CN103253106A - Water heater of new energy automobile - Google Patents

Water heater of new energy automobile Download PDF

Info

Publication number
CN103253106A
CN103253106A CN2013101788347A CN201310178834A CN103253106A CN 103253106 A CN103253106 A CN 103253106A CN 2013101788347 A CN2013101788347 A CN 2013101788347A CN 201310178834 A CN201310178834 A CN 201310178834A CN 103253106 A CN103253106 A CN 103253106A
Authority
CN
China
Prior art keywords
water heater
new energy
radiator
temperature booster
energy vehicles
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.)
Pending
Application number
CN2013101788347A
Other languages
Chinese (zh)
Inventor
韦长华
束超
施婷
肖丽芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Chaoli Electric Inc
Original Assignee
Jiangsu Chaoli Electric Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Chaoli Electric Inc filed Critical Jiangsu Chaoli Electric Inc
Priority to CN2013101788347A priority Critical patent/CN103253106A/en
Publication of CN103253106A publication Critical patent/CN103253106A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Landscapes

  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a water heater of a new energy automobile and relates to the technical field of automobile production. The water heater comprises a heater water tank (1), a radiator (2), heaters (3), a line concentration board (4), a control main board (5) and an upper cover (6). The radiator (2) is fixedly installed on the heater water tank (1). Moreover, besides an inlet (1b) and an outlet (1c), a water tank enclosed cavity is formed by the radiator (2) and the heater water tank (1). Installation grooves (2a) are formed in cooling fins of the radiator (2). The heaters (3) are fixedly installed in the installation grooves (2a). A cavity is formed through fixing of the capped upper cover (6). The line concentration board (4) and the control main board (5) are fixedly installed in the cavity. The water heater of the new energy automobile is scientific and reasonable in design, simple and compact in structure, capable of completely meeting heating requirements of water needed by the automobile and high in heating efficiency, saves energy and cost, and is safe, reliable and long in service life.

