CN217306409U

CN217306409U - Low-voltage molded case circuit breaker resistant to high cold, high temperature and high humidity

Info

Publication number: CN217306409U
Application number: CN202220319872.4U
Authority: CN
Inventors: 周鹏; 宋晶莎; 平凡; 徐鹤; 周子贤; 汪鹏; 付宏帅; 于佳鑫; 程想龙
Original assignee: HUBEI CHANGJIANG ELECTRIC CO Ltd
Current assignee: HUBEI CHANGJIANG ELECTRIC CO Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-26
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a low pressure moulded case circuit breaker of resistant high and cold, high temperature, high humidity, dampproofing mechanism is provided with dustproof subassembly including solid fixed ring and servo motor, solid fixed ring's outside, is provided with the grip ring between solid fixed ring's the inner wall, the utility model relates to a circuit breaker technical field. This it is able to bear or endure high and cold, high temperature, the low pressure moulded case circuit breaker of high humidity, through setting up dampproofing mechanism, be in under the environment of high and cold and high humidity when the circuit breaker, the fan rotates and drives external air and blow to the circuit breaker, the hot plate heats the air that flows, high temperature air blows to the circuit breaker, heat intensification and dehumidification to circuit breaker and its periphery, thereby realize the intensification of circuit breaker through the rotation of servo motor and fan, cooling and dehumidification, avoid the fast ageing of circuit breaker casing and reduce life, the problem that current circuit breaker accelerated ageing and reduction of service life easily under extreme environment has been solved through the combination of above-mentioned structure.

Description

Low-voltage molded case circuit breaker resistant to high cold, high temperature and high humidity

Technical Field

The utility model relates to a circuit breaker technical field specifically is a low pressure moulded case circuit breaker of high and cold resistant, high temperature, high humidity.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition within a predetermined time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range thereof, and the division of the high-voltage and low-voltage boundary lines is relatively fuzzy, and generally called a high-voltage electric appliance with a voltage of 3kV or more.

Current circuit breaker shell all is that plastics make, under some severe cold, high temperature, high humidity's environment, easy quick ageing to lead to the casing to damage and influence the use of internal component, and reduce the life of circuit breaker, consequently need solve to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a low pressure moulded case circuit breaker of high and cold resistance, high temperature, high humidity has solved current circuit breaker and has accelerated ageing easily and reduce life's problem under extreme environment.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a low pressure moulded case circuit breaker of high and cold resistant, high temperature, high humidity, includes the circuit breaker, the outside of circuit breaker is provided with dampproofing mechanism.

Dampproofing mechanism is including solid fixed ring and servo motor, gu fixed ring's outside is provided with dustproof subassembly, be provided with the grip ring between solid fixed ring's the inner wall, the outer fixed surface of grip ring is connected with the bull stick, the surface of bull stick runs through with solid fixed ring's inside and rotates and be connected, servo motor's output passes through the one end fixed connection of shaft coupling and bull stick, be provided with the fan between the inner wall of grip ring, the inside through thread connection of grip ring has the clamping screw, the one end of clamping screw and the surface looks joint of fan, the outside of fan is provided with the hot plate, the surface of hot plate and the inner wall fixed connection of grip ring.

Preferably, the dustproof assembly comprises a fixed block and a dustproof plate, the outer surface of the dustproof plate is fixedly connected with the inner wall of the fixed ring, the treatment cavity is formed in the fixed block, and the outer surface of the circuit breaker is fixedly connected with the inner wall of the treatment cavity.

Preferably, the outer surface of the fixing ring is fixedly connected with the inside of the fixing block in a penetrating mode, and the inside of the fixing ring is communicated with the inside of the treatment cavity.

Preferably, the outer surface of the servo motor is fixedly connected with the inside of the fixing block in a penetrating mode, and the output end of the servo motor is connected with the inside of the fixing block in a penetrating mode in a rotating mode.

Preferably, the logical groove that is linked together with the treatment chamber is all seted up to the inside left and right sides of fixed block, the outside left and right sides of fixed block all is provided with the filter, the surface of filter all with the surface of fixed block and be located the border fixed connection who leads to the groove.

Preferably, the outer fixed surface of fixed block is connected with the mounting panel, the inside of mounting panel is seted up the mounting groove that link up.

