CN216162151U

CN216162151U - High-low voltage switch cabinet with short-circuit protection unit

Info

Publication number: CN216162151U
Application number: CN202122224681.8U
Authority: CN
Inventors: 谢林春
Original assignee: Shenzhen Guorui Power Technology Co ltd
Current assignee: Shenzhen Guorui Power Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-01
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a high-low voltage switch cabinet with a short-circuit protection unit, which comprises a machine body and a base, wherein the machine body is fixedly arranged on the base, the top end of the machine body is provided with a rain shed, the bottom of the base is provided with a damping support, a heat dissipation groove is integrally formed on the base, a cabinet door is hinged on the machine body, a fan cabin is arranged in the base, a first mounting frame and a second mounting frame which are communicated with the machine body are fixedly arranged in the fan cabin, a heat dissipation fan is fixedly arranged in the first mounting frame, a dehumidification fan is fixedly arranged in the second mounting frame, the protection unit is fixedly arranged in the machine body and comprises a signal amplifier, a signal processor and a circuit breaking protector, and heat dissipation holes are formed in the side wall of the machine body in a penetrating manner. The utility model can protect the internal components from being damaged, the base is communicated and arranged at the bottom of the machine body, and the heat dissipation fan and the dehumidification fan are arranged in the base, so that the heat dissipation and dehumidification can be carried out in the machine body, and the internal temperature and humidity of the device are protected to be normal.

Description

High-low voltage switch cabinet with short-circuit protection unit

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a high-low voltage switch cabinet with a short-circuit protection unit.

Background

The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch circuit is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch gear is to open, close, control and protect the electric equipment in the process of generating, transmitting, distributing and converting electric energy of the power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

At present, the inside components and parts of traditional high-low voltage switch cabinet are more, and difficult exemption when using produces the electric current and reveals, if the electric current is great, the condition of short circuit appears in the device, and danger is higher this moment, can cause great loss to resident or trade company's safety and property, is difficult to satisfy the user demand.

Based on the above, the utility model designs a high-low voltage switch cabinet with a short-circuit protection unit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-low voltage switch cabinet with a short-circuit protection unit, which aims to solve the problems that the traditional high-low voltage switch cabinet has more internal components, current leakage is inevitable during use, and if the current is larger, the short circuit occurs in the device, so that the danger is higher, and the safety and property of residents or merchants are greatly lost.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a high-low voltage switch cabinet with short-circuit protection unit, includes organism, base, organism fixed mounting be in on the base, the organism top is provided with the canopy that keeps off the rain, the base bottom is provided with the shock attenuation and supports, integrated into one piece has the radiating groove on the base, hinged joint has the cabinet door on the organism, set up the fan storehouse in the base, fixed mounting have in the fan storehouse with the first mounting bracket and the second mounting bracket of organism intercommunication, fixed mounting has cooling fan in the first mounting bracket, fixed mounting has dehumidification fan in the second mounting bracket, fixed mounting has the protection unit in the organism, the protection unit includes signal amplifier, signal processor and circuit breaker, run through on the organism lateral wall and seted up the louvre.

As a further scheme of the utility model, clamping grooves are formed in two sides of the heat dissipation hole, and a filter screen is detachably mounted in each clamping groove.

As a further scheme of the present invention, the air outlet of the second mounting bracket is electrically installed with an electric heating wire.

As a further scheme of the utility model, the air outlet of the cooling fan is arranged downwards, and the air outlet of the dehumidifying fan is arranged upwards.

As a further scheme of the utility model, the size of the rain shelter is larger than that of the machine body, and a rainwater chute is arranged on the rain shelter.

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

the utility model relates to a high-low voltage switch cabinet with a short-circuit protection unit, wherein the protection unit is arranged in the cabinet, the protection unit is internally provided with a signal amplifier, a signal processor and a circuit-breaking protector, when the current of a production line in the switch cabinet is short-circuited, the signal amplifier receives a current signal and processes the signal processor transmitted by the current signal, and if the current signal is detected to exceed a set value, the circuit-breaking protector is started to protect the switch cabinet and protect internal components from being damaged.

The base is communicated with the bottom of the machine body, and the cooling fan and the dehumidifying fan are arranged in the base, so that heat dissipation and dehumidification can be performed in the machine body, and the temperature and the humidity in the device are protected to be normal.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an overall schematic view of a high-low voltage switchgear with a short-circuit protection unit according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a high-low voltage switch cabinet with a short-circuit protection unit according to the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a body; 2. a base; 3. a rain shelter; 4. damping support; 5. a cabinet door; 6. a heat sink; 7. a card slot; 8. heat dissipation holes; 9. filtering with a screen; 10. a fan bin; 11. a first mounting bracket; 12. a heat radiation fan; 13. a second mounting bracket; 14. a dehumidification fan; 15. an electric heating wire; 16. a protection unit; 17. a signal amplifier; 18. a signal processor; 19. a circuit breaker protector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the present invention provides a high-low voltage switchgear with a short-circuit protection unit, wherein,

fig. 1 is according to this utility model's a whole schematic diagram of high-low voltage switch cabinet with short-circuit protection unit, can see from fig. 1, a high-low voltage switch cabinet with short-circuit protection unit, including organism 1,

base

2, 1 fixed mounting of organism is in on the

base

2, 1 top of organism is provided with

weather shed

3, 2 bottoms of base are provided with shock attenuation support 4, integrated into one piece has radiating groove 6 on the base 2, hinged mounting has cabinet door 5 on the

organism

1, 3 sizes of weather shed are greater than 1 size of organism, just the rainwater chute has been seted up on the weather shed 3.

Fig. 2 is according to this utility model's a high-low voltage switch cabinet's internal structure schematic diagram with short-circuit protection unit, can see from fig. 2, fan storehouse 10 has been seted up in the base 2, fixed mounting have in the fan storehouse 10 with first mounting bracket 11 and the second mounting bracket 13 of 1 intercommunication of organism, fixed mounting has cooling fan 12 in the first mounting bracket 11, fixed mounting has dehumidification fan 14 in the second mounting bracket 13, fixed mounting has protection unit 16 in the organism 1, protection unit 16 includes signal amplifier 17, signal processor 18 and circuit breaker 19, run through on the organism 1 lateral wall and seted up louvre 8 draw-in groove 7 is seted up to louvre 8 both sides, demountable installation has filter screen 9 in the draw-in groove 7. And an air outlet of the second mounting bracket 13 is electrically provided with a heating wire 15. The air outlet of the cooling fan 12 is arranged downwards, and the air outlet of the dehumidifying fan 14 is arranged upwards.

In practical application, the high-low voltage switch cabinet with the short-circuit protection unit is provided with the protection unit 16 in the cabinet, the protection unit 16 is provided with the signal amplifier 17, the signal processor 18 and the circuit-breaking protector 19, when the current of a production line in the switch cabinet is short-circuited, the signal amplifier 17 receives a current signal, the signal processor which transmits the current signal is processed 18, and if the current signal is detected to exceed a set value, the circuit-breaking protector 19 is started to protect the switch cabinet, so that internal components are protected from being damaged. The base 2 is communicated with the bottom of the machine body, the heat radiation fan 12 and the dehumidifying fan 14 are arranged in the base 2, heat radiation and dehumidification can be carried out on the machine body, and the temperature and the humidity inside the device are normal.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The high-low voltage switch cabinet with the short circuit protection unit comprises a machine body (1) and a base (2), wherein the machine body (1) is fixedly installed on the base (2), and is characterized in that a rain shelter (3) is arranged at the top end of the machine body (1), a damping support (4) is arranged at the bottom of the base (2), a radiating groove (6) is integrally formed on the base (2), a cabinet door (5) is hinged on the machine body (1), a fan bin (10) is arranged in the base (2), a first installation frame (11) and a second installation frame (13) communicated with the machine body (1) are fixedly installed in the fan bin (10), a radiating fan (12) is fixedly installed in the first installation frame (11), a dehumidifying fan (14) is fixedly installed in the second installation frame (13), and a protection unit (16) is fixedly installed in the machine body (1), the protection unit (16) comprises a signal amplifier (17), a signal processor (18) and a circuit breaking protector (19), and a heat dissipation hole (8) penetrates through the side wall of the machine body (1).

2. The high-low voltage switch cabinet with the short circuit protection unit according to claim 1, wherein a clamping groove (7) is formed on two sides of the heat dissipation hole (8), and a filter screen (9) is detachably mounted in the clamping groove (7).

3. High-low voltage switch cabinet with short-circuit protection unit according to claim 1, characterized in that the outlet of the second mounting frame (13) is electrically equipped with a heating wire (15).

4. The high-low voltage switch cabinet with the short circuit protection unit as claimed in claim 1, wherein the air outlet of the cooling fan (12) is opened downwards, and the air outlet of the dehumidifying fan (14) is opened upwards.

5. The high-low voltage switch cabinet with the short circuit protection unit is characterized in that the size of the rain shelter (3) is larger than that of the machine body (1), and a rainwater chute is formed in the rain shelter (3).