CN219067299U

CN219067299U - DC connector

Info

Publication number: CN219067299U
Application number: CN202320078763.2U
Authority: CN
Inventors: 李晓峰; 李伟; 郑翠红; 赵惠民
Original assignee: Beijing Kenaite Technology Co ltd; Beijing Dynamic Power Co Ltd
Current assignee: Beijing Kenaite Technology Co ltd; Beijing Dynamic Power Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-23
Anticipated expiration: 2033-01-10

Abstract

The application discloses a direct current connector relates to the technical field of power technology, and the direct current connector in the application comprises a negative electrode copper bar component, a positive electrode copper bar component and a shell, wherein a placing cavity is formed in the shell, and the negative electrode copper bar component and the positive electrode copper bar component are sequentially overlapped and arranged in the placing cavity; the negative electrode copper bar assembly comprises a negative electrode copper bar, and a negative electrode input terminal and a negative electrode output terminal are respectively arranged at two ends of the negative electrode copper bar; the positive copper bar assembly comprises a positive copper bar, wherein one end, close to the negative input terminal, of the positive copper bar is provided with a positive input terminal, and one end, close to the negative output terminal, of the positive copper bar is provided with a positive output terminal and a working place access terminal. The direct current connector in the application has direct current transmission and work place access functions simultaneously, occupies smaller space, and effectively reduces the overall cost of the power supply system.

Description

DC connector

Technical Field

The application relates to the technical field of power technology, in particular to a direct current connector.

Background

The embedded power supply system is embedded in the integrated communication cabinet, provides power supply equipment for providing direct-current basic electric energy for communication and data equipment in the integrated communication cabinet, has certain universality, and is a safe, reliable and high-performance power supply system. Generally, the input of the embedded power supply is 220v or 380v alternating current, the output is 48v direct current or +24v direct current, and the embedded power supply is primary power supply equipment.

With the deployment and promotion of 5G base station power supply, embedded power supply systems are developed towards small-volume, high-density and flexible expansion. The embedded power supply system is provided with a direct current connecting terminal for expanding a direct current power distribution unit or a rectification expansion unit; and a working ground terminal is also needed to meet the access requirement of the 70-square ground wire.

Currently, a separate dc connector is used in the embedded power system of the related art to connect the extension unit, and a separate working ground connector is connected to the 70-side ground line. The negative electrode copper bar and the positive electrode copper bar of the direct current connector respectively use one positioning block, and the two positioning blocks are arranged in two independent cavities in parallel, so that the dimension of the connector in the width direction is larger easily, more space of the embedded power supply system is occupied, and more output branches cannot be configured.

Disclosure of Invention

In order to solve the problem that the direct current connector and the working ground connector occupy a large space of a power system, the application provides the direct current connector.

The application provides a direct current connector, adopts following technical scheme:

the direct current connector comprises a negative copper bar assembly, a positive copper bar assembly and a shell, wherein a placing cavity is formed in the shell, and the negative copper bar assembly and the positive copper bar assembly are sequentially overlapped and arranged in the placing cavity;

the negative electrode copper bar assembly comprises a negative electrode copper bar, and a negative electrode input terminal and a negative electrode output terminal are respectively arranged at two ends of the negative electrode copper bar;

the positive electrode copper bar assembly comprises a positive electrode copper bar, a positive electrode input terminal is arranged at one end, close to the negative electrode input terminal, of the positive electrode copper bar, and a positive electrode output terminal and a working ground access terminal are arranged at one end, close to the negative electrode output terminal, of the positive electrode copper bar.

Through adopting above-mentioned technical scheme, negative pole copper bar and anodal copper bar stack in proper order in a cavity, replaced original arranging form of arranging in two independent cavities side by side, be favorable to the installation. The end part of the positive copper bar is provided with the positive output terminal and the working place access terminal simultaneously, so that the connector has direct current transmission and the working place access function simultaneously, and more connectors are not required to be configured for working place access, thereby reducing the size of the connector in the width direction, occupying smaller space and effectively reducing the overall cost of a power supply system.

