CN216389227U - Low-voltage circuit breaker - Google Patents
Low-voltage circuit breaker Download PDFInfo
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- CN216389227U CN216389227U CN202123046732.9U CN202123046732U CN216389227U CN 216389227 U CN216389227 U CN 216389227U CN 202123046732 U CN202123046732 U CN 202123046732U CN 216389227 U CN216389227 U CN 216389227U
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Abstract
The application provides a low-voltage circuit breaker, through the low pressure outage components and parts among the breaker unit ware subassembly, realized letting the electric wire run through the circular input end of electric wire, twist input fastening bolt with the screwdriver and fix it back, low pressure outage components and parts through the inboard setting of circuit breaker, short circuit outage components and parts, electric leakage outage components and parts, overload outage components and parts, not only supply the low-time outage of voltage, and can be to the short circuit, the electric leakage, outage when situations such as overload appear, break the circuit breaker release through the circuit breaker subassembly, realized when low pressure appears, the short circuit, the electric leakage, when the overload condition takes place, the circuit breaker release can be along with the lapse magnetic coil's of ordering about downwards, realize the effect of outage, can make the circuit breaker release upwards slide through contact circuit switch floodgate and upwards promotion.
Description
Technical Field
The utility model relates to the field of low-voltage circuit breakers, in particular to a low-voltage circuit breaker.
Background
The circuit breaker can be used for protecting a power line, a motor and the like, and can automatically cut off a circuit when serious overload or short-circuit fault occurs, the existing circuit breaker has certain defects in the using process and needs to be improved, and firstly, the existing circuit breaker is poor in circuit breaking effect in a low-voltage state in the using process, so that the existing circuit breaker is improved, and the low-voltage circuit breaker is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems of the prior art, the utility model provides the following technical scheme: a low-voltage circuit breaker is provided to improve the above-mentioned problems. The present application is specifically such that: include the upper end of circuit breaker shell body surface is equipped with the input end subassembly, the input subassembly includes the circular input end of electric wire, jack input end connector, input fastening bolt, the last fixed surface of circuit breaker shell body connects the circular input end of electric wire, the last fixed surface of circuit breaker shell body connects the jack input end connector, the surface interlude of circuit breaker shell body is connected input fastening bolt, the lower extreme of circuit breaker shell body surface is equipped with the output end subassembly, circuit breaker shell body surface middle-end is equipped with the circuit breaker subassembly, the internal surface of circuit breaker shell body is equipped with the first ware subassembly of circuit breaker.
As the preferred technical scheme of this application, the circular input end of electric wire jack input end joint input fastening bolt all is equipped with threely, all is the symmetric relation.
As the preferred technical scheme of this application, the output subassembly includes the circular output end of electric wire, jack output end joint, output fastening bolt, the lower fixed surface of circuit breaker shell body is connected the circular output end of electric wire, the lower fixed surface of circuit breaker shell body is connected jack output end joint, the surface interlude of circuit breaker shell body is connected output fastening bolt.
As the preferred technical scheme of this application, the circular output end of electric wire, jack output end joint the output end fastening bolt all is equipped with three and all is the symmetric relation.
As the preferred technical scheme of this application, the circuit breaker subassembly is including taking off a mouthful magnetic coil, circuit breaker release, circuit switch floodgate, the surface electric connection of circuit breaker shell body take off a mouthful magnetic coil, take off a mouthful magnetic coil's surface swing joint circuit breaker release, the surface fixed connection of circuit breaker release circuit switch floodgate.
As the preferred technical scheme of this application, the first ware subassembly of circuit breaker includes low-voltage outage components and parts, short circuit outage components and parts, electric leakage outage components and parts, overload outage components and parts, the internal surface electric connection of circuit breaker shell body low-voltage outage components and parts, the lower surface electric connection of low-voltage outage components and parts the short circuit outage components and parts, the lower surface electric connection of short circuit outage components and parts the electric leakage outage components and parts, the lower surface electric connection of electric leakage outage components and parts overload outage components and parts.
As the preferred technical scheme of this application, low voltage outage components and parts short circuit outage components and parts the earth leakage outage components and parts overload the equal electric connection of outage components and parts the internal surface of circuit breaker shell body.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the application:
1. the electric wire penetrates through the round input end of the electric wire through the low-voltage power-off component in the unit device assembly of the circuit breaker, and after the input end fastening bolt is screwed by a screwdriver to fix the input end fastening bolt, the low-voltage power-off component, the short-circuit power-off component, the leakage power-off component and the overload power-off component which are arranged on the inner side of the circuit breaker not only cut off the power when the voltage is low, but also cut off the power when the conditions such as short circuit, leakage and overload occur;
2. through breaker tripper in the circuit breaker subassembly, realized when low pressure, short circuit, electric leakage, overload condition take place, breaker tripper can slide downwards along with driving about of the magnetic coil of shedding, realizes the effect of outage, can make breaker tripper upwards slide through contact circuit switch floodgate and upwards promotion.
