CN208530220U - A kind of hydrogen fuel cell car warm air system - Google Patents
A kind of hydrogen fuel cell car warm air system Download PDFInfo
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- CN208530220U CN208530220U CN201821164853.9U CN201821164853U CN208530220U CN 208530220 U CN208530220 U CN 208530220U CN 201821164853 U CN201821164853 U CN 201821164853U CN 208530220 U CN208530220 U CN 208530220U
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- fuel cell
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- hydrogen fuel
- warm wind
- heat transfer
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Abstract
The utility model relates to a kind of hydrogen fuel cell car warm air systems, including entire car controller, hydrogen fuel cell, heat exchanger, warm wind heat transfer loop, temperature sensor；Wherein, hydrogen fuel cell has battery soft circulation circuit；Include the two independent channels conducted heat mutually in the heat exchanger, is connected to respectively with the battery soft circulation circuit with warm wind heat transfer loop；The temperature sensor is set in heat exchanger in the channel for being connected to warm wind heat transfer loop；The warm wind heat transfer loop includes warm wind medium pipeline, warm-air water pump, heater and interior heater；The temperature sensor, hydrogen fuel cell are connected separately entire car controller；The entire car controller connects and controls the opening and closing of hydrogen fuel cell, warm-air water pump, heater.The utility model is designed by new circuit, solves problems of the prior art, has positive technical meaning.
Description
Technical field
The utility model relates to a kind of hydrogen fuel cell car warm air systems, belong to integral new-energy passenger technical field.
Background technique
In current automobile industry, new-energy automobile has become the direction of development.In integral new-energy passenger, including multiple skills
Art direction, wherein operation component is few, racks up completely without harmful feature with it for hydrogen fuel cell car, becomes great development prospect
It is a kind of.But meanwhile hydrogen fuel cell car also has that cooling system heat dissipation capacity is big, cold-starting is difficult, it is severe to require coolant liquid
Carve etc. work characteristics so that the subsystem of hydrogen fuel cell car in specific requirement with common internal combustion engine car difference compared with
Greatly.
In car, for the winter riding comfort of passenger, it is equipped with warm air system；Passenger coach load warm wind common at present
System generally uses cooling water warm air system, independent warm air system or electric heating wind system.For hydrogen fuel cell car, by
It is extremely harsh to requirements such as coolant liquid impurity and conductivity in hydrogen fuel cell, therefore fuel cell heat transfer water need to be isolated from the outside
Operation, cannot directly enter vehicle warm air system as vehicle warm wind heat source to heat air；Independent warm air system needs additional
Separate fuel is consumed, the increase of vehicle harmful exhaust emissions is not only will cause, can also improve vehicle operating cost；Electric heating wind system is then
It needs to consume extremely more electric energy, will be greatly reduced vehicle course continuation mileage and vehicle driving performance.Therefore, common in the art
Vehicle-mounted warm air system is poorly suited for hydrogen fuel cell car application.
In conclusion designing a kind of warm air system that can evade above-mentioned insufficient suitable hydrogen fuel cell car situation, supply
Vehicle-mounted use is those skilled in the art's urgent problem to be solved.It is also desirable to design a kind of warm wind for meeting operation and needing
System control method.
At present it is not yet found that closing the report of similar techniques.
Summary of the invention
In the prior art, common car warm air system, which exists, is not suitable for the circulatory system, will lead to discharge increase, influences
The problems such as vehicle performance, therefore it is not suitable for hydrogen fuel cell car application；To solve these problems, the utility model provides one
Kind hydrogen fuel cell car warm air system not only can be effective by newly-designed heat-exchange system and corresponding control flow
The waste heat for recycling hydrogen fuel cell, converts the waste heat of hydrogen fuel cell to the heat source of vehicle warm air system, can also drop
The heat dissipation load of low hydrogen fuel cell, improves the environmental suitability of hydrogen fuel car, while can also carry out to hydrogen fuel cell
Reversed heating, promotes the starting performance of hydrogen fuel cell.
The utility model adopts the following technical solutions:
A kind of hydrogen fuel cell car warm air system characterized by comprising entire car controller, hydrogen fuel cell, heat are handed over
Parallel operation, warm wind heat transfer loop, temperature sensor；
Wherein, hydrogen fuel cell has battery soft circulation circuit；
Include the two independent channels conducted heat mutually in the heat exchanger, respectively with the battery soft circulation circuit with
Warm wind heat transfer loop connection；
The temperature sensor is set in heat exchanger in the channel for being connected to warm wind heat transfer loop；
The warm wind heat transfer loop includes warm wind medium pipeline and the warm-air water pump being set on warm wind medium pipeline, heating
Device and interior heater；
The temperature sensor, hydrogen fuel cell are connected separately entire car controller；
The entire car controller connects and controls the opening and closing of hydrogen fuel cell, warm-air water pump, heater.
Preferably, the heater is ptc heater, is powered by vehicle power supply；The car heater includes blower
And warm-air exchanger.
Preferably, in the heat exchanger, battery soft circulation circuit is opposite with the medium of warm wind heat transfer loop flow direction.
The utility model has the advantage that
(1) vehicle warm wind can be converted by the waste heat of hydrogen fuel cell with the waste heat of effective recycling hydrogen fuel cell
The heat source of system reduces warm air system energy consumption；
(2) the heat dissipation load of hydrogen fuel cell can also be reduced, the environmental suitability of hydrogen fuel car is improved；
(3) hydrogen fuel cell can reversely be heated, promotes the starting performance of hydrogen fuel cell.
Detailed description of the invention
Fig. 1 is the embodiments of the present invention schematic illustration；
Fig. 2 is the utility model embodiment start operating performance heat transfer schematic block diagram；
Fig. 3 is the utility model embodiment composite heating operating condition heat transfer schematic block diagram；
Fig. 4 is the utility model embodiment list heating cycle heat transfer schematic block diagram；
Fig. 5 is the utility model embodiment control logic schematic block diagram；
Wherein: 1, hydrogen fuel cell, 2, heat exchanger, 3, temperature sensor, 4, entire car controller, 5, ptc heater,
6, interior heater, 7, warm-air water pump, 8, battery soft circulation circuit, 9, warm wind heat transfer loop, 10, warm wind medium pipeline.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, the present embodiment is a kind of hydrogen fuel cell car warm air system, comprising: entire car controller 4, hydrogen combustion
Expect battery 1, heat exchanger 2, warm wind heat transfer loop 9, temperature sensor 3；
Wherein, the entire car controller 4 is CAN bus type using entire car controller 4 used in former vehicle；The temperature sensing
Device 3, hydrogen fuel cell 1 are connected separately entire car controller 4；
The starting of hydrogen fuel cell 1 is also to lead to switch control harness and working condition using battery used in former vehicle
Harness is fed back, the signal input/output port of entire car controller 4 is connected to.
Hydrogen fuel cell 1 is general all to have battery soft circulation circuit；Battery soft circulation circuit 8 in the present embodiment carries out
Part is changed, and heat exchanger 2 is additionally arranged；The heat exchanger 2 uses double back pipeline heat exchanger, and inside includes two to conduct heat mutually
The independent channel of item is connected to the battery soft circulation circuit 8 with warm wind heat transfer loop 9 respectively.The heat exchanger 2 is interior changes
Thermal, outside use vacuum insulation structure, guarantee that heat exchanger 2 does not carry out heat with external environment and exchanges；Internal structure is
Aluminum plate fin heat exchange structure.
When the heat exchanger 2 is connect with battery soft circulation circuit 8 with warm wind heat transfer loop 9, two circuits can also be made
Flow direction inside heat exchanger 2 is on the contrary, such setting can further raising heat exchanging efficiency.Because of Jie of co-flow
Matter is same certain media in lasting heat transfer in the identical situation of flow velocity；With heat exchange, heat exchange is done in two circuits
This certain media temperature difference it is smaller and smaller, heat exchanger effectiveness also can be lower and lower.And when flowing to opposite, then it is different portions
Divide medium in constantly progress heat exchange, the temperature difference will not obviously become smaller, and heat exchanger effectiveness will not be lower.
Originally independent radiator is provided in battery soft circulation circuit 8, fuel cell coolant liquid is absorbing fuel electricity
After heat of reaction in pond, heat exchanger 2 is first passed through then using the radiator of script.Stop in the warm air system of the present embodiment
In the case where only working, heat exchanger 2 does not conduct heat externally, fuel battery inside heat by script radiator and external environment into
Row heat exchange；When the work of the warm air system of the present embodiment, heat exchanger 2 can share the original heat dissipation system of a part of fuel cell
The heat dissipation load of system.
The heat transfer medium used in battery soft circulation circuit described in the present embodiment 8 is the dedicated cooling of common fuel cell
Liquid；Heat transfer medium used in warm wind heat transfer loop 9 is common anti-icing fluid.
The temperature sensor 3 is thermosensitive resistance type, is connected in the channel of warm wind heat transfer loop 9 in heat exchanger 2,
Signal connecting line is connected to the temperature sensor mouth of entire car controller 4 after tube wall；In order to make design and control obtain letter
Change, the utility model is only provided with a temperature sensor 3, and what when operation surveyed is that heat transfer used in warm wind heat transfer loop 9 is situated between
The temperature of matter (can abbreviation warm wind medium)；The temperature sensor 3 is disposed in proximity to the position of battery soft circulation circuit 8, it can be with
The temperature of battery soft circulation circuit 8 is estimated using the measuring temperature, to estimate the temperature inside hydrogen fuel cell 1.Due to
Heat exchange is always between inside battery and battery soft circulation circuit 8, between battery soft circulation circuit 8 and warm wind heat transfer loop 9
It is lasting to carry out, it can be considered that the difference between 3 measured value of the temperature inside hydrogen fuel cell 1 and temperature sensor is smaller,
Directly presumption does not influence to use.Such as in order to precisely control, for the temperature difference small between presumption temperature and actual temperature, also
A penalty coefficient can be determined by experiment, be added when carrying out T0 setting, in order to which product is direct in actual use
Using.
The warm wind heat transfer loop 9 includes warm wind medium pipeline 10 and the warm-air water pump being set on warm wind medium pipeline 10
7, heater and interior heater 6；The heater is ptc heater 5；Warm-air water pump 7, heater and interior heater
6 are powered by vehicle power supply；The car heater 6 includes blower and warm-air exchanger, is all made of existing universal component,
Wherein warm-air exchanger provides the heat source of warm wind, and blower provides the wind regime of warm wind.Blower described in the present embodiment is 305 nothing of diameter
Brush blower；Warm-air exchanger can be single loop finned heat exchanger, and home loop accesses warm wind medium pipeline 10, using from combustion
The heat that material battery transmitting comes makes the fin of warm-air exchanger heat up, and the distinguished and admirable of the blowout of blower is heated through fin, until
The exit of interior heater 6 becomes warm wind, into the car.
Tubing used by the warm wind medium pipeline 10 is ethylene propylene diene rubber.
Warm-air water pump 7 described in the present embodiment is brushless electronic water pump, ptc heater 5 is higfh-tension ceramics heater, heating
Power is 5KW, and ptc heater inlet and outlet are connect by Sebific duct hoop with warm wind medium pipeline, is equipped with control line；The control
Line is separately connected the water pump control mouth of entire car controller 4, ptc heater control mouth, makes warm-air water pump 7 and ptc heater 5 can be with
It is opened and closed under the signal control of entire car controller 4.
The utility model includes three kinds of operating conditions: start operating performance, composite heating operating condition, single heating cycle,
Start operating performance: entire car controller 4 controls ptc heater 5 and warm-air water pump 7 works, in warm wind heat transfer loop 9
Heat transfer medium is heated, and then reversed heat exchange is carried out by heat exchanger 2 and battery soft circulation circuit 8, to reach fast
The purpose of speed heat machine, needed for so that the temperature of fuel cell is reached starting as early as possible, warm air system is to aid in original heating system at this time
Collective effect；This operating condition vehicle heat flow direction is as shown in Figure 2；
Composite heating operating condition: when environment temperature is lower or hydrogen fuel cell 1 is in compared with low heat loads operating condition, vehicle control
Device 4 processed controls ptc heater 5 and works, with hydrogen fuel cell 1 collectively as the heat source of vehicle warm air system；Heat transfer at this time
Direction is as shown in Figure 3；
Single heating cycle:, can be with when environment temperature is higher or hydrogen fuel cell 1 is in compared under high heat load operating condition
Using only heat exchanger 2 as the heat source of vehicle warm air system；Heat transfer direction is as shown in Figure 4.
