CN216563647U

CN216563647U - Wiring terminal used in high-current environment in compressor

Info

Publication number: CN216563647U
Application number: CN202123132383.2U
Authority: CN
Inventors: 王位强; 林记亮
Original assignee: Suzhou Zhongcheng New Energy Technology Co ltd
Current assignee: Suzhou Zhongcheng New Energy Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-17
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a wiring terminal used in a compressor in a high-current environment, which comprises: the two sides of the terminal board are a first plane part and a second plane part which are parallel to each other, the terminal board can isolate the working cavity from the circuit cavity, and the thickness of the terminal board is 5.8-6.2 mm; the electric compressor comprises binding posts, one ends of the binding posts are electrically connected with a working cavity of the compressor, the other ends of the binding posts are electrically connected with an electric control cavity of the circuit board, the binding posts are arranged at intervals along the first direction, and the diameters of the binding posts are 5.6-6.0 mm. The utility model ensures that the binding post has better current tolerance capability and avoids the binding post from being damaged. In addition, can make the terminal block can bear bigger packing force, avoid the condition that the refrigerant in the working chamber that leads to because the terminal block damages flows into the electric control chamber for the current endurance and the security performance of binding post under heavy current environment are better.

Description

Wiring terminal used in high-current environment in compressor

Technical Field

The utility model relates to the field of automobile line connection, in particular to a wiring terminal used in a high-current environment in a compressor.

Background

In the internal structure of the automobile, the connecting terminal is a structure which can realize the communication between the working cavity of the compressor and the electric control cavity of the circuit board, and the connecting terminal is arranged between the working cavity of the compressor and the electric control cavity of the circuit board, so that the terminal board can also have the effect of isolating the working cavity of the compressor from the electric control cavity of the circuit board. In the prior art, the thickness of a terminal plate in a terminal block is generally 4mm, the diameter of a terminal post on the terminal plate is generally 3.2mm, when a compressor is matched with an automobile electric control system, the voltage of the compressor is generally 100-500V, and under the high power requirement, the current in the compressor is maintained at 40-50A. With the development of the automobile industry, a low-voltage environment such as 24V or 48V is required to be generated on some commercial vehicles, and under the condition of meeting the requirement of high power, the current in the commercial vehicles is very high, so that the wiring terminal is damaged in the actual use process. In addition, the terminal block compresses tightly when need lie in to communicate between working chamber and the automatically controlled chamber, and the terminal block often can receive the damage among the current binding post to make the refrigerant in the working chamber flow into the automatically controlled chamber, make binding post current endurance ability and security performance under the heavy current environment relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a connecting terminal used in a high-current environment in a compressor, which is used for solving the problems of poor current tolerance and poor safety performance of the connecting terminal in the high-current environment.

The embodiment of the application discloses: a terminal for use in a high current environment within a compressor, comprising: the terminal plate extends along a first direction, a first plane part and a second plane part which are parallel to each other are arranged on two sides of the terminal plate, the first plane part and the second plane part are respectively abutted with a working cavity of a compressor and an electric control cavity of a circuit board, the terminal plate can isolate the working cavity from the circuit cavity, and the thickness of the terminal plate is 5.8-6.2 mm; the wiring terminal extends in the thickness direction of the terminal board and penetrates through the terminal board, two ends of the wiring terminal are respectively located on two sides of the terminal board, one end of the wiring terminal is electrically connected with a working cavity of the compressor, the other end of the wiring terminal is electrically connected with an electric control cavity of the circuit board, the wiring terminals are arranged at intervals in the first direction, and the diameter of the wiring terminal is 5.6-6.0 mm.

Further, the terminal plate and the terminal post are both made of 45-gauge steel.

Furthermore, the outer sides of the terminal plate and the binding post are both provided with a nickel plating layer, and the thickness of the nickel plating layer is 1.8-2.2 mm.

Further, a sealing ceramic is disposed between the terminal block and the terminal plate, and the sealing ceramic can isolate both sides of the terminal plate.

Further, the cross-sectional shape of the post in a direction perpendicular to the extending direction thereof is circular.

Further, the terminal post has a transition portion rounded from an end thereof adjacent to the compressor to a side wall thereof.

Furthermore, one end, close to the circuit board, of each wiring terminal is fixedly connected with a welding sheet, and two welding sheets are correspondingly arranged on the side wall of each wiring terminal.

Further, the first plane part and the second plane part are both provided with a sealing gasket in an abutting mode, and the wiring terminal is sleeved on the sealing gasket.

The utility model has the following beneficial effects:

under the heavy current environment for the terminal can have better electric current endurance, avoids the terminal to take place to damage. In addition, through the thickening to the terminal board, can make the terminal board can bear bigger packing force, avoid the condition that the refrigerant in the working chamber that leads to because the terminal board damages flows into the electric control chamber for the electric current tolerance ability and the security performance of binding post under heavy current environment are better.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a terminal used in a high current environment in a compressor according to an embodiment of the present invention;

FIG. 2 is a front view of a terminal used in a high current environment within a compressor in an embodiment of the present invention;

FIG. 3 is an assembled schematic view of a terminal used in a high current environment within a compressor in an embodiment of the present invention;

reference numerals of the above figures: 1. a terminal plate; 11. a first planar portion; 12. a second planar section; 2. a binding post; 3. a compressor; 4. a circuit board; 5. sealing the ceramic; 6. a transition section; 7. and (6) welding the thin sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the terminal for use in a high-current environment in a compressor of the present embodiment includes:

a terminal plate 1, the terminal plate 1 being extendable in a first direction, which in this embodiment is a width direction of a paper surface in fig. 2. Of course, in other alternative embodiments, the first direction may be adjusted according to actual needs. The two sides of the terminal plate 1 may be a first flat part 11 and a second flat part 12 which are parallel to each other, the first flat part 11 and the second flat part 12 may respectively abut against a working chamber of a compressor 3 and an electronic control chamber of a circuit board 4, the terminal plate 1 may isolate the working chamber from the circuit chamber, so that the two sides of the terminal plate 1 may respectively seal the working chamber of the compressor 3 and the electronic control chamber of the circuit board 4, thereby avoiding a direct communication between the working chamber and the electronic control chamber, the thickness of the terminal plate 1 may be 5.8-6.2mm, so that the thickness of the terminal plate 1 may be thickened compared with the prior art, so that the rigidity of the terminal plate 1 is enhanced, further the capability of the terminal plate 1 against deformation is enhanced, and the two sides of the terminal plate 1 may better maintain flatness, and finally ensures a better tightness of the terminal board 1 to the working chamber and to the electric control chamber.

The terminal 2 can extend in the thickness direction of the terminal board 1 and penetrate through the terminal board 1, two ends of the terminal 2 can be respectively located at two sides of the terminal board 1, one end of the terminal 2 can be electrically connected with the working cavity of the compressor 3, and the other end of the terminal 2 is electrically connected with the electric control cavity of the circuit board 4, so that the working cavity of the compressor 3 and the electric control cavity of the circuit board 4 can be communicated through the terminal 2. The plurality of binding posts 2 may be arranged at intervals along the first direction, and in this embodiment, the number of the binding posts 2 is 3, so that the three-phase power can be switched on. The diameter of the binding post 2 is 5.6-6.0 mm. Thereby allowing the post 2 to have a larger diameter than the prior post 2, and thus allowing the post 2 to pass a larger current.

In this embodiment, by compressor 3 the circuit board with in the system that binding post constitutes, its low voltage environment that adopts 48V, under the circumstances of guaranteeing the high power, the circulation electric current in terminal 2 can reach 100A, through the utility model discloses people's experiment, terminal 2 in this application can guarantee that it can bear great electric current, has. In addition, the thickness of the terminal board 1 in the application enables the terminal board to bear larger pressing force in the using process, so that the sealing effect of the terminal board on the working cavity of the compressor 3 and the electric control cavity of the circuit board 4 is improved, the situation that a refrigerant in the working cavity enters the electric control cavity due to the deformation of the terminal board 1 is avoided, and the circuit board can be protected.

By means of the structure, under a high-current environment, the wiring terminal 2 can have good current tolerance capability, and the wiring terminal 2 is prevented from being damaged. In addition, through the thickening to terminal board 1, can be so that terminal board 1 can bear bigger packing force, avoid the condition that the refrigerant in the working chamber that leads to because terminal board 1 damages flows into the electric control chamber for binding post current endurance and security performance under the heavy current environment are better.

Specifically, the terminal board 1 and the terminal post 2 are both made of 45 steel, and since the 45 steel material has higher strength and stronger deformation resistance compared with a common steel material such as a3 steel, the terminal board 1 and the terminal post 2 have higher use strength, and the terminal post is more durable.

Specifically, the terminal plate 1 and the post 2 are provided with nickel plating layers on the outer sides thereof, which can improve the corrosion resistance of the terminal plate 1 and the post 2 and can improve the life of the terminal plate 1 and the post 2, so that the terminal plate 1 and the post 2 have higher strength. The thickness of the nickel plating layer may be 1.8-2.2mm, and the nickel plating layer may have a good protective effect on the terminal plate 1 and the post 2 at this thickness.

Specifically, a sealing ceramic 5 may be disposed between the terminal post 2 and the terminal plate 1, the sealing ceramic 5 may isolate two sides of the terminal plate 1, and the sealing ceramic 5 may be used to seal a connection region between the terminal post 2 and the terminal plate 1, so as to prevent a refrigerant in a working chamber of the compressor 3 from entering an electric control chamber of the circuit board 4 along the terminal post 2, and enable the terminal post to have better safety in a use process.

Specifically, the cross-sectional shape of the post 2 in a direction perpendicular to the extending direction thereof is circular. The wiring terminal 2 with the circular cross section can be better inserted into the working cavity of the compressor 3, so that the wiring terminal 2 and the working cavity are more easily connected, and the wiring terminal and the working cavity have better adaptability.

Specifically, terminal 2 has from its one end that is close to compressor 3 is to transition portion 6 of its lateral wall rounding, transition portion 6 can be right terminal 2 wholly plays the guide effect, works as terminal 2 need insert when in the working chamber of compressor 3, transition portion 6 can with the wiring end of working chamber carries out the in-process that contacts makes gradually terminal 2 inserts the wiring end, makes binding post with the cooperation degree between the working chamber is better.

Specifically, one end of the binding post 2 close to the circuit board 4 is fixedly connected with a welding sheet 7, and two welding sheets 7 are correspondingly arranged on the side wall of each binding post 2. In this embodiment, the number of the binding post 2 is 3, and correspondingly, 6 inserting sheet positions are arranged in the electric control cavity of the

circuit board

4, and 6 welding sheets 7 can be inserted into the 6 inserting sheet positions, so that the binding post 2 is electrically connected with the electric control cavity of the circuit board 4, and the binding post is correspondingly arranged with the circuit board 4.

Specifically, the first plane portion 11 and the second plane portion 12 are both adjacent to each other with a sealing gasket, and the terminal 2 is sleeved on the sealing gasket. The sealing gasket can seal the working cavity and the electric control cavity, and can also play a role in buffering when the connecting terminal is connected with the working cavity and the electric control cavity.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A terminal for use in a high current environment within a compressor, comprising:

the terminal plate extends along a first direction, a first plane part and a second plane part which are parallel to each other are arranged on two sides of the terminal plate, the first plane part and the second plane part are respectively abutted with a working cavity of a compressor and an electric control cavity of a circuit board, the terminal plate can isolate the working cavity from the electric control cavity, and the thickness of the terminal plate is 5.8-6.2 mm;

the wiring terminal extends in the thickness direction of the terminal board and penetrates through the terminal board, two ends of the wiring terminal are respectively located on two sides of the terminal board, one end of the wiring terminal is electrically connected with a working cavity of the compressor, the other end of the wiring terminal is electrically connected with an electric control cavity of the circuit board, the wiring terminals are arranged at intervals in the first direction, and the diameter of the wiring terminal is 5.6-6.0 mm.

2. The terminal block for use in a high current environment within a compressor as claimed in claim 1, wherein the terminal plate and the terminal post are each made of 45-gauge steel.

3. The terminal block for use in a high-current environment inside a compressor as claimed in claim 1, wherein the terminal block and the outside of the terminal post are each provided with a nickel plating layer having a thickness of 1.8 to 2.2 mm.

4. The terminal block for use in a high current environment within a compressor as claimed in claim 1, wherein a sealing ceramic is disposed between the terminal block and the terminal plate, the sealing ceramic being capable of isolating both sides of the terminal plate.

5. The terminal for use in high current environments within compressors according to claim 1, wherein said terminal post is circular in cross-sectional shape perpendicular to the direction of extension thereof.

6. The terminal for use in high current environments within compressors according to claim 5 wherein said terminal has a transition rounded from an end thereof adjacent said compressor to a side wall thereof.

7. The terminal for use in high current environments within compressors according to claim 1, wherein one end of each of the terminals adjacent to the circuit board is fixedly connected with a soldering tab, and two soldering tabs are correspondingly arranged on the side wall of each of the terminals.

8. The terminal for use in a high current environment within a compressor of claim 1, wherein the first planar portion and the second planar portion each abut a sealing gasket, and the terminal is disposed over the sealing gaskets.