Advantageous effects

The utility model provides a low pressure moulded case circuit breaker of high and cold resistant, high temperature, high humidity. Compared with the prior art, the method has the following beneficial effects:

(1) the low-voltage molded case circuit breaker with high cold resistance, high temperature resistance and high humidity resistance comprises a damp-proof mechanism, wherein a clamping ring can clamp and limit a fan through a clamping screw, the stability of the fan is enhanced, the fan can be conveniently detached, meanwhile, a fixing ring can support the clamping ring through connection with a rotating rod, when the circuit breaker is in an environment with high cold and high humidity, the fan rotates to drive external air to blow to the circuit breaker, a heating plate heats flowing air, the high-temperature air blows to the circuit breaker, the circuit breaker and the periphery of the circuit breaker are heated, warmed and dehumidified, when the circuit breaker is in a high-temperature environment, a servo motor drives the clamping ring to rotate through the rotating rod, so that the output direction of the fan is reversely adjusted, the fan rotates to drive air around the circuit breaker to flow, heat dissipation around the circuit breaker is cooled, and the temperature rise of the circuit breaker is realized through the rotation of the servo motor and the fan, Cooling and dehumidification avoid the quick ageing of circuit breaker casing and reduce life, have solved current circuit breaker through the combination of above-mentioned structure and have aged with higher speed easily and reduce life's problem under extreme environment.

(2) This low pressure moulded case circuit breaker of high and cold resistance, high temperature, high humidity, through setting up the dust removal subassembly, at first through the dust guard with solid fixed ring be connected, make the external air that flows through solid fixed ring can be filtered, avoid the dust to get into the treatment chamber inside, cause the circuit breaker to receive the pollution and corrode, secondly logical groove and the filter of both sides have not only made things convenient for the flow of air, can carry out the separation to the dust equally, the combination of fixed block and mounting panel has made things convenient for the installation maintenance of circuit breaker simultaneously.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a disassembled view of the internal structure of the fixing block of the present invention;

fig. 3 is an external structure exploded view of the clamp ring of the present invention.

In the figure: 1-circuit breaker, 2-damp-proof mechanism, 21-fixed ring, 22-servo motor, 23-dustproof component, 231-fixed block, 232-dustproof plate, 233-processing chamber, 234-through groove, 235-filter plate, 236-mounting plate, 237-mounting groove, 24-clamping ring, 25-rotating rod, 26-blower, 27-clamping screw and 28-heating plate.

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. 1-3, the present invention provides a technical solution: a low-voltage molded case circuit breaker resistant to high cold, high temperature and high humidity comprises a circuit breaker 1, wherein a moisture-proof mechanism 2 is arranged outside the circuit breaker 1; the damp-proof mechanism 2 comprises a fixed ring 21 and a servo motor 22, the servo motor 22 is electrically connected with an external control circuit, a dustproof component 23 is arranged outside the fixed ring 21, a clamping ring 24 is arranged between the inner walls of the fixed ring 21, a rotating rod 25 is fixedly connected with the outer surface of the clamping ring 24, the outer surface of the rotating rod 25 is in penetrating and rotating connection with the inside of the fixed ring 21, the output end of the servo motor 22 is fixedly connected with one end of the rotating rod 25 through a coupler, a fan 26 is arranged between the inner walls of the clamping ring 24, the fan 26 is electrically connected with the external control circuit, a clamping screw 27 is in penetrating and threaded connection with the inside of the clamping ring 24, one end of the clamping screw 27 is clamped with the outer surface of the fan 26, a heating plate 28 is arranged outside the fan 26, the heating plate 28 is made of a material with a larger resistance value and is electrically connected with the external control circuit, the outer surface of the heating plate 28 is fixedly connected with the inner wall of the clamping ring 24, the dustproof assembly 23 comprises a fixed block 231 and a dustproof plate 232, the fixed block 231 is made of a heat insulation material, the outer surface of the dustproof plate 232 is fixedly connected with the inner wall of a fixed ring 21, a processing cavity 233 is formed in the fixed block 231, a temperature and humidity sensor (not shown) is arranged in the processing cavity 233, the outer surface of the circuit breaker 1 is fixedly connected with the inner wall of the processing cavity 233, the outer surface of the fixed ring 21 is fixedly connected with the inner part of the fixed block 231 in a penetrating manner, the inner part of the fixed ring 21 is communicated with the inner part of the processing cavity 233, the outer surface of the servo motor 22 is fixedly connected with the inner part of the fixed block 231 in a penetrating manner, the output end of the servo motor 22 is rotatably connected with the inner part of the fixed block 231, through grooves 234 communicated with the processing cavity 233 are formed in the left side and the right side of the inner part of the fixed block 231, filter plates 235 are arranged on the left side and the right side of the outer part of the fixed block 231, and the dustproof plate 232 and the filter plates 235 are made of the existing filter screens, and filter aperture sets up according to actual demand, and the surface of filter 235 all just is located the border fixed connection who leads to groove 234 with the surface of fixed block 231, and the fixed surface of fixed block 231 is connected with mounting panel 236, and the mounting panel 236's inside is seted up the mounting groove 237 that link up.

