Dehumidification and condensation removal device for box-type transformer

Abstract

The utility model discloses a dehumidification and condensation removal device for a box-type transformer. The dehumidification and condensation removal device comprises a device shell, a dehumidification drying unit, a water collecting tray, a drying air filtering plate, an air guide shutter, a shell connecting frame and an operation panel. An air inlet and an air outlet are formed in the device shell; the air inlet and the operation panel are arranged on the outer end face of the same side of the device shell. The air outlet is formed in the upper end face of the device shell. The air guide shutter is fixed at the air outlet; the water collecting tray, the dehumidifying and drying unit and the drying and air filtering plate are sequentially stacked in the device shell, a cooling fan is arranged on the dehumidifying and drying unit, and external air is introduced from the air outlet through the cooling fan, dehumidified and dried through the dehumidifying and drying unit and the drying and air filtering plate and then sent out from the air outlet.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power supply auxiliary equipment, and particularly relates to a dehumidification and decondensation device for a box-type transformer. Background Art

[0002] The box-type transformer is an organic combination of a transformer, a high-voltage voltage control device, and a low-voltage voltage control device. As a complete set of power distribution equipment, the box-type transformer has different air humidity in different regions. In coastal cities or areas with abundant water resources, the air humidity is high, and condensation forms on the top plate and side walls of the box-type transformer, affecting the safe use of the box-type transformer. Therefore, the box-type transformer needs to have moisture-proof and dehumidification functions, while also ensuring internal air fluidity. However, existing box-type transformers and old-style box-type transformers do not have this function, and traditional dehumidification dryers are not suitable for installation and use inside box-type transformers. Summary of the Invention

[0003] The object of the present invention is to solve the above problems and provide a dehumidification and decondensation device for a box-type transformer.

[0004] The dehumidification and condensation removal device for a box-type transformer comprises: a device shell, a dehumidification and drying unit, a water collecting tray, a drying filter plate, an air guide louver, a shell connecting frame, and an operation panel; the device shell is provided with: an air inlet and an air outlet; there are multiple air inlets, and the multiple air inlets are arranged in a horizontal array below the outer side surface of the device shell; the air outlet is arranged on the upper end surface of the device shell; the air guide louver 5 is fixed at the air outlet; the operation panel is arranged above the outer side surface of the device shell on the same side as the air outlet; the dehumidification and drying unit is arranged in the device shell, and the water collecting tray is arranged below the dehumidification and drying unit; the drying filter plate is arranged above the dehumidification and drying unit; the air guide louver is arranged above the drying filter plate; the shell connecting frame is sleeved on both side ends of the device shell; the device shell is fixed to the bottom of the inner side of the box-type transformer through the shell connecting frame; the operation panel is arranged on the outer side surface of the device shell; the air outlet is dehumidified and dried by the dehumidification and drying unit and the drying filter plate, and then the air is sent out from the outlet.

[0005] The device shell is also provided with a water collection chamber door and an air filter plate mounting slot; a water collection chamber is provided inside the device shell, and the water collection chamber door is hinged on one side of the water collection chamber; a support bar is provided at the bottom of the water collection chamber; the water collection tray is placed on the support bar; the air filter plate mounting slot is provided on the outer end face of the device shell on the same side as the water collection chamber door; a first fixed edge and a second fixed edge are also provided inside the device shell, the dehumidification and drying unit is fixed on the first fixed edge; the drying and air filter plate is fixed on the second fixed edge.

[0006] The dehumidification and drying unit includes: a condensing plate, a semiconductor refrigeration plate, heat collecting fins, and a heat dissipation fan; the condensing plate is a copper metal plate; the bottom end surface of the condensing plate is provided with condensing fins; a plurality of air ducts are symmetrically arranged on the condensing plate; the air ducts are connected from top to bottom; a plurality of semiconductor refrigeration plates are provided, and the plurality of semiconductor refrigeration plates are arranged between the air ducts; each semiconductor refrigeration plate is provided with a heat collecting fin and a heat dissipation fan; the cold end surface of the semiconductor refrigeration plate is attached to the upper end surface of the condensing plate; the lower end surface of the heat collecting fin is attached to the hot end surface of the semiconductor refrigeration plate; the heat dissipation fan is fixed to the heat collecting fin;

[0007] The upper end surface of the condensing plate is a smooth plane; the lower end surface of the heat collecting fin is a smooth plane.

[0008] The air outlet of the heat dissipation fan is lower than the air outlet of the air duct.

[0009] The lower end of the induced air duct is the induced air duct air inlet, and the upper end of the induced air duct is the induced air duct air outlet.

[0010] The diameter of the air inlet of the induced draft duct is larger than the diameter of the air outlet of the induced draft duct.

[0011] The upper and lower end surfaces of the drying and air filtering plate are provided with PP cotton nets; lithium chloride or lithium bromide particles are filled between the two layers of PP cotton nets.

[0012] The wind guide louver comprises: a louver frame, a wind guide vane, a vane gear, a linkage rack, and an electromagnetic push rod;

[0013] The shutter frame is a frame structure, and a connecting convex edge is provided on the outer side of the shutter frame; a plurality of air guide vanes are provided on the shutter frame, and the plurality of air guide vanes are arranged in a parallel array, and the two ends of the air guide vanes are axially connected to the shutter frame; a vane gear and a linkage rack are provided on the same side of the plurality of air guide vanes; the linkage rack is synchronously meshed with the plurality of vane gears for transmission; an electromagnetic push rod is provided at one end of the linkage rack; the electromagnetic push rod drives the plurality of air guide vanes to swing synchronously.

[0014] The device housing is also provided with a control mainboard and a temperature sensor. The control mainboard is electrically connected to the semiconductor refrigeration plate, the cooling fan, the electromagnetic push rod, the temperature sensor and the operation panel. The operation panel controls the start and stop of the semiconductor refrigeration plate, the cooling fan and the electromagnetic push rod.

[0015] The present technical solution provides a dehumidification and decondensation device for a box-type transformer, comprising: a device shell, a dehumidification and drying unit, a water collecting tray, a drying filter plate, air guide louvers, a shell connecting frame, and an operation panel; the device shell is provided with: an air inlet and an air outlet; the air inlet and the operation panel are arranged on the outer end surface of the same side of the device shell; the air outlet is arranged on the upper end surface of the device shell; the air guide louvers are fixed at the air outlet; the water collecting tray, the dehumidification and drying unit and the drying filter plate are stacked in sequence in the device shell, and a heat dissipation fan is provided on the dehumidification and drying unit, which introduces external air from the air outlet and dehumidifies and dries the air through the dehumidification and drying unit and the drying filter plate, and then sends the air out from the air outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front axial schematic diagram of a dehumidification and decondensation device for a box-type transformer according to the present invention;

[0017] Figure 2 This is a rear-view axial schematic diagram of a dehumidification and decondensation device for a box-type transformer according to the present invention;

[0018] Figure 3 This is a partial cross-sectional schematic diagram of a device housing of a dehumidification and decondensation device for a box-type transformer of the utility model;

[0019] Figure 4 This is a schematic cross-sectional view of the structure of a dehumidification and decondensation device for a box-type transformer of the utility model;

[0020] Figure 5 This is a schematic diagram of the axial side of a dehumidification and drying unit of a dehumidification and decondensation device for a box-type transformer of the utility model;

[0021] Figure 6 This is a cross-sectional view of a dehumidification and drying unit of a dehumidification and decondensation device for a box-type transformer of the utility model;

[0022] Figure 7 This is a schematic diagram of the air guide louver of a dehumidification and decondensation device for a box-type transformer of the utility model;

[0023] In the figure: 1. Device housing; 11. Air inlet; 12. Air outlet; 13. Water collection chamber door; 14. Air filter plate mounting slot; 15. Support bar; 16. First fixed edge; 17. Second fixed edge; 2. Dehumidification and drying unit; 21. Condensation plate; 211. Condensation plate slot; 212. Condensation fin; 213. Air duct; 2131. Air inlet of air duct; 2132. Air outlet of air duct; 22. Semiconductor refrigeration plate; 23. Heat collecting fin; 231. Locking rod; 24. Cooling fan; 3. Water collection tray; 4. Drying air filter plate; 5. Air guide louver; 51. Louver frame; 511. Connecting ridge; 52. Air guide vane; 53. Vane gear; 54. Linking rack; 55. Electromagnetic push rod; 6. Housing connecting frame; 7. Operation panel. DETAILED DESCRIPTION

[0024] The technical solution will be further clearly and completely described below in conjunction with the accompanying drawings of the technical solution. The described embodiments are only a part of the technical solution, not all embodiments. Based on the technical solution, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this utility model.

