CN107813678A - Electric automobile and its air-conditioning system - Google Patents
Electric automobile and its air-conditioning system Download PDFInfo
- Publication number
- CN107813678A CN107813678A CN201711237820.2A CN201711237820A CN107813678A CN 107813678 A CN107813678 A CN 107813678A CN 201711237820 A CN201711237820 A CN 201711237820A CN 107813678 A CN107813678 A CN 107813678A
- Authority
- CN
- China
- Prior art keywords
- electric automobile
- conditioning system
- valve
- compressor
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3222—Cooling devices using compression characterised by the compressor driving arrangements, e.g. clutches, transmissions or multiple drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- 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
- F25B49/022—Compressor control arrangements
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides a kind of electric automobile air-conditioning system, including compressor, condenser, evaporator, the tie point in parallel being arranged between the condenser and the evaporator and the second branch road, the commutation four-way valve being arranged on the compressor outlet pipeline and the compressor return air pipeline, it is arranged on the evaporator input and the expansion valve of output end, one end of the expansion valve is connected with the tie point, the tie point includes first pressure check valve, and second branch road includes the capillary and second pressure check valve of series connection.The air-conditioning system of the electric automobile of the present invention, there are refrigeration and heat-production functions.
Description
Technical field
The invention mainly relates to Refrigeration ＆ Air-Conditioning field, more particularly, to a kind of air-conditioning system of electric automobile.
Background technology
Electric automobile has without use pollution, noise is low and saves the spies such as petroleum resources compared with ordinary internal combustion engine automobile
Point, it has also become one of clean environment firendly vehicles of new generation.In conventional fuel oil automobile, it can easily obtain to utilize and start
The heat of machine cooling water tank is to carry out heating, therefore air-conditioning system only single round-robin system cold operation.But do not sent out in electric automobile
Motivation cooling water tank heating, the heat-production functions of commercially available automobile are to use PTC heating modes.But consume the battery on electric automobile
Electric energy, its heating efficiency is relatively low, influences the mileages of continuation of electric automobile, constrains electric automobile and promotes, popularizes.Therefore the phase
Prestige has a kind of new both cooling and heating formula (heat-pump-type) electric automobile air-conditioning system.
On the other hand, because the particularity of air conditioning for automobiles working environment is born as that must bear frequently vibrations and impact, the heat of air-conditioning
Carry big, compressor arrangement space is limited etc. determines its design, installation, technical requirements etc. and common air-conditioning You Hen great areas
Not.Other occasions, such as the heat pump type air conditioner of family expenses cannot be used directly for electric automobile.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of electric automobile and its air-conditioning system, has and freezes and heat work(
Energy.
In order to solve the above technical problems, the invention provides a kind of electric automobile air-conditioning system, including including compressor, cold
Condenser, evaporator, the tie point in parallel being arranged between the condenser and the evaporator and the second branch road, it is arranged on
The compressor outlet pipeline and commutation four-way valve on the compressor return air pipeline, be arranged on the evaporator input and
The expansion valve of output end, one end of the expansion valve are connected with the tie point, and the tie point includes first pressure list
To valve, second branch road includes the capillary and second pressure check valve of series connection, wherein when the electric automobile air-conditioning system
During in refrigeration mode, the commutation four-way valve, which is set, to be connected the compressor outlet pipeline with the condenser and by described in
Compressor return air pipeline is connected with the evaporator, the first pressure check valve conducting, the other end of the expansion valve and institute
State the connection of compressor return air pipeline, the second pressure check valve cut-off；When the electric automobile air-conditioning system is in heating mould
During formula, the commutation four-way valve is set is connected the compressor outlet pipeline and by the compressor return air with the evaporator
Pipeline is connected with the condenser, and the expansion valve is connected with the compressor outlet pipeline, and the first pressure check valve is cut
Only, the second pressure check valve conducting.
In one embodiment of this invention, the compressor is provided with pressure limiting overflow valve, and the pressure limiting overflow valve includes more
The spout hole of individual different pore size.
In one embodiment of this invention, electric automobile air-conditioning system also includes being arranged on the compressor and the condensation
Drying bottle between device.
In one embodiment of this invention, electric automobile air-conditioning system also includes high-low pressure sensor, located at the pressure
On contracting machine export pipeline, the high-low pressure sensor electrically connects the controller, and the controller is according to the height
The real-time pressure of pressure sensor controls the driven compressor power supply of the electric automobile air-conditioning system.
