CN110411051A - Heat management system and injector - Google Patents
Heat management system and injector Download PDFInfo
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- CN110411051A CN110411051A CN201810536066.0A CN201810536066A CN110411051A CN 110411051 A CN110411051 A CN 110411051A CN 201810536066 A CN201810536066 A CN 201810536066A CN 110411051 A CN110411051 A CN 110411051A
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- injector
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- import
- valve
- influent stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0013—Ejector control arrangements
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
A kind of heat management system, applied to new-energy automobile, including compressor, HP cooler, evaporator, battery cooler, gas-liquid separator and injector, the injector includes the first import, second import and outlet, gas-liquid separator includes first interface, second interface and third interface, the outlet of compressor and the inlet communication of HP cooler, the outlet of HP cooler and the first inlet communication of injector, the outlet of injector and the inlet communication of battery cooler, battery cooler outlet is connected to the first interface of gas-liquid separator, the second interface of gas-liquid separator is communicated with compressor, the third interface of gas-liquid separator is connected to evaporator, second inlet communication of evaporator outlet and injector, enter the refrigerant of injector through the second import and is gone forward side by side by the refrigerant mixing that the first import enters injector Enter the battery cooler；Injector exit passageway includes mixing unit and diffusion part, and the cross-sectional flow area of diffusion part gradually increases.
Description
[technical field]
The present invention relates to a kind of systems applied to vehicle, and in particular to heat management system and be applied to the heat management system
Injector in system.
[background technique]
The system of vehicle includes heat management system, in particular for new-energy automobile, needs to cool down battery to protect
The working performance for demonstrate,proving battery, since the operating temperature of battery needs in a certain range, in order to guarantee battery work predetermined
Operating temperature range in, in background technique, generally use a battery cooler in parallel with A/C evaporator to cool down electricity
Pond.Since battery cooler and evaporator are parallel in refrigeration system, the evaporating temperature of battery cooler and A/C evaporator
Evaporating temperature is consistent, causes battery chiller temperature too low, and certain influence is generated to battery life and efficiency.Meanwhile in electricity
In electrical automobile cooling system, the cooling load of battery is often higher than the cooling load of A/C evaporator, and has very broad
Load control system range.
Cooling battery, passenger compartment cooling and efficient refrigeration system are how combined, electric car High Efficiency Thermal management is met
Demand is a technical problem to be solved urgently battery work in scheduled temperature range.
[summary of the invention]
The purpose of the present invention is to provide a kind of heat management system and the adjustable injectors of flow, and battery work is made to exist
Scheduled working range, and improve whole system efficiency.
To achieve the above object, the present invention adopts the following technical scheme: a kind of heat management system, the heat management system are answered
For new-energy automobile, the heat management system includes compressor, HP cooler, evaporator, battery cooler, gas-liquid separation
Device and injector, the injector include the first import, the second import and outlet, and the gas-liquid separator connects including first
Mouthful, second interface and third interface, the first interface is the import of the gas-liquid separator, the second interface and described
Third interface is the outlet of the gas-liquid separator；The outlet of the compressor and the inlet communication of the HP cooler, institute
State outlet and the first inlet communication of the injector, the outlet of the injector and the battery cooler of HP cooler
Inlet communication, the battery cooler outlet is connected to the first interface of the gas-liquid separator, the gas-liquid separator
The third interface of the inlet communication of second interface and the compressor, the gas-liquid separator is connected to the evaporator, described
Second inlet communication of evaporator outlet and the injector enters the refrigerant of injector through the second import and through described first
The refrigerant that import enters the injector is mixed and fed into the battery cooler；The injector includes valve body, the valve
Body has first import, second import, the outlet, the first influent stream channel, the second influent stream channel and outlet logical
Road, the exit passageway include mixing unit and diffusion part, and first import is connected to first influent stream channel, and described second
Import is connected to second influent stream channel, the refrigerant in first influent stream channel and the refrigerant in second influent stream channel
It is mixed in the mixing unit, throttling ejection section, the mixing unit is provided between first intake channel and the mixing unit
By the diffusion part and the outlet, the actual internal area close to the diffusion part in the exit is greater than close to institute
State the actual internal area of the diffusion part at mixing unit, cross-sectional flow area of the exit passageway at the diffusion part by
It is cumulative to add.
