CN208593269U - A kind of heat management system of new-energy automobile - Google Patents
A kind of heat management system of new-energy automobile Download PDFInfo
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- CN208593269U CN208593269U CN201821224284.2U CN201821224284U CN208593269U CN 208593269 U CN208593269 U CN 208593269U CN 201821224284 U CN201821224284 U CN 201821224284U CN 208593269 U CN208593269 U CN 208593269U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of heat management systems of new-energy automobile, including compressor, condenser, expansion valve, HVAC, gas-liquid separator, heat exchange module and ECU;Heat exchange module includes the water flowing pipeline and refrigerant flow duct that can mutually carry out heat exchange, refrigerant flow duct passes through the outlet of low temperature refrigerant shunt conduit and condenser, the outside of water flowing pipeline is provided with electric auxiliary heating device, after being exchanged with water using the cooling capacity or heat of refrigerant, feed the water into the heater core of battery temperature control component, electric control radiating subassembly and HVAC, to realize to battery pack, the refrigeration of electric control or heating, while also realizing the heating of HVAC.The heat management system simplifies structure, can meet vehicle interior temperature adjusting, battery temperature adjusting, the temperature adjusting of electric control simultaneously, temperature governing response is rapid, and Energy Efficiency Ratio is high.
Description
Technical field
The utility model relates to a kind of heat management systems, and the heat management system use is in new-energy automobile.
Background technique
With society to environmental protection and it is energy-efficient require higher and higher, new-energy automobile is increasingly by government and automobile vendor
Attention.Right new-energy automobile is due to being begun in actual R&D process using battery and motor as driving power resources
There are some technological difficulties eventually: the service life and service efficiency of 1. batteries are affected by temperature than more serious, and temperature is excessively high
It all will affect battery and cruising ability with too low, therefore, battery is cooled down or heated.2. new energy vapour
Vehicle is using motor as driving power, and electric control long operational time needs to radiate, and the interior winter of new-energy automobile needs
Heating, summer need to cool down, these power both are from battery, therefore, if raising Energy Efficiency Ratio and cruising ability are always new
The direction to be researched and developed of energy automobile.
For above-mentioned technological difficulties, a large amount of research and development have also been made in the industry and improve, are respectively set on new-energy automobile
Interior air-conditioning system, battery temperature control system and electric control cooling system;
Wherein, interior air-conditioning system includes compressor, condenser, expansion valve, HVAC, and compressor compresses refrigerant obtains 90 °
The high-temperature gas refrigerant of left and right, the high-temperature gas refrigerant first pass through condenser and radiate, and the temperature of refrigerant reduces, then refrigerant
It is depressured by expansion valve expansion throttling, the cooling atomization of refrigerant, the temperature of refrigerant is lower at this time, and then low temperature refrigerant is by HVAC's
Interior heat is absorbed after evaporator, refrigerant temperature increases, and vehicle interior temperature reduces, and the gaseous coolant of low-temp low-pressure enters pressure
Second compression again in contracting machine.
And when needing to heat to car when winter, PTC heating component can be also provided on HVAC, the blower of HVAC will heat
The hot wind generated afterwards is blown into car, improves vehicle interior temperature, and right this warm wind mode compares violence, and the hot wind of blowout is not soft,
People's discomfort is given, driver blows the hot wind for a long time and is easy to feel sleepy and cause driving safety accident.
Current battery temperature control system is broadly divided into air control temperature or recirculated water temperature control.
1, air control temperature-carries out temperature adjusting to battery pack by blower blowing cold air or hot wind, and this mode will appear
Not in time, non-uniform situation is heated or cooled in temperature control.
2, recirculated water temperature control-is provided with battery temperature control component on battery case, and battery temperature control component has several water flows
Channel, battery pack and battery temperature control component touch, battery temperature control component are connected in water circulation system, and water circulation system includes using
In the water tank of water storage, the water pump for providing flow dynamic, for the temperature rise heat exchanger of heat cycles water, the temperature rise heat exchanger
It is heated by the way of PTC heating, while it is also required to provide the cooling heat exchanger to cool down to recirculated water, the cooling heat exchanger
It is realized by the way of air-cooled, in this way, when needing to heat battery, temperature rise heat exchanger starting, PTC heat cycles water, thus
The temperature for improving battery pack, when needing to cool down, cooling heat exchanger starts, and temperature increases after circulating water battery pack, passes through
Cooling heat exchanger keeps recirculated water air-cooled.Although recirculated water temperature control method is more superior than air-cooled, structure is more complicated, needs simultaneously
Multiple heat exchangers, and heat transfer effect is poor, and Energy Efficiency Ratio is low.
And electric control cooling system is similar with battery temperature control system, structure is also more complicated, and needs multiple heat exchange
Device causes increased costs.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of heat management system of new-energy automobile, the heat pipes
Reason system simplifies structure, can meet vehicle interior temperature adjusting simultaneously, battery temperature is adjusted, the temperature of electric control is adjusted, temperature
It is rapid to spend governing response, Energy Efficiency Ratio is high.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of heat management system of new-energy automobile,
Including compressor, condenser, the first expansion valve, HVAC, gas-liquid separator, the gas outlet of the compressor and the entrance of condenser
Between be connected to by first pipe, the outlet of condenser is connected to between the entrance of the first expansion valve by second pipe, first
It the outlet of expansion valve and is connected between the entrance of the evaporator of HVAC, the entrance of the outlet of evaporator and gas-liquid separator passes through the
The connection of three pipelines, pipeline is connected between the gas outlet of the gas-liquid separator and the air inlet of compressor, the heat management system
It further include heat exchange module, battery temperature control component and electric control radiating subassembly;
The heat exchange module includes shell and is set in shell the water flowing pipeline that can mutually carry out heat exchange and cold
Matchmaker's flow duct, the entrance of the refrigerant flow duct passes through the outlet of low temperature refrigerant shunt conduit and condenser, described
It is provided with the first solenoid valve on second pipe, second solenoid valve and the second expansion are provided in the low temperature refrigerant shunt conduit
Valve, pipeline is connected between the outlet and the entrance of gas-liquid separator of the refrigerant flow duct;The outside of the water flowing pipeline
It is provided with electric auxiliary heating device, the entrance of the water flowing pipeline is connected to by water pump with water tank, the water flowing pipeline
Outlet is separately connected the arrival end of battery temperature control pipeline, electric control hot channel and interior hot duct, the battery temperature control
The outlet of pipeline is connected to the entrance of battery temperature control component, outlet and the electric control radiating subassembly of electric control hot channel
Entrance connection, the outlet of interior hot duct are connected to the entrance of the heater core of HVAC, the outlet of the battery temperature control component,
The outlet of electric control radiating subassembly and the outlet of heater core pass through reflux line and are connected to water tank.
As a preferred solution, the water flowing pipeline is sleeved on the outside of refrigerant flow duct, refrigerant flow duct
The inner hole in road forms refrigerant flow channel, and it is logical that the space between water flowing pipeline and refrigerant flow duct forms water flowing
Road, water flow channel and refrigerant flow duct are arranged independently of each other, be provided on the shell refrigerant inlet, refrigerant exit, into
The mouth of a river and water outlet, the refrigerant flow duct are connected with refrigerant inlet and refrigerant exit respectively, the water flow channel point
It is not connected with inlet and outlet, the electric auxiliary heating device is PTC heating component, and PTC heating component is covered in water
Outside flow duct.
As a preferred solution, the water flowing pipeline and refrigerant flow duct are each of coil pipe, the coil pipe
It is respectively provided with the PTC heating component between straight line pipeline section, is fixed with water supply connector, water outlet connector, refrigerant inlet on the shell
Connector and refrigerant exit connector, water inlet are arranged in water supply connector, and water outlet is arranged on water outlet connector, the water flowing pipe
The arrival end in road is fixed in water supply connector and is connected to water inlet, and the outlet end of the water flowing pipeline is fixed on water outlet connector
It above and with water outlet is connected to, the arrival end of the refrigerant flow duct, which stretches out from the arrival end of water flowing pipeline and penetrates through water inlet, to be connect
Water outlet connector, the refrigerant stream are stretched out from the outlet end of water flowing pipeline and penetrated through in head, the outlet end of the refrigerant flow duct
The arrival end of dynamic pipeline is fixed with refrigerant inlet connector, and outlet end and the refrigerant exit connector of refrigerant flow duct are fixed.
As a preferred solution, the refrigerant flow duct and the quantity of water flowing pipeline are multiple and are straight
It manages, the PTC heating component is set between adjacent straight tube, be fixed on the shell into water supervisor, water outlet main pipe, refrigerant and flowed into
Supervisor and refrigerant outflow supervisor, the water inlet, water outlet, refrigerant inlet and refrigerant exit are separately positioned on into water supervisor, go out
Water supervisor, refrigerant flow into supervisor and refrigerant outflow supervisor on, the both ends of the water flowing pipeline be separately fixed at into water supervisor and
In water outlet main pipe, the both ends of the refrigerant flow duct are stretched out from water flowing pipe ends respectively and through water inlet supervisor and water outlets
Supervisor, the both ends of the refrigerant flow duct flow into supervisor with refrigerant respectively and refrigerant outflow supervisor fixes.
As a preferred solution, it is arranged on the outer wall of the refrigerant flow duct or on the inner wall of water flowing pipeline
There are several supporting rib stiffeners, which supports between the refrigerant flow duct and water flowing pipeline.
As a preferred solution, the heat management system further includes high temperature refrigerant shunt conduit, the high temperature refrigerant point
The entrance in flow tube road is connected to the gas outlet of compressor, and third solenoid valve, the first pipe are provided in the high temperature refrigerant shunt conduit
The 4th solenoid valve is provided on road, the outlet of the high temperature refrigerant shunt conduit is connected to the entrance of refrigerant flow duct, the height
Warm coolant distribution pipeline and the link position of refrigerant flow duct are located at the downstream of the second expansion valve, are arranged on the third pipeline
There is the first check valve, is provided with second one-way valve in the low temperature refrigerant shunt conduit.
As a preferred solution, the upstream on the second pipe positioned at the first solenoid valve is provided with dry filter
The entrance of device, the low temperature refrigerant shunt conduit be connected on second pipe and be located at device for drying and filtering and the first solenoid valve it
Between.
As a preferred solution, the downstream in the high temperature refrigerant shunt conduit positioned at third solenoid valve is provided with heat
Gas by-passing valve.
As a preferred solution, third check valve is provided on the reflux line.
After above-mentioned technical proposal, the effect of the utility model is: since the heat management system further includes hot friendship
Change the mold block, battery temperature control component and electric control radiating subassembly;The heat exchange module includes shell and be set in shell can
The water flowing pipeline and refrigerant flow duct of heat exchange are mutually carried out, the entrance of the refrigerant flow duct passes through low temperature refrigerant point
The outlet in flow tube road and condenser is provided with the first solenoid valve, the low temperature refrigerant shunt conduit on the second pipe
On be provided with second solenoid valve and the second expansion valve, managed between the outlet of the refrigerant flow duct and the entrance of gas-liquid separator
Road connection;The outside of the water flowing pipeline is provided with electric auxiliary heating device, and the entrance of the water flowing pipeline passes through water pump
It is connected to water tank, the outlet of the water flowing pipeline is separately connected battery temperature control pipeline, electric control hot channel and interior confession
The outlet of the arrival end in heating coil road, the battery temperature control pipeline is connected to the entrance of battery temperature control component, electric control heat-dissipating pipe
The outlet in road is connected to the entrance of electric control radiating subassembly, the outlet of interior hot duct and the entrance of the heater core of HVAC
Connection, the outlet of the battery temperature control component, the outlet of electric control radiating subassembly and the outlet of heater core pass through reflux
Pipeline is connected to water tank, which may be implemented the adjusting of vehicle interior temperature, the temperature of battery pack is adjusted and electric control
Heat dissipation.
Wherein the heat management system includes process of refrigerastion and heating operations.
Wherein in process of refrigerastion, refrigerant becomes high pressure gaseous refrigerant, the high stable high-pressure gas after compressor compresses
State refrigerant temperature after condenser reduces, and then becomes low temperature refrigerant after the expansion of the first expansion valve, and low temperature refrigerant is passed through
After the evaporator of HVAC, the blower of HVAC persistently dries to car, and cold air is thus blown into interior reduction vehicle interior temperature;And it is same
When refrigerant entered after low temperature refrigerant shunt conduit in the second expansion valve, by the second expansion valve expansion decompression after become low
Warm refrigerant, low temperature refrigerant pass through the refrigerant flow duct of heat exchange module, refrigerant and water flowing pipe in the refrigerant flow duct
The water in road carries out heat exchange, reduces the coolant-temperature gage of water flowing pipeline, then the cooling water of the water flowing pipeline flows through battery temperature
Component and electric control radiating subassembly are controlled respectively to battery pack and electric control cooling down, and battery is cooling and electric control is cooling
It is all made of water cooling, water-cooled effect is high, meanwhile, the cooling capacity in the refrigerant of compressor is taken full advantage of, Energy Efficiency Ratio is higher.
And in heating operations, compressor is out of service, moves the water in pipeline by electric auxiliary heating device flow heated water, makes
Its temperature increases, sharp so then by heater core, battery temperature control component and electric control radiating subassembly of the water flow to HVAC
Interior temperature, the temperature of the temperature of battery are improved with the temperature in water.
In the heat management system other than evaporator required for refrigerant circulation and condenser, heat exchange mould has been only used
Block can meet interior, battery temperature adjusting and the heat dissipation of electric control simultaneously, greatly simplify system structure, together
When make full use of the cooling capacity of refrigerant, Energy Efficiency Ratio is high, and the response that temperature is adjusted is rapid.
Again since the water flowing pipeline is sleeved on the outside of refrigerant flow duct, the inner hole of refrigerant flow duct is formd
Refrigerant flow channel, the space between water flowing pipeline and refrigerant flow duct form water flow channel, water flow channel and
Refrigerant flow duct is arranged independently of each other, and refrigerant inlet, refrigerant exit, inlet and outlet, institute are provided on the shell
Refrigerant flow duct is stated to be connected with refrigerant inlet and refrigerant exit respectively, the water flow channel respectively with water inlet and water outlet
Mouth is connected, and the electric auxiliary heating device is PTC heating component, and PTC heating component is covered in water flowing pipeline external, the heat
Switching Module completes the heat exchange of refrigerant and water by the water flowing pipeline and refrigerant flow duct of mutual sheathing, and heat transfer effect is more
It is good, while PTC heating component also being facilitated to paste.
Again due to being provided with several supports on the outer wall of the refrigerant flow duct or on the inner wall of water flowing pipeline
Reinforcing rib, the supporting rib stiffener support between the refrigerant flow duct and water flowing pipeline, which can support
Refrigerant flow duct and water flowing pipeline, keep combined pipe intensity higher.
Again since the heat management system further includes high temperature refrigerant shunt conduit, the entrance of the high temperature refrigerant shunt conduit with
The gas outlet of compressor is connected to, and is provided with third solenoid valve in the high temperature refrigerant shunt conduit, is provided with the 4th in first pipe
The outlet of solenoid valve, the high temperature refrigerant shunt conduit is connected to the entrance of refrigerant flow duct, the high temperature refrigerant shunt conduit
It is located at the downstream of the second expansion valve with the link position of refrigerant flow duct, is provided with the first check valve on the third pipeline,
Second one-way valve is provided in the low temperature refrigerant shunt conduit, compressor compresses generation is utilized in the heat management system in this way
High temperature refrigerant carrys out the water in the dynamic pipeline of flow heated water, and after heat exchange, high temperature refrigerant temperature is reduced, after gas-liquid separator
It can enter in compressor and recycle again, such electric auxiliary heating device can preferentially be generated using compressor with assistant starting
High temperature refrigerant, and the Energy Efficiency Ratio of compressor is higher, more energy saving in this way, decreases in heat management system to battery capacity
Consumption, improves the cruising ability of battery.
