CN112201975A - Electrical connector, bipolar plate and controller assembly - Google Patents
Electrical connector, bipolar plate and controller assembly Download PDFInfo
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- CN112201975A CN112201975A CN202011070314.0A CN202011070314A CN112201975A CN 112201975 A CN112201975 A CN 112201975A CN 202011070314 A CN202011070314 A CN 202011070314A CN 112201975 A CN112201975 A CN 112201975A
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- bipolar plate
- arm
- pressing
- electrical connector
- connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
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Abstract
The invention discloses an electric connector, a bipolar plate and a controller assembly, wherein the electric connector is used for connecting the bipolar plate with a battery voltage monitoring controller and comprises a connector main body and a plurality of contact terminals, the connector main body is provided with a plurality of insertion holes which are arranged in a penetrating way, one side of each insertion hole is used for inserting and fixing a connecting end of the bipolar plate, the contact terminals are inserted into the other sides of the insertion holes one by one, one end of each contact terminal is used for being abutted and conducted with the bipolar plate, and the other end of each contact terminal is used for being connected with the battery voltage monitoring controller; the bipolar plate comprises a bipolar plate body and an embedded arm, wherein the embedded arm is arranged on one side of the bipolar plate body and is used for being connected with the plug hole in an inserting mode, and the embedded arm is provided with an accommodating port for accommodating the crimping arm of the pressing clamp and a first groove and a second groove for clamping the inner wall of the plug hole. The invention improves the structure of the electric connector and the bipolar plate and improves the connection stability.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to an electric connector, a bipolar plate and a controller assembly.
Background
The existing electric cone bipolar plate and a Cell Voltage Monitoring (CVM) controller are mainly connected by an electric connector, and during connection, the bipolar plate is inserted into the electric connector, and signals or electric energy are transmitted to a CVM control device through electric wires to perform data and energy conversion. However, the electrical connector is a structure clamped by two elastic sheet type contact terminals, the requirement of the structure on the clamping force of the product is relatively large, and the contact terminals are stressed and deformed under the influence of stress in the use process of the product, so that the clamping force of the contact terminals is reduced, the phenomenon of intermittent poor contact of the product is possibly caused, and the stability of the electrical connector is poor.
Therefore, how to improve the connection stability of the bipolar plate and the battery voltage monitoring controller becomes a problem to be solved urgently.
Disclosure of Invention
The invention mainly aims to provide an electric connector, aiming at improving the connection stability of a bipolar plate and a battery voltage monitoring controller so as to avoid the situations of poor contact, disconnection and the like.
To achieve the above object, the present invention provides an electrical connector for connecting a bipolar plate with a cell voltage monitoring controller, the electrical connector comprising:
the connector main body is provided with a plurality of insertion holes which are arranged in a penetrating way, and one side of each insertion hole is used for inserting and fixing the connecting end of the bipolar plate; and
the contact terminals are inserted into the other sides of the inserting holes in a one-to-one manner, one ends of the contact terminals are used for being abutted and conducted with the bipolar plate, and the other ends of the contact terminals are used for being connected with the battery voltage monitoring controller.
In one embodiment, each of the contact terminals includes a terminal body, and a first connecting arm and a second connecting arm respectively disposed at two sides of the terminal body, the first connecting arm is used for connecting with the bipolar plate, and the second connecting arm is used for connecting with the battery voltage monitoring controller through a wire.
In one embodiment, the terminal body is provided with a limiting block, a stopping groove is arranged in the plug hole of the connector main body corresponding to the limiting block, and the limiting block is clamped into the stopping groove to limit the contact terminal to be separated from the plug hole along the direction deviating from the bipolar plate.
In an embodiment, the width of the terminal body is greater than the width of the first connecting arm, a stepped abutting edge is arranged at a joint of the terminal body and the first connecting arm, a contact edge matched with the abutting edge is arranged at a position, corresponding to the abutting edge, of the inner wall of the insertion hole, and the abutting edge abuts against the contact edge to limit the contact terminal from being separated from the insertion hole along a direction close to the bipolar plate.
In one embodiment, a window is formed in the middle of the terminal body, the side wall of the window, which is close to one side of the bipolar plate, is provided with a limiting block which is bent towards the direction of the inner wall of the inserting hole, and the limiting block extends along the length direction of the contact terminal.