In one embodiment of this invention, electric automobile air-conditioning system also includes controller, connects the commutation four-way valve.
In one embodiment of this invention, electric automobile air-conditioning system also includes：
The first temperature sensor and second temperature sensor on the evaporator；
Three-temperature sensor in the electric automobile and the 4th TEMP outside the electric automobile
Device；
First to fourth temperature sensor electrically connects the controller.
In one embodiment of this invention, electric automobile air-conditioning system also includes：
Electromagnetic clutch, for the motor of the compressor and electric automobile to be connected；
First switch, the controller is connected, for controlling the engagement of the electromagnetic clutch with separating.
In one embodiment of this invention, when three-temperature sensor detection environment temperature reaches predetermined interval,
The controller controls the electromagnetic clutch separation.
In one embodiment of this invention, electric automobile air-conditioning system also includes the fan on the condenser, with
And the air blower on the evaporator.
The present invention also proposes a kind of electric automobile, including electric automobile air-conditioning system as described above, wherein the condensation
Device is arranged in the preceding storehouse of the electric automobile, and is located at water tank rear.
In one embodiment of this invention, the front panel in the preceding storehouse is provided with shutter, and the controller is according to environment temperature
Degree is turned on and off the shutter.
Compared with prior art, electric automobile air-conditioning system of the invention, it can be freezed and be heated, so as to meet electricity
The temperature adjustment requirement of electrical automobile.And resistance heating is compared, heat energy efficiency of the invention is higher, and energy-saving effect is notable.In addition,
The electric automobile air-conditioning system of the present invention need to only increase a small amount of part under the air-conditioning system of original refrigeration mode, you can realize
Heating, it is simple in construction.
Brief description of the drawings
Fig. 1 is the schematic diagram of the electric automobile air-conditioning system of one embodiment of the invention, wherein at electric automobile air-conditioning system
In refrigeration mode.
Fig. 2 is the schematic diagram that the electric automobile air-conditioning system of one embodiment of the invention is under heating mode.
Fig. 3 is the controller principle figure of the electric automobile air-conditioning system of one embodiment of the invention.
Embodiment
For the above objects, features and advantages of the present invention can be become apparent, the tool below in conjunction with accompanying drawing to the present invention
Body embodiment elaborates.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, therefore the present invention is not limited by following public specific embodiment
System.
As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one
The word such as kind " and/or "the" not refers in particular to odd number, may also comprise plural number.It is, in general, that term " comprising " is only prompted to wrap with "comprising"
Include clearly identify the step of and element, and these steps and element do not form one it is exclusive enumerate, method or equipment
The step of may also including other or element.
Fig. 1 is the schematic diagram under the schematic diagram and refrigeration mode of the electric automobile air-conditioning system of one embodiment of the invention.Fig. 2
It is the schematic diagram that the electric automobile air-conditioning system of one embodiment of the invention is under heating mode.With reference to shown in figure 1 and Fig. 2, this
A kind of electric automobile air-conditioning system 100 of embodiment, mainly include compressor 10, condenser 20, evaporator 30 these three cores
Part.Commutation four-way valve 11 is provided with compressor outlet pipeline and compressor return air pipeline, commutation four-way valve there can be four
Port M, N, V, b, they can connect different parts according to different mode selectives.In condenser 20 and evaporator 30
Between be parallel with tie point and the second branch road, tie point includes first pressure check valve 21, and the second branch road includes series connection
Capillary 23 and second pressure check valve 22.At T, S both ends of evaporator 30, expansion valve 31 is set.One end e of expansion valve 31
It is connected with tie point.The other end c of expansion valve 31 connects the different pipelines of compressor according to different mode selectives.
The drying bottle 12 being arranged between compressor 10 and condenser 20 is also illustrated in Fig. 1, for drying compressor 10
The gas of output.High-low pressure sensor 14 is set after drying bottle 12.