Description of the drawings:
fig. 1 is a schematic structural diagram of a low-voltage circuit breaker provided by the present application;
fig. 2 is a cross-sectional view of a low-voltage circuit breaker provided herein;
fig. 3 is a schematic view of an input terminal assembly of the low-voltage circuit breaker provided by the present application;
fig. 4 is a front view of a low-voltage circuit breaker provided by the present application;
fig. 5 is a rear view of a low-voltage circuit breaker provided by the present application;
fig. 6 is a left side view of the low-voltage circuit breaker provided in the present application.
The following are marked in the figure:
1. a circuit breaker outer housing;
2. an input end component; 201. a round input end of the wire; 202. a jack input end connector; 203. an input end fastening bolt;
3. an output end component; 301. a round output end of the wire; 302. a jack output terminal connector; 303. the output end is fastened with a bolt;
4. a circuit breaker assembly; 401. a shedding magnetic coil; 402. a circuit breaker release; 403. a circuit switch gate;
5. a circuit breaker unit assembly; 501. a low voltage power-off component; 502. a short circuit disconnect element; 503. a leakage power-off component; 504. and (5) overload power-off components.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. 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.
It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
As shown in fig. 1-6, this embodiment provides a low-voltage circuit breaker, the upper end of the outer surface of the circuit breaker outer casing 1 is provided with an input terminal assembly 2, the input terminal assembly 2 includes a circular input terminal 201 of an electric wire, a jack input terminal connector 202, an input terminal fastening bolt 203, the circular input terminal 201 of the upper surface fixed connection electric wire of the circuit breaker outer casing 1, the jack input terminal connector 202 of the upper surface fixed connection of the circuit breaker outer casing 1, the outer surface of the circuit breaker outer casing 1 is inserted and connected with the input terminal fastening bolt 203, the lower end of the outer surface of the circuit breaker outer casing 1 is provided with an output terminal assembly 3, the middle end of the outer surface of the circuit breaker outer casing 1 is provided with a circuit breaker assembly 4, and the inner surface of the circuit breaker outer casing 1 is provided with a circuit breaker element assembly 5.
In a preferred embodiment, in addition to the above-described embodiment, three wire round input terminals 201, three jack input terminals 202, and three input terminal fastening bolts 203 are provided, and all of them are in a symmetrical relationship.
In a preferred embodiment, in addition to the above-mentioned embodiment, the output terminal assembly 3 further includes a circular electric wire output terminal 301, a jack output terminal connector 302, and an output terminal fastening bolt 303, the circular electric wire output terminal 301 is fixedly connected to the lower surface of the circuit breaker outer housing 1, the jack output terminal connector 302 is fixedly connected to the lower surface of the circuit breaker outer housing 1, and the output terminal fastening bolt 303 is inserted and connected to the outer surface of the circuit breaker outer housing 1.
In a preferred embodiment, in addition to the above-mentioned embodiments, three wire round output terminals 301, three jack output terminals 302, and three output terminal fastening bolts 303 are provided, and all are in a symmetrical relationship.
In addition to the above-mentioned embodiments, the circuit breaker assembly 4 further includes a trip magnetic coil 401, a circuit breaker release 402 and a circuit switch gate 403, wherein the external surface of the circuit breaker outer casing 1 is electrically connected to the trip magnetic coil 401, the external surface of the trip magnetic coil 401 is movably connected to the circuit breaker release 402, and the external surface of the circuit breaker release 402 is fixedly connected to the circuit switch gate 403.
In a preferred embodiment, in addition to the above-mentioned embodiments, the breaker unit assembly 5 further includes a low-voltage power-off component 501, a short-circuit power-off component 502, a leakage power-off component 503, and an overload power-off component 504, the inner surface of the breaker housing 1 is electrically connected to the low-voltage power-off component 501, the lower surface of the low-voltage power-off component 501 is electrically connected to the short-circuit power-off component 502, the lower surface of the short-circuit power-off component 502 is electrically connected to the leakage power-off component 503, and the lower surface of the leakage power-off component 503 is electrically connected to the overload power-off component 504.
In addition to the above-described embodiments, the low-voltage cutoff component 501, the short-circuit cutoff component 502, the leakage current cutoff component 503, and the overload current cutoff component 504 are electrically connected to the inner surface of the breaker case 1.