Again since the upstream for being located at the first solenoid valve on the second pipe is provided with device for drying and filtering, the low temperature refrigerant
The entrance of shunt conduit is connected on second pipe and between device for drying and filtering and the first solenoid valve, and refrigerant goes out from condenser
By device for drying and filtering is dry and impurity screening after mouthful outflow, the moisture in absorbent refrigeration system, the impurity in barrier system makes
It cannot pass through, and prevent refrigeration system pipeline from ice occurs stifled and dirty stifled.
Again since the downstream for being located at third solenoid valve in the high temperature refrigerant shunt conduit is provided with hot gas bypass valve, the heat
The flow of the adjustable high temperature refrigerant of gas by-passing valve, the then heat exchanger effectiveness of adjustable heat exchange module.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the system construction drawing of the utility model embodiment;
Fig. 2 is one of structural schematic diagram of heat exchange module;
Fig. 3 is the transverse sectional view of water flowing pipeline and refrigerant flow duct;
Fig. 4 is the transverse sectional view of water flowing pipeline;
Fig. 5 is the transverse sectional view of refrigerant flow duct;
Fig. 6 is the transverse sectional view of another form of water flowing pipeline;
Fig. 7 is the transverse sectional view of another form of refrigerant flow duct;
Fig. 8 is the cross-sectional view under water flowing pipeline, refrigerant flow duct and water supply connector connection status;
Fig. 9 is the cross-sectional view of PTC heating component;
Figure 10 is the structural schematic diagram of another heat exchange module;
In attached drawing: 1. compressors;2. the 4th solenoid valve;3. condenser;4. device for drying and filtering;5. third solenoid valve;6. heat
Gas by-passing valve;7. the first solenoid valve;8. the first expansion valve;9.HVAC;9a. air blower;9b. evaporator;9c. heater core;10.
First check valve;11. the first threeway;12. heat exchange module;121. shell;122. water flowing pipeline;123. refrigerant flow duct
Road;124. water supply connector;125. water outlet connector;126. refrigerant inlet connector;127. refrigerant exit connector;128.PTC heating group
Part;1281. heat conducting pipe;1282.PTC heating ceramic piece;1283. overhang insulation layer;1284. thermal insulation layer;1285. thermally conductive
Glue;129. refrigerant flow channel;1210. water flow channel;1211. supporting rib stiffener;1212. interior reinforcing rib;1213. refrigerant stream
Enter supervisor;1214. water inlet supervisor;1215. water outlet main pipe;1216. refrigerants outflow supervisor;13. second one-way valve;14. second is swollen
Swollen valve;15. second solenoid valve;16. water pump;17. the first water valve;18. the second threeway;19. the second water valve;20. third water valve;
21. battery temperature control component;22. electric control radiating subassembly;23. third threeway;24. third check valve;25. water tank;26. gas-liquid
Separator;27. first pipe;28. second pipe;29. low temperature refrigerant shunt conduit;30. reflux line;31. high temperature refrigerant point
Flow tube road;32. third pipeline;33. battery temperature control pipeline;34. electric control hot channel;35. interior hot duct;
36.ECU;37. controller.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figures 1 to 10, a kind of heat management system of new-energy automobile, including compressor 1, condenser 3, first are swollen
Swollen valve 8, HVAC9, gas-liquid separator 26 pass through first pipe 27 between the gas outlet of the compressor 1 and the entrance of condenser 3
The outlet of connection, condenser 3 is connected to between the entrance of the first expansion valve 8 by second pipe 28, the outlet of the first expansion valve 8
It is connected between the entrance of the evaporator 9b of HVAC9, the outlet of evaporator 9b and the entrance of gas-liquid separator 26 pass through third pipe
Road 32 is connected to, and pipeline is connected between the gas outlet and the air inlet of compressor 1 of the gas-liquid separator 26, the heat management system
It further include heat exchange module 12, battery temperature control component 21 and electric control radiating subassembly 22;
As shown in Fig. 2 to Figure 10, the heat exchange module 12 include shell 121 and be set in shell 121 can mutually into
The water flowing pipeline 122 and refrigerant flow duct 123 of row heat exchange, the entrance of the refrigerant flow duct 123 pass through low temperature cold
The outlet of matchmaker's shunt conduit 29 and condenser 3 is provided with the first solenoid valve 7, the low temperature cold on the second pipe 28
Second solenoid valve 15 and the second expansion valve 14, the outlet of the refrigerant flow duct 123 and gas are provided in matchmaker's shunt conduit 29
Pipeline is connected between the entrance of liquid/gas separator 26;In the present embodiment, the first check valve 10 and first is provided on third pipeline 32
Threeway 11, refrigerant flow duct 123 are connected in the first threeway 11 and are then connected to the entrance of gas-liquid separator 26.First is unidirectional
Valve 10 is located at the upstream of the first threeway 11, ensure in this way by evaporator 9b absorb heat after refrigerant it is stable flow to gas-liquid separator
26 adverse current occurs without the flow effect by refrigerant in refrigerant flow duct 123.
