CN218182143U - Intelligent reclosing molded case circuit breaker - Google Patents

Abstract

The utility model discloses an intelligent reclosing plastic case circuit breaker, which relates to the technical field of circuit breakers, and the plastic case circuit breaker with high breaking function is provided with a circuit breaking controller with high breaking function, and the front side of a case base is provided with a control groove; when needs maintain the inside equipment of casing base, can outwards pull out casing base from the electronic box inside, and then conveniently maintain it, casing base does not break away from with the dead lever completely this moment, consequently can rotate the thread bush and install it once more after the maintenance finishes, and then make the inside equipment of casing base when maintaining, do not demolish completely between its and electronic box in needs, and then the convenience is to the installation after its maintenance finishes with the maintenance.

Description

Intelligent reclosing molded case circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, in particular to intelligence reclosing lock moulded case circuit breaker.

Background

The plastic case circuit breaker is a commonly used distribution protection electric appliance, has the functions of on-off, overload and short circuit protection for load power supply, and is widely applied to a power distribution system. Compared with a miniature circuit breaker, the overcurrent and short-circuit faults of the miniature circuit breaker are respectively protected by two sets of devices, the overcurrent protection action value can be manually adjusted, the miniature circuit breaker has higher current carrying capacity and strong arc extinguishing capacity and can bear larger short-circuit current, and therefore, the miniature circuit breaker can be widely used in a distribution box and used as a power supply control switch and protection of equipment such as a distribution line, a motor, an illuminating circuit and an electric heater.

Through the relevant literature of inquiry, and in-service use learns, current moulded case circuit breaker, carry out fixed connection between the inside mounting panel of bolt and electronic box usually, because electronic box inner space is comparatively narrow and small, when the circuit breaker produced the trouble in long-term the use, just need get off its dismantlement from electronic box inside and maintain it, and the maintenance is installed again through the bolt after finishing, this kind of mode has not only increased maintenance personal's intensity of labour, bolt fastening makes the circuit breaker produce not hard up phenomenon easily simultaneously, consequently, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, the utility model provides an intelligence reclosing moulded case circuit breaker, can solve because the electronic box inner space is comparatively narrow and small, when the circuit breaker produced the trouble in long-term the use, just need get off its dismantlement from electronic box inside and maintain it, and the maintenance is installed again through the bolt after finishing, this kind of mode has not only increased maintenance personal's intensity of labour, bolt fastening makes the circuit breaker produce not hard up phenomenon easily simultaneously, consequently, there is the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent reclosing molded case circuit breaker comprises a case base, wherein the case base is rectangular and hollow, a circuit breaking controller with a high breaking function is arranged inside the case base, and a control groove is formed in the front side of the case base;

the circuit breaking controller with high breaking function can be used for controlling the automatic power-off function of an external circuit;

the upper end and the lower end of the shell base are both provided with wire holes, and the wire holes are used for installing external wires;

the control groove is used for accommodating a circuit breaking controller and electronic components of the circuit breaker;

built-in grooves are formed in the upper end and the lower end of the shell base, rotating holes are formed in the front side of the shell base, the built-in grooves are communicated with each other, and detaching mechanisms are arranged inside the rotating holes.

Further comprising:

the inner part of the control groove is movably connected with a sealing cover which is used for sealing the control groove;

the front side of the shell base is provided with a fixing hole communicated with the wire hole, the inner thread of the fixing hole is connected with a fixing screw rod, and the fixing screw rod is used for fixing an external wire inside the multi-wire hole

Further comprising:

the sealing cover is provided with a through groove, the circuit breaking controller extends to the surface of the shell base through the through groove, and the through groove is used for avoiding the circuit breaking controller so that the circuit breaking controller can be manually controlled.

Further comprising:

the four sides of the sealing cover are fixedly connected with rubber pads in a shape like a Chinese character 'hui', and the rubber pads can enable the sealing cover and the control groove to be movably connected through elasticity and friction force of the rubber pads.

Further comprising:

the dismounting mechanism comprises a fixed rod arranged in the built-in groove, a sliding hole is formed in the inner wall of the rear side of the built-in groove, and the fixed rod penetrates through the outer surface of the shell base through the sliding hole;

the fixed rod is slidably connected with a ring-shaped gasket, and the gasket is fixedly connected with one side of the shell base close to the electric box mounting plate;

the fixing rod is provided with a mounting groove, and the mounting groove is used for assembling a part of structure of the dismounting mechanism.

Further comprising:

the mounting groove is internally connected with a limiting block in a sliding manner, one side of the limiting block is an inclined surface, and the limiting block is arranged to play a role in limiting the fixed rod;

a return spring is fixedly connected inside the mounting groove and is fixedly connected with a limiting block;

the interior of the rotating hole is rotatably connected with a threaded sleeve, and the rotating hole is communicated with the built-in groove, so that the threaded sleeve can extend to the interior of the built-in groove;

the threaded sleeve is provided with a straight groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) This moulded case circuit breaker with intelligence reclosing, when the thread bush rotates, along with the meshing of screw thread, the clockwise rotation of thread bush makes the inside of the continuous retraction thread bush of dead lever, the length along with the dead lever constantly overlaps with the length of thread bush this moment, consequently, extrude housing base, make it be close to on the inside mounting panel of electronic box gradually, consequently, accomplish the installation to housing base, when the thread bush anticlockwise rotates, dead lever and thread bush alternate segregation, consequently, the thread bush is not restricting housing base, and then housing base can be free slides at the dead lever, consequently, when needs maintain the inside equipment of housing base, can outwards pull out housing base from electronic box inside, and then conveniently maintain it, housing base does not break away from with the dead lever completely this moment, consequently, can rotate the thread bush after the maintenance finishes and install it again, and then make the inside equipment of housing base when maintaining, do not demolish completely between it and electronic box in need, and then conveniently maintain the installation after finishing to its maintenance.

(2) This moulded case circuit breaker with intelligence reclosing lock, the inclined plane of stopper then makes the dead lever when running through the mounting hole on the electronic box internal mounting panel, when the inclined plane of stopper contacts with the mounting panel, makes the stopper can not directly produce machinery to dead lever and mounting panel and block the phenomenon through the inclined plane, and under the effect on inclined plane, the stopper retracts into the inside of mounting groove, and then makes the dead lever can be smooth run through the mounting hole.

(3) This have intelligence reclose moulded case circuit breaker, reset spring's setting makes the stopper possess good reset function, makes it after the inside of retraction mounting groove, through the shrink that reset spring self possessed and the performance of expansion, can make the stopper follow the inside auto-eject of mounting groove, consequently makes the stopper can contact with the inside mounting panel of electronic box, and then the restriction effect to the dead lever that forms.

(4) This have intelligence reclose moulded case circuit breaker, the setting up of packing ring has then increased the area of contact between casing base and the electronic box inside mounting panel, makes its stability more, under the restriction of packing ring for the phenomenon is rocked in the difficult production of dead lever, consequently ensures the stability after the installation finishes.

(5) This moulded case circuit breaker with intelligence reclosing lock, the rubber pad can make through elasticity and frictional force of self to form swing joint between sealed lid and the control flume, consequently make sealed lid convenient and fast more when dismantling, the sealed lid of crossing can carry out quick dismantlement, consequently when the inside circuit breaker controller who possesses the disconnected function of high branch of casing base produces the damage, can dismantle through sealing the lid, and then conveniently change and maintain circuit breaker, consequently, improve maintenance speed and maintenance efficiency.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the sealing cover of the present invention;

FIG. 4 is a schematic view of the fixing rod of the present invention;

fig. 5 is the schematic diagram of the limiting block of the present invention.

Reference numerals: 1. a housing base; 2. a control slot; 21. a sealing cover; 22. a through groove; 23. a rubber pad; 3. a circuit breaking controller; 4. rotating the hole; 5. a built-in groove; 51. a threaded sleeve; 52. a slide hole; 53. a straight slot; 6. fixing the rod; 61. a gasket; 62. mounting grooves; 63. a limiting block; 64. a return spring; 7. a wire hole; 8. a fixing hole; 81. and fixing the screw rod.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: an intelligent reclosing molded case circuit breaker comprises a case base 1, wherein the case base 1 is rectangular and is hollow inside, a circuit breaking controller 3 with a high breaking function is arranged inside the case base 1, and the circuit breaking controller 3 with the high breaking function can be used for controlling the automatic power-off function of an external circuit, so that when a circuit leaks electricity, the circuit can be powered off through the circuit breaking controller 3 with the high breaking function, the phenomenon that the external electricity leaks to cause electric injury to users is avoided, and the safety of the personnel circuit in the using process is ensured;

the upper end and the lower end of the shell base 1 are respectively provided with a wire hole 7, the wire holes 7 are used for butt joint with external wires, so that the external wires can be electrically connected with the circuit breaking controller 3, the front side of the shell base 1 is provided with a fixing hole 8 mutually communicated with the wire holes 7, the internal threads of the fixing hole 8 are connected with a fixing screw 81, after the external wires are electrically connected with the circuit breaking controller 3 through the wire holes 7, the external wires can be fixed by rotating the fixing screw 81, the external wires are prevented from being separated from the circuit breaking controller 3, and therefore safety in the use process is ensured;

a control groove 2 is arranged on the front side of the shell base 1, and the control groove 2 is used for accommodating a circuit breaking controller 3 and electronic components of the circuit breaker;

the sealing cover 21 is movably connected inside the control groove 2, the sealing cover 21 is used for sealing the control groove 2, so that the control groove 2 is prevented from being exposed in the air, dust, moisture and external impurities in the air enter the shell base 1 through the control groove 2, and the electronic equipment inside the shell base 1 is prevented from being damaged, so that the service life of the electronic equipment is ensured;

the sealing cover 21 is provided with a through groove 22, the circuit breaking controller 3 extends to the surface of the shell base 1 through the through groove 22, and the through groove 22 is arranged, so that an operator can manually control the opening and closing of the circuit breaking controller 3 on the premise that the circuit breaking controller 3 realizes an automatic circuit breaking function, and the adaptation performance of the equipment is improved;

built-in groove 5 has all been seted up at housing base 1's upper and lower both ends, and housing base 1's front side is opened and is equipped with the rotation hole 4 that built-in groove 5 communicates each other, and the inside of rotating hole 4 is provided with detaching mechanism, and the setting in built-in groove 5 and rotation hole 4 is used for giving detaching mechanism sufficient rotation space and installation space respectively, consequently makes detaching mechanism can be more convenient assemble it and use.

Example two:

referring to fig. 3, the four sides of the sealing cover 21 are fixedly connected with the rubber pads 23 in a shape like a Chinese character 'hui', and the rubber pads 23 can form a movable connection between the sealing cover 21 and the control groove 2 through elasticity and friction thereof, so that the sealing cover 21 can be detached more conveniently and rapidly;

meanwhile, the circuit breaking controller 3 with a high breaking function in the shell base 1 can be rapidly disassembled through the sealing cover 21, so that the sealing cover 21 can be disassembled when the circuit breaking controller 3 with the high breaking function is damaged, the circuit breaking controller 3 can be conveniently replaced and maintained, and the maintenance speed and the maintenance efficiency are improved.

Example three:

referring to fig. 4-5, the dismounting mechanism includes a fixing rod 6 disposed inside the built-in groove 5, a sliding hole 52 is disposed on an inner wall of a rear side of the built-in groove 5, the sliding hole 52 is disposed such that the fixing rod 6 can penetrate through the outer surface of the housing base 1 through the sliding hole 52, and the fixing rod 6 is disposed such that the housing base 1 is fixed to an external electronic box mounting plate through the fixing rod 6;

the fixing rod 6 is connected with an annular gasket 61 in a sliding mode, the gasket 61 is fixedly connected with one side, close to the electric box mounting plate, of the shell base 1, the contact area between the shell base 1 and the electric box inner mounting plate is increased due to the arrangement of the gasket 61, so that the electric box inner mounting plate is more stable, the fixing rod 6 is not prone to shaking under the limitation of the gasket 61, and therefore the stability after the electric box inner mounting plate is installed is guaranteed;

the fixing rod 6 is provided with a mounting groove 62, and the mounting groove 62 is used for assembling part of the structure of the dismounting mechanism;

the inside of the mounting groove 62 is slidably connected with a limiting block 63, one side of the limiting block 63 is an inclined surface, the limiting block 63 is arranged to play a role in limiting the fixing rod 6, and after the fixing rod 6 penetrates through a mounting hole in a mounting plate inside the electronic box, one side of the limiting block 63 is in direct contact with the mounting plate, so that the fixing rod 6 is limited and is not easy to separate from the mounting hole;

when the fixing rod 6 penetrates through the mounting hole in the mounting plate in the electric box and the inclined surface of the limiting block 63 is in contact with the mounting plate, the limiting block 63 cannot directly generate a mechanical blocking phenomenon on the fixing rod 6 and the mounting plate through the inclined surface, and the limiting block 63 retracts into the mounting groove 62 under the action of the inclined surface, so that the fixing rod 6 can smoothly penetrate through the mounting hole;

the inside of the mounting groove 62 is fixedly connected with a return spring 64, the return spring 64 is fixedly connected with a limiting block 63, and the arrangement of the return spring 64 enables the limiting block 63 to have a good reset function, so that after the return spring 64 retracts into the inside of the mounting groove 62, the limiting block 63 can automatically pop out from the inside of the mounting groove 62 through the contraction and expansion performance of the return spring 64, so that the limiting block 63 can be in contact with the mounting plate inside the electronic box, and the limiting effect on the fixing rod 6 is further formed;

the interior of the rotating hole 4 is rotatably connected with a threaded sleeve 51, and the rotating hole 4 is communicated with the built-in groove 5, so that the threaded sleeve 51 can extend into the built-in groove 5;

the threaded sleeve 51 is sleeved on the surface of the fixed rod 6 in a threaded manner, so that when the threaded sleeve 51 rotates, the fixed rod 6 is continuously retracted into the threaded sleeve 51 along with the clockwise rotation of the threaded sleeve 51 along with the engagement of threads, and at the moment, the length of the fixed rod 6 is continuously overlapped with that of the threaded sleeve 51, so that the shell base 1 is extruded to be gradually close to a mounting plate in the electric box, so that the installation of the shell base 1 is completed, when the threaded sleeve 51 rotates anticlockwise, the fixed rod 6 is separated from the threaded sleeve 51, so that the threaded sleeve 51 does not limit the shell base 1, and the shell base 1 can freely slide on the fixed rod 6, so that when equipment in the shell base 1 needs to be maintained, the shell base 1 can be pulled out from the electric box, the maintenance is convenient, and the shell base 1 is not completely separated from the fixed rod 6, so that the threaded sleeve 51 can be installed again after the maintenance is completed, and the equipment in the shell base 1 can be maintained completely without being maintained and the maintenance of the electric box;

the threaded sleeve 51 is provided with the straight groove 53, the straight groove 53 can rotate the threaded sleeve 51 through an external straight screwdriver, so that the threaded sleeve 51 can rotate more conveniently and quickly, and meanwhile, the phenomenon of mistaken touch caused by the fact that the threaded sleeve 51 protrudes out of the surface of the shell base 1 is avoided, and therefore the installation effect on the shell base 1 is ensured.

The working principle is as follows: when the shell base 1 needs to be installed, an external electric wire is electrically connected with the circuit breaking controller 3 through the electric wire hole 7, the external electric wire is fixed through the fixing screw rod 81, at the moment, the fixing rod 6 penetrates through the fixing hole 8 in the installation plate in the electrical box, under the action of the reset spring 64, the limiting block 63 can be firmly attached to one side of the installation plate, so that the fixing rod 6 is limited and is not prone to being separated from the fixing hole 8, the fixing rod 6 penetrates into the inner portion of the built-in groove 5 through the sliding hole 52 and is in threaded connection with the threaded sleeve 51, and therefore under the clockwise rotation of the threaded sleeve 51, the fixing rod 6 and the threaded sleeve 51 are overlapped, the length between the fixing rod 6 and the threaded sleeve 51 is further shortened, and the fixing and the installation of the shell base 1 are completed through the clamping effect.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides an intelligence reclose moulded case circuit breaker, includes casing base (1), its characterized in that: the shell base (1) is rectangular and hollow in the interior, a circuit breaking controller (3) with a high breaking function is arranged in the shell base (1), and a control groove (2) is formed in the front side of the shell base (1);

the circuit breaking controller (3) with high breaking function can be used for controlling the automatic power-off function of an external circuit;

the upper end and the lower end of the shell base (1) are respectively provided with a wire hole (7), and the wire holes (7) are used for installing external wires;

the control groove (2) is arranged for accommodating the circuit breaking controller (3) and electronic components of the circuit breaker;

built-in grooves (5) are formed in the upper end and the lower end of the shell base (1), rotating holes (4) formed in the front side of the shell base (1) and communicated with the built-in grooves (5) are formed in the front side of the shell base, and detaching mechanisms are arranged inside the rotating holes (4).

2. The intelligent reclosing molded case circuit breaker of claim 1, characterized in that: the inner part of the control groove (2) is movably connected with a sealing cover (21), and the sealing cover (21) is used for sealing the control groove (2);

the front side of the shell base (1) is provided with a fixing hole (8) communicated with the wire hole (7), the inner thread of the fixing hole (8) is connected with a fixing screw rod (81), and the fixing screw rod (81) is used for fixing an external wire inside the wire hole (7).

3. The intelligent reclosing molded case circuit breaker of claim 2, characterized in that: a through groove (22) is formed in the sealing cover (21), the open-circuit controller (3) extends to the surface of the shell base (1) through the through groove (22), and the through groove (22) is used for avoiding the open-circuit controller (3) and enabling the open-circuit controller to be manually controlled.

4. The intelligent reclosing molded case circuit breaker of claim 2, characterized in that: the four sides of the sealing cover (21) are fixedly connected with a square-shaped rubber pad (23), and the rubber pad (23) can enable the sealing cover (21) and the control groove (2) to be movably connected through elasticity and friction force of the rubber pad.

5. The intelligent reclosing molded case circuit breaker of claim 1, characterized in that: the dismounting mechanism comprises a fixed rod (6) arranged in the built-in groove (5), a sliding hole (52) is formed in the inner wall of the rear side of the built-in groove (5), and the fixed rod (6) penetrates out of the outer surface of the shell base (1) through the sliding hole (52);

the fixed rod (6) is connected with an annular gasket (61) in a sliding way, and the gasket (61) is fixedly connected with one side of the shell base (1) close to the electric box mounting plate;

the fixing rod (6) is provided with a mounting groove (62), and the mounting groove (62) is used for assembling part of the structure of the dismounting mechanism.

6. The intelligent reclosing molded case circuit breaker of claim 5, wherein: a limiting block (63) is connected to the inside of the mounting groove (62) in a sliding mode, one side of the limiting block (63) is an inclined surface, and the limiting block (63) is arranged to have the effect of limiting the fixing rod (6);

a return spring (64) is fixedly connected inside the mounting groove (62), and the return spring (64) is fixedly connected with a limiting block (63);

the interior of the rotating hole (4) is rotatably connected with a threaded sleeve (51), the rotating hole (4) is communicated with the built-in groove (5), and the threaded sleeve (51) can extend to the interior of the built-in groove (5);

the threaded sleeve (51) is provided with a straight groove (53).

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