CN212637089U - Air conditioning system of electric automobile - Google Patents
Air conditioning system of electric automobile Download PDFInfo
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- CN212637089U CN212637089U CN202021221540.XU CN202021221540U CN212637089U CN 212637089 U CN212637089 U CN 212637089U CN 202021221540 U CN202021221540 U CN 202021221540U CN 212637089 U CN212637089 U CN 212637089U
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Abstract
The utility model provides an air conditioning system for electric automobile, including parallelly connected refrigerant circulation circuit and the hydrologic cycle return circuit together, the refrigerant circulation circuit includes the condenser that the head and the tail connected gradually, outside heat exchanger, the liquid storage pot, the air conditioner evaporimeter, and electric compressor, the hydrologic cycle return circuit includes the condenser that the head and the tail connected gradually, the water pump, air conditioner heater and expansion tank, be provided with first passageway in the condenser and with the second passageway that first passageway contacted, the refrigerant circulation circuit is connected with first passageway, the hydrologic cycle return circuit is connected with the second passageway, the refrigerant circulation circuit carries out heat transfer through the condenser with the hydrologic cycle return circuit. Through the high-temperature high-pressure refrigerant gas, heat transfer can occur in the condenser with the liquid water at normal temperature and normal pressure, and the heat of the refrigerant gas can be transferred to the liquid water, so that the refrigerant gas is cooled, the liquid water is heated, independent heating and cooling are not needed, and the energy utilization rate is improved.
Description
Technical Field
The utility model relates to an electric automobile field of making, in particular to air conditioning system of electric automobile.
Background
With the rapid development of new energy electric automobile technology, electric automobiles are more and more recognized by people, so that electric automobiles are gradually popularized in the lives of people.
The existing new energy electric automobile is provided with an automobile air conditioning system inside an automobile body, and most of the existing automobile air conditioning systems comprise a refrigerating system and a heating system and are used for achieving the refrigerating and heating functions of an automobile air conditioner so as to meet the requirements of people in different temperature environments.
However, a refrigeration system loop and a heating system loop inside the existing air conditioning system of the electric vehicle are respectively and independently installed in an engine compartment of the electric vehicle, wherein the refrigeration system loop needs to independently cool a refrigerant inside the refrigeration system loop, and the heating system loop needs to independently heat liquid water inside the heating system loop, so that the energy consumption of the electric vehicle is increased, and the energy utilization rate of the air conditioning system of the electric vehicle is reduced.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an electric automobile air conditioning system to solve prior art's electric automobile air conditioning system's heating system return circuit and need heat up its inside liquid water alone, and the refrigerating system return circuit need cool down its inside refrigerant alone, and the energy consumption that leads to electric automobile is higher, has reduced energy utilization's problem.
The utility model provides an air conditioning system for electric automobile, is including parallelly connected refrigerant circulation circuit and the hydrologic cycle return circuit together, refrigerant circulation circuit includes condenser, outside heat exchanger, liquid storage pot, air conditioner evaporimeter that the head and the tail connected gradually and is used for compressing the electric compressor of refrigerant, hydrologic cycle return circuit includes condenser, water pump, air conditioner heater and the expansion tank that the head and the tail connected gradually, be provided with first passageway in the condenser and with the second passageway that first passageway contacted, refrigerant circulation circuit with first passageway is connected, hydrologic cycle return circuit with the second passageway is connected, refrigerant circulation circuit with hydrologic cycle return circuit passes through the condenser carries out heat transfer.
The utility model has the advantages that: the first channel and the second channel are arranged in the condenser and are in contact with each other, the first channel and the second channel are connected with the refrigerant circulation loop and the water circulation loop respectively, the refrigerant circulation loop and the water circulation loop are connected in parallel, high-temperature and high-pressure refrigerant gas in the refrigerant circulation loop can be subjected to heat transfer in the condenser with normal-temperature and normal-pressure liquid water in the water circulation loop, the heat of the high-temperature and high-pressure refrigerant gas can be transferred to the normal-temperature and normal-pressure liquid water, the refrigerant gas is cooled, the liquid water is heated, the low-temperature refrigerant gas flowing out of the condenser cools a passenger compartment through the air-conditioning evaporator, the high-temperature liquid water flowing out of the condenser heats the passenger compartment through the air-conditioning heater finally, independent heating and cooling are not needed, and the energy utilization rate is improved.