The outside of the water flowing pipeline 122 is provided with electric auxiliary heating device, and the entrance of the water flowing pipeline 122 is logical
It crosses water pump 16 to be connected to water tank 25, the outlet of the water flowing pipeline 122 is separately connected battery temperature control pipeline 33, electric control dissipates
The arrival end of heat pipeline 34 and interior hot duct 35, wherein battery temperature control pipeline 33, electric control hot channel 34 and car
Hot duct 35 is connected by the second threeway 18 and the outlet with water flowing pipeline 122, meanwhile, interior hot duct
35, the first water valve 17, the second water valve 19 and third are respectively arranged on battery temperature control pipeline 33 and electric control hot channel 34
Water valve 20 is selectively unlocked according to actual needs or is closed for controlling the opening and closing of corresponding pipeline.In the present embodiment, water tank 25
Inside it is stored as medium water, it is of course possible to antifreezing agent be added in medium water or using other common heat transferring mediums.
The outlet of the battery temperature control pipeline 33 is connected to the entrance of battery temperature control component 21, electric control hot channel 34
Outlet be connected to the entrance of electric control radiating subassembly 22, outlet and the heater core 9c of HVAC9 of interior hot duct 35
Entrance connection, the outlet of the battery temperature control component 21, the outlet of electric control radiating subassembly 22 and heater core 9c go out
Mouth is connected to by reflux line 30 with water tank 25, wherein third check valve 24, battery temperature control group are provided on reflux line 30
The outlet of part 21, the outlet of electric control radiating subassembly 22 are connected to reflux line 30 again after connecting third threeway 23 simultaneously.
Wherein, battery temperature control component 21, which generally comprises, has the temperature control plate for circulating channel, and battery pack abuts against temperature control
On plate, the channel that circulates on temperature control plate is passed through cold water and then cools down, and is passed through hot water and then heats up, to realize that temperature is adjusted.It should
Battery temperature control component 21 is current existing structure.Similarly, electric control radiating subassembly 22 is also using current existing structure, only
It needs to connect in heat management system.And HVAC9 is Heating Ventilation and Air
The english abbreviation of Conditioning is exactly heating ventilation and air handling system, is the existing structure in current air-conditioning system,
It includes air blower 9a, evaporator 9b and heater core 9c, wherein air blower 9a is used to provide flowing wind, blows air into vehicle
Interior, evaporator 9b use will flow wind and refrigerant heat exchange, and heater core 9c is for generating heat, in this way, passing through evaporator
9b and heater core 9c generate cooling capacity and heat respectively, to realize interior refrigeration and heating.
As shown in Fig. 2 to Fig. 8, the water flowing pipeline 122 is sleeved on the outside of refrigerant flow duct 123, refrigerant flowing
The inner hole of pipeline 123 forms refrigerant flow channel 129, the space shape between water flowing pipeline 122 and refrigerant flow duct 123
At water flow channel 1210, water flow channel 1210 and refrigerant flow duct 123 are arranged independently of each other, on the shell 121
Be provided with refrigerant inlet, refrigerant exit, inlet and outlet, the refrigerant flow duct 123 respectively with refrigerant inlet and cold
Matchmaker outlet is connected, and the water flow channel 1210 is connected with inlet and outlet respectively, the electric auxiliary heating device
For PTC heating component 128, PTC heating component 128 is covered in outside water flowing pipeline 122.The water flowing pipeline 122 is set with
It is coil pipe in refrigerant flow duct 123, is respectively provided with the PTC heating component 128, institute between each straight line pipeline section of the coil pipe
It states and is fixed with water supply connector 124, water outlet connector 125, refrigerant inlet connector 126 and refrigerant exit connector 127 on shell 121, into
The mouth of a river is arranged in water supply connector 124, and water outlet is arranged on water outlet connector 125, and the arrival end of the water flowing pipeline 122 is solid
It is scheduled in water supply connector 124 and is connected to water inlet, the outlet end of the water flowing pipeline 122 is fixed on water outlet connector 125
And be connected to water outlet, the arrival end of the refrigerant flow duct 123 stretched out from the arrival end of water flowing pipeline 122 and penetrate through into
The outlet end of water swivel 124, the refrigerant flow duct 123, which is stretched out from the outlet end of water flowing pipeline 122 and penetrates through water outlet, to be connect
First 125, the arrival end and refrigerant inlet connector 126 of the refrigerant flow duct 123 are fixed, the outlet of refrigerant flow duct 123
End is fixed with refrigerant exit connector 127.
Heat exchange module 12 can also use other structures, as shown in Figure 10, the refrigerant flow duct 123 and water flowing
The quantity of pipeline 122 is multiple and is straight tube, and the PTC heating component 128, the shell 121 are arranged between adjacent straight tube
On be fixed with into water supervisor 1214, water outlet main pipe 1215, refrigerant flow into supervisor 1213 and refrigerant outflow supervisor 1216, the water inlet
Mouth, water outlet, refrigerant inlet and refrigerant exit are separately positioned on into water supervisor 1214, water outlet main pipe 1215, refrigerant and flow into supervisor
1213 and refrigerant outflow supervisor 1216 on, the both ends of the water flowing pipeline 122 be separately fixed at into water supervisor 1214 and water outlet
On supervisor 1215, the both ends of the refrigerant flow duct 123 are stretched out from 122 both ends of water flowing pipeline respectively and through water inlet supervisors
1214 and water outlet main pipe 1215, the both ends of the refrigerant flow duct 123 flow into supervisor 1213 with refrigerant respectively and refrigerant outflow is led
Pipe 1216 is fixed.
As shown in figure 9, the PTC heating component 128 includes heat conducting pipe 1281, PTC is provided in the heat conducting pipe 1281 and is added
Thermal Ceramics piece 1282, the end of heat conducting pipe 1281 are provided with overhang insulation layer 1283, the PTC heating ceramic piece 1282 and heat conducting pipe
Thermal insulation layer 1284 is provided between 1281, which is covered in the outside of outer tube by heat-conducting glue 1285, and PTC adds
Thermal Ceramics piece 1282 is by wire connection controller 37, and controller 37 then electrically connects the ECU36 of automobile.
As shown in Fig. 3 to Fig. 7, set on the outer wall of the refrigerant flow duct 123 or on the inner wall of water flowing pipeline 122
Several supporting rib stiffeners 1211 are equipped with, which supports the refrigerant flow duct 123 and water flowing pipeline
Between 122.Wherein, refrigerant flow duct 123 and water flowing pipeline 122 can be integrally formed, and certainly, the two may be point
Body formula structure, wherein as shown in Figure 4 and Figure 5, the inner wall of water flowing pipeline 122 is provided with supporting rib stiffener 1211, and refrigerant stream
The inner wall of dynamic pipeline 123 is provided with interior reinforcing rib 1212, increases the intensity of entire pipe-line system in this way.And Fig. 6 and Fig. 7 institute
Show, the inner wall of refrigerant flow duct 123 is provided with interior reinforcing rib 1212, and the outer wall of refrigerant flow duct 123 is provided with support and adds
Strengthening tendons 1211.
As shown in Figure 1, the heat management system further includes high temperature refrigerant shunt conduit 31, the high temperature refrigerant shunt conduit 31
Entrance be connected to the gas outlet of compressor 1, third solenoid valve 5, the high temperature are provided in the high temperature refrigerant shunt conduit 31
Downstream on coolant distribution pipeline 31 positioned at third solenoid valve 5 is provided with hot gas bypass valve 6.The 4th is provided in first pipe 27
The outlet of solenoid valve 2, the high temperature refrigerant shunt conduit 31 is connected to the entrance of refrigerant flow duct 123, the high temperature refrigerant point
Flow tube road 31 and the link position of refrigerant flow duct 123 are located at the downstream of the second expansion valve 14, set on the third pipeline 32
It is equipped with the first check valve 10, is provided with second one-way valve 13 in the low temperature refrigerant shunt conduit 29.On the second pipe 28
The upstream of first solenoid valve 7 is provided with device for drying and filtering 4, the entrance of the low temperature refrigerant shunt conduit 29 is connected to second
On pipeline 28 and between device for drying and filtering 4 and the first solenoid valve 7.
There are five types of operating modes for the heat management system tool of the utility model:
1) condensation that air conditioner refrigerating mode, the workflow in heat management system is: compressor 1 → the 4th solenoid valve 2 →
3 → device for drying and filtering of device, 4 → the first solenoid valve, 7 → the first 8 → evaporator of expansion valve 9b → first check valve, 10 → the first threeway
11 → gas-liquid separator, 26 → compressor 1, refrigerant cool down by condenser 3 after above-mentioned process and become liquid by high-temperature gas
Then state refrigerant becomes the refrigerant of low temperature gas-liquid state, then by evaporator 9b and car after the expansion of the first expansion valve 8
Air heat exchange realizes interior refrigeration in this way, the cooling capacity in refrigerant is blown into car by air blower 9a.
2) air-conditioning heating mode, workflow include refrigerant glide path and water flowing route;
2-1. refrigerant glide path: 6 → heat exchange module of compressor 1 → third, 5 → hot gas bypass valve of solenoid valve 12 → the
One 11 → gas-liquid separator of threeway, 26 → compressor 1;
2-2. water flowing route: 16 → heat exchange module of water pump, 12 → the first 17 → heater core of water valve 9c → water tank 25;
In this way, refrigerant becomes the gaseous coolant of high temperature after the compression of compressor 1, gaseous coolant passes through hot gas bypass valve 6
It enters in heat exchange module 12 and carries out heat exchange with water, in this way, refrigerant becomes the temperature raising of the refrigerant of low temperature and water, refrigerant
Gaseous coolant after separating is flowed back into gas-liquid separator 26 to enter in compressor 1 and recycle again, and the water after heating up flow into it is warm
In wind fuse 9c, heat is blown by the interior hot wind that formed by air blower 9a and completes heating.
And in heating mode, PTC heating component 128 is used to assist heating, and can star PTC heating when heat is inadequate
Component 128, flow heated water move the water in pipeline 122, it is ensured that water temperature is met the requirements.
3) battery pack cooling mode: its workflow includes refrigerant glide path and water flowing route;
3-1. refrigerant glide path: compressor 1 → 4 → the second electromagnetism of the 4th 2 → condenser of solenoid valve, 3 → device for drying and filtering
15 → the second 14 → second one-way valve of expansion valve, 13 → heat exchange module of valve, 12 → the first 11 → gas-liquid separator of threeway, 26 → pressure
Contracting machine 1;
3-2. water flowing route: 16 → heat exchange module of water pump, 12 → the second threeway, 18 → the second water valve 19 → battery temperature control
24 → water tank of component 21 → third threeway 23 → third check valve 25;
In this mode, refrigerant is after the cooling of condenser 3, and part coolant distribution is into the second expansion valve 14, by second
Expansion valve 14 continues cooling and forms low temperature gas-liquid mixed refrigerant after expanding, this low temperature refrigerant flows back into compression after being exchanged with water
In machine 1, and it is flowed into battery temperature control component 21 after water cooling and cools down to battery pack.
