CN207881331U - Thawing apparatus and refrigerator with the thawing apparatus - Google Patents

Abstract

The utility model provides a kind of thawing apparatus.Thawing apparatus includes the cylinder for defining the defrosting chamber for placing pending object, is set to defrosting chamber the device door body for picking and placeing mouth for being opened and closed defrosting chamber picked and placeed at mouth, radio frequency occur module and are set at the inner wall of defrosting chamber and the radio-frequency antenna that module is electrically connected occurs with radio frequency.Wherein radio frequency generation module is configured to when in the defrosting chamber without placing pending object, not work；When placing object to be handled in the defrosting chamber, can controllably work.The utility model in thawing apparatus in defrosting chamber without pending object (including pending object is very few) when, make radio frequency that module from service occur, avoid the generation of " sky is burnt " phenomenon, namely it is that of avoiding radio frequency and module long-time unloaded operation occurs and damages, the failure rate of thawing apparatus is reduced, and avoids the generation of undesirably energy consumption.

Description

Thawing apparatus and refrigerator with the thawing apparatus

Technical field

The utility model is related to the fields of thawing, more particularly to a kind of thawing apparatus and with the refrigerator of the thawing apparatus.

Background technology

Freezing compartment's (compartment temperature of freezing compartment is generally -18 DEG C) of general domestic refrigerator is for storing in a short time not Edible food materials, especially various meats, before the indoor food materials of freezer are deposited in user's culinary art, it usually needs by the food of freezing Material thaws to -5 DEG C or so, meat at such a temperature convenient for cutting, will not because temperature is too low and it is motionless to cut, temperature is excessively high not Meat piece or sliced meat after easily cutting and cut is shapeless.

However in the prior art, air thawing is easy to operate, but thawing time is long, and food materials surface is oxidized easily, solution Juice loss is serious after jelly；Not only time-consuming for water thawing, but also food materials surface is easy to grow bacterium, microorganism in course of defrosting Deng seriously affecting food quality；Heater strip or heating tube are thawed, and the efficiency of heating surface is relatively low and food materials temperature after thawing is uneven It is even；When defreezing by microwave oven food materials based on magnetron technology, due to being unable to control the electricity of its transmitting as the magnetron of emission source The phase of magnetic wave, directionality is poor, causes food materials internal/external heating uneven, the food materials internal-external temperature difference after thawing can be caused excessive, juice Liquid stream is lost excessively, and foodstuff quality is seriously destroyed.Consider, needs a kind of efficient and temperature of defrosting uniform in design The good thawing apparatus of property and the refrigerator with the thawing apparatus.

Utility model content

One purpose of the utility model first aspect is to provide for a kind of thawing apparatus that failure rate is low.

The utility model first aspect one is further objective is that defrosting efficiency will be improved.

One purpose of the utility model second aspect is to provide for a kind of refrigerator with the thawing apparatus.

Particularly, according to the present utility model in a first aspect, provide a kind of thawing apparatus, including：

Cylinder inside defines the defrosting chamber for placing pending object；

Device door body is set to picking and placeing at mouth for the defrosting chamber, and described mouth is picked and placeed for being opened and closed；

Module occurs for radio frequency, is configured to generate radiofrequency signal；With

Radio-frequency antenna is set at the inner wall of the defrosting chamber, and module occurs with the radio frequency and is electrically connected, with basis The radiofrequency signal generates the rf wave of corresponding frequencies in the defrosting chamber, and the defrosting chamber that thaws is indoor pending Object；The wherein described radio frequency occurs module and is configured to：

When in the defrosting chamber without placing pending object, do not work；

When placing object to be handled in the defrosting chamber, can controllably work.

Optionally, the thawing apparatus further includes：

Detection module is configured to detection and connects the incidence wave that module and the electrical wiring of the radio-frequency antenna occur for the radio frequency Signal and reflection wave signal；And

The performance number that module is configured to the reflection wave signal detected according to the detection module occurs for the radio frequency Size, controllably work.

Optionally, the radio frequency generation module is configured to：

When the performance number of the reflection wave signal is more than or equal to a preset no-load power value, do not work；

When the performance number of the reflection wave signal is less than the no-load power value, can controllably work.

Optionally, the no-load power value is the 70~90% of the performance number of presently described incidence wave signal.

Optionally, the thawing apparatus is configured to：

When in the defrosting chamber without placing pending object, sends out vision and/or audible signal is reminded described in user Thawing apparatus is unloaded.

Optionally, the radio frequency generation module is configured to：

According to preset first time interval, it is default that second is risen to be incremented by default step-length every time from the first predeterminated frequency Frequency is adjusted into line frequency, while being calculated and being recorded the corresponding rf wave absorptivity of each defrosting frequency；

Choose the maximum radio frequency wave absorptivity pair being calculated in first predeterminated frequency to second predeterminated frequency The defrosting frequency answered generates the radiofrequency signal that frequency is the optimal defrosting frequency as optimal defrosting frequency.

Optionally, the rf wave absorptivity is that the performance number of the incidence wave signal subtracts the work(of the reflection wave signal The ratio of the difference that rate is worth to and the performance number of the incidence wave signal.

Optionally, the radio frequency generation module is configured to：

At interval of preset second time interval, carries out the primary frequency and adjust.

Optionally, the thawing apparatus further includes：

Thaw switch, for controlling thaw routine start and stop；And

When the defrosting, which switchs, opens, detection device starts to detect the size of the performance number of the reflection wave signal；

When the defrosting, which switchs, closes, module from service occurs for the radio frequency.

Second aspect according to the present utility model provides a kind of refrigerator, including defines at least one storing compartment Babinet, the compartment door body for picking and placeing mouth for being opened and closed each storing compartment respectively, further include according to any description above It is indoor to be set to a storing for thawing apparatus.

The utility model in thawing apparatus in defrosting chamber without pending object (including pending object is very few) when, make radio frequency Module from service occurs, avoids the generation of " sky is burnt " phenomenon, namely is that of avoiding radio frequency and module unloaded work for a long time occurs Make and damage, reduces the failure rate of thawing apparatus, and avoid the generation of undesirably energy consumption.

Further, present inventor creatively has found, not only pending with the temperature change of pending object The dielectric coefficient of object can also change therewith, and the optimal defrosting frequency suitable for the pending object that thaws can also change.This practicality The novel optimal defrosting frequency by the determining pending object that thaws, and make radio frequency that module occur to generate frequency to be optimal defrosting frequency Radiofrequency signal come the pending object that thaws, improve defrosting efficiency, shorten thawing time, so improve user thaw just Profit.

According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more Add the above-mentioned and other purposes, advantages and features of clear the utility model.

Description of the drawings

Some specific realities of the utility model are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that The drawings are not necessarily drawn to scale.In attached drawing：

Fig. 1 is the schematic cross sectional views according to the thawing apparatus of the utility model one embodiment；

Fig. 2 is the schematic cross sectional views according to the mounting means about drawer body of the utility model one embodiment；

Fig. 3 is the schematic sectional according to the mounting means about drawer body of the utility model another embodiment Figure；

Fig. 4 is the schematic knot according to the cylinder roof for being equipped with multiple radio-frequency antennas of the utility model one embodiment Composition；

Fig. 5 is the schematic cross sectional views according to the thawing apparatus of the utility model another embodiment；

Fig. 6 is the Time-temperature change curve schematic diagram according to the pending object of the utility model one embodiment；

Fig. 7 is the schematic diagram according to the progress display area of the utility model one embodiment；

Fig. 8 is the schematic diagram according to the refrigerator of the utility model one embodiment；

Fig. 9 is the schematic diagram according to the refrigerator of the utility model another embodiment；

Figure 10 is the schematic diagram according to the refrigerator of the utility model another embodiment；

Figure 11 is the schematic knot according to the accommodation space inner wall for being provided with hinge box of the utility model one embodiment Composition；

Figure 12 is according to the schematic of the accommodation space inner wall for being provided with hinge box of the utility model another embodiment Structure chart；

Figure 13 is the flow chart according to the control method for thawing apparatus of the utility model one embodiment；

Figure 14 is the detail flowchart according to the control method for thawing apparatus of the utility model one embodiment.

