CN214753615U - Plastic casing type circuit breaker with residual current protection - Google Patents
Plastic casing type circuit breaker with residual current protection Download PDFInfo
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- CN214753615U CN214753615U CN202120725550.5U CN202120725550U CN214753615U CN 214753615 U CN214753615 U CN 214753615U CN 202120725550 U CN202120725550 U CN 202120725550U CN 214753615 U CN214753615 U CN 214753615U
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- circuit breaker
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- module
- residual current
- breaker
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Abstract
The utility model provides a plastic shell type circuit breaker with residual current protection, which is characterized by comprising an electric leakage protection module and a circuit breaker; the utility model optimizes the traditional screw installation and wire connection leakage protection module and circuit breaker into the insertion mode of the sliding groove and the sliding block, so that two relatively independent electrical elements can be separately produced before being assembled into the residual current protection circuit breaker, thereby avoiding the existence of various parts at the assembly station, ensuring the tidiness of a working interface and simplifying the complexity of the assembly process; the utility model discloses abandoned the mode that the external wire links up earth leakage protection module and circuit breaker, adopted linking piece bearing spring to support the mode of circular telegram post and circular telegram post butt joint port, reduced the space that residual current protection circuit breaker occupied the electronic box when the installation, avoided the wiring end to expose in external environment to reduce the possibility that produces static, strengthened the safe handling of electrical property original paper in the residual current protection circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to take residual current protection plastic casing circuit breaker.
Background
The residual current protection circuit breaker is also called a plastic shell circuit breaker, and can automatically cut off the current after the current exceeds a trip set value, wherein the plastic shell is a shell of the device which is made of a plastic insulator and used for isolating conductors and grounding metal parts; the existing residual current protection circuit breaker consists of a common 1P or 2P circuit breaker and an electric leakage protection module, and the working mode of the existing residual current protection circuit breaker is that the electric leakage protection module amplifies an electric leakage signal sent by an electric leakage sensor by using a control circuit board to drive an electromagnetic tripping device to trigger the circuit breaker to cut off current;
as far as the prior art is concerned: the leakage protection module and the plastic shell of the circuit breaker are assembled together through screws, and the bottom of the leakage protection module is connected with a zero line and a live line of a test circuit through two leads, so that the leakage protection module and the circuit breaker of the existing residual current protection circuit breaker are still in a relatively independent state; in addition, the mode that external conductor links up earth leakage protection module and circuit breaker not only makes residual current protection circuit breaker occupy more spaces of electronic box when the installation, still can cause partial wiring end to expose in external environment, and dry environment makes residual current protection circuit breaker produce static easily, is unfavorable for the safe handling of electric property original paper.
Disclosure of Invention
In light of the above technical problems, the present invention provides a plastic case circuit breaker with residual current protection, which is characterized by comprising an earth leakage protection module and a circuit breaker; the leakage protection module is provided with a circuit breaker;
the leakage protection module comprises an embedded clamping plate, a module main body, a connecting block, a power-on post, an insulating plate and a spring, wherein the module main body is of a convex block-shaped structure, an electromagnetic tripping mechanism is arranged in the module main body, the output end of the electromagnetic tripping mechanism penetrates through the left side wall of the module main body and extends into the circuit breaker, the embedded clamping plate is arranged at the upper part of the left end face of the module main body and is integrated with the module main body, a fastening hole is formed in the left part of the embedded clamping plate, the connecting block is arranged at the bottom of the module main body and is integrated with the module main body, the upper end face of the connecting block is of an inwards-concave arc-shaped structure, a butt-joint sliding groove is formed in the upper end face of the connecting block, power-on post holes are formed in the left part of the bottom face of the butt-joint sliding groove, the number of the power-on post holes is three, and a pre-tightening groove is formed in the connecting block, the pre-tightening groove is communicated with a power-on column hole, a power-on column is arranged in the power-on column hole, the top of the power-on column is of a hemispherical structure, the bottom of the power-on column extends into the pre-tightening groove, an insulating plate is arranged on the lower portion of the power-on column, the lower end face of the insulating plate is connected with one end of a spring, the other end of the spring is connected with the bottom face of the pre-tightening groove, a module pre-tightening hole is formed in the right portion of the front end face of the linking block, and a module wiring port is formed in the right portion of the lower end face of the linking block;
the circuit breaker is a 3P circuit breaker and comprises a circuit breaker main body, a closing switch and a butt joint sliding block, wherein the lower end face of the circuit breaker main body is of an outwards-convex arc structure, the butt joint sliding block is installed on the lower end face of the circuit breaker main body, a power-on column butt joint port is formed in the lower end face of the butt joint sliding block, the closing switch is installed inside the circuit breaker main body and connected with an electromagnetic tripping mechanism, the closing switch penetrates through the front end face of the circuit breaker main body and extends to the outside of the front end face of the circuit breaker main body, a circuit breaker wiring pre-tightening hole is formed in the upper portion of the front end face of the circuit breaker main body, a circuit breaker wiring port is formed in the front portion of the upper end face of the circuit breaker main body, a clamping plate groove is formed in the middle portion of the upper end face of the circuit breaker main body, and a fastening matching hole is formed in the left portion of the clamping plate groove, the clamping plate groove is matched with the embedded clamping plate for use, the butt joint sliding block is matched with the butt joint sliding groove for use, and the electric leakage protection module and the circuit breaker are installed together through the fastening hole and the fastening matching hole by utilizing the bolt.
The utility model has the advantages that: the utility model optimizes the traditional screw installation and wire connection leakage protection module and circuit breaker into the insertion mode of the sliding groove and the sliding block, so that two relatively independent electrical elements can be separately produced before being assembled into the residual current protection circuit breaker, and finally, the two elements are simply spliced, thereby avoiding the assembly station to have various parts at the same time, ensuring the tidiness of a working interface and simplifying the complexity of the assembly process;
the utility model discloses abandoned the mode that the external wire links up earth leakage protection module and circuit breaker, adopted linking piece bearing spring to support the mode of circular telegram post and circular telegram post butt joint port, reduced the space that residual current protection circuit breaker occupied the electronic box when the installation, avoided the wiring end to expose in external environment to reduce the possibility that residual current protection circuit breaker produced static, strengthened the safe handling of electrical property original paper among the residual current protection circuit breaker.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the circuit breaker of the present invention;
fig. 3 is a schematic structural diagram of the leakage protection module of the present invention;
fig. 4 is a side sectional view of the present invention at a in fig. 3.
As shown in the figure: 1-earth leakage protection module, 11-fastening hole, 12-embedded clamping plate, 13-module body, 131-electromagnetic tripping mechanism, 14-module wiring pre-tightening hole, 15-connection block, 16-butt joint sliding groove, 161-pre-tightening groove, 162-electrifying column hole, 17-electrifying column, 18-insulating plate, 19-spring, 2-circuit breaker, 21-fastening matching hole, 22-clamping plate groove, 23-circuit breaker wiring port, 24-circuit breaker wiring pre-tightening hole, 25-closing switch, 26-butt joint sliding block and 27-circuit breaker body.
Detailed Description
Example 1
The utility model provides a plastic shell type circuit breaker with residual current protection, which is characterized in that the circuit breaker comprises an electric leakage protection module 1 and a circuit breaker 2; the earth leakage protection module 1 is provided with a circuit breaker 2;
the leakage protection module 1 comprises an embedded clamping plate 12, a module main body 13, a connecting block 15, a power-on column 17, an insulating plate 18 and a spring 19, wherein the module main body 13 is of a convex block structure, an electromagnetic tripping mechanism 131 is arranged in the module main body 13, the output end of the electromagnetic tripping mechanism 131 penetrates through the left side wall of the module main body 13 and extends into a circuit breaker 2, the embedded clamping plate 12 is arranged at the upper part of the left end face of the module main body 13, the embedded clamping plate 12 and the module main body 13 are of an integral structure, a fastening hole 11 is formed in the left part of the embedded clamping plate 12, the connecting block 15 is arranged at the bottom of the module main body 13, the connecting block 15 and the module main body 13 are of an integral structure, the upper end face of the connecting block 15 is of a concave arc-shaped structure, a butt-joint sliding groove 16 is formed in the upper end face of the connecting block 15, power-on column holes 162 are formed in the left part of the bottom face of the butt joint sliding groove 16, the three power-on column holes 162, a pre-fastening groove 161 is formed in the connecting block 15, the pre-tightening groove 161 is communicated with the electrified column hole 162, the electrified column 17 is arranged in the electrified column hole 162, the top of the electrified column 17 is of a hemispherical structure, the bottom of the electrified column 17 extends into the pre-tightening groove 161, the lower part of the electrified column 17 is provided with an insulating plate 161, the lower end face of the insulating plate 161 is connected with one end of the spring 19, the other end of the spring 19 is connected with the bottom face of the pre-tightening groove 161, the right part of the front end face of the connecting block 15 is provided with a module pre-tightening hole 14, and the right part of the lower end face of the connecting block 15 is provided with a module wiring port;
a circuit breaker 2 is arranged between the butt joint sliding chute 16 and the embedding splint 12, the circuit breaker 2 is a 3P circuit breaker, the circuit breaker 2 is composed of a circuit breaker main body 27, a closing brake 25 and a butt joint sliding block 26, the lower end surface of the circuit breaker main body 27 is of a convex arc structure, the butt joint sliding block 26 is arranged on the lower end surface of the circuit breaker main body 27, a power-on column butt joint port is arranged on the lower end surface of the butt joint sliding block 26, a closing switch 25 is arranged inside the circuit breaker main body 27 and is connected with an electromagnetic tripping mechanism 131, the closing switch 25 penetrates through the front end surface of the circuit breaker main body 27 and extends to the outside of the front end surface of the circuit breaker main body 27, a circuit breaker wiring pre-tightening hole 24 is arranged on the upper portion of the front end surface of the circuit breaker main body 27, a circuit breaker wiring port 23 is arranged on the front portion of the upper end surface of the circuit breaker main body 27, a splint groove 22 is arranged in the middle portion of the upper end surface of the circuit breaker main body 27, a fastening hole 21 is arranged on the left portion of the splint groove 22, the clamp plate slot 22 is used in cooperation with the insertion clamp plate 12, the butt slide block 26 is used in cooperation with the butt slide slot 16, and the earth leakage protection module 1 and the circuit breaker 2 are mounted together through the fastening hole 11 and the fastening fitting hole 21 by using a bolt.
Example 2
Particularly, the circuit breaker 2 in the utility model selects the 3P circuit breaker without specific requirements, and circuit breakers of different models can be selected according to requirements; the utility model discloses when using, at first place the butt joint slider 26 of circuit breaker 2 bottom on the linking piece 15 of earth leakage protection module 1 bottom, then slide circuit breaker 2 along butt joint spout 16 right side, later embedding splint 12 can imbed gradually in splint groove 22, until the circular telegram post butt joint port and the butt joint of circular telegram post 17 of butt joint slider 26 bottom, in this process, the hemispherical structure pressurized at circular telegram post 17 top is under the helping hand of insulation board 18, spring 19 contracts in, when circular telegram post 17's top and circular telegram post butt joint port collineation, spring 19 resumes deformation, circular telegram post 17 card is gone into circular telegram post butt joint port, the fastening hole 11 and the butt joint of fastening mating holes 21 of seting up on embedding splint 12 this moment, fastening hole 11 and fastening mating holes 21's fastening through external screw assemble earth leakage protection module 1 and circuit breaker 2 together, this kind of grafting mode and traditional screw installation, Compared with the connection mode of the lead, the process of assembling the residual current protection circuit breaker in production is simpler and more convenient, and the use is safer.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The plastic shell type circuit breaker with residual current protection is characterized by comprising an electric leakage protection module and a circuit breaker; the leakage protection module is provided with a circuit breaker;
the leakage protection module comprises an embedded clamping plate, a module main body, a connection block, a power-on post, an insulation plate and a spring, wherein the module main body is of a convex block-shaped structure, an electromagnetic tripping mechanism is arranged in the module main body, the output end of the electromagnetic tripping mechanism penetrates through the left side wall of the module main body and extends into the circuit breaker, the embedded clamping plate is arranged at the upper part of the left end face of the module main body, a fastening hole is formed in the left part of the embedded clamping plate, the connection block is arranged at the bottom of the module main body, the upper end of the connection block is of an inwards-concave arc structure, a butt-joint sliding groove is formed in the upper end face of the connection block, a power-on post hole is formed in the left part of the bottom face of the butt-joint sliding groove, a pre-tightening groove is formed in the connection block and communicated with the power-on post hole, the power-on post is arranged in the power-on post hole, and the top of the power-on post is of a hemispherical structure, the bottom of the power-on column extends into the pre-tightening groove, an insulating plate is mounted on the lower portion of the power-on column, the lower end face of the insulating plate is connected with one end of a spring, the other end of the spring is connected with the bottom face of the pre-tightening groove, a module pre-tightening hole is formed in the right portion of the front end face of the connecting block, and a module wiring port is formed in the right portion of the lower end face of the connecting block;
a circuit breaker is arranged between the butt-joint sliding chute and the embedded clamping plate and consists of a circuit breaker main body, a closing switch and a butt-joint sliding block, the lower end surface of the breaker main body is of a convex arc structure, the lower end surface of the breaker main body is provided with a butt-joint sliding block, the lower end surface of the butt joint sliding block is provided with a power-on post butt joint port, the interior of the breaker main body is provided with a closing switch, the closing switch is connected with the electromagnetic tripping mechanism, the closing switch penetrates through the front end surface of the breaker main body, and extends to the outside of the front end surface of the breaker main body, the upper part of the front end surface of the breaker main body is provided with a breaker wiring pre-tightening hole, the front part of the upper end surface of the breaker main body is provided with a breaker wiring port, the middle part of the upper end surface of the breaker main body is provided with a splint groove, the left part of the splint groove is provided with a fastening matching hole, and the leakage protection module and the circuit breaker are installed together through the fastening hole and the fastening matching hole by utilizing a bolt.
2. The plastic cased circuit breaker with residual current protection according to claim 1, wherein said insert clamping plate is integral with the module body, and said engagement block is integral with the module body.
3. Residual current protected plastic cased circuit breaker according to claim 1, wherein said energizing post holes are three in number.
4. Residual current protected plastic case circuit breaker according to claim 1, characterized in that said circuit breaker is a 3P circuit breaker.
5. The plastic cased circuit breaker with residual current protection according to claim 1, wherein said clip groove is used in cooperation with an insertion clip, and said docking slider is used in cooperation with a docking chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725550.5U CN214753615U (en) | 2021-04-09 | 2021-04-09 | Plastic casing type circuit breaker with residual current protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725550.5U CN214753615U (en) | 2021-04-09 | 2021-04-09 | Plastic casing type circuit breaker with residual current protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753615U true CN214753615U (en) | 2021-11-16 |
Family
ID=78601567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120725550.5U Expired - Fee Related CN214753615U (en) | 2021-04-09 | 2021-04-09 | Plastic casing type circuit breaker with residual current protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524802A (en) * | 2024-01-05 | 2024-02-06 | 江苏依斯特电力科技有限公司 | Environment-friendly semi-sealed upper isolation breaker |
-
2021
- 2021-04-09 CN CN202120725550.5U patent/CN214753615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524802A (en) * | 2024-01-05 | 2024-02-06 | 江苏依斯特电力科技有限公司 | Environment-friendly semi-sealed upper isolation breaker |
| CN117524802B (en) * | 2024-01-05 | 2024-03-22 | 江苏依斯特电力科技有限公司 | Environment-friendly semi-sealed upper isolation breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |