CN210430596U - Maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment - Google Patents
Maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment Download PDFInfo
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- CN210430596U CN210430596U CN201921840206.XU CN201921840206U CN210430596U CN 210430596 U CN210430596 U CN 210430596U CN 201921840206 U CN201921840206 U CN 201921840206U CN 210430596 U CN210430596 U CN 210430596U
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Abstract
The utility model discloses a maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment, belonging to the technical field of maintenance of low-voltage electrical equipment, comprising an electrical equipment box, a maintenance box, an air inlet plate and an air outlet plate, wherein the maintenance box is arranged on the right side of the electrical equipment box; an air inlet plate is arranged inside the electrical equipment box, and an air outlet plate is arranged inside the electrical equipment box; an air inlet machine is arranged on the right side wall of the maintenance box, and an exhaust fan is arranged below the air inlet machine. The utility model discloses set up the environment of the constant temperature and humidity of independent maintenance case to the electrical equipment incasement and maintain, only air inlet plate, play aerofoil need install in the electrical equipment case among the whole maintenance system to and miniature temperature sensor, humidity transducer and controller, all the other structures are independent of the electrical equipment case, make the electrical equipment case that the maintenance case can cooperate multiple not isostructure, and it is all comparatively convenient to the installation and the dismantlement of maintaining the case.
Description
Technical Field
The utility model belongs to the technical field of the maintenance of low pressure electrical equipment, specifically a can maintain constant humidity homothermal maintenance device of low pressure electrical equipment.
Background
Electrical equipment used in the class of 250V and below is collectively referred to as low voltage electrical equipment, which is widely used in power distribution, electrical transmission, and automatic control equipment of low voltage systems of power plants. Low-voltage electrical equipment often installs and uses in box switch board, because equipment is concentrated in the box switch board, the space is little to electrical equipment can produce a large amount of heats at the operation in-process, and these heats are difficult to give off, lead to the temperature in the switch board constantly to rise, influence electrical equipment's use. In addition, because box switch board generally installs in the open air, when the difference in temperature is great round the clock, easily accumulate moisture in the box, moist air can influence electrical equipment's stability.
In the prior art, to box transformer cabinet cooling dehumidification, generally with inside the whole gomphosis of cooling dehumidification system installed the switch board, the installation is very loaded down with trivial details, moreover in the future to the maintenance and the change of spare part all very difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can maintain constant temperature and constant humidity's of low pressure electrical equipment maintenance device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment comprises an electrical equipment box, a maintenance box, an air inlet plate, an air outlet plate, an air inlet fan, an exhaust fan, a first coiled pipe and a second coiled pipe, wherein the maintenance box is arranged on the right side of the electrical equipment box, a first rain shield is fixed at the top end of the electrical equipment box through a support, and a second rain shield is fixed at the top end of the maintenance box through a support; an air inlet plate is arranged inside the electrical equipment box, the air inlet plate is arranged at a position close to the top in the electrical equipment box, the right end of the air inlet plate is connected with the left end of the air inlet pipe, an air outlet plate is arranged inside the electrical equipment box, the air outlet plate is arranged at a position close to the bottom in the electrical equipment box, and the right end of the air outlet plate is connected with the left end of the air outlet pipe; an air inlet machine is arranged on the right side wall of the maintenance box, a first dust cover is arranged on the right side of the air inlet machine, an exhaust fan is arranged below the air inlet machine, and a second dust cover is arranged on the right side of the exhaust fan.
As a further aspect of the present invention: the maintenance box is characterized in that a sealing door is arranged on the front side wall of the maintenance box, a partition plate is arranged inside the maintenance box, an air inlet plate is communicated with a cavity above the partition plate through an air inlet pipe, a drying box is arranged at the position where the air inlet pipe is connected with the maintenance box, and an air outlet plate is communicated with the cavity below the partition plate through an air outlet pipe.
As a further aspect of the present invention: the rear side wall of the maintenance box is provided with a plurality of first heat conduction fins and second heat conduction fins which are arranged at equal intervals, the first heat conduction fins are arranged in a cavity above the partition plate, the second heat conduction fins are arranged in a cavity below the partition plate, first coiled pipes are inserted among the first heat conduction fins, the left ends of the first coiled pipes are connected with the compressor, the right ends of the first coiled pipes penetrate through the partition plate and are connected with the right ends of the second coiled pipes, the left ends of the second coiled pipes penetrate through the partition plate and are connected with the compressor, the second coiled pipes are inserted among the second heat conduction fins, and throttle valves are arranged at positions where the right ends of the first coiled pipes are connected with the right ends of the second coiled pipes; and the rear side wall of the maintenance box is provided with water leakage holes which are arranged above the partition plate.
As a further aspect of the present invention: temperature sensor, humidity transducer and controller on the lateral wall of electrical equipment case, temperature sensor and humidity transducer all are connected with the controller through the wire, and the controller passes through the wire and is connected with air inlet fan, exhaust fan and compressor.
As a further aspect of the present invention: the air inlet plate is a hollow plate, and a plurality of air inlet holes are uniformly distributed on the lower surface of the air inlet plate.
As a further aspect of the present invention: the air outlet plate is a hollow plate, and the upper surface of the air outlet plate is provided with an air collecting cover.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses set up independent maintenance box and maintain the constant temperature and humidity environment in the electrical equipment box, only air inlet plate, play aerofoil need install in the electrical equipment box in the whole maintenance system to and miniature temperature sensor, humidity transducer and controller, the other structures are all independent from the electrical equipment box, make the maintenance box can cooperate the electrical equipment box of multiple different structures, and it is all comparatively convenient to maintain the installation and dismantlement of case; the utility model is provided with the air inlet plate and the air outlet plate to form air flow from top to bottom in the electrical equipment box, and cool and ventilate the interior of the electrical equipment box, so that the electrical equipment box keeps a constant temperature and humidity state; the utility model discloses set up first coiled pipe and second coiled pipe, first coiled pipe uses as the evaporimeter, and the second coiled pipe uses as the condenser, constitutes air conditioning system and cools down to electrical equipment incasement portion.
Drawings
Fig. 1 is a schematic perspective view of a maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment.
Fig. 2 is a front sectional view of a maintenance device capable of maintaining a constant humidity and temperature of low-voltage electrical equipment.
Fig. 3 is a schematic view of the internal structure of a maintenance box in a maintenance device capable of maintaining a constant humidity and temperature of low-voltage electrical equipment.
Fig. 4 is a schematic perspective view of an air inlet plate in a maintenance device capable of maintaining a constant humidity and a constant temperature of a low-voltage electrical device.
Fig. 5 is a schematic perspective view of an air outlet plate in a maintenance device capable of maintaining a constant humidity and a constant temperature of a low-voltage electrical device.
In the figure: 1. an electrical equipment box; 2. a first rain shield; 3. a maintenance box; 31. a sealing door; 32. a partition plate; 4. a second rain shield; 5. an air inlet plate; 51. an air inlet hole; 6. an air inlet pipe; 7. an air outlet plate; 71. a wind collecting cover; 8. an air outlet pipe; 9. a temperature sensor; 10. a humidity sensor; 11. a controller; 12. an air inlet machine; 13. a first dust cover; 14. an exhaust fan; 15. a second dust cover; 16. drying the box; 17. a compressor; 18. a first serpentine tube; 19. a first heat-conducting fin; 20. a second serpentine tube; 21. a second heat-conducting fin; 22. a throttle valve; 23. and (4) water leakage holes.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1 and 2, a maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment comprises an electrical equipment box 1, a maintenance box 3, an air inlet plate 5, an air outlet plate 7, an air inlet machine 12, an exhaust fan 14, a first coiled pipe 18 and a second coiled pipe 20, wherein the maintenance box 3 is arranged on the right side of the electrical equipment box 1, the low-voltage electrical equipment is arranged in the electrical equipment box 1, a first rain shield 2 is fixed at the top end of the electrical equipment box 1 through a support, a second rain shield 4 is fixed at the top end of the maintenance box 3 through a support, and supporting legs are arranged at the bottom ends of the electrical equipment box 1 and the maintenance box 3; the inside of electrical equipment box 1 is equipped with air inlet plate 5, and air inlet plate 5 sets up the position that is close to the top in electrical equipment box 1, and the right-hand member of air inlet plate 5 is connected with the left end of air-supply line 6, and electrical equipment box 1's inside is equipped with out tuber plate 7, goes out the position that tuber plate 7 set up to be close to the bottom in electrical equipment box 1, and the right-hand member that goes out tuber plate 7 is connected with the left end that goes out tuber pipe 8.
The maintenance box is characterized in that a sealing door 31 is arranged on the front side wall of the maintenance box 3, devices in the maintenance box 3 can be maintained and renovated by opening the sealing door 31, a partition plate 32 is arranged in the maintenance box 3, the maintenance box 3 is divided into an upper cavity and a lower cavity by the partition plate 32, an asbestos interlayer with good heat insulation effect is arranged in the partition plate 32, the air inlet plate 5 is communicated with the upper cavity of the partition plate 32 through an air inlet pipe 6, a drying box 16 is arranged at the position where the air inlet pipe 6 is connected with the maintenance box 3, anhydrous calcium chloride is arranged in the drying box 16 and serves as a drying agent, the drying box 16 needs to be replaced periodically, and the air outlet plate 7 is communicated with the lower cavity of the partition plate 32 through an; the right side wall of the maintenance box 3 is provided with an air inlet fan 12, the right side of the air inlet fan 12 is provided with a first dustproof cover 13, an exhaust fan 14 is arranged below the air inlet fan 12, and the right side of the exhaust fan 14 is provided with a second dustproof cover 15.
As shown in fig. 3, a plurality of first heat conducting fins 19 and second heat conducting fins 21 arranged at equal intervals are arranged on the rear side wall of the maintenance box 3, the first heat conducting fins 19 are arranged in a cavity above the partition plate 32, the second heat conducting fins 21 are arranged in a cavity below the partition plate 32, first serpentine tubes 18 are inserted between the first heat conducting fins 19, refrigerants are injected into the first serpentine tubes 18, the left ends of the first serpentine tubes 18 are connected with the compressor 17, the compressor 17 is arranged on the upper surface of the partition plate 32, the right ends of the first serpentine tubes 18 penetrate through the partition plate 32 and are connected with the right ends of the second serpentine tubes 20, the left ends of the second serpentine tubes 20 penetrate through the partition plate 32 and are connected with the compressor 17, the second serpentine tubes 20 are inserted between the second heat conducting fins 21, and throttle valves 22 are arranged at positions where the right ends of the first serpentine tubes 18 are connected with the right ends of the second serpentine tubes 20; the rear side wall of the maintenance box 3 is provided with a water leakage hole 23, the water leakage hole 23 is arranged above the partition plate 32, and the water leakage hole 23 can discharge condensed water.
Temperature sensor 9, humidity transducer 10 and controller 11 on the lateral wall of electrical equipment box 1, temperature sensor 9 and humidity transducer 10 all are connected with controller 11 through the wire, and controller 11 is connected with air inlet machine 12, exhaust fan 14 and compressor 17 through the wire, and whether controller 11 can control air inlet machine 12, exhaust fan 14 and compressor 17 and operate.
As shown in fig. 4 and 5, the air inlet plate 5 is a hollow plate, a plurality of air inlet holes 51 are uniformly distributed on the lower surface of the air inlet plate 5, the air inlet holes 51 are provided with air inlet pipes 6, air entering the air inlet plate 5 can uniformly flow downwards through the air inlet holes 51, and the air inlet holes 51 limit the flow of the air, so that the flow rate of the air is increased; the air outlet plate 7 is a hollow plate, the air collecting cover 71 is arranged on the upper surface of the air outlet plate 7, and the air in the electrical equipment box 1 can enter the air outlet plate 7 as much as possible due to the arrangement of the air collecting cover 71.
In the use process of the utility model, firstly, the temperature range and the humidity range in the electrical equipment box 1 are preset through the controller 11, when the temperature sensor 9 detects that the temperature in the electrical equipment box 1 exceeds the preset temperature value, the air inlet fan 12 and the exhaust fan 14 are started, so that the air inlet plate 5 and the air outlet plate 7 are matched to form top-down airflow inside the electrical equipment box 1, the low-voltage electrical equipment in the electrical equipment box 1 is cooled by heat dissipation until the temperature in the electrical equipment box 1 is reduced below the preset value; when the humidity sensor 10 detects that the humidity in the electrical equipment box 1 exceeds a preset humidity value, the air inlet fan 12 and the air outlet fan 14 are started, so that the air inlet plate 5 and the air outlet plate 7 are matched in the electrical equipment box 1 to form air flow from top to bottom, the humid air in the electrical equipment box 1 is replaced, and due to the existence of the drying box 16, the air blown into the electrical equipment box 1 can maintain the dry environment in the electrical equipment box 1.
In hot summer, the outside air temperature is high, the operation of the air inlet machine 12 and the exhaust fan 14 is difficult to reduce the temperature in the electrical equipment box 1 to be below a preset value, at the moment, the compressor 17 is started, at the moment, the compressor 17, the first coil pipe 18, the second coil pipe 20 and the throttle valve 22 form an air conditioning system, wherein the first coil pipe 18 serves as an evaporator in the air conditioning system, the second coil pipe 20 serves as a condenser in the air conditioning system, the first coil pipe 18 is matched with the first heat-conducting fins 19 to absorb heat in a cavity above the partition plate 32, the temperature of airflow blown into the electrical equipment box 1 by the air inlet machine 12 is reduced, the second coil pipe 20 dissipates the heat through the second heat-conducting fins 21, and the exhaust fan 14 can blow out airflow mixed with a large amount of heat to finish cooling the interior of the electrical equipment box 1.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. A maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment comprises an electrical equipment box (1), a maintenance box (3), an air inlet plate (5), an air outlet plate (7), an air inlet machine (12), an exhaust fan (14), a first coiled pipe (18) and a second coiled pipe (20), and is characterized in that the maintenance box (3) is arranged on the right side of the electrical equipment box (1), a first rain shield (2) is fixed at the top end of the electrical equipment box (1) through a support, and a second rain shield (4) is fixed at the top end of the maintenance box (3) through a support; an air inlet plate (5) is arranged inside the electrical equipment box (1), the air inlet plate (5) is arranged in the electrical equipment box (1) and close to the top, the right end of the air inlet plate (5) is connected with the left end of an air inlet pipe (6), an air outlet plate (7) is arranged inside the electrical equipment box (1), the air outlet plate (7) is arranged in the electrical equipment box (1) and close to the bottom, and the right end of the air outlet plate (7) is connected with the left end of an air outlet pipe (8); the maintenance box is characterized in that an air inlet fan (12) is arranged on the right side wall of the maintenance box (3), a first dust cover (13) is arranged on the right side of the air inlet fan (12), an exhaust fan (14) is arranged below the air inlet fan (12), and a second dust cover (15) is arranged on the right side of the exhaust fan (14).
