CN217239758U - Conductive connecting device and fuel cell engine - Google Patents
Conductive connecting device and fuel cell engine Download PDFInfo
- Publication number
- CN217239758U CN217239758U CN202123388728.0U CN202123388728U CN217239758U CN 217239758 U CN217239758 U CN 217239758U CN 202123388728 U CN202123388728 U CN 202123388728U CN 217239758 U CN217239758 U CN 217239758U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- fuel cell
- plug
- connecting member
- copper bar
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model relates to a conductive connecting device and a fuel cell engine, wherein the conductive connecting device comprises a first connecting piece and a second connecting piece, wherein, the first end of the first connecting piece is used for being fixed on an end plate module of a fuel cell stack; the first end of the second connecting piece is used for connecting a copper bar system, and the second end of the second connecting piece can be matched and connected with the second end of the first connecting piece, so that the first connecting piece is in conductive communication with the second connecting piece, and relative displacement exists between the first connecting piece and the second connecting piece; there is the relative displacement volume between this electrically conductive connecting device's first connecting piece and the second connecting piece, and this relative displacement volume can offset the creep deformation and the removal of fuel cell stack, avoids the creep deformation and the removal of fuel cell stack to influence the copper bar system to promote the reliability and the stability of fuel cell engine, simplify fuel cell engine electricity and connect the design.
Description
Technical Field
The utility model relates to a fuel cell engine technical field, in particular to electrically conductive connecting device and fuel cell engine.
Background
During operation of the fuel cell engine, creep and movement of the fuel cell stack can occur. At present fuel cell pile and copper bar system lug connection, consequently can cause the removal and the deformation of copper bar system when creep deformation and removal take place for fuel cell pile, this causes very big influence to fuel cell pile's reliability and stability. Meanwhile, the movement and deformation of the copper bar system need to be considered when the engine is designed to be electrically connected, so that the complexity of the engine electrical connection design can be increased.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an electrically conductive connecting device to realize being connected between fuel cell stack and the copper bar system, avoid the creep deformation of fuel cell stack and remove and influence the copper bar system, promote the reliability and the stability of fuel cell engine, simplify the design of fuel cell engine electricity connection.
A second object of the present invention is to provide a fuel cell engine using the above conductive connecting device.
In order to achieve the above object, the utility model provides a following technical scheme:
an electrically conductive connection device for connecting a fuel cell stack to a copper busbar system, comprising:
a first connector having a first end for securing to an end plate module of a fuel cell stack;
the first end of the second connecting piece is used for connecting a copper bar system, and the second end of the second connecting piece can be matched and connected with the second end of the first connecting piece, so that the first connecting piece is in conductive communication with the second connecting piece, and relative displacement exists between the first connecting piece and the second connecting piece.
Optionally, the second end of the first connecting piece is in plug-in fit with the second end of the second connecting piece.
Optionally, a second end of one of the first connecting piece and the second connecting piece is provided with a plug, a second end of the other of the first connecting piece and the second connecting piece is provided with a jack, and the plug is connected with the jack in an inserting and matching manner.
Optionally, an elastically deformable clamping structure is arranged between the mating surfaces of the plug and the jack.
Optionally, the clamping structure comprises a plurality of layers of fins arranged on the outer wall of the plug and/or the inner wall of the jack.
Optionally, the fins are arranged obliquely, and the oblique direction of the fins arranged on one of the plug and the jack is opposite to the disengaging direction of the other of the plug and the jack.
Optionally, the fins are annular or arc-bar shaped.
Optionally, the first end of the second connector is a pin for connecting with a copper bar system.
Optionally, a limit baffle is arranged between the first end of the second connecting piece and the second end of the second connecting piece, and when the first connecting piece is connected with the second connecting piece in a matching manner, the limit baffle is matched with the first connecting piece to compress and fix all components of the end plate module.
A fuel cell engine is characterized in that an end plate module of a fuel cell stack of the fuel cell engine is connected with a copper bar system through the conductive connecting device.
