CN108790684A - A kind of new-energy automobile heat pump air conditioning system and control method - Google Patents
A kind of new-energy automobile heat pump air conditioning system and control method Download PDFInfo
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- CN108790684A CN108790684A CN201810562779.4A CN201810562779A CN108790684A CN 108790684 A CN108790684 A CN 108790684A CN 201810562779 A CN201810562779 A CN 201810562779A CN 108790684 A CN108790684 A CN 108790684A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of new-energy automobile heat pump air conditioning systems, including refrigerating module, heat collecting module, indoor heat exchanger, outdoor heat exchanger and other component；It is provided with air heater in the indoor heat exchanger, is arranged in automobile bodies, Air-Conditioning Control Panel controls the air heater operation, and the air heater is used cooperatively with temperature sensor；The present invention also provides a kind of control methods of new-energy automobile heat pump air conditioning system.The present invention adds air heater in heat pump air conditioning system, when driving outdoor temperature less than or equal to setting value, air heater is worked at the same time with entire heat pump system, air heater not only can be directly to indoor offer heat, and the running temperature of R134a refrigerants can be improved, reach work preference temperature so that heat pump air conditioning system can normally start heating pattern.
Description
Technical field
The present invention relates to new-energy automotive air-conditioning fields, and in particular, to a kind of new-energy automobile heat pump air conditioning system and
Control method.
Background technology
Currently, New-energy electric vehicle generally uses heat pump air conditioning system, generally freezed within air-conditioning systems using R134a
Agent is as cooling medium, but when driving outdoor temperature reaches -15 DEG C or less, and R134a refrigerant endothermic effects are bad, and air-conditioning is logical
Cross pure heat pump system heating effect unobvious.Currently, a kind of solution is to increase water heating system within air-conditioning systems
(WPTC), heat source is provided to whole system by the independent water temperature circuit of WPTC heating, but this method makes entire air-conditioning system
Excessively complicated, system operation is unstable.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of new-energy automobile heat pump air conditioning system and controls
Method processed.The present invention adds air heater in heat pump air conditioning system, is less than or equal to setting when driving outdoor environment temperature
When value, air heater is worked at the same time with entire heat pump system, air heater not only can directly to indoor offer heat, and
And the running temperature of R134a refrigerants can be improved, reach appropriate working temperature so that heat pump air conditioning system can be opened normally
Dynamic heating pattern.
According to an aspect of the present invention, a kind of new-energy automobile heat pump air conditioning system is provided, including, refrigerating module, collection
Thermal modules, indoor heat exchanger, outdoor heat exchanger and other component；
Wherein,
-- the other component, including gas-liquid separator, compressor, two-phase shut-off valve A, two-phase shut-off valve B, cut-off expansion
Valve A, three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, two-phase shutoff valve C；Increasing three-phase shut-off valve A can ensure
In the case that outdoor heat exchanger can not work normally since temperature is too low, system still is able to skip outdoor heat exchanger and utilizes water
Case heat works on, and can preferably ensure the normal operation of whole system；Increase two-phase shutoff valve C and reaches indoor dehumidification
Purpose, solve the problems, such as pure electric automobile winter heating deficiency, ensure that system can be normal even if cold district
Operation, realizes the high temperature protection to battery pack；It can be real by controlling three-phase shut-off valve, two-phase shut-off valve, cut-off expansion valve
Now refrigeration, maximum heating, maximum heating+dehumidifying, heating, heating+dehumidifying, the switching of largest battery packet six kinds of patterns of cooling.
