CN210156334U - Circuit breaker with coreless motor replacing traditional relay structure - Google Patents
Circuit breaker with coreless motor replacing traditional relay structure Download PDFInfo
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- CN210156334U CN210156334U CN201921331749.9U CN201921331749U CN210156334U CN 210156334 U CN210156334 U CN 210156334U CN 201921331749 U CN201921331749 U CN 201921331749U CN 210156334 U CN210156334 U CN 210156334U
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Abstract
The utility model discloses a replace circuit breaker of traditional relay structure with coreless motor, including the shell, the mounting groove has been seted up to the tip before in the shell, has placed zero sequence transformer in the mounting groove, and the rear right side that is located the mounting groove on the shell is provided with the leakage motor groove, installs the leakage motor in the leakage motor groove, installs worm one on the motor shaft of leakage motor, and a worm meshing is connected with gear one, and gear one rotates through pivot and shell up end to be connected, and the lug is installed to gear one upper end, the rear side of gear one is provided with rotatory strip, and rotatory strip rotates through rotating to connect the shell. The utility model discloses after well zero sequence transformer detected the electric current, through amplifier circuit direct drive leakage motor to reach disconnected purpose, simple structure, response speed is fast, and small, and the moment of torsion is big, and the leakage motor can install in the middle of reclosing lock's structure, gives the more spaces that the circuit board left.
Description
Technical Field
The utility model relates to a circuit breaker specifically is a circuit breaker with coreless motor replaces traditional relay structure.
Background
The traditional electric leakage detection work of the circuit breaker is that after a zero sequence transformer senses current, an amplifying circuit drives a relay to be closed, then a magnetic head of an electromagnetic coil is driven, and the circuit breaker is pushed open, so that the purpose of electric leakage protection is achieved. The traditional structure needs to be composed of accessories such as a relay, an electromagnetic coil and the like, and is complex in structure and large in occupied space. Accordingly, those skilled in the art have provided a circuit breaker in which a conventional relay structure is replaced with a coreless motor to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a replace circuit breaker of traditional relay structure with coreless motor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a circuit breaker with a hollow cup motor replacing a traditional relay structure comprises a shell, a mounting groove, a zero sequence transformer, a first gear, a rotating strip, a second gear, a third gear, a fourth gear, a fifth gear and a half gear, wherein the mounting groove is formed in the front end part in the shell, the zero sequence transformer is placed in the mounting groove, a leakage motor groove is formed in the right side of the rear part of the mounting groove at the upper end of the shell, a leakage motor is installed in the leakage motor groove, a first worm is installed on a motor shaft of the leakage motor and meshed with the first gear, the first gear is rotatably connected with the upper end face of the shell through a rotating shaft, a convex block is installed at the upper end of the first gear, the rotating strip is arranged on the rear side of the first gear;
the upper end of the shell is provided with a reclosing motor groove on the left side of the leakage motor groove, a reclosing motor is installed in the reclosing motor groove, a second worm is installed on a motor shaft of the reclosing motor, the second worm is meshed with a second gear, the second gear is meshed with a third gear, the third gear is meshed with a fourth gear, the fourth gear is meshed with a fifth gear, and the fifth gear is meshed with a half gear.
As a further aspect of the present invention: and the second gear, the third gear, the fourth gear, the fifth gear and the half gear are rotationally connected with the upper end surface of the shell through rotating shafts.
As a further aspect of the present invention: and fan-shaped teeth are arranged on the side surfaces of the half gears and are meshed with the fifth gear.
As a further aspect of the present invention: and the upper end of the shell is provided with return springs on the front side and the rear side of the half gear.
As a further aspect of the present invention: the edge position of the upper end of the shell is provided with a plurality of fixing holes, and the fixing holes comprise but are not limited to threaded holes.
As a further aspect of the present invention: the output end of the zero sequence transformer is connected with an amplifying circuit, and the output end of the amplifying circuit is electrically connected with the leakage motor.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses after well zero sequence transformer detected the electric current, through amplifier circuit direct drive leakage motor to reach disconnected purpose, simple structure, response speed is fast, and small, and the moment of torsion is big, and the leakage motor can install in the middle of reclosing lock's structure, gives the more spaces that the circuit board left.
Drawings
Fig. 1 is a schematic diagram of a circuit breaker in which a conventional relay structure is replaced with a coreless motor.
In the figure: 1-a housing; 2-mounting grooves; 3-a zero sequence transformer; 4-fixing holes; 5-leakage motor slot; 6-leakage motor; 7-a first worm; 8, a first gear; 9-a bump; 10-rotating the strip; 11-reclosing motor slot; 12-a reclosing motor; 13-a second worm; 14-gear two; 15-gear three; 16-gear four; 17-gear five; 18-half gear; 19-sector teeth; 20-a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a circuit breaker using a coreless motor to replace a conventional relay structure includes a housing 1, a mounting groove 2, a zero sequence transformer 3, a first gear 8, a rotating bar 10, a second gear 14, a third gear 15, a fourth gear 16, a fifth gear 17, and a half gear 18, the front end part in the shell 1 is provided with a mounting groove 2, a zero sequence transformer 3 is arranged in the mounting groove 2, and the right side of the upper end of the shell 1, which is positioned at the rear of the mounting groove 2, is provided with a leakage motor groove 5, a leakage motor 6 is arranged in the leakage motor groove 5, a first worm 7 is arranged on a motor shaft of the leakage motor 6, the first worm 7 is engaged with a first gear 8, the first gear 8 is rotationally connected with the upper end surface of the shell 1 through a rotating shaft, the upper end of the first gear 8 is provided with a lug 9, a rotating strip 10 is arranged on the rear side of the first gear 8, and the rotating strip 10 is rotatably connected with the shell 1 through rotation;
a reclosing motor groove 11 is formed in the left side of the leakage motor groove 5 at the upper end of the shell 1, a reclosing motor 12 is installed in the reclosing motor groove 11, a second worm 13 is installed on a motor shaft of the reclosing motor 12, the second worm 13 is meshed with a second gear 14, the second gear 14 is meshed with a third gear 15, the third gear 15 is meshed with a fourth gear 16, the fourth gear 16 is meshed with a fifth gear 17, and the fifth gear 17 is meshed with a half gear 18.
The second gear 14, the third gear 15, the fourth gear 16, the fifth gear 17 and the half gear 18 are rotatably connected with the upper end face of the shell 1 through rotating shafts.
The side surface of the half gear 18 is provided with a sector tooth 19, and the sector tooth 19 is meshed with the fifth gear 17.
And return springs 20 are arranged at the upper end of the shell 1 and positioned at the front side and the rear side of the half gear 18.
A plurality of fixing holes 4 are formed in the edge position of the upper end of the housing 1, and the fixing holes 4 include but are not limited to threaded holes.
The output end of the zero sequence transformer 3 is connected with an amplifying circuit, and the output end of the amplifying circuit is electrically connected with a leakage motor 6.
The utility model discloses a theory of operation is:
when the utility model is used, the reclosing motor 12 works to drive the second worm 13 to rotate, the second worm 13 is meshed with the second gear 14, the second gear 14 is meshed with the third gear 15, the third gear 15 is meshed with the fourth gear 16, the fourth gear 16 is meshed with the fifth gear 17, the fifth gear 17 is meshed with the fifth gear 18, so that the fifth gear 18 rotates, and the switching-on and switching-off of the circuit breaker are controlled;
meanwhile, when the zero sequence transformer 3 detects electric leakage, the zero sequence transformer 3 supplies power to the leakage motor 6 to enable the leakage motor to work, the leakage motor 6 drives the worm I7 to rotate, the worm I7 is meshed with the gear I8, and the upper end of the gear I8 is provided with the lug 9 to rotate, so that the lug 9 drives the rotating strip 10 to rotate, the function of opening a brake is achieved, and a circuit is protected.
The utility model discloses after well zero sequence transformer 3 detected the electric current, through amplifier circuit direct drive electric leakage motor 6 to reach disconnected purpose, simple structure, response speed is fast, and small, and the moment of torsion is big, and the mountable of electric leakage motor 6 in the middle of reclosing lock's structure, more spaces that leave for the circuit board.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A circuit breaker using a coreless motor to replace a traditional relay structure is characterized by comprising a shell (1), a mounting groove (2), a zero sequence transformer (3), a first gear (8), a rotating strip (10), a second gear (14), a third gear (15), a fourth gear (16), a fifth gear (17) and a half gear (18), wherein the mounting groove (2) is formed in the front end part in the shell (1), the zero sequence transformer (3) is placed in the mounting groove (2), a leakage motor groove (5) is formed in the right side of the rear part of the mounting groove (2) at the upper end of the shell (1), a leakage motor (6) is installed in the leakage motor groove (5), a first worm (7) is installed on a motor shaft of the leakage motor (6), the first worm (7) is meshed with the first gear (8), and the first gear (8) is rotatably connected with the upper end face of the shell (1) through, the upper end of the first gear (8) is provided with a convex block (9), the rear side of the first gear (8) is provided with a rotating strip (10), and the rotating strip (10) is rotatably connected with the shell (1) through rotation;
the upper end of the shell (1) is provided with a reclosing motor groove (11) on the left side of the leakage motor groove (5), a reclosing motor (12) is installed in the reclosing motor groove (11), a second worm (13) is installed on a motor shaft of the reclosing motor (12), the second worm (13) is meshed with a second gear (14), the second gear (14) is meshed with a third gear (15), the third gear (15) is meshed with a fourth gear (16), the fourth gear (16) is meshed with a fifth gear (17), and the fifth gear (17) is meshed with a fifth gear (18).
2. The circuit breaker using the coreless motor to replace the traditional relay structure is characterized in that the gear II (14), the gear III (15), the gear IV (16), the gear V (17) and the half gear (18) are rotatably connected with the upper end face of the shell (1) through rotating shafts.
3. A circuit breaker using a coreless motor instead of the conventional relay structure according to claim 1, wherein the side of the half gear (18) is provided with a sector tooth (19), and the sector tooth (19) is engaged with the five gear (17).
4. The circuit breaker using a coreless motor to replace the conventional relay structure as claimed in claim 1, wherein the return springs (20) are provided at the upper end of the housing (1) at both the front and rear sides of the half gear (18).
5. The circuit breaker using the coreless motor to replace the conventional relay structure according to claim 1, wherein a plurality of fixing holes (4) are formed at an upper edge position of the housing (1), and the fixing holes (4) include but are not limited to threaded holes.
6. The circuit breaker using the coreless motor to replace the traditional relay structure according to claim 1, wherein the output end of the zero sequence transformer (3) is connected with an amplifying circuit, and the output end of the amplifying circuit is electrically connected with the leakage motor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331749.9U CN210156334U (en) | 2019-08-13 | 2019-08-13 | Circuit breaker with coreless motor replacing traditional relay structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331749.9U CN210156334U (en) | 2019-08-13 | 2019-08-13 | Circuit breaker with coreless motor replacing traditional relay structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156334U true CN210156334U (en) | 2020-03-17 |
Family
ID=69766980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921331749.9U Active CN210156334U (en) | 2019-08-13 | 2019-08-13 | Circuit breaker with coreless motor replacing traditional relay structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210156334U (en) |
-
2019
- 2019-08-13 CN CN201921331749.9U patent/CN210156334U/en active Active
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