A kind of injector, including valve body, valve seat, needle, rotor assembly and stator module, valve body be formed with first into
Mouth, the second import, outlet, the first influent stream channel, the second influent stream channel, installation cavity and outlet stream channel, the outlet stream
Road includes mixing unit and diffusion part, and first import is connected to first influent stream channel, second import and described the
The connection of two influent stream channels, the mixing unit is connected to second intake channel by installation cavity, the mixing unit and described the
Throttling ejection section is provided between one influent stream channel, the diffusion part is connected to the mixing unit and the outlet, and the valve seat holds
It is placed in the installation cavity, the valve seat is fixedly installed relative to valve body, and the valve seat is formed with valve port, the throttling ejection section packet
The valve port is included, the stator module is set to the rotor assembly periphery, after the stator module is powered, the rotor assembly
It is rotated in the excitation field that the stator module generates, the rotor assembly drives the valve needle movements, and the needle can
It being moved close to or far from the valve port, the needle can control the actual internal area of the refrigerant at the valve port, and described the
Two influent stream channels are connected to the mixing unit of the circulation road out, and first influent stream channel and the circulation road out can pass through institute
State valve port connection.
Heat management system and injector provided by the invention, by the way that injector, injector are arranged in heat management system
Including two imports, one outlet and exit passageway, the outlet of one of import and HP cooler, one of them
The outlet of import and evaporator can make the pressure of refrigerant improve, out so that two-way refrigerant is mixed in mixing unit
Mouth channel includes mixing unit and diffusion part, and diffusion part is connect with battery cooler, while can need to design according to cooling
Mixing unit and diffusion part enable to the temperature into the refrigerant of battery cooler to be higher than evaporator evaporating temperature in this way,
Be conducive to improve heat exchange efficiency and the service life of battery of battery, and optimize the efficiency of whole system.
[Detailed description of the invention]
Fig. 1 is a kind of system connection schematic diagram of heat management system；
Fig. 2 is a kind of axis geodesic structure schematic diagram of injector in Fig. 1；
Fig. 3 is a kind of positive structure diagram of injector in Fig. 2；
Fig. 4 is the first structural schematic diagram of the Section A-A of injector in Fig. 3；
Fig. 5 is second of structural schematic diagram of the Section A-A of injector in Fig. 3；
Fig. 6 is battery working efficiency trend schematic diagram corresponding with operating temperature.
[specific embodiment]
The present invention will be further explained below with reference to the attached drawings and specific examples:
Referring to Fig. 1, the heat management system in the present embodiment can be applied to new-energy automobile, which includes vehicle
Compartment air-conditioning part and battery heat exchanging part, on the one hand with compartment exchange heat, on the other hand with battery exchange heat, when battery heat-exchange temperature not
When suitable, the service life of battery will seriously affect, battery work is advantageously allowed in predetermined temperature by a set of heat management system in this way
Region is spent, and then is conducive to improve heat exchange efficiency and the service life of battery of battery.
The working media flowed in the heat management system includes refrigerant, and refrigerant includes carbon dioxide, R134 etc., the heat
Management system includes compressor 10, HP cooler 20, injector 30, battery heat exchanger 40, gas-liquid separator 50 and steams
Device 60 is sent out, wherein evaporator can exchange heat with compartment, and battery heat exchanger can exchange heat with battery；Injector 30 includes the first import
31, the second import 32 and outlet 33, gas-liquid separator 50 include first interface 501, second interface 502 and third interface
503, the inlet communication of the outlet of compressor 10 and HP cooler 20, the first of the outlet of HP cooler 20 and injector 30
Import 31 is connected to, the outlet 33 of injector 30 and the inlet communication of battery cooler 40, the outlet of battery cooler and gas-liquid point
First interface 501 from device 50 is connected to, the second interface 502 of gas-liquid separator 50 and the inlet communication of compressor 10, gas-liquid point
The inlet communication of third interface 503 and evaporator 60 from device, the outlet of evaporator 60 and the second import 32 of injector 30 connect
It is logical, enter the refrigerant of injector 30 through the second import 32 and the refrigerant mixing of injector 30 is entered simultaneously by the first import 31
Into battery cooler 40.The above connection includes directly connection, by pipeline connection, and pipe is connected to and passed through by third element
Road is connected to third element.Air-conditioning system and battery heat-exchange system are connected by injector 30 in this way, are arranged three in injector
Communicating passage, it is possible to reduce the connection of valve member and pipeline fitting, system simplify, while injector realizes that flow is adjusted, and then controls
By the pressure of battery cooler, enable to the temperature into the refrigerant of battery cooler can be in range appropriate in this way
It is interior, be conducive to the heat exchange efficiency for improving battery and the service life of battery.Wherein battery heat-exchange system includes battery heat exchanger, air-conditioning
System includes compressor, HP cooler, evaporator, control valve etc., for the cooling in compartment can through this embodiment in
In addition cooling of the evaporator for compartment, the present embodiment can also be arranged in evaporator between HP cooler and the first import
In to enter through the first import to enter the refrigerant of injector be one of branch.
Specifically, injector 30 includes valve body 34, and valve body 34 has the first import 31, the second import 32, outlet 33, first
Influent stream channel 35, the second influent stream channel 36 and exit passageway 37, exit passageway 37 include mixing unit 371 and diffusion part 372, the
One import 31 is connected to the first influent stream channel 35, and the second import 32 is connected to the second influent stream channel 36, the first influent stream channel 35
Refrigerant and the refrigerant in the second influent stream channel 36 are mixed in mixing unit 371, are set between the first influent stream channel 35 and mixing unit 371
It is equipped with throttling ejection section 357, the refrigerant of mixing unit 371 is connected to after diffusion part 372 with outlet 33, at outlet 33
The actual internal area of diffusion part 372 is greater than the actual internal area of the diffusion part 372 at mixing unit 371, the stream of diffusion part 372
Logical sectional area gradually increases.In this way, can need to design mixing unit 371 and diffusion part 372, the present embodiment according to cooling
In, it further includes buffer part 373 between diffusion part 372 and outlet 33 that the length of mixing unit 371, which is twice of 372 length of diffusion part,
The diameter of the inner hole of buffer part 373 is identical as the diameter of inner hole of 372 end of diffusion part, the diameter of the inner hole of buffer part 373 with
The internal orifice dimension of outlet is identical, in this way, the degree of superheat situation after the heat exchange situation and throttling for determining evaporator, advantageously allows
The temperature of battery cooler is between temperature range A-B, as shown in fig. 6, in the temperature range, the working efficiency of battery compared with
It is high；Temperature region A-B for example can be 18 DEG C -35 DEG C.
Outlet can also be separately provided with 34 split settings of valve body in certain exit passageway 37, outlet forms outlet
Channel 37, outlet are fixedly connected and are tightly connected with valve body 34, and exit passageway 37 is connected to installation cavity 39 and is connected to cushion chamber 373
Setting.It can certainly be not provided with buffer, to expansion when cushion chamber docks mainly for reducing with the components other than injector
Dissipate the influence of portion's working media.
In the present embodiment, battery heat exchanger 40, which can be arranged close to battery and pass through refrigerant, directly carries out hot friendship with battery
It changes, naturally it is also possible to two channels are set in battery heat exchanger 40, one of channel is circulated for refrigerant, another
Channel is used for the circulation of coolant liquid, refrigerant and coolant liquid carried out in battery heat exchange 40 heat exchange, coolant liquid and battery into
Row heat exchange.
