CN211578986U

CN211578986U - Converter earth connection component

Info

Publication number: CN211578986U
Application number: CN201922316309.2U
Authority: CN
Inventors: 廖湘衡; 李迪鹏; 胡勇
Original assignee: Hunan Zhongyeyuan Electric Co ltd
Current assignee: Hunan Zhongyeyuan Electric Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-25
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a converter earth connection connecting elements, including the converter base, converter circuit board and customer end earth connection, the nut has been preset to the inside of converter base, and the ground wire hole of symmetry is seted up on the right side of converter base, converter base upper end is equipped with the converter circuit board, and converter circuit board right side mounting hole department closely laminates there is the ground connection copper foil, the left side seamless welding of converter circuit board has the power terminal, through screw and nut fixed connection between converter base and the converter circuit board, and the fixed position of customer end earth connection is between converter circuit board and the screw. The grounding of the frequency converter can effectively reduce the product cost, save two welding power terminals and simplify the processing technology.

Description

Converter earth connection component

Technical Field

The utility model relates to a connecting elements technical field specifically is a converter earth connection connecting elements.

Background

Integrated circuits are used in large numbers in frequency converter components. It is well known that high temperatures are a rival of integrated circuits. The high temperature can not only cause the unstable operation of the system and shorten the service life, but also possibly burn some parts. The heat that causes the high temperature does not come from outside the computer, but inside the frequency converter, or inside the integrated circuit. The radiator is used for absorbing the heat and then radiating the heat into the case or out of the case, so that the temperature of the computer components is ensured to be normal.

The grounding of the frequency converter on the market is realized by a terminal table and a welding power terminal, the mode has a complex structure, occupies product space, increases the volume of a product, has a complex processing technology, improves the reject ratio of the product, and has high product cost and processing cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a converter earth connection connecting elements to it is complicated to solve this kind of mode structure, occupies product space, has increased the volume of product, and processing technology is complicated, has improved the defective rate of product, and product cost and processing cost are all very high waiting problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a converter earth connection component, includes converter base, converter circuit board and customer end earth connection, the nut has been preset to the inside of converter base, and the right side of converter base sets up the ground wire hole of symmetry, converter base upper end is equipped with the converter circuit board, and converter circuit board right side mounting hole department closely laminates and has the ground connection copper foil, the seamless welding in left side of converter circuit board has the power terminal, through screw and nut fixed connection between converter base and the converter circuit board, and the fixed position of customer end earth connection is between converter circuit board and screw.

Preferably, the screw is including gasket, arch, spring and screw rod, the bottom of screw is equipped with the screw rod, and the outside cover of screw rod is equipped with the gasket, fixedly connected with spring between screw head end and the gasket, the spring housing is established in the outside of screw rod, and the bottom left and right sides fixedly connected with of gasket is symmetrical protruding.

Preferably, the client-side grounding wire comprises a fixing hole and a U-shaped groove, the U-shaped groove is formed in one end of the client-side grounding wire, and symmetrical fixing holes are formed in the client-side grounding wire on two sides of the U-shaped groove.

Preferably, the lower half section of the screw rod is provided with threads, the diameter of the screw rod is consistent with the width of the inner groove of the U-shaped groove, and the protrusion is matched with the fixing hole.

Preferably, the upper surface of the frequency converter circuit board is provided with a groove, and the groove and the protrusion are matched with each other.

Preferably, the spring deployment length is greater than one-half of the screw length.

The utility model provides a converter earth connection connecting elements. The method has the following beneficial effects:

(1) this converter earth connection connecting elements can effectual reduction product cost, has saved two welding power terminals, can simplify processing technology, reduces the product defective rate, improves the product reliability, and the product size can be reduced again, can make things convenient for the customer earth connection again.

(2) This converter ground connection, be equipped with the screw thread through half section under the screw rod, make it carry out the thread tightening through screw rod and nut between with converter base and converter circuit board in the installation, and after the installation is accomplished with gasket along screw rod jack-up, make its arch rise under the gasket drives, and with the recess separation of converter circuit board upper surface, insert the customer end earth connection in the screw rod again, make its U type groove closely laminate in the screw rod surface, because the characteristic of spring, can exert pressure downwards loose hand with the gasket, and agree with the recess that the arch passed fixed orifices and converter circuit board upper surface, thereby when installing the customer end earth connection, only need with gasket jack-up can, need not to become flexible (demolish or disassemble) the problem that just can install converter base and converter circuit board, improve its convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the utility model discloses the screw and converter base and converter line connection sketch map.

Fig. 3 is a schematic view of the screw structure of the present invention.

Fig. 4 is the schematic diagram of the structure of the grounding wire of the client end of the present invention.

In the figure: 1. a frequency converter base; 101. a nut; 102. a ground wire outlet hole; 2. a frequency converter circuit board; 201. a grounding copper foil; 202. a power terminal; 3. a client side is connected with a ground wire; 301. a fixing hole; 302. a U-shaped groove; 4. a screw; 401. a gasket; 4011. a protrusion; 402. a spring; 403. a screw.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a converter ground connection component, including converter base 1, converter circuit board 2 and customer end ground connection 3, nut 101 has been preset to converter base 1's inside, and the ground wire hole 102 of symmetry is seted up on converter base 1's right side, 1 upper end of converter base is equipped with

converter circuit board

2, and 2 right side mounting hole departments of converter circuit board closely laminate there is ground connection copper foil 201, the left side seamless welding of converter circuit board 2 has power terminal 202, pass through screw 4 and nut 101 fixed connection between converter base 1 and the converter circuit board 2, and the fixed position of customer end ground connection 3 is between converter circuit board 2 and screw 4.

Wherein, screw 4 is including gasket 401, protruding 4011, spring 402 and screw rod 403, screw 4's bottom is equipped with screw rod 403, and the outside cover of screw rod 403 is equipped with gasket 401, fixedly connected with spring 402 between 4 head ends of screw and the gasket 401, the outside at screw rod 403 is established to spring 402 cover, and the protruding 4011 of the bottom left and right sides fixedly connected with symmetry of gasket 401, make it realize respectively can fixed converter base 1 and converter circuit board 2 and customer end earth connection 3, improve its convenience.

The client-side grounding wire 3 comprises a fixing hole 301 and a U-shaped groove 302, the U-shaped groove 302 is formed in one end of the client-side grounding wire 3, and the symmetrical fixing holes 301 are formed in the client-side grounding wires 3 on two sides of the U-shaped groove 302, so that the client-side grounding wire 3 can be conveniently fixed and cannot be loosened.

Wherein, half section is equipped with the screw thread under the screw rod 403, and the diameter of screw rod 403 is unanimous with the inside groove width in U type groove 302, and protruding 4011 agrees with each other with fixed orifices 301, fixes converter base 1 and converter circuit board 2, and can fix customer end earth connection 3 by later stage movable gasket 401.

Wherein, the upper surface of converter circuit board 2 is equipped with the recess, and its recess agrees with each other with arch 4011.

The length of the spring 402 is greater than half of the length of the screw 403, so that the gasket 401 generates a certain pressure, and the client-side ground wire 3 is more tightly fixed on the frequency converter circuit board 2.

In use, firstly, the frequency converter base 1 is placed on a relatively horizontal operation table, then the frequency converter circuit board 2 and the frequency converter base 1 are installed and fixed through the screw 4, as the lower half section of the screw 403 is provided with threads, the frequency converter base 1 and the frequency converter circuit board 2 are fixed through the screw 403 and the nut 101 in a threaded manner in the installation process, then the gasket 401 on the screw 403 is jacked upwards along the screw 403, the bulge 4011 is lifted under the driving of the gasket 401 and separated from the groove on the upper surface of the frequency converter circuit board 2, then the client grounding wire 3 is inserted from the grounding wire outlet hole 102, the U-shaped groove 302 is tightly attached to the outer surface of the screw 403, due to the characteristic of the spring 402, the gasket 401 can exert pressure downwards by loosening hands, and the bulge 4011 penetrates through the fixing hole 301 to be matched with the groove on the upper surface of the frequency converter circuit board 2, so that when the client grounding wire 3 is installed, only need with gasket 4011 jack-up can, need not to become flexible (demolish or disassemble) the problem that just can install converter base 1 and converter circuit board 2, improve its convenience, accomplish whole process.

Claims

1. The utility model provides a converter earth connection component, includes converter base (1), converter circuit board (2) and customer end earth connection (3), its characterized in that, nut (101) have been preset to the inside of converter base (1), and the right side of converter base (1) sets up symmetrical ground wire hole (102), converter base (1) upper end is equipped with converter circuit board (2), and converter circuit board (2) right side mounting hole department closely laminates and has ground connection copper foil (201), the seamless welding in left side of converter circuit board (2) has power terminal (202), through screw (4) and nut (101) fixed connection between converter base (1) and converter circuit board (2), and customer end earth connection (3) fixed bit is between converter base (2) and screw (4).

2. A frequency converter ground wire connection member according to claim 1, characterized in that: screw (4) are including gasket (401), arch (4011), spring (402) and screw rod (403), the bottom of screw (4) is equipped with screw rod (403), and the outside cover of screw rod (403) is equipped with gasket (401), fixedly connected with spring (402) between screw (4) head end and gasket (401), the outside at screw rod (403) is established in cover of spring (402), and the bottom left and right sides fixedly connected with of gasket (401) is symmetrical protruding (4011).

3. A frequency converter ground wire connection member according to claim 2, characterized in that: the client side grounding wire (3) comprises a fixing hole (301) and a U-shaped groove (302), the U-shaped groove (302) is formed in one end of the client side grounding wire (3), and the symmetrical fixing holes (301) are formed in the client side grounding wires (3) on two sides of the U-shaped groove (302).

4. A frequency converter ground connection member according to claim 3, characterized in that: the lower half section of the screw rod (403) is provided with threads, the diameter of the screw rod (403) is consistent with the width of an inner groove of the U-shaped groove (302), and the protrusion (4011) is matched with the fixing hole (301).

5. A frequency converter ground wire connection member according to claim 1, characterized in that: the upper surface of converter circuit board (2) is equipped with the recess, and its recess agrees with each other with arch (4011).

6. A frequency converter ground wire connection member according to claim 2, characterized in that: the spring (402) has a deployed length greater than one-half of the length of the screw (403).