Description

A kind of new-energy automobile water heater
Technical field
The present invention relates to automobile technical field, relate in particular to the water heater of electronlmobil (EV), extended-range electric vehicle (EREV) and hybrid vehicle used in new energy vehicles such as (HEV).
Background technology
Contradiction and the environmental pollution problems of the fuel oil supply and demand that become increasingly conspicuous for reply, countries in the world are all in the technical development that advances new-energy automobile, the heat that former conventional engines car can utilize driving engine to produce makes and keeps enough warm in the car, but electronlmobil (EV) does not have driving engine, and extended-range electric vehicle (EREV) and hybrid vehicle (HEV) also need warming to stall the time in the car.But the electrothermic type temperature booster that adopts is the warm mode of EV, EREV and HEV car actv. system because of the electricity consumption heating.Present most of car adopts is that the mode that electric heater directly adds air is carried out heating, but because directly inserting, high-tension current has potential safety hazard in the occupant compartment, simultaneously, because causing the high temperature smell of peripheral plastic to import into, electro heat air themperature height is unfavorable for occupant's health safety in the car, in addition, when travelling winter in the face of pure electronic class new forms of energy car, realize quickly defrosting and demist, also strengthened the demand of heating power.And the system power of the heating of most of electro heat air is too small, the demand that heats when not satisfying above-mentioned use.
Summary of the invention
The objective of the invention is, for solving problem and the potential safety hazard that above-described prior art exists, a kind of new-energy automobile water heater is provided, but described water heater adopts the PTC(Positive Temperature Coefficient of electricity consumption heating) heater element, the hot water that heats is transported to heating, defrosting, the demist of carrying out in the warm braw core body in the car by system.
The objective of the invention is to realize by following technical solution:
A kind of water heater of used in new energy vehicles, comprise temperature booster tank, radiator, temperature booster, line collecting plate, control mainboard and loam cake, radiator is fixedly mounted on the temperature booster tank, and form the tank cavity except entrance and exit, seal with the temperature booster tank, be provided with mounting groove in its radiating gill of radiator, fixed installation having heaters in the mounting groove, and the loam cake by fixedly adding a cover, form a cavity, line collecting plate and control mainboard fixedly are housed in this cavity.
The water heater of described a kind of used in new energy vehicles, it is characterized in that: described temperature booster comprises inserted sheet, inserted sheet, fixed plate, backing plate, the PTC heating plate, copper coin, dielectric film, insulating mat and metal gasket, by the horizontal arrangement in parallel of at least 2 plate plane shape PTC heating plates, the PTC heater element unit of forming 1 temperature booster, the PTC heating plate of this heater element unit, two copper coin double teams are adopted in both sides, wherein add between one or both sides copper coin and PTC heating plate and be lined with one deck alloying metal sheet, two copper coins then respectively with inserted sheet, inserted sheet connects, connect the high voltage direct current voltage source again, two copper coin outsides, employing dielectric film parcel, dielectric film periphery adopt silicone insulation cover parcel again
The water heater of described a kind of used in new energy vehicles is characterized in that: described dielectric film is polyester insulated film or alumina insulation film.
The water heater of described a kind of used in new energy vehicles is characterized in that: described temperature booster tank entrance and exit lays respectively at the y direction two ends, and temperature booster tank inner edge is provided with the flow-disturbing reinforced rib.
The water heater of described a kind of used in new energy vehicles is characterized in that: described radiator is provided with the radiating gill that outer rim is the waveform bending, and crooked inner fin fixedly is housed.
The water heater of described a kind of used in new energy vehicles is characterized in that: between described radiator and the temperature booster tank seal ring is housed.
The water heater of described a kind of used in new energy vehicles is characterized in that: described inserted sheet and line collecting plate, and line collecting plate and control mainboard are connected to each other by circuit.
The water heater of described a kind of used in new energy vehicles is characterized in that: the control circuit in the described control mainboard, comprise the micro controller system and the high-power drive circuit that carry the pulse width modulation module, and micro controller system is connected with air-conditioner controller by bus.
