CN213304182U - Compressed air system and fuel cell automobile - Google Patents
Compressed air system and fuel cell automobile Download PDFInfo
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- CN213304182U CN213304182U CN202022561831.XU CN202022561831U CN213304182U CN 213304182 U CN213304182 U CN 213304182U CN 202022561831 U CN202022561831 U CN 202022561831U CN 213304182 U CN213304182 U CN 213304182U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a compressed air system and a fuel cell automobile, wherein the compressed air system comprises an air compressor, a supercharger, a first flow divider and an air storage tank; the outlet of the air compressor is communicated with the inlet of the first shunt; a first outlet of the first flow divider is in conduction connection with an inlet of a supercharger, an outlet of the supercharger is in conduction connection with an inlet of an air storage tank, and the air storage tank is used for providing power for a pneumatic brake and a pneumatic car door; the second outlet of the first shunt is connected with the air inlet of the fuel cell in a communication way and is used for providing air for the fuel cell. The utility model discloses use an air compressor machine, through the booster, realize the whole car low pressure of fuel cell and air compressor machine of high-pressure compressed air sharing, can make the whole car of fuel cell reduce an air compressor machine and controller like this, reduce whole car compressed air system cost, improve system reliability.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile fuel cell technique and specifically relates to a compressed air system and fuel cell car are related to.
Background
At present, a fuel cell automobile uses two sets of electric air compressors, one set of low-voltage electric air compressor is an air supply system of a fuel cell system, air is pressurized to about 2bar and then enters a fuel cell stack to be used as an oxidant; the other set of high-pressure electric air compressor boosts the air to about 10bar, and provides compressed air for pneumatic components such as automobile brakes, pneumatic doors and the like. And the cost of the whole air compression system is high by adopting two sets of electric air compressors.
Therefore, how to reduce the cost of the whole vehicle compressed air system is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the first objective of the present invention is to provide a compressed air system, which can reduce the cost of the whole compressed air system.
A second object of the present invention is to provide a fuel cell vehicle.
In order to achieve the first object, the present invention provides the following solutions:
a compressed air system comprises an air compressor, a supercharger, a first flow divider and an air storage tank;
the outlet of the air compressor is communicated with the inlet of the first flow divider;
a first outlet of the first flow divider is in conduction connection with an inlet of the supercharger, an outlet of the supercharger is in conduction connection with an inlet of the air storage tank, and the air storage tank is used for providing power for a pneumatic brake and a pneumatic car door;
and the second outlet of the first shunt is communicated and connected with the air inlet of the fuel cell and is used for providing air for the fuel cell.
In a specific embodiment, the air compressor is a low pressure air compressor.
In another specific embodiment, the first flow splitter comprises a first throttle valve and a second throttle valve;
the inlet of the first throttle valve is connected with the inlet of the second throttle valve in a conduction mode, the outlet of the first throttle valve is connected with the inlet of the supercharger in a conduction mode, and the outlet of the second throttle valve is connected with the air inlet of the fuel cell in a conduction mode.
In another specific embodiment, the first throttling valve is an adjustable throttling valve;
and/or
The second throttle valve is an adjustable throttle valve.
In another specific embodiment, the compressed air system further comprises a first on-off valve;
the first switching valve is disposed between the first outlet of the first flow divider and the supercharger.
In another specific embodiment, the compressed air system further comprises a second on-off valve;
the second switching valve is disposed between the second outlet of the first shunt and the fuel cell.
In another specific embodiment, the compressed air system further comprises a second flow splitter;
the inlet of the second flow divider is in conduction connection with the outlet of the air storage tank, the first outlet of the second flow divider is in conduction connection with the pneumatic brake, and the second outlet of the second flow divider is in conduction connection with the pneumatic car door.
In another specific embodiment, the second flow splitter comprises a third throttle valve and a fourth throttle valve;
the inlet of the third throttle valve is in conduction connection with the inlet of the fourth throttle valve, the outlet of the third throttle valve is in conduction connection with the inlet of the pneumatic brake, and the outlet of the fourth throttle valve is in conduction connection with the air inlet of the pneumatic car door.
In another specific embodiment, the third throttle is an adjustable throttle;
and/or
The fourth throttle valve is an adjustable throttle valve.
According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.
Use the utility model provides a during compressed air system, the air compressor machine starts, carries the air current for fuel cell through first shunt all the way, carries the oxidant that reacts as fuel cell, and another way is carried for the gas holder after the booster pressure boost to provide power for pneumatic brake and pneumatic door through the gas holder. The utility model discloses use an air compressor machine, through the booster, realize the whole car low pressure of fuel cell and air compressor machine of high-pressure compressed air sharing, can make the whole car of fuel cell reduce an air compressor machine and controller like this, reduce whole car compressed air system cost, improve system reliability.
In order to achieve the second objective, the present invention provides the following solutions:
a fuel cell vehicle comprising a compressed air system as claimed in any preceding claim.
Because the utility model discloses a fuel cell car includes the compressed air system in the above-mentioned arbitrary one, consequently, the beneficial effect that the compressed air system has all is the utility model discloses a fuel cell car contains.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.
