CN1206099A - Refrigerator capable of preventing heat exchange between evaporator and outside warm air - Google Patents
Refrigerator capable of preventing heat exchange between evaporator and outside warm air Download PDFInfo
- Publication number
- CN1206099A CN1206099A CN 98107402 CN98107402A CN1206099A CN 1206099 A CN1206099 A CN 1206099A CN 98107402 CN98107402 CN 98107402 CN 98107402 A CN98107402 A CN 98107402A CN 1206099 A CN1206099 A CN 1206099A
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- CN
- China
- Prior art keywords
- cold air
- refrigerator
- dividing plate
- cam
- connecting rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010257 thawing Methods 0.000 claims abstract description 8
- 230000008016 vaporization Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Defrosting Systems (AREA)
Abstract
本发明公开了一种带有开关冷气排出孔装置的电冰箱。该装置包括隔板及其驱动装置,其中隔板用于开关冷气排出孔,驱动装置用于驱动隔板。这样,在除霜期间或在打开门时,就可以防止蒸发器和外面热空气之间产生热交换,因此,提高了制冷效率,且不再产生由外面热空气而引起的结霜。
The invention discloses a refrigerator with a device for opening and closing cold air discharge holes. The device comprises a partition and a driving device thereof, wherein the partition is used for opening and closing cold air discharge holes, and the driving device is used for driving the partition. In this way, heat exchange between the evaporator and the hot outside air can be prevented during defrosting or when the door is opened, thus improving cooling efficiency and no longer frosting caused by hot outside air.
Description
The present invention relates to a kind of refrigerator, particularly relate to a kind of have during defrosting or at the refrigerator of the device of opening (refrigerator) Men Shineng switch cold air tap.
As shown in Figure 1, the plain edition refrigerator has casing 14, door 16 and 12, compressor 19, evaporimeter 11 and fan 20.Wherein casing 14 comprises refrigerating chamber 15 and refrigerating chamber 1; Door 16 and 12 is respectively applied for and opens or closes refrigerating chamber 15 and refrigerating chamber 1; Compressor 19 is used for compressed refrigerant; Evaporimeter 11 is used for producing cold air by the cold-producing medium that vaporization is provided by compressor 19; Fan 20 is used to blow the cold air that is produced by evaporimeter 11.
The channel component 3 that constitutes cold air path 2 is installed in the back of refrigerating chamber 1, and channel component 3 has many cold air tap 3a that open in refrigerating chamber 1.The cold air that blows by fan 20 flows into cold air path 2, is discharged into refrigerating chamber 1 by cold air tap 3a then.In cold air path 2, a guiding device 13 is installed, be used for direct cold gas and flow into cold air path 2 and flow to cold air tap 3a.
At the refrigerator duration of work, can frosting on evaporimeter 11.Because frosting, the refrigerating efficiency of evaporimeter 11 reduces, and therefore, in order to defrost, refrigerator is equipped with heater 17, and when refrigerator used above a setting-up time, refrigerator was just by utilizing 11 heating of 17 pairs of evaporimeters of heater to carry out defrost operation.
In this traditional refrigerator, during defrost operation, the heat that existence is produced by heater 17 is introduced to the problem in the refrigerating chamber 1.The heat that is produced by heater 17 mainly is to import into by the passage identical with carrying cold air, and promptly this heat mainly is to be sent in the refrigerating chamber 1 by cold air path 2 and cold air tap 3a.Because heat is sent in the refrigerating chamber 1, the refrigerating efficiency of refrigerating chamber 1 has just reduced, thereby can not preserve the food of being stored well.
In addition, the door of opening refrigerating chamber 1 as the user is 12 the time, and the hot-air of outside will flow into refrigerating chamber 1, and the main place that flows near evaporimeter 11.When extraneous air flows to evaporimeter 11, on evaporimeter 11, will produce more frost, so defrost operation will be more frequent.In order to defrost, just must start heater 17, so because frequent defrosting, refrigerating efficiency will be lower.
The present invention will overcome the problems referred to above of the prior art exactly, correspondingly, purpose of the present invention will provide a kind of refrigerator exactly, and it can prevent that the heat that is produced by heater from importing in the refrigerating chamber during defrosting, prevent that simultaneously hot outside flows to evaporimeter when opening (refrigerator) door.
To achieve these goals, the invention provides a kind of refrigerator, this refrigerator comprises: casing, door, evaporimeter, heater, channel component and switching device.Wherein, casing is used to constitute refrigerating chamber; Described door is used to open or close refrigerating chamber; Evaporimeter is used for producing by gasified refrigerant the cold air of input refrigerating chamber; The frost that heater is used to remove on the evaporimeter to be tied; The channel component that constitutes cold air path is used to guide the cold air that is produced by evaporimeter, has many cold air taps of opening in refrigerating chamber on the channel component; Switching device is used for during defrosting maybe switch cold air tap when opening (refrigerator) door.Described switching device then includes drive motors, cam, mobile device and dividing plate, wherein, drive motors is installed in the cold air path, and cam is rotated by drive motors, mobile device moves up and down by cam, and dividing plate is switch cold air tap along with moving up and down of mobile device.
Cam is a cylinder that has groove in its surface.
According to a preferred embodiment of the invention, mobile device comprises connecting rod, and wherein, connecting rod has the pilot pin that embeds in the cam groove at the one end, and the other end of connecting rod links to each other with dividing plate, and locate by fulcrum pin the connecting rod middle part.When cam rotated, connecting rod was used for swinging dividing plate.
Simultaneously, according to another embodiment of the present invention, mobile device comprises hollow circular cylinder and action bars, and wherein, hollow circular cylinder is used to be enclosed within cylindrical outside, and the inboard of hollow circular cylinder has the guiding male member, and should embed in the cam groove by the guiding male member; Action bars is connected on the hollow circular cylinder.Here, dividing plate is fixed on one side of cold air tap in hinged way, and has the male member of support to stretch on action bars.Support male member and supporting dividing plate, thereby when action bars moved down, dividing plate was opened the cold air tap, and when action bars moved up, dividing plate is the closing cool air tap then.
By the explanation of being done with reference to the accompanying drawings, will better understand the present invention, and its target and advantage are more fully understood.Here:
Fig. 1 is the sectional side view of plain edition refrigerator;
Fig. 2 is the sectional side view of refrigerator of the present invention;
Fig. 3 is the enlarged perspective of switching device shown in Figure 2;
Fig. 4 is the sectional side view of Fig. 3;
Fig. 5 is another embodiment of switching device of the present invention;
Fig. 6 is the sectional side view of Fig. 5.
Below, with reference to the accompanying drawings the present invention is illustrated that the part identical with conventional refrigerator shown in Figure 1 will represent that its explanation also will be omitted with same reference number.
Fig. 2 is the sectional side view of refrigerator of the present invention, and Fig. 3 and Fig. 4 are the zoomed-in views of switching device shown in Figure 2.In cold air path 2, the switching device 30 that is used for switch cold air tap 3a is installed.
The pilot pin 41 that embeds in the cam groove 37 is connected with an end of connecting rod 38, and the other end of connecting rod 38 is connected with dividing plate 43.Fulcrum pin 39 is connected with the middle part of connecting rod 38, and fulcrum pin 39 is fixed on the channel component 3, thereby connecting rod 38 is pivotally fixed by fulcrum pin 39.
Between connecting rod 38 and pilot pin 41, be placed with the spring 31 that pilot pin 41 and cam groove 37 are maintained contact force.The bottom Elastic Contact of pilot pin 41 and cam groove 37, thus the operation of pull bar 38 just obtains effectively to guide by cam circle cylinder 36.
