Temperature and humidity control structure for high-voltage power distribution cabinet

Abstract

The utility model relates to the technical field of high-voltage power distribution cabinets, and discloses a temperature and humidity control structure for a high-voltage power distribution cabinet, which comprises a power distribution cabinet assembly and a humidity control ventilation assembly arranged in the power distribution cabinet assembly, the power distribution cabinet assembly comprises a power distribution cabinet body, and one side of the power distribution cabinet body is movably connected with a cabinet door. The inner side surface of the power distribution cabinet body is movably connected with a control assembly, the lower end of the power distribution cabinet body is movably connected with a temperature and humidity sensor, a heater is arranged below the temperature and humidity sensor, a supporting plate is arranged below the heater, and the lower end of the power distribution cabinet body is movably connected with a filter screen; a drying agent is arranged at the upper end of the tray, a baffle is arranged above the tray, a fan is movably installed at the upper end of the baffle, and a shielding block is arranged above the fan. Foreign matters are prevented from shielding the air outlet to affect the heat dissipation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage power distribution cabinets, in particular to a temperature and humidity control structure for high-voltage power distribution cabinets. Background Art

[0002] High-voltage distribution cabinet refers to electrical products with voltage levels of 3.6kV to 550kV, which are used for switching, controlling or protecting in power generation, transmission, distribution, power conversion and consumption of power systems. They mainly include high-voltage circuit breakers, high-voltage disconnectors and grounding switches, high-voltage load switches, high-voltage automatic reclosing and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof distribution devices and high-voltage switch cabinets. The high-voltage switch manufacturing industry is an important part of the power transmission and transformation equipment manufacturing industry, and occupies a very important position in the entire power industry.

[0003] Chinese patent document CN213636831U discloses a distribution cabinet with automatic monitoring and adjustment function, including a distribution cabinet body, a cabinet door is provided on the distribution cabinet body, the cabinet door is hinged to one side of the distribution cabinet body, and an intelligent temperature and humidity controller, a heater, a fan, and a temperature and humidity sensor are provided inside the distribution cabinet body. The distribution cabinet of the utility model measures the temperature and humidity inside the distribution cabinet body through the temperature and humidity sensor, and sends the real-time temperature and humidity data to the intelligent temperature and humidity controller, and the intelligent temperature and humidity controller controls the opening and closing of the heater and the fan according to the temperature and humidity values ​​set by the distribution cabinet at that time, and adjusts the temperature and humidity inside the distribution cabinet body. However, the ventilation structure of the distribution cabinet is directly designed on the top of the distribution cabinet. When it is rainy and snowy, rainwater will enter the distribution cabinet from the ventilation structure, and the distribution cabinet is installed outdoors. When there is a foreign object blocking the main ventilation structure, the heat dissipation performance of the distribution cabinet will be reduced, thereby shortening the service life of the internal electronic components. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the ventilation structure of the existing distribution cabinet is directly designed on the top of the distribution cabinet. When it is rainy or snowy, rainwater will enter the inside of the distribution cabinet through the ventilation structure. Moreover, the distribution cabinet is installed outdoors. When foreign objects block the main ventilation structure, the heat dissipation performance of the distribution cabinet will be reduced, thereby shortening the service life of the internal electronic components. A temperature and humidity control structure for a high-voltage distribution cabinet is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a temperature and humidity control structure for a high-voltage distribution cabinet, including a distribution cabinet assembly, and a humidity control and ventilation assembly arranged inside the distribution cabinet assembly, the distribution cabinet assembly including a distribution cabinet body, a cabinet door movably connected to one side of the distribution cabinet body, a support leg is arranged at the lower end of the distribution cabinet body, the inner surface of the distribution cabinet body is movably connected to the control assembly, the lower end of the distribution cabinet body is movably connected to a temperature and humidity sensor (the temperature and humidity sensor model is YWSD70 / 100), a heater is arranged below the temperature and humidity sensor, a support plate is arranged below the heater, a support frame is arranged below the support plate, the lower end of the distribution cabinet body is movably connected to a filter screen, the ventilation assembly includes a sponge, a tray is arranged directly above the sponge, a desiccant is arranged at the upper end of the tray, a baffle is arranged directly above the tray, a fan is movably installed at the upper end of the baffle, and a shielding block is arranged directly above the fan.

[0006] Preferably, the lower end of the power distribution cabinet body is provided with an air inlet, and two groups of air inlets are provided and are symmetrically arranged;

[0007] It is used to facilitate the circulation of air in the distribution cabinet and the outside air.

[0008] Preferably, an observation window is provided on the cabinet door, a door handle is fixedly connected to one side of the cabinet door, and a door lock is provided under the door handle;

[0009] It is used to conveniently observe the internal conditions of the distribution cabinet and open or close the cabinet door.

[0010] Preferably, the legs are provided in four groups, the lower ends of the legs are fixedly connected to the mounting plate, and the mounting plate is provided with mounting holes;

[0011] It is used to keep the bottom of the distribution cabinet away from the ground, making it easier to install the distribution cabinet on the concrete floor.

[0012] Preferably, the support plate is provided with a plurality of groups of through holes;

[0013] It is used to facilitate air to pass through the support plate more conveniently and form circulation in the distribution cabinet.

[0014] Preferably, a guide rail groove is provided on the support frame, a guide rail is provided at the lower end of the tray, and the guide rail groove corresponds to the guide rail;

[0015] It is used to easily pull out the tray and replace the desiccant on the tray.

[0016] Preferably, the tray is provided with a plurality of through slots;

[0017] Used to increase the contact area between desiccant and humid air.

[0018] Preferably, the shielding blocks are provided in two groups, and a plurality of air outlets are provided on one side of the shielding blocks;

[0019] Used to discharge the heat generated in the power distribution cabinet from the air outlet.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The utility model proposes a temperature and humidity control structure for a high-voltage power distribution cabinet. By setting a humidity control ventilation component, the air entering from the air inlet first absorbs part of the moisture through the sponge and the desiccant. The shielding block is designed to be an irregular shape to avoid foreign objects blocking the exhaust port and affecting the heat dissipation effect.

[0022] 2. The utility model proposes a temperature and humidity control structure for a high-voltage distribution cabinet. By setting a distribution cabinet component, when the temperature and humidity sensor detects that the temperature and humidity in the distribution cabinet exceed the set value, the control assembly sends a command to start the heater or fan for processing until the temperature and humidity in the distribution cabinet are less than the set value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a temperature and humidity control structure for a high-voltage power distribution cabinet proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of a distribution cabinet assembly of a temperature and humidity control structure for a high-voltage distribution cabinet proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the overall structure of a humidity control and ventilation component of a temperature and humidity control structure for a high-voltage power distribution cabinet proposed by the utility model;

[0026] Figure 4 This is a schematic diagram of the overall structure of a shielding block of a temperature and humidity control structure for a high-voltage power distribution cabinet proposed by the utility model;

[0027] Figure 5 A cross-sectional schematic diagram of a shielding block of a temperature and humidity control structure for a high-voltage power distribution cabinet proposed by the utility model;

[0028] Figure 6 This is a schematic diagram of the overall structure of a leg of a temperature and humidity control structure for a high-voltage power distribution cabinet proposed by the utility model;

[0029] Legend:

[0030] 1. Power distribution cabinet components; 11. Power distribution cabinet body; 111. Air inlet; 12. Door; 121. Observation window; 122. Door handle; 123. Door lock; 13. Leg; 131. Mounting plate; 132. Mounting hole; 14. Control assembly; 15. Temperature and humidity sensor; 16. Heater; 17. Support plate; 171. Through hole; 18. Support frame; 181. Guide rail groove; 19. Filter; 2. Humidity control and ventilation components; 21. Sponge; 22. Tray; 221. Through groove; 222. Guide rail; 23. Desiccant; 24. Baffle; 25. Fan; 26. Blocking block; 261. Air outlet. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] Reference Figure 1-6The utility model provides an embodiment: a temperature and humidity control structure for a high-voltage power distribution cabinet, comprising a power distribution cabinet component 1, and a humidity control ventilation component 2 arranged inside the power distribution cabinet component 1, the power distribution cabinet component 1 comprises a power distribution cabinet body 11, a cabinet door 12 is movably connected to one side of the power distribution cabinet body 11, a support leg 13 is arranged at the lower end of the power distribution cabinet body 11 to keep the power distribution cabinet body 11 away from the moisture on the ground, the inner surface of the power distribution cabinet body 11 is movably connected to a control assembly 14 to control the switches of a heater 16 and a fan 25, the lower end of the power distribution cabinet body 11 is movably connected to a temperature and humidity sensor 15 to detect the temperature and humidity in the power distribution cabinet body 11, and a heater is arranged below the temperature and humidity sensor 15 16. The moisture in the distribution cabinet body 11 is removed by the principle of heating evaporation. A support plate 17 is arranged below the heater 16 to support the electronic devices in the distribution cabinet. A support frame 18 is arranged below the support plate 17 to place a tray 22. The lower end of the distribution cabinet body 11 is movably connected to a filter screen 19 to prevent some flying insects from entering the distribution cabinet body 11. The ventilation component 2 includes a sponge 21 to absorb part of the moisture in the air entering the distribution cabinet body 11. A tray 22 is arranged directly above the sponge 21. A desiccant 23 is arranged on the upper end of the tray 22. A baffle 24 is arranged directly above the tray 22. A fan 25 is movably installed on the upper end of the baffle 24. A shielding block 26 is arranged directly above the fan 25.

[0034] An air inlet 111 is provided at the lower end of the power distribution cabinet body 11. Two groups of air inlets 111 are provided and are symmetrically provided to facilitate the entry of outside air into the power distribution cabinet body 11. An observation window 121 is provided on the cabinet door 12 to facilitate observation of the operation status in the power distribution cabinet 11. A door handle 122 is fixedly connected to one side of the cabinet door 12 to facilitate opening or closing the cabinet door 12. A door lock 123 is provided below the door handle 122 to protect the valuable electronic components in the power distribution cabinet body 11. Four groups of legs 13 are provided, and the lower end of the legs 13 is fixedly connected to the mounting plate 131. The mounting plate 131 is provided with mounting holes 132 for convenient installation of the power distribution cabinet body 11; the support plate 17 is provided with multiple sets of through holes 171 for convenient air circulation; the support frame 18 is provided with guide rail grooves 181; the lower end of the tray 22 is provided with guide rails 222, and the guide rail grooves 181 correspond to the guide rails 222, so as to facilitate taking out the tray 22 and replacing the desiccant 23; the tray 22 is provided with multiple sets of through grooves 221 for increasing the contact area between the desiccant 23 and the air; two sets of shielding blocks 26 are provided, and multiple sets of air outlets 261 are provided on one side of the shielding block 26.

[0035] Working principle: First, open the cabinet door 12 through the door handle 122, check the status of the sponge 21, wring out the sponge when it is too wet, and replace it with a new desiccant. When the temperature and humidity sensor 15 detects that the temperature and humidity in the distribution cabinet body 11 exceed the set value, the control assembly 14 sends a signal to start the heater 16, and at the same time starts the fan 25 to perform ventilation and dehumidification operations. The moisture and the generated hot air are discharged from the upper air outlet 26, so that the temperature and humidity in the distribution cabinet body 11 are always less than the set value, ensuring that it is always in a suitable working environment.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperature and humidity control structure for a high-voltage power distribution cabinet, comprising a power distribution cabinet component (1), and a humidity control ventilation component (2) arranged inside the power distribution cabinet component (1), characterized in that: The power distribution cabinet assembly (1) comprises a power distribution cabinet body (11), a cabinet door (12) movably connected to one side of the power distribution cabinet body (11), a support leg (13) provided at the lower end of the power distribution cabinet body (11), a control assembly (14) movably connected to the inner surface of the power distribution cabinet body (11), a temperature and humidity sensor (15) movably connected to the lower end of the power distribution cabinet body (11), a heater (16) provided below the temperature and humidity sensor (15), and a support plate (16) provided below the heater (16). 7), a support frame (18) is arranged below the support plate (17), a filter screen (19) is movably connected to the lower end of the power distribution cabinet body (11), the ventilation component (2) comprises a sponge (21), a tray (22) is arranged directly above the sponge (21), a desiccant (23) is arranged at the upper end of the tray (22), a baffle (24) is arranged directly above the tray (22), a fan (25) is movably installed at the upper end of the baffle (24), and a shielding block (26) is arranged directly above the fan (25).

2. A temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1, characterized in that: The lower end of the power distribution cabinet body (11) is provided with air inlets (111), and two groups of air inlets (111) are provided and are symmetrically arranged.

3. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1 is characterized in that: An observation window (121) is provided on the cabinet door (12); a door handle (122) is fixedly connected to one side of the cabinet door (12); and a door lock (123) is provided below the door handle (122).

4. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1, characterized in that: The supporting legs (13) are provided in four groups, the lower ends of the supporting legs (13) are fixedly connected to the mounting plate (131), and the mounting plate (131) is provided with mounting holes (132).

5. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1 is characterized in that: The support plate (17) is provided with a plurality of groups of through holes (171).

6. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1 is characterized in that: The support frame (18) is provided with a guide rail groove (181), and the lower end of the tray (22) is provided with a guide rail (222), and the guide rail groove (181) corresponds to the guide rail (222).

7. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1, characterized in that: The tray (22) is provided with a plurality of through slots (221).

8. The temperature and humidity control structure for a high-voltage power distribution cabinet according to claim 1, characterized in that: The shielding blocks (26) are provided in two groups, and a plurality of groups of air outlets (261) are provided on one side of the shielding blocks (26).

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