CN212811548U - Fuel cell converter and electric automobile - Google Patents
Fuel cell converter and electric automobile Download PDFInfo
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- CN212811548U CN212811548U CN202021701988.1U CN202021701988U CN212811548U CN 212811548 U CN212811548 U CN 212811548U CN 202021701988 U CN202021701988 U CN 202021701988U CN 212811548 U CN212811548 U CN 212811548U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model provides a fuel cell converter and electric automobile. The fuel cell converter comprises a shell, an input interface, a signal control interface, a voltage conversion module and a first output interface component; the input interface is embedded into the shell and used for receiving a first voltage signal, the signal control interface is arranged on the shell and used for receiving a control signal, the voltage conversion module is arranged in the shell and comprises a first voltage conversion module, the first voltage conversion module is respectively electrically connected with the input interface and the signal control interface so as to enable the first voltage signal to be boosted and converted into a second voltage signal under the control of the control signal, the first output interface assembly comprises a main output interface, the main output interface is arranged on the shell and electrically connected with the output end of the first voltage conversion module, and the second voltage signal is output to supply power for the whole vehicle.
Description
Technical Field
The utility model belongs to the transformer field, concretely relates to fuel cell converter and electric automobile.
Background
The voltage generated by the fuel cell is usually unstable, and sometimes the voltage generated by the fuel cell does not necessarily meet the voltage requirement of each device, therefore, the fuel cell is usually connected to the device not directly, but through a Direct Current to Direct Current (DC-DC) fuel cell converter, so that stable voltage output can be performed, and the voltage required by different devices can be output. The DCDC fuel cell converter is generally applied to various scenes, different equipment needs to be connected, different equipment interfaces are different, the existing DCDC fuel cell converter can not meet the requirements in this respect often, other interfaces need to be connected externally, the use is inconvenient, and the size is large.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present invention provide a fuel cell converter, which can be connected to multiple external devices simultaneously, without using a conversion interface, and has a compact structure and a smaller size.
Furthermore, the embodiment of the utility model provides an electric automobile is still provided.
The utility model provides a fuel cell converter, which is used for outputting the electric energy generated by a fuel cell in a voltage stabilizing way and comprises a shell, an input interface, a signal control interface, a voltage conversion module and a first output interface component; the input interface is embedded into the shell and used for receiving a first voltage signal, the signal control interface is arranged on the shell and used for receiving a control signal, the voltage conversion module is arranged in the shell and comprises a first voltage conversion module, the first voltage conversion module is respectively electrically connected with the input interface and the signal control interface so as to enable the first voltage signal to be boosted and converted into a second voltage signal under the control of the control signal, the first output interface assembly comprises a main output interface, the main output interface is arranged on the shell and electrically connected with the output end of the first voltage conversion module, and the second voltage signal is output to supply power for the whole vehicle.
Furthermore, the shell comprises a cylinder body with openings at two opposite ends, and a first bottom plate and a second bottom plate which are respectively arranged at two ends of the cylinder body; the cylinder body comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are sequentially connected end to end; the first side plate comprises a plate body, a cover body and a sealing ring, wherein a first through hole is formed in the plate body, the input interface is located in the first through hole, and the cover body is detachably mounted on the plate body to seal the first through hole; the sealing ring is arranged at the joint of the cover body and the plate body; a second through hole which is communicated with the first through hole is formed in the second base plate, the second through hole is used for inserting a galvanic pile copper bar of the fuel cell, and the galvanic pile copper bar is electrically connected with the input interface; the signal control interface is arranged on the fourth side plate; the main output interface is arranged on the second side plate.
Furthermore, the first output interface assembly further comprises a heat energy output interface, and the heat energy output interface is arranged on the second side plate and is electrically connected with the output end of the first voltage conversion module so as to output the first voltage signal.
Furthermore, the first output interface component also comprises an air conditioner interface and an air compressor interface; the air conditioner interface reaches the air compressor machine interface all sets up on the second curb plate, and the output of electricity connection first voltage conversion module respectively to export first voltage signal.
