Four-core high-voltage connector for new energy automobile
The new energy vehicle four-core high-voltage connector, with its innovative female terminal design and optimized structure, solves the problems of complex and costly processing of existing multi-core connector harnesses, achieving the effects of simplifying the processing flow, reducing costs, and improving safety.
Patent Information
- Application Number
- CN202511050762.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-29
- Publication Date
- 2025-11-07
AI Technical Summary
Existing multi-core connector wire harnesses have complex and costly manufacturing processes, and are prone to poor contact and short circuits. They also occupy a large space, which is not conducive to the miniaturization and lightweight design of connectors.
The innovative female terminal design allows a single connector to achieve multi-circuit connections by crimping only one cable. The interlocking pins and female terminal structure ensure that the connector cannot be powered when it is not fully inserted. The design also features an optimized structure for components such as the female housing, male housing, shielding cover, and cover plate.
It simplifies the wire harness processing flow, reduces production costs and assembly complexity, improves system compatibility and safety, avoids the risk of high-voltage arcs, and enables the miniaturization and weight reduction of connectors.
Smart Images
Figure CN120914540A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of high-voltage connectors, in particular to a four-core high-voltage connector for new energy vehicles. BACKGROUND
[0002] A high-voltage connector is a key component in the electrical system of a new energy vehicle, used to realize the transmission and distribution of high-voltage electric energy. Currently, such connectors are usually designed in a multi-core structure, for example, a seven-core connector, which needs to be crimped with seven cables to realize the connection function of multiple circuits. Such design is widely used in the fields of battery management systems and motor drive systems of new energy vehicles.
[0003] The existing multi-core connector needs to independently crimp cables in each terminal hole, resulting in a complex wiring harness processing process. Not only does this increase production costs, but it may also cause poor contact or short circuit risks due to operation errors during the crimping process. In addition, the multi-cable crimping structure occupies a large space, which is not conducive to the miniaturization and lightweight design of the connector, thereby affecting the overall layout and performance optimization of the new energy vehicle.
[0004] Therefore, in view of the problems of complex wiring harness processing process, high cost and potential safety hazards, the application provides a four-core high-voltage connector for new energy vehicles. Through innovative female terminal design and structural optimization, the connector realizes the function of crimping two cables corresponding to multiple terminals, simplifies the processing flow and reduces costs, while ensuring the reliability and safety of the connection. SUMMARY
[0005] In order to overcome the problems of complex wiring harness processing process and high cost of the existing connector, the application provides a four-core high-voltage connector for new energy vehicles.
[0006] The technical scheme of the application is as follows: a four-core high-voltage connector for new energy vehicles, comprising a female rubber shell one, a male rubber shell is arranged at the right end of the female rubber shell one, a shielding cover two is embeddedly arranged inside the left end of the male rubber shell, two shielding covers one are symmetrically arranged inside the female rubber shell one, a front cover is arranged on the surface of the two shielding covers one, two cover plates are arranged inside the two shielding covers one, a female rubber shell two is commonly arranged at one end of the two cover plates close to each other, female terminals are commonly arranged at the upper and lower ends of the female rubber shell two, a rear cover is arranged at the right end of the female rubber shell one, two interlocking female terminals and four male terminals are arranged inside the right end of the male rubber shell, a wire sealing body is arranged inside the rear cover, and a baffle is arranged inside the left end of the female rubber shell one.
[0007] Preferably, an interface sealing ring is arranged inside the female rubber shell one, the interface sealing ring is abutted against the inside of the female rubber shell one through the front cover, and a lock catch one and a lock catch two are embeddedly arranged at the upper end of the female rubber shell one.
[0008] Preferably, the two through holes of the rear cover are provided with two cables penetrating the baffle and the sealing line body, and the surfaces of the two cables are provided with shielding rings, which are arranged in the grooves of the shielding cover one.
[0009] Preferably, the right end of the female rubber shell two is internally provided with an interlocking pin, and the right end of the interlocking pin is provided with two long feet inside the interlocking female terminal.
[0010] Preferably, the surface of the male rubber shell is provided with four fixing holes, each of which is provided with a bolt, the left end of the bolt is fixedly connected with the female rubber shell three, the right end of the bolt is threadedly connected with a bushing, the right end of the male rubber shell is provided with a sealing groove, and the sealing groove of the male rubber shell is provided with a mounting plate sealing ring.
[0011] Preferably, the upper and lower ends of the female rubber shell two are provided with two limiting strips, the female terminal is arranged inside the two limiting strips, the surface of the female terminal is provided with three through holes, the upper and lower ends of the female rubber shell two are provided with three cylinders, and the through holes of the female terminal are arranged on the cylinders on the surface of the female rubber shell two.
[0012] Preferably, the right end of the two cover plates is provided with a plurality of clamping grooves one, the right end of the female rubber shell two is provided with a plurality of buckles one matched with the clamping grooves one, the two cover plates are clamped by clamping the buckles one in the clamping grooves one, the surfaces of the two shielding covers one are provided with elastic sheets, and the elastic sheets of the two shielding covers one are clamped in the grooves at the front and rear ends of the female rubber shell two.
[0013] Preferably, the upper and lower ends of the female rubber shell two are provided with a plurality of buckles two, one end of the two cover plates close to each other is provided with a clamping groove two matched with the buckles two, and the buckles two of the female rubber shell two are clamped in the clamping groove two of the cover plate.
[0014] Preferably, the front and rear ends of the female rubber shell one are provided with buckles five, the front and rear ends of the rear cover are provided with clamping grooves three matched with the buckles five, and the buckles five of the female rubber shell one are clamped in the clamping grooves three of the rear cover.
[0015] Preferably, the right end surface of the shielding cover two is provided with a plurality of buckles three and buckles four, the right end surface of the male rubber shell is provided with a clamping groove four and a clamping groove five matched with the buckles three and the buckles four, the buckles three of the shielding cover two are clamped in the clamping groove four of the male rubber shell, and the buckles four of the shielding cover two are clamped in the clamping groove five of the male rubber shell.
[0016] The beneficial effects of the present application are as follows: 1. The present application adopts an innovative female terminal design, so that only one cable needs to be crimped for a connector to realize multi-circuit connection, two end bodies of one female terminal of the present application only crimp one cable as an input end, one connector is provided with two female terminals, corresponding to four male terminals, the male connector is an output end, compared with the traditional multi-core connector, the wire harness processing process is greatly reduced, thereby reducing the production cost and the complexity of assembly.
[0017] 2. The application has the functions of one input circuit and 1-2 output circuits, can flexibly connect different electrical equipment according to actual needs, and improves the compatibility and expansibility of the system.
[0018] 3. The application ensures that the connector cannot be powered when not fully inserted through the built-in interlocking pin and female terminal structure, thereby avoiding the risk of high-voltage arc. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The overall three-dimensional structure schematic diagram of the application is shown; Figure 2 The overall explosion structure schematic diagram of the application is shown; Figure 3 The cover structure schematic diagram of the application is shown; Figure 4 The shield structure schematic diagram of the application is shown; Figure 5 The connection structure schematic diagram of the wire and the cover of the application is shown; Figure 6 The connection structure schematic diagram of the cover and the female rubber shell two of the application is shown; Figure 7 The connection structure schematic diagram of the female rubber shell one and the rear cover of the application is shown; Figure 8 The connection structure schematic diagram of the shield and the male rubber shell of the application is shown.
[0020] Marked: 1, female rubber shell one; 2, front cover; 3, shield one; 4, cover; 5, female rubber shell two; 6, interface sealing ring; 7, lock one; 8, lock two; 9, female terminal; 10, shielding ring; 11, rear cover; 12, baffle; 13, wire sealing body; 14, cable; 15, interlocking pin; 16, shield two; 17, male rubber shell; 18, fixing hole; 19, bolt; 20, female rubber shell three; 21, bushing; 22, mounting plate sealing ring; 23, interlocking female terminal; 24, male terminal; 25, limiting strip; 26, card slot one; 27, buckle one; 28, card slot two; 29, buckle two; 30, card slot three; 31, buckle three; 32, buckle four; 33, card slot four; 34, card slot five; 35, buckle five. DETAILED DESCRIPTION
[0021] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0022] Please refer to Figures 1-8 The present application provides an embodiment: a new energy vehicle four-core high-voltage connector, comprising a female shell one 1, the right end of the female shell one 1 is provided with a male shell 17, the left end of the male shell 17 is embedded with a shielding cover two 16, the inside of the female shell one 1 is symmetrically provided with two shielding covers one 3, the surface of the two shielding covers one 3 is provided with a front cover 2, the inside of the two shielding covers one 3 is provided with two cover plates 4, the end of the two cover plates 4 close to each other is commonly provided with a female shell two 5, the upper and lower ends of the female shell two 5 are commonly provided with female terminals 9, the right end of the female shell one 1 is provided with a rear cover 11, the inside of the right end of the male shell 17 is provided with two interlocking female terminals 23 and four male terminals 24, the inside of the rear cover 11 is provided with a wire sealing body 13, and the inside of the left end of the female shell one 1 is provided with a baffle 12.
[0023] The inside of the female shell one 1 is provided with an interface sealing ring 6, the interface sealing ring 6 is abutted against the inside of the female shell one 1 through the front cover 2, the upper end of the female shell one 1 is embedded with a lock catch one 7 and a lock catch two 8, and the female shell one 1 and the male shell 17 can be fixed through the lock catch one 7 and the lock catch two 8.
[0024] Two through holes of the rear cover 11 are provided with two cables 14 penetrating the baffle 12 and the wire sealing body 13, the surfaces of the two cables 14 are provided with shielding rings 10, the shielding rings 10 are arranged in the grooves of the shielding covers one 3, and the baffle 12 and the wire sealing body 13 can assist in supporting the cables 14.
[0025] The inside of the right end of the female shell two 5 is provided with an interlocking pin 15, the right end of the interlocking pin 15 is provided in the inside of the interlocking female terminal 23, the interlocking pin 15 and the interlocking female terminal 23 are interlocked, so that the connector cannot be powered when it is not completely inserted, thereby avoiding the risk of high-voltage arc.
[0026] The surface of the male shell 17 is provided with four fixing holes 18, each fixing hole 18 is provided with a bolt 19, the left end of the bolt 19 is fixedly connected with a female shell three 20, the right end of the bolt 19 is threadedly connected with a bushing 21, the right end of the male shell 17 is provided with a sealing groove, the sealing groove of the male shell 17 is provided with a mounting plate sealing ring 22, and the mounting plate sealing ring 22 can seal the inside of the connector.
[0027] The upper and lower ends of the female glue shell two 5 are provided with two limiting strips 25, the female terminal 9 is arranged in the inside of the two limiting strips 25, the surface of the female terminal 9 is provided with three through holes, the upper and lower ends of the female glue shell two 5 are provided with three cylinders, the through holes of the female terminal 9 are arranged on the cylinders of the surface of the female glue shell two 5, and the female glue shell two 5 and the female terminal 9 are fixed by being arranged on the cylinders.
[0028] The right ends of the two cover plates 4 are provided with a plurality of clamping grooves one 26, the right end of the female glue shell two 5 is provided with a plurality of buckles one 27 matched with the clamping grooves one 26, the two cover plates 4 are clamped in the clamping grooves one 26 through the buckles one 27, the surfaces of the two shielding covers one 3 are provided with elastic sheets, the elastic sheets of the two shielding covers one 3 are clamped in the grooves at the front and rear ends of the female glue shell two 5, and the female glue shell two 5 and the shielding cover one 3 are fixed by being clamped in the grooves at the front and rear ends of the female glue shell two 5.
[0029] The upper and lower ends of the female glue shell two 5 are provided with a plurality of buckles two 29, one end of the two cover plates 4 close to each other is provided with a clamping groove two 28 matched with the buckles two 29, the buckles two 29 of the female glue shell two 5 are clamped in the clamping groove two 28 of the cover plate 4, and the female glue shell two 5 and the cover plate 4 are fixed by being clamped in the clamping groove two 28.
[0030] The front and rear ends of the female glue shell one 1 are provided with buckles five 25, the front and rear ends of the rear cover 11 are provided with clamping grooves three 30 matched with the buckles five 25, the buckles two 29 of the female glue shell one 1 are clamped in the clamping grooves three 30 of the rear cover 11, and the female glue shell one 1 and the rear cover 11 are fixed by being clamped in the clamping grooves three 30.
[0031] The right end surface of the shielding cover two 16 is provided with a plurality of buckles three 31 and buckles four 32, the right end surface of the male glue shell 17 is provided with a clamping groove four 33 and a clamping groove five 34 matched with the buckles three 31 and the buckles four 32, the buckles three 31 of the shielding cover two 16 are clamped in the clamping groove four 33 of the male glue shell 17, the buckles four 32 of the shielding cover two 16 are clamped in the clamping groove five 34 of the male glue shell 17, and the shielding cover two 16 and the male glue shell 17 are fixed by being clamped in the buckles three 31 and the buckles four 32.
[0032] Firstly, the two female terminals 9 are installed at the upper and lower ends of the female rubber shell two 5, and are fixed by installing the through holes arranged on the surface of the female terminal 9 on the cylinder on the surface of the female rubber shell two 5. The two cable surface mounting shield rings 10 are installed on the two female terminals 9, and the two cables 14 are placed on the grooves of the two female terminals 9 respectively. The two cover plates 4 are installed at the upper and lower ends of the female rubber shell two 5, and the buckles one 27 of the two cover plates 4 are clamped in the clamping grooves one 26, and the buckles two 29 of the female rubber shell two 5 are clamped in the clamping grooves two 28 of the cover plate 4, so that the two cover plates 4 and the female rubber shell two 5 are fixed. The two shield shells one 3 are installed at the upper and lower ends of the two cover plates 4 respectively, and the elastic sheets at the two ends of the shield shell one 3 are clamped in the grooves at the front and rear ends of the female rubber shell two 5, so that the shield shell one 3 and the female rubber shell two 5 are fixed. The installed assembly is placed in the female rubber shell one 1, the baffle 12 is installed in the female rubber shell one 1 through the cable 14, the sealing line body 13 is installed in the rear cover 11, the rear cover 11 is installed in the left end of the female rubber shell one 1 through the cable 14, the buckles five 35 on the surface of the female rubber shell one 1 are clamped in the clamping grooves three 30 of the rear cover 11, so that the rear cover 11 and the female rubber shell one 1 are fixed. The interface sealing ring 6 is sleeved on the surface of the shield shell one 3 from the right end, the front cover 2 is sleeved on the surface of the shield shell one 3 from the right end, the interlocking pin 15 is installed in the female rubber shell two 5, the shield shell two 16 is installed in the male rubber shell 17, the buckles three 31 of the shield shell two 16 are clamped in the clamping grooves four 33 of the male rubber shell 17, and the buckles four 32 of the shield shell two 16 are clamped in the clamping grooves five 34 of the male rubber shell 17, so that the shield shell two 16 and the male rubber shell 17 are fixed. The mounting plate sealing ring 22 is installed in the groove of the male rubber shell 17, the interlocking female terminal 23 and the male terminal 24 are installed in the male rubber shell 17, the male rubber shell 17 is installed in the right end of the female rubber shell one 1, and the male rubber shell 17 and the female rubber shell one 1 are fixed through the lock buckle one 7 and the lock buckle two 8. At this time, the interlocking female terminal 23 is locked with the interlocking pin 15. The bolt 19 is installed in the fixing hole 18 of the male rubber shell 17, and the male rubber shell 17 and the female rubber shell three 20 are installed on the bolt 19, and the installation is completed.
[0033] Through the above steps, the female terminal design of the present application is improved, so that a connector only needs to be crimped with one cable to realize the connection of multiple circuits. Two end bodies of one female terminal of the present application are only crimped with one cable as an input end. One connector is provided with two female terminals, and four male terminals 24 are correspondingly provided. The male connector is an output end. Compared with the traditional multi-core connector, the wire harness processing process is greatly reduced, thereby reducing the production cost and the complexity of assembly, so as to solve the problems of complex wire harness processing technology and high cost of the existing connector.
[0034] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the disclosed technical content into equivalent embodiments with equivalent changes, and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical solution of the present application, still falls within the protection scope of the present application.
Claims
1. A four-core high-voltage connector for new energy vehicles, characterized in that: The utility model provides a double -sided connector, including female shell one (1), the right end of female shell one (1) is provided with male shell (17), the left end inside of male shell (17) is embedded and is provided with shield cover no.
2. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The inside of female shell one (1) is provided with two shield cover one (3) symmetry, the surface of two shield cover one (3) is provided with front cover (2), the inside of two shield cover one (3) is provided with two cover plate (4), the end of two cover plate (4) close to each other is commonly provided with female shell two (5), the upper and lower ends of female shell two (5) are commonly provided with female terminal (9) through commonly, the right end of female shell one (1) is provided with rear cover (11), the inside of male shell (17) is provided with two interlocking female terminal (23) and four male terminal (24) in the right end, the inside of rear cover (11) is provided with seal line body (13), the left end inside of female shell one (1) is provided with baffle (12).
3. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The inside of female shell one (1) is provided with interface seal ring (6), interface seal ring (6) is through front cover (2) and leans against the inside of female shell one (1), the upper end of female shell one (1) is embedded and is provided with lock catch one (7) and lock catch two (8).
4. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: Two through holes of rear cover (11) are provided with two cables (14) that pass through baffle (12) and seal line body (13), the surface of two cables (14) is provided with shield ring (10), shield ring (10) is arranged in the recess of shield cover one (3).
5. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The inside of female shell two (5) is provided with interlocking pin (15) in the right end, the right end two long feet of interlocking pin (15) are arranged in the inside of interlocking female terminal (23).
6. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The surface of male shell (17) is provided with four fixing holes (18), each fixing hole (18) is provided with bolt (19), the left end of bolt (19) is fixedly connected with female shell three (20), the right end of bolt (19) is threadedly connected with bushing (21), the right end of male shell (17) is provided with sealing groove, the sealing groove of male shell (17) is provided with mounting plate seal ring (22).
7. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The upper and lower ends of female shell two (5) are provided with two limit strips (25), female terminal (9) is arranged in the inside of two limit strips (25), the surface of female terminal (9) is provided with three through holes, the upper and lower ends of female shell two (5) are provided with three cylinders, the through hole of female terminal (9) is arranged on the cylinder of the surface of female shell two (5).
8. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The right end of two cover plate (4) is provided with a plurality of clamping grooves one (26), the right end of female shell two (5) is provided with a plurality of clamping clamps one (27) of adaptive clamping grooves one (26), two cover plate (4) are through clamping clamps one (27) and are clamped in clamping grooves one (26), the surface of two shield cover one (3) is provided with spring piece, the spring piece of two shield cover one (3) is clamped in the groove of the front and rear ends of female shell two (5). The upper and lower ends of female shell two (5) are provided with a plurality of clamping clamps two (29), the end close to each other of two cover plate (4) is provided with clamping grooves two (28) of adaptive clamping clamps two (29), the clamping clamps two (29) of female shell two (5) are clamped in the clamping grooves two (28) of cover plate (4).
9. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The front and rear ends of the female glue shell one (1) are provided with buckles five (35), the front and rear ends of the rear cover (11) are provided with clamping grooves three (30) matched with the buckles five (35), and the buckles five (35) of the female glue shell one (1) are clamped in the clamping grooves three (30) of the rear cover (11).
10. The new energy vehicle four-core high-voltage connector according to claim 1, characterized in that: The right end surface of the shielding cover two (16) is provided with a plurality of buckles three (31) and buckles four (32), the right end surface of the male glue shell (17) is provided with clamping grooves four (33) and clamping grooves five (34) matched with the buckles three (31) and the buckles four (32), the buckles three (31) of the shielding cover two (16) are clamped in the clamping grooves four (33) of the male glue shell (17), and the buckles four (32) of the shielding cover two (16) are clamped in the clamping grooves five (34) of the male glue shell (17).