4) electric control cooling mode: its workflow includes refrigerant glide path and water flowing route;
4-1. refrigerant glide path, glide path are identical as the glide path in 3-1.
4-2. water flowing route;16 → heat exchange module of water pump, 12 → the second threeway 18 → third, 20 → electric control of water valve
24 → water tank of radiating subassembly 22 → third threeway 23 → third check valve 25;
Its cool principle is identical with battery pack cool principle.
5) battery pack heating mode: its workflow includes refrigerant glide path and water flowing route;
5-1. refrigerant glide path;6 → heat exchange module of compressor 1 → third, 5 → hot gas bypass valve of solenoid valve 12 → the
One 11 → gas-liquid separator of threeway, 26 → compressor 1;
5-2. water flowing route;16 → heat exchange module of water pump, 12 → the second threeway, 18 → the second water valve 19 → battery temperature control
24 → water tank of component 21 → third threeway 23 → third check valve 25;
In this mode, the high temperature refrigerant and water that the generation of compressor 1 is utilized carry out heat exchange, improve water temperature, then water is followed
Ring heats battery pack into battery temperature control component 21, the auxiliary heating of PTC heating component 128.
Above-mentioned operating mode selection and the opening and closing of each valve, the control of PTC heating component etc. by automobile ECU36
Control.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, on the basis of not departing from design spirit of the present invention, to various modifications and transformation that technical solution of the present invention is made, it should all fall
Enter in the protection scope that claims of the present invention determines.
Claims (9)
1. a kind of heat management system of new-energy automobile, including compressor (1), condenser (3), the first expansion valve (8), HVAC
(9), gas-liquid separator (26) pass through first pipe (27) between the gas outlet of the compressor (1) and the entrance of condenser (3)
Connection is connected between the outlet and the entrance of the first expansion valve (8) of condenser (3) by second pipe (28), the first expansion valve
(8) it is connected between outlet and the entrance of the evaporator (9b) of HVAC (9), the outlet and gas-liquid separator (26) of evaporator (9b)
Entrance by third pipeline (32) be connected to, between the gas outlet of the gas-liquid separator (26) and the air inlet of compressor (1)
Pipeline connection, it is characterised in that: the heat management system further includes heat exchange module (12), battery temperature control component (21) and motor
Automatically controlled radiating subassembly (22);
The heat exchange module (12) includes shell (121) and is set in shell (121) water flow that can mutually carry out heat exchange
The entrance of dynamic pipeline (122) and refrigerant flow duct (123), the refrigerant flow duct (123) passes through low temperature refrigerant isocon
The outlet in road (29) and condenser (3) is provided with the first solenoid valve (7), the low temperature cold on the second pipe (28)
Second solenoid valve (15) and the second expansion valve (14) are provided in matchmaker's shunt conduit (29), the refrigerant flow duct (123)
Outlet is connected to pipeline between the entrance of gas-liquid separator (26);The outside of the water flowing pipeline (122) is provided with electric auxiliary
The entrance of heating device, the water flowing pipeline (122) is connected to by water pump (16) with water tank (25), the water flowing pipeline
(122) outlet is separately connected battery temperature control pipeline (33), electric control hot channel (34) and interior hot duct (35)
The outlet of arrival end, the battery temperature control pipeline (33) is connected to the entrance of battery temperature control component (21), electric control heat-dissipating pipe
The outlet in road (34) is connected to the entrance of electric control radiating subassembly (22), the outlet and HVAC (9) of interior hot duct (35)
Heater core (9c) entrance connection, the outlet of the battery temperature control component (21), electric control radiating subassembly (22) go out
The outlet of mouth and heater core (9c) passes through reflux line (30) and is connected to water tank (25).
2. a kind of heat management system of new-energy automobile as described in claim 1, it is characterised in that: the water flowing pipeline
(122) it is sleeved on the outside of refrigerant flow duct (123), the inner hole of refrigerant flow duct (123) forms refrigerant flow channel
(129), the space between water flowing pipeline (122) and refrigerant flow duct (123) forms water flow channel (1210), water flow
The mutually indepedent setting of dynamic channel (1210) and refrigerant flow duct (123) is provided with refrigerant inlet, cold on the shell (121)
Matchmaker outlet, inlet and outlet, the refrigerant flow duct (123) are connected with refrigerant inlet and refrigerant exit respectively, institute
It states water flow channel (1210) to be connected with inlet and outlet respectively, the electric auxiliary heating device is PTC heating component
(128), it is external to be covered in water flowing pipeline (122) for PTC heating component (128).
3. a kind of heat management system of new-energy automobile as claimed in claim 2, it is characterised in that: the water flowing pipeline
(122) and refrigerant flow duct (123) is coil pipe, is respectively provided with the PTC heating group between each straight line pipeline section of the coil pipe
Part (128), be fixed on the shell (121) water supply connector (124), water outlet connector (125), refrigerant inlet connector (126) and
Refrigerant exit connector (127), water inlet are arranged on water supply connector (124), and water outlet is arranged on water outlet connector (125), institute
The arrival end for stating water flowing pipeline (122) is fixed on water supply connector (124) and is connected to water inlet, the water flowing pipeline
(122) outlet end is fixed on water outlet connector (125) and is connected to water outlet, the entrance of the refrigerant flow duct (123)
End is stretched out from the arrival end of water flowing pipeline (122) and is penetrated through water supply connector (124), and the refrigerant flow duct (123) goes out
Mouth end is stretched out from the outlet end of water flowing pipeline (122) and is penetrated through water outlet connector (125), the refrigerant flow duct (123)
Arrival end and refrigerant inlet connector (126) are fixed, and the outlet end and refrigerant exit connector (127) of refrigerant flow duct (123) are solid
It is fixed.
4. a kind of heat management system of new-energy automobile as claimed in claim 2, it is characterised in that: the refrigerant flow duct
(123) it is multiple and is straight tube with the quantity of water flowing pipeline (122), the PTC heating component is set between adjacent straight tube
(128), be fixed on the shell (121) into water supervisor (1214), water outlet main pipe (1215), refrigerant flow into supervisor (1213) and
Refrigerant outflow supervisor (1216), the water inlet, water outlet, refrigerant inlet and refrigerant exit are separately positioned on into water and are responsible for
(1214), water outlet main pipe (1215), refrigerant flow on supervisor (1213) and refrigerant outflow supervisor (1216), the water flowing pipeline
(122) both ends are separately fixed at on water supervisor (1214) and water outlet main pipe (1215), the refrigerant flow duct (123)
Both ends are stretched out from water flowing pipeline (122) both ends respectively and through water inlet supervisor (1214) and water outlet main pipe (1215), the refrigerants
Supervisor (1213) is flowed into refrigerant respectively for the both ends of flow duct (123) and refrigerant outflow supervisor (1216) is fixed.
5. a kind of heat management system of new-energy automobile as described in claim 3 or 4, it is characterised in that: the refrigerant flowing
Several supporting rib stiffeners (1211), the branch are provided on the outer wall of pipeline (123) or on the inner wall of water flowing pipeline (122)
Reinforcing rib (1211) are supportted to support between the refrigerant flow duct (123) and water flowing pipeline (122).
6. a kind of heat management system of new-energy automobile as described in claim 1, it is characterised in that: the heat management system is also
Including high temperature refrigerant shunt conduit (31), the entrance of the high temperature refrigerant shunt conduit (31) is connected to the gas outlet of compressor (1),
It is provided with third solenoid valve (5) in the high temperature refrigerant shunt conduit (31), first pipe is provided with the 4th solenoid valve on (27)
(2), the outlet of the high temperature refrigerant shunt conduit (31) is connected to the entrance of refrigerant flow duct (123), the high temperature refrigerant point
The link position of flow tube road (31) and refrigerant flow duct (123) is located at the downstream of the second expansion valve (14), the third pipeline
(32) it is provided on the first check valve (10), is provided with second one-way valve (13) on the low temperature refrigerant shunt conduit (29).
7. a kind of heat management system of new-energy automobile as described in claim 1, it is characterised in that: the second pipe (28)
The upper upstream positioned at the first solenoid valve (7) is provided with device for drying and filtering (4), and the entrance of the low temperature refrigerant shunt conduit (29) connects
It is connected on second pipe (28) and between device for drying and filtering (4) and the first solenoid valve (7).
8. a kind of heat management system of new-energy automobile as claimed in claim 6, it is characterised in that: the high temperature refrigerant shunts
Downstream on pipeline (31) positioned at third solenoid valve (5) is provided with hot gas bypass valve (6).
9. a kind of heat management system of new-energy automobile as described in claim 1, it is characterised in that: the reflux line (30)
On be provided with third check valve (24).
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CN201821224284.2U CN208593269U (en) | 2018-08-01 | 2018-08-01 | A kind of heat management system of new-energy automobile |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108715125A (en) * | 2018-08-01 | 2018-10-30 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat management system of new-energy automobile |
CN110182017A (en) * | 2019-04-16 | 2019-08-30 | 江苏敏安电动汽车有限公司 | A kind of automobile heat pump air-conditioning system integrated battery packet heating and cooled down |
-
2018
- 2018-08-01 CN CN201821224284.2U patent/CN208593269U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108715125A (en) * | 2018-08-01 | 2018-10-30 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat management system of new-energy automobile |
CN110182017A (en) * | 2019-04-16 | 2019-08-30 | 江苏敏安电动汽车有限公司 | A kind of automobile heat pump air-conditioning system integrated battery packet heating and cooled down |
CN110182017B (en) * | 2019-04-16 | 2020-12-22 | 江苏敏安电动汽车有限公司 | Automobile heat pump air conditioning system integrating heating and cooling of battery pack |
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Address after: 215621 Suzhou cypress New Energy Technology Co., Ltd., Changfeng Village, Leyu Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Suzhou cypress New Energy Technology Co., Ltd Address before: 215621, Jiangsu, Suzhou, Zhangjiagang Province, Yu Town, Wynn village, Suzhou Sai Sai new energy automotive air conditioning Co., Ltd. Patentee before: Suzhou Sai Sai new energy automotive air conditioning Co., Ltd. |