A low-voltage circuit breaker, in use: firstly, an electric wire needs to be inserted into the jack input end connector 202 above the outer shell 1 of the circuit breaker, meanwhile, a copper wire on the surface of the electric wire penetrates through the circular input end 201 of the electric wire, the input end fastening bolt 203 is screwed by a screwdriver, the input end fastening bolt 203 effectively fixes the copper wire, similarly, the electric wire is inserted into the jack output end connector 302, the copper wire on the surface of the circular output end 301 of the electric wire is fixed through the output end fastening bolt 303, secondly, if any condition of low voltage, short circuit, leakage and overload of the electric wire occurs when the circuit breaker is used, the low-voltage power-off component 501, the short-circuit power-off component 502, the leakage power-off component 503 and the overload power-off component 504 on the inner side of the outer shell 1 of the circuit breaker can break normal load current and overload current aiming at low voltage, short circuit, leakage and overload current, and finally, When overload happens, the circuit breaker tripper 402 can slide downwards along with the driving of the magnetic coil 401, so that the power-off effect is realized, and the circuit breaker tripper 402 can slide upwards by contacting the circuit switch brake 403 and pushing upwards, so that the power-on effect is achieved.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship which is usually placed when the utility model is used, or the orientation or position relationship which is usually understood by those skilled in the art, and these terms are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all the technical solutions and modifications without departing from the spirit and scope of the present invention are within the scope of the claims of the present invention.
Claims (7)
1. A low-voltage circuit breaker comprises a circuit breaker outer shell (1) and is characterized in that an input end component (2) is arranged at the upper end of the outer surface of the circuit breaker outer shell (1), the input end component (2) comprises a round input end head (201) of an electric wire, a jack input end head (202) and an input end fastening bolt (203), the upper surface of the breaker outer shell (1) is fixedly connected with the round electric wire input end (201), the upper surface of the breaker outer shell (1) is fixedly connected with the jack input end connector (202), the outer surface of the breaker outer shell (1) is connected with the input end fastening bolt (203) in an inserting way, the lower end of the outer surface of the breaker outer shell (1) is provided with an output end component (3), a circuit breaker component (4) is arranged at the middle end of the outer surface of the circuit breaker outer shell (1), the inner surface of the circuit breaker outer shell (1) is provided with a circuit breaker unit assembly (5).
2. A low-voltage circuit breaker as claimed in claim 1, characterized in that said circular input terminal (201) of the electric wire, said jack input terminal (202) and said input terminal fastening bolt (203) are all provided in three and all in a symmetrical relationship.
3. A low-voltage circuit breaker as claimed in claim 1, characterized in that said output terminal assembly (3) comprises a circular output terminal (301) of an electric wire, a jack output terminal (302) and an output terminal fastening bolt (303), said circular output terminal (301) of an electric wire is fixedly connected to the lower surface of the outer casing (1) of the circuit breaker, said jack output terminal (302) is fixedly connected to the lower surface of the outer casing (1) of the circuit breaker, and said output terminal fastening bolt (303) is inserted into the outer surface of the outer casing (1) of the circuit breaker.
4. A low voltage circuit breaker as claimed in claim 3, characterized in that said round outlet terminal (301) of the electric wire, said outlet terminal (302) of the jack and said outlet terminal fastening bolt (303) are all three in a symmetrical relationship.
5. A low-voltage circuit breaker according to claim 1, characterized in that said circuit breaker assembly (4) comprises a trip magnetic coil (401), a circuit breaker release (402), and a circuit switch gate (403), wherein the external surface of said circuit breaker outer casing (1) is electrically connected with said trip magnetic coil (401), the external surface of said trip magnetic coil (401) is movably connected with said circuit breaker release (402), and the external surface of said circuit breaker release (402) is fixedly connected with said circuit switch gate (403).
6. The low-voltage circuit breaker as claimed in claim 1, wherein the breaker unit assembly (5) comprises a low-voltage power-off component (501), a short-circuit power-off component (502), a leakage power-off component (503) and an overload power-off component (504), the inner surface of the breaker outer shell (1) is electrically connected with the low-voltage power-off component (501), the lower surface of the low-voltage power-off component (501) is electrically connected with the short-circuit power-off component (502), the lower surface of the short-circuit power-off component (502) is electrically connected with the leakage power-off component (503), and the lower surface of the leakage power-off component (503) is electrically connected with the overload power-off component (504).
7. A low-voltage circuit breaker as claimed in claim 6, characterized in that said low-voltage power-off component (501), said short-circuit power-off component (502), said earth leakage power-off component (503) and said overload power-off component (504) are all electrically connected to the inner surface of the outer casing (1) of the circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046732.9U CN216389227U (en) | 2021-12-06 | 2021-12-06 | Low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046732.9U CN216389227U (en) | 2021-12-06 | 2021-12-06 | Low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216389227U true CN216389227U (en) | 2022-04-26 |
Family
ID=81221206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123046732.9U Active CN216389227U (en) | 2021-12-06 | 2021-12-06 | Low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216389227U (en) |
-
2021
- 2021-12-06 CN CN202123046732.9U patent/CN216389227U/en active Active
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