CN106556197B - A kind of refrigerator and refrigeration cabinet control method - Google Patents
A kind of refrigerator and refrigeration cabinet control method Download PDFInfo
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- CN106556197B CN106556197B CN201510633964.4A CN201510633964A CN106556197B CN 106556197 B CN106556197 B CN 106556197B CN 201510633964 A CN201510633964 A CN 201510633964A CN 106556197 B CN106556197 B CN 106556197B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005057 refrigeration Methods 0.000 title claims abstract description 26
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- 230000005611 electricity Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
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- 238000012986 modification Methods 0.000 description 5
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- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of refrigerator and refrigeration cabinet control methods.In embodiment provided by the invention, two air outlets are arranged at top in refrigerator access port, the first air curtain of plane where being formed in parallel with access port and the second air curtain with the first air curtain at angle.Second air duct opposite with the first air outlet is set in access port bottom again, forms third air curtain.So that the first air curtain, the second air curtain and the closed three-dimensional cushion space of third air curtain composition, take full advantage of the heat-blocking action of the second air curtain and third air curtain, it avoids hot outside to enter from gap location and directly contact with the first air curtain, can effectively completely cut off refrigerator hot outside.Refrigeration cabinet control method provided in an embodiment of the present invention is controlled the electric power thus supplied of fan by fan governor, controls the wind speed and wind pressure of air curtain, to realize the heat insulation of the variation enhancing air curtain according to temperature.
Description
Technical field
The present invention relates to refrigeration technology field more particularly to a kind of therapeutic medical refrigerator and refrigeration cabinet control methods.
Background technique
For therapeutic medical refrigerator, continually opening refrigerator access port will lead to the heat exchange inside and outside cabinet body,
The isoperibol inside equipment is influenced, the physical property for saving article in cabinet is will affect when serious, character is caused to change, break
The original intention of the design of bad equipment.
Currently, for therapeutic medical refrigerator, in the case where access port is closed, using PVC
The form of (Polyvinylchloride, polyvinyl chloride) strip of paper used for sealing is sealed, to completely cut off the heat exchange of cabinet body inner air and outer air, but
It is that PVC strip of paper used for sealing can be thermally conductive, heat exchange can be generated, therefore is unable to satisfy medical refrigerator to heat-insulated requirement.
Using air curtain principle, i.e., ducting system is designed on the inside of cabinet door, form one of air film at cabinet door, can obstruct
The exchange of cabinet body inner air and outer air.
In the prior art, inside and outside heat insulation can be improved by setting multilayer air curtain, multilayer air curtain majority is to set in parallel
The multiple tracks set vertical air curtain also has and inside and outside air curtain is arranged in a manner of at angle.A kind of chilled products display as shown in Figure 1
Cabinet is provided with air outlet 34 and air outlet 70 at the top of refrigerated product display cabinet, and the air-flow flowed out from air outlet 34 forms one
The vertical air curtain 55 in road, the air-flow flowed out from air outlet 70 are formed together with vertical air curtain 55 with the downward outer of deviation angle A
Layer air curtain 65.Outer curtain 65 works as a buffer, reduce the lower vertical air curtain 55 of internal layer temperature inside, that is, refrigerator inside with
The direct heat exchange of hot outside, in addition, outer curtain 65 has certain deviation angle, in a relatively open large area
Refrigerator opening form thicker air curtain.But there are gaps between outer curtain 65 and vertical air curtain 55, so that external empty
Gas can be entered in outer curtain 65 by gap location and generate heat exchange.
Above-mentioned air curtain technology is generally used for the biggish commodity display refrigerator of access port, is unable to satisfy medical refrigerated cabinet pair
In the strict demand of temperature.
Summary of the invention
The embodiment of the invention provides a kind of refrigerators, to improve the heat insulation of medical refrigerator.
A kind of refrigerator that one embodiment of the present of invention provides, comprising:
The first air outlet and the second air outlet are provided at the top of the access port of refrigerator, first air outlet guides air-flow
It flows to form the first air curtain along first path, the second air outlet guidance air-flow flows to form the second wind along the second path
Curtain；
The access port bottom of refrigerator is provided with the first air duct, the air intake vent in first air duct and first air outlet
Relatively, the air outlet guidance air-flow in first air duct flows to form third air curtain along third path；
The first air outlet guidance air-flow is formed by the first air curtain along first path flowing and is parallel to access port institute
In plane, the second air outlet guidance air-flow is formed by the second air curtain with first air curtain along the flowing of the second path and is in
One angle, first air curtain, the second air curtain and third air curtain form three-dimensional cushion space.
In the above embodiment of the present invention, two air outlets are set at the top of the access port of refrigerator, are formed in parallel with
First air curtain of plane where access port and with the first air curtain at the second air curtain of angle.Again in access port bottom setting and the
The second opposite air duct of one air outlet forms third air curtain.So that the first air curtain, the second air curtain and third air curtain composition are closed
Three-dimensional cushion space takes full advantage of the heat-blocking action of the second air curtain and third air curtain, avoids hot outside from gap location
Into and directly contacted with the first air curtain, can effectively completely cut off refrigerator hot outside.
The embodiment of the invention also provides a kind of refrigeration cabinet control method, the is provided at the top of the access port of the refrigerator
One air outlet and the second air outlet, the first air outlet guidance air-flow flows to form the first air curtain along first path, described
Second air outlet guidance air-flow flows to form the second air curtain along the second path；The access port bottom of refrigerator is provided with the first wind
Road, the air intake vent in first air duct is opposite with first air outlet, the air outlet in first air duct guidance air-flow along
It flows to form third air curtain in third path；The first air outlet guidance air-flow is formed by the first wind along first path flowing
Curtain is parallel to plane where access port, and the second air outlet guidance air-flow is formed by the second air curtain along the flowing of the second path
It is in an angle with first air curtain, first air curtain, the second air curtain and third air curtain form three-dimensional cushion space；It is described cold
One or more hidden in the following position of cabinet are provided with fan: at the first air outlet of the refrigerator；The refrigerator
At second air outlet；At the air intake vent in the second air duct of the refrigerator；In first air duct of the refrigerator；
The refrigeration cabinet control method includes:
The access port opening that the access port controller that the fan governor of the refrigerator receives the refrigerator is sent refers to
It enables；
The fan governor is according to the access port open instructions, the confession of the fan of control one or more settings
Circuit starts supply voltage of powering or improve.
In the above embodiment of the invention, the electric power thus supplied that fan is controlled by fan governor, controls the wind of air curtain
Speed and wind pressure, to realize the heat insulation of the variation enhancing air curtain according to temperature.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is refrigerated product display cabinet schematic diagram in the prior art；
Fig. 2 is refrigerator schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the sectional view in access port section one shown in Fig. 1；
Fig. 4 is the sectional view in access port section two shown in Fig. 1；
Fig. 5 is the partial enlarged view in the second air duct shown in Fig. 2；
Fig. 6 is the air curtain schematic diagram on access port section shown in Fig. 2；
Fig. 7 is the first refrigeration cabinet control method flow diagram provided in an embodiment of the present invention；
Fig. 8 is second of refrigeration cabinet control method flow diagram provided in an embodiment of the present invention；
Fig. 9 is the third refrigeration cabinet control method flow diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Refrigerator provided in an embodiment of the present invention can be applied to household refrigeration cabinet or supermarket's refrigerator display case, especially may be used
Applied to places such as such as chemistry institute, drug surveilance offices, have strictly to precious sample or to the uniformity and fluctuation of temperature
It is required that sample refrigerated, such as medical refrigerator.
When access port in view of opening refrigerator every time, cabinet interior air all can occur heat with outside air and hand over
It changes, large effect is generated to the temperature near access port.Therefore, the embodiment of the invention provides a kind of refrigerators, to reduce
When opening access port, cabinet interior air and outside air occur heat exchange and lead to the fluctuation of cabinet interior temperature.
Referring to fig. 2, the refrigerator schematic diagram provided for the embodiment of the present invention, the antetheca 1 of refrigerator is perpendicular to ground in figure
Face is provided with access port 2 among antetheca 1, for extracting to storage article and deposit operation.Since the setting of access port 2 exists
On the antetheca 1 of refrigerator, 2 place plane of access port is vertical plane.
The embodiment of the present invention is improved at the access port 2 of refrigerator.
Referring to Fig. 3 and Fig. 4, the respectively sectional view in the section one, section two of access port 2 shown in Fig. 2, as shown in the figure:
The top of refrigerator access port 2 is provided with the first air outlet 3 and the second air outlet 4, and first air outlet 3 guides
Air-flow is flowed along first path 6 forms the first air curtain, and second air outlet 4 guides air-flow to flow shape along the second path 7
At the second air curtain.
The bottom of refrigerator access port 2 is provided with the first air duct 8, and the air intake vent 9 in first air duct goes out with described first
Air port 3 is opposite, and the air outlet 10 in first air duct guides air-flow to form third air curtain along the flowing of third path 11.
First air outlet 3 guides air-flow to be formed by the first air curtain along the flowing of first path 6 and is parallel to access port 2
Place plane, second air outlet 4 guide air-flow to be formed by the second air curtain and first wind along the flowing of the second path 7
Curtain is in an angle, and first air curtain, the second air curtain and third air curtain form three-dimensional cushion space.
In above-described embodiment provided by the invention, access port 2 is arranged on the antetheca 1 of refrigerator, puts down where access port 2
Face is vertical plane, and therefore, first path 6 is that vertically downward, the second path 7 is third obliquely in angle with first path 6
Path 11 is from bottom to top.
The three-dimensional cushion space being made of three air curtains obstructs the effect of hot outside more compared with single layer air curtain
It is good.In addition, the cross-sectional area of three air outlets is also smaller, to guarantee that the air-flow of outflow has enough wind pressure to form air curtain.
The air intake vent 9 in first air duct and first air outlet 3 are opposite, it is intended that making via the first air outlet 3
Outflow air-flow enter the first air duct 8, along the first air duct 8 flowing from the air outlet 10 in the first air duct flow out, formed third
Air curtain makes full use of air-flow to enhance the barriering effect to hot outside, and avoids the first air curtain and directly blow to refrigeration
Cabinet access port component forms scattering, and wind direction becomes unordered, and easy entrained dirt, molecule enter asking for the inside of refrigerator
Topic.
Since third air curtain is the air-flow that the first air curtain flows out after turning around a curve, farther out apart from air outlet, in wind speed
On it is decreased, in the intersection with the second air curtain, the wind speed of third air curtain is lower than the wind speed of the second air curtain to cross with it, because
This will not form excessive outside power to the second air curtain of intersection, lead to the problem of the second air curtain and broken up.
It is the partial enlarged view in the first air duct 8 shown in Fig. 3, the first air duct 8 is arc-shaped along airflow direction, example referring to Fig. 5
Such as similar U-typed.Air-flow is parallel to the first air duct air intake vent 9 first and enters the first air duct 8, subsequently into bend, the first air duct
Air outlet 10 guide air-flow flow to form third air curtain along third path.
Preferably, the third air curtain and the first air curtain are at an acute angle, so that third air curtain and the first air curtain, the second air curtain shape
At closed triangle solid cushion space.In embodiments of the present invention, the first air duct may be used also by taking the air duct of similar " u "-shaped as an example
To use the air duct of other shapes, to realize that it is closed vertical that the third air curtain formed can be formed with the first air curtain, the second air curtain
Body cushion space, for example, third air curtain can also be parallel with the first air curtain, the invention is not limited in this regard.
Preferably, the racetrack portion in first air duct 8 can be gentle as far as possible, keeps wind speed to reduce resistance.
Preferably, the angle between second air curtain and the first air curtain, maximum value are the second air outlet 4 and access port 2
Outer ledge is formed by the extended line of straight line and the angle of first air curtain.
When air-flow reaches 2 bottom of access port along the second path 7, but is less than the bottom outermost edge of access port 2,
Second air curtain plays primary barrier external world hot-air, and most of outside air is blocked in outside, avoids enter into closed three
Angle solid cushion space；Extraneous air stream is fashionable when having, and the first air curtain and third air curtain play secondary retention external world hot-air
Effect avoids the heat exchange of cold air in extraneous hot-air and refrigerator, convenient for the constant of Keep cool in-cabinet temperature.
Preferably, first air outlet 3 and the second air outlet 4 are connected to the second air duct 5, the inlet air in second air duct
Mouth 12 is connected to the inner air circulation canal of refrigerator.Due to not directing outside air into the second air duct 5, outside is avoided
The heat exchange of hot-air and refrigerator, and the air-flow of the first air curtain of formation and the second air curtain is the cold sky of cabinet interior
Gas can effectively completely cut off hot outside.The air intake vent 12 in second air duct can also be connected and be provided with outside air
Refrigerating plant, or use other mode of communicating；First air outlet and the second air outlet can be connected to same air duct,
Different air ducts, the invention is not limited in this regard can be connected to.
Preferably, as shown in Figure 3 or Figure 4, fan group 13, fan group are provided at the air intake vent 12 in second air duct
13 may include N number of fan, wherein N is the integer more than or equal to 1.The arrangement mode of N number of fan can use following
One of several ways:
Mode 1: airflow direction of the N number of fan in the second air duct 5 is arranged successively；To increase in the second air duct 5
The wind pressure of air-flow.
Mode 2: N number of fan arrangement is on a cross section in the second air duct 5；To increase in the second air duct 5
The air quantity of air-flow.
Mode 3: N number of fan is divided into M grouping, includes at least one fan in each grouping, in each grouping
Fan arrangement is on a cross section in second air duct 5, and the cross section where the fan of different grouping is different, M
For the integer greater than 1；Not only it can increase the wind pressure of 5 interior air-flow of the second air duct, but also be capable of increasing the wind of 5 interior air-flow of the second air duct
Amount.
Above several fan arrangement modes are only preferred implementation scheme provided in an embodiment of the present invention, and fan group 13 can also be with
An only fan, can also be not provided with fan, the invention is not limited in this regard here.
Preferably, fan is respectively arranged with (in figure not at the first air outlet 3 of above-mentioned refrigerator and the second air outlet 4
It marks).Therefore, can be by the fan group 13 at control second air duct air intake vent 12, and/or the first outlet air is controlled simultaneously
Fan at mouth 3 and the second air outlet 4, to reach while increase or reduce the wind at the first air outlet 3 and the second air outlet 4
Speed；Also the first outlet air can be controlled respectively to reach by controlling the fan at the first air outlet 3 and the second air outlet 4 respectively
Wind speed at mouth 3 and the second air outlet 4.Wind speed is bigger, and wind pressure is bigger, and the effect for obstructing hot outside is better；Wind speed is got over
Small, wind pressure is smaller, and the effect for obstructing hot outside is poorer.Fan is set only at the first air outlet 3 and the second air outlet 4
For preferred implementation scheme provided in an embodiment of the present invention, fan can also be only set at the first air outlet 3, or only second
Fan is set at air outlet 4, fan, the invention is not limited in this regard can also be not provided with.
Preferably, fan (not shown) can be set in the first air duct 8 of refrigerator.Due to forming third air curtain
The first air outlet of air-flow distance 3 farther out, wind speed can be reduced because of air drag, fan is set in the first air duct 8,
The wind speed that air-flow in the first air duct 8 can be increased, that is, increase the wind speed to form third air curtain air-flow, enhances third air curtain
Obstruct the ability of hot outside.
Wind pressure is the summation of static pressure and dynamic pressure, and the size of wind pressure determines the distance of air supplying distance, and wind pressure is bigger, air-supply away from
From remoter, conversely, air supplying distance is closer.Static pressure and dynamic pressure can be converted mutually, and the static pressure formed in air duct works as air
When generating flowing, air overcomes resistance to generate flowing, if resistance is enough small, at air outlet, static pressure will all be converted to dynamic pressure.
As set forth above, it is possible at the first air outlet 3 of refrigerator, at the second air outlet 4, the air intake vent 12 in the second air duct
It is provided with fan in place and the first air duct 8, one or more can also be provided with fan wherein, the present invention does not make this
Limitation.
Preferably, the fan group 13 is provided with sealing device, and the sealing device enters fan group 13 and the second air duct
The inner wall in air port 12 fits closely, not tight to prevent fan group 13 to be bonded with the inner wall of the second air duct air intake vent 12, makes to enter
Air-flow in second air duct 5 flows out in the gap between fan group 13 and the second air duct air intake vent 12, and then influences the second wind
Wind pressure in road 5.
In addition to the fan group 13 at the air intake vent 12 in the second air duct is provided with sealing device, other fans are also mountable
Sealing device, the invention is not limited in this regard.
As shown in Figure 4, it is preferable that the second air outlet 4 setting fan in, drive flabellum rotation flabellum axle with it is two-way
Driving motor 14 is electrical connected, and when driving motor 14 drives the flabellum axle to rotate, flabellum axle movement is able to drive, to change fan
Angle between the central axis in the air duct at rachis and second air outlet 4, and then change the outlet air angle of the second air outlet 4
Degree, expands or shrinks closed triangle solid cushion space.The volume V of triangle solid cushion space can be calculated by following formula
Out:
V=S × l (1)
Wherein, l indicates the length of triangle solid cushion space, and triangle shown in the direction and Fig. 6 of the length is three-dimensional
Cushion space cross section is vertical, and the size of l is fixed and invariable；S indicates the transversal of triangle solid cushion space as shown in Figure 6
Face area, size are calculated by following formula:
Wherein, d indicates the distance between first the 3 to the first air duct of air outlet air intake vent 9, and the size of d immobilizes；h
Indicate the height of triangle on triangle solid cushion space cross section shown in Fig. 6.
There are following relationships between h and d:
Wherein, α indicates the air outlet angle of the second air outlet 4, i.e. angle between first path 6 and the second path 7；β table
Show the angle between first path 6 and third path 11, and the size of β immobilizes.
As shown in fig. 6, as the air outlet angle α of the second air outlet 4, by α1Become α2When, triangle is high from h on cross section1
Become h2, the volume of triangle solid cushion space is from V1Become V2, therefore have:
According to trigonometric function relationship, it is known that the air outlet angle α of the second air outlet 4 is every to increase 5 °, triangle solid cushion space
Volume about increase and be twice.
The design scheme that the air outlet angle at the second air outlet 4 can be changed, than the design scheme of fixed air outlet, efficiency
It is higher, have more flexibility.Refrigerator it is vertical can to adjust triangle according to different situations, while adjusting fan supply voltage
The volume of body cushion space quickly adjusts cabinet interior temperature to realize.
Preferably, fan is fixed in the air duct of refrigerator by fixed device, is provided with damping in the fixed device
Pad.The resilient cushion is for preventing fan from generating resonance with refrigerator in the process of running.
Preferably, temperature sensor (not marking in figure) is provided at the access port of refrigerator 2.The temperature sensor
It being capable of temperature at real-time detection access port 2.
The refrigerator that the various embodiments described above provide is also provided with control system, for controlling the wind being arranged in refrigerator
Fan.The control system includes fan governor and access port controller.The fan governor respectively with access port controller
It is electrically connected with fan power supply circuit.
Based on the same technical idea, the embodiment of the invention also provides refrigeration cabinet control methods, to control refrigerator
The size of the wind speed of the formation of middle air curtain and air curtain, wind pressure.
Referring to Fig. 7, for the flow diagram of refrigeration cabinet control method preferred always provided in an embodiment of the present invention, the party
Method includes the following steps:
Step 701: fan governor receives the access port open instructions that access port controller is sent.
The access port controller again with PLC (Programmable Logic Controller, Programmable logical controller
Device) it is electrically connected (not marking in figure).PLC can be used to control the door lock of the access port 2 of refrigerator.When user wants to open access
When mouth 2, access port open instructions is sent to access port controller；After access port controller receives access port open instructions, if
The access port open instructions includes such as password, fingerprint verification information, then access port controller first tests verification information
Then card sends the instruction for opening access port to PLC；After PLC receives the instruction for opening access port, door-lock opening is controlled, and
The message that access port is opened in confirmation is returned to access port controller simultaneously；Access port controller is being received by PLC return really
After recognizing message, access port open instructions is sent to fan governor.
Step 702: fan governor is according to the access port open instructions, the fan of control one or more settings
Power supply circuit start power or improve supply voltage.
According to refrigeration cabinet control method provided by the above embodiment, in a kind of scene, the opening for receiving access port refers to
It enables, then means that access port needs to open, at this point, fan governor control fan power supply circuit starts to power, to control wind
Fan is started to work, and is flowed out respectively from the air outlet 10 of the first air outlet 3, the second air outlet 4 and the first air duct in air-flow in this way, from
And it forms the first air curtain vertically downward, the second air curtain obliquely and third air curtain obliquely, this three air curtain and is formed
Closed cushion space can obstruct hot outside when access port is opened and enter cabinet interior.