-- the refrigerating module, including battery pack and cut-off expansion valve B, battery pack and cut-off expansion valve series connection reach
To the cooling protection of battery pack, it is dangerous caused by temperature is excessively high to effectively prevent battery；
-- the heat collecting module, including water pump, frequency converter, motor, water tank, expansion tank and heat exchanger, the water pump,
Frequency converter, motor, water tank are sequentially connected in series, and the expansion tank is connect with water tank, are realized and are searched to the heat of water tank cooling system
Collection, saves electric energy loss；
-- the indoor heat exchanger, including evaporator and condenser are arranged in automobile bodies；
-- the condenser, cut-off expansion valve A, three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, evaporator,
Vapour liquid separator, compressor and two-phase shut-off valve A are sequentially connected in series；
-- the refrigerating module is parallel between evaporator and cut-off expansion valve C；
-- the heat collecting module is parallel between three-phase shut-off valve B and vapour liquid separator；
-- the two-phase shut-off valve B mono- terminates two-phase shut-off valve A and flows into end, another termination condensator outlet；
-- the outlet ends the termination of two-phase shutoff valve C one cut-off expansion valve A, another termination evaporator end；
-- the three-phase shut-off valve A is one-in-and-two-out formula, and import is connected with the outlets cut-off expansion valve A, outlet one and outdoor
Heat exchanger import is connected, and outlet two is connected with outdoor heat exchanger outlet；
-- the three-phase shut-off valve B is one-in-and-two-out formula, and import is connected with outdoor heat exchanger outlet, and outlet one is cut with expansion
Only valve C imports are connected, and outlet two is connected with the import one of heat exchanger；
-- the cut-off expansion valve A imports connect condensator outlet, and outlet connects three-phase shut-off valve A imports；
-- the cut-off expansion valve B imports connect cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；
-- the cut-off expansion valve C imports connect the outlets three-phase shut-off valve B one, and outlet connects evaporator；
-- the heat exchanger is four ports, and import one connects the outlets three-phase shut-off valve B two, and outlet one connects vapour liquid separator
Import two, two water receiving case input end of import export two water receiving case outlet ends；
-- the vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger outlet
One, outlet connects compressor inlet；
-- the indoor heat exchanger further includes air heater, is arranged in automobile bodies, and Air-Conditioning Control Panel controls institute
Air heater operation is stated, the air heater is used cooperatively with temperature sensor.
Preferably, the outdoor heat exchanger is Overcold.
Preferably, the evaporator, condenser and outdoor heat exchanger are parallel flow type.
Preferably, cut-off expansion valve A, cut-off expansion valve B and cut-off expansion valve C are shut-off valve expansion valve integral type, phase
It is compared to traditional expansion valve solenoid valve in parallel, integral type, which ends expansion valve, has stable, saving space and cost
Effect.
Preferably, the heat exchanger is board-like.
Preferably, the refrigerant in the heat exchanger and coolant liquid flow direction are opposite.
Preferably, the evaporator, condenser and outdoor heat exchanger port are presser type.
Preferably, the condenser outflow end is in series with check valve.
To achieve the above object, the present invention also provides a kind of control method of new-energy automobile heat pump air conditioning system, packets
Include following steps：
Step 1, automobile starting, heat pump air conditioning system operation；
Step 2, the temperature sensor detect that environment temperature is less than or equal to desired temperature, and data transmission
To the Air-Conditioning Control Panel；
Step 3, the Air-Conditioning Control Panel control the air heater and start to work, to indoor offer heat；
Step 4, the R134a refrigerants in the heat exchanger bring into operation, and heat pump air conditioning system starts normal heating mould
Formula.
Preferably, the desired temperature is -15 DEG C, can be specifically arranged according to the performance of R134a refrigerants.
Compared with prior art, the present invention has following advantageous effect：
(1) new-energy automobile heat pump air conditioning system of the present invention and control method, design principle are：When outside driver's cabin
When temperature is less than or equal to setting value, air heater is worked at the same time with entire heat pump system, and one side air heater can be with
Directly to indoor offer heat, on the other hand, air heater can improve the running temperature of R134a, reach suitable for work
Make temperature so that heat pump air conditioning system can normally start heating pattern；
(2) new-energy automobile heat pump air conditioning system of the present invention and control method, which compares and water heater
The heat pump system being used cooperatively, this system is more simple and reliable, integrated with evaporator and condenser, saves development cost；
(3) new-energy automobile heat pump air conditioning system of the present invention and control method, the system are heated compared to pure air
The traditional air conditioner of device can be greatly saved electric energy；
(4) new-energy automobile heat pump air conditioning system of the present invention and control method, system structure is simple, and design is skilful
It is wonderful, significant effect；
(5) new-energy automobile heat pump air conditioning system of the present invention and control method, system operation is safe and reliable, fits
Close a wide range of promote and apply；
(6) new-energy automobile heat pump air conditioning system of the present invention and control method, control method is simple and convenient, temperature
Degree setting is flexible and changeable.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the component connection diagram of new-energy automobile heat pump air conditioning system；
Fig. 2 is the principle process schematic diagram of new-energy automobile heat pump air conditioning system control method.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The present embodiment is related to a kind of new-energy automobile heat pump air conditioning system, system component connection diagram such as 1 institute of attached drawing
Show, including, refrigerating module, heat collecting module, indoor heat exchanger, outdoor heat exchanger and other component；
Wherein,
-- the other component, including gas-liquid separator, compressor, two-phase shut-off valve A, two-phase shut-off valve B, cut-off expansion
Valve A, three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, two-phase shutoff valve C；Increasing three-phase shut-off valve A can ensure
In the case that outdoor heat exchanger can not work normally since temperature is too low, system still is able to skip outdoor heat exchanger and utilizes water
Case heat works on, and can preferably ensure the normal operation of whole system；Increase two-phase shutoff valve C and reaches indoor dehumidification
Purpose, solve the problems, such as pure electric automobile winter heating deficiency, ensure that system can be normal even if cold district
Operation, realizes the high temperature protection to battery pack；It can be real by controlling three-phase shut-off valve, two-phase shut-off valve, cut-off expansion valve
Now refrigeration, maximum heating, maximum heating+dehumidifying, heating, heating+dehumidifying, the switching of largest battery packet six kinds of patterns of cooling.