A kind of new-energy automobile water heater of the present invention, design science is reasonable, and the simple structure compactness can satisfy the required water of automobile fully and add heat request, efficiency of heating surface height, energy savings and cost, safe and reliable, long service life.
The present invention is further described below in conjunction with drawings and Examples, purpose of the present invention, advantage and characteristics, and the non-limitative illustration by following preferential embodiment makes an explanation.
Description of drawings
Fig. 1 is the water heater exploded perspective view of used in new energy vehicles of the present invention;
Fig. 2 is radiator scheme drawing of the present invention;
Fig. 3 is PTC radiating gill scheme drawing of the present invention;
Fig. 4 is Fig. 3 PTC radiating gill schematic top plan view;
Fig. 5 is temperature booster tank scheme drawing;
Fig. 6 is that Fig. 5 temperature booster tank A-A is to cross-sectional schematic;
Fig. 7 is that Fig. 5 temperature booster tank B-B is to cross-sectional schematic;
Fig. 8 is the radiator scheme drawing;
Fig. 9 looks scheme drawing for Fig. 8 radiator left side;
Figure 10 is that Fig. 8 radiator A-A is to scheme drawing;
Figure 11 is Fig. 8 radiator elevational schematic view;
The water heater control circuit scheme drawing of Figure 12 used in new energy vehicles of the present invention;
Figure 13 is the PTC heating plate circuit diagram that is connected;
In the above accompanying drawing, 1-temperature booster tank; The 1a-reinforced rib; The 1b-entrance; The 1c-outlet; The 2-radiator; The 2a-fin; The 2b-mounting groove; The 2c-radiating gill; The 3-temperature booster; The 3a-inserted sheet; The 3b-inserted sheet; The 3c-fixed plate; The 3d-backing plate; The 3e-PTC heating plate; The 3f-copper coin; The 3g-dielectric film; The 3h-insulation sleeve; The 3i-sheetmetal; The 4-line collecting plate; 5-controls mainboard; The 6-loam cake;
The specific embodiment
The water heater of used in new energy vehicles of the present invention, as shown in Figure 1, comprise temperature booster tank 1, radiator 2, temperature booster 3(PTC heater element), line collecting plate 4, control mainboard 5 and loam cake 6, referring to shown in Figure 2, radiator 2 fixedly mounts on the temperature booster tanks 1, and forms tank cavity (referring to Fig. 7) hermetically enclosed except entrance 1b and outlet 1c with temperature booster tank 1.For strengthening leak tightness, between radiator 2 and the temperature booster tank 1 seal ring is housed fixedly.Be provided with mounting groove 2a in radiator 2 its radiating gills, fixed installation having heaters 3 in the mounting groove 2a, and the loam cake 6 by fixedly adding a cover form another cavity, seal by fixedly installing seal ring additional between loam cake 6 and the radiator 2.Line collecting plate 4 and control mainboard 5 fixedly are housed in the described another cavity.
Temperature booster 3 of the present invention comprises inserted sheet 3a, inserted sheet 3b, fixed plate 3c, backing plate 3d, PTC(pottery as shown in Figure 3 and Figure 4) heating plate 3e, copper coin 3f, dielectric film 3g, insulating mat 3h and sheetmetal 3i.Wherein as the PTC heating plate 3e of heat element, maximum characteristics are automatic constant-temperatures, this has utilized the positive temperature characterisitic of PTC pottery just, when reaching uniform temperature value (Curie point), its resistance raises suddenly, makes electric current decline power reduction, reaches the purpose of automatic constant-temperature, with ptc material as heat element, can be not overheated, thermal conversion rate is high, do not produce naked light, be subjected to the influence of mains fluctuations minimum, natural life-span is long, use energy-saving safe.The present invention adopts the horizontal arrangement in parallel of four plate plane shape PTC heating plate 3e, the PTC heater element unit of forming 1 temperature booster 3, the PTC heating plate 3e of this heater element unit, both sides adopt two copper coin 3f as battery lead plate (conduction is held concurrently and conducted heat) double team, two side copper plate 3f then are connected with inserted sheet 3a, inserted sheet 3b respectively, be used for 300V～500V high-voltage DC power supply input, the present embodiment input supply voltage is 345V.Wherein add between a side copper plate 3f and PTC heating plate 3e and be lined with one deck alloying metal sheet 3i, the alloying metal sheet 3i that rigidity is higher, area is bigger, directly cover the four transversely arranged PTC heating plate 3e that recline, be of value to the state that the consistent keeping parallelism of each heating plate 3e pastes clothes, improve the radiating effect of PTC heating plate 3e.Because the PTC heater element connects high-voltage DC power supply, so must wrap with insulating material, form insulating barrier (every the double heat transfer of electricity).Two copper coin 3f outsides, adopt dielectric film 3g to be wrapped up and wrap, dielectric film 3g is polyester insulated film or alumina insulation film.Dielectric film 3g periphery adopt again conductive force preferably silicone insulation cover 3h wrap.Heating element dielectric film 3g and dual the wrapping of insulation sleeve 3h have been improved the splicing precision.Because inboard alumina insulating film 3g is hard partially, thus cover that one deck silicone insulation cover 3h can improve more and radiator between leakproofness, guarantee its thermal diffusivity.Behind the PTC heating plate 3e parcel heat conductive silica gel insulation sleeve 3h, at insulation sleeve 3h one or both sides pad upper padding plate 3d, and inserting wedge shape fixed plate 3c, among the mounting groove 2a of the radiator 2 of reinforcing the aluminum alloy that is installed to good heat dissipation effect of being fixed, backing plate 3d and fixed plate 3c have heat conduction accumulation of heat effect concurrently.
