CN209516419U - A distribution box for intelligent low-voltage power distribution - Google Patents

Abstract

The utility model discloses an intelligent distribution box for low-voltage power distribution, which comprises a distribution box body, a cooling box is arranged on the lower side of the distribution box body, and a temperature sensor is arranged on the inner side of the distribution box body , the middle position of the bottom of the distribution box is provided with a through groove communicating with the inside of the heat dissipation box, an axial flow fan is arranged in the through groove, and a semiconductor fan is arranged inside the heat dissipation box near the axial flow fan Refrigerator, the bottom of the power distribution box close to the two sides of the axial flow fan is provided with a number of evenly distributed ventilation slots, the interior of the heat dissipation box is provided with partitions on both sides close to the semiconductor refrigerator, controlled by temperature sensors and PLC The combination of the device and the axial flow fan can automatically cool down the inside of the distribution box. The axial flow fan sends the air cooled by the semiconductor cooler into the distribution box to achieve rapid and efficient cooling. The dust-proof bottom plate can prevent dust from entering the heat dissipation box and distribution box.

Description

A distribution box for intelligent low-voltage power distribution

technical field

The utility model relates to the technical field of low-voltage distribution, in particular to an intelligent distribution box for low-voltage distribution.

Background technique

Low-voltage distribution is composed of distribution substations, high-voltage distribution lines, distribution transformers, low-voltage distribution lines and corresponding control and protection equipment. It is assembled with auxiliary equipment in a closed or semi-closed metal cabinet or on a screen width to form a low-voltage power distribution device. When the existing distribution box is running outdoors, it not only receives high temperature from direct sunlight, but also generates high temperature during operation. Heat will be generated, and when the temperature exceeds the specified ambient temperature of these electrical appliances, failures caused by overheating of the electrical components in the distribution box will occur.

Contents of the invention

The purpose of this utility model is to provide an intelligent distribution box for low-voltage power distribution in order to solve the above-mentioned problems, so as to solve the technical problems in the prior art such as the inability to quickly dissipate heat in the distribution box. It has the advantages of being able to automatically dissipate heat and cool down the distribution box to achieve rapid and efficient cooling, as detailed below.

In order to achieve the above object, the utility model provides the following technical solutions:

The utility model provides a distribution box for intelligent low-voltage power distribution, which includes a distribution box, a cooling box is provided on the lower side of the distribution box, and a temperature sensor is provided on the inner side of the distribution box. , the middle position of the bottom of the distribution box is provided with a through groove communicating with the interior of the heat dissipation box, an axial fan is arranged in the through groove, and a semiconductor fan is arranged inside the heat dissipation box near the axial flow fan. Refrigerator, the bottom of the power distribution box close to the two sides of the axial flow fan is provided with a number of evenly distributed ventilation slots, the inside of the heat dissipation box is provided with partitions on both sides close to the semiconductor refrigerator, the power distribution box The external side is equipped with a PLC controller.

Preferably, a distribution box cover is hinged on one side of the distribution box body, and a lock is provided at one edge of the distribution box cover.

Preferably, a transparent plate is provided inside the distribution box cover, and a handle is provided on a side of the distribution box cover away from the distribution box body.

Preferably, the side of the distribution box away from the cover of the distribution box is provided with four installation plates equidistant and symmetrically distributed, and installation holes are opened in the middle of the installation plates.

Preferably, a dust-proof bottom plate is detachably connected to the lower side of the heat dissipation box, and several through holes evenly distributed are opened on the dust-proof bottom plate.

The beneficial effect is that: through the cooperation of the temperature sensor, the PLC controller and the axial flow fan, the interior of the distribution box can be automatically radiated and cooled, and the axial flow fan can send the air cooled and refrigerated by the semiconductor cooler into the distribution box to achieve fast and efficient To cool down, the dust-proof bottom plate can prevent dust from entering the cooling box and power distribution box.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of the utility model;

Fig. 2 is the bottom view of Fig. 1 of the utility model;

Fig. 3 is the axial view of Fig. 1 of the utility model;

Fig. 4 is a schematic diagram of the control system of the present invention.

Reference signs are explained as follows: 1. Power distribution box; 2. Cooling box; 3. Mounting plate; 4. Mounting hole; 5. Temperature sensor; 6. Lock; 7. Handle; 8. Distribution box cover; 9. Transparent plate; 10. Dust-proof bottom plate; 11. Semiconductor refrigerator; 12. Axial flow fan; 13. Ventilation groove; 14. Partition plate; 15. PLC controller.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other implementations obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

Referring to Figures 1-3, the utility model provides a distribution box for intelligent low-voltage power distribution, which includes a distribution box (1), and a cooling box is provided on the lower side of the distribution box (1) (2), the internal side of the distribution box (1) is provided with a temperature sensor (5), which is used to detect the internal temperature of the distribution box (1), and the distribution box (1) The middle position of the bottom of the bottom is provided with a through groove communicating with the inside of the cooling box (2), the axial flow fan (12) is arranged in the through groove, and the inside of the cooling box (2) is close to the side of the axial flow fan (12) A semiconductor refrigerator (11) is provided on one side for cooling the air near the air inlet of the axial flow fan (12). A number of ventilation slots (13) are distributed, partitions (14) are provided on both sides of the heat dissipation box (2) close to the semiconductor refrigerator (11), and the outer side of the distribution box (1) is provided with There is a PLC controller (15).