And those not described in detail in this specification are well within the skill of those in the art.

When the circuit breaker 1 works, firstly, the mounting plate 236 is fixed with screws and external supports through the mounting groove 237, thereby completing the retention and installation of the circuit breaker 1, then the circuit breaker 1 can be electrically connected with an external circuit, when the circuit breaker 1 is in an environment with high cold and high humidity, the fan 26 rotates to drive external air to blow to the circuit breaker 1, the heating plate 28 heats the flowing air, the dust-proof plate 232 filters the flowing air, the high-temperature air blows to the circuit breaker 1 to heat, warm and dehumidify the circuit breaker 1 and the periphery thereof, the air can be discharged to the outside through the through groove 234 and the filter plate 235, and can blow away dust outside the filter plate 235 for cleaning, when the circuit breaker 1 is in a high-temperature environment, the servo motor 22 drives the clamping ring 24 to rotate through the rotating rod 25, thereby enabling the output direction of the fan 26 to be reversely adjusted, and the fan 26 rotates to drive the air around the circuit breaker 1 to flow, discharge to the outside through solid fixed ring 21 and dust guard 232, and can blow away the outside dust of dust guard 232 and clear up for the heat on every side of circuit breaker 1 scatters and disappears and cools down, realizes intensification, cooling and the dehumidification of circuit breaker 1, avoids the quick ageing and reduction in service life of circuit breaker 1 casing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure moulded case circuit breaker of high and cold resistance, high temperature, high humidity, includes circuit breaker (1), its characterized in that: a moisture-proof mechanism (2) is arranged outside the circuit breaker (1);

the moisture-proof mechanism (2) comprises a fixed ring (21) and a servo motor (22), a dustproof assembly (23) is arranged outside the fixing ring (21), a clamping ring (24) is arranged between the inner walls of the fixing ring (21), the outer surface of the clamping ring (24) is fixedly connected with a rotating rod (25), the outer surface of the rotating rod (25) is connected with the inner part of the fixed ring (21) in a penetrating and rotating way, the output end of the servo motor (22) is fixedly connected with one end of a rotating rod (25) through a coupler, a fan (26) is arranged between the inner walls of the clamping rings (24), a clamping screw (27) is connected with the inner part of each clamping ring (24) in a penetrating and threaded manner, one end of the clamping screw (27) is clamped with the outer surface of the fan (26), the outside of fan (26) is provided with hot plate (28), the surface and the inner wall fixed connection of grip ring (24) of hot plate (28).

2. The low-voltage molded case circuit breaker resistant to severe cold, high temperature and high humidity according to claim 1, wherein: dustproof subassembly (23) include fixed block (231) and dust guard (232), the outer surface of dust guard (232) and the inner wall fixed connection who gu fixed ring (21), process chamber (233) have been seted up to the inside of fixed block (231), the outer surface of circuit breaker (1) and the inner wall fixed connection of process chamber (233).

3. The low-voltage molded case circuit breaker resistant to severe cold, high temperature and high humidity according to claim 2, wherein: the outer surface of the fixing ring (21) is fixedly connected with the inside of the fixing block (231) in a penetrating mode, and the inside of the fixing ring (21) is communicated with the inside of the treatment cavity (233).

4. The low-voltage molded case circuit breaker resistant to severe cold, high temperature and high humidity according to claim 2, wherein: the outer surface of the servo motor (22) is fixedly connected with the inside of the fixing block (231) in a penetrating mode, and the output end of the servo motor (22) is connected with the inside of the fixing block (231) in a penetrating mode in a rotating mode.

5. The low-voltage molded case circuit breaker resistant to high and cold, high temperature and high humidity according to claim 2, characterized in that: the logical groove (234) that are linked together with process chamber (233) are all seted up to the inside left and right sides of fixed block (231), the outside left and right sides of fixed block (231) all is provided with filter (235), the surface of filter (235) all with the surface of fixed block (231) and be located the border fixed connection who leads to groove (234).

6. The low-voltage molded case circuit breaker resistant to severe cold, high temperature and high humidity according to claim 2, wherein: the outer surface fixed connection of fixed block (231) has mounting panel (236), the mounting panel (236) inside is seted up and is link up mounting groove (237).