As shown in figure 1, when electric automobile air-conditioning system 100 is in refrigeration mode, port M, V of commutation four-way valve 11 are led
It is logical, N, b conducting, compressor outlet pipeline is connected with condenser 20 and by compressor return air pipeline and evaporator 30 so as to set
Connection, correspondingly the other end c of expansion valve 31 is connected with compressor return air pipeline.And first pressure check valve 21 turns on, the
Two pressure check valves 22 are ended.Now, the refrigerant circulation of electric automobile air-conditioning system 100 is：10 → drying bottle of compressor 12
The of M that → high-low pressure sensor 14 → commutation four-way valve 11 disconnects and V → interface P → 20 → interface of condenser F → conducting
One 21 → expansion valve of pressure check valve enters e, a → interface S → 30 → interface of evaporator T → expansion valve and goes out y, c → commutation four-way valve
N and b → compressor 10.
As shown in Fig. 2 when electric automobile air-conditioning system 100 is in heating mode, port M, N of commutation four-way valve 11 are led
It is logical, V, b conducting, compressor outlet pipeline is connected with evaporator 30 and by compressor return air pipeline and condenser 10 so as to set
Connection, expansion valve 31 are connected with compressor outlet pipeline, and first pressure check valve 21 ends, and second pressure check valve 22 turns on.
Now, the refrigerant circulation of electric automobile air-conditioning system 100 is：Compressor 10 → drying bottle, 12 → high-low pressure sensor 14 →
The M and N → expansion valve of commutation four-way valve 11 enter the second pressure check valve of c, y → interface T → 30 → interface of evaporator S → conducting
22 → capillary, 23 → interface P → 20 → interface of condenser O → commutation four-way valve V and b → compressor 10.
In the present embodiment, first pressure check valve 21 and second pressure check valve 22 are led automatically by refrigerant pressure
Logical or cut-off.Specifically, when commutation four-way valve 11 commutate, while such as commutation by Fig. 1 to Fig. 2, the cold-producing medium stream in pipeline
To switching, the conducting of first pressure check valve 21 is become to end, and the medium of second pressure check valve 22 is become to turn on, from
And be recycled back pipeline by the commutation of forward circulation pipeline, change flow direction and the path of refrigerant.
Thus, position of the present embodiment according to valve in pipeline, there is provided the phase of one-way cock, so as to reach by making
The flow direction and pressure of cryogen automatically control the purpose of check valve conducting and cut-off.
First pressure check valve 21 and second pressure check valve 22 can use known valve.It is real according to the one of the present invention
Apply example, there is provided a kind of pressure check valve, including valve body and valve element.Valve element includes base and valve ball, and base has airtight line, valve ball
It is bonded under pressure effect in a first direction with airtight line, realizes hermetic seal；Under the pressure effect of second direction, valve ball is pressurized
The airtight line of base is left under power thrust, forms path.Here, first direction and second direction are opposite.Here, airtight line
E.g. conical airtight line.
In the present embodiment, compressor 10 is connected by the motor of electromagnetic clutch (not shown) and electric automobile
Connect.When electromagnetic clutch engages, the power of motor is delivered to compressor 10, when electromagnetic clutch separates, motor
Power is not delivered to compressor 10.The motor of the embodiment of the present invention can be used and disclosed in Chinese notification number CN206490534U
Main drive motor, the main drive motor includes front output shaft and rear output shaft, and transmission component includes axle sleeve flange, driving pulley, biography
Dynamic band and one or more driven pulleys；Axle sleeve flange connects front output shaft, and driving pulley connection rear output shaft is one or more
Driven pulley is used to drive corresponding one or more vehicle-mounted functional parts operatings by being driven band connection driving pulley.
In the present invention, vehicle-mounted functional part is compressor 10.The full text of the Chinese notification number CN206490534U is by reference
Invest in the present invention.
As shown in figure 1, being additionally provided with pressure limiting overflow valve 13 on compressor 10, pressure limiting overflow valve 13 includes multiple different pore sizes
Spout hole.These spout holes can be internal or external at compressor.When compressor 10 is in high rotating speed, by large aperture overflow
Hole pressure limiting；By middle aperture spout hole pressure limiting during in middle rotating speed；By small-bore overflow pressure limiting during in the slow-speed of revolution.So, can be with
Realize can lean against stable operation in voltage limiting value in the range of full rotating speed (such as 600-3600 revs/min).
Fig. 3 is the controller principle figure of the electric automobile air-conditioning system of one embodiment of the invention.As shown in figure 3, electronic vapour
Car air-conditioning system 100 may include controller 40, connection commutation four-way valve 11.Controller 40 is also connected with power switch K1, refrigeration open
Close K2K is switched with heating3.Power switch K1During opening, the electromagnetic clutch engagement of compressor 10, electric automobile air-conditioning system 100
Start running；Power switch K2During closing, the electromagnetic clutch separation of compressor 10, electric automobile air-conditioning system 100 stops fortune
Turn.
