CN217214787U - Heating device for hydrogen fuel cell hydrogen combination valve - Google Patents
Heating device for hydrogen fuel cell hydrogen combination valve Download PDFInfo
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- CN217214787U CN217214787U CN202220106914.6U CN202220106914U CN217214787U CN 217214787 U CN217214787 U CN 217214787U CN 202220106914 U CN202220106914 U CN 202220106914U CN 217214787 U CN217214787 U CN 217214787U
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- hydrogen
- combination valve
- cover plate
- heating device
- fuel cell
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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 relates to a fuel cell technical field discloses a heating device of hydrogen fuel cell hydrogen combination valve spare, include: the shell is detachably arranged on the outer surface of the hydrogen combination valve piece; a PTC heater chip disposed within the housing; the cover plate is fixedly covered with the cover plate in a sealing mode on the shell, the cover plate and the shell form a sealing space, and a mounting hole for the cable of the PTC heating sheet to penetrate out in a sealing mode is formed in the cover plate. The utility model discloses an be independent of whole encapsulation heating module outside hydrogen combination valve spare, through the surface of casing with heating device integral erection at hydrogen combination valve spare, utilize the PTC heating plate in the casing to heat, can solve the frozen problem of liquid water in the hydrogen combination valve spare effectively, both need not to utilize the heating coil heat production in the hydrogen combination valve spare, also need not to discharge inert gas before the cold start of low temperature to shorten the cold start-up time of low temperature.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a heating device of hydrogen fuel cell hydrogen combination valve spare.
Background
Hydrogen combining valve parts are used in a hydrogen system of a fuel cell engine to control the flow rate and pressure of hydrogen entering the engine system, and the rated power and peak power of the engine are ensured. According to the characteristics of the proton exchange membrane fuel cell engine, hydrogen drying cannot be avoided, so that part of liquid water can be accumulated inside a hydrogen combination valve of a hydrogen system, and when the engine is subjected to low-temperature cold start after being stopped for a period of time, the liquid water inside the hydrogen combination valve of the hydrogen system is frozen, so that the internal resistance of the hydrogen combination valve of the hydrogen system is increased, the pressure at the rear end of the hydrogen combination valve is unstable, and the efficiency of the system is reduced. At present, the heat generated by a coil is increased by enlarging the coil inside a hydrogen combination valve of a hydrogen system, and the heat generated by the coil is utilized to break ice; or the liquid water is discharged after the hydrogen combination valve is blown and blown by inert gas after the engine is shut down, so that the problem of icing of the liquid water in the hydrogen combination valve of the hydrogen system is solved. However, because the coil in the hydrogen combination valve of the hydrogen system has less heat productivity, the frozen liquid water is heated by using the heat productivity of the coil, and a long time is required, so that the low-temperature cold start time is long; however, the blowing purge method needs to discharge the inert gas in the anode path by using hydrogen before the engine is cold started at low temperature, which also results in long time for cold start at low temperature.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention is to provide a heating device for hydrogen combination valve of hydrogen fuel cell to solve the problem of long cold start time at low temperature caused by heating frozen liquid water by the heat generated by the coil or discharging liquid water by blowing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
heating device of hydrogen fuel cell hydrogen combination valve spare, include:
the shell is detachably arranged on the outer surface of the hydrogen combination valve piece;
a PTC heater chip disposed within the housing;
the cover plate is fixedly covered with the cover plate in a sealing mode on the shell, the cover plate and the shell form a sealing space, and a mounting hole for the cable of the PTC heating sheet to penetrate out in a sealing mode is formed in the cover plate.
Preferably, the side wall of the housing is provided with bolt holes, and the housing is connected with the outer surface of the hydrogen combination valve through bolts.
Preferably, a sealing groove is formed in the upper end face of the shell along the circumferential direction, and a sealing strip is filled in the sealing groove.
Preferably, a temperature sensor is integrated in the PTC heating sheet.