The control method of warm air system described in the present embodiment, as shown in figure 5, including the following steps:
The selection of step 1 operating condition: after entire car controller 4 receives the warm air system enabling signal that heater switch is sent, Xiang Nuan
Geomantic omen pump 7 sends starting-up signal, the work feedback signal K value of continuous collecting hydrogen fuel cell 1 and warm wind heat-transfer medium temperature T；
As K=0, determine that hydrogen fuel cell 1 is in shutdown status and is transferred to step 2 into start operating performance；
As K=1, determine that hydrogen fuel cell 1 is in running order, is 5 DEG C by T and set temperature T1(T1 setting value, when
When temperature is lower than 5 DEG C, fuel battery inside can freeze, and can not normally start) it is compared；As T≤T1, into composite heating work
Condition is transferred to step 3；As T > T1, into single heating cycle, it is transferred to step 4；
Step 2 start operating performance: T and 1 start-up temperature setting value T0(of hydrogen fuel cell is determined by fuel cell self-characteristic
It is fixed) it is compared；
As T≤T0, entire car controller 4 sends starting-up signal to ptc heater 5, controls its starting；Warm wind is not given simultaneously
Water pump 7 sends control instruction, remains operational it；
As T > T0, entire car controller 4 sends off signal to ptc heater 5, controls its closing；Warm wind is not given simultaneously
Water pump 7 sends control instruction, remains operational it；
Step 3 composite heating operating condition: entire car controller 4 sends starting-up signal to ptc heater 5, controls its starting；Together
When do not give warm-air water pump 7 send control instruction, remain operational it；
Step 4 list heating cycle: entire car controller 4 sends off signal to ptc heater 5, makes its closing；Simultaneously not
Control instruction is sent to warm-air water pump 7, remains operational it；
Step 5 is closed: when entire car controller 4 receives the shutdown signal that heater switch is sent, being heated respectively to PTC
Device 5 and warm-air water pump 7 send shutdown signal, to stop the operation of warm air system.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model, not give
The part presented with partial enlargement is described in detail, is the prior art, herein without repeating.Therefore, the utility model will not
It is intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and feature widest
Range.
Claims (3)
1. a kind of hydrogen fuel cell car warm air system characterized by comprising entire car controller (4), hydrogen fuel cell (1),
Heat exchanger (2), warm wind heat transfer loop (9), temperature sensor (3)；
Wherein, hydrogen fuel cell (1) has battery soft circulation circuit (8)；
Include the two independent channels conducted heat mutually in the heat exchanger (2), respectively with the battery soft circulation circuit (8)
It is connected to warm wind heat transfer loop (9)；
The temperature sensor (3) is set in heat exchanger (2) in the channel of connection warm wind heat transfer loop (9)；
The warm wind heat transfer loop (9) includes warm wind medium pipeline (10) and the warm wind water that is set on warm wind medium pipeline (10)
Pump (7), heater and interior heater (6)；
The temperature sensor (3), hydrogen fuel cell (1) are connected separately entire car controller (4)；
The entire car controller (4) connects and controls the opening and closing of hydrogen fuel cell (1), warm-air water pump (7), heater.
2. hydrogen fuel cell car warm air system according to claim 1, which is characterized in that the heater adds for PTC
Hot device (5), is powered by vehicle power supply；The car heater (6) includes blower and warm-air exchanger.
3. hydrogen fuel cell car warm air system according to claim 1, which is characterized in that in the heat exchanger (2),
Battery soft circulation circuit (8) is opposite with the medium of warm wind heat transfer loop (9) flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164853.9U CN208530220U (en) | 2018-07-23 | 2018-07-23 | A kind of hydrogen fuel cell car warm air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164853.9U CN208530220U (en) | 2018-07-23 | 2018-07-23 | A kind of hydrogen fuel cell car warm air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208530220U true CN208530220U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821164853.9U Active CN208530220U (en) | 2018-07-23 | 2018-07-23 | A kind of hydrogen fuel cell car warm air system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859661A (en) * | 2018-07-23 | 2018-11-23 | 中国重汽集团济南动力有限公司 | A kind of hydrogen fuel cell car warm air system and control method |
| CN114216284A (en) * | 2021-11-29 | 2022-03-22 | 青岛海尔空调器有限总公司 | Control method of temperature management system of vehicle and temperature management system |
-
2018
- 2018-07-23 CN CN201821164853.9U patent/CN208530220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859661A (en) * | 2018-07-23 | 2018-11-23 | 中国重汽集团济南动力有限公司 | A kind of hydrogen fuel cell car warm air system and control method |
| CN114216284A (en) * | 2021-11-29 | 2022-03-22 | 青岛海尔空调器有限总公司 | Control method of temperature management system of vehicle and temperature management system |
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