According to refrigeration cabinet control method provided by the above embodiment, in another scene, the opening of access port is received
Instruction, then mean that access port needs to open, at this point, fan governor control fan power supply circuit improves supply voltage, thus
Increase the operating voltage of in running order fan, and then increase the wind pressure of three air curtain, enhances the resistance of air curtain
Every effect, cabinet interior temperature is protected not influenced by hot outside.
Said fans controller can control the fan that fan power supply circuit is certain and increase supply voltage, or simultaneously
Control is that the fan of many places setting increases supply voltage；It can also first power for the fan of certain or increase supply voltage, if
Temperature is still greater than the threshold value of setting at the appointed time, then is again fan power supply or the increase supply voltage at another place, Zhi Daowen
Degree is in safe range or all fans are until maximum power works, the invention is not limited in this regard.
It is right for the flow diagram of another preferred refrigeration cabinet control method provided in an embodiment of the present invention referring to Fig. 8
In the refrigerator for being additionally provided with temperature sensor, fan governor is electrical connected with temperature sensor, can apply this method pair
Refrigerator is controlled, and this method comprises the following steps:
Step 801: fan governor obtains the temperature at the access port that temperature sensor detects.
Step 802: the temperature at access port that fan governor is detected according to the temperature sensor, control described one
The output voltage of the power supply circuit of the fan of place or many places setting.
In above-mentioned steps 802, if the data that temperature sensor feeds back to fan governor are greater than preset first
Threshold value, then fan governor control fan power supply circuit increases the supply voltage of fan, to increase the wind speed and wind of air flow
Pressure.
Referring to Fig. 9, the embodiment of the invention also provides a kind of preferred refrigeration cabinet control methods, pass for being provided with temperature
The refrigerator of sensor and driving motor, fan governor are electrical connected with temperature sensor, driving motor, can apply this method
Refrigerator is controlled, this method comprises the following steps:
Step 901: fan governor obtains the temperature at the access port that temperature sensor detects.
Step 902: the temperature at access port that fan governor is detected according to the temperature sensor, control driving electricity
Machine drives the flabellum axle rotation, the angle between central axis to change the air duct at flabellum axle and the second air outlet 4.
In above-mentioned steps 902, if the data that temperature sensor feeds back to fan governor are greater than preset second
Threshold value, then fan governor control driving motor drives the flabellum axle rotation, to increase flabellum axle and second air outlet 4
Angle between the central axis in the air duct at place, and then increase three-dimensional cushion space.
The second threshold can be identical as first threshold, can also be different, the invention is not limited in this regard.
By aforesaid operations, the temperature at refrigerator access port can be quickly adjusted, protects in refrigerator and stores article not
It is influenced by ambient temperature.
Various refrigeration cabinet control methods provided by the above embodiment, can also be combined with each other.For example, working as temperature sensing
When the data that device feeds back to fan governor are greater than preset threshold value, fan governor can control the increasing of fan power supply circuit
The supply voltage of big fan, to increase the wind speed and wind pressure of air flow；Alternatively, fan governor control driving motor drives institute
State flabellum axle rotation, the angle between central axis to increase the air duct at flabellum axle and second air outlet 4, Jin Erzeng
Big solid cushion space；Alternatively, fan governor controls while controlling the supply voltage of fan power supply circuit reduction fan
Driving motor drives the flabellum axle to rotate, between the central axis for increasing the air duct at flabellum axle and second air outlet 4
Angle.The invention is not limited in this regard.
Preferably, various refrigeration cabinet control methods provided by the above embodiment are applied also for when access port is closed, or
When the data that temperature sensor feeds back to fan governor are less than preset threshold value, fan governor can control fan confession
Circuit stops being that fan is powered, alternatively, powering by fan of lower power, alternatively, fan governor controls driving motor
The flabellum axle is driven to rotate, the angle between central axis to reduce the air duct at flabellum axle and second air outlet 4.
The stepped distribution of the supply voltage of the fan.When fan power supply circuit starts power supply, first with minimum rated
Operating voltage power supply, it is therefore an objective to form a static pressure, dynamic pressure mixed zone in short-term, inside air duct with energy reserve.Then fan
Controller is according to the sampled data of temperature sensor, if judgement needs to increase supply voltage, according to preset step-length or
Person's percentage increases supply voltage.
In the above embodiment of the present invention, the first air curtain, the second air curtain and third air curtain have collectively constituted closed triangle
Three-dimensional cushion space takes full advantage of the heat-blocking action of the second air curtain and third air curtain, avoids hot outside from gap location
Into and directly contacted with the first air curtain, can effectively completely cut off refrigerator hot outside；Simultaneously as the first air duct face
First air outlet, efficiently avoid air curtain directly blow to refrigerator component formed scattering and entrainment of dust, molecule into
Enter the inside of refrigerator.The fan group being arranged at the second air duct air intake vent, arrangement mode can either increase air quantity, and can
Increase wind pressure；At second air outlet be arranged fan, can controlled wind speed, and can pass through driving motor change outlet air angle
Degree；Therefore, so that triangle solid cushion space obstructs the more efficient of hot outside, flexibility is also had more.In addition, refrigeration
Cabinet is additionally provided with fan governor, so that refrigerator adjusting internal temperature is more quick, intelligence.
In the above embodiment of the invention, the access port of refrigerator is arranged on antetheca, and the plane where access port is
Vertical plane.If the upper wall of refrigerator is arranged in access port, the plane where access port is horizontal plane, therefore first path
For horizontal direction, obliquely in angle, third path and first path are in a certain angle obliquely for the second path and first path.
The first path, the second path, third path are related with the opening direction of access port, and the embodiment of the present invention no longer arranges one by one
It lifts.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of refrigerator, which is characterized in that
Be provided with the first air outlet and the second air outlet at the top of the access port of refrigerator, the first air outlet guidance air-flow along
First path flows to form the first air curtain, and the second air outlet guidance air-flow flows to form the second air curtain along the second path；
The access port bottom of refrigerator is provided with the first air duct, the air intake vent in first air duct and the first air outlet phase
Right, the air outlet guidance air-flow in first air duct flows to form third air curtain along third path；
The first air outlet guidance air-flow, which flows to be formed by where the first air curtain is parallel to access port along first path, puts down
Face, the second air outlet guidance air-flow are formed by the second air curtain and first air curtain in a folder along the flowing of the second path
Angle, first air curtain, the second air curtain and third air curtain form three-dimensional cushion space.
2. refrigerator as described in claim 1, which is characterized in that the first air duct of the refrigerator is in arc along airflow direction
Shape.
3. refrigerator as claimed in claim 2, which is characterized in that the air outlet guidance air-flow in first air duct is along third
Path is flowed to form third air curtain, and the third air curtain and the first air curtain are at an acute angle.
4. refrigerator as described in claim 1, which is characterized in that the angle between second air curtain and the first air curtain, most
Big value is that the second air outlet and access port outer ledge are formed by the extended line of straight line and the angle of first air curtain.
5. refrigerator as described in claim 1, which is characterized in that first air outlet and the second air outlet are connected to second
Air duct, the air intake vent in second air duct are connected to the inner air circulation canal of the refrigerator.
6. refrigerator as described in claim 1, which is characterized in that one or more in the following position of the refrigerator are set
It is equipped with fan:
At first air outlet of the refrigerator；
At second air outlet of the refrigerator；
At the air intake vent in the second air duct of the refrigerator；
In first air duct of the refrigerator.
7. refrigerator as claimed in claim 6, which is characterized in that in the fan of the second air outlet setting of the refrigerator,
The flabellum axle of flabellum rotation is driven to be electrical connected with driving motor, the driving motor drives the flabellum axle rotation, to change
Angle between the central axis in the air duct at flabellum axle and second air outlet.
8. a kind of refrigeration cabinet control method, which is characterized in that
The first air outlet and the second air outlet are provided at the top of the access port of the refrigerator, first air outlet guides air-flow
It flows to form the first air curtain along first path, the second air outlet guidance air-flow flows to form the second wind along the second path
Curtain；The access port bottom of refrigerator is provided with the first air duct, and the air intake vent in first air duct is opposite with first air outlet,
The air outlet guidance air-flow in first air duct flows to form third air curtain along third path；First air outlet guides gas
Stream is formed by plane where the first air curtain is parallel to access port along first path flowing, and second air outlet guides air-flow
The second air curtain and first air curtain are formed by an angle, first air curtain, the second air curtain along the flowing of the second path
Three-dimensional cushion space is formed with third air curtain；
One or more in the following position of the refrigerator are provided with fan: at the first air outlet of the refrigerator；Institute
It states at the second air outlet of refrigerator；At the air intake vent in the second air duct of the refrigerator；In first air duct of the refrigerator；
The refrigeration cabinet control method includes:
The fan governor of the refrigerator receives the access port open instructions that the access port controller of the refrigerator is sent；
The fan governor is according to the access port open instructions, the power supply electricity of the fan of control one or more settings
Road starts supply voltage of powering or improve.
9. method according to claim 8, which is characterized in that it is provided with temperature sensor at the access port of the refrigerator,
The fan governor is electrically connected with the temperature sensor and fan power supply circuit respectively；
The refrigeration cabinet control method further include:
The fan governor of the refrigerator obtains the temperature at the access port that temperature sensor detects；
The temperature at access port that the fan governor of the refrigerator is detected according to the temperature sensor, control described one
The output voltage of the power supply circuit of the fan of place or many places setting.
10. method as claimed in claim 8 or 9, which is characterized in that the fan of the second air outlet setting of the refrigerator
In, drive flabellum rotation flabellum axle be electrical connected with driving motor, the fan governor respectively with access port controller and
Fan power supply circuit is electrically connected；
The refrigeration cabinet control method further include:
The fan governor of the refrigerator obtains the temperature at the access port that temperature sensor detects；
The temperature at access port that the fan governor of the refrigerator is detected according to the temperature sensor, control driving electricity
Machine drives the flabellum axle rotation, the angle between central axis to change the air duct at flabellum axle and the second air outlet.
11. method according to claim 8, which is characterized in that further include:
The fan governor of the refrigerator receives the access port out code that access port controller is sent；
The fan governor of the refrigerator is according to the access port out code, the fan of control one or more settings
Power supply circuit stops power supply or reduces supply voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510633964.4A CN106556197B (en) | 2015-09-29 | 2015-09-29 | A kind of refrigerator and refrigeration cabinet control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510633964.4A CN106556197B (en) | 2015-09-29 | 2015-09-29 | A kind of refrigerator and refrigeration cabinet control method |
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| CN106556197B true CN106556197B (en) | 2019-06-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959168A (en) * | 2021-04-21 | 2022-01-21 | 海信（山东）冰箱有限公司 | Control mode of refrigerator |
| CN113932517A (en) * | 2021-04-21 | 2022-01-14 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN114145413B (en) * | 2021-11-03 | 2024-06-28 | 东莞市陈辉球米粉设备有限公司 | Rice noodle normal pressure high temperature flash steaming equipment and rice noodle normal pressure high temperature flash steaming method |
| CN116086092A (en) * | 2021-11-05 | 2023-05-09 | 元气森林(北京)食品科技集团有限公司 | Temperature control cabinet, control method, equipment, medium and product |
| CN114082464A (en) * | 2021-11-30 | 2022-02-25 | 何传娣 | Medical kit convenient for storing blood sample after blood sampling |
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| US4341081A (en) * | 1979-02-14 | 1982-07-27 | Tyler Refrigeration Corporation | Multiband open front refrigerated case with air defrost |
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| EP2570055A1 (en) * | 2011-09-15 | 2013-03-20 | David Turner | Air catching apparatus for a refrigerated cabinet |
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|---|---|---|---|---|
| US4341081A (en) * | 1979-02-14 | 1982-07-27 | Tyler Refrigeration Corporation | Multiband open front refrigerated case with air defrost |
| JP2001280781A (en) * | 2000-03-30 | 2001-10-10 | Sanyo Electric Co Ltd | Controller for open showcase |
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| CN1530596A (en) * | 2003-03-13 | 2004-09-22 | 富士电机零售设备系统株式会社 | Opening showcases |
| CN2840820Y (en) * | 2005-08-17 | 2006-11-29 | 上海海立中野冷机有限公司 | Open-type refrigeration cold-storage combined showing cabinet with middle air curtain device |
| CN102379580A (en) * | 2011-08-12 | 2012-03-21 | 杭州银都餐饮设备有限公司 | Anti-condensing closed-type display cabinet |
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|---|---|
| CN106556197A (en) | 2017-04-05 |
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