CN211046628U

CN211046628U - Insulation structure for generator shell

Info

Publication number: CN211046628U
Application number: CN201922201442.3U
Authority: CN
Inventors: 符春飞
Original assignee: WUHU GENERATOR AUTOMOTIVE ELECTRICAL SYSTEMS CO Ltd
Current assignee: WUHU GENERATOR AUTOMOTIVE ELECTRICAL SYSTEMS CO Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-17
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a generator spare part field is an insulation system for generator housing particularly, the generator includes casing, negative plate, positive plate, apron and regulator, insulation system is including setting up the insulating pad of negative plate between negative plate and casing and setting up the insulating pad of positive plate between positive plate and negative plate. The utility model discloses an insulation structure for a generator shell, which solves the problem of troublesome assembly caused by using insulation paper during the insulation of the traditional shell; the utility model uses the negative plate insulating pad and the positive plate insulating pad to replace the traditional insulating paper; the problems that the insulating paper cannot be positioned in the assembling process, is easy to stress and crack, and has poor stability and the like can be solved.

Description

Insulation structure for generator shell

Technical Field

The utility model relates to a generator spare part field is an insulation system for generator housing particularly.

Background

At present, the alternating current generator generally adopts a shell grounding mode, and the shell grounding has the advantages of stable connection, good heat dissipation effect and the like.

However, in some special use environments, the shell of the generator needs to be insulated or grounded according to different tools, and the shell of the existing shell insulation motor is insulated from the negative plate by adopting an insulation paper mode.

The insulation mode has the defects of difficult assembly, low efficiency, incapability of positioning in the insulation paper assembly process, easy stress cracking, poor stability, high requirement on the material characteristics of the insulation paper and the like, and cannot meet the requirements of mass production and product use.

Meanwhile, a conducting wire is arranged between the shell and the negative pole loop, the conducting wire is disconnected when the shell is required to be insulated, and the conducting wire is connected when the shell is required to be grounded.

When the connecting mode is used for a long time, the problems of lead aging, stud thread sliding and the like easily occur, the stability is poor, and the failure rate is high after long-term use.

Therefore, in order to solve the above problems, a new type of insulation structure for a generator housing is now required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a simple to operate, simple process's novel insulation system that generator housing used.

In order to realize the purpose, the utility model discloses a technical scheme be:

an insulation structure for a generator housing, the generator including a housing, a negative plate, a positive plate, a cover plate, and a regulator, the insulation structure including a negative plate insulation pad disposed between the negative plate and the housing and a positive plate insulation pad disposed between the positive plate and the negative plate.

The positive plate insulating pad comprises a positive gasket body, and a first through hole is formed in the positive gasket body.

The negative plate insulating pad comprises a negative plate gasket body, and a second cross connection hole for cross connection and fixation is formed in the negative plate gasket body.

The section of the positive gasket body is circular; the horizontal section of the negative electrode gasket body is strip-shaped.

The negative pole gasket body is arc distribution on the casing.

The positive gasket and the negative gasket are plastic pieces.

And a switch box for controlling on-off is arranged between the negative plate and the shell.

The utility model has the advantages that:

the utility model discloses an insulation structure for a generator shell, which solves the problem of troublesome assembly caused by using insulation paper during the insulation of the traditional shell; the utility model uses the negative plate insulating pad and the positive plate insulating pad to replace the traditional insulating paper; the problems that the insulating paper cannot be positioned in the assembling process, is easy to stress and crack, and has poor stability and the like can be solved.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

fig. 1 is a schematic structural view of the utility model after the shell is connected with the negative plate insulating pad.

Fig. 2 is a schematic structural view of the negative plate of the present invention.

Fig. 3 is a schematic structural view of the positive plate insulating pad of the present invention.

Fig. 4 is a schematic structural view of the positive plate of the present invention.

Fig. 5 is a schematic structural diagram of the switch box of the present invention.

The labels in the above figures are:

1. the shell, 2, negative plate insulating pad, 3, negative plate, 4, positive plate insulating pad, 5, positive plate, 6, switch box, 7, screw.

Detailed Description

The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.

An insulation structure for a generator housing 1, the generator including a housing 1, a negative electrode plate 3, a positive electrode plate 5, a cap plate, and a regulator, the insulation structure including a negative electrode plate insulation pad 2 disposed between the negative electrode plate 3 and the housing 1, and a positive electrode plate insulation pad 4 disposed between the positive electrode plate 5 and the negative electrode plate 3; the utility model discloses an insulation structure for a generator shell 1, which solves the problem of troublesome assembly caused by using insulation paper when the traditional shell 1 is insulated; the utility model uses the negative plate insulating pad 2 and the positive plate insulating pad 4 to replace the traditional insulating paper; the problems that the insulating paper cannot be positioned in the assembling process, is easy to stress and crack, is poor in stability and the like can be solved; the utility model is provided with the negative plate insulating pad 2 to insulate the negative plate 3 from the generator shell 1; the negative plate insulating pad 2 comprises a negative electrode gasket body, and a second through hole for through connection and fixation is formed in the negative electrode gasket body; the negative plate insulating pad 2 passes through the second through hole by a screw 7 to be connected with the generator shell 1; after the negative plate insulating pad 2 is installed, covering the negative plate 3 on the negative plate insulating pad 2; after the negative plate 3 is placed, the negative plate 3 is covered with a positive plate insulating pad 4, in the utility model, the positive plate insulating pad 4 comprises a positive gasket body, and the positive gasket body is provided with a first through hole; the positive plate insulating pad 4 penetrates through the first through hole and is connected with the negative plate 3 through the screw 7, and in addition, for convenience in connection, the first through hole and the second through hole are coaxially arranged, so that the screw 7 can simultaneously penetrate through the first through hole and the second through hole, and further the screw 7 can simultaneously align the connection among the positive plate 5, the negative plate 3 and the generator shell 1; in addition, the positive plate insulating pad 4 and the negative plate insulating pad 2 of the utility model are both plastic pieces; for example, PPS materials having a small deformation amount and high temperature resistance; of course, the components made of other materials can be selected according to the requirements, and the components can be specifically arranged according to the requirements; based on the disclosure of the above contents, the utility model changes the problem of assembly trouble caused by using insulating paper when the traditional generator shell 1 is insulated; the utility model uses the negative plate insulating pad 2 and the positive plate insulating pad 4 to replace the traditional insulating paper; the problems that the insulating paper cannot be positioned in the assembling process, is easy to stress and crack, is poor in stability and the like can be solved; the after-sale failure rate of the motor caused by the damage of the insulating paper is reduced.

Preferably, in the utility model, the cross section of the positive gasket body is circular; the horizontal section of the negative electrode gasket body is in a strip shape; the negative plate 3 of the utility model adopts a gasket structure with a strip-shaped structure, and the size of the positive plate insulating pad 4 with the strip-shaped structure is larger, so that the contact area between the positive plate insulating pad and the shell 1 and the negative plate 3 can be increased, and the contact between the negative plate 3 and the generator shell 1 can be better isolated; meanwhile, the insulation structure plays a good supporting role, avoids the contact with the shell 1 due to the deformation of the negative plate 3, ensures the insulation effect, and adopts a circular gasket structure to separate the positive plate 5 and the negative plate 3, wherein the probability of deformation of the subsequent positive plate 5 is smaller because of the arrangement of the positive plate 5 and the structure of the positive plate, so that only the space between the positive plate 5 and the negative plate 3 needs to be built on the air, therefore, the insulation of the positive plate 5 and the negative plate 3 is realized through the circular gasket, and the quality of parts is also reduced while the insulation is realized; while facilitating the placement of adjacent components.

Preferably, in the present invention, the negative gasket bodies are distributed on the casing 1 in an arc shape; the arc distribution is mainly used for better supporting the negative plate 3, the whole structure of the negative plate 3 of the generator is similar to an arc structure, and the negative plate insulating pad 2 adopts the arc arrangement to increase the contact area between the negative plate insulating pad 2 and the negative plate 3; and the isolation and insulation effect is ensured.

Preferably, a switch box 6 for controlling on-off is arranged between the negative plate 3 and the shell 1; the utility model discloses a switch box 6 replaces traditional wire connection structure, and is more convenient when using, has improved the life of part simultaneously, connects safe and reliable more.

Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.

Claims

1. An insulation structure for a generator housing, the generator including a housing, a negative plate, a positive plate, a cover plate, and a regulator, wherein the insulation structure includes a negative plate insulation pad disposed between the negative plate and the housing and a positive plate insulation pad disposed between the positive plate and the negative plate.

2. The insulation structure for the generator housing according to claim 1, wherein the positive plate insulation pad comprises a positive gasket body, and the positive gasket body is provided with a first through hole.

3. The insulation structure for the generator housing as claimed in claim 2, wherein the negative plate insulation pad comprises a negative gasket body, and the negative gasket body is provided with a second through hole for through fixation.

4. An insulation structure for a generator housing according to claim 3, wherein the positive electrode gasket body is circular in cross-section; the horizontal section of the negative electrode gasket body is strip-shaped.

5. The insulation structure for a generator housing of claim 3, wherein said negative electrode gasket body is arcuately distributed on the housing.

6. The insulation structure for a generator housing according to claim 3, wherein the positive electrode gasket and the negative electrode gasket are plastic members.

7. An insulation structure for a generator housing according to claim 1, wherein a switch box for controlling on/off is provided between the negative electrode plate and the housing.