During refrigeration, K is switched2Open, switch K3Close, M, V end conducting for the four-way valve that commutates, and the conducting of N, b end, the first pressure
Power check valve 21 turns on, second pressure check valve 22 ends.During heating, K is switched3Open, switch K2Close, commutate four-way valve
M, N-terminal turns on, and V, b end conducting, first pressure check valve 21 end, and second pressure check valve 22 turns on.
When compressor operating, refrigerant system operation when, can also be exported by high-low pressure sensor 14 real-time pressure to
Controller 40, controller 40 manage control according to the real time value of high-low pressure sensor 14, when system pressure is higher than or low
When limit value, controller 40 controls driven compressor power supply, to protect compressor.
Engage shown in Fig. 1 and Fig. 3, electric automobile air-conditioning system 100 may include that the first temperature on evaporator 30 passes
Sensor 33 and second temperature sensor 34, and three-temperature sensor 35 in electric automobile and outside electric automobile
The 4th temperature sensor 36.First to fourth temperature sensor 33-36 electrically connects controller 40.Controller 40 can be according to in-car
The refrigeration or heating temperature of setting, the temperature detected with reference to each temperature sensor, carry out temperature control.Such as when design temperature is
At 26 DEG C ± 1 DEG C, if the temperature that three-temperature sensor 35 detects is not up to this section, system worked well；Such as
The temperature that fruit three-temperature sensor 35 detects reaches this section, then controller 40 controls electromagnetic clutch separation, compression
Machine 10 is closed.
In addition, fan 24 can be set on condenser 20, for carrying out cold and hot exchange.The motor M of fan 241Rotating speed can be with
Adjusted by controller 40, so as to control the cold/heat exchange efficiency of condenser 20.
In addition, air blower 32 can be set on evaporator 30, the wind speed and air quantity of air blower 32 can be adjusted.Regulation side
Formula is, for example, manual regulation, sets multiple gears.When user have adjusted wind speed and air quantity, the output control accordingly of controller 40
Signal is to air blower 32.
The controller 40 of the embodiment of the present invention can be embodied directly in hardware, in the software module by computing device or
Embodied in combination of the two.For hardware implementation, embodiment described herein can be in one or more special collection
Into circuit (ASIC), digital signal processor (DSP), digital signal processing device (DAPD), PLD (PLD),
Field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, for performing the other of above-mentioned function
The selection of electronic installation or said apparatus is combined to be carried out.In some circumstances, this kind of embodiment can pass through controller
Implemented.For software implementation, embodiment described herein can by such as program module (procedures) and
The independent software modules such as function module (functions) are carried out, each of which module perform it is one or more this
The function of described in the text and operation.Software code can be carried out by the application software write in properly programmed language,
It can be stored in internal memory, by controller or computing device.
Embodiments of the invention also propose a kind of electric automobile, including electric automobile air-conditioning system as described above.It is electronic
It is heating capacity deficiency under low temperature environment that automotive air-conditioning system suffers from a problem that in heating.The present invention proposes one for this
The design optimized a bit.In a preferred embodiment, condenser 20 can be arranged in the preceding storehouse of electric automobile, and is located at water tank
Rear.The advantage of this design is, when environment temperature is terribly cold, the position at water tank rear is with higher relative to surrounding environment
Temperature, so as to which condenser 20 can more easily absorb heat from environment.Furthermore it is possible to utilize some electric automobile front chambers
The shutter that front panel is set.When environment temperature higher (such as reaching more than 33 DEG C), controller 40 can open shutter,
To radiate；When environment temperature relatively low (such as reaching less than 10 DEG C), controller 40 can close shutter, so as to accumulation of heat.
Thus, controller is turned on and off shutter according to environment temperature, can improve the heat exchanger effectiveness of condenser.
The electric automobile air-conditioning system of the above embodiment of the present invention, it can be freezed and be heated, so as to meet electronic vapour
The temperature adjustment requirement of car.And resistance heating is compared, heat energy efficiency of the invention is higher, and energy-saving effect is notable.Furthermore pressure
The cut-off of check valve and flow path direction and pressure automatic cut-off or conducting that conducting is by refrigerant, without extra control
System processed can it is reliable, durable, stably run.In addition, the electric automobile air-conditioning system of the present invention only need to be in original system
Increase a small amount of part under the air-conditioning system of chill formula, you can heating is realized, it is simple in construction.