Fig. 1 is a schematic structural diagram of a compressed air system provided by the present invention.
Wherein, in fig. 1:
the air compressor comprises an air compressor 1, a supercharger 2, a first flow divider 3, an air storage tank 4, a pneumatic brake 5, a pneumatic vehicle door 6, a fuel cell 7, DC/DC8, a power battery 9 and a motor driving system 10.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to fig. 1 and the detailed description.
As shown in fig. 1, an aspect of the present invention provides a compressed air system, wherein the compressed air system includes an air compressor 1, a supercharger 2, a first flow divider 3 and an air storage tank 4.
The outlet of the air compressor 1 is in conduction connection with the inlet of the first shunt 3, and specifically, the air compressor 1 is an electric air compressor driven by a driving power supply, so that the control of the air compressor 1 is facilitated.
The first outlet of the first flow divider 3 is in conduction connection with the inlet of the supercharger 2, the outlet of the supercharger 2 is in conduction connection with the inlet of the air storage tank 4, and the air storage tank 4 is used for providing power for the pneumatic brake 5 and the pneumatic car door 6. It should be noted that the gas storage tank 4 may also provide power for other mechanisms of the whole vehicle that require gas to provide power.
A second outlet of the first flow divider 3 is in fluid connection with an air inlet of the fuel cell 7 for providing air to the fuel cell 7. It should be noted that hydrogen is introduced into the hydrogen inlet of the fuel cell 7, and is mixed with air introduced into the air inlet, so as to realize clean combustion, and then the energy is transmitted to the power battery 9 and the motor driving system 10 after being converted by DC/DC8(DC/DC8 means that a fixed DC voltage is converted into a variable DC voltage, and is also called a DC chopper).
Use the utility model provides a during compressed air system, air compressor machine 1 starts, carries the air current for fuel cell 7 through first shunt 3 all the way, carries for gas holder 4 as the oxidant that fuel cell 7 reacts, another way after the 2 pressure boost of booster to provide power for pneumatic brake 5 and pneumatic door 6 through gas holder 4. The utility model discloses use an air compressor machine 1, through booster 2, realize 7 whole cars of fuel cell air compressor machine 1 of low pressure and high-pressure compressed air sharing, can make 7 whole cars of fuel cell reduce an air compressor machine 1 and its controller like this, reduce whole car compressed air system cost, improve system reliability.
In some embodiments, the air compressor 1 is a low-pressure air compressor, and the air compressor is pressurized by the supercharger 2, so that the fuel cell 7 shares one air compressor 1 with low-pressure and high-pressure compressed air.
In some embodiments, the first flow divider 3 comprises a first throttle valve and a second throttle valve, the inlet of the first throttle valve and the inlet of the second throttle valve being in fluid connection, the outlet of the first throttle valve being in fluid connection with the inlet of the supercharger 2, and the outlet of the second throttle valve being in fluid connection with the air inlet of the fuel cell 7. The distribution of the amount of gas entering the supercharger 2 and the fuel cell 7 is achieved by the first throttle valve and the second throttle valve.
Further, the utility model discloses a first choke valve is adjustable throttle valve, is convenient for realize the control to first choke valve opening, and then realizes the regulation to the gas volume that gets into booster 2.
Further, the utility model discloses a second choke valve is adjustable choke valve, is convenient for realize the control to the second choke valve opening, and then realizes the regulation to the gas volume that gets into fuel cell 7.
In some embodiments, the compressed air system further comprises a first switch valve disposed between the first outlet of the first flow divider 3 and the supercharger 2 to control the on/off of the airflow flowing into the supercharger 2.
In some embodiments, the compressed air system further comprises a second switch valve, which is disposed between the second outlet of the first flow divider 3 and the fuel cell 7, and is used for controlling the on/off of the air flow flowing into the fuel cell 7.
In some embodiments, the compressed air system further comprises a second flow divider, an inlet of the second flow divider is in communication with an outlet of the air storage tank 4, a first outlet of the second flow divider is in communication with the pneumatic brake 5, and a second outlet of the second flow divider is in communication with the pneumatic door 6. The arrangement of the second flow divider is convenient for realizing the control of the gas amount entering the pneumatic brake 5 and the pneumatic car door 6, and different flow rates can be distributed to the pneumatic brake 5 and the pneumatic car door 6 according to the specific required force.
Specifically, the utility model discloses a second current divider includes third choke valve and fourth choke valve, the entry turn-on connection of third choke valve entry and fourth choke valve, the export of third choke valve and pneumatic brake 5's entry turn-on connection, the export of fourth choke valve and pneumatic door 6's air inlet turn-on connection. The distribution of the amount of gas entering the pneumatic brake 5 and the vehicle door 6 is effected by means of a third throttle and a fourth throttle.
Further, the utility model discloses a third throttle valve is adjustable throttle valve, is convenient for realize the control to third throttle valve aperture, and then realizes the regulation to the gas volume that gets into pneumatic brake 5.
Further, the utility model discloses a fourth choke valve is adjustable throttle valve, is convenient for realize the control to the fourth choke valve opening, and then realizes the regulation to the gas volume that gets into pneumatic door 6.
The utility model discloses draw forth partial compressed air on the low pressure air compressor machine 1 of fuel cell 7 system for drive booster 2, booster 2 is high-pressure gas with the low-pressure gas pressure boost. After the air is pressurized by the low-pressure air compressor 1, the flow distribution of the compressed air of the air compressor 1 to the fuel electric ground and the supercharger 2 is controlled by the first flow divider 3.
The low-pressure compressed air is used as a low-pressure driving air source of the supercharger 2, the supercharger 2 is driven by the low-pressure air at the large-area piston end to generate high-pressure air at the small-area piston end, the high-pressure air is continuously generated through continuous reciprocating motion of the piston, and the high-pressure air is stored through the air storage tank 4 and is supplied to pneumatic braking of the whole vehicle, the pneumatic vehicle door 6 and the like. The low pressure compressed gas flows through the splitter to the fuel cell 7 as the oxidant for the fuel cell 7.
Another aspect of the present invention provides a fuel cell vehicle including a compressed air system as in any one of the above embodiments.
Because the utility model discloses a fuel cell car includes the compressed air system in the above-mentioned arbitrary one, consequently, the beneficial effect that the compressed air system has all is the utility model discloses a fuel cell car contains.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A compressed air system is characterized by comprising an air compressor, a supercharger, a first flow divider and an air storage tank;
the outlet of the air compressor is communicated with the inlet of the first flow divider;
a first outlet of the first flow divider is in conduction connection with an inlet of the supercharger, an outlet of the supercharger is in conduction connection with an inlet of the air storage tank, and the air storage tank is used for providing power for a pneumatic brake and a pneumatic car door;
and the second outlet of the first shunt is communicated and connected with the air inlet of the fuel cell and is used for providing air for the fuel cell.
2. The compressed air system of claim 1, wherein the air compressor is a low pressure air compressor.
3. The compressed air system of claim 1, wherein the first flow splitter comprises a first throttle valve and a second throttle valve;
the inlet of the first throttle valve is connected with the inlet of the second throttle valve in a conduction mode, the outlet of the first throttle valve is connected with the inlet of the supercharger in a conduction mode, and the outlet of the second throttle valve is connected with the air inlet of the fuel cell in a conduction mode.
4. The compressed air system of claim 3, wherein the first throttle valve is an adjustable throttle valve;
and/or
The second throttle valve is an adjustable throttle valve.
5. The compressed air system of claim 4, further comprising a first on-off valve;
the first switching valve is disposed between the first outlet of the first flow divider and the supercharger.
6. The compressed air system of claim 5, further comprising a second on-off valve;
the second switching valve is disposed between the second outlet of the first shunt and the fuel cell.
7. The compressed air system of any of claims 1-6, further comprising a second flow splitter;
the inlet of the second flow divider is in conduction connection with the outlet of the air storage tank, the first outlet of the second flow divider is in conduction connection with the pneumatic brake, and the second outlet of the second flow divider is in conduction connection with the pneumatic car door.
8. The compressed air system of claim 7, wherein the second flow splitter comprises a third throttle valve and a fourth throttle valve;
the inlet of the third throttle valve is in conduction connection with the inlet of the fourth throttle valve, the outlet of the third throttle valve is in conduction connection with the inlet of the pneumatic brake, and the outlet of the fourth throttle valve is in conduction connection with the air inlet of the pneumatic car door.
9. The compressed air system of claim 8, wherein the third throttle valve is an adjustable throttle valve;
and/or
The fourth throttle valve is an adjustable throttle valve.
10. A fuel cell vehicle, characterized by comprising a compressed air system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561831.XU CN213304182U (en) | 2020-11-06 | 2020-11-06 | Compressed air system and fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022561831.XU CN213304182U (en) | 2020-11-06 | 2020-11-06 | Compressed air system and fuel cell automobile |
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| Publication Number | Publication Date |
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| CN213304182U true CN213304182U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022561831.XU Active CN213304182U (en) | 2020-11-06 | 2020-11-06 | Compressed air system and fuel cell automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030350A (en) * | 2021-10-28 | 2022-02-11 | 东风商用车有限公司 | Air filtering and air inlet system of fuel cell automobile |
| CN114530615A (en) * | 2022-03-02 | 2022-05-24 | 北京亿华通科技股份有限公司 | Fuel cell engine capable of preventing excessive hydrogen air pressure difference and control method thereof |
-
2020
- 2020-11-06 CN CN202022561831.XU patent/CN213304182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030350A (en) * | 2021-10-28 | 2022-02-11 | 东风商用车有限公司 | Air filtering and air inlet system of fuel cell automobile |
| CN114530615A (en) * | 2022-03-02 | 2022-05-24 | 北京亿华通科技股份有限公司 | Fuel cell engine capable of preventing excessive hydrogen air pressure difference and control method thereof |
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