Optionally, two sides of one end of the shell, close to the positive electrode input terminal and the negative electrode input terminal, are respectively provided with a first opening and a second opening, the first opening is positioned at the upper end of the second opening, and the first opening and the second opening are separated by a partition plate;

the first opening and the second opening are communicated with the placing cavity, the positive input terminal is located at the first opening and faces one side of the shell, and the negative input terminal is located at the second opening and faces the other side of the shell.

Through adopting above-mentioned technical scheme, separate anodal copper bar and negative pole copper bar through the division board, wherein, the tip of anodal copper bar extends to first opening part, and the tip of negative pole copper bar extends to second opening part for dislocation layer about anodal input terminal and the negative pole input terminal, mutually noninterfere, thereby improved electrical power generating system's stability.

Optionally, the positive electrode copper bar comprises a positive electrode first copper bar and a positive electrode second copper bar, and the positive electrode first copper bar and the positive electrode second copper bar are riveted with each other; the positive electrode input terminal and the working ground access terminal are respectively arranged at two ends of the positive electrode second copper bar, the positive electrode input terminal penetrates through the positive electrode first copper bar, and the positive electrode output terminal is arranged at one end, close to the working ground access terminal, of the positive electrode first copper bar.

Through adopting above-mentioned technical scheme, through riveting, improved the firm in connection of anodal first copper bar and anodal second copper bar, have stronger shock-resistant and vibration-proof performance. Meanwhile, the structural form of the through-flow cross section of the copper bar is improved under the condition of smaller connector width, and large current can be generated by using smaller space.

Optionally, the negative electrode copper bar comprises a negative electrode first copper bar and a negative electrode second copper bar, and the negative electrode first copper bar and the negative electrode second copper bar are riveted with each other; the negative electrode output terminal is arranged at one end of the negative electrode first copper bar, which is close to the positive electrode output terminal, and the negative electrode input terminal is arranged at one end of the negative electrode first copper bar, which is close to the positive electrode input terminal, and penetrates through the negative electrode second copper bar.

Through adopting above-mentioned technical scheme, through the riveting improved the firm in connection of negative pole first copper bar and negative pole second copper bar reliable, have stronger shock-resistant and vibration-proof performance, improved the structural style of copper bar through-flow sectional area simultaneously under less connector width, can utilize less space to realize the heavy current.

Optionally, the positive pole copper bar with still inlay between the negative pole copper bar and be equipped with the locating piece, the locating piece is followed place chamber length direction setting, locating piece top and bottom all have the fixture block, casing up end and bottom have respectively seted up and are used for the card to establish corresponding the draw-in groove of fixture block.

Through adopting above-mentioned technical scheme, the locating piece passes through the joint realization of fixture block and draw-in groove and fixes a position anodal copper bar and negative pole copper bar simultaneously for anodal copper bar and negative pole copper bar closely inlay under the effect of locating piece and establish in the casing, and be difficult for rocking everywhere, thereby improve electrical power generating system's stability.

Optionally, the number of the negative electrode output terminals and the number of the positive electrode output terminals are all a plurality, and the plurality of negative electrode output terminals are distributed at one end of the negative electrode first copper bar at intervals along the vertical direction; the positive electrode output terminals are distributed at one end of the positive electrode first copper bar along the vertical direction.

Through adopting above-mentioned technical scheme, a plurality of output terminals can make electrical power generating system dispose more output branches, effectively reduced electrical power generating system's cost, and output terminals follow vertical direction interval distribution for can not mutual interference between the different output branches, thereby improved electrical power generating system's stability.

Optionally, a plurality of connector fixing holes are formed on a side wall of one side of the housing.

Through adopting above-mentioned technical scheme, the connector fixed orifices is used for fixing the connector on other electronic products, can reduce the electric leakage risk that the contact failure caused simultaneously.