Further, the fuel cell converter also comprises a ventilation valve and a fixing piece; the vent valve is arranged on the first side plate, is communicated with the inside of the shell and is used for keeping the internal pressure of the fuel cell converter stable; the fixing member is provided on the cylinder for fixing the fuel cell converter to an external device.
Further, the voltage conversion module comprises a second voltage conversion module; the fuel cell converter further comprises a second output interface assembly disposed on the fourth side plate; the second voltage conversion module is respectively and electrically connected with the output end of the first voltage conversion module and the second output interface component so as to convert the second voltage signal output by the first voltage conversion module into a third voltage signal by voltage reduction and output the third voltage signal by the second output interface component.
Further, the second output interface assembly comprises a fan interface, a water pump interface and a hydrogen pump interface; the fan interface, the water pump interface and the hydrogen pump interface are all arranged on the fourth side plate and are respectively and electrically connected with the second voltage conversion module so as to output the third voltage signal.
Further, the fuel cell converter further comprises a condensing system; the condensing system comprises a condensing pipe and a liquid inlet pipe and a liquid outlet pipe which are respectively connected with two ends of the condensing pipe; the condensation pipe is arranged in the shell and surrounds the voltage conversion module; the liquid inlet pipe with the drain pipe all sets up on the first curb plate.
Further, the liquid inlet pipe comprises a first liquid inlet and a first flow dividing port, and the first liquid inlet and the first flow dividing port are both communicated with the condensing pipe; the liquid outlet pipe comprises a liquid outlet and a second shunt port, and the liquid outlet and the second shunt port are both communicated with the condensing pipe; cooling liquid enters from the first liquid inlet, passes through the condensing tube and then flows out of the liquid outlet so as to cool the voltage conversion module; the first shunt port and the second shunt port are used for being connected with external equipment so as to shunt cooling liquid and cool other external equipment.
The utility model also provides an electric automobile, which comprises a fuel cell, the fuel cell converter and an automobile body; the fuel cell and the fuel cell converter are both arranged in the vehicle body; the fuel cell is used for generating electric energy, and the input end of the fuel cell converter is electrically connected with the output end of the fuel cell and used for performing voltage stabilization output on the electric energy generated by the fuel cell so as to supply power for the vehicle body.
Therefore, the utility model discloses a fuel cell converter is through rationally arranging voltage conversion module, input interface, signal control interface, first output interface subassembly position for more external equipment can be connected simultaneously to the fuel cell converter, need not to use interface fuel cell converter, and the structure is compacter, and the volume is littleer.
Drawings
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a fuel cell converter according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fuel cell converter according to another embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a fuel cell converter according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a fuel cell converter according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an electric vehicle according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a fuel cell converter 100 according to an embodiment of the present invention is applied to output electric energy generated by a fuel cell in a voltage stabilizing manner, and includes a voltage conversion module 10, an input interface 30, a signal control interface 50, a first output interface assembly 70, and a housing 90. The input interface 30 is embedded in the housing 90, and is used for connecting an output terminal (i.e., a stack copper bar) (not shown) of the fuel cell, and receiving the electric energy generated by the fuel cell, i.e., receiving the first voltage signal. The signal control interface 50 is disposed on the housing 90 and electrically connected to the voltage conversion module 10 for receiving a control signal. The voltage conversion module 10 is disposed in the casing 90, and is configured to perform voltage boosting or voltage dropping processing on an input voltage and then output the voltage. The voltage conversion module 10 includes a first voltage conversion module 11, and the first voltage conversion module 11 is electrically connected to the input interface 30 and the signal control interface 50 respectively, so as to convert the first voltage signal into a second voltage signal by boosting under the control of the control signal. The first output interface assembly 70 includes a thermal energy output interface 71, an air conditioner interface 73, an air compressor interface 75 and a main output interface 77. The heat energy output interface 71, the air conditioner interface 73, the air compressor interface 75 and the main output interface 77 are all disposed on the casing 90, and are electrically connected to the output end of the first voltage conversion module 11, so as to output the second voltage signal. In particular, the thermal energy output interface 71 is used to connect the fuel cell to heat it during a cold start of the fuel cell. The air conditioner interface 73 is used for connecting an external air conditioner to supply power thereto. The air compressor interface 75 is used to connect an external air compressor and supply power thereto. The main output interface 77 is used for supplying power to the whole vehicle.