According to the technical scheme, the utility model discloses an electrically conductive connecting device for connecting a fuel cell stack and a copper bar system, which comprises a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are both made of electrically conductive materials, and the first end of the first connecting piece is used for being fixed on an end plate module of the fuel cell stack; the first end of the second connecting piece is used for connecting the copper bar system, and the second end of the second connecting piece can be matched and connected with the second end of the first connecting piece, so that the first connecting piece and the second connecting piece are in conductive communication, and relative displacement exists between the first connecting piece and the second connecting piece; when using, be connected through above-mentioned electrically conductive connecting device between the end plate module of fuel cell stack and the copper bar system, because there is the relative displacement volume between this electrically conductive connecting device's first connecting piece and the second connecting piece, this relative displacement volume can offset the creep deformation and the removal of fuel cell stack, avoids the creep deformation and the removal of fuel cell stack to influence the copper bar system to promote the reliability and the stability of fuel cell engine, simplify fuel cell engine electricity and connect the design.
The utility model also provides an adopt above-mentioned electrically conductive connecting device's fuel cell engine, the fuel cell of this fuel cell engine is piled and is connected through above-mentioned electrically conductive connecting device between the copper bar system, because the fuel cell of this fuel cell engine is piled and is connected with the copper bar system between having adopted foretell electrically conductive connecting device, consequently the fuel cell engine has the same beneficial effect with above-mentioned electrically conductive connecting device, no longer gives unnecessary details here.
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 these drawings without creative efforts.
Fig. 1 is an exploded view of a conductive connection device according to an embodiment of the present invention connected to a fuel cell stack;
fig. 2 is a schematic structural diagram of a second connecting member of the conductive connecting device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping structure of the conductive connection device according to an embodiment of the present invention.
Wherein:
1 is a first connecting piece; 2 is a second connecting piece; 201 is a first end of a second connector; 202 is the second end of the second connector; 203 is a limit baffle; a collector plate 3; 4 is an end plate; 5 is a belleville spring; and 6, a spring pressing plate.
Detailed Description
One of the cores of the utility model is to provide a conductive connection device, this conductive connection device's structural design makes it can realize being connected between fuel cell stack and the copper bar system, avoids fuel cell stack's creep and removes influence copper bar system, promotes fuel cell engine's reliability and stability, simplifies fuel cell engine electricity connection design.
The other core of the utility model is to provide a fuel cell engine adopting the conductive connecting device.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is an exploded view of a conductive connection device according to an embodiment of the present invention when the conductive connection device is connected to a fuel cell stack.
The embodiment of the utility model provides an in disclose a conductive connection device for being connected of fuel cell stack and copper bar system, this conductive connection device includes first connecting piece 1 and second connecting piece 2.
The first connecting piece 1 and the second connecting piece 2 are both made of conductive materials, and the first end of the first connecting piece 1 is used for being fixed on an end plate module of the fuel cell stack; the first end 201 of the second connecting piece 2 is used for connecting a copper bar system, and the second end 202 of the second connecting piece 2 can be matched and connected with the second end of the first connecting piece 1, so that the first connecting piece 1 is in conductive communication with the second connecting piece 2, and relative displacement exists between the first connecting piece 1 and the second connecting piece 2.
It can be seen, compared with the prior art, the embodiment of the utility model provides a conductive connection device is when using, be connected through above-mentioned conductive connection device between the end plate module of fuel cell stack and the copper bar system, because there is the relative displacement volume between this conductive connection device's first connecting piece 1 and the second connecting piece 2, the creep and the removal of fuel cell stack can be offset to this relative displacement volume, the creep and the removal of avoiding fuel cell stack influence the copper bar system, thereby promote the reliability and the stability of fuel cell engine, simplify the design of fuel cell engine electricity connection.
The first connecting member 1 and the second connecting member 2 can be connected in a matching manner in a plurality of ways, such as a screw joint, a pin joint, a threaded fastener joint, etc. in the embodiment of the present invention, the second end of the first connecting member 1 is in inserting connection with the second end 202 of the second connecting member 2.
Specifically, as shown in fig. 1, a second end of one of the first connecting piece 1 and the second connecting piece 2 is provided with a plug, and a second end of the other of the first connecting piece 1 and the second connecting piece 2 is provided with a jack, and the plug is connected with the jack in an inserting and matching manner.
For making above-mentioned first connecting piece 1 and second connecting piece 2 when keeping stable electrically conductive intercommunication, make certain relative displacement volume between the two can have the embodiment the utility model provides an in, but be provided with elastic deformation's joint structure between the fitting surface of plug and jack, elastic deformation's joint structure both can utilize elastic deformation to make that first connecting piece 1 and second connecting piece 2 combine inseparabler, guarantees stable switching on, reduces contact resistance to there is relative displacement volume between the two when can utilizing the elastic deformation of self.
Specifically, as shown in fig. 3, the clamping structure includes a plurality of layers of fins 7 disposed on the outer wall of the plug and/or the inner wall of the jack, and the plurality of layers of fins 7 are made of conductive material, preferably copper.
As shown in fig. 3, the fins 7 are arranged obliquely, and the oblique direction of the fin 7 arranged on one of the plug and the jack is opposite to the separation direction of the other of the plug and the jack, so that when the plug and the jack have a tendency to separate from each other, the fin 7 can generate elastic deformation to clamp the plug and the jack more tightly, and prevent the plug and the jack from separating.
Further, the fins 7 have a ring shape or a curved bar shape.
As shown in fig. 2, in the embodiment of the present invention, the first end 201 of the second connecting member 2 is a bolt for connecting with a copper bar system.
It can be understood that the end plate module of the fuel cell stack generally includes a plurality of components, such as the current collecting plate 3, the end plate 4, etc., for this reason, in the embodiment of the present invention, as shown in fig. 2, a limit baffle 203 is disposed between the first end 201 of the second connecting member 2 and the second end 202 of the second connecting member 2, when the first connecting member 1 is connected with the second connecting member 2 in a matching manner, the limit baffle 203 is matched with the first connecting member 1 to compress and fix each component of the end plate module, so as to realize the compression of each component of the end plate module while realizing the connection of the end plate module and the copper bar system.
The embodiment of the utility model provides a still provide a fuel cell engine, this fuel cell engine includes fuel cell stack and copper bar system, is connected through electrically conductive connecting device as above-mentioned embodiment between the end plate module of fuel cell stack of fuel cell engine and the copper bar system, because this fuel cell engine has adopted the electrically conductive connecting device in above-mentioned embodiment, therefore the technological effect of this fuel cell engine please refer to above-mentioned embodiment.
As shown in fig. 1, the end plate module of the fuel cell engine includes a current collecting plate 3, an end plate 4, a belleville spring 5 and a spring pressing plate 6, when the end plate module and the copper bar system are connected by using the above-mentioned electrically conductive connection device, first, the first connecting member 1 of the electrically conductive connection device is fixed on the current collecting plate 3, a through hole for the second end of the first connecting member 1 to pass through is provided on the end plate 4, a through hole for the second end 202 of the second connecting member 2 to pass through is provided on the spring pressing plate 6, the second end of the first connecting member 1 passes through the through hole on the end plate 4 and extends into the belleville spring, and the second end 202 of the second connecting member 2 passes through the through hole on the spring pressing plate 6 and extends into the belleville spring to be connected with the second end of the first connecting member 1 in a matching manner.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electrically conductive connection device for connecting a fuel cell stack to a copper bar system, comprising:
a first connector having a first end for securing to an end plate module of a fuel cell stack;
the first end of the second connecting piece is used for connecting a copper bar system, and the second end of the second connecting piece can be matched and connected with the second end of the first connecting piece, so that the first connecting piece is in conductive communication with the second connecting piece, and relative displacement exists between the first connecting piece and the second connecting piece.