Specific implementation mode

Fig. 1 is the schematic cross sectional views according to the thawing apparatus 100 of the utility model one embodiment.Referring to Fig. 1, thaw Device 100 may include that module 190 and radio-frequency antenna 130 occur for cylinder 110, device door body 120, radio frequency.Specifically, cylinder 110 Define the defrosting chamber 111 for placing pending object.Device door body 120 may be disposed at the picking and placeing at mouth of defrosting chamber 111, Mouth is picked and placeed for be opened and closed defrosting chamber 111.Radio frequency generation module 190 can be configured to generation radiofrequency signal and (refer generally to frequency to exist The radiofrequency signal of 300KHz~300GHz).Radio-frequency antenna 130 can be rectangle sheet metal.Radio-frequency antenna 130 can be by filling along thawing 100 horizontal direction or transmitting antenna and reception antenna that front-rear direction is set up in parallel composition are set, and is horizontally disposed at defrosting At the roof of chamber 111.Transmitting antenna and reception antenna can be respectively set to be electrically connected and formed with radio frequency generation module 190 same Feeder shaft, the radio frequency that the radiofrequency signal that module 190 generates generates relevant parameter in defrosting chamber 111 occurs according to radio frequency Wave, and the pending object being positioned in defrosting chamber 111 that thaws.In the present invention, radio frequency occur module 190 can be can The solid state power source of radiofrequency signal is generated, which can be precisely controlled by chip, realize frequency and/power regulation. Cylinder 110 can be made of conductive metal.

In some embodiments, cylinder 110 may include top plate and bottom plate, back plate and opposite two lateral side plates, in The defrosting chamber 111 with front openings can be defined.Device door body 120 may be disposed at the forward opening of defrosting chamber 111. Fig. 2 is the schematic cross sectional views according to the mounting means about drawer body 160 of the utility model one embodiment.Referring to figure 2, in some preferred embodiments, thawing apparatus 100 may also include the drawer body 160 with upward opening, be waited for for carrying Processed material.Drawer body 160 may be configured as to move up in the front and back of thawing apparatus 100 with device door body 120, with Pending object is picked and placeed convenient for user.120 front side of device door body is also provided with handle 123, in order to user's drawing device door body 120 and drawer.In some embodiments under the embodiment, the front end-plate of drawer body 160 may be configured as and device door body 120 It is fixedly connected.The both sides of drawer body 160 can be respectively arranged with laterally two side plate rotation connections with drawer body 160 extremely One few (one, two or more more) idler wheel 161.The side wall of the both lateral sides of defrosting chamber 111 can be distinguished It is provided with the sliding slot 116 of the front-rear direction extension along thawing apparatus 100, at least one idler wheel of 160 both lateral sides of drawer body 161, which may be configured as the sliding slot 116 along 111 both lateral sides of defrosting chamber respectively, rolls, in order to the pull of drawer body 160.Rolling The quantity of wheel 161 can be multiple, to improve the stability of the movement of drawer body 160.Fig. 3 is according to another reality of the utility model Apply the schematic cross sectional views of the mounting means about drawer body 160 of example.Referring to Fig. 3, other realities under the embodiment It applies in example, the side wall of the both lateral sides of defrosting chamber 111 can be respectively arranged with slide track component.Each slide track component may include orbit determination 117 and movable part 124.Orbit determination 117 may be configured as being fixedly connected with the side wall of 111 both lateral sides of defrosting chamber.Movable part 124 may be configured as movably being connected with orbit determination 117, and the front end of movable part 124 may be configured as fixing with device door body 120 Connection, in order to the opening and closing of device door body 120.The both lateral sides of drawer body 160 can be respectively arranged at least one clamping block 162.The movable part 124 of 111 both lateral sides of defrosting chamber can correspondingly be respectively arranged with buckling groove 124-1, drawer body 160 Can be detachably connected by the clamping of clamping block 162 and buckling groove 124-1 and movable part 124, in order to drawer body 160 Cleaning.The quantity of clamping block 162 can be it is multiple, to improve the stability that drawer door body is connect with movable part 124, in turn Improve the stability that drawer body 160 moves.In other preferred embodiments, the lower edge of device door body 120 can be arranged For be articulated with defrosting chamber 111 front openings downside peripheral region, it is dry to avoid occurring with the article around thawing apparatus 100 It relates to.May be provided in defrosting chamber 111 can be along the pallet 180 that the front-rear direction of thawing apparatus 100 moves, and pending object is anti-to be terminated in On pallet 180, in order to picking and placeing for pending object.

The quantity of radio-frequency antenna 130 can be one, may be provided on any inner wall of cylinder 110, all have preferable solution Freeze effect and lower assembly cost.Radio-frequency antenna 130 is preferably set at the roof of defrosting chamber 111, waits locating to improve Manage the uniformity of the temperature of object.The vertical central axial line of one radio-frequency antenna 130 is preferably set as being in when device door body 120 It when closed state, is overlapped with the vertical central axial line of drawer body 160 or pallet 180, further to make pending object uniform It thaws.The Aspect Ratio of radio-frequency antenna 130 can carry out design of Simulation according to the size of defrosting chamber 111.The length of radio-frequency antenna 130 Degree, which is preferably less than, is equal to 15cm, to ensure that thawing apparatus 100 has the defrosting chamber 111 of reasonable size.

The quantity of radio-frequency antenna 130 can be multiple.In some embodiments, multiple radio-frequency antennas 130 can may be contained within solving Freeze at the roof of chamber 111.Fig. 4 is the cylinder for being equipped with multiple radio-frequency antennas 130 according to the utility model one embodiment The schematic diagram of 110 roofs.Referring to Fig. 4, in some preferred embodiments, the quantity of multiple radio-frequency antennas 130 is even number It is a.Even number radio-frequency antenna 130 is set to off symmetrical and lateral in the vertical central plane of defrosting chamber 111 in the longitudinal direction Compartment of terrain arranges, the radio-frequency antenna 130 of such arrangement preferably can uniformly thaw pending object relative to other arrangement forms. Further, even number radio-frequency antenna 130 may be configured as being evenly arranged at the roof of defrosting chamber 111, so that defrosting chamber The roof of room 111 can be divided into the multiple regions of area equation, and be respectively provided in each region there are one radio-frequency antenna 130, with into Improve to one step the temperature uniformity of pending object.In further embodiments, multiple radio-frequency antennas 130 can be respectively arranged at solution Freeze at the roof of chamber 111 with one or more side-walls, is uniformly thawed with treating processed material in all directions.It is multiple When radio-frequency antenna 130 can be configured to meet defrosting beginning condition, work is started simultaneously at；When meeting defrosting termination condition, stop simultaneously Only work.

Pallet 180 or drawer body 160 can be made of ambroin, to reduce rf wave in pallet 180 or drawer body Electromagnetic consumable at 160.The bottom wall of the lower surface of pallet 180 or the lower surface and defrosting chamber 111 of the bottom plate of drawer body 160 Distance can be 5~10mm, such as 5mm, 7mm, 8mm or 10mm, with prevent drawer body 160 in the process of moving with defrosting The bottom wall of chamber 111 generates friction, and generates noise.

Fig. 5 is the schematic cross sectional views according to the thawing apparatus 100 of the utility model another embodiment.Referring to Fig. 5, In other embodiments, cylinder 110 may include bottom plate and the circumferential side plate that each circumferential edge from bottom plate extends towards vertically, The defrosting chamber 111 with upper side opening is defined in it, pending object can be prevented terminating on the bottom plate of defrosting chamber 111.Device Door body 120 can horizontally be arranged at the upside opening of defrosting chamber 111.The rear end of device door body 120 may be configured as cutting with scissors It is connected to the rear side peripheral region of the upper side opening of defrosting chamber 111, in order to picking and placeing for pending object.In some preferred embodiments In, the quantity of radio-frequency antenna 130 is multiple and is even number.Even number radio-frequency antenna 130 may be configured as being symmetrically arranged two-by-two In on the inner surface of the circumferential side plate of cylinder 110, so that pending object is more uniformly defrosted, such as radio-frequency antenna 130 Quantity is two, and two radio-frequency antennas 130 are symmetrically disposed on the both lateral sides of defrosting chamber 111 or the side wall of front and rear sides Place；The quantity of radio-frequency antenna 130 is four, and four radio-frequency antennas 130 can symmetrically be respectively arranged at defrosting chamber 111 two-by-two The side-walls of both lateral sides and the side-walls of front and rear sides.Radio-frequency antenna 130 on each of cylinder 110 circumferential direction side plate can be arranged To be symmetrical arranged about the vertical central axial line of circumferential side plate where it, to further increase the defrosting uniformity of pending object. In further embodiments, the quantity of radio-frequency antenna 130 is one.One radio-frequency antenna 130 may be disposed at defrosting chamber 111 The side-walls of arbitrary side.Each radio-frequency antenna 130 may be disposed at 1/3~3/7 height of defrosting chamber 111, such as 1/3, 2/5 or 3/7, to improve the defrosting efficiency of pending object.Pallet 180 is may be provided in defrosting chamber 111, in order to be filled to thawing 100 are set to be cleaned.When multiple radio-frequency antennas 130 can be configured to meet defrosting beginning condition, work is started simultaneously at；Meet and thaws When termination condition, it is simultaneously stopped work.

In some preferred embodiments, cylinder 110 has each lateral edge for picking and placeing mouth from its defrosting chamber 111, , perpendicular to the direction of the central axial line for picking and placeing mouth of defrosting chamber 111, it is parallel to defrosting chamber 111 towards away from thawing apparatus 100 The flange 112 for picking and placeing mouth extension, to increase the contact area of cylinder 110 and device door body 120, raising thawing apparatus 100 Seal.The surface of flange 112 towards device door body 120 may be provided with elastic conduction ring 113, and device door body 120 is towards cylinder The surface of body 110 can correspondingly offer annular groove 121 so that elastic conduction ring 113 when device door body 120 is closed with Annular groove 121 coordinates and crimp occurs, and is fitted closely with device door body 120, further increases the close of thawing apparatus 100 Closing property.The cross section of elastic conduction ring 113 can be rectangle or bad arch or semicircle.

Device door body 120 may be provided with conductive metal mesh 122, and conductive metal mesh 122 may be configured as and elastic conduction ring 113 conductive contacts are enclosed, when device door body 120 is closed, to reduce the outside magnetic dispersion amount of thawing apparatus 100.Device door body 120 It can be made of clear material, such as plastics or glass etc., to improve the aesthetics of thawing apparatus 100, and can be user intuitively Observation is positioned over the state of the pending object in defrosting chamber 111.In some embodiments, conductive metal mesh 122 may be disposed at Device door body 120 is set as and 113 conductive contact of elastic conduction ring towards the surface of cylinder 110.In other embodiments In, conductive metal mesh 122 may be disposed in device door body 120, and be arranged through annular groove 121 and elastic conduction ring 113 conductive contacts.In the illustrated embodiment, the cross section of elastic conduction ring 113 is bad arch, the thickness of conductive metal mesh 122 Central axis on degree direction is set as tangent with the arcwall face of annular groove 121, so that conductive metal mesh 122 and elastic conduction 113 conductive contact of ring.

Thawing apparatus 100 may also include at least one locking device 150 for locking cylinder 110 and device door body 120. Each locking device 150 includes the first actuation portion and the second actuation portion.First actuation portion may be disposed at flange 112 towards device gate The surface of body 120.Second actuation portion may be disposed at the surface towards cylinder 110 of device door body 120, and the second actuation portion is arranged For that can be contacted with the first actuation portion when device door body 120 is closed.Thawing apparatus 100 can be made by being powered to the first actuation portion It is attracted the second actuation portion, and then locks cylinder 110 and device door body 120.In some preferred embodiments, locking device 150 Quantity be it is multiple, and about thawing apparatus 100 perpendicular to defrosting chamber 111 the central axial line for picking and placeing mouth be symmetrical arranged, with Improve the stability of locking cylinder 110 and device door body 120.Locking device 150 may be disposed at the outer of elastic conduction ring 113 Side, the i.e. side far from the central axial line for picking and placeing mouth perpendicular to defrosting chamber 111, to further increase locking 110 He of cylinder The stability of device door body 120.Locking device 150 can be configured to when radio frequency generation module 190 is in running order, lock cylinder Body 110 and device door body 120, to improve the safety of thawing apparatus 100；It is in off working state when module 190 occurs for radio frequency When, it does not work, so that device door body 120 can be opened controllably.

In some preferred embodiments, thawing apparatus 100 may also include protective shell 131 and insulation shell 170.Protective shell 131 Be securable on the inner wall of defrosting chamber 111, and be set as covering at outside radio-frequency antenna 130, with prevent radio-frequency antenna 130 because with It accidentally touches and damages in family.Each installation surface for being provided with radio-frequency antenna 130 is respectively provided with that there are one protective shells 131, and will be set to All radio-frequency antennas 130 in the installation surface are located in it.Protective shell 131 may include the peripheral edge of substrate and self-reference substrate The circumferential baffle that edge is extended in the same direction perpendicular to substrate.The substrate of protective shell 131 may be configured as being parallel to the extension of radio-frequency antenna 130, To reduce electromagnetic consumable of the rf wave of the generation of radio-frequency antenna 130 at protective shell 131.Substrate can be rectangular or round.Protection Shell 131 can be made of nontransparent material, see the radio-frequency antenna 130 in protective shell 131 to avoid user, reduce thawing apparatus 100 aesthetics.At the roof that radio-frequency antenna 130 is set to defrosting chamber 111 and thawing apparatus 100 includes drawer body In 160 embodiment, the projection of protective shell 131 backward can be located at the top of drawer body 160, to prevent in drawer body 160 Motion process in, interfered with protective shell 131.Insulation shell 170 may be configured as covering at the outside of cylinder 110, to improve The safety of thawing apparatus 100 and aesthetics.In some embodiments, radio frequency occur module 190 may be disposed at insulation shell 170 with Between cylinder 110.In further embodiments, radio frequency generation module 190 may be disposed at outside insulation shell 170.Protective shell 131 and absolutely Edge shell 170 can be made of engineering plastics such as nonconducting PC, ABS, PP.

In some preferred embodiments, radio frequency generation module 190 can be configured to determine to thaw and be positioned in defrosting chamber 111 Pending object optimal defrosting frequency, and generate frequency be optimal defrosting frequency radiofrequency signal.Radio-frequency antenna 130 is according to penetrating The radiofrequency signal that the raw module 190 that takes place frequently generates generates the rf wave of corresponding frequencies in defrosting chamber 111, and it is pending to thaw Object.

Present inventor creatively has found, with the temperature change of pending object, the not only dielectric of pending object Coefficient can also change therewith, and the optimal defrosting frequency suitable for the pending object that thaws can also change.The utility model passes through It determines the optimal defrosting frequency for the pending object that thaws, and makes radio frequency that module 190 occur to generate frequency to be penetrating for optimal defrosting frequency Frequency signal improves defrosting efficiency come the pending object that thaws, and shortens thawing time, and then improves the facility of user's defrosting Property.

Radio frequency occurs module 190 and can be configured to according to preset first time interval, to be incremented by default step-length every time from the One predeterminated frequency rises to the second predeterminated frequency, while calculating and recording the corresponding rf wave absorptivity of each defrosting frequency.When When frequency increments to the second predeterminated frequency for the radiofrequency signal that module 190 generates occurs for radio frequency, the first predeterminated frequency is chosen to the The corresponding defrosting frequency of maximum radio frequency wave absorptivity being calculated in two predeterminated frequencies is as optimal defrosting frequency, to being positioned over Pending object in defrosting chamber 111 thaws.When maximum radio frequency wave absorptivity corresponds to multiple (two or more) solutions When freezing frequency, the defrosting frequency of selecting frequency minimum is as optimal defrosting frequency, to reduce energy consumption.In this embodiment, first Time interval can be 1~3ms, such as 1ms, 2ms or 3ms.In some preferred embodiments, in the mistake for determining optimal defrosting frequency Cheng Zhong, radio frequency occur module 190 and can be configured to after adjusting defrosting frequency first time interval every time, calculated and record this The corresponding rf wave absorptivity of defrosting frequency, to prevent the time too short result being calculated inaccurate, overlong time is missed most Excellent defrosting frequency.Default step-length can be 0.5~2KHz, such as 0.5KHz, 1KHz, 1.5KHz or 2KHz, to improve optimal defrosting The accuracy of frequency.First predeterminated frequency can be 432.7~432.9MHz, such as 432.7MHz, 432.8MHz or 432.9MHz. Second predeterminated frequency can be 433.1~433.3MHz, such as 433.1MHz, 433.2MHz or 433.3MHz.It is preferred real at some It applies in example, the first predeterminated frequency can be 432.8MHz, and the second predeterminated frequency can be 433.2MHz.

Present inventor obtains through many experiments, and the frequency that the radiofrequency signal that module 190 generates occurs for radio frequency is made to exist One of 433MHz or so, which is adjusted in section, to change, and is not only remarkably improved defrosting efficiency, but also the juice loss of pending object Rate is low, and penetration capacity is strong.Test indicate that the jelly ox for -18 DEG C of the 500g that thawed using the thawing apparatus 100 of the utility model Meat makes its temperature rise to -3 DEG C, it is only necessary to and 12~15 minutes, and the inside and outside temperature difference of beef is less than 3 DEG C, has shorter solution Freeze time and higher temperature uniformity.

In a further preferred embodiment, radio frequency generation module 190 can be configured at interval of preset second time Interval carries out a secondary frequencies adjusting.It that is to say, module 190 occurs for radio frequency in the previous adjusting that adjacent twice frequency is adjusted, really Fixed thaw is positioned over the optimal defrosting frequency of the pending object in defrosting chamber 111, and again with when secondary optimal defrosting frequency solution After freezing the second time interval of pending object, secondary frequencies adjust and redefine defrosting and are positioned in defrosting chamber 111 after progress The optimal defrosting frequency of pending object, and so on, it is solved in entire course of defrosting, targetedly treating processed material Freeze, improves the defrosting efficiency of pending object.Second time interval can be 20~40 seconds, such as 30 seconds 20 seconds or 40 seconds, to prevent Only since the time interval between adjacent twice frequency is adjusted is too short, cause frequency to adjust too frequent, determines for rear time optimal Defrosting frequency and the optimal defrosting frequency phase-difference of previous determination are too small even without variation, reduce defrosting efficiency instead, make solution Freeze effect to be deteriorated；Time interval is long, misses the optimal defrosting frequency for the pending object that thaws.

Thawing apparatus 100 may also include detection module (not shown).Detection module can be configured to detection connection radio frequency The incidence wave signal and reflection wave signal of module 190 and the electrical wiring of radio-frequency antenna 130 occurs.And can according to incidence wave signal and The performance number of reflection wave signal calculates the rf wave absorptivity of pending object.Rf wave absorptivity can be the work(of incidence wave signal Rate value subtracts the ratio of difference and the performance number of incidence wave signal that the power of reflection wave signal is worth to.In some embodiments In, the performance number of incidence wave signal is a predetermined power value.In this embodiment, optimal defrosting frequency can be by reflection wave signal Performance number determines that the corresponding defrosting frequency of minimal reflection wave power value is optimal defrosting frequency.Predetermined power value can be 150~ 200W, such as 150W, 170W, 190W or 200W.Predetermined power value is most preferably 180W, using the power and coordinates solution above-mentioned Freeze control method, it can be while energy saving so that the thawing apparatus 100 of the utility model has higher defrosting efficiency.

In some preferred embodiments, radio frequency occurs when module 190 can be configured in defrosting chamber 111 without pending object not Work.Specifically, module 190 can occur according to connection radio frequency for detection module and the back wave of the electrical wiring of radio-frequency antenna 130 is believed Number performance number judge in defrosting chamber 111 without pending object.When the performance number for the reflection wave signal that detection module detects is big When equal to a preset no-load power value, radio frequency occurs module 190 and is stopped；When the back wave letter that detection module detects Number performance number be less than preset no-load power value when, radio frequency occur module 190 work on.Thawing apparatus 100 can be configured to When the performance number for the reflection wave signal that detection module detects be more than or equal to preset no-load power value when, send out vision and/or Audible signal reminds user unloaded.No-load power value can be current incidence wave signal performance number 70~90%, such as 70%, 80% or 90%.When the utility model is by defrosting chamber 111 without pending object (including pending object is very few), reminds and use Family is unloaded, and makes radio frequency that module 190 occur and be stopped, and avoids the generation of " sky is burnt " phenomenon, namely be that of avoiding radio frequency hair It gives birth to 190 long-time unloaded operation of module and damages, reduce the failure rate of thawing apparatus 100, and avoid undesirably energy consumption Generation.

Thawing apparatus 100 may also include at least one temperature sensor 140, for sensing the air in defrosting chamber 111 The surface temperature of temperature and/or pending object.Temperature sensor 140 can be configured to sense primary defrosting chamber 111 in every 2~4 seconds The surface temperature of interior air themperature and/or pending object, such as 2 seconds, 3 seconds or 4 seconds.Radio frequency occurs module 190 and can be configured to When the surface temperature for the pending object that temperature sensor 140 senses is more than or equal to a preset target temperature, it is stopped, After the completion of pending object thaws, to realize automatic termination thaw routine, is manually controlled without user, improve the facility of user Property；When the air themperature in the defrosting chamber 111 that temperature sensor 140 senses is more than or equal to a preset Faulty Temperature, It is stopped, when thawing apparatus 100 breaks down, to terminate thaw routine in time, avoid undesirable safety accident Occur.Air themperature when the surface temperature of pending object is more than or equal to a preset target temperature and in defrosting chamber 111 When more than or equal to a preset Faulty Temperature, thawing apparatus 100 can send out different visual signals and/or audible signal respectively (such as the tinkle of bells of the indicator light of different colours and/or different rhythm), prompts user's defrosting completion or thawing apparatus 100 event occur Barrier.Temperature sensor 140 may be disposed in protective shell 131, to prevent temperature sensor 140 from being damaged because accidentally touching.In some realities It applies in example, the quantity of temperature sensor 140 can be multiple.The surface temperature of pending object and/or the air in defrosting chamber 111 Temperature can be the average value for the temperature value that multiple temperature sensors 140 sense.In some preferred embodiments, it is each equipped with The installation surface of radio-frequency antenna 130 may be provided at least one temperature sensor 140, to improve the sky in defrosting chamber 111 The accuracy of the surface temperature of temperature degree and/or pending object.In some further preferred embodiments, each installation surface On the quantity of temperature sensor 140 be multiple, and multiple temperature sensors 140 are evenly arranged in the installation surface so that Each installation surface is divided into the multiple regions of area equation, and is respectively provided in each region there are one temperature sensor 140, to protect Demonstrate,proving any position that pending object is positioned over defrosting chamber 111 can have temperature sensor 140 to sense its surface temperature value, and Further increase the accuracy of the surface temperature of the air themperature and/or pending object in defrosting chamber 111.With protective shell 131 Substrate be rectangular, for the quantity of radio-frequency antenna 130 is 4 and may be contained on the roof of defrosting chamber 111, temperature sensing The quantity of device 140 can be 5, wherein 1 temperature sensor 140 may be disposed at the vertical central axial line of protective shell 131, another 4 A sensor can be respectively arranged at 4 corners of protective shell 131.In the present invention, target temperature can be -3~-1 DEG C, Such as -3 DEG C, -2 DEG C or -1 DEG C.Faulty Temperature can be 0~4 DEG C, such as 0 DEG C, 2 DEG C or 4 DEG C.

In some preferred embodiments, radio frequency generation module 190 can be configured to sense twice when temperature sensor 140 is adjacent When the difference of the surface temperature of the pending object arrived is less than or equal to a preset minimum temperature difference, the default liter of its operating power one is improved Width, default increasing degree can be the 2~8% of current operating power, such as 2%, 4%, 6% or 8%；When temperature sensor 140 is adjacent When the difference of the surface temperature of the pending object sensed twice is more than or equal to a preset highest temperature difference, its operating power is reduced The one default range of decrease, the default range of decrease can be the 2~8% of current operating power, such as 2%, 4%, 6% or 8%, pending to ensure Object is uniformly thawed.In the present invention, the minimum temperature difference can be 0.02~0.04 DEG C, such as 0.02 DEG C, 0.03 DEG C or 0.04 ℃.The highest temperature difference can be 0.06~0.08 DEG C, such as 0.06 DEG C, 0.07 DEG C or 0.08 DEG C.

A kind of refrigerator 200 can also be provided in thawing apparatus 100 based on aforementioned any embodiment, the utility model.Fig. 2 is root According to the schematic side elevation of the refrigerator 200 of the utility model one embodiment.Referring to Fig. 2, refrigerator 200 may include limiting in general manner Surely the babinet that has at least one storing compartment, the compartment door body for picking and placeing mouth for being opened and closed each storing compartment respectively, Yi Jishe It is placed in the thawing apparatus 100 of a storing compartment.In the illustrated embodiment, the quantity of thawing apparatus 100 is one.Refrigerator 200 The quantity of storing compartment can be three, respectively refrigerator room 211, alternating temperature compartment 212 and freezing compartment 213, and respectively Refrigeration door body 221, alternating temperature door body 222 and door of refrigerator for being opened and closed refrigerator room 211, alternating temperature compartment 212 and freezing compartment 213 Body 223.To optimize the storage space of refrigerator 200, refrigerator room 211 and freezing compartment 213 are usually by partition board and/or drawer separation For the accommodation space of multiple refinements.

In addition, also explicable be, knownly, refrigerator room 211 refers to the preservation to food materials to those skilled in the art The storing compartment that temperature is 0~+8 DEG C；Freezing compartment 213 refer to be -20~-15 DEG C of storing between the preservation temperature of food materials Room；Alternating temperature compartment 212 refer to can to a wide range (such as adjusting range can at 4 DEG C or more, and be adjustable to 0 DEG C or more or 0 DEG C with Under) change the storing compartment of its preservation temperature, its general preservation temperature may span across refrigeration, soft freezing (being generally -4~0 DEG C) and Cryogenic temperature, preferably -18~+5 DEG C.

Thawing apparatus 100 further includes switching (not shown) for controlling the defrosting of thaw routine start and stop, and radio frequency occurs Module 190 is configured to when the switch that thaws is opened, line frequency adjusting of going forward side by side of starting to work；When the switch that thaws is closed, stop work Make.In some preferred embodiments, the switch that thaws may be disposed in the compartment door body of refrigerator 200, thaw in order to which user is adjusted Switch.In the operation interface for switching the operation panel for being preferably provided at refrigeration door body 221 of thawing, opened in order to which user adjusts to thaw It closes.In further embodiments, the switch that thaws may be provided in device door body 120.

In some preferred embodiments, progress display area 250 is may be provided in the compartment door body of refrigerator 200, with display The defrosting progress of pending object, and then improve the convenience of user.Progress display area 250 may be configured as being worked as according to pending object Preceding surface temperature value and preset target temperature value show the defrosting progress of pending object.

Fig. 6 is the Time-temperature change curve schematic diagram according to the pending object of the utility model one embodiment (in figure Abscissa is the thawing time t of pending object, and ordinate is the surface temperature Td of pending object).Referring to Fig. 6, thawing apparatus 100 It further include the measuring device (not shown) of the preset parameter for measuring pending object.Preset parameter may include pending object Weight, and/or volume, and/or maximum gauge value.Measuring device may include gravity sensor, and/or infrared sensor.Solution The corresponding Time-temperature change curve of pending object can be matched according to the preset parameter of pending object by freezing device 100.When m- temperature Degree change curve can be carried out thawing testing by the pending object to different weight, and/or volume, and/or maximum gauge value and be obtained , and multiple Time-temperature change curves and its corresponding preset parameter are arranged to the control chip in thawing apparatus 100 in advance In.Fig. 7 is the schematic diagram according to the progress display area 250 of the utility model one embodiment.Referring to Fig. 7, progress viewing area Domain 250 may include the first numeric area 251 of the remaining thawing time for showing pending object, for showing pending object The second numeric area 252 of defrosting total time and the progress display item 253 that progressive can change dispaly state.Diagram embodiment In, total time of thawing is 15 minutes, and remaining thawing time is 30 seconds 5 minutes.

Specifically, the remaining thawing time of pending object can be according to the surface temperature and target temperature of currently pending object Degree, is calculated in conjunction with corresponding Time-temperature change curve.The remaining thawing time of pending object can be when corresponding On m- temperature variation curve, surface temperature corresponding time that the corresponding time numerical value of target temperature subtracts currently pending object The difference that numerical value obtains.First numeric area 251 is configured to after determining the remaining thawing time of currently pending object, in meter When show the real-time remaining thawing time of pending object.After temperature sensor 140 senses the surface temperature of pending object every time, weight The remaining thawing time of pending object is newly calculated, i.e. the remaining thawing time of the first numeric area 251 display is in temperature sensor 140 sense the surface temperature of pending object every time after corrected, with improve its display remaining thawing time accuracy.Solution Freeze the surface temperature and target temperature that total time can be the pending object sensed according to 140 first time of temperature sensor, knot Corresponding Time-temperature change curve is closed to be calculated.Progress shows that item 253 is in the length and progress of the part of dispaly state Show that the ratio of the length of item 253 is the ratio for thawing and subtracting difference and total time of thawing that remaining thawing time obtains total time Value.In the present invention, it can be by dark extremely bright that progress, which shows that item 253 changes dispaly state,.Progress display area 250 is configurable When user opens and thaws switch, to start the defrosting progress for showing pending object；When user, which closes, thaws switch, stop work Make.

The backward side plate of cylinder 110 can offer device air inlet 114 and device air outlet 115 respectively, be filled so as to thaw The air set outside 100 is entered to via device air inlet 114 in defrosting chamber 111, and make air in defrosting chamber 111 via Device air outlet 115 is expelled to outside thawing apparatus 100, and then thawing apparatus 100 can be made when not receiving defrosting instruction, is thawed Chamber 111 can be used to place food materials, and the storage space in refrigerator 200 is made to be fully utilized.Device air inlet 114 and device Air outlet 115 can be respectively arranged with conductive metal mesh 122, to reduce the outside magnetic dispersion amount of thawing apparatus 100.

In some embodiments, the thawing apparatus 100 for including the defrosting chamber 111 with front openings may be disposed at refrigerator In 200 any accommodation space, for example, take on the bottom wall for being put in accommodation space or be fastened in accommodation space roof or bottom wall it Between.Fig. 8 is the schematic diagram according to the refrigerator 200 of the utility model one embodiment；Fig. 9 is another according to the utility model The schematic diagram of the refrigerator 200 of one embodiment.Referring to Fig. 8 and Fig. 9, it is provided with the accommodation space pair of thawing apparatus 100 The compartment door body (defrosting compartment door body) answered may be configured as the peripheral region for picking and placeing mouth for being pivotally secured to the accommodation space, example Such as upside peripheral region, right side peripheral region or downside peripheral region.(when thawing apparatus 100 is set to refrigerator room 211 or freezer When room 213, the quantity for being provided with the corresponding compartment door body of storing compartment of thawing apparatus 100 can be multiple, be respectively used to be opened and closed It is provided with the accommodation space of thawing apparatus 100 and other accommodation spaces that the storing is indoor.) in some preferred embodiments, Defrosting compartment door body may be configured as the downside peripheral region for picking and placeing mouth for being pivotally secured to the accommodation space, in order to which user beats The device door body 120 for opening thawing apparatus 100, picks and places pending object.In this embodiment, it is provided with the receiving of thawing apparatus 100 Lock is may be provided between space and defrosting compartment door body, to lock the accommodation space and defrosting compartment door body.Lock may include Elastic portion and block tongue portion.Elastic portion may be configured as one end and is fixedly connected with the upside peripheral region for picking and placeing mouth of accommodation space, and edge The vertical direction of refrigerator 200 tilts upward extension.Block tongue portion is set to the upside periphery for picking and placeing mouth of elastic portion and accommodation space The side that place is fixedly connected, and be set as extending along the direction towards defrosting compartment door body.Correspondingly, defrosting compartment door body can be opened Equipped with blocked hole, block tongue portion may be configured as being fastened in blocked hole, will be provided with accommodation space and the defrosting of thawing apparatus 100 Compartment door body locks.Lock may also include operation portion, be set as running through defrosting compartment door body along the front-rear direction of refrigerator 200, and Extend to the front side of defrosting compartment door body.Operation portion is configured to move reciprocatingly along the front-rear direction of refrigerator 200, and it is backward End set is to be contacted with elastic portion, to adjust elastic portion.It, can when user wants that opening defrosting compartment door body picks and places pending object By pressing the one end for picking and placeing mouth of elastic portion far from the accommodation space, defrosting compartment door body is opened, defrosting compartment door body can be It is downwardly turned under the effect of the elastic force of self gravitation effect and elastic portion, is opened manually without user, improve the facility of user Property.Lock can also be the elastic lock of the achievable accommodation space of other forms and the locking of defrosting compartment door body.Defrosting compartment The lower face of door body is more than or equal to the preceding table of defrosting compartment door body with the distance between the upper surface of compartment door body under it The vertical range in face and its pivot axis, with the compartment door body for preventing thawing room room door body during rotation and under it It interferes.In some preferred embodiments, nothing between 214 wall of liner of the both lateral sides of thawing apparatus 100 and storing compartment Gap, to form independent defrosting compartment in refrigerator 200 come the pending object that thaws, in other words, this layer of accommodation space is only used In placement thawing apparatus 100.

It the backward side plate of cylinder 110 and is provided with the rear wall of storing compartment of thawing apparatus 100 there are gap, in order to solve Freeze the gas exchanges of the air in chamber 111 and the air in the accommodation space where it.When refrigerator 200 is direct cooling refrigerator 200 When, the rear wall of storing compartment is the rear wall of its liner 214；When refrigerator 200 is wind cooling refrigerator 200, the rear wall of storing compartment is The front surface of its interior air duct cover board.In some preferred embodiments, the backward side plate of cylinder 110 and it is provided with thawing apparatus 100 Storing compartment rear wall between gap can be 10~30mm, such as 10mm, 20mm or 30mm, to ensure thawing apparatus 100 while have intake appropriate and air output, ensures that defrosting chamber 111 has larger dischargeable capacity.Device is entered the wind Mouthfuls 114 may be disposed at the top of the lateral side of cylinder 110, device air outlet 115 may be disposed at the separate device of cylinder 110 into The lower part of the lateral side in air port 114, to improve the heat exchange efficiency of the air outside thawing apparatus 100 and in defrosting chamber 111. In the embodiment of thawing apparatus 100 including drawer body 160, the projection of drawer body 160 backward be located at device air inlet 114 it Under, to be further ensured that thawing apparatus 100 has enough intakes.

Figure 10 is the schematic diagram according to the refrigerator 200 of the utility model another embodiment.Referring to Figure 10, another In some embodiments, the storage drawer 260 with upward opening is both provided in alternating temperature compartment 212 and freezing compartment 213, and every The front side end plate of a storage drawer 260 is set as being fixedly connected with positioned at its front side compartment door body.Each storage drawer 260 can lead to It crosses and is set to the slide track component of its both lateral sides and is connect with 214 side walls of liner of the both lateral sides of storing compartment.Including tool There is the thawing apparatus 100 of the defrosting chamber 111 of upper side opening to may be disposed at the storing in alternating temperature compartment 212 or freezing compartment 213 In drawer 260.There are gaps for the rear side inner wall of the backward side plate of cylinder 110 and the storage drawer 260 where it, in order to thaw The gas exchanges of air and the air in the storage drawer 260 where it in chamber 111.In some preferred embodiments, cylinder Gap between the backward side plate of body 110 and the rear side inner wall of the storage drawer 260 where it can be more than or equal to 10mm, such as between Gap is 10mm, 20mm or 30mm, to ensure that thawing apparatus 100 has intake appropriate and air output.Thawing apparatus 100 erects Straight downward projection can be 30~50% of storage drawer 260 where it, other spaces in the storage drawer 260 can be used as just Normal alternating temperature compartment 212 or freezing compartment 213 use.

In some preferred embodiments, thawing apparatus 100 may be disposed in the alternating temperature compartment 212 of refrigerator 200, compared to general Thawing apparatus 100 is arranged in other compartments, smaller on the influence of the temperature of the storage space outside indoor place's thawing apparatus 100, and Since the preservation temperature of alternating temperature compartment 212 is adjustable, the temperature in defrosting chamber 111 can be adjusted according to the different use demands of user Degree, improves the convenience of user.The refrigeration system of refrigerator 200 can be configured to when the switch that thaws is opened, by alternating temperature compartment 212 Preservation temperature be adjusted to the target temperature of preset pending object, caused to avoid to the pending object that thaws of thawing apparatus 100 It influences, and improves the defrosting efficiency of pending object；After the completion of the defrosting of pending object, from defrosting chamber in a scheduled time threshold value When being taken out in room 111, the former refrigerant sequence of refrigerator 200 is run；After the completion of the defrosting of pending object, not out of defrosting chamber 111 When the time of taking-up is more than or equal to scheduled time threshold value, the preservation temperature of alternating temperature compartment 212 is adjusted to working as freezing compartment 213 Preceding preservation temperature.It that is to say, when the time that pending object does not take out out of defrosting chamber 111 is less than scheduled time threshold value, solution The temperature frozen in chamber 111 remains the target temperature of pending object, and pending object is made to be constantly within this time Thawed state, in order to which user uses pending object；The time that pending object does not take out out of defrosting chamber 111 is more than or equal to pre- If when time threshold, the preservation temperature of alternating temperature compartment 212 is adjusted to the current preservation temperature of freezing compartment 213 by refrigeration system Degree, pending object is freezed again, to ensure the quality of pending object.

In other preferred embodiments, thawing apparatus 100 may be disposed in the freezing compartment 213 of refrigerator 200, Yong Huqu Other compartment door body need not be opened by going out and putting back to pending object, improve the convenience that user picks and places pending object.Refrigerator 200 Refrigeration system can be configured to, when the switch that thaws is opened, stop providing cold for freezing compartment 213, to avoid to thawing apparatus The 100 pending objects of defrosting impact；After the completion of the defrosting of pending object, from defrosting chamber 111 in a scheduled time threshold value When interior taking-up, the former refrigerant sequence of refrigerator 200 is run；After the completion of the defrosting of pending object, do not taken out out of defrosting chamber 111 When time is more than or equal to scheduled time threshold value, cold is provided for freezing compartment 213.It that is to say, pending object is not from defrosting chamber It is temperature-resistant in defrosting chamber 111 when the time taken out in 111 is less than scheduled time threshold value, make pending object at this section It is interior to be constantly in thawed state, in order to which user uses pending object；Pending object taken out not out of defrosting chamber 111 when Between be more than or equal to preset time threshold when, refrigeration system be freezing compartment 213 cold is provided, pending object is freezed again, with Ensure the quality of pending object.

In some embodiments, after user opens and thaws switch, the operation interface of refrigerator 200 can pop up selection input solution Freeze the time started or immediately begins to the dialog box thawed.User can select to immediately begin to thaw or input according to use demand to thaw Time started, if user's selection immediately begins to thaw, radio frequency occurs module 190 and commences work without delay, and thaw pending object；If User selects input to thaw the time started, then radio frequency generation module 190 is opened when current time is the preset defrosting time started Beginning work makes user that can neatly select thawing time, improves the convenience of user.In the present invention, ice can be passed through The time that the pending object of timer record in case 200 does not take out out of defrosting chamber 111 after the completion of thawing.Scheduled time threshold value Can be 15~25min, such as 15min, 20min or 25min.

In some preferred embodiments, foaming layer and the postnotum that module 190 may be disposed at 200 babinet of refrigerator occur for radio frequency Between 215, in order to which the repair of module 190 occurs for radio frequency.Refrigerator 200 may also include for being 100 all parts of thawing apparatus The power supply module 240 of (such as module 190, detection module, locking device 150 etc. occur for radio frequency) power supply.In some embodiments, With radio frequency the hair that module 190 is juxtaposed on 200 babinet of refrigerator on the horizontal direction of refrigerator 200 can occur for power supply module 240 Between alveolar layer and postnotum 215, in order to which with radio frequency being electrically connected for module 190 occurs for power supply module 240.In other embodiments In, power supply module 240 may be disposed in the compressor room 230 of refrigerator 200, in order to the heat dissipation and repair of power supply module 240.Inspection Surveying module can be set along with radio frequency generation module 190 between the foaming layer and postnotum 215 of 200 babinet of refrigerator.

In some preferred embodiments, radio-frequency antenna 130 is set as the electrical wiring by smoothly extending and radio frequency generation mould Block 190 is electrically connected, to reduce electromagnetic consumable of the rf wave at the electrical wiring.It connects radio-frequency antenna 130 and module occurs with radio frequency 190 electrical wiring can be made of copper core and the insulating materials being coated on the outside of copper core.The insulating materials being coated on the outside of copper core is excellent It is selected as PTFE (polytetrafluoroethylplastic plastic), with lower dielectric constant and dielectric loss, and is still had at low ambient temperatures Preferable mechanical tenacity, and then while ensureing the service life of electrical wiring, reduce electromagnetic consumable.When radio-frequency antenna 130 is flat Row can use right angle adapter when connecting its electrical wiring with radio frequency generation module 190 in the installation place of the radio-frequency antenna 130 132, and right angle adapter 132 is occurred with radio frequency by module 190 by electrical wiring and is electrically connected, to avoid connection radio-frequency antenna 130 The electrical wiring right angle that module 190 occurs with radio frequency is bent, and radiofrequency signal is caused to lose.

It is set to the embodiment in the storage drawer 260 in alternating temperature compartment 212 or freezing compartment 213 in thawing apparatus 100 In, radio-frequency antenna 130 may be disposed at defrosting chamber 111 on the side wall of the circumferential side plate of storage drawer 260, in order to radio frequency With radio frequency being electrically connected for module 190 occurs for antenna 130.In some preferred embodiments, refrigerator 200 may also include hinge box 270, Be fixed in the lateral sidewalls for the accommodation space for being provided with thawing apparatus 100, inside be formed with for accommodating connection radio frequency day The accommodating space of the electrical wiring of module 190 occurs for line 130 and radio frequency, to avoid thawing apparatus 100 with storage drawer 260 together When the front and back of refrigerator 200 move upwards, the electrical wiring that module 190 occurs with radio frequency for connection radio-frequency antenna 130 is pullled Or squeeze and damage, and then influence the transmission of radiofrequency signal.Hinge box 270 can offer line inlet port 271 and line outlet respectively 272, the electrical wiring of connection radio-frequency antenna 130 may be configured as being introduced to inside hinge box 270 from line inlet port 271, and from line outlet 272 extractions occur module 190 with radio frequency and are electrically connected.Storing where hinge box 270 is preferably disposed on connection thawing apparatus 100 is taken out The lower section of the slide track component of drawer 260, not only can hidden hinge box 270, improve refrigerator 200 aesthetics, can also be convenient for connection penetrate The export of the electrical wiring of frequency antenna 130.

Figure 11 is according to the schematic of the accommodation space inner wall for being provided with hinge box 270 of the utility model one embodiment Structure chart.Referring to Figure 11, in some embodiments, the electrical wiring being set in hinge box 270 can in the shape of a spiral, in the dress that thaws Stretcher strain when storage drawer 260 where setting 100 pulls out forward, the compressive deformation when storage drawer 260 is urged rearwardly into prevent Electrical wiring is damaged.It may be provided with a guiding axis 273 extended along the front-rear direction of refrigerator 200 in hinge box 270, be set to hinge Electrical wiring in box 270 may be configured as extending spirally around guiding axis 273, and electrical wiring is limited to only can be before refrigerator 200 Rear direction stretches or compressive deformation.Hinge box 270 can be cylindrical shell, be further limited to electrical wiring only can be along refrigerator 200 front-rear direction stretches or compressive deformation.The line inlet port 271 of hinge box 270 may be disposed on the peripheral wall of hinge box 270, and It may be configured as extending along the front-rear direction of refrigerator 200, to improve electrical wiring compressive deformation when storage drawer 260 is urged rearwardly into Smoothness.The length of line inlet port 271 can be the maximum distance that storage drawer 260 is moved in 200 front-rear direction of refrigerator.Hinge box 270 line outlet 272 can be opened on end plate thereafter.The radius of spin of electrical wiring when in maximum compressive state can For 4~6mm, such as 4mm, 5mm or 6mm.

Figure 12 is the signal according to the accommodation space inner wall for being provided with hinge box 270 of the utility model another embodiment Property structure chart.Referring to Figure 12, in further embodiments, hinge box 270 can be at flat.It is set in hinge box 270 and adjacent The part electrical wiring of nearly line outlet 272 may be configured as being fixedly connected with hinge box 270, be electrically connected with 270 fixed part of hinge box Electrical wiring between line and radio-frequency antenna 130 may be configured as line inlet port 271 of the pull-out with storage drawer 260 from hinge box 270 It pulls out, the accommodating space entered from the line inlet port 271 of hinge box 270 in hinge box 270 is pushed back with storage drawer 260.Enter line Mouth 271 and line outlet 272 can be opened in the side plate of the front and rear sides of hinge box 270 respectively, in order to radio-frequency antenna 130 and radio frequency The electrical connection of module 190 occurs.In hinge box 270 arc can be respectively arranged at the position of neighbouring line inlet port 271 and line outlet 272 Shape guide groove 274.The part electrical wiring being set in hinge box 270 may be configured as and the arc guide barrel positioned at neighbouring line outlet 272 274 are fixedly connected.Electrical wiring between radio-frequency antenna 130 and the arc guide barrel 274 of neighbouring line outlet 272 may be configured as arcuately Guide groove 274 slides, and electromagnetic consumable is generated to avoid because electrical wiring is bent.The center line of the extending direction of arc guide barrel 274 Radius can be 6~10mm, such as 6mm, 8mm or 10mm.Line inlet port 271 and line outlet 272 are preferably positioned at the upper of hinge box 270 Portion, to be further convenient for the export of the electrical wiring of connection radio-frequency antenna 130.

Figure 13 is the flow chart according to the control method for thawing apparatus 100 of the utility model one embodiment.Ginseng See that Figure 13, the defreezing method for thawing apparatus 100 of the utility model may include steps of：

Step S1302：Judge object to be handled whether is placed in defrosting chamber 111, if so, executing step S1304；If It is no, execute step S1306.

Step S1304：Module 190, which occurs, for radio frequency controllably to work.

Step S1306：Radio frequency occurs module 190 and does not work.

Figure 14 is the detailed process according to the control method for thawing apparatus 100 of the utility model one embodiment Figure.Referring to Figure 14, the defreezing method for thawing apparatus 100 of the utility model may include following detailed step：

Step S1402：Judge to thaw to switch and whether open, if so, executing step S1404；If it is not, executing step S1402.

Step S1404：The radio frequency generation start-up operation of module 190, acquisition radio frequency generation module 190 and radio-frequency antenna 130 The performance number of the reflection wave signal of electrical wiring.

Step S1406：Judge whether the performance number of current reflective wave signal is less than no-load power value, if so, executing step S1410；If it is not, executing step S1408.

Step S1408：Radio frequency occurs module 190 and is stopped, and sends out vision and the prompt user's zero load of/audible signal.

Step S1410：The 1st radiofrequency signal for generating frequency as the first predeterminated frequency f (1) of module 190 occurs for radio frequency.

Step S1412：Delay first time interval, acquisition connection radio frequency generation module 190 and radio-frequency antenna 130 are electrically connected The incidence wave signal and reflection wave signal of line calculate the simultaneously corresponding rf wave absorptivity R (1) of recording frequency f (1).In the step In, first time interval takes 0.02 second.

Step S1414：The 2nd radiofrequency signal for generating frequency as f (2) of module 190 occurs for radio frequency, and module occurs for radio frequency The frequency f (2) of the radiofrequency signal of 190 the 2nd generations is equal to the frequency f that the radiofrequency signal of the 1st generation of module 190 occurs for radio frequency (1) with default step-length h's and.

Step S1416：Delay 0.02 second obtains entering for the electrical wiring for connecting radio frequency generation module 190 and radio-frequency antenna 130 Ejected wave signal and reflection wave signal calculate the simultaneously corresponding rf wave absorptivity R (2) of recording frequency f (2).

And so on, until step S1418：Module 190 occurs for radio frequency, and n-th is (most during determining optimal defrosting frequency 1 time afterwards) generate the radiofrequency signal that frequency is the second predeterminated frequency f (n).The radiofrequency signal that 190 n-th of module generates occurs for radio frequency Frequency f (n) be equal to radio frequency occur the frequency f (n-1) of the radiofrequency signal that module 190 (n-1)th times (2nd time reciprocal) generates with it is pre- If the sum of step-length h.

Step S1420：Delay 0.02 second obtains entering for the electrical wiring for connecting radio frequency generation module 190 and radio-frequency antenna 130 Ejected wave signal and reflection wave signal calculate the simultaneously corresponding rf wave absorptivity R (n) of recording frequency f (n).

Step S1422：In each defrosting frequency that radio frequency generation module 190 is generated during determining optimal defrosting frequency The corresponding defrosting frequency f (x) of the highest R (x) of radio frequency absorption rate is used as optimal defrosting frequency W (f).

Step S1424：Radio frequency occurs module 190 and generates the radiofrequency signal that frequency is optimal defrosting frequency W (f).

Step S1426：Postpone the second time interval, return to step S1410.In this step, the second time interval takes 30 Second.

After step S1410, the defreezing method for thawing apparatus 100 may also include the steps of：

Step S1430：Obtain the air themperature Tq in defrosting chamber 111.

Step S1432：Judge whether the air themperature Tq in defrosting chamber 111 is more than or equal to preset Faulty Temperature Tg, If so, executing step S1434 and S1436；If it is not, executing step S1430.

Step S1434：It sends out vision and/audible signal prompt user thawing apparatus 100 breaks down.

Step S1436：Radio frequency occurs module 190 and is stopped.

After step S1410, the defreezing method for thawing apparatus 100 may include following steps again：

Step S1440：The surface temperature Td (x) of pending object is obtained in real time.Execute step S1442 and S1446.

Step S1442：Judge whether the surface temperature Td (x) of pending object is more than or equal to preset target temperature Tm, if It is to execute step S1444 and S1436；If it is not, executing step S1440.

Step S1444：It sends out vision and/audible signal prompt user is thawed and completed.

Step S1446：Judge whether the surface temperature Td (x) and Td (x-1) of the adjacent pending object obtained twice are less than Equal to preset minimum temperature difference Tfi, if so, executing step S1448；If it is not, executing step S1450.

Step S1448：Make the operating power P that module 190 occurs for radio frequency on the basis of current power P d, improves default Increasing degree K1.

Step S1450：Judge whether the surface temperature Td (x) and Td (x-1) of the adjacent pending object obtained twice are more than Equal to preset highest temperature difference Tfa, if so, executing step S1452；If it is not, executing step S1454.

Step S1452：Make the operating power P that module 190 occurs for radio frequency on the basis of current power P d, reduces default Range of decrease K2.

Step S1454：The operating power P that module 190 occurs for radio frequency is set to be equal to current power P d, i.e. operating power is kept It is constant.

After step S1410, the defreezing method for thawing apparatus 100 may also include the steps of：

Step S1460：Obtain the preset parameter of pending object.

Step S1462：Match the corresponding Time-temperature change curve of pending object.

Step S1464：The surface temperature Td (1) of pending object is obtained for the first time.

Step S1466：Calculate the remaining thawing time t (1) of pending object.

Step S1468：The first numeric area 251, the second numeric area 252 and the progress of progress display area 250 are shown Item 253 shows defrosting progress msg respectively.The defrosting total time of second numeric area 252 display is equal to t (1), and remains unchanged.

Step S1470：First numeric area, 251 countdown shows the real-time remaining thawing time t of pending object, until again Once obtain the surface temperature Td (2) of pending object.In this step, 140 every 2~4 seconds sensings of temperature sensor once wait locating The temperature value for managing object takes 3 seconds once, i.e. 251 countdown of the first numeric area is shown 3 seconds.

Step S1472：Obtain pending object surface temperature Td (>1).

Step S1474：Calculate pending object remaining thawing time t (>1).

Step S1476：The first numeric area 251 and progress of progress display area 250 show that item 253 shows defrosting respectively Progress msg, return to step S1470.I.e. after the surface temperature Td (1) for obtaining pending object for the first time is determined and thawed total time, Temperature sensor 140 senses the surface temperature of pending object, and calculates corresponding remaining thawing time, in the first numeric area 251 and progress show item 253 on shown respectively.

In some illustrative embodiments, it is 0.02 second to enable first time interval, and default step-length h is 1KHz, and first is pre- If frequency f (1) is 432.8MHz, the second predeterminated frequency f (n) is 433.2MHz, and the second time interval is 30 seconds, and mould occurs for radio frequency The input power of block 190 is 180W (i.e. the performance number of incidence wave signal is 180W).

Radio frequency occurs module 190 and adjusts frequency values from 432.8MHz to 433.2MHz according to the step-length of every 2 milliseconds of 1KHz, i.e., It is incremented to 433.2MHz always from 432.801MHz, 432.802MHz, while detection module senses under each defrosting frequency values The performance number of reflection wave signal, 30.8W, 30.2W ..., 31.3W, it is corresponding to calculate separately each defrosting frequency values later respectively Rf wave absorptivity, respectively 82.8%, 83.2% ..., 82.6%, then maximum radio frequency wave absorptivity is 83.2%, corresponding Frequency values are 432.802MHz, using frequency values 432.802MHz as the optimal defrosting frequency of currently pending object, radio frequency hair After 30 seconds, the defrosting frequency carried out next time is adjusted the radiofrequency signal that the raw generation of module 190 frequency values are 432.802MHz.

So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new The range of type is understood that and regards as to cover other all these variations or modifications.

Claims (10)

1. a kind of thawing apparatus, including：

Cylinder inside defines the defrosting chamber for placing pending object；

Device door body is set to picking and placeing at mouth for the defrosting chamber, and described mouth is picked and placeed for being opened and closed；

Module occurs for radio frequency, is configured to generate radiofrequency signal；With

Radio-frequency antenna is set at the inner wall of the defrosting chamber, and module occurs with the radio frequency and is electrically connected, with according to Radiofrequency signal generates the rf wave of corresponding frequencies in the defrosting chamber, and the indoor pending object of the defrosting chamber that thaws； The wherein described radio frequency occurs module and is configured to：

When in the defrosting chamber without placing pending object, do not work；

When placing object to be handled in the defrosting chamber, can controllably work.

2. thawing apparatus according to claim 1, further includes：

Detection module is configured to detection and connects the incidence wave signal that module and the electrical wiring of the radio-frequency antenna occur for the radio frequency And reflection wave signal；And

The radio frequency generation module is configured to the big of the performance number of the reflection wave signal detected according to the detection module It is small, controllably work.

3. thawing apparatus according to claim 2 is configured to wherein module occurs for the radio frequency：

When the performance number of the reflection wave signal is more than or equal to a preset no-load power value, do not work；

When the performance number of the reflection wave signal is less than the no-load power value, can controllably work.

4. thawing apparatus according to claim 3, wherein

The no-load power value is the 70~90% of the performance number of presently described incidence wave signal.

5. thawing apparatus according to claim 1, is configured to：

When in the defrosting chamber without placing pending object, sends out vision and/or audible signal is reminded and thawed described in user Device is unloaded.

6. thawing apparatus according to claim 2 is configured to wherein module occurs for the radio frequency：

According to preset first time interval, the second predeterminated frequency is risen to from the first predeterminated frequency to be incremented by default step-length every time It is adjusted into line frequency, while calculating and recording the corresponding rf wave absorptivity of each defrosting frequency；

It is corresponding to choose the maximum radio frequency wave absorptivity being calculated in first predeterminated frequency to second predeterminated frequency Defrosting frequency generates the radiofrequency signal that frequency is the optimal defrosting frequency as optimal defrosting frequency.

7. thawing apparatus according to claim 6, wherein

The rf wave absorptivity is that the performance number of the incidence wave signal subtracts what the power of the reflection wave signal was worth to The ratio of difference and the performance number of the incidence wave signal.

8. thawing apparatus according to claim 6 is configured to wherein module occurs for the radio frequency：

At interval of preset second time interval, carries out the primary frequency and adjust.

9. thawing apparatus according to claim 2, further includes：

Thaw switch, for controlling thaw routine start and stop；And

When the defrosting, which switchs, opens, detection device starts to detect the size of the performance number of the reflection wave signal；

When the defrosting, which switchs, closes, module from service occurs for the radio frequency.

10. a kind of refrigerator, including define the babinet of at least one storing compartment, for being opened and closed each storing compartment respectively The compartment door body for picking and placeing mouth, further include the thawing apparatus according to any one of claim 1-9, be set to an institute It is indoor to state storing.