CN212032973U

CN212032973U - Intelligent low-voltage frame circuit breaker

Info

Publication number: CN212032973U
Application number: CN202021033865.5U
Authority: CN
Inventors: 严涵; 孙强; 赵子玮
Original assignee: Hubei Xingyi Electric Group Co ltd
Current assignee: Hubei Xingyi Electric Group Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-27
Anticipated expiration: 2030-06-08

Abstract

An intelligent low-voltage frame circuit breaker comprises a base, wherein a circuit breaker body and a protective shell are arranged above the base, and the circuit breaker body is positioned inside the protective shell; a fault tripping indication/reset button, an opening button, a closing and opening indication, an energy storage and release indication and a manual energy storage handle are sequentially arranged on the front panel of the breaker body from left to right; the top of the breaker body is provided with a wiring terminal; a drawer is arranged above the circuit breaker body and is slidably arranged inside the protective shell; a heat radiation fan is installed inside the drawer, a controller and a temperature sensor are arranged inside the shell, and the heat radiation fan and the temperature sensor are respectively connected with the controller; the utility model detects the internal temperature of the shell through the temperature sensor, and the controller controls the power of the cooling fan according to the real-time temperature data, thereby efficiently cooling the circuit breaker; the higher/lower the temperature is, the higher/lower the power of the cooling fan is, and the energy-saving effect can be achieved.

Description

Intelligent low-voltage frame circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit breaker, specifically an intelligent low pressure frame circuit breaker.

Background

The frame circuit breaker is also called universal circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and also can connect, bear and break the current for a certain time under the specified abnormal circuit condition.

However, the existing frame circuit breaker has a poor heat dissipation effect, so that the circuit breaker is easily influenced by the external environment when in use, and the service life of the circuit breaker is shortened; meanwhile, the existing frame circuit breaker is troublesome to maintain and repair, the circuit breaker needs to be shaken out of the interior of the protective shell through a rocking handle every time, and the circuit breaker is shaken into the interior of the shell after the maintenance is finished; greatly influencing the overhauling efficiency of the circuit breaker.

The patent with publication number CN209859834U discloses a novel frame circuit breaker, belongs to circuit breaker technical field, the on-line screen storage device comprises a base, the top of base is provided with the circuit breaker body, and the both sides of circuit breaker body all are provided with the mounting panel, the bottom of base is provided with the spout, and the inside sliding connection of spout has the slider, the bottom of slider is provided with places the box, the both sides at base top all are provided with the support, and the top of support is provided with the mounting bracket. The utility model discloses a receiver that sets up can place the drier inside it for the drier can absorb the moist air around the circuit breaker body, avoid the air around the circuit breaker body too moist and influence the normal operating of circuit breaker body, the fan can suitably dispel the heat to the circuit breaker body simultaneously, avoid circuit breaker body high temperature and take place the unnecessary accident, and place the box and can slide around going on under the effect of spout and slider, be convenient for place spare part, the work of maintenance workman has been made things convenient for.

Although the circuit breaker disclosed in this patent can solve the heat dissipation problem of circuit breaker well, it is still troublesome to overhaul, needs to dismantle the casing.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides an intelligent low-voltage frame circuit breaker which can effectively dissipate heat of the circuit breaker and prolong the service life of the circuit breaker equipment; meanwhile, the circuit breaker and the radiator are convenient to overhaul, and the overhaul efficiency is improved.

In order to achieve the above object, the utility model adopts the following technical scheme:

an intelligent low-voltage frame circuit breaker comprises a base, wherein a circuit breaker body and a protective shell are arranged above the base, and the circuit breaker body is positioned inside the protective shell; the front panel of the breaker body is provided with a fault tripping indication/reset button, an opening button, a closing and opening indication, an energy storage and release indication and a manual energy storage handle; the top of the breaker body is provided with a wiring terminal; a drawer with an opening at the bottom is arranged above the breaker body, and the drawer is slidably arranged inside the protective shell; a heat radiation fan is installed inside the drawer, a controller and a temperature sensor are arranged inside the shell, and the heat radiation fan and the temperature sensor are respectively connected with the controller; the utility model detects the temperature inside the shell through the temperature sensor, and transmits the detected temperature data to the controller, and the controller controls the power of the cooling fan according to the real-time temperature data, thereby efficiently cooling the circuit breaker; the higher/lower the temperature is, the higher/lower the power of the cooling fan is, and the energy-saving effect can be achieved.

Specifically, the drawer is surrounded by 4 curb plates and forms, the inside installing support that is equipped with of drawer is used for installing radiator fan. In this embodiment, the mounting bracket includes 2 mounting plates parallel to each other, and two ends of the mounting plates are respectively connected with the front panel and the rear panel of the drawer; the cooling fan is installed on the 2 installation plates through screws.

Furthermore, a first handle and a first lock hole are arranged on the front panel of the drawer; the bottoms of the left side plate and the right side plate of the drawer are respectively provided with a roller; the left side plate and the right side plate of the protective shell are both provided with brackets, the top surfaces of the brackets are provided with sliding grooves, and the sliding grooves are matched with the rollers. In this embodiment, the bracket is an L-shaped bracket. When the cooling fan needs to be overhauled, after the key is inserted into the first lock hole, the first handle is pulled outwards, the drawer can be pulled out, and then the cooling fan can be taken down from the mounting bracket.

Specifically, the top surface of protection casing is equipped with dustproof ventilative cover (not shown in the figure), dustproof ventilative cover is located the drawer top, can prevent through setting up dustproof ventilative cover that outside dust from getting into the inside performance that influences the circuit breaker of casing.

Specifically, an access door is arranged on a side plate of the protection shell, and a second handle and a second lock hole are arranged on the access door; and a dustproof ventilating grid is arranged in the middle of the access door. The maintenance efficiency can be improved by arranging the maintenance door; the dustproof ventilating grating can prevent external dust from entering the inside of the shell to influence the performance of the circuit breaker.

Specifically, the two sides of the bottom of the base are provided with mounting holes, so that the base is convenient to mount.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the utility model discloses a set up radiator fan above the circuit breaker to install radiator fan inside the drawer, can effectively dispel the heat to the circuit breaker, improve the life of circuit breaker; meanwhile, the heat radiation fan is arranged in the drawer, so that the heat radiation fan can be conveniently overhauled; (2) the utility model discloses a curb plate at the protection casing sets up the access door, can conveniently overhaul the circuit breaker, need not dismantle the protection casing, has improved maintenance efficiency; simultaneously through set up dustproof ventilative cover on the access door, can avoid outside dust to get into inside the performance of causing the influence to the circuit breaker of casing.

Drawings

Fig. 1 is a schematic view of a front view structure of an intelligent low-voltage frame circuit breaker according to the present invention;

fig. 2 is a schematic view of an installation structure of the heat dissipation fan of the present invention;

FIG. 3 is a schematic view of the overall structure of the drawer according to the present invention;

FIG. 4 is a schematic view of the mounting structure of the bracket on the side plate of the protective casing according to the present invention;

FIG. 5 is a schematic view of the installation structure of the access door on the side plate of the middle protective shell of the present invention;

in the figure: 1. a base; 2. a circuit breaker body; 3. a protective housing; 4. fault trip indication/reset button; 5. a brake separating button; 6. a closing button; 7. switching on and switching off indication; 8. an energy storage and release indication; 9. a manual energy storage handle; 10. a wiring terminal; 11. a drawer; 12. a heat radiation fan; 13. mounting a bracket; 14. a first handle; 15. a first lock hole; 16. a roller; 17. a bracket; 18. a chute; 19. an access door; 20. a second handle; 21. a second lock hole; 22. a dustproof breathable grid; 23. and (7) installing holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides an intelligent low-voltage frame circuit breaker, which includes a base 1, a circuit breaker body 2 and a protection housing 3 are installed above the base 1, and the circuit breaker body 2 is located inside the protection housing 3; the front panel of the breaker body 2 is provided with a fault tripping indication/reset button 4, an opening button 5, a closing button 6, a closing and opening indication 7, an energy storage and release indication 8 and a manual energy storage handle 9; the top of the breaker body 2 is provided with a wiring terminal 10; a drawer 11 with an opening at the bottom is arranged above the breaker body 2, and the drawer 11 is slidably arranged inside the protective shell 3; a heat radiation fan 12 is installed inside the drawer 11, a controller and a temperature sensor are arranged inside the shell, and the heat radiation fan 12 and the temperature sensor are respectively connected with the controller; the utility model detects the temperature inside the shell through the temperature sensor, transmits the detected temperature data to the controller, and the controller controls the power of the cooling fan 12 according to the real-time temperature data, thereby efficiently cooling the circuit breaker; the higher/lower the temperature is, the higher/lower the power of the cooling fan 12 is, and the energy-saving effect can be achieved.

Specifically, as shown in fig. 2 and 3, the drawer 11 is surrounded by 4 side plates, and a mounting bracket 13 is disposed inside the drawer 11 and used for mounting the cooling fan 12.