2. The electrically conductive connection as set forth in claim 1 wherein the second end of the first connector is in mating engagement with the second end of the second connector.
3. The conductive connecting device as claimed in claim 2, wherein the second end of one of the first connecting member and the second connecting member is provided with a plug, the second end of the other of the first connecting member and the second connecting member is provided with a jack, and the plug is connected with the jack in a plugging fit manner.
4. The conductive connection device as claimed in claim 3, wherein an elastically deformable snap-fit structure is provided between the mating surfaces of the plug and the receptacle.
5. The electrically conductive connection device of claim 4, wherein the snap structure comprises a plurality of layers of fins disposed on an outer wall of the plug and/or an inner wall of the receptacle.
6. The electrically conductive connecting device according to claim 5, wherein the fin is provided obliquely, and an oblique direction of the fin provided to one of the plug and the socket is opposite to a disengaging direction of the other of the plug and the socket.
7. The electrically conductive connection device according to claim 5 or 6, wherein the fin has a ring shape or an arc-bar shape.
8. The electrically conductive connection means of any one of claims 1 to 6, wherein the first end of the second connection member is a pin for connection to a copper bar system.
9. The conductive connecting device of claim 8, wherein a limit baffle is disposed between the first end of the second connecting member and the second end of the second connecting member, and when the first connecting member is connected with the second connecting member in a matching manner, the limit baffle is matched with the first connecting member to press and fix the components of the end plate module.
10. A fuel cell engine, characterized in that the end plate module of the fuel cell stack of the fuel cell engine is connected with the copper bar system through the conductive connecting device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388728.0U CN217239758U (en) | 2021-12-29 | 2021-12-29 | Conductive connecting device and fuel cell engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388728.0U CN217239758U (en) | 2021-12-29 | 2021-12-29 | Conductive connecting device and fuel cell engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217239758U true CN217239758U (en) | 2022-08-19 |
Family
ID=82828437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123388728.0U Active CN217239758U (en) | 2021-12-29 | 2021-12-29 | Conductive connecting device and fuel cell engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217239758U (en) |
-
2021
- 2021-12-29 CN CN202123388728.0U patent/CN217239758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1306661C (en) | Electric connection device | |
| CN217239758U (en) | Conductive connecting device and fuel cell engine | |
| JP6724868B2 (en) | High current terminals and connectors | |
| CN211629359U (en) | Floating socket for PCB | |
| WO2023185271A1 (en) | Multilayer elastic sheet staggered socket structure and connector | |
| CN111585091A (en) | Electric connector with dislocation stacking assembly | |
| CN111129796A (en) | Self-unlocking connector | |
| CN212303991U (en) | Female terminal | |
| CN213304415U (en) | Current terminal assembly | |
| CN212934914U (en) | Rifle stamping terminal charges | |
| CN211700667U (en) | Insert spring terminal and have battery package of inserting spring terminal | |
| CN217281472U (en) | Electric connector device with self-locking function | |
| CN215343091U (en) | Connecting terminal and socket connector | |
| CN214957566U (en) | Quick-insertion type electric conductor | |
| CN216872335U (en) | Power plug | |
| CN212934880U (en) | Plug-in wiring board | |
| CN211655127U (en) | Novel conductive plug bush | |
| CN218472313U (en) | High-current contact and electric connector with same | |
| CN211045883U (en) | Quick plug low frequency connector | |
| CN211981000U (en) | Anti-loosening connector | |
| CN216958600U (en) | Power supply and communication integrated electronic connector | |
| CN215771581U (en) | Shell fragment type heavy load connector of quick wiring | |
| CN210866640U (en) | Rubber core low-height connector | |
| CN216251456U (en) | Fool-proof connector | |
| CN213184778U (en) | Two-end quick-insert terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |