CN212230803U - A moisture-proof and dehumidification mechanism for outdoor high-voltage power distribution cabinets - Google Patents

Abstract

The utility model discloses a moisture-proof and dehumidifying mechanism for an outdoor high-voltage power distribution cabinet, in particular to the technical field of outdoor high-voltage power distribution cabinets. The bottom surface of the power distribution cabinet is fixedly installed with an isolation liner, and a heat energy recovery cavity is arranged between the inner wall of the power distribution cabinet body and the outer wall of the isolation liner. Seal the cabinet door. In the utility model, by setting the sliding moisture-absorbing component, during the working process of the device, the external air flow is introduced by the suction and cooling fan and transported to the interior of the isolation liner through the air inlet pipe, and the introduced air flow passes through the three installation partitions through the communication hole. The heat generated by the electrical components installed above the mounting partition is taken away by the fast-flowing air flow, which improves the heat dissipation rate of the electrical components, and at the same time, the airflow passes through the mounting partition and enters the sliding moisture absorption assembly.

Description

A moisture-proof and dehumidification mechanism for outdoor high-voltage power distribution cabinets

technical field

The utility model relates to the technical field of outdoor high-voltage power distribution cabinets, and more particularly, the utility model relates to a moisture-proof and dehumidification mechanism for outdoor high-voltage power distribution cabinets.

Background technique

The power distribution cabinet is the general name of the motor control center, which is the final equipment of the power distribution system. , which facilitates the rapid and reasonable distribution of power resources and increases the safety of electricity consumption. During the process of power distribution, the circuit components inside the power distribution cabinet will generate a lot of heat during their high-load operation. In order to avoid heat accumulation and damage to electrical components, Power distribution cabinets are equipped with cooling mechanisms to ensure the normal operation of power distribution cabinets. Power distribution cabinets can be divided into two types: indoor power distribution cabinets and outdoor power distribution cabinets according to the installation location.

The outdoor installation of outdoor power distribution cabinets will be eroded by different weathers. In rainy weather, the power distribution cabinet body is easily eroded by rainwater, resulting in a humid internal environment of the power distribution cabinet. In order to avoid short-circuit damage to electrical components caused by the humid environment, outdoor Electric cabinets are equipped with moisture-proof and dehumidification mechanisms, while most of the existing moisture-proof and dehumidification mechanisms of power distribution cabinets use increased sealing of the power distribution cabinet body to prevent moisture inside the power distribution cabinet, but the sealing mechanism is very easy to be used for a long time. It is slowly corroded and damaged by the humid environment, and it is impossible to completely eliminate the erosion of water on the power distribution cabinet.

Therefore, there is an urgent need to provide a moisture-proof and dehumidification mechanism for outdoor high-voltage power distribution cabinets with long service life and good dehumidification effect.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a moisture-proof and dehumidification mechanism for an outdoor high-voltage power distribution cabinet. By arranging a sliding moisture-absorbing component, during the operation of the device, a suction and heat-dissipating fan is used to introduce the air flow from the outside and remove the moisture. It is transported to the interior of the isolation liner through the air inlet pipe, and the introduced air passes through the three installation partitions through the communication holes. At the same time, the air flow passes through the installation partition and enters the sliding moisture absorption component, and the anhydrous copper sulfate particles filled inside the moisture absorption filter plate are used to react and absorb the water molecules generated by the alternating cold and heat in the contact between the air flow and the electrical element, Using the sliding connection between the pulley block and the guide rail, it is convenient for maintenance personnel to regularly disassemble the sliding mounting bracket to replace the moisture absorption filter plate, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a moisture-proof and dehumidification mechanism for an outdoor high-voltage power distribution cabinet, comprising a mounting base, a power distribution cabinet body is fixedly installed on the top surface of the mounting base, and the power distribution cabinet body is The bottom surface of the inner cavity is fixedly installed with an isolation liner, a heat energy recovery cavity is arranged between the inner wall of the power distribution cabinet body and the outer wall of the isolation liner, and a side surface of the power distribution cabinet body is movably installed with the The same side of the isolation liner is a frictionally connected sealed cabinet door, the other side of the isolation liner is inlaid with wiring components, and the bottom end of the wiring components is fixedly connected with the other side of the power distribution cabinet body It is a lead pipe that is fixedly connected, and a heat energy recovery exhaust fan is fixedly installed on the bottom surface of the inner cavity of the isolation liner, and the rear end of the heat energy recovery exhaust fan is fixedly connected with the other side of the power distribution cabinet body. A three-way connecting pipe that is fixedly connected, a mounting partition that is fixedly connected to the inner wall of the power distribution cabinet body is fixedly installed above the heat energy recovery exhaust fan, and both sides of the bottom surface of the mounting partition are fixedly installed There is a guide slide rail, the interior of the guide slide rail is movably connected with a sliding moisture-absorbing component that is frictionally connected to the bottom surface of the installation partition, and an air inlet pipe is fixedly installed on the top surface of the isolation liner. The top of the pipe penetrates the heat energy recovery cavity and is fixedly connected to the power distribution cabinet body with a suction and cooling fan, and the outside of the suction and cooling fan is fixedly installed with a rain-shielding roof that is fixedly connected to the top surface of the power distribution cabinet body cover.

In a preferred embodiment, a plurality of ventilation holes are opened on both sides of the rain cover, the suction and cooling fan communicates with the outside through a plurality of ventilation holes, and the suction and cooling fan passes through all the ventilation holes. The air inlet pipe is communicated with the inner cavity of the isolation liner.

In a preferred embodiment, the number of the installation baffles is three, the three installation baffles are equally spaced in the inner cavity of the isolation liner, and the interior of each isolation liner is provided with several The top surface of each isolation liner is provided with a plurality of equally spaced installation slots.

In a preferred embodiment, the number of the guide rails is six, the six guide rails are equally divided into three groups, and two guide rails in each group are welded to the two sides of the bottom surface of a mounting baffle, respectively. The number of the sliding moisture absorption components is three, and the three sliding moisture absorption components are respectively movably installed on the bottom surfaces of the three installation partitions through three sets of guide slide rails.

In a preferred embodiment, the sliding moisture-absorbing assembly includes a sliding mounting bracket, two sides of the sliding mounting bracket are fixedly installed with a number of equally spaced pulley sets, and the interior of the sliding mounting bracket is detachably installed with moisture-absorbing A filter plate, the interior of the moisture absorption filter plate is filled with anhydrous copper sulfate particles.

In a preferred embodiment, the three-way connecting pipe is inlaid and installed at the connection between the isolation liner and the rear end of the heat energy recovery exhaust fan, and one end of the three-way connecting pipe is connected to the heat energy recovery exhaust gas The exhaust port of the fan is fixedly connected, the other end of the three-way connecting pipe is connected to the outside through the heat energy recovery cavity and the power distribution cabinet body, and the third end of the three-way connecting pipe is connected to the heat energy The recovery chambers are communicated, and an electrically controlled butterfly valve is arranged in the middle of the three-way connecting pipe.

In a preferred embodiment, the inner cavity of the heat energy recovery cavity is provided with a number of rubber buffer blocks distributed at equal distances, and the inner cavity of the heat energy recovery cavity is connected to the third port of the three-way connecting pipe There is a temperature-sensing control switch that is electrically connected to the electronically controlled butterfly valve.

Technical effects and advantages of the present utility model:

1. In the present utility model, by setting the sliding moisture-absorbing assembly, during the operation of the device, the external air flow is introduced by the suction and cooling fan and transported to the interior of the isolation liner through the air inlet pipe, and the introduced air flow passes through the three communication holes. Install the partition, take away the heat generated by the electrical components installed above the installation partition through the fast-flowing air flow, improve the heat dissipation rate of the electrical components, and at the same time, the airflow passes through the installation partition and enters the sliding moisture absorption component. The anhydrous copper sulfate particles filled inside react and absorb the water molecules generated by the alternating cold and heat in the contact between the airflow and the electrical components, which ensures the drying of the internal environment of the power distribution cabinet body, and avoids the corrosion of the device by moisture and the electricity caused by moisture. The problem of short circuit of components improves the service life of the device and the safety of power supply of electrical components. Finally, the sliding connection between the pulley block and the guide rail is used for maintenance personnel to regularly remove the sliding mounting bracket to replace the moisture absorption filter plate, which improves the convenience of the device. sex.

2. The utility model adopts the heat energy recovery cavity. During the working process of the device, the hot air flow generated by absorbing the heat of the electric element is discharged to the outside by using the three-way connecting pipe and the heat energy recovery exhaust fan, so as to ensure the isolation of the air in the inner cavity of the inner tank. Circulating flow improves the rate of heat loss. At the same time, when encountering rainy weather, the electronically controlled butterfly valve is controlled to open through the temperature control switch, so that the third port of the three-way connecting pipe is connected to the main pipe, and the hot air flow is introduced into heat energy. The recovery cavity uses the hot air to dissipate heat to heat the power distribution cabinet body, which speeds up the drying rate of the outer surface of the power distribution cabinet body, and prevents rainwater from adhering to the outer surface of the power distribution cabinet body for a long time, corroding the device shell and invading the device through the connection gap. Inside, the energy efficiency is improved and the practicality of the device is increased.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Figure 2 is a schematic diagram of the structure of the installation partition of the present invention.

FIG. 3 is a schematic structural diagram of the sliding moisture absorbing assembly of the present invention.

4 is a schematic structural diagram of a three-way connecting pipe of the present invention.

FIG. 5 is a schematic diagram of the partial structure of the heat energy recovery chamber of the present invention.

The reference signs are: 1. Installation base; 2. Power distribution cabinet body; 3. Isolation inner tank; 4. Heat energy recovery cavity; 5. Sealed cabinet door; 6. Wiring assembly; 7. Lead pipe; Air fan; 9. Three-way connecting pipe; 10. Installation partition; 11. Guide rail; 12. Sliding moisture absorption assembly; 13. Air inlet pipe; 14. Air suction and cooling fan; 15. Rain cover; 16. Connecting hole; 17, electric control butterfly valve; 18, buffer block; 19, temperature control switch; 121, sliding mounting bracket; 122, pulley block; 123, moisture absorption filter plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in the accompanying drawings 1-5, a moisture-proof and dehumidification mechanism for an outdoor high-voltage power distribution cabinet includes a mounting base 1, a power distribution cabinet body 2 is fixedly installed on the top surface of the mounting base 1, and the bottom surface of the inner cavity of the power distribution cabinet body 2 is fixed The isolation inner tank 3 is fixedly installed, a heat energy recovery cavity 4 is arranged between the inner wall of the power distribution cabinet body 2 and the outer wall of the isolation inner tank 3, and one side of the power distribution cabinet body 2 is movably installed with the same side of the isolation inner tank 3. The sealed cabinet door 5 is frictionally connected, and the other side of the isolation liner 3 is inlaid with a wiring assembly 6, and the bottom end of the wiring assembly 6 is fixedly connected with a lead pipe 7 that is fixedly connected to the other side of the power distribution cabinet body 2. , the bottom surface of the inner cavity of the isolation liner 3 is fixedly installed with a heat energy recovery exhaust fan 8, and the rear end of the heat energy recovery exhaust fan 8 is fixedly connected with a tee connection pipe 9 that is fixedly connected to the other side of the power distribution cabinet body 2 , a mounting partition 10 fixedly connected to the inner wall of the power distribution cabinet body 2 is fixedly installed above the heat energy recovery exhaust fan 8, and guide rails 11 are fixedly installed on both sides of the bottom surface of the installation partition 10. The guide rails The interior of 11 is movably connected with a sliding moisture-absorbing assembly 12 that is frictionally connected to the bottom surface of the mounting baffle 10, and the top surface of the isolation liner 3 is fixedly installed with an air inlet duct 13, and the top of the air inlet duct 13 penetrates the heat energy recovery cavity 4 and the fittings. The electrical cabinet body 2 is fixedly connected with a suction and cooling fan 14 , and a rain-shielding top cover 15 fixedly connected to the top surface of the power distribution cabinet body 2 is fixedly mounted on the outside of the suction and cooling fan 14 .

With specific reference to the accompanying drawings 2 and 3 of the description, both sides of the rain cover 15 are provided with a number of ventilation holes, the suction and cooling fan 14 is communicated with the outside through a number of ventilation holes, and the suction and cooling fan 14 passes through the inlet and outlet. The air duct 13 communicates with the inner cavity of the isolation inner bladder 3 .

The number of the installation partitions 10 is three, and the three installation partitions 10 are equally spaced in the inner cavity of the isolation inner tank 3, and each isolation inner tank 3 is provided with a number of communication holes 16, and each isolation inner tank 3 is provided with a number of communication holes 16. The top surface of the gallbladder 3 is provided with a number of equally spaced installation slots.

The number of the guide rails 11 is six, and the six guide rails 11 are divided into three groups. Two guide rails 11 in each group are welded to the two sides of the bottom surface of the installation partition 10 respectively. The number is three, and the three sliding moisture-absorbing assemblies 12 are respectively movably installed on the bottom surfaces of the three mounting partitions 10 through three sets of guide rails 11 .

The sliding moisture absorbing assembly 12 includes a sliding mounting bracket 121 . Both sides of the sliding mounting bracket 121 are fixedly mounted with a number of equally spaced pulley groups 122 . The inside is filled with anhydrous copper sulfate particles.

The specific embodiment is as follows: by setting the sliding moisture absorption assembly 12, during the operation of the device, the air flow from the outside is introduced by the suction and cooling fan 14 and is transported to the interior of the isolation liner 3 through the air inlet pipe 13, and the introduced air flow passes through the communication hole. 16 passes through the three mounting partitions 10, and the heat generated by the electrical components installed above the mounting partitions 10 is taken away by the fast-flowing airflow, which improves the heat dissipation rate of the electrical components. In the assembly 12, the anhydrous copper sulfate particles filled in the moisture absorption filter plate 123 are used to react and absorb the water molecules generated by the alternating cold and heat in the contact between the airflow and the electrical components, which ensures the drying of the internal environment of the power distribution cabinet and avoids the The corrosion of the device by moisture and the short circuit of electrical components caused by moisture improve the service life of the device and the safety of power supply to the electrical components. Finally, the sliding connection between the pulley block 122 and the guide rail 11 is used to facilitate the maintenance personnel to regularly disassemble the sliding mounting bracket 121 to replace the moisture absorption filter plate 123, which improves the convenience of the device.

With specific reference to the accompanying drawings 4 and 5 of the description, the tee connecting pipe 9 is inlaid and installed at the connection between the isolation liner 3 and the rear end of the heat energy recovery exhaust fan 8 , and one end of the tee connecting pipe 9 is connected to the end of the heat energy recovery exhaust fan 8 The exhaust port is fixedly connected, the other end of the tee connection pipe 9 is connected to the outside world through the heat energy recovery cavity 4 and the power distribution cabinet body 2, and the third end of the tee connection pipe 9 is communicated with the heat energy recovery cavity 4, and the three An electronically controlled butterfly valve 17 is provided at the third port of the connecting pipe 9 .

The inner cavity of the heat energy recovery cavity 4 is provided with a number of rubber buffer blocks 18 distributed at equal distances, and the connection between the inner cavity of the heat energy recovery cavity 4 and the third port of the three-way connecting pipe 9 is provided with an electric control butterfly valve 17. Sexually connected temperature control switch 19.

The specific embodiment is as follows: by setting the heat energy recovery cavity 4, during the working process of the device, the three-way connecting pipe 9 is used to cooperate with the heat energy recovery exhaust fan 8 to discharge the hot air flow generated by absorbing the heat of the electric element to the outside, so as to ensure the isolation of the inner tank 3. The air circulates in the inner cavity, which improves the rate of heat loss. At the same time, when encountering rainy weather, the electronically controlled butterfly valve 17 is controlled to open through the temperature sensing control switch 19, so that the third port of the three-way connecting pipe 9 is connected to the main pipeline. Connected, the hot air flow is introduced into the heat energy recovery cavity 4, and the hot air flow is used to dissipate heat to heat the power distribution cabinet body 2, which speeds up the drying rate of the outer surface of the power distribution cabinet body 2, and prevents rainwater from adhering to the power distribution cabinet body 2 for a long time. The outer surface corrodes the casing of the device and penetrates into the interior of the device through the connection gap, which improves the energy utilization rate and increases the practicability of the device.

The working principle of the utility model: firstly install each component and keep the device running normally, then use the suction and cooling fan 14 to introduce the air flow from the outside and transport it to the interior of the isolation liner 3 through the air inlet duct 13, and the introduced air flow passes through the communication hole. 16 passes through the three installation partitions 10, and the heat generated by the electrical components installed above the installation partitions 10 is taken away by the fast-flowing air flow, while the airflow passes through the installation partitions 10 into the sliding moisture absorption assembly 12, and the moisture absorption filter plate is used. The inside of 123 is filled with anhydrous copper sulfate particles to react and absorb the water molecules generated by the alternating cold and heat in the contact between the airflow and the electrical components. The air flow is discharged to the outside, which ensures the circulation of the air in the inner cavity of the isolation inner tank 3. Then, in the event of rainy weather, the electronically controlled butterfly valve 17 is controlled to open through the temperature-sensing control switch 19, so that the third connection of the three-way connecting pipe 9 is opened. The port is connected with the main pipeline, and the hot air flow is introduced into the heat energy recovery cavity 4, and the hot air flow is used to dissipate heat to heat the power distribution cabinet body 2, which speeds up the drying rate of the outer surface of the power distribution cabinet body 2, and prevents rainwater from adhering to the power distribution cabinet for a long time. The outer surface of the cabinet body 2 corrodes the device shell and penetrates into the device through the connection gap. Finally, the sliding connection between the pulley group 122 and the guide rail 11 is used to facilitate maintenance personnel to regularly disassemble the sliding mounting bracket 121 to replace the moisture absorption filter plate 123.

The last points to be noted are: First of all, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, and may be mechanical connection. or electrical connection, or internal communication between two components, or direct connection, "up", "down", "left", "right", etc. are only used to indicate relative positional relationship, when the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: in the drawings of the disclosed embodiments of the present invention, only the structures involved in the embodiments of the present invention are involved, and other structures may refer to the general design. In the case of no conflict, the same embodiment and different embodiments of the present invention can be mutually combination;

Finally: the above is only the preferred embodiment of the present utility model, and is not intended to limit the present utility model, all within the spirit and principle of the present utility model, any modification, equivalent replacement, improvement, etc. made, should include within the scope of protection of the present invention.

Claims (7)