2. The maintenance device capable of maintaining constant humidity and constant temperature of the low-voltage electrical equipment according to claim 1, characterized in that a sealing door (31) is arranged on the front side wall of the maintenance box (3), a partition plate (32) is arranged inside the maintenance box (3), the air inlet plate (5) is communicated with the upper chamber of the partition plate (32) through the air inlet pipe (6), a drying box (16) is arranged at the position where the air inlet pipe (6) is connected with the maintenance box (3), and the air outlet plate (7) is communicated with the lower chamber of the partition plate (32) through the air outlet pipe (8).
3. The maintenance device capable of maintaining constant humidity and temperature of low-voltage electrical equipment according to claim 1, wherein the rear side wall of the maintenance box (3) is provided with a plurality of first heat conduction fins (19) and second heat conduction fins (21) which are arranged at equal intervals, the first heat conduction fins (19) are arranged in an upper chamber of the partition plate (32), the second heat conduction fins (21) are arranged in a lower chamber of the partition plate (32), the first serpentine tube (18) is inserted between the first heat conduction fins (19), the left end of the first serpentine tube (18) is connected with the compressor (17), the right end of the first serpentine tube (18) passes through the partition plate (32) and is connected with the right end of the second serpentine tube (20), the left end of the second serpentine tube (20) passes through the partition plate (32) and is connected with the compressor (17), the second serpentine tube (20) is inserted between the second heat conduction fins (21), a throttle valve (22) is arranged at the position where the right end of the first coiled pipe (18) is connected with the right end of the second coiled pipe (20); a water leakage hole (23) is formed in the rear side wall of the maintenance box (3), and the water leakage hole (23) is formed in the upper portion of the partition plate (32).
4. The maintenance device capable of maintaining constant humidity and temperature of low-voltage electrical equipment according to claim 1, wherein the side wall of the electrical equipment box (1) is provided with a temperature sensor (9), a humidity sensor (10) and a controller (11), the temperature sensor (9) and the humidity sensor (10) are connected with the controller (11) through wires, and the controller (11) is connected with the air inlet fan (12), the exhaust fan (14) and the compressor (17) through wires.
5. The maintenance device capable of maintaining constant humidity and temperature of low-voltage electrical equipment according to claim 1, wherein the air inlet plate (5) is a hollow plate, and a plurality of air inlet holes (51) are uniformly distributed on the lower surface of the air inlet plate (5).
6. The maintenance device capable of maintaining constant humidity and temperature of low-voltage electrical equipment according to claim 1, wherein the air outlet plate (7) is a hollow plate, and an air collecting cover (71) is arranged on the upper surface of the air outlet plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840206.XU CN210430596U (en) | 2019-10-30 | 2019-10-30 | Maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840206.XU CN210430596U (en) | 2019-10-30 | 2019-10-30 | Maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210430596U true CN210430596U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921840206.XU Active CN210430596U (en) | 2019-10-30 | 2019-10-30 | Maintenance device capable of maintaining constant humidity and constant temperature of low-voltage electrical equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653962A (en) * | 2020-06-23 | 2020-09-11 | 桐乡宏晨工业设计有限公司 | Constant-temperature dehumidifying power distribution cabinet |
| CN112332272A (en) * | 2020-10-23 | 2021-02-05 | 刘呆红 | Intelligent temperature control power distribution cabinet |
-
2019
- 2019-10-30 CN CN201921840206.XU patent/CN210430596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653962A (en) * | 2020-06-23 | 2020-09-11 | 桐乡宏晨工业设计有限公司 | Constant-temperature dehumidifying power distribution cabinet |
| CN112332272A (en) * | 2020-10-23 | 2021-02-05 | 刘呆红 | Intelligent temperature control power distribution cabinet |
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