When heat management system works, the high-temperature high-pressure refrigerant being discharged from compressor 10 enters HP cooler 20, passes through
The refrigerant of HP cooler 20 is cooled, and then refrigerant enters injector 30 by the first import 31 of injector 30, from
The refrigerant that the outlet 32 of injector 30 is flowed out enters battery cooler 40, and the refrigerant by battery cooler 40 passes through gas-liquid
The first interface 501 of separator enters gas-liquid separator 50, and in gas-liquid separator 50, refrigerant is divided into vapor phase refrigerant and liquid
Phase refrigerant, vapor phase refrigerant are sucked up to the import of compressor 10, liquid phase refrigeration by the second interface 502 of gas-liquid separator
Agent enters evaporator 60 by the third interface 503 of gas-liquid separator；Flow through the refrigerant of evaporator 60 the by injector
Two imports 32 enter injector 30, enter the refrigerant of injector 30 by the second import 32 of injector and pass through the first import
31 refrigerants for entering injector 30 are mixed in mixing unit 371, in this way in the temperature of the refrigerant of mixing unit due to by steaming
The mixing of device flow path is sent out, temperature can be higher than entering the evaporating temperature of evaporator, and mixed refrigerant expands by diffusion part 372
It dissipates, into battery cooler 40.In the present embodiment, heat management system further includes a control valve 38, and control valve 38 is set to evaporation
Between device 60 and gas-liquid separator 50, the on-off of the flow path and the size of flow are controlled by the control valve 38.Especially need
, it is noted that when battery load is relatively low or does not have load, into battery cooler 40 refrigerant evaporation capacity very
It is small, or there is no heat exchange, this does not influence the operation of whole system, can pass through the flow of the first import of adjusting injector
Whole system is controlled with the control valve flow into evaporator, realizes the efficient operation of system；Equally, when A/C evaporator is negative
Lotus is relatively low, or when not having load, can control the aperture of control valve 38, be reduced or turned off evaporator flow, battery is cold
But the load of device 40 is adjusted by the first inlet flow rate of injector 30, the structure of this heat management system and adjustable injector
It is required particularly suitable for the load character of thermal management system of electric automobile and control.
Referring to fig. 2 to Fig. 4, injector 30 includes control unit 1, stator module 2, rotor assembly 3, needle 4, valve seat 5, sleeve
6, connecting plate 7 and valve body 34, control unit 1 include shell 11 and control panel 12, and shell 11 is fixedly connected with stator module 2, this
In embodiment, lower case and stator module 2 injection molding of shell 11 are fixed, and the lower case of the upper housing and shell 11 of shell 11 passes through
Ultrasonic bonding or laser welding, connecting plate 7 and the injection molding of stator module 2 are fixed, and connecting plate 7 is provided with connecting hole, and screw passes through
Connecting hole and valve body 34 are fixed, and then stator module 2, control unit 1 and valve body 34 are fixed.Control panel 12 is set in shell 11
Chamber, control panel 12 are electrically connected with stator module 2 and control the energization or power-off of stator module 2.In the present embodiment, stator module 2
It is set to the periphery of rotor assembly 3, sleeve 6 is isolated by rotor assembly 3 and stator module 2, and rotor assembly 3 is set in sleeve 6
Week, stator module 2 are set to 6 periphery of sleeve, and rotor assembly 3 can drive needle 4 to move, and valve seat 5 is set with respect to the fixation of valve body 4
Set, valve seat 5 is formed with valve port 8, and needle 4 can be moved with respect to valve port 8, needle 4 can adjust the actual internal area at valve port 8 into
And control the flow of the refrigerant by valve port 8.The above throttling ejection section 357 includes valve port 8.
Control unit 1 further includes external connection portion 13, is connect by 13 power supply of external connection portion and signal with injector, and external connection portion 13 is wrapped
Include socket 131 and contact pin 132, contact pin 132 is set to 131 inner cavity of socket, and in the present embodiment, external connection portion 13 is set to control unit
The side of 1 lower case, contact pin 132 is L-shaped, and one end of contact pin 132 is electrically connected with electric-controlled plate 12, and the other end of contact pin 132 is stretched
Enter 132 inner cavity of socket, such contact pin plays certain buffer function, advantageously reduces the vibration of vehicle to contact pin and electric-controlled plate
The influence of connection reliability.
Referring to fig. 4, valve body 34 is also formed with installation cavity, and valve seat 5 is placed in installation cavity, and valve seat 5 includes limiting section 51, first
Side wall 52 and second sidewall 53, the first side wall 52 extend from limiting section 51 to the side of limiting section 51, and second sidewall 53 limits certainly
Position portion extends to the other side of limiting section 51, i.e., the first side wall 52 and second sidewall 53 are relative to limiting section to the two of limiting section 51
A different directions extend；Limiting section 51 is fixed relative to valve body 34, and the outlet in the first influent stream channel 35 is located at 51 side of limiting section,
The outlet in the second influent stream channel 36 is located at the other side of limiting section 51, and limiting section 51 and valve body 34 are relatively fixed and in limiting section 51
Interconnecting piece between valve body 34 is provided with sealing ring 345；Installation cavity is divided into the first cavity 391 and the second chamber by limiting section 51
Body 392, the first cavity 391 are connected to the first influent stream channel 35, and the second cavity 392 is connected to the second influent stream channel 36, the first chamber
Body 391 can be connected to the second cavity 392 by valve port 8.Specifically, the first side wall 52 prolongs from limiting section 51 to the first cavity 391
It stretches, second sidewall 53 extends from limiting section 51 to the second cavity 392.Certainly, the second influent stream channel can also directly and mixing unit
Connection, as shown in figure 5, temperature range in this way is opposite.
Valve seat 5 further includes transition passage 54, and the inner periphery of second sidewall 53 is wrapped around transition passage 54, transition passage 54 is formed
Transition passage outlet 541 is included, refrigerant enters transition passage 54 by valve port 8, and it is logical to leave transition by transition passage outlet 541
Road 54, the actual internal area of transition passage 54 export 541 from valve port 8 to transition passage and gradually increase, transition passage outlet 541 with
Exit passageway 37 connects, and specifically transition passage outlet 541 is connect with mixing unit 371, the flow area of transition passage outlet 541
Product is less than the actual internal area of mixing unit 371；The inner wall interval one of the valve body 34 of the outer wall and formation installation cavity of second sidewall 53
Fixed gap, so that the refrigerant in the second cavity 392 is able to enter the mixing unit 371 of exit passageway.Throttling ejection section 357 is also wrapped
Include transition passage 54.
Valve seat 5 further includes guide part 521 and guide part chamber 501, and needle 4 is set to guide part inner cavity 501, the present embodiment
In, the internal partial wall of the first side wall 52 forms guide part 521, and needle 4 can move in guide part 521, the first side wall 52
It is formed with through hole 522, through hole 522 is connected to the first cavity 391 and guide part chamber 501, and when system works, refrigerant passes through the
One import 31 enters the first influent stream channel 35, and the first influent stream channel 35 is connected to the first cavity 391, and refrigerant is through the first cavity
391 are connected to guide part chamber 501, and the refrigerant of guide part chamber 501 is connected to by valve port 8 with transition passage 54, transition passage 54
Refrigerant 541 be connected to mixing unit 371 by transition passage outlet.
In the present embodiment, the first influent stream channel 35 is set to the side of installation cavity, and the second influent stream channel 36 is set to installation
The chamber other side, the first influent stream channel 35 are vertically arranged with exit passageway 37, the angle in the second influent stream channel 36 and exit passageway 37
Greater than 90 °, the channel being arranged in this way is conducive to channel in the intracorporal reasonable Arrangement of valve.
The injector of present embodiment further includes valve interconnecting piece 9, and valve interconnecting piece 9 is at least partly placed in the installation of valve body 34
First cavity 391 of chamber, valve interconnecting piece 9 and valve body 34 are connected through a screw thread or are clamped by circlip, valve interconnecting piece 9 and sleeve
6 welding, since usual valve body 34 is made of aluminum material, sleeve 6 is made of stainless steel material, and valve body 34 and sleeve 6 are difficult to directly
It welds, the valve interconnecting piece 9 in the present embodiment is made of stainless steel material, therefore can be connected by the way that sleeve 6 is welded and fixed with valve
Portion 9, valve interconnecting piece 9 are fixedly connected with valve body machinery 34, and then sleeve 6 is fixedly connected with valve body 34.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention
Case, although this specification is referring to the above embodiments, the present invention has been described in detail, the common skill of this field
Art personnel should be appreciated that person of ordinary skill in the field still can modify or equivalently replace the present invention, and
All do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover in scope of the presently claimed invention
It is interior.
Claims (11)
1. a kind of heat management system, the heat management system is applied to new-energy automobile, it is characterised in that: the heat management system
Including compressor, HP cooler, evaporator, battery cooler, gas-liquid separator and injector, the injector includes the
One import, the second import and outlet, the gas-liquid separator include first interface, second interface and third interface, described
First interface is the import of the gas-liquid separator, and the second interface and the third interface are going out for the gas-liquid separator
Mouthful；The outlet and the inlet communication of the HP cooler, the outlet of the HP cooler and the injection of the compressor
First inlet communication of device, the outlet of the injector and the inlet communication of the battery cooler, the battery cooler go out
Mouth is connected to the first interface of the gas-liquid separator, and the import of the second interface of the gas-liquid separator and the compressor connects
Logical, the third interface of the gas-liquid separator is connected to the evaporator, and the second of the evaporator outlet and the injector
Inlet communication, the refrigerant for entering the refrigerant of injector through the second import and entering the injector through first import are mixed
It is combined into the battery cooler；The injector includes valve body, the valve body have first import, described second into
Mouth, the outlet, the first influent stream channel, the second influent stream channel and exit passageway, the exit passageway include mixing unit and expansion
The portion of dissipating, first import are connected to first influent stream channel, and second import is connected to second influent stream channel, institute
The refrigerant of the refrigerant and second influent stream channel of stating the first influent stream channel is mixed in the mixing unit, first import
Throttling ejection section is provided between channel and the mixing unit, the mixing unit passes through the diffusion part and the outlet,
It is greater than the circulation of the diffusion part at the mixing unit close to the actual internal area of the diffusion part in the exit
Sectional area, cross-sectional flow area of the exit passageway at the diffusion part gradually increase.
2. heat management system according to claim 1, it is characterised in that: the third interface of the gas-liquid separator and described
It is provided with control valve between the import of evaporator, the control valve can control the third interface of the gas-liquid separator and described
The on-off of the refrigerant of the import of evaporator simultaneously can be with continuously adjusting flow rate.
3. heat management system according to claim 2, it is characterised in that: the injector includes valve seat, needle, rotor set
Part and stator module, the valve body are also formed with installation cavity, and the valve seat is fixedly installed relative to valve body, the valve seat forming
There is valve port, the throttling ejection section includes the valve port, and the stator module is set to the rotor assembly periphery, the stator
After component is powered, the rotor assembly rotates in the excitation field that the stator module generates, and the rotor assembly drives valve
Needle movement, the needle can be moved close to or far from the valve port, and the needle can control the circulating face at the valve port
Product, the valve seat are placed in the installation cavity, and first influent stream channel can be connected with the circulation road out by the valve port
It is logical.
4. heat management system according to claim 2, it is characterised in that: the injector further includes electric control part, the electricity
Control portion includes shell and electric-controlled plate, and the electric-controlled plate can receive the whole vehicle control signal of the new-energy automobile, and generate control
The control signal of injector processed, part enclosure and the stator module integrated injection molding shape.
