CN211744221U - Condensation structure is prevented to car permanent-magnet machine terminal box - Google Patents
Condensation structure is prevented to car permanent-magnet machine terminal box Download PDFInfo
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- CN211744221U CN211744221U CN202020466717.6U CN202020466717U CN211744221U CN 211744221 U CN211744221 U CN 211744221U CN 202020466717 U CN202020466717 U CN 202020466717U CN 211744221 U CN211744221 U CN 211744221U
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- junction box
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Abstract
The utility model discloses a condensation structure is prevented to car permanent-magnet machine terminal box, including motor body and terminal box body, terminal box body fixed connection is on motor body, the terminal box body is including the terminal box lid, terminal box and terminal, the terminal includes the terminal base and is located the inside copper bar of terminal base, the terminal box bottom is equipped with the through wires hole, the one end of terminal is located inside the terminal box, the other end stretches out and stretches into motor body's inside cavity from the through wires hole, copper bar in the terminal base is connected with the inside stator lead-out wire electricity of motor body, thereby the terminal all around with the terminal box bottom between the embedment have epoxy to keep apart motor body's inside cavity and the inside cavity of terminal box. The utility model discloses use the inside cavity of epoxy embedment mode to keep apart motor body and the inside cavity of terminal box for the inside pencil conducting part of terminal box is in airtight space, and fundamentally prevents that the condensation from producing.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to condensation structure is prevented to car permanent-magnet machine terminal box.
Background
The direct-drive vehicle-mounted driving permanent magnet motor can generate condensation inside a junction box thereof under high and low temperature environments, so that the motor has insulation failure.
Disclosure of Invention
The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides a condensation structure is prevented to car permanent-magnet machine terminal box, and this condensation structure is prevented to car permanent-magnet machine terminal box uses epoxy embedment mode to keep apart motor cavity and terminal box for the inside pencil conducting part of terminal box is in airtight space, and fundamentally prevents that the condensation from producing.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a condensation structure is prevented to car permanent-magnet machine terminal box, includes motor body and terminal box body, terminal box body fixed connection is on motor body, the terminal box body includes terminal box lid, terminal box and terminal, the terminal includes the terminal base and is located the inside copper bar of terminal base, the terminal box bottom is equipped with the through wires hole, the one end of terminal is located inside the terminal box, and the other end stretches out and stretches into motor body's inside cavity from the through wires hole, stretches into the copper bar in the terminal base of the inside cavity of motor body and is connected with the inside stator lead-out wire of motor body electricity, thereby the terminal all around with the terminal box bottom between the embedment have epoxy to keep apart motor body's inside cavity and the inside cavity of terminal box, the top and the terminal box lid of terminal box are connected.
As the utility model discloses further modified technical scheme, the glan head is installed to a terminal box side, the glan head is used for the sealed external power supply line that passes, and external power supply line penetrates the terminal box inside and is connected with the inside copper bar electricity of the terminal base of terminal box inside from the glan head.
As a further improved technical scheme of the utility model, the copper nose that external power cord penetrated inside the terminal box and on the external power cord from the glan head passes through bolted connection with the inside copper bar of the terminal base of terminal box inside.
As the utility model discloses further modified technical scheme, be connected with the copper nose on the stator lead-out wire, the copper nose of stator lead-out wire passes through the screw connection with the copper bar that stretches into in the terminal base of the inside cavity of motor body.
As a further improved technical scheme of the utility model, the terminal is the L type.
As a further improved technical scheme of the utility model, the top and the junction box cover of terminal box pass through screw sealing connection.
The utility model has the advantages that: this embodiment adopts epoxy embedment mode to keep apart between motor body cavity and terminal box cavity, guarantees that the inside of motor terminal box body is a closed environment, and inside the unable terminal box body that gets into of steam that the motor body produced under high low temperature environment to reach and prevent the condensation effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a partially enlarged view of the present embodiment.
Detailed Description
The following further description of embodiments of the present invention is made with reference to fig. 1 to 2:
as shown in fig. 1, an automotive permanent magnet motor junction box condensation prevention structure comprises a motor body 1 and a junction box body 2, wherein the junction box body 2 is fixedly connected to the motor body 1, and the junction box body 2 comprises a junction box cover 4, a junction box 3 and a wiring terminal 5. As shown in fig. 2, the terminal 5 includes a terminal base 9 and a copper bar 10 located inside the terminal base 9, a threading hole is arranged at the bottom of the terminal box 3, one end of the terminal 5 is located inside the terminal box 3, the other end of the terminal 5 extends out of the threading hole and extends into the internal cavity of the motor body 1, the copper bar 10 extending into the terminal base 9 of the internal cavity of the motor body 1 is electrically connected with a stator outgoing line 6 inside the motor body 1, epoxy resin 8 is filled between the periphery of the terminal 5 and the bottom of the terminal box 3 in a sealing mode, so that the internal cavity of the motor body 1 is isolated from the internal cavity of the terminal box 3, and the top of the terminal box 3 is connected with the terminal box. In fig. 2, 11 is a rear flange of the motor, and the junction box 3 is fixedly connected to the rear flange 11 of the motor through screws.
In this embodiment, a flange head 7 is installed on one side surface of the junction box 3, the flange head 7 is used for sealing an external power line which passes through the junction box 3, and the external power line penetrates into the junction box 3 from the flange head 7 and is electrically connected with a copper bar 10 inside a terminal base 9 inside the junction box 3.
In this embodiment, the external power line penetrates into the junction box 3 from the glan head 7, and the copper nose on the external power line is connected with the copper bar 10 inside the terminal base 9 inside the junction box 3 through the screw 12.
In this embodiment, the stator lead-out wire 6 is connected with a copper nose 13, the copper nose 13 of the stator lead-out wire 6 is connected with a copper bar 10 in a wiring terminal base 9 extending into the inner cavity of the motor body 1 through a screw 12.
In this embodiment, the terminal 5 is L-shaped.
In this embodiment, the top of the junction box 3 is hermetically connected to the junction box cover 4 by a screw 12.
This embodiment adopts the epoxy embedment mode to keep apart between 1 cavity of motor body and 3 cavities of terminal box, guarantees that the inside of motor terminal box body 2 is a closed environment, and inside the unable terminal box body 2 that get into of the inside steam of motor body 1 to reach and prevent the condensation effect.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a condensation structure is prevented to car permanent magnet machine terminal box, includes motor body and terminal box body, its characterized in that: the terminal box comprises a terminal box body, wherein the terminal box body is fixedly connected to a motor body and comprises a terminal box cover, a terminal box and a terminal, the terminal comprises a terminal box base and a copper bar located inside the terminal box base, a threading hole is formed in the bottom of the terminal box, one end of the terminal is located inside the terminal box, the other end of the terminal extends out of the threading hole and stretches into an inner cavity of the motor body, the copper bar stretching into the terminal base of the inner cavity of the motor body is electrically connected with a stator outgoing line inside the motor body, epoxy resin is filled between the periphery of the terminal and the bottom of the terminal box in an embedding mode, the inner cavity of the motor body is isolated from the inner cavity of the terminal box, and the.
2. The junction box anti-condensation structure of the automotive permanent magnet motor according to claim 1, wherein: a flange head is installed on one side face of the junction box and used for sealing an external power line which penetrates through the junction box, and the external power line penetrates into the junction box from the flange head and is electrically connected with a copper bar inside a binding post base inside the junction box.
3. The junction box anti-condensation structure of the automotive permanent magnet motor according to claim 2, wherein: the external power line penetrates into the junction box from the Glan head, and a copper nose on the external power line is connected with a copper bar inside the wiring terminal base inside the junction box through a screw.
4. The junction box anti-condensation structure of the automotive permanent magnet motor according to claim 1, wherein: the stator lead-out wire is connected with a copper nose, and the copper nose of the stator lead-out wire is connected with a copper bar in a wiring terminal base extending into the cavity in the motor body through a screw.
5. The junction box anti-condensation structure of the automotive permanent magnet motor according to claim 1, wherein: the wiring terminal is L-shaped.
6. The junction box anti-condensation structure of the automotive permanent magnet motor according to claim 1, wherein: the top of the junction box is connected with the junction box cover in a sealing mode through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466717.6U CN211744221U (en) | 2020-04-02 | 2020-04-02 | Condensation structure is prevented to car permanent-magnet machine terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466717.6U CN211744221U (en) | 2020-04-02 | 2020-04-02 | Condensation structure is prevented to car permanent-magnet machine terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211744221U true CN211744221U (en) | 2020-10-23 |
Family
ID=72853796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020466717.6U Active CN211744221U (en) | 2020-04-02 | 2020-04-02 | Condensation structure is prevented to car permanent-magnet machine terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211744221U (en) |
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2020
- 2020-04-02 CN CN202020466717.6U patent/CN211744221U/en active Active
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