Optionally, one end of the first copper bar of negative pole has a first bending end, and a plurality of negative pole output terminal distributes along vertical direction on the first bending end.

Through adopting above-mentioned technical scheme, a plurality of negative pole output terminal is along the direction of height interval distribution of first bending end, can not take place the interference each other.

Optionally, the one end of anodal first copper bar has the second end of buckling, the one end of anodal second copper bar has the third end of buckling, and a plurality of anodal output terminal distributes along vertical direction on the second is buckled the end, the place access terminal sets up on the third is buckled the end.

Through adopting above-mentioned technical scheme, the staggered floor around negative pole output terminal, positive pole output terminal, the access terminal of working place, arrange about, can not take place the interference each other, mutually noninterfere, improved electrical power generating system's stability.

In summary, the present application includes at least one of the following beneficial effects:

1. the negative electrode copper bars and the positive electrode copper bars are sequentially stacked in one cavity, the original arrangement mode of parallel arrangement in two independent cavities is replaced, the mounting positions of the positive electrode input terminals and the negative electrode input terminals are not overlapped, and the convenience of the mounting process is improved.

2. The end part of the positive copper bar is provided with the positive output terminal and the working place access terminal simultaneously, so that the connector has the functions of direct current transmission and working place access simultaneously, and more connectors are not required to be configured for working place access, thereby reducing the size of the connector in the width direction, occupying smaller space and effectively reducing the overall cost of a power supply system.

3. The positive electrode copper bar and the negative electrode copper bar are separated by the partition plate, so that the positive electrode input terminal and the negative electrode input terminal are staggered up and down and do not interfere with each other, and the stability of the power supply system is improved.

4. The positive electrode copper bar and the negative electrode copper bar are tightly embedded in the shell under the action of one positioning block, and are not easy to shake around, so that the stability of a power supply system is improved.

5. The anode output terminal, the cathode output terminal and the working ground access terminal are staggered from front to back, are arranged left and right, cannot interfere with each other, and improve the stability of a power supply system.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a dc connector according to an embodiment of the present application.

Fig. 2 is an exploded view of a dc connector according to an embodiment of the present application.

Fig. 3 is a schematic partial structure of a negative copper bar assembly according to an embodiment of the present application.

Fig. 4 is a schematic partial structure of a positive electrode copper bar assembly according to an embodiment of the present application.

Reference numerals illustrate: 1. a housing; 11. a placement cavity; 12. a partition plate; 13. a first opening; 14. a second opening; 15. a clamping groove; 16. a connector fixing hole; 2. a negative copper bar assembly; 21. a negative copper bar; 211. a negative electrode first copper bar; 212. a negative electrode second copper bar; 213. a negative input terminal; 214. a negative electrode output terminal; 215. a first bent end; 3. an anode copper bar assembly; 31. a positive copper bar; 311. a positive electrode first copper bar; 312. a positive electrode second copper bar; 313. a positive electrode input terminal; 314. a positive electrode output terminal; 315. a workplace access terminal; 316. a second bent end; 317. a third bending end; 4. a positioning block; 41. and (5) clamping blocks.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-4.

The embodiment of the application discloses a direct current connector, refer to fig. 1, and direct current connector includes casing 1, negative pole copper bar subassembly 2, anodal copper bar subassembly 3 and locating piece 4, and negative pole copper bar subassembly 2, locating piece 4 and anodal copper bar subassembly 3 inlay in proper order and establish in casing 1. The negative electrode copper bar assembly 2 comprises a negative electrode copper bar 21, and a negative electrode input terminal 213 and a negative electrode output terminal 214 are respectively arranged at two ends of the negative electrode copper bar 21; the positive copper bar assembly 3 includes a positive copper bar 31, one end of the positive copper bar 31 is provided with a positive input terminal 313, and the other end is provided with a positive output terminal 314 and a work place access terminal 315.