[0025] Example

[0026] See also Figures 1 to 7 As shown, a dehumidification and decondensation device for a box-type transformer includes: a device housing 1, a dehumidification and drying unit 2, a water collecting tray 3, a drying and air filter plate 4, an air guide louver 5, a housing connecting frame 6, and an operation panel 7;

[0027] The device housing 1 is a rectangular box, and the side of the device housing 1 is a square;

[0028] The device housing 1 is provided with: an air inlet 11, an air outlet 12, a water collection chamber door 13, and an air filter plate mounting slot 14; the air inlet 11 is circular; there are multiple air inlets 11, and the multiple air inlets 11 are arranged in a horizontal array below the outer side of the device housing 1; the air outlet 12 is rectangular and is provided on the upper end surface of the device housing 1; the air guide louver 5 is fixed at the air outlet 12;

[0029] The water collecting chamber door 13 and the air filter plate mounting notch 14 are provided on the outer end surface of the other side of the device housing 1 .

[0030] The dehumidification and drying unit 2 is arranged in the device shell 1, and the water collecting tray 3 is arranged below the dehumidification and drying unit 2; the drying air filter plate 4 is arranged above the dehumidification and drying unit 2; the air guide louver 5 is arranged above the drying air filter plate 4; the shell connecting frame 6 is sleeved on the two side ends of the device shell 1; the device shell 1 is fixed to the bottom of the inner side of the box-type transformer through the shell connecting frame 6; the operation panel 7 is arranged above the outer side surface of the device shell 1 on the same side as the air outlet 12; a water collecting chamber is provided inside the device shell 1, and the water collecting chamber door 13 is hinged on one side of the water collecting chamber; a support bar 15 is provided at the bottom of the water collecting chamber; and the water collecting tray 3 is placed on the support bar 15.

[0031] A first fixed clamping edge 16 and a second fixed clamping edge 17 are further provided in the device housing 1 .

[0032] The dehumidification and drying unit 2 includes: a condensation plate 21, a semiconductor refrigeration plate 22, a heat collecting fin 23, and a heat dissipation fan 24;

[0033] The condensation plate 21 is a copper metal sheet; condensation plate slots 211 are provided on both sides of the condensation plate 21; the condensation plate slots 211 are clamped on the first fixed clamping edge 16; the bottom end surface of the condensation plate 21 is provided with condensation fins 212; the upper end surface of the condensation plate 21 is a smooth plane; and a plurality of air ducts 213 are also provided on the condensation plate 21;

[0034] The induced air ducts 213 are arranged in a symmetrical array; the induced air ducts 213 are connected from top to bottom; the lower end of the induced air duct 213 is the induced air duct inlet 2131, and the upper end of the induced air duct 213 is the induced air duct outlet 2132; the diameter of the induced air duct inlet 2131 is larger than the diameter of the induced air duct outlet 2132;

[0035] The semiconductor refrigeration fins 22 are arranged between the air ducts 213; the cold end surface of the semiconductor refrigeration fins 22 is attached to the upper end surface of the condensing plate 21; the lower end surface of the heat collecting fins 23 is a smooth plane; the lower end surface of the heat collecting fins 23 is attached to the hot end surface of the semiconductor refrigeration fins 22; the heat collecting fins 23 are provided with locking rods 231; the locking rods 231 are fixed to the condensing plate 21; each heat collecting fin 23 is provided with at least one cooling fan 24; preferably, each heat collecting fin 23 is provided with two cooling fans 24;

[0036] There are multiple semiconductor refrigeration sheets 22, each of which is provided with heat collecting fins 23 and heat dissipation fans 24. The semiconductor refrigeration sheets 22 are ternary solid solution alloys based on bismuth telluride, and can be either P-type or N-type. P-type is Bi2Te3-Sb2Te3, and N-type is Bi2Te3-Bi2Se3.

[0037] The semiconductor refrigeration plate 22 keeps the temperature of the condensing plate 21 between 0-4 degrees;

[0038] The air outlet of the cooling fan 24 is equal to or slightly lower than the air outlet 2132 of the air duct.

