CN220442350U - Cold and hot combined supply showcase system - Google Patents
Cold and hot combined supply showcase system Download PDFInfo
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- CN220442350U CN220442350U CN202320706803.3U CN202320706803U CN220442350U CN 220442350 U CN220442350 U CN 220442350U CN 202320706803 U CN202320706803 U CN 202320706803U CN 220442350 U CN220442350 U CN 220442350U
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- cold
- pipeline
- condenser
- hot
- evaporator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 20
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000004781 supercooling Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to the technical field of display cabinets, in particular to a cold and hot combined supply display cabinet system which comprises a cabinet body, wherein an evaporator, a compressor and a condenser are sequentially arranged in the cabinet body, the evaporator, the compressor and the condenser form a circulating pipeline, a hot room and a cold room are arranged in the cabinet body, the condenser is positioned in the hot room, the evaporator is positioned in the cold room, and a water receiving box is arranged at the bottom of the cabinet body. In the cold and hot combined display cabinet system, different loops are regulated and controlled through the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve. At this time, part of refrigerant is introduced into the heat regenerator and the cooling coil by adjusting the amount of the refrigerant entering the evaporator, the refrigerant introduced into the heat regenerator exchanges heat with the refrigerant at the outlet of the condenser, the supercooling degree is improved, the system efficiency is improved, and the compressed high-temperature high-pressure refrigeration is preferentially introduced into the water receiving box coil, so that the water in the water receiving box is heated, the temperature of the water receiving box is reduced, and then the water receiving box is introduced into the condenser, and the temperature entering the hot room is reduced.
Description
Technical Field
The utility model relates to the technical field of display cabinets, in particular to a cold and hot combined supply display cabinet system.
Background
Conventionally, a showcase is known as a showcase for cooling a commodity placed on a commodity shelf to a desired temperature state.
The patent display case with publication number CN112237357a can reduce the amount of frost formation in the evaporator. Display cabinet comprising the following steps: a storage chamber (14) in which a multi-layered commodity shelf (19) is provided along the up-down direction on the front side of a back plate (12 a) extending along the up-down direction; an air supply fan (18) for circulating air between a ventilation path (15) connected to the storage chamber and the storage chamber through an air outlet (17) opened at the front upper part of the storage chamber and an air inlet (16) opened at the front lower part of the storage chamber; and an evaporator (20) provided in the ventilation path and cooling air passing through the ventilation path, wherein the interior atmosphere of the storage chamber is cooled to cool the commodity placed on the commodity placement rack to a desired temperature state, and the refrigerator (21) is provided on the upstream side of the evaporator in the air passing direction in the ventilation path and cools air passing around the evaporator to a temperature lower than that of the air passing through the suction port and at 0 ℃ or higher.
Although the technical scheme can reduce the frosting quantity in the evaporator, the display cabinet adopts a single refrigeration or single heating mode and also has a cold-hot conversion mode, so that the simultaneous refrigeration and heating can not be realized. When different goods are displayed by customers, two kinds of display cabinets are needed to be prepared or the goods are needed to be replaced during cold-hot conversion, so that the convenience is high, the refrigerating and heating effects of the conventional display cabinets are not good enough, and the efficiency is low.
Disclosure of Invention
The utility model aims to provide a cold and hot combined display cabinet system, which aims to solve the problem that the display cabinet provided in the background technology adopts a single refrigeration or single heating mode and also has a cold and hot conversion mode, and can not realize simultaneous refrigeration and heating.
In order to achieve the above purpose, the utility model provides a cold and hot combined supply showcase system, which comprises a case body, wherein an evaporator, a compressor and a condenser are sequentially arranged in the case body, the evaporator, the compressor and the condenser form a circulating pipeline, a hot room and a cold room are arranged in the case body, the condenser is positioned in the hot room, the evaporator is positioned in the cold room, a water receiving box is arranged at the bottom of the case body, and a water receiving box coil pipe is arranged in the water receiving box.
Preferably, a temperature sensor and a fan are arranged in the hot room and the cold room.
Preferably, the water receiving box coil pipe is connected with the output end of the compressor through a pipeline, a first electromagnetic valve is arranged on the pipeline, and a temperature sensor in the hot room is electrically connected with the first electromagnetic valve.
Preferably, a capillary tube is arranged on a pipeline between the condenser and the evaporator, a heat regenerator is arranged on a pipeline between the capillary tube and the condenser, two other pipelines, namely a heat regeneration pipeline and a cooling pipeline, are further connected between an output port of the capillary tube and the compressor, a second electromagnetic valve is arranged in the heat regeneration pipeline, a third electromagnetic valve is arranged in the cooling pipeline, the heat regeneration pipeline passes through the heat regenerator, a cooling coil is further arranged on the cooling pipeline, and the cooling coil is attached to the outer wall of the compressor.
Preferably, a delay sensor is further installed in the cold room, and the third electromagnetic valve is electrically connected with the delay sensor.
Preferably, the regenerator has two channels inside, one for the passage of the line between the capillary tube and the condenser and the other for the passage of the regenerator line.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the cold and hot combined supply showcase system, different loops are regulated and controlled through the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, so that the purposes of regulating heat, prolonging the service life of a compressor and improving the efficiency of the system are achieved.
2. In this cold and hot combined supply show cupboard system, through the refrigerant quantity that adjusts the entering evaporimeter this moment, in letting in regenerator and cooling coil pipe with partial refrigerant, the refrigerant that lets in the regenerator carries out the heat exchange with the refrigerant of condenser export, improves the supercooling degree, improves system efficiency, through the high temperature high pressure refrigeration priority that will compress lets in the water receiving box coil pipe, lets in the condenser again after reducing self temperature when heating water receiving box normal water, reduces the temperature that gets into the hot room.
Drawings
FIG. 1 is a schematic structural diagram of the working principle of the present utility model;
fig. 2 is a schematic view of the internal structure of the cabinet of the present utility model.
The meaning of each reference sign in the figure is:
1. a condenser; 2. a water receiving box coil; 3. a first electromagnetic valve; 4. a regenerator; 5. a second electromagnetic valve; 6. a capillary tube; 7. a third electromagnetic valve; 8. an evaporator; 9. a cooling coil; 10. a compressor; 11. a cabinet body; 111. a water receiving box; 112. a thermal compartment; 113. a cold room; 114. a temperature sensor; 115. a blower; 116. a time delay sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
The utility model provides a cold and hot combined supply showcase system, which is shown in fig. 1-2, and comprises a cabinet body 11, wherein an evaporator 8, a compressor 10 and a condenser 1 are sequentially arranged in the cabinet body 11, the evaporator 8, the compressor 10 and the condenser 1 form a circulating pipeline, a hot room 112 and a cold room 113 are arranged in the cabinet body 11, the condenser 1 is positioned in the hot room 112, the evaporator 8 is positioned in the cold room 113, a water receiving box 111 is arranged at the bottom of the cabinet body 11, a water receiving box coil pipe 2 is arranged in the water receiving box 111 and used for heating defrosting water in the water receiving box 111, a PLC (programmable logic controller) singlechip is arranged in the cabinet body 11, when the temperature of the hot room 112 exceeds a set temperature, the PLC singlechip controls a first electromagnetic valve 3 to be opened, high-temperature and high-pressure refrigerant discharged by the compressor 10 firstly passes through the water receiving box coil pipe 112 and then enters the condenser 1, heat entering the hot room 112 is reduced, and natural convection cooling of air is also possible when water does not exist in the water receiving box 111.
In this embodiment, the temperature sensor 114 and the fan 115 are installed in the hot compartment 112 and the cold compartment 113, the fans 115 in the hot compartment 112 and the cold compartment 113 are respectively a condensing fan and an evaporating fan, the heat of the condenser 1 is blown to the hot compartment 112 by the condensing fan, and the cold compartment 113 is cooled by the evaporating fan blowing through the evaporator 8.
Specifically, the water receiving box coil 2 is connected to the output end of the compressor 10 through a pipeline, the first electromagnetic valve 3 is installed on the pipeline, and the temperature sensor 114 inside the thermal chamber 112 is electrically connected to the first electromagnetic valve 3.
Further, install capillary 6 on the pipeline between condenser 1 and the evaporimeter 8, install regenerator 4 on the pipeline between capillary 6 and the condenser 1, still be connected with two other pipelines between the output port of capillary 6 and the compressor 10, be regenerator pipe and cooling pipeline respectively, install second solenoid valve 5 in the regenerator pipe, install third solenoid valve 7 in the cooling pipeline, the regenerator pipe passes through regenerator 4, still install cooling coil 9 on the cooling pipeline, cooling coil 9 laminating is on the outer wall of compressor 10, cooling coil 9 is located around compressor 10, guarantee the cooling of compressor 10, when cold room 113 temperature exceeds the setting temperature excessively low, PLC singlechip control second solenoid valve 5 is opened, low temperature low pressure refrigerant gets into the regenerator 4 after the capillary 6 throttle and exchanges heat with condenser 1 export high pressure refrigerant, improve system supercooling degree when reducing the cold volume of refrigerant in the evaporimeter 8, promote system efficiency.
Further, a delay sensor 116 is further installed in the cold room 113, the third electromagnetic valve 7 is electrically connected with the delay sensor 116, when the temperature in the cold room 113 is still lower than the target temperature after the second electromagnetic valve 5 is opened, the delay sensor 116 acts, the third electromagnetic valve 7 is controlled to be opened through the PLC singlechip, and low-temperature low-pressure refrigerant enters the cooling coil 9 to cool the compressor 10. While the temperature of the cold room 113 is adjusted, the operation condition of the compressor 10 is improved and the service life is prolonged.
Further, the regenerator 4 has two channels inside, one channel is used for the pipeline between the capillary tube 6 and the condenser 1 to pass through, and the other channel is used for the regenerative pipeline to pass through, so that heat exchange is facilitated.
When the cold and hot combined display cabinet system is used, firstly, refrigerant is evaporated in the evaporator 8 to absorb heat, compressed by the compressor 10, condensed and released heat enters the condenser 1 and then enters the regenerator 4, the heat returns to the evaporator 8 through the capillary tube 6 to complete refrigeration cycle, the heat of the condenser 1 is blown to the hot compartment 112 through the condensing fan, and the cold compartment 113 is cooled by the evaporating fan blowing through the evaporator 8;
when the cooling capacity demand is large, defrosting water in the water receiving box 111 is increased, heat reaching the condenser 1 after being compressed by the compressor 10 is also increased, the first electromagnetic valve 3 controlled at the moment is opened, the compressed high-temperature high-pressure refrigerant is preferentially introduced into the water receiving box coil pipe 2, the water in the water receiving box 111 is heated, the temperature of the water receiving box 111 is reduced, and then the water is introduced into the condenser 1, so that the temperature entering the hot room 112 is reduced; when the heat demand increases, the cooling capacity reaching the evaporator 8 after being throttled by the capillary tube 6 also increases, at the moment, the amount of the refrigerant entering the evaporator 8 is adjusted by adjusting the second electromagnetic valve 5 and the third electromagnetic valve 7, part of the refrigerant is introduced into the heat regenerator 4 and the cooling coil 9 through the heat regeneration pipeline and the cooling pipeline, the refrigerant introduced into the heat regenerator 4 exchanges heat with the refrigerant at the outlet of the condenser 1, the supercooling degree is improved, the system efficiency is improved, the refrigerant entering the cooling coil 9 reduces the running temperature of the compressor 10, and the service life of the compressor 10 is prolonged.
Finally, it should be noted that, in the embodiment, the evaporator 8, the compressor 10, the condenser 1, etc., the electronic components in the above components are all common standard components or components known to those skilled in the art, the structure and principle thereof are all known by those skilled in the art through technical manuals or known through routine experiment methods, all the above electrical components are connected through wires at the idle position of the device, and the specific connection means should refer to the sequence of operation between the electrical components in the working principle to complete the electrical connection, which is known in the art.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a cold and hot allies oneself with confession show cupboard system, includes the cabinet body (11), its characterized in that: the novel water-receiving cabinet is characterized in that an evaporator (8), a compressor (10) and a condenser (1) are sequentially arranged inside the cabinet body (11), the evaporator (8), the compressor (10) and the condenser (1) form a circulating pipeline, a hot room (112) and a cold room (113) are arranged inside the cabinet body (11), the condenser (1) is located inside the hot room (112), the evaporator (8) is located inside the cold room (113), a water-receiving box (111) is arranged at the bottom of the cabinet body (11), and a water-receiving box coil (2) is arranged inside the water-receiving box (111).
2. The cold and hot combined display case system according to claim 1, wherein: a temperature sensor (114) and a fan (115) are arranged in each of the hot compartment (112) and the cold compartment (113).
3. The cold and hot combined display case system according to claim 1, wherein: the water receiving box coil pipe (2) is connected with the output end of the compressor (10) through a pipeline, a first electromagnetic valve (3) is arranged on the pipeline, and a temperature sensor (114) in the hot chamber (112) is electrically connected with the first electromagnetic valve (3).
4. The cold and hot combined display case system according to claim 1, wherein: install capillary (6) on the pipeline between condenser (1) and evaporator (8), install regenerator (4) on the pipeline between capillary (6) and condenser (1), still be connected with two other pipelines between output port and the compressor (10) of capillary (6), be backheating pipeline and cooling pipeline respectively, install second solenoid valve (5) in the backheating pipeline, install third solenoid valve (7) in the cooling pipeline, backheating pipeline passes through regenerator (4), still install cooling coil (9) on the cooling pipeline, cooling coil (9) laminating is on the outer wall of compressor (10).
5. The cold and hot combined display case system according to claim 4, wherein: and a time delay sensor (116) is also arranged in the cold room (113), and the third electromagnetic valve (7) is electrically connected with the time delay sensor (116).
6. The cold and hot combined display case system according to claim 4, wherein: two channels are arranged in the heat regenerator (4), one channel is used for the pipeline between the capillary tube (6) and the condenser (1) to pass through, and the other channel is used for the heat regeneration pipeline to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706803.3U CN220442350U (en) | 2023-04-03 | 2023-04-03 | Cold and hot combined supply showcase system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706803.3U CN220442350U (en) | 2023-04-03 | 2023-04-03 | Cold and hot combined supply showcase system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220442350U true CN220442350U (en) | 2024-02-06 |
Family
ID=89733094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320706803.3U Active CN220442350U (en) | 2023-04-03 | 2023-04-03 | Cold and hot combined supply showcase system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220442350U (en) |
-
2023
- 2023-04-03 CN CN202320706803.3U patent/CN220442350U/en active Active
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