Preferably, the heating device further comprises a gland head mounted in the mounting hole, the cable of the PTC heating strip passing sealingly through the gland head.
Preferably, the upper end surface of the shell is provided with a threaded hole, and the cover plate is connected with the shell through a screw.
Preferably, the cover plate is provided with a through hole corresponding to the threaded hole, and a countersunk screw is installed in the through hole.
Preferably, the cross-section of the housing is square, the cover plate is square, and the PTC heating sheet is square.
The embodiment of the utility model provides a heating device of hydrogen fuel cell hydrogen combination valve spare compares with prior art, and its beneficial effect lies in:
the utility model discloses hydrogen fuel cell hydrogen combination valve's heating device, which comprises a housin, PTC heating plate and apron, arrange the PTC heating plate in the sealed space that apron and casing formed, through the surface of casing with heating device integral erection at hydrogen combination valve, utilize the PTC heating plate in the casing to heat hydrogen combination valve, can solve the frozen problem of liquid water in the hydrogen combination valve effectively, heating coil heat production in both having need not to utilize hydrogen combination valve, also need not to discharge inert gas before low temperature cold start, thereby shorten low temperature cold start time. In addition, the heating device is an integrally packaged heating module independent of the hydrogen combination valve, so that the size of the heating device and the heating power of the PTC heating sheet in the heating device can be conveniently adjusted according to the sizes of different hydrogen combination valve pieces and the cold start requirement of a hydrogen system, the adaptability of the heating device is stronger, and the application range is wider.
Drawings
Fig. 1 is an exploded schematic view of a heating device of a hydrogen combination valve member of a hydrogen fuel cell according to an embodiment of the present invention;
in the figure, 1, a housing; 11. an upper end surface; 12. bolt holes; 13. a threaded hole; 2. a PTC heating sheet; 3. a cover plate; 31. mounting holes; 32. a through hole; 33. countersunk head screws; 4. a sealing groove; 5. a sealing strip; 6. a glan head.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the heating device for a hydrogen combination valve of a hydrogen fuel cell according to a preferred embodiment of the present invention includes a housing 1, a PTC heating plate 2 and a cover plate 3, wherein the cover plate 3 is hermetically covered and fixed on the housing 1, the cover plate 3 and the housing 1 form a sealed space, and the cover plate 3 is provided with a mounting hole 31 for a cable of the PTC heating plate 2 to pass through in a sealed manner; the PTC heating sheet 2 is arranged in the shell 1 and is positioned in a sealed space formed by the cover plate 3 and the shell 1, and a cable of the PTC heating sheet 2 penetrates out of a mounting hole 31 in the cover plate 3 in a sealed mode to be connected with a power supply; the shell 1 is detachably arranged on the outer surface of the hydrogen combination valve, so that the heating device is integrally arranged on the outer surface of the hydrogen combination valve, and the PTC heating sheet 2 in the heating device is used for heating the surface of the hydrogen combination valve, thereby solving the problem that liquid water in the hydrogen combination valve is frozen. The heating coil in the hydrogen combination valve is not needed to generate heat, and the inert gas is not needed to be discharged before the low-temperature cold start, so that the low-temperature cold start time is shortened.
And, because this heating device is a heating module that is independent of the whole encapsulation outside the hydrogen combination valve member, convenient size and the heating power of PTC heating plate 2 in the heating device of PTC heating plate in the heating device of adjusting heating device according to the size of different hydrogen combination valve members and hydrogen system's cold start demand for this heating device's suitability is stronger, and application scope is wider. And, heat hydrogen combination valve spare through external heating device, compare in the position of raising combination valve spare when arranging as far as possible for the liquid water that produces is gathered under the action of gravitational potential energy in other spare parts that have the ability of opening ice, the utility model discloses can reduce the demand of opening ice to other spare parts.
In this embodiment, the integrated temperature sensor that is provided with in PTC heating plate 2 can detect heating temperature through temperature sensor, avoids appearing overheated condition and leads to hydrogen combination valve spare to damage, is convenient for control heating temperature.