Referring to fig. 1 and 2, the housing 1 is integrally elongated, and a plurality of connector fixing holes 16 are provided on the outer sidewall of the housing 1, and specifically, in this embodiment, the number of connector fixing holes 16 is two. A placing cavity 11 is formed in the shell 1, and the negative electrode copper bar 21, the positioning block 4 and the positive electrode copper bar 31 are sequentially embedded in the placing cavity 11. Wherein, negative electrode copper bar 21 is hugged closely and is placed chamber 11 inside wall one side and sets up, and anodal copper bar 31 hugs closely and is placed chamber 11 inside wall opposite side, and locating piece 4 inlays and establishes between negative electrode copper bar 21 and anodal copper bar 31. The positioning block 4 is arranged along the length direction of the placing cavity 11, the top and the bottom of the positioning block 4 are respectively provided with a clamping block 41, and the upper end surface and the bottom of the shell 1 are respectively provided with a clamping groove 15 for clamping the corresponding clamping block 41. The positioning block 4 is fixed by the clamping action of the clamping block 41 and the clamping groove 15.

Further, referring to fig. 3, the negative electrode copper bar 21 includes a negative electrode first copper bar 211 and a negative electrode second copper bar 212, and the negative electrode first copper bar 211 and the negative electrode second copper bar 212 are overlapped and connected by rivets. Specifically, one end of the negative first copper bar 211 has a first bending end 215, and the number of negative output terminals 214 is a plurality of, and specifically, in this embodiment, the number of negative output terminals 214 is two. The two negative electrode output terminals 214 are disposed on the first bending end 215 of the negative electrode first copper bar 211, and the negative electrode input terminal 213 is disposed at one end of the negative electrode first copper bar 211 far away from the negative electrode output terminal 214 and penetrates the negative electrode second copper bar 212.

Correspondingly, referring to fig. 4, the positive electrode copper bar 31 includes a positive electrode first copper bar 311 and a positive electrode second copper bar 312, and the positive electrode first copper bar 311 and the positive electrode second copper bar 312 are overlapped and also connected by rivets. Specifically, one end of the positive first copper bar 311 has a second bending end 316, and one end of the positive second copper bar 312 near the second bending end 316 has a third bending end 317. The number of the positive electrode output terminals 314 is a plurality, and specifically, the number of the positive electrode output terminals 314 is two in this embodiment. Two positive output terminals 314 are provided on the second bending end 316 of the positive first copper bar 311, a working access terminal 315 is provided on the third bending end 317 of the positive second copper bar 312, and a positive input terminal 313 is provided at one end of the positive second copper bar 312 far from the working access terminal 315.

Further, referring to fig. 1 and 2, two sides of one end of the housing 1, which is close to the placement cavity 11, are respectively provided with a first opening 13 and a second opening 14, wherein the first opening 13 is located at an upper end, the second opening 14 is located at a lower end, the first opening 13 and the second opening 14 are both communicated with the placement cavity 11, and the first opening 13 and the second opening 14 are separated by a partition plate 12. Specifically, the negative input terminal 213 at one end of the negative second copper bar 212 extends to the second opening 14 and the negative input terminal 213 is placed toward one side of the case 1; accordingly, the positive input terminal 313 at one end of the positive first copper bar 311 extends to the first opening 13 and the positive input terminal 313 is disposed toward the other side of the case 1.

The implementation principle of the direct current connector in the embodiment of the application is as follows: the negative electrode copper bar assembly 2, the positioning block 4 and the positive electrode copper bar assembly 3 are sequentially stacked and inserted into the shell 1, and the fixation is completed. The anode copper bar 31 and the cathode copper bar 21 are distributed in a staggered layer up and down and do not interfere with each other; the negative electrode output terminal 214, the positive electrode input terminal 313, and the working ground access terminal 315 are staggered in the front-back direction and left-right direction. Therefore, the space occupied by one connector is smaller, the requirement of product transmission performance can be met, access to a working place is supported, and the system cost can be effectively reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A dc connector, characterized in that: the direct current connector comprises a shell (1), a negative copper bar assembly (2) and a positive copper bar assembly (3), wherein a placing cavity (11) is formed in the shell (1), and the negative copper bar assembly (2) and the positive copper bar assembly (3) are sequentially overlapped and placed in the placing cavity (11);

the negative electrode copper bar assembly (2) comprises a negative electrode copper bar (21), and a negative electrode input terminal (213) and a negative electrode output terminal (214) are respectively arranged at two ends of the negative electrode copper bar (21);

the positive electrode copper bar assembly (3) comprises a positive electrode copper bar (31), a positive electrode input terminal (313) is arranged at one end, close to the negative electrode input terminal (213), of the positive electrode copper bar (31), and a positive electrode output terminal (314) and a working ground access terminal (315) are arranged at one end, close to the negative electrode output terminal (214), of the positive electrode copper bar (31).

2. A dc connector as defined in claim 1, wherein: a first opening (13) and a second opening (14) are respectively formed in two sides of one end, close to the positive electrode input terminal (313) and the negative electrode input terminal (213), of the shell (1), the first opening (13) is positioned at the upper end of the second opening (14), and the first opening (13) and the second opening (14) are separated through a partition plate (12);

the first opening (13) and the second opening (14) are both communicated with the placing cavity (11), the positive electrode input terminal (313) is located at the first opening (13) and faces one side of the shell (1), and the negative electrode input terminal (213) is located at the second opening (14) and faces the other side of the shell (1).

3. A dc connector as defined in claim 1, wherein: the positive electrode copper bar (31) and the negative electrode copper bar (21) are embedded with a positioning block (4), the positioning block (4) is arranged along the length direction of the placement cavity (11), clamping blocks (41) are arranged at the top and the bottom of the positioning block (4), and clamping grooves (15) for clamping the corresponding clamping blocks (41) are respectively formed in the upper end face and the bottom of the shell (1).

4. A dc connector as defined in claim 1, wherein: the positive electrode copper bar (31) comprises a positive electrode first copper bar (311) and a positive electrode second copper bar (312), and the positive electrode first copper bar (311) and the positive electrode second copper bar (312) are riveted with each other;

the positive electrode input terminal (313) and the working ground access terminal (315) are respectively arranged at two ends of the positive electrode second copper bar (312), the positive electrode input terminal (313) penetrates through the positive electrode first copper bar (311), and the positive electrode output terminal (314) is arranged at one end, close to the working ground access terminal (315), of the positive electrode first copper bar (311).

5. A dc connector as defined in claim 4, wherein: the negative electrode copper bar (21) comprises a negative electrode first copper bar (211) and a negative electrode second copper bar (212), and the negative electrode first copper bar (211) and the negative electrode second copper bar (212) are riveted with each other;

the negative electrode output terminal (214) is arranged at one end of the negative electrode first copper bar (211) close to the positive electrode output terminal (314), and the negative electrode input terminal (213) is arranged at one end of the negative electrode first copper bar (211) close to the positive electrode input terminal (313) and penetrates through the negative electrode second copper bar (212).

6. A dc connector as defined in claim 5, wherein: optionally, the number of the negative electrode output terminals (214) and the number of the positive electrode output terminals (314) are all a plurality, and the plurality of negative electrode output terminals (214) are distributed at one end of the negative electrode first copper bar (211) at intervals along the vertical direction;

the positive electrode output terminals (314) are distributed at one end of the positive electrode first copper bar (311) along the vertical direction.

7. A dc connector as defined in claim 5, wherein: one end of the negative electrode first copper bar (211) is provided with a first bending end (215), and a plurality of negative electrode output terminals (214) are distributed on the first bending end (215) along the vertical direction.

8. A dc connector as defined in claim 5, wherein: one end of the positive electrode first copper bar (311) is provided with a second bending end (316), one end of the positive electrode second copper bar (312) is provided with a third bending end (317), a plurality of positive electrode output terminals (314) are distributed on the second bending end (316) along the vertical direction, and the working ground access terminal (315) is arranged on the third bending end (317).