CN210242138U - Freezer of stable control temperature - Google Patents
Freezer of stable control temperature Download PDFInfo
- Publication number
- CN210242138U CN210242138U CN201921179894.XU CN201921179894U CN210242138U CN 210242138 U CN210242138 U CN 210242138U CN 201921179894 U CN201921179894 U CN 201921179894U CN 210242138 U CN210242138 U CN 210242138U
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- louver
- shutter
- freezer
- frame
- refrigeration
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a freezer of stable control temperature, including the freezer, freezer one side is provided with the air conditioning entry, fixed mounting has shutter frame in the air conditioning entry, install the shutter that can open or close in the shutter frame, still install the evaporimeter in the air conditioning entry, the evaporimeter sets up the shutter outside, there is compressor in the air conditioning entry outside through support fixed mounting, compressor is just right the evaporimeter sets up. The refrigeration house has the self-defrosting function, and is simple in structure, low in cost and stable and reliable in temperature control.
Description
Technical Field
The utility model relates to a freezer technical field especially relates to a freezer of stable control temperature.
Background
The cold storage is mainly used as constant-temperature storage cold air equipment for food, dairy products, meat, aquatic products, chemical industry, medicine, seedling raising, scientific experiment and the like, and the common cold storage is mostly refrigerated by a refrigerator, and liquid (ammonia or Freon) with low gasification temperature is used as a coolant to evaporate under the conditions of low pressure and mechanical control to absorb heat in the cold storage, so that the aim of cooling is fulfilled. The most common is a compression refrigerator, which is mainly composed of a compressor, a condenser, a throttle valve, an evaporation tube, and the like.
At present, the refrigeration of special medicines needs to be below minus 30 ℃, an evaporator is matched with a refrigeration compressor for refrigeration, however, the evaporator is easy to frost during refrigeration, and when frost is thick, the evaporator can be equivalent to a heat insulation layer, so that cold energy is difficult to disperse, the cooling effect is poor, the temperature is difficult to reach below minus 30 ℃, the medicine storage is very unfavorable, and the medicine is easy to deteriorate. Moreover, the cleaning is difficult, the time consumption is long, and the cost is high.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a freezer of stable control temperature of energy saving, reduction frost probability, reduce cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a stable control temperature's freezer, includes the freezer, freezer one side is provided with the air conditioning entry, fixed mounting has shutter frame in the air conditioning entry, install the shutter that can open or close in the shutter frame, still install the evaporimeter in the air conditioning entry, the evaporimeter sets up the shutter outside, there is refrigeration compressor in the air conditioning entry outside through support fixed mounting, refrigeration compressor is just right the evaporimeter sets up.
Therefore, when the refrigeration house needs to refrigerate, the shutter is opened, and the refrigeration compressor and the evaporator act to cool the refrigeration house. When the evaporator needs defrosting, the shutter is closed, the refrigeration compressor stops refrigerating and only blows air, and the ambient temperature is higher than the temperature of frost, so that the frost is melted, excessive frost condensation is avoided, and the cleaning is convenient.
Further, the shutter includes the tripe of mutual overlap joint, the tripe level sets up, the tripe both ends are all rotated through the pivot and are installed on the shutter frame, sliding fit has the rack from top to bottom on the vertical frame of shutter frame, the vertical both sides face of rack all is provided with the teeth of a cogwheel, the pivot that sets up on the tripe corresponds rack fixed mounting and has driven gear, driven gear with the tooth mesh transmission of the teeth of a cogwheel of one side of rack, rotate through the gear shaft in the shutter frame and install the driving gear, the driving gear with the tooth mesh transmission of the opposite side of rack, still be provided with driving motor in the shutter frame, driving motor's output shaft with the coaxial fixed connection of gear shaft that sets up in the middle of the driving gear.
Therefore, the driving motor acts to drive the driving gear to rotate, the driving gear drives the driven gear to rotate through the rack, the rotating shaft is further driven to rotate, the angle of the louver is adjusted, and the louver is opened or closed.
Furthermore, a sealing rubber strip is arranged between the louver frame and the cold air inlet.
Like this, the shutter installation is firm, avoids the ambient gas to get into the freezer, and better messenger's freezer temperature is stable, avoids simultaneously that the frost melts the back and gets into in the freezer.
Further, the driving motor is a stepping motor. The rotation of the shutter can be better adjusted.
Further, a temperature sensor is arranged in the refrigeration house. The temperature of the refrigeration house can be better known, and then the actions of the refrigeration compressor and the evaporator are adjusted.
Furthermore, the refrigeration system also comprises an electric control system, and the temperature sensor, the evaporator, the refrigeration compressor and the driving motor are electrically connected with the electric control system. The stability and the reliability of the whole device are improved.
Further, the evaporator is a surface cooling evaporator.
To sum up, this freezer has from the defrosting function, simple structure, and is with low costs, and control temperature is reliable and stable.
Drawings
Fig. 1 is the structural schematic diagram of the refrigeration storage with temperature controlled stably, wherein the refrigeration compressor and the evaporator are not drawn.
FIG. 2 is a schematic view of a rack and pinion drive for the blind, wherein the blind is in a closed position.
FIG. 3 is a schematic view of a rack and pinion drive of the shutter, wherein the shutter is in an open state.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a freezer of stable control temperature, including freezer 1, freezer 1 one side is provided with the air conditioning entry, fixed mounting has shutter frame 2 in the air conditioning entry, install the shutter that can open or close in the shutter frame 2, still install evaporimeter (not drawn) in the air conditioning entry, the evaporimeter sets up the shutter outside, the air conditioning entry outside has refrigeration compressor (not drawn) through support 3 fixed mounting, refrigeration compressor is just right the evaporimeter sets up.
Therefore, when the refrigeration house needs to refrigerate, the shutter is opened, and the refrigeration compressor and the evaporator act to cool the refrigeration house. When the evaporator needs defrosting, the shutter is closed, the refrigeration compressor stops refrigerating and only blows air, and the ambient temperature is higher than the temperature of frost, so that the frost is melted, excessive frost condensation is avoided, and the cleaning is convenient.
Further, the louver comprises louvers 4 which are mutually overlapped, the louvers 4 are horizontally arranged, two ends of the louver 4 are rotatably installed on the louver frame 2 through a rotating shaft 41, a vertical frame of the louver frame 2 is vertically matched with a rack 5 in a sliding manner, the two vertical side surfaces of the rack 5 are provided with gear teeth, the rotating shaft 41 arranged on the louver 4 is fixedly provided with a driven gear 51 corresponding to the rack 5, the driven gear 51 is engaged with the gear teeth on one side of the rack 5 for transmission, a driving gear 52 is rotatably mounted in the louver frame 2 through a gear shaft, the driving gear 52 is engaged with the gear teeth on the other side of the rack 5 for transmission, a driving motor (not shown) is further arranged in the louver frame 2, an output shaft of the driving motor is coaxially and fixedly connected with a gear shaft arranged in the middle of the driving gear 52.
Therefore, the driving motor acts to drive the driving gear to rotate, the driving gear drives the driven gear to rotate through the rack, the rotating shaft is further driven to rotate, the angle of the louver is adjusted, and the louver is opened or closed.
Furthermore, a sealing rubber strip is arranged between the louver frame 2 and the cold air inlet.
Like this, the shutter installation is firm, avoids the ambient gas to get into the freezer, and better messenger's freezer temperature is stable, avoids simultaneously that the frost melts the back and gets into in the freezer.
Further, the driving motor is a stepping motor. The rotation of the shutter can be better adjusted.
Further, a temperature sensor is arranged in the refrigeration house 1. The temperature of the refrigeration house can be better known, and then the actions of the refrigeration compressor and the evaporator are adjusted.
Furthermore, the refrigeration system also comprises an electric control system, and the temperature sensor, the evaporator, the refrigeration compressor and the driving motor are electrically connected with the electric control system. The stability and the reliability of the whole device are improved.
Further, the evaporator is a surface cooling evaporator.
The working principle and the flow are as follows:
when the freezer needs to refrigerate, open the shutter, refrigeration compressor and evaporimeter action for the freezer cooling. When the evaporator needs defrosting, the shutter is closed, the refrigeration compressor stops refrigerating and only blows air, and the ambient temperature is higher than the temperature of frost, so that the frost is melted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a freezer of stable control temperature, a serial communication port, including the freezer, freezer one side is provided with the air conditioning entry, fixed mounting has shutter frame in the air conditioning entry, install the shutter that can open or close in the shutter frame, still install the evaporimeter in the air conditioning entry, the evaporimeter sets up the shutter outside, there is refrigeration compressor in the air conditioning entry outside through support fixed mounting, refrigeration compressor is just right the evaporimeter sets up.
2. The refrigerator for stably controlling temperature according to claim 1, wherein the louver comprises louver overlapping each other, the louver is horizontally arranged, two ends of the louver are rotatably arranged on the louver frame through rotating shafts, a vertical frame of the louver window frame is vertically matched with a rack in a sliding way, the two vertical side surfaces of the rack are provided with gear teeth, a rotating shaft arranged on the louver is fixedly provided with a driven gear corresponding to the rack, the driven gear is in meshing transmission with the gear teeth on one side of the rack, a driving gear is rotatably arranged in the shutter frame through a gear shaft, the driving gear is meshed with the gear teeth on the other side of the rack for transmission, and a driving motor is further arranged in the louver window frame, and an output shaft of the driving motor is coaxially and fixedly connected with a gear shaft arranged in the middle of the driving gear.
3. The refrigeration house with stable temperature control according to claim 2, wherein a sealing rubber strip is arranged between the louver frame and the cold air inlet.
4. The refrigeration house with stable temperature control according to claim 2, characterized in that the driving motor is a stepping motor.
5. The refrigeration house with the stable temperature control according to claim 4, characterized in that a temperature sensor is arranged in the refrigeration house.
6. The refrigeration house with the stable temperature control according to claim 5, further comprising an electric control system, wherein the temperature sensor, the evaporator, the refrigeration compressor and the driving motor are electrically connected with the electric control system.
7. The refrigeration storage with stable temperature control according to claim 1, characterized in that the evaporator is a surface cooling evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921179894.XU CN210242138U (en) | 2019-07-25 | 2019-07-25 | Freezer of stable control temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921179894.XU CN210242138U (en) | 2019-07-25 | 2019-07-25 | Freezer of stable control temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210242138U true CN210242138U (en) | 2020-04-03 |
Family
ID=69992898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921179894.XU Active CN210242138U (en) | 2019-07-25 | 2019-07-25 | Freezer of stable control temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210242138U (en) |
-
2019
- 2019-07-25 CN CN201921179894.XU patent/CN210242138U/en active Active
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