In this embodiment, the side wall of the casing 1 is provided with a bolt hole 12, and the casing 1 is connected with the outer surface of the hydrogen combination valve by a bolt, so that the hydrogen combination valve is convenient to detach. The central axis of the bolt hole 12 is arranged perpendicular to the central axis of the housing 1. The bolt holes 12 are provided in plural, and the plural bolt holes 12 may be arranged at intervals in the circumferential direction of the casing 1 so as to adjust the mounting position of the casing 1 as required.
In this embodiment, a sealing groove 4 is circumferentially formed in an upper end surface 11 of the housing 1, a sealing strip 5 is filled in the sealing groove 4, and when the cover plate 3 is covered on the housing 1, the cover plate 3 and the housing 1 are sealed and covered by the sealing strip 5.
Further, the cross section of the shell 1 is square, the cover plate 3 is square, and the PTC heating plate 2 is square. Correspondingly, the sealing groove 4 is a square groove and the sealing strip 5 is square. The height of the PTC heating plate 2 is slightly smaller than that of the shell 1, so that the PTC heating plate 2 is prevented from shaking in a sealed space.
In this embodiment, a threaded hole 13 is formed in the upper end surface 11 of the housing 1, and the cover plate 3 is in screw connection with the housing 1, so that the cover plate 3 and the housing 1 can be conveniently detached and installed. Furthermore, a through hole 32 corresponding to the threaded hole 13 is formed in the cover plate 3, and a countersunk screw 33 is installed in the through hole 32. The cover plate 3 and the housing 1 are connected by the countersunk screws 33 such that the upper surfaces of the countersunk screws 33 are flush with the upper surface of the cover plate 3, or the upper surfaces of the countersunk screws 33 are lower than the upper surface of the cover plate 3. The countersunk head screws 33 may be provided in plural, and the plural countersunk head screws 33 are arranged at intervals in the circumferential direction of the cover plate 3, and accordingly, the screw holes 13 and the through holes 32 are provided in plural, respectively. When the cover plate 3 is square, the plurality of countersunk head screws 33 are respectively arranged at intervals in the length direction of each side of the square cover plate 3. In this embodiment, a countersunk screw 33 is provided in the middle of each side. Two countersunk screws 33 are arranged at the corner positions of the square cover plate 3, so that the connection between the cover plate 3 at the corner and the shell 1 can be reinforced, and the cover plate 3 is prevented from upwarping.
In this embodiment, the heating device further includes a glan head 6, the glan head 6 is installed in the installation hole 31, and the cable of the PTC heating sheet 2 passes through the glan head 6 in a sealing manner. The gram head 6 and 3 threaded connection of apron, the cable of gram head 6 can be sealed and fasten PTC heating plate 2, avoids the cable to appear sliding. Furthermore, the glan head 6 and the sealing strip 5 can improve the sealing performance of the whole heating device and meet the protection level of IP 67.
The utility model discloses an installation manufacture process does:
firstly, the PTC heating sheet 2 is placed in the shell 1, then the sealing strip 5 is placed in the sealing groove 4 of the shell 1, and after the cover plate 3 is covered, the wire harness of the PTC heating sheet 2 penetrates through the Glan head 6. After the glan head 6 is locked, the cover plate 3 is fixed to the housing 1 by the countersunk head screws 33, thereby completing the installation of the heating apparatus. When the heating device is used, the heating device is integrally installed on the outer surface of the hydrogen combination valve by using the bolt holes 12 on the side wall of the shell 1, so that the heating device is tightly attached to the surface of the hydrogen combination valve, and heat generated by the PTC heating sheet 2 is finally discharged through the drain valve after ice in the hydrogen combination valve is melted by heat conduction.
It should be noted that, the utility model discloses in, PTC heating plate 2's heating power can be adjusted according to demand power to hydrogen combination valve member size and the system cold start demand regulation and control heat time according to the difference.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A heating device for a hydrogen combination valve of a hydrogen fuel cell, comprising:
the shell is detachably arranged on the outer surface of the hydrogen combination valve piece;
a PTC heater chip disposed within the housing;
the cover plate is fixedly covered with the cover plate in a sealing mode on the shell, the cover plate and the shell form a sealing space, and a mounting hole for the cable of the PTC heating sheet to penetrate out in a sealing mode is formed in the cover plate.
2. The heating device for a hydrogen combination valve member of a hydrogen fuel cell according to claim 1, wherein bolt holes are provided in a side wall of the housing, and the housing is bolted to an outer surface of the hydrogen combination valve member.
3. The heating device for the hydrogen combination valve of the hydrogen fuel cell as claimed in claim 1, wherein a sealing groove is formed in the upper end surface of the housing along the circumferential direction, and a sealing strip is filled in the sealing groove.
4. The heating device for the hydrogen combination valve member of the hydrogen fuel cell as claimed in claim 1, wherein a temperature sensor is integrated in the PTC heating sheet.
5. A heating device for a hydrogen combination valve member of a hydrogen fuel cell as claimed in claim 1, wherein the heating device further comprises a glan head, the glan head is installed in the installation hole, and a cable of the PTC heating sheet is sealed and passed through the glan head.
6. The heating device for the hydrogen combination valve member of the hydrogen fuel cell as claimed in claim 1, wherein the housing has a threaded hole at the upper end surface, and the cover plate is screwed to the housing.
7. The heating device for the hydrogen combination valve member of the hydrogen fuel cell as claimed in claim 6, wherein the cover plate is provided with a through hole corresponding to the threaded hole, and a countersunk head screw is mounted in the through hole.
8. The heating device for a hydrogen combination valve member of a hydrogen fuel cell as claimed in claim 1, wherein the cross section of the housing is square, the cover plate is square, and the PTC heating plate is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220106914.6U CN217214787U (en) | 2022-01-14 | 2022-01-14 | Heating device for hydrogen fuel cell hydrogen combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220106914.6U CN217214787U (en) | 2022-01-14 | 2022-01-14 | Heating device for hydrogen fuel cell hydrogen combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214787U true CN217214787U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220106914.6U Active CN217214787U (en) | 2022-01-14 | 2022-01-14 | Heating device for hydrogen fuel cell hydrogen combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214787U (en) |
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2022
- 2022-01-14 CN CN202220106914.6U patent/CN217214787U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 8, Hydrogen Energy Avenue, Foshan (Yunfu) Industrial Transfer Industrial Park, Silao Town, Yuncheng District, Yunfu City, Guangdong Province, 527300 Patentee after: Guangdong Guohong Hydrogen Energy Technology Co.,Ltd. Address before: No.9, Nanyuan District, Foshan (Yunfu) industrial transfer industrial park, Silao Town, Yuncheng district, Yunfu City, Guangdong Province Patentee before: GUANGDONG SINOSYNERGY HYDROGEN POWER TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 314000 Room 501-2, Building 37, Hangzhou Bay New Economic Park, Port District, Jiaxing City, Zhejiang Province Patentee after: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. Address before: No. 8, Hydrogen Energy Avenue, Foshan (Yunfu) Industrial Transfer Industrial Park, Silao Town, Yuncheng District, Yunfu City, Guangdong Province, 527300 Patentee before: Guangdong Guohong Hydrogen Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: Room 01, 15th Floor, Building 6, Yard A2, West Third Ring North Road, Haidian District, Beijing, 100000 Patentee after: BEIJING GUOHONG HYDROGEN ENERGY TECHNOLOGY Co.,Ltd. Patentee after: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. Address before: 314000 Room 501-2, Building 37, Hangzhou Bay New Economic Park, Port District, Jiaxing City, Zhejiang Province Patentee before: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. |