1. A moisture-proof and dehumidification mechanism for an outdoor high-voltage power distribution cabinet, comprising a mounting base (1), a power distribution cabinet body (2) is fixedly mounted on the top surface of the mounting base (1), and the power distribution cabinet body (2) ) An isolation liner (3) is fixedly installed on the bottom surface of the inner cavity, characterized in that a heat energy recovery cavity (4) is arranged between the inner wall of the power distribution cabinet body (2) and the outer wall of the isolation liner (3). ), one side of the power distribution cabinet body (2) is movably installed with a sealed cabinet door (5) frictionally connected to the same side of the isolation liner (3), and the other side of the isolation liner (3) A wiring assembly (6) is inlaid on one side, and the bottom end of the wiring assembly (6) is fixedly connected with a lead pipe (7) that is fixedly connected to the other side of the power distribution cabinet body (2). A heat energy recovery exhaust fan (8) is fixedly installed on the bottom surface of the inner cavity of the isolation liner (3), and the rear end of the heat energy recovery exhaust fan (8) is fixedly connected with another part of the power distribution cabinet body (2). One side is a three-way connecting pipe (9) that is fixedly connected, and a mounting partition (10) that is fixedly connected to the inner wall of the power distribution cabinet body (2) is fixedly installed above the heat energy recovery exhaust fan (8). ), guide rails (11) are fixedly installed on both sides of the bottom surface of the installation partition (10), and the interior of the guide rail (11) is movably connected with the bottom surface of the installation partition (10). It is a frictionally connected sliding moisture absorption assembly (12), an air inlet pipe (13) is fixedly installed on the top surface of the insulating inner liner (3), and the top of the air inlet pipe (13) penetrates the heat energy recovery cavity (4). ) is fixedly connected with the power distribution cabinet body (2) with a suction and cooling fan (14), and the outside of the suction and cooling fan (14) is fixedly installed with the top surface of the power distribution cabinet body (2) in a fixed connection the rain cover (15). 2. The moisture-proof and dehumidification mechanism of an outdoor high-voltage power distribution cabinet according to claim 1, characterized in that: a plurality of ventilation holes are opened on both sides of the rain-shielding top cover (15), and the air-absorbing and heat-dissipating The fan (14) communicates with the outside through a plurality of ventilation holes, and the air suction and heat dissipation fan (14) communicates with the inner cavity of the isolation liner (3) through the air inlet pipe (13). 3. The moisture-proof and dehumidification mechanism of an outdoor high-voltage power distribution cabinet according to claim 1, wherein the number of the installation partitions (10) is three, and the three installation partitions (10) are equidistantly distributed A plurality of communication holes (16) are opened in the inner cavity of the isolation inner tank (3), and each isolation inner tank (3) is provided with several communication holes (16) on the top surface of each isolation inner tank (3). equidistantly spaced mounting slots. 4. The moisture-proof and dehumidification mechanism of an outdoor high-voltage power distribution cabinet according to claim 3, wherein the number of the guide rails (11) is six, and the six guide rails (11) are divided into equal parts. There are three groups, two guide rails (11) in each group are respectively welded on both sides of the bottom surface of an installation partition (10), the number of the sliding moisture absorbing components (12) is three, and the three sliding moisture absorbing components ( 12) The three sets of guide rails (11) are respectively movably installed on the bottom surfaces of the three installation partitions (10). 5. The moisture-proof and dehumidification mechanism of an outdoor high-voltage power distribution cabinet according to claim 4, wherein the sliding moisture absorption assembly (12) comprises a sliding mounting bracket (121), and the sliding mounting bracket (121) has a Both sides are fixedly installed with a plurality of equally spaced pulley groups (122), the inside of the sliding mounting bracket (121) is detachably installed with a moisture absorption filter plate (123), and the interior of the moisture absorption filter plate (123) is filled with Anhydrous copper sulfate particles. 6 . The moisture-proof and dehumidification mechanism for an outdoor high-voltage power distribution cabinet according to claim 1 , wherein the three-way connecting pipe (9) is inlaid and installed in the isolation liner (3) and the heat energy recovery device. 7 . At the connection of the tail end of the exhaust fan (8), one end of the three-way connecting pipe (9) is fixedly connected with the air outlet of the heat recovery exhaust fan (8), and the three-way connecting pipe (9) The other end of the three-way connecting pipe (9) is connected to the heat energy recovery cavity (4) through the heat energy recovery cavity (4) and communicated with the power distribution cabinet body (2). The middle part of the three-way connecting pipe (9) is provided with an electronically controlled butterfly valve (17). 7. The moisture-proof and dehumidification mechanism of an outdoor high-voltage power distribution cabinet according to claim 6, characterized in that: the inner cavity of the heat energy recovery chamber (4) is provided with a plurality of rubber buffer blocks (18) distributed at equal distances. ), and the connection between the inner cavity of the heat energy recovery cavity (4) and the third port of the three-way connecting pipe (9) is provided with a temperature-sensing control switch that is electrically connected to the electronically controlled butterfly valve (17). (19).

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