A distribution box cover (8) is hinged on one side of the distribution box body (1), and a lock (6) is provided at one edge of the distribution box cover (8).

The interior of the distribution box cover (8) is provided with a transparent plate (9), and the side of the distribution box cover (8) away from the distribution box body (1) is provided with a handle (7). The transparent plate (9) is used for the staff to observe the internal conditions of the distribution box (1).

The side of the distribution box body (1) away from the distribution box cover (8) is provided with four mounting plates (3) equidistant and symmetrically distributed, and the middle positions of the mounting plates (3) are provided with mounting holes (4). The installation plate (3) and the installation hole (4) are used to install and fix the distribution box (1).

The lower side of the cooling box (2) is detachably connected with a dust-proof bottom plate (10), the dust-proof bottom plate (10) can be connected with the cooling box (2) through bolts, and the dust-proof bottom plate (10) is provided with Several through holes evenly distributed. The dustproof bottom plate (10) can prevent dust from entering the heat dissipation box (2) and the power distribution box (1) while ensuring the communication between the heat dissipation box (2) and the outside air.

With the above structure, the distribution box (1) is installed and fixed through the installation plate (3) and the installation hole (4) on the back side of the distribution box (1), and then through the distribution box (1) The temperature sensor (5) on the inner side detects the temperature inside the power distribution box (1). When the temperature is too high and abnormal, the output terminal of the temperature sensor (5) transmits the electrical signal to the PLC controller ( 15), the PLC controller (15) controls to turn on the semiconductor cooler (11) and the axial fan (12), and the axial fan (12) sends the air cooled by the semiconductor cooler (11) into the power distribution In the box (1), cool down the inside of the distribution box (1), and the gas in the distribution box (1) can be exported to the distribution box (1) through the ventilation groove (13). At this time, The partitions (14) provided on both sides of the semiconductor refrigerator (11) can prevent the hot air from going out of the distribution box (1) from the ventilation groove (13) into the distribution box (1) again through the axial flow fan (12). ), the transparent plate (9) provided on the distribution box cover (8) is convenient for the staff to observe the internal conditions of the distribution box (1).

The beneficial effect of the utility model is that: through the cooperation of the temperature sensor (5), the PLC controller (15) and the axial flow fan (12), the inside of the distribution box (1) can be automatically radiated and cooled, and the axial flow fan (12) will The air cooled and refrigerated by the semiconductor refrigerator (11) is sent into the power distribution box (1) to achieve rapid and efficient cooling, and the dust-proof bottom plate (10) can prevent dust from entering the heat dissipation box (2) and the power distribution box (1) Inside.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (5)

1. a kind of intelligent low-pressure distribution distribution box, it is characterised in that: including distributing box (1), under the distributing box (1) Side is equipped with heat dissipation tank (2), and the interior side of the distributing box (1) is equipped with temperature sensor (5), the distributing box (1) Bottom middle position offers the through slot being connected to the heat dissipation tank (2) inside, is equipped with axial flow blower (12) in the through slot, institute It states the internal side close to axial flow blower (12) of heat dissipation tank (2) and is equipped with semiconductor cooler (11), distributing box (1) bottom Several equally distributed ventilation slots (13) are offered close to the two sides of axial flow blower (12), the heat dissipation tank (2) is internal close The two sides of semiconductor cooler (11) are equipped with partition (14), and the external side of the distributing box (1) is equipped with PLC controller (15).

2. a kind of intelligent low-pressure distribution distribution box according to claim 1, it is characterised in that: the distributing box (1) Side is hinged with Distribution box cover (8), and the side edge of the Distribution box cover (8) is equipped with lockset (6).

3. a kind of intelligent low-pressure distribution distribution box according to claim 2, it is characterised in that: the Distribution box cover (8) Inside is equipped with transparent panel (9), and the Distribution box cover (8) is equipped with handle (7) far from the side of distributing box (1).

4. a kind of intelligent low-pressure distribution distribution box according to claim 1, it is characterised in that: the distributing box (1) is remote Side from Distribution box cover (8) is equipped with equidistant four symmetrical mounting plates (3), and the middle position of the mounting plate (3) is equal Offer mounting hole (4).

5. a kind of intelligent low-pressure distribution distribution box according to claim 1, it is characterised in that: under the heat dissipation tank (2) Side is logical to be removably connected with dust-proof bottom plate (10), offers several equally distributed through-holes on the dust-proof bottom plate (10).