Further, as shown in fig. 4, the front panel of the drawer 11 is provided with a first handle 14 and a first lock hole 15; the bottom parts of the left side plate and the right side plate of the drawer 11 are respectively provided with a roller 16; all be equipped with bracket 17 on the left side board of protection casing 3, the right side board, bracket 17 top surface is equipped with spout 18, spout 18 matches with gyro wheel 16. When the heat dissipation fan 12 needs to be overhauled, the key is inserted into the first lock hole 15, the handle is pulled outwards, the drawer 11 can be pulled out, and then the heat dissipation fan 12 is taken down from the mounting bracket 13.

Specifically, the top surface of the protection housing 3 is provided with a dustproof ventilation cover (not shown in the figure), the dustproof ventilation cover is positioned above the drawer 11, and external dust can be prevented from entering the inside of the housing to influence the performance of the circuit breaker by the dustproof ventilation cover.

Specifically, as shown in fig. 5, an access door 19 is disposed on a right side plate of the protective casing 3, and a second handle 20 and a second lock hole 21 are disposed on the access door 19; and a dustproof ventilating grid 22 is arranged in the middle of the access door 19. The maintenance efficiency can be improved by arranging the maintenance door 19; the dust-proof air-permeable grille 22 can prevent external dust from entering the interior of the housing and affecting the performance of the circuit breaker.

In this embodiment, the access door 19 is a double-open hinged door, the middle parts of the two doors are both provided with dustproof ventilating grilles 22, and the connecting part of the two doors when closed is provided with a connecting lock (not shown in the figure).

Specifically, the both sides of base 1 bottom all are equipped with mounting hole 23, are convenient for install base 1.

In this embodiment, the power supplies of the temperature sensor, the controller and the cooling fan 12 are independent power supplies.

In this embodiment, the front panel of the protection housing 3 is provided with an opening, the opening matches with the shape and size of the front panel of the circuit breaker body 2, and the front panel of the circuit breaker body 2 is embedded in the opening of the front panel of the protection housing 3.

When the circuit breaker of the embodiment works, the temperature inside the protective shell 3 is detected in real time through the temperature sensor, and when the temperature is higher than a set threshold value, the controller controls the heat radiation fan 12 to start working to radiate the circuit breaker; the higher/lower the detected temperature data, the higher/lower the power of the cooling fan 12; when the heat dissipation fan 12 needs to be overhauled, a key is used for unlocking a connecting lock (not shown in the figure) between the drawer 11 and the protective shell 3, the first handle 14 is pulled outwards to draw out the drawer 11, and then the heat dissipation fan 12 is taken down from the mounting bracket 13; when the circuit breaker needs to be overhauled, the opening button 5 is pressed down firstly, the connecting lock of the access door 19 is opened through the key, the access door 19 can be opened by pulling the second handle 20 outwards, and the circuit breaker is overhauled.

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 intelligent low-voltage frame circuit breaker is characterized by comprising a base, wherein a circuit breaker body and a protective shell are arranged above the base, and the circuit breaker body is positioned inside the protective shell; the front panel of the breaker body is provided with a fault tripping indication/reset button, an opening button, a closing and opening indication, an energy storage and release indication and a manual energy storage handle; the top of the breaker body is provided with a wiring terminal; a drawer with an opening at the bottom is arranged above the breaker body, and the drawer is slidably arranged inside the protective shell; the drawer is internally mounted with a cooling fan, the shell is internally provided with a controller and a temperature sensor, and the cooling fan and the temperature sensor are respectively connected with the controller.

2. An intelligent low-voltage frame circuit breaker according to claim 1, wherein the drawer is surrounded by 4 side plates, and a mounting bracket is arranged inside the drawer for mounting the cooling fan.

3. An intelligent low-voltage frame circuit breaker according to claim 2, characterized in that the front panel of said drawer is provided with a first handle and a first keyhole; the bottoms of the left side plate and the right side plate of the drawer are respectively provided with a roller; the left side plate and the right side plate of the protective shell are both provided with brackets, the top surfaces of the brackets are provided with sliding grooves, and the sliding grooves are matched with the rollers.

4. An intelligent low-voltage frame circuit breaker according to claim 1, wherein the top surface of the protective casing is provided with a dust-proof air-permeable cover, and the dust-proof air-permeable cover is positioned above the drawer.

5. The intelligent low-voltage frame circuit breaker according to claim 1, wherein a side plate of the protective shell is provided with an access door, and the access door is provided with a second handle and a second lock hole; and a dustproof ventilating grid is arranged in the middle of the access door.

6. An intelligent low-voltage frame circuit breaker according to claim 1, wherein mounting holes are provided on both sides of the base bottom.