Although the present invention describes with reference to current specific embodiment, those of ordinary skill in the art
It should be appreciated that the embodiment of the above is intended merely to the explanation present invention, can also make in the case of without departing from spirit of the invention
Go out various equivalent change or replacement, therefore, as long as change, change in the spirit of the present invention to above-described embodiment
Type will all fall in the range of following claims.
Claims (10)
1. a kind of electric automobile air-conditioning system, including compressor, condenser, evaporator, it is arranged on the condenser and the steaming
Send out the tie point in parallel between device and the second branch road, be arranged on the compressor outlet pipeline and the compressor return air pipe
Commutation four-way valve on road, it is arranged on the evaporator input and the expansion valve of output end, one end of the expansion valve and institute
State tie point connection, the tie point includes first pressure check valve, second branch road include the capillary of series connection with
Second pressure check valve, wherein when the electric automobile air-conditioning system is in refrigeration mode, the commutation four-way valve is set will
The compressor outlet pipeline is connected with the condenser and is connected the compressor return air pipeline with the evaporator, described
First pressure check valve is turned on, and the other end of the expansion valve is connected with the compressor return air pipeline, the second pressure list
End to valve；When the electric automobile air-conditioning system is in heating mode, the commutation four-way valve is set the compressor
Export pipeline is connected with the evaporator and is connected the compressor return air pipeline with the condenser, the expansion valve and institute
State the connection of compressor outlet pipeline, the first pressure check valve cut-off, the second pressure check valve conducting.
2. electric automobile air-conditioning system according to claim 1, it is characterised in that the first pressure check valve and described
Second pressure check valve includes valve body and valve element respectively, and the valve element includes base and valve ball, and the base has airtight line, institute
State and be bonded under the pressure effect of valve ball in a first direction with the airtight line, and institute is being left under the effect of the pressure of second direction
Airtight line is stated, the first direction and the second direction are opposite.
3. electric automobile air-conditioning system according to claim 1, it is characterised in that also including controller, changed described in connection
To four-way valve.
4. electric automobile air-conditioning system according to claim 3, it is characterised in that also include：
The first temperature sensor and second temperature sensor on the evaporator；
Three-temperature sensor in the electric automobile and the 4th temperature sensor outside the electric automobile；
First to fourth temperature sensor electrically connects the controller.
5. electric automobile air-conditioning system according to claim 3, it is characterised in that also including high-low pressure sensor, if
In on the compressor outlet pipeline, the high-low pressure sensor electrically connects the controller, and the controller is according to
The real-time pressure of the high-low pressure sensor controls the driven compressor power supply of the electric automobile air-conditioning system.
6. electric automobile air-conditioning system according to claim 4, it is characterised in that also include：
Electromagnetic clutch, for the motor of the compressor and electric automobile to be connected；
First switch, the controller is connected, for controlling the engagement of the electromagnetic clutch with separating.
7. electric automobile air-conditioning system according to claim 6, it is characterised in that when the three-temperature sensor detects
When environment temperature reaches predetermined interval, the controller controls the electromagnetic clutch separation.
8. electric automobile air-conditioning system according to claim 1, it is characterised in that also include on the condenser
Fan, and the air blower on the evaporator.
9. a kind of electric automobile, including the electric automobile air-conditioning system as described in claim any one of 1-8, wherein the condensation
Device is arranged in the preceding storehouse of the electric automobile, and is located at water tank rear.
10. electric automobile as claimed in claim 9, it is characterised in that the front panel in the preceding storehouse is provided with shutter, the electricity
The controller of electrical automobile air-conditioning system is turned on and off the shutter according to environment temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237820.2A CN107813678B (en) | 2017-11-30 | 2017-11-30 | Electric automobile and air conditioning system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237820.2A CN107813678B (en) | 2017-11-30 | 2017-11-30 | Electric automobile and air conditioning system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107813678A true CN107813678A (en) | 2018-03-20 |
| CN107813678B CN107813678B (en) | 2023-08-22 |
Family
ID=61604998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711237820.2A Active CN107813678B (en) | 2017-11-30 | 2017-11-30 | Electric automobile and air conditioning system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107813678B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816201A (en) * | 2018-08-10 | 2020-02-21 | 翰昂汽车零部件有限公司 | Thermal management system for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788397A (en) * | 2012-09-05 | 2012-11-21 | 天津三电汽车空调有限公司 | Heat pump air-conditioning system of electric vehicle |
| CN202685842U (en) * | 2012-05-31 | 2013-01-23 | 北汽福田汽车股份有限公司 | Air conditioner cooling and heating circulation system for electric vehicle |
| EP3184936A1 (en) * | 2015-12-23 | 2017-06-28 | EKOMATIC Spolka Cywilna | Ground source heat pump system with a cooling function |
| CN207657555U (en) * | 2017-11-30 | 2018-07-27 | 上海瑞昱汽车有限公司 | Electric vehicle and its air-conditioning system |
-
2017
- 2017-11-30 CN CN201711237820.2A patent/CN107813678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202685842U (en) * | 2012-05-31 | 2013-01-23 | 北汽福田汽车股份有限公司 | Air conditioner cooling and heating circulation system for electric vehicle |
| CN102788397A (en) * | 2012-09-05 | 2012-11-21 | 天津三电汽车空调有限公司 | Heat pump air-conditioning system of electric vehicle |
| EP3184936A1 (en) * | 2015-12-23 | 2017-06-28 | EKOMATIC Spolka Cywilna | Ground source heat pump system with a cooling function |
| CN207657555U (en) * | 2017-11-30 | 2018-07-27 | 上海瑞昱汽车有限公司 | Electric vehicle and its air-conditioning system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816201A (en) * | 2018-08-10 | 2020-02-21 | 翰昂汽车零部件有限公司 | Thermal management system for vehicle |
| CN110816201B (en) * | 2018-08-10 | 2022-12-27 | 翰昂汽车零部件有限公司 | Thermal management system for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107813678B (en) | 2023-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102958722B (en) | Vehicle heating control apparatus and method | |
| CN104101127B (en) | Multi-online air-conditioning system and defrosting control method thereof | |
| CN103158487B (en) | A kind of automotive air-conditioning system | |
| US20190092121A1 (en) | Heat pump air-conditioning system and electric vehicle | |
| CN105128622A (en) | Electric vehicle heat pump air-conditioning system | |
| CN106608157B (en) | Air conditioning system and air conditioning control method | |
| CN103256746A (en) | Automobile air-conditioning system | |
| CN105196832A (en) | Electric automobile waste heat recovery heat pump type comprehensive heat management system automatically adjusted in filling amount | |
| US10843528B2 (en) | Heat pump air-conditioning system and electric vehicle | |
| CN106839493B (en) | Air conditioning system and defrosting control method thereof | |
| CN104070960A (en) | Hybrid power car air conditioning system and control method thereof | |
| CN107310345B (en) | Automobile air conditioning system and control device and method thereof | |
| JP6358424B2 (en) | Intake air temperature control system | |
| CN207657555U (en) | Electric vehicle and its air-conditioning system | |
| CN103162360B (en) | A kind of automotive air-conditioning system | |
| CN108705912A (en) | A kind of thermal management system of electric automobile | |
| CN111591100A (en) | Vehicle, air conditioning system of vehicle and control method of air conditioning system | |
| CN208615672U (en) | Thermal management system of electric automobile | |
| CN103292510A (en) | Automobile air conditioning system | |
| CN205059127U (en) | Charge automatically regulated's electric automobile waste heat recovery heat pump -type synthesizes thermal management system | |
| US10946723B2 (en) | Vehicle air conditioner | |
| CN107813678A (en) | Electric automobile and its air-conditioning system | |
| KR20140144942A (en) | Electric Vehicle | |
| CN207388804U (en) | Electric vehicle and its air-conditioning system | |
| US20190143790A1 (en) | Heat pump air-conditioning system and electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180425 Address after: 200940 A 101, Hua Zi Pentium building, 2816 Yixian Road, Baoshan District, Shanghai. Applicant after: SHANGHAI RUIYU AUTOMOBILE Co.,Ltd. Address before: 200439 294, room 3, No. 148, Lane 999, new two road, Baoshan District, Shanghai. Applicant before: SHANGHAI RUIYURONGKE NEW ENERGY VEHICLE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |