CN219454439U - Binary channels refrigeration heating all-in-one - Google Patents
Binary channels refrigeration heating all-in-one Download PDFInfo
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- CN219454439U CN219454439U CN202320685406.2U CN202320685406U CN219454439U CN 219454439 U CN219454439 U CN 219454439U CN 202320685406 U CN202320685406 U CN 202320685406U CN 219454439 U CN219454439 U CN 219454439U
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Abstract
The utility model discloses a double-channel refrigeration and heating integrated machine, which comprises double refrigeration modules, wherein a water tank is arranged at one side of each refrigeration module, the water tank is connected with an inner circulation waterway and an outer circulation waterway, the inner circulation waterway comprises a second circulating water pump connected with the outlet end of the water tank, and the outlet end of the second circulating water pump is in heat exchange with the refrigeration module on a loop communicated with the inlet end of the water tank; the external circulation waterway comprises a first circulating water pump connected with the outlet end of the water tank, and a test bench is arranged on a loop of which the outlet end of the first circulating water pump is communicated with the inlet end of the water tank. The beneficial effects of the utility model are as follows: through two refrigeration modules and the internal and external circulation water routes that adapt with it, in passing through the cold volume transfer to the water tank in the internal circulation water route in with the refrigeration module to the rethread external circulation water route is passed the coolant liquid and is passed in the testboard, provides the coolant liquid of suitable temperature for the testboard and satisfies the needs of test environment.
Description
Technical Field
The utility model relates to the technical field of refrigeration and heating, in particular to a double-channel refrigeration and heating integrated machine.
Background
The cold and hot integrated machine is divided into two parts: a heating portion and a cooling portion. The cold and hot integrated machine has accurate temperature control, can be used in industries such as new energy, semiconductors and the like, and can be used for procedures such as temperature test on a new energy battery. The cold and hot integrated machine can realize the control of output temperature to simulate the temperature change of the actual new energy battery during use, thereby meeting the different temperatures required by the test.
In order to adapt to the testing of a PACK module of a new energy battery, in order to provide the temperature required by the testing, the temperature simulation is generally carried out through a single-channel cold and hot integrated machine in the prior art, but single-channel equipment can only provide one temperature and cannot meet the use of practical conditions, and therefore, the dual-channel refrigerating and heating integrated machine is provided for solving the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a double-channel refrigerating and heating integrated machine.
The aim of the utility model is achieved by the following technical scheme:
the double-channel refrigeration and heating integrated machine comprises double refrigeration modules, wherein a water tank is arranged on one side of each refrigeration module, the water tank is connected with an internal circulation waterway and an external circulation waterway, the internal circulation waterway comprises a second circulating water pump connected with the outlet end of the water tank, and the outlet end of the second circulating water pump is in heat exchange with the refrigeration module on a loop communicated with the inlet end of the water tank; the external circulation waterway comprises a first circulating water pump connected with the outlet end of the water tank, a test bench is arranged on a loop of which the outlet end of the first circulating water pump is communicated with the inlet end of the water tank, and a heater for heating and a first temperature sensor for temperature monitoring are arranged inside the water tank.
Preferably, the refrigerating module comprises a compressor and an evaporator, and the output end of the compressor and the input end of the evaporator are sequentially connected with a condenser, a dryer and an expansion valve through pipelines.
Preferably, protection components are arranged on the pipelines between the dryer and the expansion valve and on the loops between the evaporator and the compressor, and a liquid viewing mirror for observation is also arranged on the pipelines between the dryer and the expansion valve.
Preferably, the protection assembly comprises a pressure gauge mounted on the pipeline for detecting pressure and a pressure protection switch for pressure protection.
Preferably, a first electromagnetic valve is arranged between the pipelines of the dryer and the expansion valve, a heating pipeline is further arranged between the outlet of the compressor and the inlet of the evaporator, and a second electromagnetic valve is arranged on the heating pipeline.
Preferably, the outlet end of the compressor is further provided with an oil separator, and one outlet of the oil separator is connected with the inlet of the compressor.
Preferably, an over-temperature protector is arranged in the water tank.
Preferably, detection components are arranged between the first circulating water pump and the passage of the test bench and between the test bench and the inlet end of the water tank, and the detection components comprise a second temperature sensor and a pressure detector.
Preferably, a flowmeter is arranged between the first circulating water pump and the passage connected with the test bench.
The utility model has the following advantages:
1. according to the utility model, the cooling capacity in the refrigerating modules is transferred to the water tank through the two refrigerating modules and the internal and external circulating waterways which are matched with the two refrigerating modules, so that the cooling liquid is transferred to the test bench through the external circulating waterways, the test bench is provided with the cooling liquid to meet the requirement of a test environment, the heating device is used for heating the cooling liquid in the water tank, the heated cooling liquid is transferred to the second circulating water pump through the external circulating waterways to meet the requirement of high temperature, and the double refrigerating modules are used for realizing different test temperature requirements on the two test benches.
2. The utility model protects the loop through the protection component, and prevents equipment damage caused by excessive pressure.
Drawings
FIG. 1 is a general workflow diagram of the present utility model.
In the figure, 11, a compressor; 12. a condenser; 13. a dryer; 14. an expansion valve; 15. an evaporator; 16. an oil separator; 17. a protection component; 171. a pressure gauge; 172. a pressure protection switch; 18. a liquid viewing mirror; 19. a first electromagnetic valve; 20. a second electromagnetic valve; 2. a water tank; 3. a first circulating water pump; 4. a flow meter; 5. a test bench; 6. a second circulating water pump; 7. a heater; 8. an overtemperature protector; 9. a first temperature sensor; 10. a detection assembly; 101. a second temperature sensor; 102. a pressure detector.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
As in the embodiment shown in figure 1 of the drawings,
the double-channel refrigeration and heating integrated machine comprises double refrigeration modules, wherein a water tank 2 is arranged on one side of each refrigeration module, the water tank 2 is connected with an internal circulation waterway and an external circulation waterway, the internal circulation waterway comprises a second circulating water pump 6 connected with the outlet end of the water tank 2, and the outlet end of the second circulating water pump 6 is in heat exchange with the refrigeration module on a loop communicated with the inlet end of the water tank 2; the external circulation waterway comprises a first circulating water pump 3 connected with the outlet end of the water tank 2, a test bench 5 is arranged on a loop of the outlet end of the first circulating water pump 3 communicated with the inlet end of the water tank 2, and a heater 7 for heating and a first temperature sensor 9 for temperature monitoring are arranged inside the water tank 2.
Referring to fig. 1, the cold energy generated by the refrigerating assembly is transferred to the cooling liquid conveyed by the second circulating water pump 6 through heat conversion, then the cooling liquid absorbing the cold energy flows into the water tank 2 again, so as to realize cooling and cooling of the cooling liquid in the water tank 2, and the cooling liquid in the water tank 2 is conveyed to the test bench 5 through the first circulating water pump 3, so that the cooling energy is provided for the test bench 5, the actual requirement is met, and the cooling liquid can be conveyed to the water tank 2 again after passing through the test bench 5; when the temperature of the test bench 5 is required to be increased, the heater 7 in the water tank 2 is started, the cooling liquid in the water tank 2 is heated through the heater 7, the cooling liquid with the increased temperature is conveyed to the test bench 5 through the first circulating water pump 3 after being heated, so that the requirement of the test bench 5 on the high temperature is met, the cooling liquid flows into the water tank 2 again after passing through the test bench 5 to form a loop, an external water source is not required in the whole process of providing the low-temperature or high-temperature cooling liquid, the cooling liquid in the water tank 2 is recycled, and the two test benches 5 are provided with low-temperature or high-temperature cooling liquid through the two groups of refrigerating modules, the two water tanks 2, the second circulating water pump 6 and the first circulating water pump 3, so that the test benches 5 with different temperature requirements are provided with corresponding temperatures, and the temperature change in the water tank 2 can be monitored in real time.
In this embodiment, the heater 7 may have an electric heating element such as an electric heating wire or an electric heating rod.
The refrigerating module comprises a compressor 11 and an evaporator 15, and the output end of the compressor 11 and the input end of the evaporator 15 are sequentially connected with a condenser 12, a dryer 13 and an expansion valve 14 through pipelines.
The part is a main component of the refrigeration module, and specific functions can refer to the working principle of air conditioner refrigeration or other refrigeration equipment, and detailed description is omitted here.
A protection component 17 is arranged on the pipeline between the dryer 13 and the expansion valve 14 and the circuit between the evaporator 15 and the compressor 11, and a liquid-viewing mirror 18 for observation is also arranged on the pipelines of the dryer 13 and the expansion valve 14.
The protection assembly 17 includes a pressure gauge 171 mounted on the pipe for detecting pressure and a pressure protection switch 172 for pressure protection.
The pressure gauge 171 positioned between the dryer 13 and the expansion valve 14 displays the pressure in the pipeline, the pressure gauge 171 positioned on the circuit of the compressor 11 displays the pressure in the circuit pipeline, and the pressure gauge 171 and the pressure gauge protect the pipeline through the pressure protection switch 172, so that the pipeline is prevented from being damaged by excessive pressure, and the function of protecting equipment is realized; the state of the refrigerant in the pipe is observed by the liquid mirror 18, and whether or not the refrigerant needs to be added is checked by the observation.
A first electromagnetic valve 19 is arranged between the pipelines of the dryer 13 and the expansion valve 14, a heating pipeline is also arranged between the outlet of the compressor 11 and the inlet of the evaporator 15, and a second electromagnetic valve 20 is arranged on the heating pipeline.
The compressor 11 needs to not stop working for a long time, heat generated by the compressor is wasted, when refrigeration is not needed, the first electromagnetic valve 19 is closed at the moment, the second electromagnetic valve 20 is opened, the high-temperature and high-pressure refrigerant generated by the compressor 11 is heated by the fact that the first electromagnetic valve 19 is closed, the second electromagnetic valve 20 is opened, the high-temperature and high-pressure refrigerant does not enter the condenser 12 any more, the high-temperature and high-pressure refrigerant enters the evaporator 15 along the route where the second electromagnetic valve 20 is located, the heat of the conveyed cooling liquid is exchanged in the evaporator 15 through the second circulating water pump 6, the heat of the high-temperature and high-pressure refrigerant is transferred into the cooling liquid conveyed by the second circulating water pump 6, the cooling liquid after absorbing the heat is returned to the water tank 2 again, and therefore the temperature of the cooling liquid of the water tank 2 is increased, dependence on heating of the heater 7 is reduced, energy is saved, and the heat generated by the compressor 11 is not wasted.
The outlet end of the compressor 11 is further provided with an oil separator 16, one of the outlets of the oil separator 16 being connected to the inlet of the compressor 11.
The lubricating oil present in the high-temperature and high-pressure refrigerant sent from the compressor 11 is separated by the oil separator 16, and the separated oil is sent again to the compressor 11.
The internally mounted of water tank 2 is provided with super temperature protector 8, in order to prevent that coolant temperature in water tank 2 from rising and causing the damage to equipment, protects equipment through super temperature protector 8, after the temperature rises and surpasses the predetermined value, super temperature protector 8 can cut off the power or make this equipment shut down and overhaul to can carry out safety in production, reduce the risk.
Detection assemblies 10 are arranged between the first circulating water pump 3 and the passage of the test bench 5 and between the test bench 5 and the inlet end of the water tank 2, and the detection assemblies 10 comprise a second temperature sensor 101 and a pressure detector 102.
By arranging the detection assembly 10 between the first circulating water pump 3 and the test bench 5 and between the test bench 5 and the loop of the water tank 2, the pressure and the temperature of the cooling liquid in the pipeline are detected by the detection assembly 10, so that whether the temperature entering the test bench 5 reaches a preset temperature and the temperature of the cooling liquid flowing back into the water tank 2 are judged, whether refrigeration or heating is needed is judged, and the function of adjusting the temperature of the cooling liquid in the water tank 2 is realized.
A flow meter 4 is arranged between the first circulating water pump 3 and the passage connected with the test bench 5, and the flow rate of the cooling liquid flowing into the test bench 5 is detected through the flow meter 4, so that the power of the first circulating water pump 3 is regulated and controlled according to the requirement to control the flow rate of the cooling liquid entering into the test bench 5.
The working process of the utility model is as follows: when a cold source is needed in the test bench 5, firstly, the compressor 11 and the second circulating water pump 6 are started, the compressor 11 is started to drive generated high-temperature and high-pressure refrigerant to flow along the lines of the condenser 12, the dryer 13, the expansion valve 14 and the evaporator 15, the high-temperature and high-pressure refrigerant becomes low-temperature and low-pressure refrigerant when reaching the evaporator 15, at the moment, the low-temperature and low-pressure refrigerant exchanges heat with the cooling liquid conveyed by the second circulating water pump 6 from the water tank 2, the cold quantity in the low-temperature and low-pressure refrigerant is transferred to the cooling liquid conveyed by the second circulating water pump 6, so that the cooling liquid is cooled, the cooled cooling liquid is re-flowed into the water tank 2, the cooling liquid in the water tank 2 is cooled by repeated operation, the first circulating water pump 3 in the water tank 2 is conveyed to the test bench 5, the cooling liquid is provided for the test bench 5, and finally the cooling liquid is re-flowed into the water tank 2 for reuse;
when the test bench 5 needs a heat source, the second electromagnetic valve 20 is firstly opened to close the first electromagnetic valve 19, at this time, the high-temperature and high-pressure refrigerant generated by the compressor 11 enters the evaporator 15 through the pipeline where the second electromagnetic valve 20 is positioned, the cooling liquid in the water tank 2 and the high-temperature and high-pressure refrigerant of the evaporator 15 are subjected to heat exchange, so that the heat in the cooling liquid in the high-temperature and high-pressure refrigerant enters the cooling liquid conveyed by the second circulating water pump 6, the cooling liquid after heat transfer enters the water tank 2 again to heat the cooling liquid in the water tank 2, at the moment, the heater 7 is started to heat the cooling liquid in the water tank 2 at the same time, thereby realizing rapid heating of the cooling liquid in the water tank 2, the first circulating water pump 3 conveys the cooling liquid heated in the water tank 2 to the test bench 5 to provide a heat source for the test bench 5, and finally the cooling liquid passing through the test bench 5 flows into the water tank 2 again for recycling.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (9)
1. The utility model provides a binary channels refrigeration heating all-in-one which characterized in that: the double-refrigerating-module heat exchanger comprises double refrigerating modules, wherein a water tank (2) is arranged on one side of each refrigerating module, the water tank (2) is connected with an internal circulating waterway and an external circulating waterway, the internal circulating waterway comprises a second circulating water pump (6) connected with the outlet end of the water tank (2), and the outlet end of the second circulating water pump (6) is in heat exchange with the refrigerating module on a loop communicated with the inlet end of the water tank (2); the external circulation waterway comprises a first circulating water pump (3) connected with the outlet end of the water tank (2), a test bench (5) is arranged on a loop of the outlet end of the first circulating water pump (3) communicated with the inlet end of the water tank (2), and a heater (7) for heating and a first temperature sensor (9) for temperature monitoring are arranged inside the water tank (2).
2. The dual-channel refrigeration and heating integrated machine according to claim 1, wherein: the refrigerating module comprises a compressor (11) and an evaporator (15), and the output end of the compressor (11) and the input end of the evaporator (15) are sequentially connected with a condenser (12), a dryer (13) and an expansion valve (14) through pipelines.
3. The dual-channel refrigeration and heating integrated machine according to claim 2, wherein: protection components (17) are arranged on the pipelines between the dryer (13) and the expansion valve (14) and on the loops between the evaporator (15) and the compressor (11), and a liquid viewing mirror (18) for observation is also arranged on the pipelines between the dryer (13) and the expansion valve (14).
4. A dual-channel refrigeration and heating all-in-one machine as claimed in claim 3, wherein: the protection assembly (17) comprises a pressure gauge (171) mounted on the pipeline for detecting pressure and a pressure protection switch (172) for pressure protection.
5. The dual-channel refrigeration and heating integrated machine according to claim 2, wherein: a first electromagnetic valve (19) is arranged between the pipelines of the dryer (13) and the expansion valve (14), a heating pipeline is further arranged between the outlet of the compressor (11) and the inlet of the evaporator (15), and a second electromagnetic valve (20) is arranged on the heating pipeline.
6. The dual-channel refrigeration and heating integrated machine according to claim 2, wherein: the outlet end of the compressor (11) is further provided with an oil separator (16), and one outlet of the oil separator (16) is connected with the inlet of the compressor (11).
7. The dual-channel refrigeration and heating integrated machine according to claim 1, wherein: an over-temperature protector (8) is arranged in the water tank (2).
8. The dual-channel refrigeration and heating integrated machine according to claim 1, wherein: detection assemblies (10) are arranged between the first circulating water pump (3) and the passage of the test bench (5) and between the test bench (5) and the inlet end of the water tank (2), and the detection assemblies (10) comprise a second temperature sensor (101) and a pressure detector (102).
9. The dual-channel refrigeration and heating integrated machine according to claim 1, wherein: a flowmeter (4) is arranged between the passages connected with the first circulating water pump (3) and the test bench (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685406.2U CN219454439U (en) | 2023-03-31 | 2023-03-31 | Binary channels refrigeration heating all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685406.2U CN219454439U (en) | 2023-03-31 | 2023-03-31 | Binary channels refrigeration heating all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219454439U true CN219454439U (en) | 2023-08-01 |
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ID=87387189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320685406.2U Active CN219454439U (en) | 2023-03-31 | 2023-03-31 | Binary channels refrigeration heating all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219454439U (en) |
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2023
- 2023-03-31 CN CN202320685406.2U patent/CN219454439U/en active Active
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