CN217359969U - Fuel cell stack voltage inspection device - Google Patents
Fuel cell stack voltage inspection device Download PDFInfo
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- CN217359969U CN217359969U CN202123398403.0U CN202123398403U CN217359969U CN 217359969 U CN217359969 U CN 217359969U CN 202123398403 U CN202123398403 U CN 202123398403U CN 217359969 U CN217359969 U CN 217359969U
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- guide sleeve
- fuel cell
- inspection device
- circuit board
- cell stack
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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 fuel cell stack voltage inspection device, include: the two clamping blocks are respectively fixed with the left end and the right end of the opposite clamping mechanism, a circuit board is arranged between the two clamping blocks and fixed on the outer surface of the opposite clamping mechanism, a row of elastic pre-forming needles which are aligned left and right and an acquisition socket are welded on the circuit board, and each pin of the acquisition socket is respectively communicated with each elastic pre-forming needle one by one through a circuit in the circuit board. The fuel cell stack voltage inspection device is simple to operate, convenient to disassemble and assemble, safe and reliable, independent of a stack, free of influence and convenient to inspect and maintain, the connection mode of the elastic preformed needle and the bipolar plate belongs to a pre-tightening contact mode, welding is not needed, the elastic preformed needle can be flexibly installed and used, and the use efficiency is greatly improved; meanwhile, the circuit board is adopted to integrate the acquisition and processing, so that a large number of wire harnesses are prevented from occupying space, and the overall compactness is improved.
Description
Technical Field
The utility model relates to a fuel cell field, concretely relates to fuel cell stack voltage inspection device.
Background
During the normal use of the proton exchange membrane fuel cell, the performance of the proton exchange membrane fuel cell is related to factors such as poor operating conditions of over-dry, over-wet and under-air of an air inlet state, mechanical damage and the like, and further the single voltage of the fuel cell is influenced to change. Therefore, it is necessary to collect the single voltage signal of the fuel cell and send it to the fuel cell system controller, and by checking the single voltage signal, determine the operating state of the fuel cell and perform corresponding control operation. The voltage inspection is that the inspection acquisition line is connected with the single battery on the fuel cell stack to realize the acquisition of voltage, and then the voltage is transmitted to the control center through the circuit signal processing.
The conventional voltage inspection of the fuel cell stack of the graphite bipolar plate generally inserts an inspection lead into a hole arranged on the bipolar plate to realize connection; or welding a small metal foil material between the graphite plate and the bipolar plate in advance, and fixing the inspection lead in a mode of welding with the metal foil; and then the inspection lead and the polar plate are fixed together by gluing. Especially, the inspection lead is directly adhered on the bipolar plate during short stack test, so that the operation is very inconvenient. Because the requirement of the current industry on the volume power density of the stack is higher and higher, and the bipolar plates are thinner and thinner, the distance between the bipolar plates is very small, so the operation of the fuel cell stack voltage routing inspection in the above mode is very inconvenient, short circuit between the bipolar plates is easily caused, and the fuel cell is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the fuel cell stack voltage inspection device is simple to operate, convenient to disassemble and assemble, safe and reliable.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: fuel cell galvanic pile voltage inspection device, its characterized in that: the method comprises the following steps: the two clamping blocks are respectively fixed with the left end and the right end of the opposite clamping mechanism, a circuit board is arranged between the two clamping blocks and fixed on the outer surface of the opposite clamping mechanism, a row of elastic pre-forming needles which are aligned left and right and an acquisition socket are welded on the circuit board, and each pin of the acquisition socket is respectively communicated with each elastic pre-forming needle one by one through a circuit in the circuit board.
Further, aforementioned fuel cell stack voltage inspection device, wherein: the structure of butt clamp mechanism includes: the circuit board is fixed on the outer side wall of the guide sleeve, the top end of the guide rod is inserted into the guide sleeve from the top end of the guide sleeve, the guide rod is guided by the guide sleeve, the tail end of the guide rod is located on the outer side of the guide sleeve, the two clamping blocks are respectively fixed with the tail end of the guide sleeve and the tail end of the guide rod, a tension spring located between the guide sleeve and the guide rod is arranged in the guide sleeve, one end of the tension spring is fixed with the tail end of the guide sleeve, and the other end of the tension spring is fixed with the top end of the guide rod.
Further, aforementioned voltage inspection device for fuel cell stack, wherein: the fixed knot between extension spring tip and the guide pin bushing tail end constructs and does: the tail end of the guide sleeve is provided with a first locking hole, the end part of the tension spring is inserted into the first locking hole, and the tail end of the guide sleeve is further in threaded connection with a first screw which can be screwed into the first locking hole from the side surface to lock the end part of the tension spring.