At the refrigerator duration of work, dividing plate 43 keeps cold air tap 3a to be in open mode.When refrigerator begins to defrost, drive drive motors 34 by the control element (not shown) and come rotating cam cylinder 36, thereby make connecting rod 38 produce swing.Along with the swing of connecting rod 38, dividing plate 43 closing cool air tap 3a.
At the refrigerator duration of work, when the user opens (refrigerator) door 12 the time (unlatching of door 12 is judged by being used for decision gate 12 open/close sensors), aforesaid control element drive motors 34 comes closing cool air tap 3a.
During heater 17 produces the defrost operation of heats and refrigerator doors 12 when being opened, because cold air tap 3a is closed, so be delivered in the refrigerating chamber 1 with regard to the heat that has prevented heater 17, also prevented that the hot-air of outside is delivered on the evaporimeter 11 simultaneously.Thereby avoided the reduction of refrigerating chamber refrigerating efficiency, and also can not cause frosting on the evaporimeter 11 because of hot outside.
Fig. 5 is another embodiment of switching device of the present invention, and Fig. 6 is the sectional side view of Fig. 5.
In the present embodiment, switching device 50 includes drive motors 60, cam circle cylinder 58, hollow circular cylinder 56, action bars 54 and dividing plate 52.Wherein, drive motors 60 is installed in the cold air path 2, and cam circle cylinder 58 is rotated by drive motors 60, and hollow circular cylinder 56 is driven by cam circle cylinder 58, and action bars 54 is installed in the downside of hollow circular cylinder 56, and dividing plate 52 is handled by action bars 54.
Cam circle cylinder 58 is connected on the rotating shaft of drive motors 60.On the surface of cam circle cylinder 58, be processed with cam groove 57.
Hollow circular cylinder 56 is enclosed within the outside of cam circle cylinder 58, thereby cam circle cylinder 58 is fixedly mounted in the hollow circular cylinder 56.In the inboard of hollow circular cylinder 56, there are cam groove 57 interior guiding male members 55 that embed cam circle cylinder 8 to stretch.
Action bars 54 fixes by the additional fixture that does not illustrate, thereby is fixed along direction of rotation, and can move in the vertical direction.
Mounting 62 is arranged on the two ends of the bottom of cold air tap 3a, and swivel pin 61 is fixed by mounting 62.Dividing plate 52 is hingedly mounted on the limit portion of cold air tap 3a by swivel pin 61.
Support member 54a stretches from action bars 54, support member 54a supporting clapboard 52.Dividing plate 52 is supported by support bar 54a, thereby as shown in Figure 5, when action bars 54 moved down, cold gas exhausting outlet 3a was opened, and as shown in Figure 6, when action bars 54 moved up, cold gas exhausting outlet 3a was closed.
According to present embodiment, operation and the Fig. 2 of refrigerator that has switching device is similar to the embodiment shown in Fig. 4, promptly when opening (refrigerator) door 12 or defrosting by 17 pairs of evaporimeters 11 of heater, come drive motors 60 with rotating cam cylinder 58 by the control element (not shown), thereby hollow circular cylinder 56 and action bars 54 move up.Thus, by dividing plate 52 cold air tap 3a is closed.
As mentioned above, according to the present invention, because during defrosting and open (refrigerator) when door, prevented the heat exchange between the hot-air of evaporimeter and outside, so refrigerating efficiency has improved, and also no longer produce the frosting that on evaporimeter, causes by the outermost heat air.
Although the present invention is had been described in detail, apparent, this just illustrates, and is not limited only to this.The spirit and scope of the present invention are only limited by claims.
Claims (7)
1. a refrigerator comprises:
A casing, this casing constitutes refrigerating chamber;
A door, this door is used for the switch refrigerating chamber;
An evaporimeter, this evaporimeter produce the cold air of input refrigerating chamber by the vaporizing system cryogen;
A heater, this heater is used to remove the frosting on the evaporimeter;
A channel component, this channel component constitute the cold air path of guiding by the cold air of evaporimeter generation, and this channel component has many cold air taps of opening in refrigerating chamber;
A switching device, this switching device comprises drive motors, cam, mobile device, dividing plate, wherein, drive unit is installed in the cold air path, cam is driven by drive motors, and mobile device moves up and down by cam, and dividing plate is along with mobile device moves up and down switch cold air tap, described switching device is during defrosting or when opening, is used for switch cold air tap.