-- the refrigerating module, including battery pack and cut-off expansion valve B, battery pack and cut-off expansion valve series connection reach
To the cooling protection of battery pack, it is dangerous caused by temperature is excessively high to effectively prevent battery；
-- the heat collecting module, including water pump, frequency converter, motor, water tank, expansion tank and heat exchanger, the water pump,
Frequency converter, motor, water tank are sequentially connected in series, and the expansion tank is connect with water tank, are realized and are searched to the heat of water tank cooling system
Collection, saves electric energy loss；
-- the indoor heat exchanger, including evaporator and condenser are arranged in automobile bodies；
-- the condenser, cut-off expansion valve A, three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, evaporator,
Vapour liquid separator, compressor and two-phase shut-off valve A are sequentially connected in series；
-- the refrigerating module is parallel between evaporator and cut-off expansion valve C；
-- the heat collecting module is parallel between three-phase shut-off valve B and vapour liquid separator；
-- the two-phase shut-off valve B mono- terminates two-phase shut-off valve A and flows into end, another termination condensator outlet；
-- the outlet ends the termination of two-phase shutoff valve C one cut-off expansion valve A, another termination evaporator end；
-- the three-phase shut-off valve A is one-in-and-two-out formula, and import is connected with the outlets cut-off expansion valve A, outlet one and outdoor
Heat exchanger import is connected, and outlet two is connected with outdoor heat exchanger outlet；
-- the three-phase shut-off valve B is one-in-and-two-out formula, and import is connected with outdoor heat exchanger outlet, and outlet one is cut with expansion
Only valve C imports are connected, and outlet two is connected with the import one of heat exchanger；
-- the cut-off expansion valve A imports connect condensator outlet, and outlet connects three-phase shut-off valve A imports；
-- the cut-off expansion valve B imports connect cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；
-- the cut-off expansion valve C imports connect the outlets three-phase shut-off valve B one, and outlet connects evaporator；
-- the heat exchanger is four ports, and import one connects the outlets three-phase shut-off valve B two, and outlet one connects vapour liquid separator
Import two, two water receiving case input end of import export two water receiving case outlet ends；
-- the vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger outlet
One, outlet connects compressor inlet；
-- the indoor heat exchanger further includes air heater, is arranged in automobile bodies, and Air-Conditioning Control Panel controls institute
State air heater operation；The air heater is used cooperatively with temperature sensor.
Further, the outdoor heat exchanger is Overcold.
Further, the evaporator, condenser and outdoor heat exchanger are parallel flow type.
Further, cut-off expansion valve A, cut-off expansion valve B and cut-off expansion valve C are shut-off valve expansion valve integral type,
Be compared to a traditional expansion valve solenoid valve in parallel, integral type end expansion valve have it is stable, save space and at
This effect.
Further, the heat exchanger is board-like.
Further, the refrigerant in the heat exchanger and coolant liquid flow direction are opposite.
Further, the evaporator, condenser and outdoor heat exchanger port are presser type.
Further, the condenser outflow end is in series with check valve.
Embodiment 2
The present embodiment is related to a kind of new-energy automobile heat pump air conditioning system, and the system is such as embodiment 1.
The present embodiment provides a kind of control methods of new-energy automobile heat pump air conditioning system, and principle process schematic diagram is as schemed
Shown in 2, include the following steps：
Step 1, automobile starting, heat pump air conditioning system operation；
Step 2, the temperature sensor detect that environment temperature is less than or equal to desired temperature, and data transmission
To the Air-Conditioning Control Panel；
Step 3, the Air-Conditioning Control Panel control the air heater and start to work, to indoor offer heat；
Step 4, the R134a refrigerants in the heat exchanger bring into operation, and heat pump air conditioning system starts normal heating mould
Formula.