The present invention can realize efficient heat release for realizing anti-freezer when radiator 2 sides flow through, as Fig. 5, Fig. 6 and shown in Figure 7, temperature booster tank 1 stream has adopted liquid inflow entrance 1b and outlet 1c to lay respectively at the design at y direction (radiator y direction both sides) two ends, and the set flow-disturbing reinforced rib 1a of its inner rim, the fastness of temperature booster tank 1 member not only can be strengthened, mainly the flow-disturbing effect can be played.And, be provided with turbulence construction in radiator 2 outer rims: radiating gill 2c(mounting groove 2b outer rim) the crooked inner fin 2a that adopts corrugated bending and flow-disturbing is fixedly arranged, specifically referring to Fig. 8, Fig. 9, Figure 10 and shown in Figure 11.
Water heater of the present invention add heat control, control circuit scheme drawing referring to control mainboard 5 shown in Figure 12, adopting air-conditioner controller AC-ECU to connect single-chip microprocessor MCU by bus LIN carries out, described bus LIN adopts the LIN bus, single-chip microprocessor MCU carries pulse width modulation module PWM, by No. 4 controller PWM(PWM1～PWM4), connect high-power drive circuit IGBT respectively, described driving circuit IGBT is the IGBT power device, and circuit connects the heater element of the PTC(PTC1 of the high-power heating of 345V voltage of 4 groups of parallel connections～PTC4) respectively, realizes the linearity adjustment of heating.Be connected temperature sensor TT and current sensor ECS in the circuit, can be respectively with the current signal of temperature signal and high-power heating, connection feeds back to single-chip microprocessor MCU.When water heater is worked, by air-conditioner controller AC-ECU according to temp control switch and water temperature, calculate the target temperature (scope is that the car room temperature is to the highest 70 ℃) of the water temperature that will heat, and (scope is: 0%～100%), be sent to ptc heater to convert corresponding power percentum to.Ptc heater is controlled the power of PTC heater element according to the percentum of this power by controller PWM.
The connection in series-parallel of present embodiment PTC heating plate is connected circuit referring to Figure 13, by R1～R16 altogether the temperature booster 3 of 16 unit be arranged in 4 the row, 4 row, each temperature booster 3 is by inserted sheet 3a, inserted sheet 3b is connected to the line collecting plate 4 that is provided with printed wire and interface, each unit is adopted grouping and is unified into PTC1, PTC2, four groups of PTC3 and PTC4, each group is parallel-connected to the 345V high-voltage dc voltage power input that control mainboard 5 native systems drive the controller input of usefulness by junction circuit again, the PTC cell number of each group might not be identical, present embodiment PTC1, PTC2, PTC3, the power ratio of four groups of PTC4 is 1:1:2:4, controller can start the combination of which group or its group and heat according to actual needs.When implementing power control PTC1 is carried out the PWM(pulse width modulation) control, for the control that realizes 0 to 1.0 times PTC1 power.1.0 by the given constant power of PTC2, and the PWM duty of regulating PTC1 is recently realized to the control of 2.0 times of PTC1 power.2.0 by the given constant power of PTC3, and the PWM duty of regulating PTC1 is recently realized to the control of 3.0 times of PTC1 power.3.0 to the control of 4.0 times of PTC1 power by PTC2, the given constant power of PTC3, and the PWM duty of regulating PTC1 is recently realized.4.0 by the given constant power of PTC4, and the PWM duty of regulating PTC1 is recently realized to the control of 5.0 times of PTC1 power.5.0 to the control of 6.0 times of PTC1 power by PTC2, the given constant power of PTC4, and the PWM duty of regulating PTC1 is recently realized.6.0 to the control of 7.0 times of PTC1 power by PTC3, the given constant power of PTC4, and the PWM duty of regulating PTC1 is recently realized.7.0 to the control of 8.0 times of PTC1 power by PTC2, PTC3, the given constant power of PTC4, and the PWM duty of regulating PTC1 is recently realized.
Above-mentioned listed examples only is to illustration of the present invention, is not the restriction that the present invention is done.The present invention can also adopt alternate manner to implement, this superfluous stating one by one not.In every case adopt the technical scheme that is equal to replacement or equivalent transformation formation, all belong to the protection domain of requirement of the present invention.