5. a kind of injector, including valve body, valve seat, needle, rotor assembly and stator module, valve body be formed with the first import,
Second import, outlet, the first influent stream channel, the second influent stream channel, installation cavity and outlet stream channel, the outlet flow packet
Include mixing unit and diffusion part, first import is connected to first influent stream channel, second import with described second into
Circulation road connection, the mixing unit is connected to second intake channel by installation cavity, the mixing unit and described first into
Throttling ejection section is provided between circulation road, the diffusion part is connected to the mixing unit and the outlet, the valve seat are placed in
The installation cavity, the valve seat are fixedly installed relative to valve body, and the valve seat is formed with valve port, and the throttling ejection section includes institute
Valve port is stated, the stator module is set to the rotor assembly periphery, and after the stator module is powered, the rotor assembly is in institute
Stating can rotate in the excitation field of stator module generation, and the rotor assembly drives the valve needle movements, and the needle can
It being moved close to or far from the valve port, the needle can control the actual internal area of the refrigerant at the valve port, and described the
Two influent stream channels are connected to the mixing unit of the circulation road out, and first influent stream channel and the circulation road out can pass through institute
State valve port connection.
6. injector according to claim 5, it is characterised in that: the valve seat further includes transition passage, and the transition is logical
Road includes valve port and channel outlet, and the channel outlet is connected to the mixing unit, and the circulation area of the transition passage is from institute
Valve port is stated to gradually increase to channel outlet.
7. injector according to claim 6, it is characterised in that: the valve seat includes limiting section, the limiting section and institute
It states valve body to be fixedly connected, the outlet in first influent stream channel is located at the limiting section side, and second influent stream channel goes out
Mouth is located at the other side of the limiting section, and the installation cavity is divided into the first cavity and the second cavity by the limiting section, described
First cavity is connected to second cavity by the throttling ejection section, and first cavity and first influent stream channel connect
Logical, second cavity is connected to second influent stream channel.
8. according to the described in any item injectors of claim 5-7, it is characterised in that: the injector further include valve interconnecting piece and
Sleeve, at least partly described sleeve are set between the stator module and the rotor assembly, and the sleeve is stainless steel
Material is made, and the valve body is made of aluminum material, the valve interconnecting piece and the valve body screw thread, and the interconnecting piece and the sleeve weld
It connects.
9. injector according to claim 8, it is characterised in that: the injector includes electric control part, the electric control part packet
Electric-controlled box and electric-controlled plate are included, the electric-controlled box includes upper housing and lower case, and the lower case and the stator module are integrally infused
It is moulded into shape, the upper housing is welded and fixed with the lower case.
10. according to injector described in claim 9, it is characterised in that: the electric control part can receive control signal, the electricity
Control portion controls signal to adjust the aperture of the throttling ejection section, by adjusting the aperture of the throttling ejection section based on the received
It adjusts and enters the first inlet refrigerant flow, and be adjusted into the stream of the second inlet refrigerant drainage of the injector
Amount, control enter the refrigerant flow of the battery cooler.
11. according to the described in any item injectors of claim 5-7, it is characterised in that: the actual internal area phase of the mixing unit
Together, the length of the mixing unit is more than or equal to the length of the diffusion part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810393133 | 2018-04-27 | ||
| CN2018103931338 | 2018-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110411051A true CN110411051A (en) | 2019-11-05 |
Family
ID=68358007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810536066.0A Pending CN110411051A (en) | 2018-04-27 | 2018-05-30 | Heat management system and injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110411051A (en) |
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| CN111141053A (en) * | 2019-12-10 | 2020-05-12 | 清华大学 | Forced circulation system of power battery pack based on two-phase flow heat transfer and control method |
| CN111146512A (en) * | 2019-12-09 | 2020-05-12 | 清华大学 | Electric automobile thermal safety management system and method with composite jet-spraying device |
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Effective date of registration: 20210816 Address after: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 no.289-2, No.12 street, Xiasha Economic Development Zone, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Sanhua Research Institute Co.,Ltd. |
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