Further, the desired temperature is -15 DEG C.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of new-energy automobile heat pump air conditioning system, including：Refrigerating module, heat collecting module, indoor heat exchanger, outdoor heat exchanger
And other component；
Wherein,
-- the other component, including gas-liquid separator, compressor, two-phase shut-off valve A, two-phase shut-off valve B, cut-off expansion valve A,
Three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, two-phase shutoff valve C；
-- the refrigerating module, including battery pack and cut-off expansion valve B, battery pack and cut-off expansion valve series connection；
-- the heat collecting module, including water pump, frequency converter, motor, water tank, expansion tank and heat exchanger, the water pump, frequency conversion
Device, motor, water tank are sequentially connected in series, and the expansion tank is connect with water tank；
-- the indoor heat exchanger, including evaporator and condenser are arranged in automobile bodies；
-- the condenser, cut-off expansion valve A, three-phase shut-off valve A, three-phase shut-off valve B, cut-off expansion valve C, evaporator, vapour-liquid
Separator, compressor and two-phase shut-off valve A are sequentially connected in series；
-- the refrigerating module is parallel between evaporator and cut-off expansion valve C；
-- the heat collecting module is parallel between three-phase shut-off valve B and vapour liquid separator；
-- the two-phase shut-off valve B mono- terminates the inflow end of two-phase shut-off valve A, another termination condensator outlet；
-- the outlet end of the termination of the two-phase shutoff valve C one cut-off expansion valve A, another termination evaporator end；
-- the three-phase shut-off valve A is one-in-and-two-out formula, and import is connected with the outlets cut-off expansion valve A, outlet one and outdoor heat exchange
Device import is connected, and outlet two is connected with outdoor heat exchanger outlet；
-- the three-phase shut-off valve B is one-in-and-two-out formula, and import is connected with outdoor heat exchanger outlet, outlet one and expansion shut-off valve
C imports are connected, and outlet two is connected with the import one of heat exchanger；
-- the cut-off expansion valve A imports connect condensator outlet, and outlet connects three-phase shut-off valve A imports；
-- the cut-off expansion valve B imports connect cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；
-- the cut-off expansion valve C imports connect the outlets three-phase shut-off valve B one, and outlet connects evaporator；
-- the heat exchanger is four ports, and import one connects the outlets three-phase shut-off valve B two, and outlet one connects vapour liquid separator import
Two, two water receiving case input end of import exports two water receiving case outlet ends；
-- the vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger outlet one, goes out
Mouth connects compressor inlet；
It is characterized in that, the indoor heat exchanger further includes air heater, it is arranged in automobile bodies, Air-Conditioning Control Panel control
The air heater operation is made, the air heater is used cooperatively with temperature sensor.
2. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the outdoor heat exchanger was
Cold type.
3. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the evaporator, condenser
It is parallel flow type with outdoor heat exchanger.
4. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that cut-off expansion valve A, cut-off are swollen
Swollen valve B and cut-off expansion valve C is shut-off valve expansion valve integral type.
5. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the heat exchanger is plate
Formula.
6. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the system in the heat exchanger
Cryogen and coolant liquid flow direction are opposite.
7. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the evaporator, condenser
It is presser type with outdoor heat exchanger port.
8. new-energy automobile heat pump air conditioning system according to claim 1, which is characterized in that the condenser outflow end string
It is associated with check valve.
9. a kind of control method of new-energy automobile heat pump air conditioning system, which is characterized in that include the following steps：
Step 1, automobile starting, heat pump air conditioning system operation；
Step 2, the temperature sensor detects that environment temperature is less than or equal to desired temperature, and conveys data to institute
State Air-Conditioning Control Panel；
Step 3, the Air-Conditioning Control Panel control the air heater and bring into operation, to indoor offer heat；
Step 4, the R134a refrigerants in the heat exchanger bring into operation, and heat pump air conditioning system starts heating pattern.
10. the control method of new-energy automobile heat pump air conditioning system according to claim 9, which is characterized in that the temperature
It is -15 DEG C to spend setting value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810562779.4A CN108790684A (en) | 2018-06-04 | 2018-06-04 | A kind of new-energy automobile heat pump air conditioning system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810562779.4A CN108790684A (en) | 2018-06-04 | 2018-06-04 | A kind of new-energy automobile heat pump air conditioning system and control method |
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| CN108790684A true CN108790684A (en) | 2018-11-13 |
Family
ID=64090288
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112696800A (en) * | 2020-12-25 | 2021-04-23 | 珠海格力电器股份有限公司 | Electric heater protection method and device of air conditioner, storage medium and air conditioner |
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| CN208698420U (en) * | 2018-06-04 | 2019-04-05 | 泰铂（上海）环保科技股份有限公司 | A kind of new-energy automobile heat pump air conditioning system |
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