The fuel cell converter 100 of the present invention can be used for high power output regulated output. In particular, it can be used for carrying out outputs of power of 30KW to 150KW, for example 30KW, 50KW, 60KW, 90KW, 120KW, etc.
Specifically, the fuel cell converter 100 of the present invention may be a DCDC fuel cell converter, and the first voltage conversion module 11 may be a DCDC boost module, i.e. the low voltage to be input is converted into the high voltage, that is, the voltage of the second voltage signal is higher than the voltage of the first voltage signal. In one embodiment, the first output interface element 70 can output voltages above 700V.
The utility model discloses a fuel cell converter 100 is through rationally arranging voltage conversion module 10, input interface 30, signal control interface 50, first output interface subassembly 70 position for more external equipment can be connected simultaneously to fuel cell converter 100, need not to use interface fuel cell converter, and the structure is compacter, and the volume is littleer.
In some embodiments, the housing 90 includes a first bottom plate 92 and a second bottom plate 93, which are open at opposite ends and are respectively disposed at two ends of the cylinder 91, the first bottom plate 92 and the second bottom plate 93 enclose a closed accommodating cavity (not shown), and the voltage conversion module 10 is located in the closed accommodating cavity. The cylinder 91 comprises a first side plate 911, a second side plate 912, a third side plate 913 and a fourth side plate 914 which are sequentially connected end to end.
Referring to fig. 1 and 4, in an embodiment, the input interface 30 is embedded in the housing 90 at a position corresponding to the first side plate 911, and more specifically, the first side plate 911 includes a plate 901, a cover 903, and a sealing ring 905. A first through hole 902 is formed in the board body 901, the input interface 30 is located in the first through hole 902, and the cover 903 is detachably mounted on the board body 321 to close the first through hole 902; the sealing ring 905 is disposed at the joint between the cover 903 and the board 901 to better perform the functions of dust-proof and water-proof. The second bottom plate 93 is provided with a second through hole 931 penetrating through the first through hole 902, and the second through hole 931 is used for inserting a stack copper bar of the fuel cell, so that the stack copper bar is conveniently electrically connected with the input interface 30. The signal control interface 50 is arranged on the fourth side plate 914; the thermal energy output interface 71, the air conditioner interface 73, the air compressor interface 75 and the main output interface 77 are all disposed on the second side plate 912.
Referring to fig. 2 and 3, in some embodiments, the voltage conversion module 10 further includes a second voltage conversion module 13; the fuel cell converter 100 also includes a second output interface assembly 20, the second output interface assembly 20 being disposed on the housing 90. The second voltage conversion module 13 is electrically connected to the output end of the first voltage conversion module 11 and the second output interface component 20, respectively, so as to step down the second voltage signal output by the first voltage conversion module 11 and convert the second voltage signal into a third voltage signal, and output the third voltage signal through the second output interface component 20. In some embodiments, the second voltage conversion module 13 may be a DCDC voltage reduction module, that is, a DCDC voltage reduction module that converts the second voltage signal into a third voltage signal and outputs the third voltage signal to the second output interface component 20 for output. In one embodiment, the second output interface assembly 20 can output a low voltage of 24V, and in other embodiments, the second output interface assembly 20 can output a low voltage of other values, which is not limited in the present invention. In addition, the second output interface assembly 20 can also be used as a backup interface, increasing the application scenarios of the fuel cell converter 100.
In some embodiments, the second output interface assembly 20 includes a fan interface 21. The fan interface 21 is disposed on the fourth side plate 914, and is electrically connected to the output end of the second voltage conversion module 13, for connecting a fan to perform air cooling and heat dissipation on the whole fuel cell.
In some embodiments, the second output interface assembly 20 further includes a water pump interface 23. The water pump interface 23 is disposed on the fourth side plate 914, and is electrically connected to the output end of the second voltage conversion module 13 for connecting a water pump to supply power to the water pump.
In some embodiments, the second output interface assembly 20 further includes a hydrogen pump interface 25. The hydrogen pump interface 25 is disposed on the fourth side plate 914 and electrically connected to the output end of the second voltage conversion module 13 for connecting the hydrogen pump to supply power to the hydrogen pump.
Referring to fig. 2, in some embodiments, the fuel cell converter 100 further includes a vent valve 101, and the vent valve 101 is disposed on the third side plate 913 and communicates with the inside of the housing 90 for maintaining the pressure inside the fuel cell converter 100 stable.
Referring to fig. 1, in some embodiments, the fuel cell converter 100 further includes a fixing member 103. The fixing member 103 is provided around the cylinder 91 for fixing the fuel cell converter 100 to an external device. Specifically, the number of the fixing members 103 is 3, 4, or 5. Further, the fixing member 103 is provided with a third through hole 105, and the third through hole 105 is used for a screw to pass through to fix the fixing member.
Referring to fig. 1, the fuel cell converter 100 further includes a condensing system (not shown). A condensing system is disposed within the housing 90 for cooling the voltage conversion module 10 to increase the service life and safety of the fuel cell converter 100. Specifically, the condensing system includes a condensing tube (not shown), and a liquid inlet pipe 41 and a liquid outlet pipe 43 respectively connected to two ends of the condensing tube. The condensation duct is disposed within the housing 90 and surrounds the voltage conversion module 10 to better cool the voltage conversion module 10. The liquid inlet pipe 41 and the liquid outlet pipe 43 are both arranged on the first side plate 911.
In one embodiment, the liquid inlet pipe 41 includes a first liquid inlet 411 and a first split port 413, and the first liquid inlet 411 and the first split port 413 are both communicated with the condensation pipe. The liquid outlet pipe 43 comprises a liquid outlet 431 and a second branch port 433, and both the liquid outlet 431 and the second branch port 433 are communicated with the condensation pipe. The cooling liquid enters from the first liquid inlet 411, passes through the condensation tube, and then flows out from the liquid outlet 431 to cool the voltage conversion module 10. The first and second branch ports 413 and 433 are used for connecting external devices to branch the coolant to cool other external devices.
Referring to fig. 4, the present invention further provides an electric vehicle 200, which includes a fuel cell 210, a fuel cell converter 100 according to an embodiment of the present invention, and a vehicle body 230. The fuel cell 210 and the fuel cell converter 100 are both disposed in the vehicle body 230. The fuel cell 210 is used for generating electric energy, and an input end of the fuel cell converter 100 is electrically connected with an output end of the fuel cell, and is used for performing voltage-stabilized output on the electric energy generated by the fuel cell to supply power to the vehicle body 230.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A fuel cell converter is used for outputting the electric energy generated by a fuel cell in a voltage stabilizing way, and is characterized by comprising a shell, an input interface, a signal control interface, a voltage conversion module and a first output interface component; the input interface is embedded into the shell and used for receiving a first voltage signal, the signal control interface is arranged on the shell and used for receiving a control signal, the voltage conversion module is arranged in the shell and comprises a first voltage conversion module, the first voltage conversion module is respectively electrically connected with the input interface and the signal control interface so as to enable the first voltage signal to be boosted and converted into a second voltage signal under the control of the control signal, the first output interface assembly comprises a main output interface, the main output interface is arranged on the shell and electrically connected with the output end of the first voltage conversion module, and the second voltage signal is output to supply power for the whole vehicle.
2. The fuel cell converter according to claim 1, wherein the housing includes a cylindrical body open at opposite ends, a first bottom plate and a second bottom plate respectively disposed at the opposite ends of the cylindrical body; the cylinder body comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are sequentially connected end to end; the first side plate comprises a plate body, a cover body and a sealing ring, wherein a first through hole is formed in the plate body, the input interface is located in the first through hole, and the cover body is detachably mounted on the plate body to seal the first through hole; the sealing ring is arranged at the joint of the cover body and the plate body; a second through hole which is communicated with the first through hole is formed in the second base plate, the second through hole is used for inserting a galvanic pile copper bar of the fuel cell, and the galvanic pile copper bar is electrically connected with the input interface; the signal control interface is arranged on the fourth side plate; the main output interface is arranged on the second side plate.
3. The fuel cell converter of claim 2, wherein the first output interface assembly further comprises a thermal energy output interface disposed on the second side plate and electrically connected to the output of the first voltage conversion module to output the first voltage signal.
4. The fuel cell converter of claim 2, wherein the first output interface assembly further comprises an air conditioner interface and an air compressor interface; the air conditioner interface reaches the air compressor machine interface all sets up on the second curb plate, and the output of electricity connection first voltage conversion module respectively to export first voltage signal.
5. The fuel cell converter of claim 2, further comprising a vent valve and a fixture; the vent valve is arranged on the first side plate, is communicated with the inside of the shell and is used for keeping the internal pressure of the fuel cell converter stable; the fixing member is provided on the cylinder for fixing the fuel cell converter to an external device.
6. The fuel cell converter of claim 2, wherein the voltage conversion module comprises a second voltage conversion module; the fuel cell converter further comprises a second output interface assembly disposed on the fourth side plate; the second voltage conversion module is respectively and electrically connected with the output end of the first voltage conversion module and the second output interface component so as to convert the second voltage signal output by the first voltage conversion module into a third voltage signal by voltage reduction and output the third voltage signal by the second output interface component.
7. The fuel cell converter of claim 6, wherein the second output interface assembly comprises a fan interface, a water pump interface, and a hydrogen pump interface; the fan interface, the water pump interface and the hydrogen pump interface are all arranged on the fourth side plate and are respectively and electrically connected with the second voltage conversion module so as to output the third voltage signal.
8. The fuel cell converter of claim 2, further comprising a condensing system; the condensing system comprises a condensing pipe and a liquid inlet pipe and a liquid outlet pipe which are respectively connected with two ends of the condensing pipe; the condensation pipe is arranged in the shell and surrounds the voltage conversion module; the liquid inlet pipe with the drain pipe all sets up on the first curb plate.
9. The fuel cell converter of claim 8, wherein the inlet tube includes a first inlet port and a first split port, both of which communicate with a condenser tube; the liquid outlet pipe comprises a liquid outlet and a second shunt port, and the liquid outlet and the second shunt port are both communicated with the condensing pipe; cooling liquid enters from the first liquid inlet, passes through the condensing tube and then flows out of the liquid outlet so as to cool the voltage conversion module; the first shunt port and the second shunt port are used for being connected with external equipment so as to shunt cooling liquid and cool other external equipment.
10. An electric vehicle comprising a fuel cell, a fuel cell converter according to any one of claims 1 to 9, and a vehicle body; the fuel cell and the fuel cell converter are both arranged in the vehicle body; the fuel cell is used for generating electric energy, and the input end of the fuel cell converter is electrically connected with the output end of the fuel cell and used for performing voltage stabilization output on the electric energy generated by the fuel cell so as to supply power for the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701988.1U CN212811548U (en) | 2020-08-14 | 2020-08-14 | Fuel cell converter and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701988.1U CN212811548U (en) | 2020-08-14 | 2020-08-14 | Fuel cell converter and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212811548U true CN212811548U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021701988.1U Active CN212811548U (en) | 2020-08-14 | 2020-08-14 | Fuel cell converter and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212811548U (en) |
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2020
- 2020-08-14 CN CN202021701988.1U patent/CN212811548U/en active Active
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