CN205680966U - a distribution box - Google Patents

Abstract

The utility model discloses a distribution box, which comprises a box body and a box door arranged on the box body. The box door is connected with the box body hinge. An electronic fan cooling module is installed on the left side of the body, and the electronic fan cooling module includes an electronic fan, a temperature sensor and a control unit; a ventilation pipe is installed on the right side of the cabinet corresponding to the electronic fan cooling module, and the shape of the ventilation pipe is "┓" The opening of the ventilation pipe faces downward, and several small dust baffles are arranged staggeredly on the inner wall of the vertical part of the ventilation pipe. The upper end of the dust plate is located on the right side of the extension line of the vertical part of the ventilation duct. The utility model not only can effectively control the temperature in the distribution box to avoid equipment failure caused by overheating, but also can easily clean the dust or sand inside the distribution box while preventing dust and wind and sand.

Description

a distribution box

technical field

The utility model belongs to the technical field of power grid equipment, in particular to a distribution box.

Background technique

Distribution box is a kind of low-voltage distribution equipment assembled in closed or semiclosed metal cabinet by switchgear, measuring instrument, protective device and auxiliary equipment according to electrical wiring requirements. During normal operation, the circuit can be connected or disconnected by manual or automatic switch. There are specific requirements for the working temperature during the operation of the distribution box. Generally, the upper limit of the ambient air temperature is not more than 40°C; the average value of the ambient air temperature for 24 hours is generally not more than 35°C; the lower limit of the ambient air temperature is not lower than -5°C . In the high temperature season in midsummer, the temperature inside the box sometimes reaches above 60°C, which greatly exceeds the ambient temperature specified by the electrical appliances in the box, and it is prone to failure. In addition, the environment in northern my country, especially the northwest region, is extremely harsh. Due to wind, rain, and snow, sand and dust can easily invade the power supply box of outdoor electric equipment, and in severe cases, the equipment will be shut down. However, the space of the power distribution box is small and difficult to clean It is very difficult, which not only increases the workload of the employees, but also the wires and electrical components in the distribution box are densely covered during cleaning, which is difficult to clean. Therefore, it is particularly important to design a distribution box that can not only effectively control the internal temperature of the distribution box, but also prevent dust and sand.

The patent application number is 201520092279.0, which discloses an AC low-voltage power distribution cabinet, including a cabinet body. The cabinet body is provided with a functional unit room, a horizontal busbar room, a vertical busbar room and a cable room from top to bottom. There is a cabinet door in front of the cabinet body. , there is a heat dissipation box behind the cabinet door, the heat dissipation box is connected with the cabinet body, a blower fan is installed in the heat dissipation box, and an air guide turntable is arranged in front of the blower fan and at the communication port between the heat dissipation box and the cabinet body, and the air guide turntable is provided with Air guide fins, each air guide fin is inclined, the upper end of the cabinet is equipped with a temperature control device connected to the heat dissipation box, the temperature control device is connected to the control system and temperature sensor through wires, and the bottom of the cabinet is provided with feet. The beneficial effect of the utility model is that the direction of the wind blown into the cabinet can be changed through the combination of the blowing fan and the wind guide turntable, so as to achieve heat dissipation in the cabinet and can achieve a certain heat dissipation effect. Yet this utility model is complicated in structure and can not play the effect of dust-proof and sand-proof.

Utility model content

In view of this, the purpose of this utility model is to provide a distribution box for the deficiencies in the prior art, which can not only effectively control the temperature in the distribution box to avoid equipment failure caused by excessive temperature, but also prevent dust and wind At the same time, it is easy to clean the dust or sand inside the distribution box.

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

A distribution box, comprising a box body and a box door arranged on the box body, the box door is connected to the hinge of the box body, the bottom of the box body is an inclined surface, and several An electronic fan heat dissipation module is arranged on the left side of the box body, and the electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit, the temperature sensor is connected to the control unit by electrical signals, and the electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit. The rotating speed of the fan is adjustable, and the control unit adjusts the rotating speed of the electronic fan according to the temperature in the box;

On the right side of the box body, a ventilation pipe is arranged at a position corresponding to the heat dissipation module of the electronic fan. Several small dust shields are arranged alternately on the inner wall, the small dust shields are inclined plates, a large dust shield is arranged on the inner wall of the turning part of the ventilation pipe, and the upper end of the large dust shield is located at the top of the ventilation pipe to the right of the vertical portion of the extension line.

A water guide groove is arranged on the top plate.

The top of the box body is a top plate inclined to the rear.

The inside of the box is provided with a radio remote control assembly, the radio remote control assembly includes a remote control handle and a radio receiving control module, the remote control handle includes a key module, an encoding module and a wireless transmitting module, and the radio receiving control module includes a wireless receiving module , a decoding module and a relay module, the input end of the wireless transmitting module is connected to the output end of the encoding module, the output end of the wireless receiving module is connected to the input end of the decoding module, and the input end of the relay module is connected to the input end of the decoding module The output end of the decoding module is connected.

A filter screen is arranged at the connecting part between the ventilation pipe and the box body.

The right frame of the box body is inlaid with a strong magnet, and the inner surface of the box door is set with an iron sheet, and the position of the iron sheet corresponds to the position of the strong magnet.

The beneficial effects of the utility model are:

The utility model provides a distribution box, which comprises a box body and a box door arranged on the box body, the box door is connected with the hinge of the box body; the bottom of the box body is an inclined surface, which acts as a The dust-proof and sand-proof effect, in places with a lot of dust or wind and sand, if dust or sand enters the inside of the box, when the door is opened, the dust or sand that enters the inside of the box will move along the bottom of the box. The inclined surface automatically slides out, which effectively solves the problem that the traditional distribution box is difficult to clean the internal dust or sand; several threading holes are set on the inclined surface for the power line to be introduced into the box; the left side of the box An electronic fan heat dissipation module is set, and the electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit, the temperature sensor is connected to the control unit with electrical signals, the speed of the electronic fan is adjustable, and the control unit The temperature in the body is used to adjust the speed of the electronic fan, so that when the temperature sensor detects that the temperature in the box exceeds the set temperature, the electronic fan will work to dissipate heat, which can not only effectively reduce the abnormality of the distribution box caused by high temperature. work problem, and when the temperature is low, the electronic fan stops working to save electric energy; a ventilation pipe is provided on the right side of the box corresponding to the heat dissipation module of the electronic fan for ventilation inside the box To cool down, the shape of the ventilation pipe is "┓" shape, and the opening of the ventilation pipe is facing downward. This structure can prevent dust or sand from entering the ventilation pipe. On the inner wall of the vertical part of the ventilation pipe, several A small dust shield, the small dust shield is an inclined plate, which can effectively block the large particles of dust or sand entering the ventilation pipe to reduce the probability of entering the box, and the inner wall of the turning part of the ventilation pipe is provided with a large Dust baffle, the upper end of the large dust baffle is located on the right side of the extension line of the vertical part of the ventilation pipe, the large dust baffle is another line of defense to block dust or sand, and prevents Dust or sand held back by the dust board. The utility model not only can effectively control the temperature in the distribution box to avoid equipment failure caused by overheating, but also can easily clean the dust or sand inside the distribution box while preventing dust and wind and sand.

Description of drawings

Fig. 1 is the structural representation of the first kind of embodiment of the utility model;

Fig. 2 is the top view of the first embodiment of the present utility model;

Fig. 3 is a partial sectional view of the ventilation pipe of the present utility model;

Fig. 4 is the structural representation of the second embodiment of the present utility model;

Fig. 5 is the top view of the second embodiment of the present utility model;

Fig. 6 is a schematic structural view of a third embodiment of the present invention;

FIG. 7 is a schematic structural view of a fourth embodiment of the present invention;

Fig. 8 is a schematic structural view of a fifth embodiment of the present invention;

Fig. 9 is a schematic structural diagram of a sixth embodiment of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Example 1

As shown in Figure 1, Figure 2, and Figure 3, a distribution box includes a box body and a box door arranged on the box body, the box door is connected to the box body hinge, and the box body The bottom is an inclined surface, and two threading holes are arranged on the inclined surface, and an electronic fan heat dissipation module is arranged on the left side of the box body, and the electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit, and the temperature sensor The electric signal connection with the control unit, the speed of the electronic fan is adjustable, and the control unit adjusts the speed of the electronic fan according to the temperature in the box;

On the right side of the box body, a ventilation pipe is arranged at a position corresponding to the heat dissipation module of the electronic fan. Several small dust shields are arranged alternately on the inner wall, the small dust shields are inclined plates, a large dust shield is arranged on the inner wall of the turning part of the ventilation pipe, and the upper end of the large dust shield is located at the top of the ventilation pipe to the right of the vertical portion of the extension line.

The bottom of the box is an inclined surface, which has the effect of preventing dust and sand. In places with large dust or windy sand, if dust or sand enters the inside of the box, it will enter the inside of the box when the door is opened. The dust or sand will automatically slide out along the inclined surface at the bottom of the box, which effectively solves the problem that the traditional distribution box is difficult to clean the internal dust or sand; two threading holes are set on the inclined surface for the introduction of power lines into the In the box; the left side of the box is provided with an electronic fan heat dissipation module, the electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit, the temperature sensor is connected to the control unit with electrical signals, and the electronic fan The speed of the electronic fan is adjustable, and the control unit adjusts the speed of the electronic fan according to the temperature in the box, so that when the temperature sensor detects that the temperature in the box exceeds the set temperature, the electronic fan will work to dissipate heat, not only It can effectively reduce the problem that the distribution box cannot work normally caused by high temperature, and when the temperature is low, the electronic fan stops working to save electric energy; the right side of the box corresponds to the electronic fan cooling module A ventilation pipe is provided for ventilation and cooling inside the box. The shape of the ventilation pipe is "┓" shape, and the opening of the ventilation pipe is downward. This structure can prevent dust or sand from entering the ventilation pipe. On the inner wall of the vertical part of the ventilation pipe, several small dust shields are staggered, and the small dust shields are inclined plates, which can effectively block the large particles of dust or sand entering the ventilation pipe to reduce the probability of entering the box. The inner wall of the turning part of the ventilation pipe is provided with a large dust shield, and the upper end of the large dust shield is located on the right side of the extension line of the vertical part of the ventilation pipe. The large dust shield is used to block dust or sand. Yet another line of defense against dirt or sand that is not blocked by the small dust baffle. The utility model not only can effectively control the temperature in the distribution box to avoid equipment failure caused by overheating, but also can easily clean the dust or sand inside the distribution box while preventing dust and wind and sand.

Example 2

As shown in Fig. 4 and Fig. 5, the difference from Embodiment 1 is that a water diversion groove is arranged on the top plate, and when it rains, the rainwater can flow down along the water diversion groove.

Example 3

As shown in Figure 6, the difference between it and Embodiment 2 is that the top of the box body is a top plate inclined to the rear, which can not only prevent rainwater but also prevent dust or sand from covering the top of the box body and affecting the box body Heat dissipation.

Example 4

As shown in Figure 7, the difference between it and Embodiment 3 is that a radio remote control assembly is arranged inside the box, the radio remote control assembly includes a remote control handle and a radio receiving control module, and the remote control handle includes a button module and a coding module and a wireless transmitting module, the radio receiving control module includes a wireless receiving module, a decoding module and a relay module, the input end of the wireless transmitting module is connected to the output end of the encoding module, and the output end of the wireless receiving module is connected to the The input end of the decoding module is connected, and the input end of the relay module is connected to the output end of the decoding module;

After the wireless receiving module receives the signal sent by the wireless transmitting module, the wireless receiving module confirms the encoded pulse signal through the decoding module, and if it is confirmed, the decoding module generates The corresponding output signal controls the relay module, and the switching circuit operates. If the confirmation is not passed, the decoding module does not decode, the relay module does not respond, and the switching circuit does not have any action. In this way, only the remote control handle The distribution box can be powered on and off remotely.

Example 5

As shown in Figure 8, the difference between it and Embodiment 4 is that a filter screen is provided at the connecting part of the ventilation pipe and the box body to provide the last line of defense to prevent dust or sand from entering the box body through the ventilation pipe. Added winddust and sand protection effects.

Example 6

As shown in Figure 9, the difference between it and Embodiment 5 is that: the right frame of the box body is inlaid with a strong magnet, and the inner surface of the door is set with an iron sheet, and the position of the iron sheet is corresponding to the position of the strong magnet. correspond.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model, as long as they do not depart from the technical solution of the utility model The spirit and scope should be included in the claims of the present utility model.

Claims (6)

1. A distribution box, comprising a box body and a box door arranged on the box body, the box door is connected to the box body hinge, it is characterized in that: the bottom of the box body is an inclined surface, the Several threading holes are set on the inclined surface, and an electronic fan heat dissipation module is set on the left side of the box body. The electronic fan heat dissipation module includes an electronic fan, a temperature sensor and a control unit, and the temperature sensor is electrically connected to the control unit. Signal connection, the speed of the electronic fan is adjustable, and the control unit adjusts the speed of the electronic fan according to the temperature in the box; a ventilation pipe is set on the right side of the box corresponding to the cooling module of the electronic fan , the shape of the ventilation pipe is "┓" shape, the opening of the ventilation pipe is facing downward, and several small dust baffles are arranged alternately on the inner wall of the vertical part of the ventilation pipe, and the small dust baffles are inclined plates A large dust shield is arranged on the inner wall of the turning part of the ventilation pipe, and the upper end of the large dust shield is located on the right side of the extension line of the vertical part of the ventilation pipe. 2. A distribution box according to claim 1, characterized in that: the top of the box body is a top plate inclined to the rear. 3. A distribution box according to claim 2, characterized in that: a water diversion groove is arranged on the top plate. 4. A distribution box according to claim 1 or 2, characterized in that: a radio remote control assembly is arranged inside the box, and the radio remote control assembly includes a remote control handle and a radio receiving control module, and the remote control handle It includes a button module, an encoding module and a wireless transmitting module, the radio receiving control module includes a wireless receiving module, a decoding module and a relay module, the input end of the wireless transmitting module is connected to the output end of the encoding module, and the wireless receiving module The output end of the relay module is connected to the input end of the decoding module, and the input end of the relay module is connected to the output end of the decoding module. 5. A distribution box according to claim 1 or 2, characterized in that: a filter is provided at the connection between the ventilation pipe and the box body. 6. A distribution box according to claim 1 or 2, characterized in that: the right frame of the box is inlaid with a strong magnet, and the inner surface of the box door is provided with an iron sheet, and the iron sheet is in contact with the Corresponds to the position of the strong magnet mentioned above.