[0039] The second fixed clamping edge 17 is a C-shaped clamp; the second fixed clamping edge 17 is provided on both sides of the interior of the device housing 1; the two second fixed clamping edges 17 correspond to the air filter plate mounting notches 14; the drying air filter plate 4 can be removed and replaced from the air filter plate mounting notches 14; the drying air filter plate 4 is installed in the device housing 1, with its ends clamped on the second fixed clamping edges 17;

[0040] The upper and lower end surfaces of the drying and air filtering plate 4 are provided with PP cotton mesh; lithium chloride or lithium bromide particles are filled between the two layers of PP cotton mesh.

[0041] The wind guide louver 5 comprises: a louver frame 51, a wind guide vane 52, a vane gear 53, a linkage rack 54, and an electromagnetic push rod 55;

[0042] The shutter frame 51 is a frame structure, and a connecting flange 511 is provided on the outer side of the shutter frame 51; a plurality of air guide vanes 52 are provided on the shutter frame 51, and the plurality of air guide vanes 52 are arranged in a parallel array, and the two ends of the air guide vanes 52 are axially connected to the shutter frame 51; a vane gear 53 and a linkage rack 54 are provided on the same side of the plurality of air guide vanes 52; a linkage rack 54 is provided, and a linkage rack 54 is simultaneously engaged with the vane gears 53 on the plurality of air guide vanes 52 for transmission; an electromagnetic push rod 55 is provided at one end of the linkage rack 54; that is, the electromagnetic push rod 55 pushes the linkage rack 54 to move back and forth in a straight line; the linkage rack 54 drives the vanes of the air guide vanes 52 to swing.

[0043] The device housing 1 is also provided with a control mainboard and a temperature sensor, and the detection head of the temperature sensor is fixed on the condensing plate 21; the control mainboard is electrically connected to the semiconductor refrigeration plate 22, the cooling fan 24, the electromagnetic push rod 55, the temperature sensor and the operation panel 7, and the operation panel 7 controls the start and stop of the semiconductor refrigeration plate 22, the cooling fan 24 and the electromagnetic push rod 55.

[0044] How it works

[0045] The dehumidification and decondensation device for box-type transformers described in this technical solution mainly dehumidifies and dries through the dehumidification and drying unit 2 and the drying filter plate 4. It controls the semiconductor refrigeration plate 22, the heat dissipation fan 24 and the electromagnetic push rod 55 through the operation panel 7. The heat dissipation fan 24 blows air to the drying filter plate 4; when the heat dissipation fan 24 blows air upward, the air outlet 2132 of the air duct generates a negative pressure; the generated negative pressure can introduce the external air of the device housing 1 from the air outlet 12; the semiconductor refrigeration plate 22 keeps the temperature of the condensation plate 21 at The temperature is between 0 and 4 degrees. After the outside air enters, the condensed water vapor adheres to the condensing fins 212 and falls into the water collecting tray 3 after being gathered. The air is then blown upward from the induced draft duct 213. The hot air blown out by the cooling fan 24 heats the air blown upward from the induced draft duct 213, and the warm air is further dried by the lithium chloride or lithium bromide particles in the drying filter plate 4. The dried air is blown out from the air guide louver 5, and the air guide vanes 52 on the air guide louver 5 swing back and forth to generate flowing dry gas in the box-type transformer.

Claims

1. A dehumidification and decondensation device for a box-type transformer, comprising: Device shell (1), dehumidification and drying unit (2), water collecting tray (3), drying air filter plate (4), air guide louver (5), shell connecting frame (6), operation panel (7); characterized in that: the device shell (1) is provided with: an air inlet (11), an air outlet (12); a plurality of air inlets (11) are provided, and the plurality of air inlets (11) are arranged in a horizontal array below the outer side surface of the device shell (1); the air outlet (12) is arranged on the upper end surface of the device shell (1); the air guide louver (5) is fixed at the air outlet (12); the dehumidification and drying unit (2) is arranged in the device shell (1), the water collecting tray (3) is arranged on the dehumidification and drying unit The dehumidifying and drying unit (2) is provided below the dehumidifying and drying unit (2); the drying and filtering plate (4) is provided above the drying and filtering plate (4); the wind guide louvers (5) are provided above the drying and filtering plate (4); the housing connecting frame (6) is sleeved on both side ends of the device housing (1); the device housing (1) is fixed to the bottom of the inner side of the box-type transformer through the housing connecting frame (6); the operation panel (7) is provided on the outer side of the device housing (1); the dehumidifying and drying unit (2) is provided with a heat dissipation fan (24), and the heat dissipation fan (24) introduces the external air of the device housing (1) from the air outlet (12) and sends the air out from the air outlet (12) after dehumidification and drying through the dehumidifying and drying unit (2) and the drying and filtering plate (4).

2. The dehumidification and decondensation device for a box-type transformer according to claim 1, characterized in that: The device housing (1) is further provided with a water collecting chamber door (13) and an air filter plate mounting notch (14); a water collecting chamber is provided inside the device housing (1), and the water collecting chamber door (13) is hinged on one side of the water collecting chamber; a support bar (15) is provided at the bottom of the water collecting chamber; the water collecting tray (3) is placed on the support bar (15); the air filter plate mounting notch (14) is provided on the outer end face of the device housing (1) on the same side as the water collecting chamber door (13); a first fixed edge (16) and a second fixed edge (17) are further provided inside the device housing (1), the dehumidifying and drying unit (2) is fixed on the first fixed edge (16); and the drying and air filter plate (4) is fixed on the second fixed edge (17).

3. The dehumidification and decondensation device for a box-type transformer according to claim 2, characterized in that: The dehumidifying and drying unit (2) comprises: a condensing plate (21), a semiconductor cooling plate (22), a heat collecting fin (23), and a heat dissipation fan (24); the condensing plate (21) is a copper metal plate; the bottom end surface of the condensing plate (21) is provided with a condensing fin (212); a plurality of air ducts (213) are symmetrically arranged on the condensing plate (21); the air duct (213) is connected from top to bottom; a plurality of semiconductor cooling plates (22) are provided, and the plurality of semiconductor cooling plates (22) are arranged between the air ducts (213); each semiconductor cooling plate (22) is provided with a heat collecting fin (23) and a heat dissipation fan (24); the cold end surface of the semiconductor cooling plate (22) is attached to the upper end surface of the condensing plate (21); the lower end surface of the heat collecting fin (23) is attached to the hot end surface of the semiconductor cooling plate (22); and the heat dissipation fan (24) is fixed on the heat collecting fin (23).

4. The dehumidification and decondensation device for a box-type transformer according to claim 3, characterized in that: The upper end surface of the condensation plate (21) is a smooth plane; the lower end surface of the heat collecting fin (23) is a smooth plane.

5. The dehumidification and decondensation device for a box-type transformer according to claim 4, characterized in that: The air outlet of the heat dissipation fan (24) is lower than the air outlet (2132) of the air duct.

6. The dehumidification and decondensation device for box-type transformer according to claim 5, characterized in that: The lower end of the induced air duct (213) is an induced air duct air inlet (2131), and the upper end of the induced air duct (213) is an induced air duct air outlet (2132); the diameter of the induced air duct air inlet (2131) is larger than the diameter of the induced air duct air outlet (2132).

7. The dehumidification and decondensation device for a box-type transformer according to claim 6, characterized in that: The upper and lower end surfaces of the drying and air filtering plate (4) are provided with PP cotton mesh; lithium chloride or lithium bromide particles are filled between the two layers of PP cotton mesh.

8. The dehumidification and decondensation device for a box-type transformer according to claim 7, characterized in that: The wind guide louver (5) comprises: a louver frame (51), a wind guide vane (52), a vane gear (53), a linkage rack (54), and an electromagnetic push rod (55); the louver frame (51) is a frame structure; a plurality of wind guide vanes (52) are provided on the louver frame (51), the plurality of wind guide vanes (52) are arranged in a parallel array, and the two ends of the wind guide vanes (52) are axially connected to the louver frame (51); a vane gear (53) and a linkage rack (54) are provided on the same side of the plurality of wind guide vanes (52); the linkage rack (54) and the plurality of vane gears (53) are synchronously meshed and transmitted; the electromagnetic push rod (55) is provided at one end of the linkage rack (54); the electromagnetic push rod (55) drives the plurality of wind guide vanes (52) to swing synchronously.

9. The dehumidification and decondensation device for a box-type transformer according to claim 8, characterized in that: A control mainboard and a temperature sensor are also provided in the device housing (1). The control mainboard is electrically connected to the semiconductor cooling plate (22), the cooling fan (24), the electromagnetic push rod (55), the temperature sensor and the operation panel (7). The operation panel (7) controls the start and stop of the semiconductor cooling plate (22), the cooling fan (24) and the electromagnetic push rod (55).

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