2. refrigerator as claimed in claim 1, wherein, described cam is the cylinder that a surface has groove.
3. refrigerator as claimed in claim 2, wherein, described mobile device includes a connecting rod, wherein, connecting rod has the pilot pin that embeds in the cam groove at the one end, and the other end of connecting rod links to each other with dividing plate, and the middle part of connecting rod fixes by fulcrum pin, when cam rotated, connecting rod was used for swinging dividing plate.
4. refrigerator as claimed in claim 3 also comprises the spring that is placed between connecting rod and the pilot pin, and this spring is pressed into cam groove with pilot pin elasticity.
5. refrigerator as claimed in claim 2, wherein, described mobile device comprises:
A hollow circular cylinder that is enclosed within the described cylinder outside, the inboard of this hollow circular cylinder has the guiding male member, and this guiding male member is embedded in the cam groove;
An action bars that is connected on the described hollow circular cylinder.
6. refrigerator as claimed in claim 5, wherein, dividing plate is installed in the limit portion of cold air tap in the hinge joint mode.
7. refrigerator as claimed in claim 6 also includes a support member of stretching from action bars, and this support member is used for supporting clapboard, thereby when action bars moves down, dividing plate is opened the cold air tap, and when action bars moves up, dividing plate closing cool air tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98107402 CN1206099A (en) | 1997-07-23 | 1998-04-23 | Refrigerator capable of preventing heat exchange between evaporator and outside warm air |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR34353/97 | 1997-07-23 | ||
| KR35337/97 | 1997-07-26 | ||
| CN 98107402 CN1206099A (en) | 1997-07-23 | 1998-04-23 | Refrigerator capable of preventing heat exchange between evaporator and outside warm air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1206099A true CN1206099A (en) | 1999-01-27 |
Family
ID=5219356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98107402 Pending CN1206099A (en) | 1997-07-23 | 1998-04-23 | Refrigerator capable of preventing heat exchange between evaporator and outside warm air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206099A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100520245C (en) * | 2005-03-31 | 2009-07-29 | 罗伯特绍控制器公司 | Damper door control from adaptive defrost control |
| CN103097839A (en) * | 2010-02-26 | 2013-05-08 | Lg电子株式会社 | Refrigerator |
| WO2015043418A1 (en) * | 2013-09-24 | 2015-04-02 | 海尔亚洲国际株式会社 | Shielding device and refrigerator comprising same |
-
1998
- 1998-04-23 CN CN 98107402 patent/CN1206099A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100520245C (en) * | 2005-03-31 | 2009-07-29 | 罗伯特绍控制器公司 | Damper door control from adaptive defrost control |
| CN103097839A (en) * | 2010-02-26 | 2013-05-08 | Lg电子株式会社 | Refrigerator |
| CN103097839B (en) * | 2010-02-26 | 2015-06-17 | Lg电子株式会社 | Refrigerator |
| US9581377B2 (en) | 2010-02-26 | 2017-02-28 | Lg Electronics Inc. | Refrigerator |
| WO2015043418A1 (en) * | 2013-09-24 | 2015-04-02 | 海尔亚洲国际株式会社 | Shielding device and refrigerator comprising same |
| CN104956168A (en) * | 2013-09-24 | 2015-09-30 | 海尔亚洲国际株式会社 | Shielding device and refrigerator comprising same |
| AU2014328077B2 (en) * | 2013-09-24 | 2016-07-28 | Haier Asia International Co., Ltd. | Shielding device and refrigerator comprising same |
| US10228180B2 (en) | 2013-09-24 | 2019-03-12 | Haier Asia International Co., Ltd. | Shielding device and refrigerator comprising same |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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