CN220710225U - Intelligent miniature circuit breaker - Google Patents
Intelligent miniature circuit breaker Download PDFInfo
- Publication number
- CN220710225U CN220710225U CN202322392066.7U CN202322392066U CN220710225U CN 220710225 U CN220710225 U CN 220710225U CN 202322392066 U CN202322392066 U CN 202322392066U CN 220710225 U CN220710225 U CN 220710225U
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- limiting
- circuit breaker
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- 239000011810 insulating material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an intelligent miniature circuit breaker, which comprises a fuse main body; the surface of the fuse main body is provided with a rotary switch, and the rotary switch is provided with a deflector rod; the surface of the fuse main body is provided with a first slot, and a magnetic contact and a magnetic connection bracket are arranged in the first slot; the surface of the fuse main body is provided with a second slot connected with the first slot; a bolt is arranged in the second slot; one end of the bolt is arranged at the lower end of the deflector rod; the other end of the bolt is arranged between the magnetic attraction contact and the magnetic attraction connecting bracket; when the rotary switch on the fuse is in a passage state, the bolt is arranged at the upper ends of the magnetic attraction contact and the magnetic attraction connecting bracket, and the magnetic attraction connecting bracket and the magnetic attraction contact are attraction passages; when the rotary switch on the fuse is in an open state, the poking rod extrudes the bolt downwards; the bolt is arranged between the magnetic attraction contact and the magnetic attraction connecting bracket, and the bolt is blocked between the magnetic attraction connecting bracket and the magnetic attraction contact, so that double power failure is realized.
Description
Technical Field
The utility model relates to the technical field of miniature circuit breaking protection, in particular to an intelligent miniature circuit breaker.
Background
The miniature circuit breaker is a switching device capable of closing and bearing and opening current under normal loop conditions, can be used for distributing electric energy and not frequently starting an asynchronous motor to protect a power supply line, the motor and the like, can automatically cut off the circuit when serious overload or short circuit, undervoltage and other faults occur, has the functions equivalent to the combination of a fuse type switch, an underheating relay and the like, generally does not need to change parts after breaking fault current, and is an extremely important link for generating, conveying and using electricity, and is an electric appliance with wide use quantity;
however, the existing intelligent miniature circuit breaker is low in safety, when the connection between the rotary switch for controlling the on-off of the circuit breaker and the internal control structure is disconnected, the circuit breaker cannot be normally closed, and when the circuit breaker needs to be powered off, the circuit breaker cannot be powered off; the requirement of safe electricity utilization cannot be met, so that the probability of dangerous occurrence is greatly increased.
Disclosure of Invention
In order to solve the above problems, the present utility model provides an intelligent miniature circuit breaker to solve the technical problem of low safety of the intelligent miniature circuit breaker in the above background art.
The utility model is realized by the following technical scheme: comprising a fuse body; the surface of the fuse main body is provided with a rotary switch, and the rotary switch is provided with a deflector rod; the surface of the fuse main body is provided with a first slot, and a magnetic contact and a magnetic connection bracket are arranged in the first slot;
the surface of the fuse main body is provided with a second slot connected with the first slot; a bolt is arranged in the second slot; one end of the bolt is arranged at the lower end of the deflector rod; the other end of the bolt is arranged between the magnetic attraction contact and the magnetic attraction connecting bracket.
Further, first limiting brackets are arranged on two opposite sides of the first slot; the surfaces of two opposite sides of the magnetic connection bracket are provided with first limit grooves; the first limiting bracket is arranged in the first limiting groove;
a first guide shaft is arranged in the first limiting groove, and a first guide hole is formed in the first limiting bracket; the first guide shaft is installed in the first guide hole.
Further, a first elastic element is arranged in the first limiting groove; the first elastic element is arranged outside the first guide shaft; the two ends of the first elastic element respectively support against the first limiting groove and the first limiting bracket.
Further, second limiting brackets are arranged on two opposite sides of the second groove, and second limiting grooves are arranged on two opposite side surfaces of the bolt; the second limiting bracket is arranged in the second limiting groove;
a second guide shaft is arranged in the second limiting groove, and a second guide hole is formed in the second limiting bracket; the second guide shaft is installed in the second guide hole.
Further, a second elastic element is arranged in the second limiting groove; the second elastic element is arranged outside the second guide shaft; the two ends of the second elastic element respectively support against the second limiting groove and the second limiting bracket.
Further, the surface of the fuse main body is provided with an arc-shaped groove, and the rotary switch is movably arranged in the arc-shaped groove; the surface of the fuse main body is provided with a third slot, and a connecting bracket is fixedly arranged in the third slot.
Further, a clearance groove is formed in the surface of the fuse main body, and a containing cavity for installing a fuse is formed in the surface of the clearance groove;
the surfaces of the avoidance grooves are oppositely provided with baffles; third guide shafts are arranged on two opposite sides of the avoidance groove; third guide holes are formed in two opposite sides of the surface of the baffle plate; the third guide shaft is arranged in the third guide hole;
the third guide shaft is provided with a third elastic element; the two ends of the third elastic element respectively support against the avoiding groove and the baffle plate, and a guide inclined plane which is opposite to the containing cavity is arranged on the baffle plate.
Further, a limiting chute connected with the storage cavity is arranged in the fuse main body, and a third guide shaft is arranged in the limiting chute; a conductive limit sliding block is arranged in the limit sliding groove;
the conductive limit sliding block is provided with a third guide hole; the third guide shaft is arranged in the third guide hole; the conductive limit sliding block is provided with a first tooth;
a cavity for connecting the arc-shaped groove with the limiting chute is arranged in the fuse main body; the surface of the rotary switch is provided with first teeth; a single gear set is arranged in the cavity; one end of the single gear set is meshed with the rotary switch; the other end of the singular gear set is meshed with the conductive limit sliding block.
The beneficial effects of the utility model are as follows: the rotary switch of the fuse body is provided with a deflector rod, the surface of the fuse body is provided with a first slot, a magnetic contact and a magnetic connection bracket are arranged in the first slot, and the surface of the fuse body is provided with a second slot connected with the first slot; a bolt is arranged in the second slot, one end of the bolt is arranged at the lower end of the deflector rod, and the other end of the bolt is arranged between the magnetic attraction contact and the magnetic attraction connecting bracket; when the rotary switch on the fuse is in a passage state, the bolt is arranged at the upper ends of the magnetic attraction contact and the magnetic attraction connecting bracket, and the magnetic attraction connecting bracket and the magnetic attraction contact are attraction passages; when the rotary switch on the fuse is in an open state, the poking rod extrudes the bolt downwards; the bolt is arranged between the magnetic attraction contact and the magnetic attraction connecting bracket, and the bolt is blocked between the magnetic attraction connecting bracket and the magnetic attraction contact, so that double power failure is realized.
Drawings
FIG. 1 is a schematic cross-sectional view of an intelligent miniature circuit breaker of the present utility model;
FIG. 2 is a schematic diagram of a smart micro circuit breaker according to the present utility model;
FIG. 3 is a schematic view of a portion of an intelligent miniature circuit breaker of the present utility model;
FIG. 4 is a schematic diagram II of the intelligent miniature circuit breaker of the present utility model;
FIG. 5 is a schematic cross-sectional view of an intelligent miniature circuit breaker of the present utility model;
fig. 6 is a schematic cross-sectional view of a smart micro-breaker according to the present utility model.
The reference numerals are as follows:
4. a fuse body; 1. a rotary switch; 2. a deflector rod; 5. a first slot; 17. a magnetic contact; 6. a magnetic connection bracket 6; 16. a second slot; 3. a plug pin; 21. a clearance groove; 10. a storage chamber; 9. a baffle; 19. a third guide shaft; 8. a third guide hole;
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present utility model provides an intelligent miniature circuit breaker, which includes a fuse body 4; the surface of the fuse main body 4 is provided with a rotary switch 1, and the rotary switch 1 is provided with a deflector rod 2; the surface of the fuse main body 4 is provided with a first slot 5, and a magnetic contact 17 and a magnetic connecting bracket 6 are arranged in the first slot 5;
the surface of the fuse main body 4 is provided with a second slot 16 connected with the first slot 5; a plug pin 3 is arranged in the second slot 16; one end of the bolt 3 is arranged at the lower end of the deflector rod 2; the other end of the bolt 3 is arranged between the magnetic attraction contact 17 and the magnetic attraction connecting bracket 6;
when the current in the circuit exceeds the rated current of the fuse, the fuse can automatically trip to cut off the circuit, so that overload of electric appliances or circuits is avoided, and the electric appliances and the circuits are protected from damage or fire hazard;
the rotary switch and the deflector rod on the fuse are designed to ensure that the power-off operation is more convenient and safer. When the current is required to be cut off, the rotary switch is only required to be placed in an open state, and the power failure can be realized by stirring the deflector rod, so that potential safety hazards caused by direct contact with a circuit are avoided;
the fuse adopts the combined design of the magnetic attraction contact and the bolt, when the rotary switch is in a passage state, the magnetic attraction contact and the magnetic attraction connecting bracket are attracted to form a passage, so that the normal conduction of a circuit is ensured; when the rotary switch is in an open state, the poking rod blocks the bolt between the magnetic attraction connecting support and the magnetic attraction contact, the circuit is cut off, double power-off protection is realized, and the stability and safety of the circuit are improved.
In the embodiment, the end face of the bolt 3 is in a conical shape, so that the magnetic contact 17 and the magnetic connecting bracket 6 are conveniently separated.
In the present embodiment, first limiting brackets 22 are provided on opposite sides of the first slot 5; the surfaces of the two opposite sides of the magnetic connection bracket 6 are provided with first limit grooves 23; the first limiting bracket 22 is arranged in the first limiting groove 23; a first guide shaft 50 is arranged in the first limiting groove 23, and a first guide hole 51 is arranged on the first limiting bracket 22; the first guide shaft 50 is installed in the first guide hole 51.
In the present embodiment, a first elastic element is installed in the first limiting groove 23; the first elastic element is arranged outside the first guide shaft 50; the two ends of the first elastic element respectively support against the first limiting groove 23 and the first limiting bracket 22.
In the present embodiment, second limiting brackets 24 are disposed on opposite sides of the second slot 16, and second limiting grooves 25 are disposed on opposite side surfaces of the latch 3; the second limiting bracket 24 is arranged in the second limiting groove 25;
a second guide shaft 33 is arranged in the second limiting groove 25, and a second guide hole 34 is arranged on the second limiting bracket 24; the second guide shaft 33 is installed in the second guide hole 34.
In the present embodiment, a second elastic element is installed in the second limit groove 25; the second elastic element is arranged outside the second guide shaft 33; the two ends of the second elastic element respectively support against the second limiting groove 25 and the second limiting bracket 24.
In the embodiment, the surface of the fuse main body 4 is provided with an arc-shaped groove 13, and the rotary switch 1 is movably arranged in the arc-shaped groove 13; the surface of the fuse main body 4 is provided with a third slot 27, and a connecting bracket 28 is fixedly arranged in the third slot 27.
In the present embodiment, the surface of the fuse body 4 is provided with a clearance groove 21, and the surface of the clearance groove 21 is provided with a receiving cavity 10 for installing a fuse; the surface of the avoidance slot 21 is oppositely provided with a baffle plate 9; the third guide shafts 19 are arranged on the opposite sides of the avoidance groove 21; the opposite sides of the surface of the baffle plate 9 are provided with third guide holes 8; the third guide shaft 19 is installed in the third guide hole 8; the third guide shaft 19 is provided with a third elastic element; the two ends of the third elastic element respectively support the avoiding groove 21 and the baffle plate 9, and a guide inclined plane 7 which is opposite to the containing cavity 10 is arranged on the baffle plate 9; when the fuse is extruded to the guide inclined surface 7, the two sides of the baffle can be pushed away, so that the fuse is conveniently installed in the accommodating cavity.
In the present embodiment, a limit chute 11 connected to the housing chamber 10 is provided in the fuse main body 4, and a fourth guide shaft 12 is installed in the limit chute 11; a conductive limit sliding block 18 is arranged in the limit sliding groove 11; a third guide hole is formed in the conductive limit sliding block 18; the fourth guide shaft 12 is installed in the third guide hole; the conductive limit sliding block 18 is provided with a first tooth;
a cavity 15 for connecting the arc-shaped groove 13 with the limit chute 11 is arranged in the fuse main body 4; the surface of the rotary switch 1 is provided with first teeth; a single gear set 14 is arranged in the cavity 15; one end of the single gear set 14 is meshed with the rotary switch 1; the other end of the singular gear set 14 is meshed with the conductive limit slide block 18;
one end of the fuse in the accommodating cavity 10 is connected with the connecting bracket 28; one end of the conductive limit slide block 18 is connected with the magnetic attraction connecting bracket 6; moving the connecting bracket 28 to the fuse to be conducted by controlling the rotary switch to rotate, so that the circuit breaker is in a circuit path and is in a reverse short circuit; the plug 3 is made of insulating materials.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (9)
1. An intelligent miniature circuit breaker comprises a fuse main body (4); the method is characterized in that: the surface of the fuse main body (4) is provided with a rotary switch (1), and the rotary switch (1) is provided with a deflector rod (2); the surface of the fuse main body (4) is provided with a first slot (5), and a magnetic contact (17) and a magnetic connection bracket (6) are arranged in the first slot (5);
the surface of the fuse main body (4) is provided with a second slot (16) connected with the first slot (5); a bolt (3) is arranged in the second slot (16); one end of the bolt (3) is arranged at the lower end of the deflector rod (2); the other end of the bolt (3) is arranged between the magnetic attraction contact (17) and the magnetic attraction connecting bracket (6).
2. The intelligent miniature circuit breaker of claim 1, wherein: the first slot (5) is provided with first limit brackets (22) on two opposite sides; the surfaces of two opposite sides of the magnetic connection bracket (6) are provided with first limit grooves (23); the first limiting bracket (22) is arranged in the first limiting groove (23);
a first guide shaft (50) is arranged in the first limit groove (23), and a first guide hole (51) is formed in the first limit bracket (22); the first guide shaft (50) is mounted in the first guide hole (51).
3. The intelligent miniature circuit breaker of claim 2, wherein: a first elastic element is arranged in the first limit groove (23); the first elastic element is arranged outside the first guide shaft (50); the two ends of the first elastic element respectively support against the first limiting groove (23) and the first limiting bracket (22).
4. The intelligent miniature circuit breaker of claim 1, wherein: second limiting brackets (24) are arranged on two opposite sides of the second slot (16), and second limiting grooves (25) are formed in the surfaces of two opposite sides of the bolt (3); the second limiting bracket (24) is arranged in the second limiting groove (25);
a second guide shaft (33) is arranged in the second limit groove (25), and a second guide hole (34) is arranged on the second limit bracket (24); the second guide shaft (33) is mounted in the second guide hole (34).
5. The intelligent miniature circuit breaker of claim 4, wherein: a second elastic element is arranged in the second limit groove (25); the second elastic element is arranged outside the second guide shaft (33); two ends of the second elastic element respectively support against the second limiting groove (25) and the second limiting bracket (24).
6. The intelligent miniature circuit breaker of claim 1, wherein: the surface of the fuse main body (4) is provided with an arc-shaped groove (13), and the rotary switch (1) is movably arranged in the arc-shaped groove (13); the surface of the fuse main body (4) is provided with a third slot (27), and a connecting bracket (28) is fixedly arranged in the third slot (27).
7. The intelligent miniature circuit breaker of claim 1, wherein: the surface of the fuse main body (4) is provided with a clearance groove (21), and the surface of the clearance groove (21) is provided with a containing cavity (10) for installing a fuse;
a baffle (9) is oppositely arranged on the surface of the avoidance groove (21); the opposite sides of the avoidance groove (21) are provided with third guide shafts (19); the opposite sides of the surface of the baffle plate (9) are provided with third guide holes (8); the third guide shaft (19) is arranged in the third guide hole (8);
a third elastic element is arranged on the third guide shaft (19); the two ends of the third elastic element respectively support against the avoidance groove (21) and the baffle plate (9), and a guide inclined plane (7) which is opposite to the storage cavity (10) is arranged on the baffle plate (9).
8. The intelligent miniature circuit breaker of claim 1, wherein: a limiting chute (11) connected with the accommodating cavity (10) is arranged in the fuse main body (4), and a fourth guide shaft (12) is arranged in the limiting chute (11); a conductive limit sliding block (18) is arranged in the limit sliding groove (11);
a third guide hole is formed in the conductive limit sliding block (18); the fourth guide shaft (12) is arranged in the third guide hole; the conductive limit sliding block (18) is provided with a first tooth;
a cavity (15) for connecting the arc-shaped groove (13) with the limit chute (11) is arranged in the fuse main body (4); the surface of the rotary switch (1) is provided with first teeth; a single gear set (14) is arranged in the cavity (15); one end of the single gear set (14) is meshed with the rotary switch (1); the other end of the single gear set (14) is meshed with the conductive limit sliding block (18).
9. The intelligent miniature circuit breaker of claim 1, wherein: the bolt (3) is made of insulating materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322392066.7U CN220710225U (en) | 2023-09-04 | 2023-09-04 | Intelligent miniature circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322392066.7U CN220710225U (en) | 2023-09-04 | 2023-09-04 | Intelligent miniature circuit breaker |
Publications (1)
Publication Number | Publication Date |
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CN220710225U true CN220710225U (en) | 2024-04-02 |
Family
ID=90442393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322392066.7U Active CN220710225U (en) | 2023-09-04 | 2023-09-04 | Intelligent miniature circuit breaker |
Country Status (1)
Country | Link |
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CN (1) | CN220710225U (en) |
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2023
- 2023-09-04 CN CN202322392066.7U patent/CN220710225U/en active Active
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