CN219500751U - Quick cooling's cold-stored show cupboard - Google Patents
Quick cooling's cold-stored show cupboard Download PDFInfo
- Publication number
- CN219500751U CN219500751U CN202223530540.XU CN202223530540U CN219500751U CN 219500751 U CN219500751 U CN 219500751U CN 202223530540 U CN202223530540 U CN 202223530540U CN 219500751 U CN219500751 U CN 219500751U
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- cold air
- evaporator
- control valve
- chamber
- heat exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a refrigerated showcase capable of quickly cooling, wherein a refrigerating chamber is arranged in the interior of the showcase body; the bottom and the side wall of the cabinet body are provided with cold air channels, and the first evaporator is arranged in the cold air channels; a heat pipe storage rack is transversely arranged in the refrigerating chamber, the top of the cabinet body is provided with a refrigerating system, the top of the cabinet body above the refrigerating chamber is provided with a cold air chamber, a cold air blower is arranged in the cold air chamber, an air supply grille is arranged at the bottom of the cold air chamber, and a second evaporator is arranged in the cold air chamber; the side edge of the cold air chamber is communicated with the cold air channel; one end of the compressor, one end of the first control valve and one end of the second control valve are respectively connected to the second evaporator through pipelines, and the other ends of the first control valve and the second control valve are connected in parallel and then are communicated to the condenser through the thermal expansion valve; the utility model can provide the rapid cooling refrigeration showcase which shortens the cooling time of the refrigerated food, improves the refrigeration efficiency and reduces the electric energy consumption.
Description
Technical Field
The utility model belongs to the technical field of equipment, and particularly relates to a refrigeration showcase capable of quickly cooling.
Background
The refrigerated showcase is used for storing foods by generating cold energy, so that the freshness of the foods is guaranteed, and the refrigerated showcase is widely applied in life, in particular to occasions such as supermarkets, shopping malls, convenience stores, restaurants and the like. At present, although the existing refrigerated cabinet can be used for refrigerating food, most refrigerated display cabinets have the defect of slower cooling in the using process, especially in hot summer, the demand of customers for refrigerated beverages and food is large, and the refrigerated beverages and food can not be cooled and refrigerated, so that the sales of refrigerated beverages or other foods needing quick refrigeration are influenced.
Disclosure of Invention
The utility model aims to provide a quick cooling refrigeration showcase which shortens the cooling time of refrigerated foods, improves the refrigeration efficiency and can reduce the electric energy consumption.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the quick cooling refrigeration showcase comprises a case body, a refrigeration chamber and a refrigeration system, wherein the refrigeration chamber is arranged in the case body; the bottom and the side wall of the cabinet body are provided with cold air channels, and a first evaporator is arranged in each cold air channel; the hot pipe storage rack is transversely arranged in the refrigerating chamber, the top of the cabinet body is provided with a refrigerating system, the top of the cabinet body above the refrigerating chamber is provided with a cold air chamber, a cold air blower is arranged in the cold air chamber, an air supply grille is arranged at the bottom of the cold air chamber, and a second evaporator is arranged in the cold air chamber; the side edge of the cold air chamber is communicated with the cold air channel; the refrigerating system comprises a compressor, a first control valve, a second control valve, a hot air fan, a thermal expansion valve and a condenser, wherein one ends of the compressor, the first control valve and the second control valve are respectively connected to the second evaporator through pipelines, the other ends of the first control valve and the second control valve are connected in parallel and then are communicated to the condenser through the thermal expansion valve, and the hot air fan is fixedly arranged on the side wall of the condenser.
As a further development of the utility model, the first evaporator comprises a heat exchange coil and a first heat exchange plate, on which the heat exchange coil is mounted with a serpentine coil.
As a further improvement of the utility model, the second evaporator is of a serpentine coil structure, and more than two groups of fins for enhancing heat exchange are arranged on the surface of the second evaporator.
As a further improvement of the utility model, the heat pipe rack comprises heat pipes, metal wires, a second heat exchange plate, a temperature sensor and positioning buckles, wherein a plurality of groups of heat pipes are fixed on the metal wires side by side.
As a further improvement of the utility model, the heat pipe is connected to the second heat exchange plate in a roundabout way, and a temperature sensor is arranged at the joint of the heat pipe and the metal wire.
As a further improvement of the utility model, positioning buckles are arranged at the two side ends of the metal wire.
As a further improvement of the utility model, a glass cabinet door is also arranged on one side surface of the cabinet body.