Preferably, the first channel and the second channel are both provided with circular channels, and the pipe wall of the first channel is in contact with the pipe wall of the second channel.
Preferably, two first connecting ports are formed at two ends of the first channel, and the two first connecting ports are respectively connected with two ends of the refrigerant circulating loop.
Preferably, two ends of the second channel are provided with two second connectors, and the two second connectors are respectively connected with two ends of the water circulation loop.
Preferably, a stop valve for opening and closing the refrigerant circulation circuit is provided between the electric compressor and the air conditioner evaporator, and an electronic expansion valve is provided between the electric compressor and the condenser.
Preferably, the external heat exchanger is a plate heat exchanger.
Preferably, the refrigerant is freon.
Preferably, the air conditioner heater is in communication with a passenger compartment to achieve warming of the passenger compartment, and the air conditioner evaporator is in communication with the passenger compartment to achieve cooling of the passenger compartment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning system of an electric vehicle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a condenser of an air conditioning system of an electric vehicle according to a first embodiment of the present invention.
Description of the main element symbols:
| |
10 | |
20 |
| |
30 | Air- |
40 |
| |
50 | |
60 |
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70 | |
80 |
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11 | The |
12 |
| First connecting |
111 | Second connecting |
121 |
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90 | |
100 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, an air conditioning system for an electric vehicle according to a first embodiment of the present invention includes: a condenser 10, an exterior heat exchanger 20, a receiver tank 30, an air conditioning evaporator 40, an electric compressor 50, an air conditioning heater 70, a water pump 60, and a sub-tank 80.
Wherein: the electric automobile air conditioning system comprises a refrigerant circulation loop and a water circulation loop which are connected in parallel, wherein the refrigerant circulation loop comprises a condenser 10, an external heat exchanger 20, a liquid storage tank 30, an air conditioning evaporator 40 and an electric compressor 50 for compressing a refrigerant, the condenser 10, a water pump 60, an air conditioning heater 70 and an auxiliary water tank 80 are sequentially connected end to end, a first channel 11 and a second channel 12 in contact with the first channel 11 are arranged in the condenser 10, the refrigerant circulation loop is connected with the first channel 11, the water circulation loop is connected with the second channel 12, and the refrigerant circulation loop and the water circulation loop perform heat transfer through the condenser 10.
In the present embodiment, as shown in fig. 1, it can be understood by those skilled in the art that the electric compressor 50, the exterior heat exchanger 20, the accumulator 30 and the air conditioner evaporator 70 in the refrigerant circulation circuit are all known in the art and can be easily obtained by those skilled in the art. The electric compressor 50 compresses the refrigerant gas therein from a normal temperature and pressure state to a high temperature and pressure state, and the high temperature and pressure refrigerant gas is circulated into the condenser 10 through the refrigerant circulation circuit. It should be noted that those skilled in the art will also understand that the water pump, the air conditioner heater and the auxiliary water tank in the water circulation loop are also known in the art and can be easily obtained by those skilled in the art. Wherein, the liquid water of the inside normal atmospheric temperature of condenser 10 that flows through among the water circulation circuit can take place thermal transmission with the high-temperature high-pressure refrigerant gas of the inside high-temperature high-pressure of condenser 10 that flows through, the heat of the high-temperature high-pressure refrigerant gas most can be transmitted on the liquid water of normal atmospheric temperature, thereby the refrigerant gas of condenser 10 that flows through can cool down, liquid water can heat up, do not need to cool down separately refrigerant and liquid water respectively and heat up the processing, the consumption of the energy has been reduced, the energy utilization of this electric automobile air conditioning system has been improved.
In this embodiment, as shown in fig. 1 to 2, in order to connect the refrigerant circulation circuit and the water circulation circuit in parallel, a first channel 11 and a second channel 12 are provided in the condenser 10, it should be noted that the first channel 11 and the second channel 12 are both provided as circular channels, and a thread is provided on the circular channels, so as to facilitate the connection with the refrigerant circulation circuit and the water circulation circuit through the thread, and a pipe wall of the first channel 11 contacts with a pipe wall of the second channel 12, so as to facilitate the heat transfer between the refrigerant gas at high temperature and high pressure in the refrigerant circulation circuit and the liquid water at normal temperature and normal pressure in the water circulation circuit, and the heat of the refrigerant gas at high temperature and high pressure inside the condenser 10 is transferred to the liquid water at normal temperature and normal pressure. In order to connect the condenser 10 to the refrigerant circulation circuit and the water circulation circuit, two first connection ports 111 are formed at both ends of the first passage 11, and the two first connection ports 111 are respectively connected to both ends of the refrigerant circulation circuit. Two second connecting ports 121 are formed at two ends of the second channel 12, and the two second connecting ports 121 are respectively connected with two ends of the water circulation loop. As shown in fig. 2, threads are formed on both the inner wall of the first connection port 111 and the outer wall of the second connection port 121, so that the condenser 10 can be easily connected to the pipes of the refrigerant circulation circuit and the water circulation circuit.
In the present embodiment, as shown in fig. 1, a shutoff valve 90 for opening and closing the refrigerant circulation circuit is provided between the electric compressor 50 and the air conditioner evaporator 40, and an electronic expansion valve 100 is provided between the electric compressor 50 and the condenser 10. The electronic expansion valve 100 is used to prevent the high-temperature and high-pressure refrigerant gas compressed by the electric compressor 50 from having an excessively high pressure, which may cause damage to the pipes of the refrigerant circulation circuit. In the present embodiment, the plate heat exchanger is used as the external heat exchanger 20, and freon is used as the refrigerant. In addition, those skilled in the art can also adopt any other heat exchangers, such as a shell-and-tube heat exchanger, a floating head heat exchanger, etc., as required, and all of them are within the protection scope of the present embodiment. In particular embodiments, the air conditioner heater 70 is in communication with the passenger compartment to provide heating to the passenger compartment, and the air conditioner evaporator 40 is in communication with the passenger compartment to provide cooling to the passenger compartment. Other embodiments may be adopted as required by those skilled in the art, and are within the protection scope of the present embodiment.
In specific implementation, the electric compressor 50 sucks air to do work, so that the refrigerant is compressed from gas in a normal temperature and pressure state into gas in a high temperature and pressure state, the high temperature and pressure refrigerant gas flows into the condenser 10 through the pipeline, the first channel 11 and the second channel 12 are arranged in the condenser 10, the pipe walls of the first channel 11 and the second channel 12 are in contact with each other, the high temperature and pressure refrigerant gas flows into the first channel 11 through the pipeline, heat is transferred between the high temperature and pressure refrigerant gas and liquid water in the second channel 12 according to inertia of heat transfer, most of the heat of the high temperature and pressure refrigerant gas is transferred onto the liquid water, the liquid water flowing through the condenser 10 is raised to a higher temperature, the liquid water flowing out of the condenser 10 flows into the air conditioning heater 70 through the water circulation loop, and the air conditioning heater 70 further heats the water, the high-temperature liquid water inside the air conditioner heater 70 transfers heat with the surrounding air, and the heated warm air is blown into the passenger compartment by the blower, thereby heating the passenger compartment.
Meanwhile, the refrigerant gas flowing out of the condenser 10 is at a low temperature and flows into the air conditioner evaporator 40 through the refrigerant circulation circuit, at this time, the air conditioner evaporator 40 further cools the low-temperature and low-pressure refrigerant gas to cool the low-temperature and low-pressure refrigerant gas to refrigerant liquid, the refrigerant liquid flows into the air conditioner evaporator 40 through the liquid storage tank 30, at this time, the low-temperature and low-pressure refrigerant liquid evaporates in the air conditioner evaporator 40 to absorb heat of surrounding air, and the cooled air is blown into the passenger compartment by the fan, so that the passenger compartment is cooled.
It should be noted that the above implementation process is only for illustrating the applicability of the present application, but this does not represent that the electric vehicle air conditioning system of the present application has only the above-mentioned implementation flow, and on the contrary, the electric vehicle air conditioning system of the present application can be incorporated into the feasible embodiments of the present application as long as the electric vehicle air conditioning system of the present application can be implemented.
To sum up, in the air conditioning system for an electric vehicle according to the above embodiment of the present invention, the condenser 10 is provided with the first channel 11 and the second channel 12 which are in contact with each other, and the first channel 11 and the second channel 12 are respectively connected to the refrigerant circulation circuit and the water circulation circuit, so as to connect the refrigerant circulation circuit and the water circulation circuit in parallel, the refrigerant gas with high temperature and high pressure in the refrigerant circulation circuit can generate heat transfer with the liquid water with normal temperature and normal pressure in the water circulation circuit in the condenser 10, the heat of the refrigerant gas with high temperature and high pressure can be transferred to the liquid water with normal temperature and normal pressure, so as to cool the refrigerant gas, heat the liquid water, the low temperature refrigerant gas flowing out of the condenser 10 cools the passenger compartment through the air conditioner evaporator 40, and the high temperature liquid water flowing out of the condenser 10 heats the passenger compartment through the air conditioner heater 70, thereby not needing to carry out independent heating and cooling, having improved energy utilization.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides an air conditioning system of electric automobile which characterized in that: the refrigeration system comprises a refrigerant circulation loop and a water circulation loop which are connected in parallel, wherein the refrigerant circulation loop comprises a condenser, an external heat exchanger, a liquid storage tank, an air conditioner evaporator and an electric compressor for compressing a refrigerant, the condenser, the external heat exchanger, the liquid storage tank, the air conditioner evaporator and the electric compressor are sequentially connected end to end, the water circulation loop comprises a condenser, a water pump, an air conditioner heater and an auxiliary water tank, the condenser is sequentially connected end to end, a first channel and a second channel which is contacted with the first channel are arranged in the condenser, the refrigerant circulation loop is connected with the first channel, the water circulation loop is connected with the second channel, and the refrigerant circulation loop and the water circulation loop are used for heat transfer through the condenser.
2. The air conditioning system for the electric vehicle according to claim 1, wherein: the first channel and the second channel are both circular channels, and the pipe wall of the first channel is in contact with the pipe wall of the second channel.
3. The air conditioning system for the electric vehicle according to claim 2, wherein: two first connecting ports are formed in two ends of the first channel, and the two first connecting ports are respectively connected with two ends of the refrigerant circulating loop.
4. The air conditioning system for the electric vehicle according to claim 2, wherein: two second connectors are arranged at two ends of the second channel and are respectively connected with two ends of the water circulation loop.
5. The air conditioning system for the electric vehicle according to claim 1, wherein: a stop valve for opening and closing the refrigerant circulation circuit is disposed between the electric compressor and the air conditioner evaporator, and an electronic expansion valve is disposed between the electric compressor and the condenser.
6. The air conditioning system for the electric vehicle according to claim 1, wherein: the external heat exchanger adopts a plate heat exchanger.
7. The air conditioning system for the electric vehicle according to claim 1, wherein: the refrigerant is Freon.
8. The air conditioning system for the electric vehicle according to claim 1, wherein: the air conditioner heater is communicated with a passenger compartment to warm the passenger compartment, and the air conditioner evaporator is communicated with the passenger compartment to cool the passenger compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221540.XU CN212637089U (en) | 2020-06-28 | 2020-06-28 | Air conditioning system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221540.XU CN212637089U (en) | 2020-06-28 | 2020-06-28 | Air conditioning system of electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN212637089U true CN212637089U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021221540.XU Active CN212637089U (en) | 2020-06-28 | 2020-06-28 | Air conditioning system of electric automobile |
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| CN (1) | CN212637089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928085A (en) * | 2021-10-21 | 2022-01-14 | 浙江吉利控股集团有限公司 | Vehicle thermal management system, control method and vehicle |
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2020
- 2020-06-28 CN CN202021221540.XU patent/CN212637089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928085A (en) * | 2021-10-21 | 2022-01-14 | 浙江吉利控股集团有限公司 | Vehicle thermal management system, control method and vehicle |
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