CN205002333U - Fuel cell is air conditioning unit for vehicle - Google Patents
Fuel cell is air conditioning unit for vehicle Download PDFInfo
- Publication number
- CN205002333U CN205002333U CN201520667530.1U CN201520667530U CN205002333U CN 205002333 U CN205002333 U CN 205002333U CN 201520667530 U CN201520667530 U CN 201520667530U CN 205002333 U CN205002333 U CN 205002333U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- evaporimeter
- fuel
- conditioner set
- fluid
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 238000004378 air conditioning Methods 0.000 title abstract description 7
- 239000003507 refrigerant Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 29
- 239000012809 cooling fluid Substances 0.000 claims description 16
- 239000000110 cooling liquid Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model relates to a fuel cell is air conditioning unit for vehicle, including the casing, install evaporimeter, condenser, indoor fan, outdoor fan, compressor and cross valve in the casing, evaporimeter, condenser, compressor, cross valve connect to form refrigerant circulation circuit through the connecting line, still install the enthalpy exchanger that has a surplus in the casing, and surplus enthalpy exchanger's entry and export are connected through pipeline and fuel cell's coolant liquid exit, and surplus enthalpy exchanger and evaporimeter are fin tubular heat exchanger, and surplus enthalpy exchanger and evaporimeter side by side and in parallel set up. The utility model discloses entire system simple structure, it is with low costs, improved security, travelling comfort and the energy -conserving effect of air conditioner heating moreover.
Description
Technical field
The utility model patent relates to a kind of air-conditioner set, and particularly a kind of fuel-cell vehicle air-conditioner set utilizing fuel cell waste heat to be Compartment Heating, belongs to fuel-cell vehicle air-conditioning technical field.
Background technology
Often save compartment in existing rail vehicle and all air-conditioner set is installed, air-conditioner set adopts modular structure mostly, air-conditioner set comprises a housing, indoor and outside is divided in housing, be provided with evaporimeter, indoor ventilator etc. in indoor, outside is provided with compressor, condenser and outdoor fan etc.
The mode that heats of existing rail vehicle air conditioner group adopts electrical heating form, in the indoor of air-conditioner set, electric heater is installed, electric heater is generally arranged on the side of evaporimeter and evaporimeter is arranged side by side, and in the winter time, utilizes electric heater for heating up in compartment, guest room.Some air-conditioner set, adopt electrical heating to heat with heat pump the mode combined, and switch by detecting ambient temperature, outdoor environment temperature starts electrical heating lower than-13 DEG C, and outdoor environment temperature then starts heat pump higher than-13 DEG C and heats.Electrically heated mode is adopted to heat; there is the problem that electric heater power consumption is large; cause air-conditioner set heating energy efficiency ratio lower; and because the electric heating tube temperature of electric heater is normally at about 200 DEG C; if fuse shielding failure in electrical heating; be easy to breaking out of fire, improve the insecurity of air-conditioner set.
For fuel-cell vehicle, wherein fuel cell is the TRT utilizing chemical reaction to be electric energy by chemical energy, a large amount of heats can be discharged in course of reaction, the temperature of its cooling solution can reach 70 DEG C, flow is maximum reaches 330L/min, and this part of waste heat is enough for providing the heat needed for heating in compartment.In the prior art, in order to UTILIZATION OF VESIDUAL HEAT IN be got up for compartment provides heat to reach the object heated, add the heat-exchange system utilizing waste heat heat exchange in systems in which, but total system is comparatively complicated.
Utility model content
The utility model main purpose is to solve the problem and not enough, provides a kind of structure simple, can improve security and heat exchange efficiency fuel-cell vehicle air-conditioner set.
For achieving the above object, technical scheme of the present invention is:
A kind of fuel-cell vehicle air-conditioner set, comprise housing, evaporimeter, condenser, indoor fan, outdoor fan, compressor and cross valve are installed in housing, described evaporimeter, condenser, compressor, cross valve connect to form refrigerant circulation circuit by connecting line, in housing, also afterheat heat exchanger is installed, the entrance and exit of described afterheat heat exchanger to be imported and exported with the cooling fluid of fuel cell by pipeline and is connected, described afterheat heat exchanger and evaporimeter are fin-tube heat exchanger, and described afterheat heat exchanger and evaporimeter side by side parallel are arranged.
Further, two described evaporimeters and two afterheat heat exchangers are installed in air-conditioner set, the cooling liquid outlet of fuel cell connects a triple valve by feed liquor main pipe rail, two ports of export of triple valve are connected respectively by the entrance of feed liquor bye-pass with two described afterheat heat exchangers, are connected after the outlet of two described afterheat heat exchangers is gathered by fluid bye-pass by fluid main pipe rail with the cooling liquid inlet of fuel cell again.
Further, the entrance and exit place of described afterheat heat exchanger connects a feed liquor flexible pipe and fluid flexible pipe respectively, and described liquid flexible pipe is connected with described feed liquor bye-pass and fluid bye-pass with the other end of fluid flexible pipe.
Further, the described feed liquor main pipe rail be connected with the cooling liquid outlet end of fuel cell is serially connected with flow control valve.
Further, feed liquor main pipe rail, feed liquor bye-pass, fluid bye-pass and fluid main pipe rail adopt stainless steel tube.
Further, described afterheat heat exchanger is installed on the air side of described evaporimeter.
Further, described afterheat heat exchanger adopts aluminum pipe and aluminum fin-stock.
Further, described afterheat heat exchanger and evaporimeter form indoor heat exchanger jointly, and indoor heat exchanger comprises at least two relatively independent group heat exchanger tubes, and wherein one group of heat exchanger tube is as afterheat heat exchanger, and all the other heat exchanger tubes access refrigerant circulation circuit as evaporimeter.
Further, the fin thickness of described indoor heat exchanger is 0.14mm.
To sum up content, a kind of fuel-cell vehicle air-conditioner set of the present invention, in housing, afterheat heat exchanger is installed, to be imported and exported with the cooling fluid of fuel cell by afterheat heat exchanger and be connected, utilize the indoor fan of air-conditioner set by with the cooling fluid heat exchange in waste heat parallel operation after the higher air of temperature send in compartment, whole air-conditioning unit structure is simple, and cost is low.The heat that this air-conditioner set utilizes fuel cell to produce is guest room heat supply in winter, and the coolant temperature of fuel cell can not more than 70 DEG C, do not reach the burning-point of nonmetallic materials in air-conditioning, can not initiation fire, improve the security of warming by air conditioner system, comfortableness and energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A sectional view of Fig. 1.
As depicted in figs. 1 and 2, housing 1, dividing plate 2, indoor 3, outside 4, evaporimeter 5, indoor fan 6, afterheat heat exchanger 7, compressor 8, outdoor heat exchanger 9, outdoor fan 10, feed liquor main pipe rail 11, triple valve 12, feed liquor bye-pass 13, fluid bye-pass 14, fluid main pipe rail 15, flow control valve 16, feed liquor flexible pipe 17.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of fuel-cell vehicle air-conditioner set, for Air conditioning unit, comprise a housing 1, indoor 3 and outside 4 is separated at housing 1 inner-use clapboard 2, indoor 3 is provided with two evaporimeters, 5, two indoor fans 6 and two afterheat heat exchangers 7 etc., is provided with two compressors, 8, two condensers 9, outdoor fan 10 and a cross valve (not shown) etc. in outside 4.Wherein, evaporimeter 5, condenser 9, compressor 8 and cross valve are connected to form the refrigeration of refrigerant circulation by connecting line and heat loop.The entrance and exit of afterheat heat exchanger 7 is imported and exported with the cooling fluid of fuel cell and is connected, the fuel cell cooling fluid of high temperature enters in afterheat heat exchanger 7 from the entrance of afterheat heat exchanger 7, utilize the air in the heat of cooling fluid and guest room to carry out heat exchange, be continuously objective indoor heating.
As shown in Figure 1, in the present embodiment, two evaporimeters 5 and two afterheat heat exchangers 7 all adopt fin-tube heat exchanger, and fin-tube heat exchanger air heat-exchange better effects if, can improve heat exchange efficiency.Two evaporimeters 5 be arranged in parallel along the transverse direction of air-conditioner set, and afterheat heat exchanger 7 side by side parallel is arranged on the side of evaporimeter 5, and afterheat heat exchanger 7 is arranged on the air side of evaporimeter 5.The new wind entered from return air inlet and the fresh wind port of air-conditioner set and the mixing air of return air are respectively through the evaporimeter 5 of both sides and afterheat heat exchanger 7, heat exchange is carried out with the cooling fluid in the refrigerant in evaporimeter 5 or afterheat heat exchanger 7, send in guest room, to reduce or to raise the environment temperature in guest room from the air outlet of both sides under the effect of two indoor fans 6.
In the present embodiment, for making the structure of heat exchanger more simple, reduce costs, evaporimeter 5 and afterheat heat exchanger 7 can also adopt parallel structure, namely afterheat heat exchanger 7 and evaporimeter 5 form indoor heat exchanger jointly, indoor heat exchanger comprises at least two relatively independent group heat exchanger tubes, and wherein one group of heat exchanger tube to be imported and exported with the cooling fluid of fuel cell as afterheat heat exchanger 7 and is connected, and all the other heat exchanger tubes access the refrigeration of refrigerant circulation as evaporimeter 5 and heat loop.
The cooling liquid outlet of fuel cell is connected with the feed liquor main pipe rail 11 of air-conditioner set by exterior line, feed liquor main pipe rail 11 connects a triple valve 12, two ports of export of triple valve 12 are connected respectively by the entrance of feed liquor bye-pass 13 with two afterheat heat exchangers 7, feed liquor main pipe rail 11 is provided with a flow control valve 16, for controlling required heating capacity, the outlet of two afterheat heat exchangers 7 is gathered by fluid bye-pass 14 and is connected with fluid main pipe rail 15 afterwards, and fluid main pipe rail 15 is connected with the cooling liquid inlet of fuel cell by exterior line again.
The entrance and exit place of afterheat heat exchanger 7 connects one section of feed liquor flexible pipe 17 and fluid flexible pipe (not shown) respectively, and feed liquor flexible pipe 17 is connected feed liquor bye-pass 13 and fluid bye-pass 14 respectively with the other end of fluid flexible pipe.Feed liquor flexible pipe 17 and fluid flexible pipe adopt ethylene propylene diene rubber flexible pipe, and ethylene propylene diene rubber has good solvent resistant etching characteristic, and adopt flexible pipe to connect, and can reduce the difficulty that pipeline connects.In the present embodiment, feed liquor main pipe rail 11, feed liquor bye-pass 13, fluid bye-pass 14 and fluid main pipe rail 15 all preferably adopt stainless steel tube, stainless steel tube has good corrosion resistance characteristic, and feed liquor flexible pipe 17 and the connection between fluid flexible pipe and stainless steel tube adopt stainless steel larynx hoop to fix.
Because cooling fluid is the solution of 44% ethylene glycol and 56% aqueous solution, in order to ensure not and send out biochemical reaction between heat exchanger tube, also ensure heat exchange efficiency simultaneously, the heat exchanger tube of afterheat heat exchanger 7 preferably adopts aluminum pipe, the heat exchanger tube of evaporimeter 5 still adopts copper pipe, fin adopts aluminium flake, and the thickness of fin is preferably 0.14mm.
Fuel cell cooling fluid is connected with the feed liquor main pipe rail 11 in air-conditioner set by unit exterior line, cooling fluid is introduced in air-conditioner set, cooling fluid is after flow control valve 16, the feed liquor bye-pass 13 of both sides is diverted to by triple valve 12, feed liquor flexible pipe 17 again respectively by both sides enters in afterheat heat exchanger 7, the cooling fluid of the high temperature in the new wind entered from return air inlet and the fresh wind port of air-conditioner set and the mixing air of return air and afterheat heat exchanger 7 carries out heat exchange, under the forced heat-exchanging effect of indoor fan 6, air after heating is sent into guest room inner, for Compartment Heating.Cryogenic liquid after heat exchange enters the fluid bye-pass 14 of both sides again respectively by the fluid flexible pipe of both sides, flow out air-conditioner set after finally being gathered through fluid main pipe rail 15, is returned in fuel cell form one and heat circulation by exterior line.At fuel cell cooling liquid outlet, place arranges pump, and under the effect of water pump, cooling fluid is constantly sent to air-conditioner set inside, ensures to continue to objective indoor heating.
The waste heat of air-conditioner set is heated the mutual switching heated with heat pump and is controlled by control software design, there is provided that the difference of coolant temperature and objective indoor actual temperature and design temperature realizes the independent heat pump heating operation of air-conditioner set by vehicle VCU, heat pump heats to heat with waste heat and run and the Three models such as waste heat heating operation separately simultaneously, independent waste heat heating operation mode is by detecting design temperature and actual temperature difference in guest room, the flow control valve 16 of adjusting air conditioning group inside, realizes required heating capacity.
The control logic of waste heat heat exchange and heat pump heat exchanging is as follows:
Ty is coolant temperature, and Ts is design temperature, and Tin is indoor temperature (i.e. return air temperature), and Tout is outdoor temperature.
When refrigerating operaton, control flow check control valve 16 is closed completely.
When needing heating operation in the winter time:
As Ty < 50 DEG C, and during Tout >-13 DEG C, control flow check control valve 16 is closed, and utilizes heat pump heat exchanging to provide institute's calorific requirement for compartment.
As 50 DEG C≤Ty < 56 DEG C, control flow check control valve 16 is opened, and regulates the flow of cooling fluid according to temperature difference, meanwhile, for compartment provides institute's calorific requirement together with heat pump heat exchanging;
When Ty >=56 DEG C, control flow check control valve 16 standard-sized sheet, only utilizes waste heat heat exchange to provide institute's calorific requirement for compartment.Wherein, the value of Ty sends to air-conditioner set by VCU.
When Tout≤-13 DEG C, control flow check control valve 16 is opened, and utilizes afterheat heat exchanger 7 to provide institute's calorific requirement for compartment.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a fuel-cell vehicle air-conditioner set, comprise housing, in housing, evaporimeter is installed, condenser, indoor fan, outdoor fan, compressor and cross valve, described evaporimeter, condenser, compressor, cross valve connects to form refrigerant circulation circuit by connecting line, it is characterized in that: in housing, also afterheat heat exchanger is installed, the entrance and exit of described afterheat heat exchanger to be imported and exported with the cooling fluid of fuel cell by pipeline and is connected, described afterheat heat exchanger and evaporimeter are fin-tube heat exchanger, described afterheat heat exchanger and evaporimeter side by side parallel are arranged.
2. fuel-cell vehicle air-conditioner set according to claim 1, it is characterized in that: two described evaporimeters and two afterheat heat exchangers are installed in air-conditioner set, the cooling liquid outlet of fuel cell connects a triple valve by feed liquor main pipe rail, two ports of export of triple valve are connected respectively by the entrance of feed liquor bye-pass with two described afterheat heat exchangers, are connected after the outlet of two described afterheat heat exchangers is gathered by fluid bye-pass by fluid main pipe rail with the cooling liquid inlet of fuel cell again.
3. fuel-cell vehicle air-conditioner set according to claim 2, it is characterized in that: the entrance and exit place of described afterheat heat exchanger connects a feed liquor flexible pipe and fluid flexible pipe respectively, described liquid flexible pipe is connected with described feed liquor bye-pass and fluid bye-pass with the other end of fluid flexible pipe.
4. fuel-cell vehicle air-conditioner set according to claim 2, is characterized in that: on the described feed liquor main pipe rail be connected with the cooling liquid outlet end of fuel cell, be serially connected with flow control valve.
5. fuel-cell vehicle air-conditioner set according to claim 2, is characterized in that: feed liquor main pipe rail, feed liquor bye-pass, fluid bye-pass and fluid main pipe rail adopt stainless steel tube.
6. fuel-cell vehicle air-conditioner set according to claim 1, is characterized in that: described afterheat heat exchanger is installed on the air side of described evaporimeter.
7. fuel-cell vehicle air-conditioner set according to claim 1, is characterized in that: described afterheat heat exchanger adopts aluminum pipe and aluminum fin-stock.
8. the fuel-cell vehicle air-conditioner set according to any one of claim 1 to 7, it is characterized in that: described afterheat heat exchanger and evaporimeter form indoor heat exchanger jointly, indoor heat exchanger comprises at least two relatively independent group heat exchanger tubes, wherein one group of heat exchanger tube is as afterheat heat exchanger, and all the other heat exchanger tubes access refrigerant circulation circuit as evaporimeter.
9. fuel-cell vehicle air-conditioner set according to claim 8, is characterized in that: the fin thickness of described indoor heat exchanger is 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520667530.1U CN205002333U (en) | 2015-08-31 | 2015-08-31 | Fuel cell is air conditioning unit for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520667530.1U CN205002333U (en) | 2015-08-31 | 2015-08-31 | Fuel cell is air conditioning unit for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002333U true CN205002333U (en) | 2016-01-27 |
Family
ID=55159218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520667530.1U Expired - Fee Related CN205002333U (en) | 2015-08-31 | 2015-08-31 | Fuel cell is air conditioning unit for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205002333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696591A (en) * | 2018-07-09 | 2020-01-17 | 郑州宇通客车股份有限公司 | Vehicle-mounted air conditioner utilizing waste heat of fuel cell |
| CN110785068A (en) * | 2019-11-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Electric cabinet and air conditioner of air conditioner |
| CN111811087A (en) * | 2020-07-20 | 2020-10-23 | 珠海格力电器股份有限公司 | Air conditioner external unit, control method and air conditioner |
-
2015
- 2015-08-31 CN CN201520667530.1U patent/CN205002333U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696591A (en) * | 2018-07-09 | 2020-01-17 | 郑州宇通客车股份有限公司 | Vehicle-mounted air conditioner utilizing waste heat of fuel cell |
| CN110785068A (en) * | 2019-11-22 | 2020-02-11 | 珠海格力电器股份有限公司 | Electric cabinet and air conditioner of air conditioner |
| CN111811087A (en) * | 2020-07-20 | 2020-10-23 | 珠海格力电器股份有限公司 | Air conditioner external unit, control method and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 |