As a further improvement of the utility model, the bottom of the cabinet body is also provided with a bottom layer baffle plate.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The refrigeration showcase adopts the fin-tube evaporator and the cold plate type heat exchanger to work in a combined mode, cold air is fully convected in the showcase, the heat pipe storage rack is used for assisting in absorbing heat in the showcase, the heat exchange efficiency is high, and the food cooling speed is high;
(2) The fin tube type evaporator and the cold plate type heat exchanger of the refrigeration display cabinet can work independently, and the fan starts to work when the fan needs to be cooled down rapidly; stopping working when the temperature in the cabinet is maintained, and at the moment, the power consumption of the fan is not required to be consumed, thereby being beneficial to energy saving;
(3) The heat pipe shelf of the refrigeration showcase can absorb heat in the refrigeration chamber during operation, ensures uniform temperature in the refrigeration chamber, and maintains normal electric energy consumption of a refrigeration system without additional electric energy consumption.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an enlarged partial schematic view of the first evaporator of the present utility model.
FIG. 3 is an enlarged view of a portion of a heat pipe rack according to the present utility model.
In the figure: 1. a cabinet body; 2. a refrigerating chamber; 3. a cold air channel; 4. a first evaporator; 5. a heat pipe rack; 6. a second evaporator; 7. a refrigeration system; 8. a compressor; 9. a first control valve; 10. a second control valve; 11. a hot air blower; 12. a thermal expansion valve; 13. a condenser; 14. a cold air chamber; 15. a cold air blower; 16. an air supply grille; 17. a glass cabinet door; 18. a bottom layer separator; 401. a heat exchange coil; 402. a first heat exchange plate; 501. a heat pipe; 502. a wire; 503. a second heat exchange plate; 504. a temperature sensor; 505. and positioning the buckle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: a refrigerated display cabinet capable of rapidly cooling comprises a cabinet body 1, a refrigerating chamber 2 and a refrigerating system 7, wherein the refrigerating chamber 2 is arranged in the cabinet body 1; the bottom and the side wall of the cabinet body 1 are provided with a cold air channel 3, and a first evaporator 4 is arranged in the cold air channel 3; a heat pipe storage rack 5 is transversely arranged in the refrigerating chamber 2, a refrigerating system 7 is connected to the top of the cabinet body 1, a cold air chamber 14 is arranged at the top of the cabinet body 1 above the refrigerating chamber 2, a cold air blower 15 is arranged in the cold air chamber 14, an air supply grid 16 is arranged at the bottom of the cold air chamber 14, and a second evaporator 6 is arranged in the cold air chamber 14; the side edge of the cold air chamber 14 is communicated with the cold air channel 3; the refrigerating system 7 comprises a compressor 8, a first control valve 9, a second control valve 10, a hot air fan 11, a thermal expansion valve 12 and a condenser 13, wherein one ends of the compressor 8, the first control valve 9 and the second control valve 10 are respectively connected to the second evaporator 6 through pipelines, the other ends of the first control valve 9 and the second control valve 10 are connected in parallel and then are communicated with the condenser 13 through the thermal expansion valve 12, and the hot air fan 11 is fixedly arranged on the side wall of the condenser 13.
The first evaporator 4 comprises a heat exchange coil 401 and a first heat exchange plate 402, wherein the heat exchange coil 401 is arranged on the first heat exchange plate 402 in a winding way, the second evaporator 6 is of a serpentine coil structure, and more than two groups of fins for enhancing heat exchange are arranged on the surface of the second evaporator.
The heat pipe rack 5 comprises heat pipes 501, metal wires 502, a second heat exchange plate 503, a temperature sensor 504 and a positioning buckle 505, wherein a plurality of groups of heat pipes 501 are fixed on the metal wires 502 side by side; the heat pipe 501 is connected to the second heat exchange plate 503 in a roundabout way, and a temperature sensor 504 is installed at the junction of the heat pipe 501 and the metal wire 502; the two side ends of the wire 502 are provided with positioning buckles 505.
A glass cabinet door 17 is also arranged on one side surface of the cabinet body 1; the bottom layer separator 18 is also provided at the inner bottom of the cabinet 1.
The working medium outlet of the condenser 13 is connected with the inlet of the thermostatic expansion valve 12 through a pipeline; the thermal expansion valve 12 is used for adjusting the flow rate of the working medium and reducing the pressure of the working medium; the inlet of the first control valve 9 is connected with the outlet of the thermostatic expansion valve 12 through a pipeline, and the outlet of the first control valve 9 is connected with the first evaporator 4; the inlet of the second control valve 10 is connected with the outlet of the thermal expansion valve 12 through a pipeline, the outlet of the second control valve 10 is connected with the second evaporator 6, and the second evaporator 6 is arranged in the cold air chamber 14;
when the equipment specifically works, the refrigeration system of the technical scheme comprises a compressor for compressing gaseous working medium, a condenser for radiating heat to the environment, a thermal expansion valve for adjusting the flow and the pressure of the working medium, a first control valve and a second control valve for controlling the flow of the working medium, and a first evaporator and a second evaporator for absorbing the heat of a refrigerating chamber; the heat exchange coil is arranged in a serpentine manner by adopting a metal light pipe, the first heat exchange plate is a metal flat plate and is connected with the heat exchange coil, and the temperature of the first heat exchange plate is reduced through the heat exchange coil.
The inside of the refrigeration display cabinet adopts a finned tube evaporator and a cold plate type heat exchanger, cold air is uniformly and rapidly flowed in the refrigeration chamber by a cold air fan 15, and finally flows back to the cold air chamber through a cold air channel, so that the rapid cooling of the refrigeration chamber is realized; the evaporation section of the heat pipe is provided with metal wires which are uniformly arranged, so that the heat exchange of the evaporation section of the heat pipe is enhanced, and the food is supported; the temperature sensor is arranged on the metal wire and used for monitoring the temperature in the refrigerating chamber; the heat pipe commodity shelf is fixed on the side wall of the cabinet body through the positioning buckle, thereby being beneficial to convenient installation and adjusting the installation height according to the required object placing space.
A cold air blower 15 is further arranged in the cold air chamber 14, an air supply grid 16 is arranged below the cold air blower 15 and used for uniformly and rapidly flowing cold air in the refrigerating chamber 2, and finally, the cold air is blown to a bottom partition 18 and flows back to the cold air chamber 14 through the cold air channel 3, so that the refrigerating chamber 2 is rapidly cooled.
The heat pipe rack is used for placing food on one hand and is used for sequentially conveying heat of the refrigerating chamber to the second heat exchange plate, the first heat exchange plate and the first evaporator on the other hand, so that the inside of the refrigerating chamber is ensured to be maintained at a set refrigerating temperature.
The heat pipe rack can work independently, absorb the heat in the refrigerating chamber and ensure the temperature in the cold field chamber to be uniform; the first evaporator and the second evaporator can work in an optimal mode according to the actual requirement of the refrigerating chamber; when the refrigerating chamber needs to be cooled down rapidly, the first evaporator and the second evaporator work in a combined mode, cold air flows in the cabinet fully, the heat pipe rack assists in absorbing heat in the cabinet, the heat exchange efficiency is high, and the cooling speed of the refrigerating chamber is high; when the refrigerating chamber needs to be maintained at the set temperature, the first evaporator works independently, and the second evaporator stops working, so that the temperature of the refrigerating chamber is conveniently maintained, and meanwhile, energy conservation is realized.
Meanwhile, after absorbing heat, the working medium becomes low-pressure gaseous working medium after passing through the first evaporator 4 and the second evaporator 6, and flows to the inlet of the compressor 8 through the pipeline to perform the compression process of the gaseous working medium again.
As the heat exchange proceeds, the temperature within the refrigerated compartment continues to decrease. When the temperature in the refrigeration compartment reaches the set point, it is indicated that the temperature in the refrigeration compartment has fallen to the target temperature. At this time, the second control valve 10 is closed, and the cool air blower 15 is simultaneously turned off. The second evaporator 6 stops running, the first evaporator 4 continues to maintain running, the refrigerating system is in a low-speed running mode, and the temperature in the refrigerating chamber is maintained to be uniform through the heat in the refrigerating chamber absorbed by the heat pipe storage rack 5. The thermal expansion valve 12 adjusts the flow rate and pressure of the working medium flowing through the pipeline according to the set refrigeration temperature, so as to adjust the heat absorption capacity of the first evaporator 4 and the second evaporator 6, and achieve the purpose of quickly reducing the temperature of the refrigeration chamber 2 and maintaining the refrigeration temperature at the set refrigeration temperature.
The equipment work flow comprises the following steps: food is placed in the refrigeration showcase first, and the temperature in the refrigeration room is raised. The temperature sensor 504 monitors that the temperature of the refrigerating chamber 2 exceeds a set value, the refrigerating system starts to be started, at the moment, the first control valve 9 is opened, the second control valve 10 is opened, the hot air blower 11 and the cold air blower 15 are sequentially started, and the compressor 8 is started; the low-pressure gaseous working medium is changed into high-temperature high-pressure gaseous working medium through compression, the high-temperature high-pressure gaseous working medium enters the condenser 13 through a pipeline to exchange heat with the air in the compressor chamber 7 sufficiently, heat is released to the air in the compressor chamber 7, and the air absorbing the heat is discharged to the environment under the action of the hot air fan 11. At the same time, the high-temperature and high-pressure gaseous working medium in the condenser 13 releases heat to cool and condense, and becomes liquid working medium. Under the action of the internal pressure of the pipeline, the liquid working medium flows through the thermal expansion valve 12 to become gas-liquid two-phase fluid, which is divided into two parts: a part of fluid enters the first evaporator 4 through the first control valve 9, and the heat in the refrigerating chamber absorbed by the heat pipe rack 5 is taken away through the first heat exchange plate 402, so that the aim of reducing the temperature in the refrigerating chamber is fulfilled; the other part of fluid enters the second evaporator 6 through the second control valve 10, and cooled cold air is blown into the refrigerating chamber through the effect of the cold air fan 15 to absorb heat in the refrigerating chamber, so that the refrigerating chamber 2 is cooled rapidly. The air after absorbing heat passes through the bottom partition 18, passes through the cold air channel 3, exchanges heat with the first evaporator 4 and the second evaporator 6 in sequence, flows back to the cold air chamber 14 after the temperature is reduced, and is blown into the refrigerating chamber again.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a refrigerated display cabinet of rapid cooling, includes cabinet body (1), walk-in (2) and refrigerating system (7), its characterized in that: a refrigerating chamber (2) is arranged in the cabinet body (1); the bottom and the side wall of the cabinet body (1) are provided with a cold air channel (3), and a first evaporator (4) is arranged in the cold air channel (3); a heat pipe storage rack (5) is transversely arranged in the refrigerating chamber (2), a refrigerating system (7) is connected to the top of the cabinet body (1), a cold air chamber (14) is arranged at the top of the cabinet body (1) above the refrigerating chamber (2), a cold air fan (15) is arranged in the cold air chamber (14), an air supply grid (16) is arranged at the bottom of the cold air chamber (14), and a second evaporator (6) is arranged in the cold air chamber (14); the side edge of the cold air chamber (14) is communicated with the cold air channel (3); refrigerating system (7) are including compressor (8), first control valve (9), second control valve (10), hot-blast fan (11), thermostatic expansion valve (12) and condenser (13), on compressor (8), first control valve (9) and second control valve (10) one end are connected to second evaporimeter (6) through the pipeline respectively, communicate after the other end of first control valve (9) and second control valve (10) is parallelly connected through thermostatic expansion valve (12) condenser (13), the lateral wall fixed mounting of condenser (13) has hot-blast fan (11).
2. A refrigerated display cabinet having a rapid cooling as recited in claim 1, wherein: the first evaporator (4) comprises a heat exchange coil (401) and a first heat exchange plate (402), and the heat exchange coil (401) is arranged on the first heat exchange plate (402) in a roundabout serpentine shape.
3. A refrigerated display cabinet having a rapid cooling as recited in claim 1, wherein: the second evaporator (6) is of a serpentine coil structure, and more than two groups of fins for enhancing heat exchange are arranged on the surface of the second evaporator.
4. A refrigerated display cabinet having a rapid cooling as recited in claim 1, wherein: the heat pipe commodity shelf (5) comprises heat pipes (501), metal wires (502), a second heat exchange plate (503), a temperature sensor (504) and positioning buckles (505), wherein a plurality of groups of heat pipes (501) are fixed on the metal wires (502) side by side.
5. The quick cooling refrigerated display cabinet of claim 4 wherein: the heat pipe (501) is connected to the second heat exchange plate (503) in a roundabout manner, and a temperature sensor (504) is installed at the junction of the heat pipe (501) and the wire (502).
6. The quick cooling refrigerated display cabinet of claim 4 wherein: positioning buckles (505) are arranged at the two side ends of the metal wire (502).
7. A refrigerated display cabinet having a rapid cooling as recited in claim 1, wherein: a glass cabinet door (17) is also arranged on one side surface of the cabinet body (1).
8. A refrigerated display cabinet having a rapid cooling as recited in claim 1, wherein: the inner bottom of the cabinet body (1) is also provided with a bottom layer baffle plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530540.XU CN219500751U (en) | 2022-12-29 | 2022-12-29 | Quick cooling's cold-stored show cupboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530540.XU CN219500751U (en) | 2022-12-29 | 2022-12-29 | Quick cooling's cold-stored show cupboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219500751U true CN219500751U (en) | 2023-08-11 |
Family
ID=87528441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223530540.XU Active CN219500751U (en) | 2022-12-29 | 2022-12-29 | Quick cooling's cold-stored show cupboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219500751U (en) |
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2022
- 2022-12-29 CN CN202223530540.XU patent/CN219500751U/en active Active
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