Claims (8)

1. the water heater of a used in new energy vehicles, comprise temperature booster tank (1), radiator (2), temperature booster (3), line collecting plate (4), control mainboard (5) and loam cake (6), radiator (2) is fixedly mounted on the temperature booster tank (1), and form except entrance (1b) with temperature booster tank (1) and export the tank cavity that seals (1c), be provided with mounting groove (2a) in its radiating gill of radiator (2), fixed installation having heaters (3) in the mounting groove (2a), and the loam cake (6) by fixedly adding a cover, form a cavity, line collecting plate (4) and control mainboard (5) fixedly are housed in this cavity.
2. the water heater of a kind of used in new energy vehicles according to claim 1, it is characterized in that: described temperature booster (3) comprises inserted sheet (3a), inserted sheet (3b), fixed plate (3c), backing plate (3d), PTC heating plate (3e), copper coin (3f), dielectric film (3g), insulating mat (3h) and metal gasket (3i), by the horizontal arrangement in parallel of at least 2 plate plane shape PTC heating plate 3e, the PTC heater element unit of forming 1 temperature booster 3, the PTC heating plate (3e) of this heater element unit, two copper coins (3f) double team is adopted in both sides, wherein add between one or both sides copper coin (3f) and PTC heating plate (3e) and be lined with one deck alloying metal sheet (3i), two copper coins (3f) then respectively with inserted sheet (3a), inserted sheet (3b) connects, connect the high voltage direct current voltage source again, two copper coins (3f) outside, adopt dielectric film (3g) parcel, dielectric film (3g) periphery adopts silicone insulation cover (3h) parcel again.
3. the water heater of a kind of used in new energy vehicles according to claim 2, it is characterized in that: described dielectric film (3g) is polyester insulated film or alumina insulation film.
4. the water heater of a kind of used in new energy vehicles according to claim 1, it is characterized in that: described temperature booster tank (1) entrance (1b) and outlet (1c) lay respectively at the y direction two ends, and temperature booster tank (1) inner edge is provided with flow-disturbing reinforced rib (1a).
5. the water heater of a kind of used in new energy vehicles according to claim 1 is characterized in that: described radiator (2) is provided with the radiating gill (2c) that outer rim is the waveform bending, and crooked inner fin (2a) is fixedly arranged.
6. the water heater of a kind of used in new energy vehicles according to claim 1 is characterized in that: between described radiator (2) and the temperature booster tank (1) seal ring is housed.
7. the water heater of a kind of used in new energy vehicles according to claim 2 is characterized in that: described inserted sheet (3b) and line collecting plate (4), and line collecting plate (4) and control mainboard (5) are connected to each other by circuit.
8. the water heater of a kind of used in new energy vehicles according to claim 1, it is characterized in that: in the control circuit of described control mainboard (5), comprise the micro controller system (MCU) and the high-power drive circuit (IGBT) that carry pulse width modulation module (PWM), micro controller system (MCU) is connected with air-conditioner controller (AC-ECU) by bus.
CN2013101788347A 2013-05-15 2013-05-15 Water heater of new energy automobile Pending CN103253106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013101788347A CN103253106A (en) 2013-05-15 2013-05-15 Water heater of new energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013101788347A CN103253106A (en) 2013-05-15 2013-05-15 Water heater of new energy automobile

Publications (1)

Publication Number Publication Date
CN103253106A true CN103253106A (en) 2013-08-21

Family

ID=48957447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013101788347A Pending CN103253106A (en) 2013-05-15 2013-05-15 Water heater of new energy automobile

Country Status (1)

Country Link
CN (1) CN103253106A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108116195A (en) * 2017-12-30 2018-06-05 江苏超力电器有限公司 Water heater of new energy automobile
CN108507184A (en) * 2018-03-21 2018-09-07 安徽省宁国市天成电气有限公司 A kind of resistance wire liquid heater
CN111208861A (en) * 2020-01-15 2020-05-29 重庆超力高科技股份有限公司 PTC power control method and device
CN111629455A (en) * 2019-02-27 2020-09-04 通用汽车环球科技运作有限责任公司 Positive temperature coefficient heater and contact application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907179A1 (en) * 1988-03-18 1989-10-05 Boris Singerewitsch Device for heating a flowing medium, in particular water
CN101097092A (en) * 2006-06-28 2008-01-02 凯特姆两合公司 Electrical heating device
CN201764706U (en) * 2010-08-31 2011-03-16 上海吉龙经济发展有限公司 Positive Temperature Coefficient (PTC) electrical heating device
CN202613677U (en) * 2012-05-08 2012-12-19 中国第一汽车股份有限公司 Air-conditioner compressor and heater controller used in electric car
CN203254925U (en) * 2013-05-15 2013-10-30 江苏超力电器有限公司 Water heater of new energy automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907179A1 (en) * 1988-03-18 1989-10-05 Boris Singerewitsch Device for heating a flowing medium, in particular water
CN101097092A (en) * 2006-06-28 2008-01-02 凯特姆两合公司 Electrical heating device
CN201764706U (en) * 2010-08-31 2011-03-16 上海吉龙经济发展有限公司 Positive Temperature Coefficient (PTC) electrical heating device
CN202613677U (en) * 2012-05-08 2012-12-19 中国第一汽车股份有限公司 Air-conditioner compressor and heater controller used in electric car
CN203254925U (en) * 2013-05-15 2013-10-30 江苏超力电器有限公司 Water heater of new energy automobile

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108116195A (en) * 2017-12-30 2018-06-05 江苏超力电器有限公司 Water heater of new energy automobile
CN108507184A (en) * 2018-03-21 2018-09-07 安徽省宁国市天成电气有限公司 A kind of resistance wire liquid heater
CN108507184B (en) * 2018-03-21 2021-02-26 安徽省宁国市天成电气有限公司 Resistance wire liquid heater
CN111629455A (en) * 2019-02-27 2020-09-04 通用汽车环球科技运作有限责任公司 Positive temperature coefficient heater and contact application thereof
CN111208861A (en) * 2020-01-15 2020-05-29 重庆超力高科技股份有限公司 PTC power control method and device

Similar Documents

Publication Publication Date Title
CN205185783U (en) Warm -air device for automobile
CN108390123A (en) A kind of power battery pack heat management system and automobile
CN102529641A (en) Automobile warm air control method and automobile warm air control device
CN103429446A (en) Method for regulating the temperature of an automotive vehicle component and system for regulating the temperature of this component
JP2018511525A (en) Intelligent heater system for electric vehicles using PTCR-xthm electric heating chip as heat source
CN103253106A (en) Water heater of new energy automobile
CN103973049A (en) Motor and vehicle with same
CN203254925U (en) Water heater of new energy automobile
CN108116195A (en) Water heater of new energy automobile
CN211152533U (en) Automobile high-voltage integrated controller
CN204088526U (en) A kind of power battery module and passenger car
CN202641309U (en) Automobile heater
CN207199802U (en) A kind of lithium ion power battery used for electromobile case energy saving radiator
CN107471960A (en) A kind of automobile and its water-cooled electric heater unit
CN205970739U (en) Air conditioner of electric automobile's electric heater assembly
CN201597412U (en) Air heater of electromobile
CN210149114U (en) Heating device for electric automobile
CN207449571U (en) A kind of automobile and its water-cooled electric heater unit
CN208272077U (en) A kind of Vehicular dynamic battery and vehicle
CN203883625U (en) Motor and car using the same
CN208411425U (en) A kind of high pressure integrated system of pure electric automobile
CN207967254U (en) A kind of battery modules heating-fixing apparatus
CN112124030B (en) Electric vehicle external air conditioning system, control method and electric vehicle
CN109532407A (en) A kind of Water heater of new energy automobile
CN203294105U (en) Water-and-electricity dual-purpose heating radiator

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130821