Power distribution circuit breaker

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an electric power distribution circuit breaker. Comprising a circuit breaker body and a protection mechanism, the protection mechanism comprises a U-shaped insulating plate, an insulating column, an inserting strip, a rectangular insulating plate, a connecting clamping block, a clamping plate and a tensioning device, the U-shaped insulating plate is arranged on the circuit breaker body, a partition structure can be formed between adjacent electric wires, and the possibility that electric arcs are easily caused between the adjacent electric wires is reduced; through the arrangement of the insertion strip and the rectangular insulation plate, a protection structure can be formed on the front side, isolation protection of the wire connection end can be carried out no matter the circuit breaker body is powered on or powered off, mistaken touch of maintenance personnel is avoided, safety is improved, and then the problems that when an existing circuit breaker is powered on, the safety protection effect is poor, and the service life is short can be solved. And the problem that the normal use of the circuit breaker is affected due to the fact that electric arcs are easily caused under the influence of dust and moisture due to no blocking of a partition plate between two adjacent electric wires is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field especially relates to a power distribution circuit breaker. BACKGROUND

[0002] The circuit breaker refers to the switch device that can close, carry and open the current under the normal circuit condition and can close, carry and open the current under the abnormal circuit condition for a specified time, and the types of circuit breaker are more, and the common ones are air switch and leakage protector etc.

[0003] Through the retrieval, prior art CN220341144U discloses a kind of power distribution circuit breaker of easy installation, related to circuit breaker technical field its structure includes circuit breaker, circuit breaker front side middle end is equipped with wire connection port, by being provided with clamping mechanism, rotating protruding shaft in clamping mechanism carries out counterclockwise rotation, rotating protruding shaft counterclockwise rotation will drive rotating connecting block counterclockwise rotation, rotating connecting block counterclockwise rotation will drive the connection long block accurately clamps circuit breaker, reach the purpose of easy installation, by being provided with protection mechanism, when circuit short circuit, electromagnet in protection mechanism loses electromagnetic property, will lose the force of repelling magnet, magnet will move downward under the tension of spring, magnet moves downward will drive protective cover to move downward, protective cover moves downward will cover circuit breaker, to prevent the possibility of being electrified to contact circuit breaker after power failure, play protection function.

[0004] But the short circuit device has the following problems when using: protective cover needs to play protection function under power failure, i.e. when circuit breaker is normally powered, there will be the situation of being electrified to contact circuit breaker, poor protection effect, at the same time, two adjacent wires are prone to arc under the influence of dust and moisture due to no baffle blocking, thereby affecting the normal use of circuit breaker. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of power distribution circuit breaker, to solve the problems that the safety protection effect of existing circuit breaker is poor when being powered, and two adjacent wires are prone to arc under the influence of dust and moisture due to no baffle blocking, thereby affecting the normal use of circuit breaker.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of power distribution circuit breaker, including circuit breaker body, further including protection mechanism;

[0007] The protection mechanism comprises a U-shaped insulating plate, an insulating column, an insertion strip, a rectangular insulating plate, a connecting clamping block, a clamping plate and a tensioning device, the insulating column is symmetrically arranged on both sides of the U-shaped insulating plate in an integrated mode and is detachably connected with the shell of the circuit breaker body, a through mounting hole is arranged on the insulating column, the U-shaped insulating plate is slidably inserted into the shell of the circuit breaker body, the insertion strip and the rectangular insulating plate are integrally formed and symmetrically arranged and are slidably inserted into the shell of the circuit breaker body, the rectangular insulating plate is symmetrically provided with an extended insulating part, the connecting clamping block is detachably connected with the shell of the circuit breaker body and can be arranged between two circuit breaker bodies, the clamping plate is provided with a heightening part and two T-shaped sliding grooves and is detachably connected with the circuit breaker body, and the tensioning device is arranged on the side of the clamping plate close to the circuit breaker body.

[0008] The circuit breaker body is further provided with a communication module.

[0009] The rear side of the circuit breaker body is further provided with a clamping limiting part.

[0010] The tensioning device comprises a T-shaped block and a tensioning screw, the T-shaped block can linearly slide in the T-shaped sliding groove, the tensioning screw is detachably connected with the circuit breaker body and is threadedly connected with the T-shaped block and has a T-shaped structure.

[0011] The T-shaped block is symmetrically provided with adjusting ears, and the adjusting ears are provided with a slot.

[0012] The protection mechanism further comprises a limiting pin, the limiting pin is threadedly connected with the clamping plate and is arranged in the T-shaped sliding groove and located on both sides of the T-shaped sliding groove.

[0013] The power distribution circuit breaker can realize installation and fixation of the circuit breaker body through cooperation of the clamping plate and the tensioning device, further, the U-shaped insulating plate arranged on the circuit breaker body can form a partition structure between adjacent electric wires, reduce the possibility of arc caused between adjacent electric wires, then, the insertion strip and the rectangular insulating plate can form a protection structure on the front side, can isolate and protect the connection end of the electric wire whether the circuit breaker body is powered on or powered off, avoid accidental touch of the maintenance personnel, improve the safety, and further solve the problems that the safety protection effect of the existing circuit breaker is poor when powered on and arc is easily caused between two adjacent electric wires due to no partition plate blocking under the influence of dust and moisture, thereby affecting the normal use of the circuit breaker. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0015] Figure 1 is the overall structure schematic diagram of the power distribution circuit breaker of the first embodiment of the utility model.

[0016] Figure 2 is the structure schematic diagram of the U-shaped insulation plate of the first embodiment of the utility model.

[0017] Figure 3 is the overall structure schematic diagram of the power distribution circuit breaker of the second embodiment of the utility model.

[0018] In the figure: 101-circuit breaker body, 102-U-shaped insulation plate, 103-insulation column, 104-insertion strip, 105-rectangular insulation plate, 106-connection clamping block, 107-clamping plate, 108-elongated insulation part, 109-T-shaped sliding groove, 110-communication module, 111-clamping limiting part, 112-T-shaped block, 113-tensioning screw, 114-adjusting lug, 201-limiting pin. DETAILED DESCRIPTION

[0019] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.

[0020] Embodiment one:

[0021] As shown in Figure 1 and Figure 2 , wherein Figure 1 is the overall structure schematic diagram of the power distribution circuit breaker, Figure 2 is the structure schematic diagram of the U-shaped insulation plate 102, the utility model provides a kind of power distribution circuit breaker: including circuit breaker body 101 and protection mechanism, the protection mechanism includes U-shaped insulation plate 102, insulation column 103, insertion strip 104, rectangular insulation plate 105, connection clamping block 106, clamping plate 107 and tensioning device, the tensioning device includes T-shaped block 112 and tensioning screw 113. Through the foregoing scheme, the problem that the safety protection effect is poor when the existing circuit breaker is powered on, and the arc is easily caused under the influence of dust and moisture between two adjacent wires due to no baffle blocking, thereby affecting the normal use of circuit breaker can be solved, it can be understood that the foregoing scheme can improve the safety and facilitate normal work use when the circuit breaker body 101 is powered on.

[0022] In the present embodiment, the circuit breaker body 101 upper side is power line side, and the lower side is load wire connection side.

[0023] The insulating column 103 is integrally and symmetrically arranged on both sides of the U-shaped insulating plate 102 and detachably connected with the shell of the circuit breaker body 101, the insulating column 103 is provided with a through mounting hole, the U-shaped insulating plate 102 is slidably inserted into the shell of the circuit breaker body 101, the insertion strip 104 is integrally formed with the rectangular insulating plate 105 and symmetrically arranged and slidably inserted into the shell of the circuit breaker body 101, the rectangular insulating plate 105 is symmetrically provided with an extended insulating part 108, the connecting clamping block 106 is detachably connected with the shell of the circuit breaker body 101 and can be arranged between two circuit breaker bodies 101, the clamping plate 107 is provided with a raised part and two T-shaped sliding grooves 109 and detachably connected with the circuit breaker body 101, the tensioning device is arranged on the side of the clamping plate 107 close to the circuit breaker body 101; the insulating column 103 is integrally arranged with the U-shaped insulating plate 102, after the U-shaped insulating plate 102 is slidably inserted into the U-shaped groove of the shell of the circuit breaker body 101, the insulating column 103 is fixed by bolts, so that the U-shaped insulating plate 102 is installed and fixed, the shell of the circuit breaker body 101 is provided with sliding grooves on both sides, facilitating the installation of the insertion strip 104, the insertion strip 104 is made of insulating material, the rectangular insulating plate 105 is used for front side isolation protection, the extended insulating part 108 is used for isolation protection cooperation, the connecting clamping block 106 is U-shaped, the insertion slot can be arranged on the top of the shell of the circuit breaker body 101, when the circuit breaker bodies 101 are installed in close contact with each other, the connecting clamping block 106 can be arranged thereon, the connecting clamping block 106 is made of insulating material, and the tensioning device is used for fixing the circuit breaker body 101.

[0024] The circuit breaker body 101 is further provided with a communication module 110. The communication module 110 sends power consumption information to a remote control center, so that the remote control center monitors and analyzes the power consumption data. The communication module 110 realizes data transmission through wireless transmission.

[0025] Secondly, the circuit breaker body 101 is further provided with a clamping limiting part 111. This structure facilitates the installation and cooperation of the circuit breaker body 101 and the clamping plate 107.

[0026] Then, the T-shaped block 112 can be linearly slid in the T-shaped sliding groove 109; the tension screw 113 is detachably connected with the circuit breaker body 101 and is in T-shaped structure and is threadedly connected with the T-shaped block 112. The T-shaped block 112 can be directly slid in the T-shaped sliding groove 109, and then the threaded hole is matched with the threaded end of the tension screw 113 to fix the circuit breaker body 101. When the circuit breaker body 101 is installed, the circuit breaker body 101 is hung on the clamping plate 107 from the upper to the lower direction through the clamping limiting part 111, further, the position of the T-shaped block 112 is adjusted, and finally the tension screw 113 is fastened. When the circuit breaker body 101 needs to be installed by multiple fitting assemblies, the tension screw 113 can be completely fastened after being fitted with each other.

[0027] Finally, the adjusting ears 114 are symmetrically arranged on the T-shaped block 112, and a slot is arranged on the adjusting ear 114. The adjusting ear 114 is beneficial to the insertion of a one-end starting part for adjusting the position of the T-shaped block 112. Meanwhile, the insertion hole is also symmetrically arranged on the T-shaped block 112, and the insertion hole is beneficial to the insertion of a cross-end starting part for adjusting the position of the T-shaped block 112. When the tension screw 113 is fastened, the worker needs to insert the corresponding starting part into the slot or the insertion hole of the adjusting ear 114 to adjust the position and then hold it with one hand, and finally the tension screw 113 can be rotated and fastened with the other hand.

[0028] When the utility model is used to solve the problem that the safety protection effect is poor when the existing circuit breaker is powered on, and the two adjacent wires are easy to cause electric arc under the influence of dust and moisture due to the lack of partition, thereby affecting the normal use of the circuit breaker, the circuit breaker body 101 is installed and fixed under the cooperation of the clamping plate 107 and the tensioning device, further, the U-shaped insulating plate 102 is arranged on the circuit breaker body 101, which can form a partition structure between the adjacent wires to reduce the possibility of causing electric arc between the adjacent wires, then the insertion strip 104 and the rectangular insulating plate 105 are arranged, which can form a protection structure on the front side, and can isolate and protect the wire connection end part whether the circuit breaker body 101 is powered on or powered off, thereby avoiding the mistake of the maintenance personnel and improving the safety. When the wire end part is disassembled, the rectangular insulating plate 105 can be directly taken off after the total power supply is turned off, thereby solving the problem that the safety protection effect is poor when the existing circuit breaker is powered on, and the two adjacent wires are easy to cause electric arc under the influence of dust and moisture due to the lack of partition, thereby affecting the normal use of the circuit breaker.

[0029] Embodiment two:

[0030] As shown in the figure, Figure 3 the adjusting ears 114 are symmetrically arranged on the T-shaped block 112, and a slot is arranged on the adjusting ear 114. The adjusting ear 114 is beneficial to the insertion of a one-end starting part for adjusting the position of the T-shaped block 112. Meanwhile, the insertion hole is also symmetrically arranged on the T-shaped block 112, and the insertion hole is beneficial to the insertion of a cross-end starting part for adjusting the position of the T-shaped block 112. When the tension screw 113 is fastened, the worker needs to insert the corresponding starting part into the slot or the insertion hole of the adjusting ear 114 to adjust the position and then hold it with one hand, and finally the tension screw 113 can be rotated and fastened with the other hand. Figure 3It is the overall structural schematic diagram of power distribution circuit breaker, on the basis of first embodiment, the utility model provides a kind of power distribution circuit breaker, the protection mechanism further includes limit pin 201, the limit pin 201 is connected with the clamping plate 107 screw thread, and it is arranged in the T-shaped runner 109, and it is located at the both sides of the T-shaped runner 109.

[0031] In the present embodiment, the limit pin 201 is directly installed in the threaded hole on the clamping plate 107 with the outer threaded end of the front side, and an inner hexagonal hole is provided on the end face away from the outer threaded end to facilitate installation by a hexagonal wrench. The limit pin 201 does not abut the housing of the circuit breaker body 101 after installation, and its function is only to prevent the T-shaped block 112 from disengaging from the clamping plate 107 after the circuit breaker body 101 is removed.

[0032] The above disclosure is only one or more preferred embodiments of the present application, which cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above embodiments is within the scope of the present application.

Claims

1. A power distribution circuit breaker comprising a circuit breaker body, characterized in that: It further comprises a protection mechanism; The protection mechanism comprises a U-shaped insulating plate, an insulating column, an insert strip, a rectangular insulating plate, a connecting block, a clamping plate and a tensioning device, the insulating column is integrally and symmetrically arranged on both sides of the U-shaped insulating plate and is detachably connected with the shell of the circuit breaker body, a through mounting hole is arranged on the insulating column, the U-shaped insulating plate is in sliding plug-in cooperation with the shell of the circuit breaker body, the insert strip is integrally formed with the rectangular insulating plate and is symmetrically arranged and in sliding plug-in cooperation with the shell of the circuit breaker body, the rectangular insulating plate is symmetrically provided with an extension insulating portion, the connecting block is detachably connected with the shell of the circuit breaker body and can be arranged between two circuit breaker bodies, the clamping plate is provided with a raised portion and two T-shaped sliding grooves and is detachably connected with the circuit breaker body, and the tensioning device is arranged on the side of the clamping plate close to the circuit breaker body. The circuit breaker body is further provided with a communication module.

2. The power distribution circuit breaker according to claim 1, characterized in that: The rear side of the circuit breaker body is further provided with a clamping limiting portion.

3. The power distribution circuit breaker according to claim 1, characterized in that: The tensioning device comprises a T-shaped block and a tensioning screw, the T-shaped block can slide linearly in the T-shaped sliding groove, the tensioning screw is detachably connected with the circuit breaker body and is in threaded connection with the T-shaped block and has a T-shaped structure.

4. The power distribution circuit breaker according to claim 3, characterized in that: The T-shaped block is symmetrically provided with an adjusting lug, and the adjusting lug is provided with a slot.

5. The power distribution circuit breaker of claim 1, wherein : The protection mechanism further comprises a limiting pin, the limiting pin is in threaded connection with the clamping plate and is arranged in the T-shaped sliding groove and located on both sides of the T-shaped sliding groove.

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