In an embodiment, the first connecting arm is provided with a bending section in a bending manner, and when the contact terminal extends into the insertion hole and is located at a position where the limiting block is clamped with the retaining groove, the bending section is abutted against the bipolar plate, so that the bipolar plate is electrically connected with the battery voltage monitoring controller.
In an embodiment, an end of the second connecting arm is provided with a socket section for inserting the conductor of the wire, and the contact terminal is riveted and fixed with the wire.
In one embodiment, the electrical connector further comprises:
the pressing clamp comprises a pressing clamp body, and a pressing arm which are respectively arranged at two ends of the pressing clamp body, wherein two first bosses which are oppositely arranged are convexly arranged on the pressing clamp body, and first inserting holes are formed in the two first bosses; second bosses are arranged on the connector main body corresponding to the positions of the two first bosses, and second insertion holes which are matched with the first insertion holes are arranged on the two second bosses corresponding to the positions of the first insertion holes; the connector main body is provided with a clamping groove for the compression joint arm to be clamped in, and the clamping groove is communicated with the inserting hole;
the guide post penetrates through the first insertion hole and the second insertion hole to fixedly connect the first boss and the second boss; and
the elastic piece is sleeved on the guide post and provided with a first abutting arm elastically abutted to the pressing clamp body and a second abutting arm elastically abutted to the connector main body, so that the pressing clamp can be arranged on the connector main body in a pressing manner;
when the pressing arm is in an initial state, the pressing arm is positioned in the clamping groove of the connector main body and is used for pressing and fixing the bipolar plate in the inserting hole under the action force of the elastic piece;
when the pressing arm is in a pressed state, the pressing arm moves to a non-pressing position under the action of the elastic piece so as to insert and pull the bipolar plate.
In order to achieve the above object, the present invention further provides a bipolar plate, which is connected to a battery voltage monitoring controller through an electrical connector, the electrical connector includes a connector main body having a plugging hole, and a pressing clip disposed on the connector main body, a contact terminal is disposed in the plugging hole, and the bipolar plate includes:
a bipolar plate body; and
the embedding arm is located one side of bipolar plate body be used for with the spliced eye is pegged graft, be equipped with on the embedding arm and be used for supplying the holding mouth according to the crimping arm holding of pressing from both sides and be used for supplying first recess and second recess that the spliced eye inner wall card was gone into, the side of holding mouth is "C" font, first recess and/or the notch of second recess be equipped with be used for with the reinforcement portion of the link butt of contact terminal, just the thickness of reinforcement portion is greater than the thickness of bipolar plate body.
In order to achieve the above object, the present invention also provides a controller assembly, comprising:
a battery voltage monitoring controller;
a plurality of bipolar plates, each of said bipolar plates being a bipolar plate as described above, said bipolar plates comprising:
a bipolar plate body; and
the embedded arm is arranged on one side of the bipolar plate body and is used for being inserted into the inserting hole, an accommodating port for accommodating the pressing arm of the pressing clamp and a first groove and a second groove for clamping the inner wall of the inserting hole are formed in the embedded arm, the side face of the accommodating port is C-shaped, a reinforcing part for abutting against the connecting end of the contact terminal is arranged in a notch of the first groove and/or the second groove, and the thickness of the reinforcing part is larger than that of the bipolar plate body; and
an electrical connector as described above through which the bipolar plate and the cell voltage monitoring controller are connected, the electrical connector comprising:
the connector main body is provided with a plurality of insertion holes which are arranged in a penetrating way, and one side of each insertion hole is used for inserting and fixing the connecting end of the bipolar plate; and
the contact terminals are inserted into the other sides of the inserting holes in a one-to-one manner, one ends of the contact terminals are used for being abutted and conducted with the bipolar plate, and the other ends of the contact terminals are used for being connected with the battery voltage monitoring controller.
In the technical scheme of the invention, the electric connector comprises a connector main body and a plurality of contact terminals, wherein the connector main body is provided with a plurality of insertion holes which are arranged in a penetrating way, one side of each insertion hole is used for inserting and fixing the connecting end of the bipolar plate, the contact terminals are inserted into the other sides of the insertion holes one by one, one ends of the contact terminals are used for being abutted and conducted with the bipolar plate, and the other ends of the contact terminals are used for being connected with the battery voltage monitoring controller, so that the connection stability of the bipolar plate and the battery voltage monitoring controller is improved, and the situations of poor contact, disconnection and the like are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a controller assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the controller assembly of the present invention;
FIG. 3 is a schematic structural diagram of an electrical connector according to an embodiment of the present invention;
FIG. 4 is a schematic view of a contact terminal of an embodiment of the electrical connector of the present invention;
FIG. 5 is a side view of one embodiment of a controller assembly of the present invention;
FIG. 6 is a cross-sectional view of the controller assembly A-A of FIG. 5;
fig. 7 is an enlarged view of the controller assembly of fig. 6 at section B.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In an exemplary technique, the electrical cone bipolar plate is connected to a Cell Voltage Monitoring (CVM) controller by an electrical connector, and during the connection, the bipolar plate is inserted into the electrical connector, and then a signal or electric energy is transmitted to a CVM controller through a wire to perform data and energy conversion. However, the electrical connector is a structure clamped by two elastic sheet type contact terminals, the requirement of the structure on the clamping force of the product is relatively large, and the contact terminals are stressed and deformed under the influence of stress in the use process of the product, so that the clamping force of the contact terminals is reduced, the phenomenon of intermittent poor contact of the product is possibly caused, and the stability of the electrical connector is poor.
In order to improve the connection stability of the bipolar plate and the cell voltage monitoring controller and avoid the occurrence of poor contact or disconnection and the like, the invention provides an electric connector, in particular to a hydrogen fuel cell electric connector, which can be applied to the connection of the electric cone bipolar plate and the cell voltage monitoring controller and can also be applied to the connection of other plate structures and a controller or a circuit board, and the application range of the electric connector is not limited herein.
Referring to fig. 1 to 3, in an embodiment of the present invention, the electrical connector is used for connecting a bipolar plate 10 with a cell voltage monitoring controller, and includes a connector body 100 and a plurality of contact terminals 200; the connector body 100 is formed with a plurality of insertion holes 100a arranged in a penetrating manner, and one side of the insertion holes 100a is used for inserting and fixing the connection end of the bipolar plate 10; the plurality of contact terminals 200 are inserted into the other sides of the plurality of insertion holes 100a one-to-one, one end of each contact terminal 200 is used for being in contact with the bipolar plate 10, and the other end of each contact terminal 200 is used for being connected with a battery voltage monitoring controller.
The connector body 100 may be formed by integrally molding a plastic member or assembling a plurality of plastic members, and forms the plurality of insertion holes 100a, the plurality of insertion holes 100a may be arranged in one or more rows, the number of the insertion holes 100a in each row may be one or more for the insertion of the contact terminal 200, the plurality of insertion holes 100a may be arranged in a through manner, one end of each insertion hole is for the insertion of the contact terminal 200, and the other end of each insertion hole is for the insertion of the connection end of the tapered bipolar plate 10, so that the connection end is connected to the contact terminal 200.
In this embodiment, the contact terminal 200 may be a metal conductor with a certain electrical conductivity, may be configured in a strip shape, and may be provided with a plurality of clamping portions to be embedded and fixed in the insertion hole 100a, the shape of one end of the contact terminal 200 may be adapted to the shape of the abutting portion of the electric cone bipolar plate 10, and the other end of the contact terminal 200 may be electrically connected to the circuit board of the battery voltage monitoring controller through the wire 20.
In this embodiment, the bipolar plate 10 may be fixed to one side of the insertion hole 100a by insertion and engagement, may be embedded to one side of the insertion hole 100a by glue adhesion or hot melting, and may be fixed in the insertion hole 100a of the connector body by screw locking, which is not limited herein.
It should be noted that the insertion holes 100a of the connector body 100 may be designed according to actual requirements, and one or more bipolar plates 10 may be inserted and fixed in each insertion hole 100a, where the number of the bipolar plates 10 that may be inserted in each insertion hole 100a is not limited.
It can be understood that, in the present invention, a plurality of insertion holes 100a are formed in the connector main body 100 of the electrical connector, one side of the insertion hole 100a is used for inserting and fixing the connection end of the bipolar plate 10, a plurality of contact terminals 200 are inserted into the other side of the insertion holes 100a one-to-one, one end of each contact terminal 200 is used for being abutted and conducted with the bipolar plate 10, and the other end of each contact terminal 200 is used for being connected with a battery voltage monitoring controller, so that the deformation degree of the contact terminal 200 is reduced, the connection stability of the bipolar plate 10 and the battery voltage monitoring controller is improved, and the occurrence of poor contact or disconnection is avoided.
In order to further improve the connection stability of the electrical connector, in an embodiment, referring mainly to fig. 4, each contact terminal 200 of the electrical connector may include a terminal body 210, and a first connection arm 220 and a second connection arm 230 respectively disposed at two sides of the terminal body 210, wherein the first connection arm 220 is used for connecting with the bipolar plate 10, and the second connection arm 230 is used for connecting with the cell voltage monitoring controller through a wire 20.
Referring to fig. 4 to 7, in this embodiment, the terminal body 210 may be provided with a stop block 211, a retaining groove 111 is disposed in the insertion hole 100a of the connector main body 100 at a position corresponding to the stop block 211, and the stop block 211 is clamped in the retaining groove 111 to limit the contact terminal 200 from being separated from the insertion hole 100a along a direction away from the bipolar plate 10.
It should be noted that, referring mainly to fig. 4, the width of the terminal body 210 may be greater than the width of the first connecting arm 220, the joint between the terminal body 210 and the first connecting arm 220 has a step-shaped abutting edge 212, a contact edge adapted to abut against is disposed at a position of the inner wall of the insertion hole 100a corresponding to the abutting edge 212, and the abutting edge 212 abuts against the contact edge to limit the contact terminal 200 from being separated from the insertion hole 100a along a direction close to the bipolar plate 10.
In this embodiment, referring mainly to fig. 4, in order to limit and fix the contact terminal 200 and avoid unstable connection caused by displacement of the contact terminal 200 during use, in an embodiment, a window 210a may be formed in the middle of the terminal body 210, a limiting block 211 bent toward the inner wall of the insertion hole 100a is disposed on a side wall of the window 210a close to one side of the bipolar plate 10, and the limiting block 211 extends along the length direction of the contact terminal 200 (i.e., away from the bipolar plate 10) to form the limiting block 211.
Based on the above embodiments, in some embodiments, referring mainly to fig. 4, the first connecting arm 220 may be bent to form a bent section 221, and when the contact terminal 200 extends into the insertion hole 100a and is located at a position where the stopper 211 is engaged with the retaining groove 111, the bent section 221 abuts against the bipolar plate 10, so that the bipolar plate 10 is electrically connected to the battery voltage monitoring controller.
It can be understood that the contact terminal 200 in the present embodiment is embedded in the insertion hole 100a of the connector body 100 and abuts against the bipolar plate 10 through the bent section 221 thereof, so that the connection between the contact terminal 200 and the bipolar plate 10 is more stable, and the connection stability of the electrical connector is further improved.
Further, referring mainly to fig. 4, the end of the second connecting arm 230 may be provided with a socket section 231 for inserting the conductor of the wire 20, and the contact terminal 200 is riveted with the wire 20. So set up for contact terminal 200 is more stable with being connected of battery voltage monitor controller, and then has promoted bipolar plate 10 and battery voltage monitor controller's connection stability, also convenient equipment simultaneously.
Of course, in some other embodiments, the contact terminal 200 and the lead 20 may be connected and fixed by welding, and the like, which is not limited herein.
In addition, in order to facilitate the disassembly and assembly of the bipolar plate 10, the bipolar plate 10 can be detachably connected to an electrical connector to improve the assembly efficiency, and in one embodiment, referring mainly to fig. 2, the electrical connector can further include a pressing clip 300, a guide pillar 400, and an elastic member 500; the pressing clamp 300 comprises a pressing clamp body 310, and a crimping arm 311 and a pressing arm 312 which are respectively arranged at two ends of the pressing clamp body 310, wherein two first bosses which are oppositely arranged are convexly arranged on the pressing clamp body 310, and first jacks are respectively arranged on the two first bosses; second bosses are arranged on the connector main body 100 corresponding to the two first bosses, and adaptive second jacks are arranged on the two second bosses corresponding to the first jacks; the connector body 100 is provided with a card slot 100b for the clamping of the pressure connecting arm 311, and the card slot 100b is communicated with the plug hole 100 a; the guide pillar 400 penetrates through the first insertion hole and the second insertion hole to fixedly connect the first boss and the second boss; the elastic member 500 is sleeved on the guide post 400, and the elastic member 500 has a first abutting arm elastically abutting against the pressing clip body 310 and a second abutting arm elastically abutting against the connector body 100, so that the pressing clip 300 can be arranged on the connector body 100 in a pressing manner.
In this embodiment, when the pressing arm 312 is in the initial state (the engaging position), the pressing arm 311 is located in the engaging groove 100b of the connector body 100 and is used to press and fix the bipolar plate 10 in the inserting hole 100a under the action of the elastic member 500; when the pressing arm 312 is in a pressed state, the pressing arm 311 moves to a non-pressing position (separation position) under the action of the elastic member 500, so as to insert and remove the bipolar plate 10.
In this embodiment, the elastic member 500 may be a spring or an elastic plastic body with certain elastic performance, and the like, but is not limited thereto. The material of the guide post 400 may be copper or stainless steel, but not limited thereto.
When the pressing arm 312 of the pressing clip 300 is pressed, the pressing arm 311 of the pressing clip 300 can be switched to an engaging position where it is engaged with the electric taper bipolar plate 10 (initial state of the pressing clip 300) or a separating position where it is separated from the electric taper bipolar plate 10 (pressing state of the pressing clip 300) by the elastic member 500; specifically, at the engaging position, the pressing arm 311 of the pressing clip 300 is engaged with the electric cone bipolar plate 10 to engage and fix the electric cone bipolar plate 10 in the insertion hole 100 a; in the disengaged position, the crimping arms 311 of the press-fit clamp 300 are disengaged from the electric-cone bipolar plate 10 to allow the electric-cone bipolar plate 10 to be withdrawn from the insertion hole 100a or to allow the electric-cone bipolar plate 10 to be inserted into the insertion hole 100 a. So configured, a snap-fit attachment of the electrode cone bipolar plate 10 is achieved for connection to a battery voltage monitoring controller via contact terminals 200 of an electrical connector.
In the production and assembly, the two first bosses on the clip 300 are aligned with the two second bosses on the connector body 100, and the through holes on the side of the elastic member 500 are aligned with the first and second insertion holes, the guide posts 400 are inserted from one side, the clip 300 is assembled to the connector body 100 through the first and second insertion holes, the elastic member 500 and the second insertion holes, and the contact terminals 200 are inserted into the insertion holes 100a of the assembled connector body 100 in the direction, so as to complete the assembly of the whole electrical connector.
In order to improve the connection stability of the bipolar plate 10 and the battery voltage monitoring controller to avoid poor contact or disconnection, referring to fig. 1 to 3, the present invention further provides a novel bipolar plate 10, the bipolar plate 10 and the battery voltage monitoring controller are connected by the above-mentioned electrical connector, the electrical connector includes a connector main body 100 having a plug hole 100a and a pressing clip 300 disposed on the connector main body 100, and a contact terminal 200 is disposed in the plug hole 100 a.
In this embodiment, referring to fig. 2 mainly, the bipolar plate 10 may include a bipolar plate body 11 and an embedded arm 12, the embedded arm 12 is disposed on one side of the bipolar plate body 11 and is used for being inserted into the insertion hole 100a, the embedded arm 12 is provided with an accommodating port 12C for accommodating a crimping arm 311 of the clamp 300 and a first groove 12a and a second groove 12b for inserting an inner wall of the insertion hole 100a, a side surface of the accommodating port 12C is C-shaped, notches of the first groove 12a and/or the second groove 12b are provided with a reinforcing portion 121 for being abutted against a connection end of the contact terminal 200, and a thickness of the reinforcing portion 121 is greater than a thickness of the bipolar plate body 11.
It can be understood that, the bipolar plate 10 of the present embodiment is provided with the receiving opening 12C having the C-shaped lateral surface for being inserted into the insertion hole 100a of the electrical connector, and the first groove 12a and the second groove 12b for limiting the bipolar plate 10 from moving in the insertion hole 100a, so that the bipolar plate 10 can be inserted into the insertion hole 100a of the electrical connector more stably, and the connection stability is improved. In addition, the notches of the first groove 12a and/or the second groove 12b are provided with the reinforcing part 121, so that the contact area between the contact terminal 200 and the bipolar plate 10 can be increased, the phenomenon that the bipolar plate 10 or the contact terminal 200 is in discontinuous poor contact due to micro displacement in the insertion hole 100a can be avoided, the connection stability of the bipolar plate 10 and the electric connector is improved, and the stability of the bipolar plate 10 is improved.
It should be noted that, in some embodiments, the shape of the bipolar plate 10 may also be set according to the connection strength or the customer structure matching, and the specific shape, size, position and number of the receiving opening 12c, the first groove 12a and the second groove 12b are not limited herein.
The present invention also provides a controller assembly, referring to fig. 1 and 2, the controller assembly comprises a cell voltage monitoring controller (not shown, a circuit board of the cell voltage monitoring controller and a contact terminal 200 of an electrical connector can be connected through a lead 20), a plurality of bipolar plates 10 and an electrical connector, the bipolar plates 10 and the cell voltage monitoring controller are connected through the electrical connector, the specific structure of the electrical connector and the bipolar plates 10 is described in the above embodiments, and since the controller assembly provided by the present invention comprises all the solutions of all the embodiments of the electrical connector and the bipolar plates 10, at least the same technical effects as the electrical connector and the bipolar plates 10 are provided, which are not necessarily described herein.
Referring to fig. 1 to 3, in an embodiment of the present invention, the electrical connector for connecting a bipolar plate 10 with a cell voltage monitoring controller includes a connector body 100 and a plurality of contact terminals 200; the connector body 100 is formed with a plurality of insertion holes 100a arranged in a penetrating manner, and one side of the insertion holes 100a is used for inserting and fixing the connection end of the bipolar plate 10; the plurality of contact terminals 200 are inserted into the other sides of the plurality of insertion holes 100a one-to-one, one end of each contact terminal 200 is used for being in contact with the bipolar plate 10, and the other end of each contact terminal 200 is used for being connected with a battery voltage monitoring controller.
Referring to fig. 2, the bipolar plate 10 of the present embodiment includes a bipolar plate body 11 and an embedded arm 12, the embedded arm 12 is disposed on one side of the bipolar plate body 11 and is used for being inserted into the insertion hole 100a, the embedded arm 12 is provided with an accommodating port 12C for accommodating the pressing arm 311 of the pressing clip 300 and a first groove 12a and a second groove 12b for inserting the inner wall of the insertion hole 100a, a side surface of the accommodating port 12C is "C" shaped, notches of the first groove 12a and/or the second groove 12b are provided with a reinforcing portion 121 for abutting against the connection end of the contact terminal 200, and a thickness of the reinforcing portion 121 is greater than a thickness of the bipolar plate body 11.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electrical connector for connecting a bipolar plate to a cell voltage monitoring controller, the electrical connector comprising:
the connector main body is provided with a plurality of insertion holes which are arranged in a penetrating way, and one side of each insertion hole is used for inserting and fixing the connecting end of the bipolar plate; and
the contact terminals are inserted into the other sides of the inserting holes in a one-to-one manner, one ends of the contact terminals are used for being abutted and conducted with the bipolar plate, and the other ends of the contact terminals are used for being connected with the battery voltage monitoring controller.
2. The electrical connector of claim 1, wherein each of the contact terminals comprises a terminal body, and a first connecting arm and a second connecting arm respectively disposed on two sides of the terminal body, the first connecting arm is configured to be connected to the bipolar plate, and the second connecting arm is configured to be connected to the cell voltage monitoring controller via a wire.
3. The electrical connector of claim 2, wherein the terminal body is provided with a limiting block, a retaining groove is formed in the position, corresponding to the limiting block, in the plug hole of the connector body, and the limiting block is clamped in the retaining groove to limit the contact terminal from being separated from the plug hole in a direction away from the bipolar plate.
4. The electrical connector of claim 2, wherein the width of the terminal body is greater than the width of the first connecting arm, the connecting portion of the terminal body and the first connecting arm has a step-shaped abutting edge, a contact edge of the abutting fit is disposed at a position of the inner wall of the insertion hole corresponding to the abutting edge, and the abutting edge abuts against the contact edge to limit the contact terminal from being separated from the insertion hole in a direction close to the bipolar plate.
5. The electrical connector of claim 3, wherein a window is formed in the middle of the terminal body, the side wall of the window near the bipolar plate is provided with a limiting block bent toward the inner wall of the insertion hole, and the limiting block extends along the length direction of the contact terminal.
6. The electrical connector of claim 3, wherein the first connecting arm is provided with a bent section, and when the contact terminal extends into the insertion hole and is located at a position where the limiting block is clamped with the retaining groove, the bent section abuts against the bipolar plate, so that the bipolar plate is electrically connected with the battery voltage monitoring controller.
7. The electrical connector of claim 2, wherein the end of the second connecting arm is provided with a socket section for inserting the conductor of the wire, and the contact terminal is riveted to the wire.
8. The electrical connector of claim 1, further comprising:
the pressing clamp comprises a pressing clamp body, and a pressing arm which are respectively arranged at two ends of the pressing clamp body, wherein two first bosses which are oppositely arranged are convexly arranged on the pressing clamp body, and first inserting holes are formed in the two first bosses; second bosses are arranged on the connector main body corresponding to the positions of the two first bosses, and second insertion holes which are matched with the first insertion holes are arranged on the two second bosses corresponding to the positions of the first insertion holes; the connector main body is provided with a clamping groove for the compression joint arm to be clamped in, and the clamping groove is communicated with the inserting hole;
the guide post penetrates through the first insertion hole and the second insertion hole to fixedly connect the first boss and the second boss; and
the elastic piece is sleeved on the guide post and provided with a first abutting arm elastically abutted to the pressing clamp body and a second abutting arm elastically abutted to the connector main body, so that the pressing clamp can be arranged on the connector main body in a pressing manner;
when the pressing arm is in an initial state, the pressing arm is positioned in the clamping groove of the connector main body and is used for pressing and fixing the bipolar plate in the inserting hole under the action force of the elastic piece;
when the pressing arm is in a pressed state, the pressing arm moves to a non-pressing position under the action of the elastic piece so as to insert and pull the bipolar plate.
9. The utility model provides a bipolar plate, bipolar plate passes through the electric connector with battery voltage monitoring controller and is connected, the electric connector is including the connector main part that is equipped with the spliced eye and locate press the clamp in the connector main part, be equipped with contact terminal in the spliced eye, its characterized in that, bipolar plate includes:
a bipolar plate body; and
the embedding arm is located one side of bipolar plate body be used for with the spliced eye is pegged graft, be equipped with on the embedding arm and be used for supplying the holding mouth according to the crimping arm holding of pressing from both sides and be used for supplying first recess and second recess that the spliced eye inner wall card was gone into, the side of holding mouth is "C" font, first recess and/or the notch of second recess be equipped with be used for with the reinforcement portion of the link butt of contact terminal, just the thickness of reinforcement portion is greater than the thickness of bipolar plate body.
10. A controller assembly, comprising:
a battery voltage monitoring controller;
a plurality of bipolar plates, each of said bipolar plates being a bipolar plate according to claim 9; and
an electrical connector as claimed in any one of claims 1 to 8 through which the bipolar plate and the cell voltage monitoring controller are connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070314.0A CN112201975A (en) | 2020-09-30 | 2020-09-30 | Electrical connector, bipolar plate and controller assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011070314.0A CN112201975A (en) | 2020-09-30 | 2020-09-30 | Electrical connector, bipolar plate and controller assembly |
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| CN112201975A true CN112201975A (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809352A (en) * | 2021-08-30 | 2021-12-17 | 深圳深科鹏沃科技有限公司 | CVM pin mechanism and fuel cell system |
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2020
- 2020-09-30 CN CN202011070314.0A patent/CN112201975A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809352A (en) * | 2021-08-30 | 2021-12-17 | 深圳深科鹏沃科技有限公司 | CVM pin mechanism and fuel cell system |
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