Further, aforementioned voltage inspection device for fuel cell stack, wherein: the fixed knot between extension spring tip and the guide arm top constructs and is: the top end of the guide rod is provided with a second locking hole, the end part of the tension spring is inserted into the second locking hole, and the top end of the guide rod is further in threaded connection with a second screw capable of being screwed into the second locking hole from the side to lock the end part of the tension spring.
Further, aforementioned voltage inspection device for fuel cell stack, wherein: the side wall of the guide sleeve is provided with a plurality of screwing holes arranged along the guide sleeve.
Further, aforementioned voltage inspection device for fuel cell stack, wherein: the two clamping blocks are perpendicular to the guide sleeve and the guide rod.
Further, aforementioned voltage inspection device for fuel cell stack, wherein: and a rubber sheet is fixed on the inner opposite clamping surfaces of the two clamping blocks.
Further, aforementioned fuel cell stack voltage inspection device, wherein: the left side and the right side of the circuit board are provided with strip-shaped holes in left and right directions, and the circuit board is locked on the opposite clamping mechanism through bolts penetrating through the strip-shaped holes.
The utility model has the advantages that: the fuel cell stack voltage inspection device is simple to operate, convenient to disassemble and assemble, safe and reliable, independent of the stack, free of influence and convenient to inspect and maintain, the connection mode of the elastic preformed needle and the bipolar plate belongs to a pre-tightening contact mode, welding is not needed, the elastic preformed needle and the bipolar plate can be flexibly installed and used, and the use efficiency is greatly improved; meanwhile, the circuit board is adopted to integrate acquisition and processing, so that a large number of wire harnesses are prevented from occupying space, and the overall compactness is improved.
Drawings
Fig. 1 is a schematic structural diagram of a fuel cell stack voltage inspection device according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1, the fuel cell stack voltage inspection apparatus includes: the two clamping blocks 1 and the opposite clamping mechanism 2 capable of enabling the two clamping blocks 1 to be elastically and oppositely clamped are arranged, the two clamping blocks 1 are respectively fixed with the left end and the right end of the opposite clamping mechanism 2, a circuit board 3 is arranged between the two clamping blocks 1, the circuit board 3 is fixed on the outer surface of the opposite clamping mechanism 2, a row of elastic pre-forming needles 31 which are aligned left and right and a row of collecting sockets 4 are welded on the circuit board 3, and each pin of the collecting sockets 4 is respectively communicated with each elastic pre-forming needle 31 one by one through a circuit in the circuit board 3.
The elastic preforming needle 31 is made of spring steel with enough elasticity, so that the elastic preforming needle 31 has enough pretightening force, in order to ensure that the elastic preforming needle 31 can be tightly attached to the side face of a bipolar plate of a stack, poor contact can be avoided, and compared with an inspection lead, the elastic preforming needle 31 can be more conveniently connected with the side face of the bipolar plate.
In the present embodiment, the structure of the facing-clamping mechanism 2 includes: the circuit board 3 is fixed on the outer side wall of the guide sleeve 21, the top end of the guide rod 22 is inserted into the guide sleeve 21 from the top end of the guide sleeve 21, the guide rod 22 is guided by the guide sleeve 21, the tail end of the guide rod 22 is located on the outer side of the guide sleeve 21, the two clamping blocks 1 are respectively fixed with the tail end of the guide sleeve 21 and the tail end of the guide rod 22, a tension spring 23 located between the guide sleeve 21 and the guide rod 22 is arranged in the guide sleeve 21, one end of the tension spring 23 is fixed with the tail end of the guide sleeve 21, and the other end of the tension spring 23 is fixed with the top end of the guide rod 22. Two clamp splice 1 that are opened open about by can be controlled to the clamp under the effect of extension spring 23 on the end plate of fuel cell pile left and right sides, this structure can guarantee that inspection device can quick assembly disassembly and adjustment counterpoint.
The fixed knot between 23 tip of extension spring and guide pin bushing 21 tail end constructs for: the tail end of the guide sleeve 21 is provided with a first locking hole, the end part of the tension spring 23 is inserted into the first locking hole, and the tail end of the guide sleeve 21 is further in threaded connection with a first screw capable of being screwed into the first locking hole from the side to lock the end part of the tension spring 23.
The fixed knot between extension spring 23 tip and the guide arm 22 top constructs to be: a second locking hole is formed in the top end of the guide rod 22, the end portion of the tension spring 23 is inserted into the second locking hole, and a second screw capable of being screwed into the second locking hole from the side to lock the end portion of the tension spring 23 is further in threaded connection with the top end of the guide rod 22.
The side wall of the guide sleeve 21 is provided with a plurality of screwing holes 6 arranged along the guide sleeve 21, and a second screw can be conveniently screwed through a screwdriver through the screwing holes 6, so that the guide rod 22, the guide sleeve 21 and the tension spring 23 can be conveniently disassembled.
The two clamping blocks 1 are perpendicular to the guide sleeve 21 and the guide rod 22, so that better clamping can be realized.
In order to increase the friction force, a rubber sheet 7 is fixed on the inner opposite clamping surfaces of the two clamping blocks 1.
All set up the rectangular shape hole 8 of moving towards about on the left and right sides of circuit board 3, circuit board 3 is fixed in on butt clamp mechanism 2 through the bolt lock that passes long rectangular shape hole 8. This is provided for the purpose of facilitating the adjustment of the left-right position of the circuit board 3 so as to finely adjust the left-right position of the contact position of the elastic preforming pins 31 with the bipolar plate.
When the voltage inspection device works, the voltage inspection device can be arranged above a galvanic pile through the left and right end plates of the two clamping blocks 1 on the voltage inspection device, so that a row of elastic preformed pins 31 on the circuit board 3 can be arranged downwards, then the voltage inspection device can be clung to the side surfaces of the corresponding bipolar plates through the elastic preformed pins 31 on the voltage inspection device to acquire the voltage of each bipolar plate, and the acquisition socket 4 is used for being butted with an external circuit, so that the acquired voltage of each bipolar plate can be processed and transmitted to a fuel cell control center.
Claims (8)
1. Fuel cell pile voltage inspection device, its characterized in that: the method comprises the following steps: the two clamping blocks are respectively fixed with the left end and the right end of the opposite clamping mechanism, a circuit board is arranged between the two clamping blocks and fixed on the outer surface of the opposite clamping mechanism, a row of elastic pre-forming needles which are aligned left and right and an acquisition socket are welded on the circuit board, and each pin of the acquisition socket is respectively communicated with each elastic pre-forming needle one by one through a circuit in the circuit board.
2. The fuel cell stack voltage inspection device according to claim 1, wherein: the structure of butt clamp mechanism includes: the circuit board is fixed on the outer side wall of the guide sleeve, the top end of the guide rod is inserted into the guide sleeve from the top end of the guide sleeve, the guide rod is guided by the guide sleeve, the tail end of the guide rod is located on the outer side of the guide sleeve, the two clamping blocks are respectively fixed with the tail end of the guide sleeve and the tail end of the guide rod, a tension spring located between the guide sleeve and the guide rod is arranged in the guide sleeve, one end of the tension spring is fixed with the tail end of the guide sleeve, and the other end of the tension spring is fixed with the top end of the guide rod.
3. The fuel cell stack voltage inspection device according to claim 2, wherein: the fixed knot between extension spring tip and the guide pin bushing tail end constructs and does: the tail end of the guide sleeve is provided with a first locking hole, the end part of the tension spring is inserted into the first locking hole, and the tail end of the guide sleeve is further in threaded connection with a first screw which can be screwed into the first locking hole from the side surface to lock the end part of the tension spring.
4. The fuel cell stack voltage inspection device according to claim 2, wherein: the fixed knot between extension spring tip and the guide arm top constructs and is: the top end of the guide rod is provided with a second locking hole, the end part of the tension spring is inserted into the second locking hole, and the top end of the guide rod is further in threaded connection with a second screw capable of being screwed into the second locking hole from the side to lock the end part of the tension spring.
5. The fuel cell stack voltage inspection device according to claim 4, wherein: the side wall of the guide sleeve is provided with a plurality of screwing holes arranged along the guide sleeve.
6. The fuel cell stack voltage inspection device according to claim 2, 3, 4, or 5, wherein: the two clamping blocks are perpendicular to the guide sleeve and the guide rod.
7. The fuel cell stack voltage inspection device according to claim 1, 2, 3, 4 or 5, wherein: and a rubber sheet is fixed on the inner opposite clamping surfaces of the two clamping blocks.
8. The fuel cell stack voltage inspection device according to claim 1, 2, 3, 4, or 5, wherein: the left side and the right side of the circuit board are provided with strip-shaped holes moving left and right, and the circuit board is locked on the butt-clamping mechanism through bolts penetrating through the strip-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398403.0U CN217359969U (en) | 2021-12-31 | 2021-12-31 | Fuel cell stack voltage inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398403.0U CN217359969U (en) | 2021-12-31 | 2021-12-31 | Fuel cell stack voltage inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217359969U true CN217359969U (en) | 2022-09-02 |
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ID=83041472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123398403.0U Active CN217359969U (en) | 2021-12-31 | 2021-12-31 | Fuel cell stack voltage inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217359969U (en) |
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2021
- 2021-12-31 CN CN202123398403.0U patent/CN217359969U/en active Active
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