CN213905632U - Contact terminal, electric connector and controller assembly - Google Patents
Contact terminal, electric connector and controller assembly Download PDFInfo
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- CN213905632U CN213905632U CN202023083072.7U CN202023083072U CN213905632U CN 213905632 U CN213905632 U CN 213905632U CN 202023083072 U CN202023083072 U CN 202023083072U CN 213905632 U CN213905632 U CN 213905632U
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 31
- 210000004027 cell Anatomy 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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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 contact terminal, electric connector and controller subassembly, wherein, the electric connector includes the connector main part and inserts the spacer pin of locating in the connector main part, the contact terminal inserts and locates in the connector main part and spacing fixedly through the spacer pin, the electric connector is used for connecting stack bipolar plate and battery voltage monitoring controller, the contact terminal includes terminal body, butt section and linkage segment, the terminal body has relative first end and the second end that sets up; the abutting section is connected with the first end of the terminal body, and is provided with an elastic abutting part for abutting against the galvanic pile bipolar plate; the connecting section is connected with the second end of the terminal body and is used for being connected with the battery voltage monitoring controller through a lead. The utility model discloses improved electric connector's contact terminal and connection structure, improved contact terminal's steadiness, promoted electric connector's connection stability.
Description
Technical Field
The utility model relates to a technical electric connector field especially relates to a contact terminal, electric connector and controller subassembly.
Background
At present, a bipolar plate of a hydrogen fuel Cell stack and a Cell Voltage Monitoring (CVM) controller are mainly connected by an electrical connector, and during connection, the bipolar plate is inserted into the electrical connector, and signals or electric energy are transmitted to a CVM controller through an electric wire to perform data and energy conversion.
However, the electrical connector generally adopts two metal sheet clamping type contact terminals, the clamping force of the contact terminals is weak, when the stack bipolar plates are stacked and used in a high-temperature and low-temperature environment, the deformation degree of the bipolar plates caused by thermal expansion and cold contraction is different, and the distance between the bipolar plates is different, so that the connection stability of the contact terminals of the structure is poor.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a contact terminal, an electrical connector and a controller assembly, which can improve the connection stability of the contact terminal to avoid the disconnection of the electrical connector.
In order to achieve the above object, the utility model provides a contact terminal is applied to electric connector, electric connector includes the connector main part and inserts and locate spacing pin in the connector main part, contact terminal inserts and locates in the connector main part and pass through spacing fixed of spacing pin, electric connector is used for connecting electric pile bipolar plate and battery voltage monitoring controller, contact terminal includes:
a terminal body having a first end and a second end disposed opposite to each other;
the abutting section is connected with the first end of the terminal body and provided with an elastic abutting part for abutting against the stack bipolar plate; and
and the connecting section is connected with the second end of the terminal body and is used for being connected with the battery voltage monitoring controller through a lead.
In one embodiment, a through hole is formed in the abutting section, an extension arm extends from the hole wall on one side of the through hole close to the terminal body in the direction back to the connecting section to form the elastic abutting section, the extension arm is arranged in an arc shape, and the extension arm is used for abutting against the side wall of the stack bipolar plate.
In one embodiment, an end of the connecting section, which faces away from the terminal body, is provided with a socket for inserting a wire connected with the battery voltage monitoring controller.
In an embodiment, the connecting section of the contact terminal is provided with an extending arm, the extending arm is bent and extended from one side of the connecting section towards the thickness direction of the connecting section, and the extending arm is used for abutting against the limiting pin so as to limit the contact terminal to move along the length direction of the contact terminal.
In order to achieve the above object, the present invention further provides an electrical connector for connecting a stack bipolar plate and a battery voltage monitoring controller, the electrical connector comprising:
the connector main body is provided with a plurality of jacks, each jack is provided with a first side and a second side which are arranged oppositely, the first side of each jack is used for inserting and fixing the bipolar plate of the stack, and the second side of each jack is used for inserting a lead connected with the battery voltage monitoring controller;
a plurality of contact terminals as described above, the plurality of contact terminals being inserted into the plurality of insertion holes one-to-one; the abutting section of the contact terminal is used for abutting with the stack bipolar plate; the connecting section of the contact terminal is used for being connected with the battery voltage monitoring controller through a lead; and
the limiting pin is inserted into the connector main body and extends into the jack to be abutted against the contact terminal so as to limit the contact terminal to move along the length direction of the contact terminal;
the contact terminal includes:
a terminal body having a first end and a second end disposed opposite to each other;
the abutting section is connected with the first end of the terminal body and provided with an elastic abutting part for abutting against the stack bipolar plate; and
and the connecting section is connected with the second end of the terminal body and is used for being connected with the battery voltage monitoring controller through a lead.
In one embodiment, a first limiting groove is arranged at one end of the connector main body, which faces away from the stack bipolar plate, and the first limiting groove is arranged close to the jack;
the limiting pin is inserted into the first limiting groove and the jack and is abutted against the elastic abutting part of the contact terminal.
In one embodiment, the contact terminal is provided with an extension arm, and the limit pin comprises a limit pin body, and a plurality of stop arms, a clamping arm and a limit arm which are arranged on one side of the limit pin body;
the stop arms are inserted into the jack holes one by one and abutted against the extending arms of the contact terminals one by one;
the first limiting groove comprises a first sub-slot and a second sub-slot, the number of the limiting arms is two, the two limiting arms are respectively inserted into the first sub-slot and the second sub-slot and respectively attached to two side walls of adjacent edges of the first sub-slot and the second sub-slot so as to limit the limiting pin to move along the width direction of the connector main body;
the quantity of joint arm is two, two the joint arm divide to locate two the both sides of spacing arm are inserted respectively and are located in first sub-slot and the sub-slot of second, the tip of joint arm is equipped with the trip, cell wall in first sub-slot and the sub-slot of second corresponds the position of trip is equipped with the draw-in groove, two the trip of joint arm is blocked respectively in the draw-in groove in first sub-slot and the sub-slot of second, in order to restrict the spacer pin is followed the length direction of connector main part removes.
In one embodiment, the stack bipolar plate is provided with an embedding arm, and a retaining groove is arranged on the embedding arm;
the electric connector further comprises a stop pin, a second limiting groove is formed in the connector main body, and the stop pin is inserted into the second limiting groove and extends into the backstop grooves of the plurality of galvanic pile bipolar plates so as to limit the galvanic pile bipolar plates to move along the direction departing from the contact terminals.
In one embodiment, the stop pin comprises a first side plate and a second side plate connected with the first side plate, the second side plate is inserted into the stop groove from the second limit groove, and the first side plate covers a notch of the second limit groove;
stop the lateral wall epirelief of round pin and be equipped with the convex part, the second spacing inslot corresponds the position of convex part is formed with the locating hole, the convex part card is gone into in the locating hole, in order to restrict stop the round pin edge the length direction and the width direction of connector main part remove.
In order to achieve the above object, the present invention also provides a controller assembly, which includes:
a battery voltage monitoring controller;
the electric connector is the electric connector, and the connecting section of the contact terminal of the electric connector is connected with the battery voltage monitoring controller through a lead; and
the bipolar plates are provided with embedded arms, each embedded arm is provided with a retaining groove, the embedded arms of the bipolar plates are inserted into the jacks of the electric connector one by one, the embedded arms are abutted against the contact terminals of the electric connector, and the retaining pins of the electric connector are inserted into the second limiting grooves of the electric connector and extend into the retaining grooves so as to limit the movement of the bipolar plates;
the electrical connector includes:
the connector main body is provided with a plurality of jacks, each jack is provided with a first side and a second side which are arranged oppositely, the first side of each jack is used for inserting and fixing the bipolar plate of the stack, and the second side of each jack is used for inserting a lead connected with the battery voltage monitoring controller;
a plurality of contact terminals as described above, the plurality of contact terminals being inserted into the plurality of insertion holes one-to-one; the abutting section of the contact terminal is used for abutting with the stack bipolar plate; the connecting section of the contact terminal is used for being connected with the battery voltage monitoring controller through a lead; and
and the limiting pin is inserted into the connector main body and extends into the jack to be abutted with the contact terminal so as to limit the contact terminal to move along the length direction of the contact terminal.
The technical scheme of the utility model, because this contact terminal's terminal body has relative first end and the second end that sets up, the butt section is connected with the first end of terminal body, the butt section is equipped with elasticity butt portion, so as to be used for with pile bipolar plate butt, the linkage segment is connected with the second end of terminal body, so as to be used for being connected with battery voltage monitoring controller through the wire, contact terminal and pile bipolar plate's area of contact has been increased through setting up elasticity butt portion, make contact terminal's steadiness can promote, and then the connection stability of electric connector has been promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 an embodiment of an electrical connector and a stack bipolar plate connected thereto according to the present invention;
FIG. 2 is an exploded view of an embodiment of an electrical connector and stack bipolar plates connected thereto according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a contact terminal according to the present invention;
FIG. 4 is a side view of an embodiment of an electrical connector and stack bipolar plate connected thereto according to the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
fig. 6 is an exploded view of the connector body, the limiting pin and the stop pin according to an embodiment of the present invention;
fig. 7 is an exploded view of the connector body, the limiting pin and the stop pin from another perspective in an embodiment of the electrical connector of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Terminal body | 210 | Elastic abutting |
|
| 200 | |
11 | Conducting |
|
| 300 | Connecting |
200a | Through hole | |
| 201 | | 300a | Interface | |
| 301 | Extending |
10 | |
|
| 20 | |
30 | |
|
| | Jack hole | 10b | |
|
| 31 | |
32 | |
|
| 33 | Clamping |
34 | Limiting arm | |
| 10b1 | First sub slot | 10b2 | |
|
| 40 | |
20b | |
|
| 41 | |
42 | |
|
| 401 | Convex part | 1 | |
|
| 2 | Electric pile |
21a | Retaining groove |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 any creative effort belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, a bipolar plate of a hydrogen fuel Cell stack and a Cell Voltage Monitoring (CVM) controller are mainly connected by an electrical connector, and during connection, the bipolar plate is inserted into the electrical connector, and signals or electric energy are transmitted to a CVM controller through an electric wire to perform data and energy conversion.
In some exemplary technologies, an electrical connector generally employs two metal sheet clamping type contact terminals, the clamping force of the contact terminals is weak, stack bipolar plates are affected by temperature when stacked and used in high and low temperature environments, the deformation degree of each bipolar plate caused by thermal expansion and cold contraction is different, and the distance between the bipolar plates is also different, so that the connection stability of the contact terminals of such a structure is poor.
In order to improve the connection stability of the contact terminal and avoid the disconnection of the electric connector, the utility model provides a contact terminal is applicable to various electric connectors, especially connects the electric connector of hydrogen fuel cell stack bipolar plate and battery voltage monitoring controller, and is not limited here.
Referring to fig. 1 to 3, in an embodiment, the contact terminal 20 is applied to an electrical connector 1, the electrical connector 1 includes a connector body 10 and a limit pin 30 inserted on the connector body 10, the contact terminal 20 is inserted in the connector body 10 and is limited and fixed by the limit pin 30, and the electrical connector 1 is used for connecting a stack bipolar plate 2 with a battery voltage monitoring controller (not shown, connected with the electrical connector 1 through a lead 11). Referring mainly to fig. 3, the contact terminal 20 includes a terminal body 100, an abutting section 200 and a connecting section 300, the terminal body 100 having a first end and a second end disposed oppositely; the abutting section 200 is connected with the first end of the terminal body 100, and the abutting section 200 is provided with an elastic abutting part 210 for abutting against the stack bipolar plate 2; the connection segment 300 is connected with a second end of the terminal body 100 for connection with a battery voltage monitoring controller through a wire 11.
In this embodiment, the contact terminal 20 may be made of a metal material with good conductivity and high connection strength, which is not limited herein. The contact terminals 20 may be arranged in a strip shape as a whole for easy assembly, and the shape thereof is not limited herein.
The elastic abutting portion 210 may be an arc-shaped metal elastic sheet integrally formed with the abutting section 200, or an elastic metal piece fixed to the abutting section 200 by welding or the like, which is not limited herein.
The terminal body 100, the abutting section 200 and the connecting section 300 of the contact terminal 20 may be integrally formed metal pieces, or a plurality of separate metal pieces may be connected and fixed together by welding or the like, and this is not limited herein.
It can be understood that the utility model discloses a terminal body 100 with this contact terminal 20 is equipped with the relative first end and the second end that sets up, butt section 200 is connected with the first end of terminal body 100, butt section 200 is equipped with elasticity butt portion 210, so as to be used for with pile bipolar plate 2 butt, linkage segment 300 is connected with the second end of terminal body 100, so as to be used for being connected with battery voltage monitoring controller through wire 11, contact terminal 20 has been increased with pile bipolar plate 2's area of contact through setting up elasticity butt portion 210, make contact terminal 20's steadiness promote, and then electric connector 1's connection stability has been promoted.
In order to increase the contact area between the contact terminal 20 and the stack bipolar plate 2 and further increase the connection strength therebetween, in an embodiment, referring to fig. 3, a through hole 200a is disposed on the abutting section 200, an extension arm 201 is disposed on a hole wall of the through hole 200a near one side of the terminal body 100 and extends along a direction back to the connecting section 300 to form the elastic abutting section 210, the extension arm 201 is disposed in an arc shape, and the extension arm 201 is used for abutting against a sidewall of the stack bipolar plate 2.
Referring to fig. 3, in one embodiment, an end of the connection segment 300 opposite to the terminal body 100 is provided with a socket 300a for inserting a wire 11 for connection with a battery voltage monitoring controller. So arranged, the connection efficiency of the contact terminals 20 with the wires 11 is facilitated.
In this embodiment, the number of the insertion ports 300a may be one or more, or may be two or more channels branched after extending a distance from one insertion channel, so as to facilitate wiring. In addition, after the two conductors of the wire 11 are respectively inserted into the two insertion ports 300a, the two conductors can be fixed by welding (as shown in fig. 3, an avoiding port can be formed on one side of the pipe wall of the insertion channel to facilitate threading and welding of the wire, etc.), so as to prevent the wire 11 from falling off, and further improve the connection strength between the contact terminal 20 and the wire 11.
Further, in order to prevent the contact terminal 20 from moving from the electrical connector 1, in some embodiments, referring to fig. 3, the connection segment 300 of the contact terminal 20 is provided with an extending arm 301, the extending arm 301 is bent and extended from one side of the connection segment 300 toward the thickness direction thereof, and the extending arm 301 is configured to abut against the stopper pin 30 to limit the movement of the contact terminal 20 along the length direction thereof. With this arrangement, the assembling stability of the contact terminal 20 is greatly improved.
The utility model discloses still provide an electric connector 1, refer to fig. 1 and fig. 2, this electric connector 1 is used for connecting pile bipolar plate 2 and battery voltage monitoring controller (not shown in the figure, be connected with electric connector 1 through wire 11), electric connector 1 includes connector main body 10, a plurality of contact terminal 20 and spacer pin 30, combine fig. 4 to fig. 7, connector main body 10 has seted up a plurality of jacks 10a, jack 10a has relative first side and the second side that sets up, the first side of jack 10a is used for supplying pile bipolar plate 2 to peg graft fixedly, the second side of jack 10a is used for supplying the wire 11 of connecting battery voltage monitoring controller to insert; the plurality of contact terminals 20 are the contact terminals 20 as described above, and the plurality of contact terminals 20 are inserted into the plurality of insertion holes 10a one-to-one; the abutment section 200 of the contact terminal 20 is used to abut against the stack bipolar plate 2; the connection section 300 of the contact terminal 20 is used for connecting with a battery voltage monitoring controller through a wire 11; the number of the limiting pins 30 may be two, and the two limiting pins 30 are respectively inserted into the connector main body 10 and extend into the insertion holes 10a to abut against the contact terminals 20, so as to limit the contact terminals 20 to move along the length direction thereof.
The connector body 10 may be a plastic part or a plurality of plastic parts assembled together, the connector body 10 forms the plurality of insertion holes 10a, the plurality of insertion holes 10a may be arranged in one or more rows, the number of the insertion holes 10a in each row may be one or more, so as to allow the plurality of contact terminals 20 to be embedded, the insertion holes 10a may be arranged in a through manner, one end of each insertion hole is used for inserting the contact terminal 20 and the lead wire 11 connected thereto, and the other end of each insertion hole is used for inserting the connection end of the stack bipolar plate 2, so as to allow the connection end to be abutted against and conducted with the elastic abutting portion 210 of the contact terminal 20.
In this embodiment, the contact terminal 20 may be a metal conductor with certain conductive performance, and may be disposed in a strip shape, and the contact terminal 20 is embedded and fixed in the insertion hole 10 a.
In this embodiment, the stack bipolar plate 2 may be inserted and fixed on the connector main body 10 through the limiting pin 30, the limiting pin 30 may be a common plug pin, or may be a specific structure designed according to the shapes of the connector main body 10 and the contact terminal 20, etc. to meet the requirement of connection strength, the material of the limiting pin 30 may be plastic, or may be a component of metal and plastic, where the specific structure and the material of the limiting pin 30 are not limited.
It should be noted that the insertion holes 10a of the connector body 10 may be designed according to the actual requirements, and each insertion hole 10a may be designed to allow a plurality of stack bipolar plates 2 to be inserted and fixed therein, and for the convenience of assembly, it is usually configured that one insertion hole 10a is configured to allow a plurality of stack bipolar plates 2 to be inserted therein.
It can be understood that, in the technical solution of the present invention, because the electrical connector 1 includes the connector main body 10, the plurality of contact terminals 20 and the spacing pin 30, the connector main body 10 is provided with a plurality of insertion holes 10a, the insertion holes 10a have a first side and a second side which are oppositely disposed, the first side of the insertion hole 10a is used for inserting and fixing the power supply stack bipolar plate 2, and the second side of the insertion hole 10a is used for inserting the lead wire 11 connected with the battery voltage monitoring controller; the plurality of contact terminals 20 are the contact terminals 20 as described above, and the plurality of contact terminals 20 are inserted into the plurality of insertion holes 10a one-to-one; the abutment section 200 of the contact terminal 20 is used to abut against the stack bipolar plate 2; the connection section 300 of the contact terminal 20 is used for connecting with a battery voltage monitoring controller through a wire 11; the spacing pin 30 is inserted into the connector body 10 and extends into the insertion hole 10a to abut against the contact terminal 20, so as to limit the contact terminal 20 to move along the length direction thereof, thereby improving the stability of the contact terminal 20 and the connection stability of the electrical connector 1.
In order to improve the stability of the contact terminal 20 and prevent the contact terminal from moving and shaking in the insertion hole 10a to affect signal transmission, in an embodiment, with reference to fig. 5 to 7, a first limiting groove 10b is disposed at an end of the connector main body 10 facing away from the stack bipolar plate 2, and the first limiting groove 10b is disposed near the insertion hole 10 a; the stopper pin 30 is inserted into the first stopper groove 10b and the insertion hole 10a and abuts against the elastic abutting portion 210 of the contact terminal 20.
Further, referring to fig. 3, the contact terminal 20 is provided with an extending arm 301, and with reference to fig. 5 to 7, the limit pin 30 includes a limit pin body 31, and a plurality of stop arms 32, a clamping arm 33 and a limit arm 34 which are arranged on one side of the limit pin body 31; the plurality of stopper arms 32 are inserted into the plurality of insertion holes 10a one-to-one and abut against the extending arms 301 of the plurality of contact terminals 20 one-to-one; the first limiting groove 10b comprises a first sub-slot 10b1 and a second sub-slot 10b2, the number of the limiting arms 34 is two, and the two limiting arms 34 are respectively inserted into the first sub-slot 10b1 and the second sub-slot 10b2 and respectively attached to two side walls of adjacent sides of the first sub-slot 10b1 and the second sub-slot 10b2 so as to limit the limiting pin 30 to move along the width direction of the connector body 10; the number of the clamping arms 33 is two, the two clamping arms 33 are respectively arranged at two sides of the two limiting arms 34 and are respectively inserted into the first sub-slot 10b1 and the second sub-slot 10b2, a clamping hook is arranged at the end of each clamping arm 33, clamping grooves are formed in positions, corresponding to the clamping hooks, of groove walls in the first sub-slot 10b1 and the second sub-slot 10b2, clamping hooks of the two clamping arms 33 are respectively clamped into the clamping grooves in the first sub-slot 10b1 and the second sub-slot 10b2, and therefore the limiting pin 30 is limited to move along the length direction of the connector body 10.
In one embodiment, referring to fig. 2, the stack bipolar plate 2 has an embedded arm provided with a retaining groove 21 a; referring to fig. 5 to 7, the electrical connector 1 further includes a stop pin 40, the connector body 10 further has a second limiting groove 20b, and the stop pin 40 is inserted into the second limiting groove 20b and extends into the stopping grooves 21a of the plurality of stack bipolar plates 2 to limit the stack bipolar plates 2 from moving in a direction away from the contact terminals 20. So set up, made things convenient for and connected galvanic pile bipolar plate 2 and electric connector 1, improved the bipolar steadiness of galvanic pile, promoted connection stability.
In order to avoid the separation between the stop pin 40 and the connector main body 10 to improve the connection strength thereof, in an embodiment, referring mainly to fig. 6, the stop pin 40 may include a first side plate 41 and a second side plate 42 connected to the first side plate 41, the second side plate 42 is inserted into the stopping groove 21a from the second limiting groove 20b, and the first side plate 41 is covered on the notch of the second limiting groove 20 b; a protrusion 401 is convexly disposed on a sidewall of the stop pin 40, a positioning hole is formed in the second limiting groove 20b corresponding to the protrusion 401, and the protrusion 401 is inserted into the positioning hole to limit the stop pin 40 from moving along the length direction and the width direction of the connector body 10.
The utility model also provides a controller subassembly, this controller subassembly include battery voltage monitoring control ware (not shown in the figure), electric connector 1 and pile bipolar plate 2, and the concrete structure of this electric connector 1 refers to above-mentioned embodiment, because the utility model provides a controller subassembly includes all schemes of all embodiments of above-mentioned electric connector 1, consequently, have at least with the same technological effect of electric connector 1, the explanation differs here.
In the present embodiment, referring to fig. 1 to 3, the connection section 300 of the contact terminal 20 of the electrical connector 1 is connected to the battery voltage monitoring controller through the wire 11; the number of the stack bipolar plates 2 is multiple, each stack bipolar plate 2 has an embedding arm, each embedding arm is provided with a retaining groove 21a, and with reference to fig. 4 to 7, the embedding arms of the stack bipolar plates 2 are inserted into the insertion holes 10a of the electric connector 1 one by one, the side wall of each embedding arm is abutted against the contact terminal 20 of the electric connector 1, and the retaining pin 40 of the electric connector 1 is inserted into the second limiting groove 20b of the electric connector 1 and extends into the retaining groove 21a to limit the movement of the stack bipolar plates 2.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A contact terminal is applied to an electric connector, the electric connector comprises a connector main body and a limiting pin inserted on the connector main body, the contact terminal is inserted in the connector main body and is limited and fixed through the limiting pin, the electric connector is used for connecting a stack bipolar plate and a battery voltage monitoring controller, and the contact terminal is characterized by comprising:
a terminal body having a first end and a second end disposed opposite to each other;
the abutting section is connected with the first end of the terminal body and provided with an elastic abutting part for abutting against the stack bipolar plate; and
and the connecting section is connected with the second end of the terminal body and is used for being connected with the battery voltage monitoring controller through a lead.
2. The contact terminal of claim 1, wherein a through hole is formed in the abutting section, an extending arm is extended from a hole wall of the through hole on a side close to the terminal body in a direction away from the connecting section to form the elastic abutting portion, the extending arm is configured in an arc shape, and the extending arm is configured to abut against a side wall of the stack bipolar plate.
3. The contact terminal of claim 2, wherein an end of the connecting section facing away from the terminal body is provided with a socket for insertion of a wire for connection with the battery voltage monitoring controller.
4. The contact terminal of claim 3, wherein the connecting section of the contact terminal is provided with an extending arm, the extending arm is bent and extended from one side of the connecting section towards the thickness direction of the connecting section, and the extending arm is used for abutting against the limiting pin so as to limit the movement of the contact terminal along the length direction of the contact terminal.
5. An electrical connector for connecting a stack bipolar plate to a cell voltage monitoring controller, the electrical connector comprising:
the connector main body is provided with a plurality of jacks, each jack is provided with a first side and a second side which are arranged oppositely, the first side of each jack is used for inserting and fixing the bipolar plate of the stack, and the second side of each jack is used for inserting a lead connected with the battery voltage monitoring controller;
a plurality of contact terminals according to any one of claims 1 to 4, the plurality of contact terminals being inserted into the plurality of insertion holes one by one; the abutting section of the contact terminal is used for abutting with the stack bipolar plate; the connecting section of the contact terminal is used for being connected with the battery voltage monitoring controller through a lead; and
and the limiting pin is inserted into the connector main body and extends into the jack to be abutted with the contact terminal so as to limit the contact terminal to move along the length direction of the contact terminal.
6. The electrical connector of claim 5, wherein the connector body has a first retaining groove at an end facing away from the stack bipolar plate, the first retaining groove being disposed adjacent to the receptacle;
the limiting pin is inserted into the first limiting groove and the jack and is abutted against the elastic abutting part of the contact terminal.
7. The electrical connector of claim 6, wherein the contact terminal is provided with an extending arm, and the limit pin comprises a limit pin body, and a plurality of stop arms, a clamping arm and a limit arm which are arranged on one side of the limit pin body;
the stop arms are inserted into the jack holes one by one and abutted against the extending arms of the contact terminals one by one;
the first limiting groove comprises a first sub-slot and a second sub-slot, the number of the limiting arms is two, the two limiting arms are respectively inserted into the first sub-slot and the second sub-slot and respectively attached to two side walls of adjacent edges of the first sub-slot and the second sub-slot so as to limit the limiting pin to move along the width direction of the connector main body;
the quantity of joint arm is two, two the joint arm divide to locate two the both sides of spacing arm are inserted respectively and are located in first sub-slot and the sub-slot of second, the tip of joint arm is equipped with the trip, cell wall in first sub-slot and the sub-slot of second corresponds the position of trip is equipped with the draw-in groove, two the trip of joint arm is blocked respectively in the draw-in groove in first sub-slot and the sub-slot of second, in order to restrict the spacer pin is followed the length direction of connector main part removes.
8. The electrical connector of claim 5, wherein the stack bipolar plate has an inset arm with a backstop groove thereon;
the electric connector further comprises a stop pin, a second limiting groove is formed in the connector main body, and the stop pin is inserted into the second limiting groove and extends into the backstop grooves of the plurality of galvanic pile bipolar plates so as to limit the galvanic pile bipolar plates to move along the direction departing from the contact terminals.
9. The electrical connector of claim 8, wherein the stop pin comprises a first side plate and a second side plate connected to the first side plate, the second side plate is inserted into the anti-backing groove from the second limit groove, and the first side plate covers a notch of the second limit groove;
stop the lateral wall epirelief of round pin and be equipped with the convex part, the second spacing inslot corresponds the position of convex part is formed with the locating hole, the convex part card is gone into in the locating hole, in order to restrict stop the round pin edge the length direction and the width direction of connector main part remove.
10. A controller assembly, comprising:
a battery voltage monitoring controller;
an electrical connector according to any one of claims 5 to 9, the connecting section of the contact terminal of the electrical connector being connected to the battery voltage monitoring controller by a wire; and
the bipolar plates are provided with embedded arms, retaining grooves are formed in the embedded arms, the embedded arms of the bipolar plates are inserted into the inserting holes of the electric connector one by one, the embedded arms are abutted against contact terminals of the electric connector, and retaining pins of the electric connector are inserted into second limiting grooves of the electric connector and extend into the retaining grooves to limit the bipolar plates to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083072.7U CN213905632U (en) | 2020-12-18 | 2020-12-18 | Contact terminal, electric connector and controller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023083072.7U CN213905632U (en) | 2020-12-18 | 2020-12-18 | Contact terminal, electric connector and controller assembly |
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| CN213905632U true CN213905632U (en) | 2021-08-06 |
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| CN (1) | CN213905632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563779A (en) * | 2020-12-18 | 2021-03-26 | 深圳市万联新能科技有限公司 | Contact terminal, electric connector and controller assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563779A (en) * | 2020-12-18 | 2021-03-26 | 深圳市万联新能科技有限公司 | Contact terminal, electric connector and controller assembly |
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