CN203254925U - Water heater of new energy automobile - Google Patents

Water heater of new energy automobile Download PDF

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Publication number
CN203254925U
CN203254925U CN 201320263329 CN201320263329U CN203254925U CN 203254925 U CN203254925 U CN 203254925U CN 201320263329 CN201320263329 CN 201320263329 CN 201320263329 U CN201320263329 U CN 201320263329U CN 203254925 U CN203254925 U CN 203254925U
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CN
China
Prior art keywords
water heater
new energy
temperature booster
heater
radiator
Prior art date
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Expired - Lifetime
Application number
CN 201320263329
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Chinese (zh)
Inventor
韦长华
束超
施婷
肖丽芬
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Jiangsu Chaoli Electric Inc
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Jiangsu Chaoli Electric Inc
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Publication date
Application filed by Jiangsu Chaoli Electric Inc filed Critical Jiangsu Chaoli Electric Inc
Priority to CN 201320263329 priority Critical patent/CN203254925U/en
Application granted granted Critical
Publication of CN203254925U publication Critical patent/CN203254925U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model 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), a heater (3), a line collecting board (4), a control main board (5) and an upper cover (6). The radiator (2) is fixedly arranged on the heater water tank (1) and forms a closed water tank cavity besides an entrance (1b) and an exit (1c) with the heater water tank (1). An installation groove (2a) is formed in a cooling pin of the radiator (2), and the heater (3) is fixedly arranged in the installation groove (2a) and forms a cavity through the upper cover (6) which fixedly covers the heater (3). The cavity is fixedly provided with the line collecting board (4) and the control main board (5). The water heater of the new energy automobile is scientific and reasonable in design, simple and compact in structure, completely capable of meeting the requirement for water heating of the automobile, high in heating efficiency, capable of saving energy and cost, 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 the used in new energy vehicles such as electronlmobil (EV), extended-range electric vehicle (EREV) and hybrid vehicle (HEV).
Background technology
The contradiction of the fuel oil supply and demand that become increasingly conspicuous for reply and the problem of environmental pollution, 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 EV, EREV and HEV car actv. heating mode because of the electricity consumption heating.The most car adopts is that the mode that electric heater directly adds air is carried out heating, but because directly accessing, 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, the problem and the potential safety hazard that exist for solving above-described prior art, 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 heater cores 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 that forms 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 again the high voltage direct current voltage source, 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 simple structure is compact, can satisfy the required water of automobile fully and add heat request, and the efficiency of heating surface is high, and energy savings and cost are 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 disadvantage, 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 is that scheme drawing is looked on 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 impact 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 that forms 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 larger, directly covering plaster is by four transversely arranged PTC heating plate 3e, the state that is of value to the consistent keeping parallelism docile of each heating plate 3e, the radiating effect of raising 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).Outside at two copper coin 3f, 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 partially hard, 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, such 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: the crooked inner fin 2a that radiating gill 2c(mounting groove 2b outer rim) adopts corrugated bending and be fixed with flow-disturbing, 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 respectively high-power drive circuit IGBT, 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 to 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 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 according to actual needs, start the combination of which group or its group and heat.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.
The above-mentioned embodiment that enumerates for to illustration of the present invention, is not the restriction that the present invention is done only.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 that forms 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 again the high voltage direct current voltage source, 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 is fixed with crooked inner fin (2a).
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.
CN 201320263329 2013-05-15 2013-05-15 Water heater of new energy automobile Expired - Lifetime CN203254925U (en)

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Application Number Priority Date Filing Date Title
CN 201320263329 CN203254925U (en) 2013-05-15 2013-05-15 Water heater of new energy automobile

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253106A (en) * 2013-05-15 2013-08-21 江苏超力电器有限公司 Water heater of new energy automobile
CN107155226A (en) * 2016-03-03 2017-09-12 劳士领汽车集团 With PTC-element and as heat conductor current supply line electric heater unit and working liquid tank with such heater
CN108116195A (en) * 2017-12-30 2018-06-05 江苏超力电器有限公司 Water heater of new energy automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253106A (en) * 2013-05-15 2013-08-21 江苏超力电器有限公司 Water heater of new energy automobile
CN107155226A (en) * 2016-03-03 2017-09-12 劳士领汽车集团 With PTC-element and as heat conductor current supply line electric heater unit and working liquid tank with such heater
CN107155226B (en) * 2016-03-03 2022-02-11 劳士领汽车集团 Electric heating device and working liquid tank with heating device
CN108116195A (en) * 2017-12-30 2018-06-05 江苏超力电器有限公司 Water heater of new energy automobile

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CX01 Expiry of patent term

Granted publication date: 20131030

CX01 Expiry of patent term