Buried box-type high-voltage transformer substation

By designing movable louvers and filtering components in underground box-type high-voltage substations, the protection problem of ventilation structure in rainy and snowy weather is solved, and flexible ventilation control and adaptive protection of equipment are achieved.

CN120389306AInactive Publication Date: 2025-07-29ZHEJIANG LONGSHENG ELECTRIC CO LTD
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Patent Information

Application Number
CN202510545599.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2025-07-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing underground box substation is prone to rainwater and insects in ventilation positions during rainfall, and the louver structure is not convenient to be adjusted according to ventilation needs, affecting the moisture-proof and heat dissipation effect of the equipment.

Method used

An underground box-type high-voltage substation is designed, using movable louvers and filtering components in the breathable shell. The control components realize synchronous adjustment of the louvers and self-cleaning with the blower maintenance components to ensure effective ventilation and protection under different weather conditions.

Benefits of technology

It realizes flexible control of ventilation windows under different weather conditions, prevents rainwater and dust from entering, while maintaining good air exchange and equipment protection, improving the adaptability and convenience of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of underground transformer substations, in particular to an underground box-type high-voltage transformer substation which comprises a landscape housing, a filtering assembly and an air blowing maintenance assembly, a ventilation housing is welded to the lower end of the landscape housing, an underground housing is installed at the lower end of the ventilation housing, and the underground housing is buried underground. The movable shutters in the multiple ventilation windows are synchronously adjusted and controlled at the positions of the ventilation windows of the ventilation cover shell through movable control cooperation of the adjusting and controlling assembly and the filtering assembly, when large-flux air exchange is needed, the movable shutters can be adjusted to be horizontal, and in rainy and snowy weather, the movable shutters can be turned over to be pressed and closed, and the positions of the ventilation windows are blocked; meanwhile, the filtering assembly can prevent mosquitoes and dust from entering in daily use, internal electric appliances are protected under the condition that air exchange heat dissipation and dehumidification are not affected, in addition, the air blowing maintenance assembly can conduct self-cleaning on the filtering assembly, good self-adaptive use is kept, and the air conditioner is worry-saving and convenient to use.
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Description

Technical Field

[0001] The present invention relates to the technical field of underground substations, and specifically to a buried box-type high-voltage substation. Background Technique

[0002] An underground substation refers to a device that completely buries a traditional box transformer or a semi-underground box transformer underground. When it is semi-underground, the box transformer is also called an advertising landscape-type underground transformer. Part of this type of underground substation is buried underground and part is exposed on the ground, which is convenient for later operators to carry out maintenance and repair;

[0003] The invention disclosed in the existing publication number CN111834948B discloses a buried box-type substation, which relates to the technical field of substations and aims to improve the problem that the buried box-type substation in the related art is inconvenient to repair in rainy weather. It includes an outer box body, and a maintenance well is arranged on the top wall of the outer box body. A sealing door is arranged on the maintenance well. A convex well is surrounded on the outer box body around the maintenance well. A pressure-bearing well cover is arranged on the convex well. The pressure-bearing well cover includes a bearing plate and a rain shield. One side of the bearing plate is hinged to the convex well, and the other side is hinged to the rain shield. When the bearing plate covers the convex well, the rain shield is arranged between the bearing plate and the convex well. A first drain pipe is arranged on the outer box body between the convex well and the maintenance well. The water outlet of the first drain pipe is connected with a drainage component. Since part of the box body of the underground high-voltage substation is buried underground, in order to avoid internal moisture and overheating, a ventilation section is arranged between the upper and lower parts of the box body. The ventilation section mostly uses inclined-welded louvers to block rainwater. However, the fixedly arranged louver structure is not convenient to adjust according to ventilation needs, and in bad weather such as strong wind, rain, snow, etc., rainwater and insects are still likely to enter the ventilation position, which is inconvenient to use. Summary of the Invention

[0004] The purpose of the present invention is to provide a buried box-type high-voltage substation to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A buried box-type high-voltage substation, comprising:

[0006] A landscape housing, the lower end of the landscape housing is welded with a breathable housing, the lower end of the breathable housing is installed with a buried housing, the buried housing is buried underground, an annular inner cavity is opened in the breathable housing, and a plurality of ventilation windows are penetrated through one side of the annular inner cavity. A plurality of movable louvers are rotatably arranged in the ventilation windows through a control component, and the control component includes a synchronous control rod and a control screw;

[0007] A filtering component, the filtering component is arranged in the annular inner cavity, the filtering component includes a filter belt and a plurality of guiding rollers, and the upper ends of a plurality of control screws are respectively connected to the lower ends of some of the guiding rollers;

[0008] A blowing maintenance component is provided inside the breathable housing. The blowing maintenance component includes a first annular air groove and a second annular air groove. The first annular air groove and the second annular air groove are connected and communicated. A number of turbulence holes are opened in the second annular air groove and communicated with the annular inner cavity.

[0009] Preferably, an adjustment groove is opened between two adjacent ventilation windows inside the breathable housing. A self-rotating shaft is provided at the center of one side of a number of movable louvers. The two sides of the self-rotating shaft are respectively rotatably inserted into the adjustment grooves on both sides. One end of the self-rotating shaft placed inside the adjustment groove is sleeved with a dial gear.

[0010] Preferably, control grooves are opened directly below the dial gears inside the breathable housing. A control screw is vertically rotatably provided on one side inside the control groove through a bearing and a conductive slip ring. The synchronous control rod is arranged in an L-shaped structure. The horizontal section of the synchronous control rod is placed inside the control groove and is sleeved with the control screw through a thread.

[0011] Preferably, the vertical section of the synchronous control rod is vertically and movably inserted into the self-rotating shaft. A number of dial teeth are provided on one side of the synchronous control rod placed inside the self-rotating shaft. And one side of a number of dial gears inside the self-rotating shaft is respectively meshed and connected with the dial teeth.

[0012] Preferably, a number of guiding rollers are vertically rotatably provided inside the annular inner cavity through bearings. The lower end of the guiding roller located above the control groove is inserted into the control groove and is provided with a metal plate. An electromagnetic chuck is horizontally provided at the upper end of the control screw. And the electromagnetic chuck is in contact with the metal plate.

[0013] Preferably, a jacking groove is opened on one side of the control groove away from the synchronous control rod. The first annular air groove is opened directly above the jacking groove inside the breathable housing. The second annular air groove is opened directly above the first annular air groove. A number of blocking grooves are communicated between the first annular air groove and the second annular air groove. The number of blocking grooves are respectively located directly above the jacking groove.

[0014] Preferably, a sealing guide groove is communicated with the lower end of the first annular air groove and the jacking groove. A spring groove is opened at the lower end of the sealing guide groove. A sealing guide rod is vertically and movably inserted into the sealing guide groove. A pressing plate is horizontally provided on the sealing guide rod located inside the spring groove. And a downward pressing spring is sleeved on one side of the sealing guide rod located inside the spring groove.

[0015] Preferably, a pushing plate is horizontally provided on the horizontal section of the synchronous control rod on one side of the jacking groove. A blocking block is horizontally provided on the sealing guide rod located inside the first annular air groove. When the synchronous control rod is lifted to the maximum extent, the pushing plate pushes the pressing plate and the sealing guide rod to rise to the maximum extent. At this time, the blocking block of the sealing guide rod is inserted into the blocking groove between the first annular air groove and the second annular air groove.

[0016] Preferably, an air blowing groove is vertically formed on one side inside the annular inner cavity, and two guiding rollers are arranged on the side close to the air blowing groove inside the annular inner cavity. A cleaning connection box is vertically arranged on the side close to the air blowing groove inside the annular inner cavity. One end of the cleaning connection box is communicated with the first annular air groove. The filter belt is located between the air blowing groove and the cleaning connection box, and a plurality of air blowing holes are communicated and formed on the side of the cleaning connection box close to the filter belt.

[0017] Preferably, a discharge pipe is arranged on the outer side of the air blowing groove of the air permeable cover shell, a collection groove is formed at the lower end inside the air blowing groove, and a sewage discharge groove is formed in the discharge pipe and communicated with the collection groove.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] At the ventilation window position of the air permeable cover shell, through the coordinated movement control of the regulation component and the filtering component, the movable louvers in multiple ventilation windows are synchronously adjusted and controlled. When a large air exchange flux is required, the movable louvers can be adjusted to the horizontal position. In rainy and snowy weather, they can be flipped to be tightly closed to block the ventilation window position. At the same time, the filtering component can isolate the entry of mosquitoes and dust during daily use, protect the internal electrical appliances without affecting air exchange, heat dissipation and dehumidification. In addition, the blowing and maintenance component can self-clean the filtering component to maintain good adaptive use, which is worry-free and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic structural diagram of the present invention;

[0022] Figure 3 is a schematic installation diagram of the movable louvers of the present invention;

[0023] Figure 4 is a schematic installation diagram of the synchronous control rod of the present invention;

[0024] Figure 5 is of the present invention Figure 4 schematic diagram of part A;

[0025] Figure 6 is of the present invention Figure 5 schematic diagram of part B;

[0026] Figure 7 is a schematic structural diagram of the synchronous control rod of the present invention;

[0027] Figure 8 is a schematic position structural diagram of the cleaning connection box and the discharge pipe of the present invention.

[0028] In the figure: landscape housing 1, buried housing 2, ventilation housing 3, ventilation window 4, annular inner cavity 5, self-rotating shaft 6, movable louvers 7, adjustment slot 8, drive gear 9, control slot 10, synchronous control rod 11, control screw 12, electromagnetic chuck 13, guide roller 14, filter belt 15, metal plate 16, drive teeth 17, first annular air groove 18, second annular air groove 19, spoiler air holes 20, sealing guide rod 21, compression spring 22, push plate 23, cleaning connection box 24, discharge pipe 25, backflush air holes 26, collection tank 27. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to the attached Figure 1-8 , and the following technical solutions are provided in this application.

[0031] Embodiment 1: A buried box-type high-voltage substation includes a landscape housing 1. A ventilation housing 3 is welded to the lower end of the landscape housing 1. A buried housing 2 is installed at the lower end of the ventilation housing 3. The buried housing 2 is buried below the ground. An annular inner cavity 5 is opened in the ventilation housing 3. A plurality of ventilation windows 4 are penetrated through one side of the annular inner cavity 5. A plurality of movable louvers 7 are rotatably arranged in the ventilation windows 4 through a control assembly. The control assembly includes a synchronous control rod 11 and a control screw 12. An adjustment slot 8 is opened between two adjacent ventilation windows 4 in the ventilation housing 3. The centers of one side of a plurality of movable louvers 7 are respectively provided with self-rotating shafts 6. The two sides of the self-rotating shaft 6 are respectively rotatably inserted into the adjustment slots 8 on both sides. One end of the self-rotating shaft 6 placed in the adjustment slot 8 is sleeved with a drive gear 9. When the self-rotating shaft 6 controls the movable louver 7 to flip in the ventilation window 4, different state flows of air in the landscape housing 1 and the buried housing 2 can be realized according to different inclination angles. When the movable louver 7 is horizontally opened, air circulation can be maximized, which is beneficial to dehumidification and cooling. When it is completely closed, external rainwater can be prevented from entering.

[0032] Adjustment slots 10 are provided directly below the shifting gears 9 inside the breathable housing 3. The control screw 12 is vertically rotatably arranged inside one side of the adjustment slot 10 through a bearing and a conductive slip ring. The synchronous control rod 11 is arranged in an L-shaped structure. The horizontal section of the synchronous control rod 11 is placed inside the adjustment slot 10 and is arranged by sleeving the control screw 12 through a thread. The vertical section of the synchronous control rod 11 is vertically movably inserted into the self-rotating shaft 6. A number of shifting teeth 17 are provided on one side of the synchronous control rod 11 placed inside the self-rotating shaft 6. And one side of a number of shifting gears 9 inside the self-rotating shaft 6 is respectively meshed and connected with the shifting teeth 17. The flipping adjustment of the shifting gears 9 is realized through the up and down movement of the synchronous control rod 11. The movement of the synchronous control rod 11 is adjusted by thread control.

[0033] A filtering component is provided to filter dust and bugs from the air entering at the position of the ventilation window 4. The filtering component is arranged inside the annular inner cavity 5. The filtering component includes a filter belt 15 and a number of guiding rollers 14. The upper ends of a number of control screws 12 are respectively connected to the lower ends of some guiding rollers 14. A number of guiding rollers 14 are vertically rotatably arranged inside the annular inner cavity 5 through bearings. The lower end of the guiding roller 14 located above the adjustment slot 10 is inserted into the adjustment slot 10 and is provided with a metal plate 16. The upper end of the control screw 12 is horizontally provided with an electromagnetic chuck 13. And the electromagnetic chuck 13 is in contact with the metal plate 16. When it is necessary to control the up and down movement of the synchronous control rod 11, a servo motor in the prior art controls the rotation of one of the guiding rollers 14, and then controls the filter belt 15 to circulate and rotate inside the annular inner cavity 5. At this time, a number of guiding rollers 14 can all rotate under the action of the filter belt 15. In order to improve the stability of the rotation drive, two guiding rollers 14 can be set to clamp the filter belt 15 for connection control. When the guiding roller 14 rotates, the electromagnetic chuck 13 below is energized, and the electromagnetic chuck 13 adsorbs the metal plate 16. At this time, the control screw 12 rotates synchronously, realizing the positive and negative rotation control of a number of control screws 12, and then completing the synchronous flipping adjustment of a number of movable louvers 7 on the breathable housing 3.

[0034] A blowing and maintenance component is provided to accelerate the air flow at the breathable housing 3. The blowing and maintenance component is arranged inside the breathable housing 3. The blowing and maintenance component includes a first annular air groove 18 and a second annular air groove 19. The first annular air groove 18 and the second annular air groove 19 are connected and communicated. A number of turbulence air holes 20 are opened in the second annular air groove 19 communicating with the annular inner cavity 5. A number of first annular air grooves 18 are supplied with air through a pressurizing fan. After the supplied air enters the second annular air groove 19, it blows out from a number of turbulence air holes 20, disturbing the air at the breathable housing 3 and accelerating the air exchange.

[0035] In this embodiment:

[0036] Embodiment 2: On the basis of Embodiment 1, the filter belt 15 is subjected to reverse blowing and cleaning. A jacking groove is provided on one side of the regulation tank 10 away from the synchronous control rod 11. The first annular air groove 18 is provided directly above the jacking groove inside the air permeable cover 3. The second annular air groove 19 is provided directly above the first annular air groove 18. A number of blocking grooves are communicated between the first annular air groove 18 and the second annular air groove 19, and the number of blocking grooves are respectively located directly above the jacking groove. The lower ends of the first annular air groove 18 are all communicated with the jacking groove to form a sealing guide groove. A spring groove is provided at the lower end of the sealing guide groove. A sealing guide rod 21 is vertically and movably inserted into the sealing guide groove. A pressing plate is horizontally provided on the sealing guide rod 21 inside the spring groove, and a downward pressing spring 22 is sleeved on one side of the sealing guide rod 21 inside the spring groove. The horizontal section of the synchronous control rod 11 is provided with a pushing plate 23 on one side of the jacking groove. A blocking block is horizontally provided on the sealing guide rod 21 inside the first annular air groove 18. When the synchronous control rod 11 is lifted to the maximum extent, the pushing plate 23 pushes the pressing plate and the sealing guide rod 21 to rise to the maximum extent. At this time, the blocking block of the sealing guide rod 21 is inserted into the blocking groove between the first annular air groove 18 and the second annular air groove 19. When the synchronous control rod 11 rises to the maximum extent, the sealing guide rod 21 can block and cut off the connection between the first annular air groove 18 and the second annular air groove 19.

[0037] On one side inside the annular inner cavity 5, a reverse blowing groove is vertically provided. Two guide rollers 14 are provided on one side of the annular inner cavity 5 close to the reverse blowing groove. A cleaning connection box 24 is vertically provided on one side of the annular inner cavity 5 close to the reverse blowing groove. One end of the cleaning connection box 24 is communicated with the first annular air groove 18. The filter belt 15 is located between the reverse blowing groove and the cleaning connection box 24. A number of reverse blowing air holes 26 are communicated on one side of the cleaning connection box 24 close to the filter belt 15. The air permeable cover 3 is provided with a discharge pipe 25 on the outside of the reverse blowing groove. A collection groove 27 is provided at the lower end inside the reverse blowing groove. A sewage discharge groove is communicated between the collection groove 27 and the discharge pipe 25. When it is necessary to perform reverse blowing and cleaning on the filter belt 15, first, the electromagnetic chuck 13 is energized, and the blocking block of the sealing guide rod 21 is inserted into the blocking groove. At this time, the pressurized air in the first annular air groove 18 can only enter the cleaning connection box 24, and then is ejected from the position of the reverse blowing air holes 26 to perform reverse blowing on the two filter belts 15. The pollutants after reverse blowing are discharged from the collection groove 27 and the discharge pipe 25 to the outside of the air permeable cover 3.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made therein without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A buried box-type high-voltage substation, characterized in that, Including: A landscape housing (1), a ventilation housing (3) is welded to the lower end of the landscape housing (1), a buried housing (2) is installed at the lower end of the ventilation housing (3), the buried housing (2) is buried below the ground, an annular inner cavity (5) is formed in the ventilation housing (3), a plurality of ventilation windows (4) are formed through one side of the annular inner cavity (5), and a plurality of movable louvers (7) are rotatably arranged in the ventilation windows (4) through a control assembly. The control assembly includes a synchronous control rod (11) and a control screw rod (12); A filtering assembly, the filtering assembly is arranged in the annular inner cavity (5), the filtering assembly includes a filter belt (15) and a plurality of guide rollers (14), and the upper ends of a plurality of control screw rods (12) are respectively connected to the lower ends of some of the guide rollers (14); A blowing and maintaining assembly, the blowing and maintaining assembly is arranged in the ventilation housing (3), the blowing and maintaining assembly includes a first annular air groove (18) and a second annular air groove (19), the first annular air groove (18) is communicated with the second annular air groove (19), and a plurality of turbulent flow air holes (20) are formed in the second annular air groove (19) communicating with the annular inner cavity (5).

2. The buried box-type high-voltage substation according to claim 1, wherein: An adjustment groove (8) is formed between two adjacent ventilation windows (4) in the ventilation housing (3), a self-rotating shaft (6) is arranged at the center of one side of each of the plurality of movable louvers (7), and both sides of the self-rotating shaft (6) are respectively rotatably inserted into the adjustment grooves (8) on both sides, and a shifting gear (9) is sleeved at one end of the self-rotating shaft (6) placed in the adjustment groove (8).

3. The underground box-type high-voltage substation according to claim 2, wherein: Regulation grooves (10) are respectively formed directly below the shifting gears (9) in the ventilation housing (3), the control screw rod (12) is vertically rotatably arranged in one side of the regulation groove (10) through a bearing and a conductive slip ring, the synchronous control rod (11) is arranged in an L-shaped structure, and the horizontal section of the synchronous control rod (11) is placed in the regulation groove (10) and is threadedly sleeved on the control screw rod (12).

4. The buried box-type high-voltage substation according to claim 3, wherein: The vertical section of the synchronous control rod (11) is vertically movably inserted into the self-rotating shaft (6), a plurality of shifting teeth (17) are arranged on one side of the synchronous control rod (11) placed in the self-rotating shaft (6), and one sides of the plurality of shifting gears (9) in the self-rotating shaft (6) are respectively meshed and connected with the shifting teeth (17).

5. The buried box-type high-voltage substation according to claim 4, characterized in that: A plurality of the guide rollers (14) are vertically rotatably arranged in the annular inner cavity (5) through bearings, the lower end of the guide roller (14) located above the regulation groove (10) is inserted into the regulation groove (10) and is provided with a metal plate (16), an electromagnetic chuck (13) is horizontally arranged at the upper end of the control screw rod (12), and the electromagnetic chuck (13) is in contact with the metal plate (16).

6. The buried box-type high-voltage substation according to claim 5, characterized in that: A jacking groove is formed on one side of the regulation groove (10) far away from the synchronous control rod (11), the first annular air groove (18) is formed directly above the jacking groove in the ventilation housing (3), the second annular air groove (19) is formed directly above the first annular air groove (18), and a plurality of blocking grooves are formed in communication between the first annular air groove (18) and the second annular air groove (19), and the plurality of blocking grooves are respectively located directly above the jacking groove.

7. The buried box-type high-voltage substation according to claim 6, characterized in that: At the lower end of the first annular air groove (18), a sealing guide groove is communicated with the jacking groove, a spring groove is opened at the lower end of the sealing guide groove, a sealing guide rod (21) is vertically and movably inserted in the sealing guide groove, a pressing plate is horizontally arranged in the spring groove of the sealing guide rod (21), and a downward pressing spring (22) is sleeved on one side of the sealing guide rod (21) located in the spring groove.

8. The buried box-type high-voltage substation according to claim 7, characterized in that: A pushing plate (23) is horizontally arranged on one side of the jacking groove where the horizontal section of the synchronous control rod (11) is located. A blocking block is horizontally arranged at the upper end of the sealing guide rod (21) in the first annular air groove (18). When the synchronous control rod (11) is lifted to the maximum extent, the pushing plate (23) pushes the pressing plate and the sealing guide rod (21) to rise to the maximum extent. At this time, the blocking block of the sealing guide rod (21) is inserted into the blocking groove between the first annular air groove (18) and the second annular air groove (19).

9. The buried box-type high-voltage substation according to claim 8, characterized in that: An air blowing back groove is vertically opened on one side in the annular inner cavity (5). Two guide rollers (14) are arranged on one side of the annular inner cavity (5) close to the air blowing back groove. A cleaning connection box (24) is vertically arranged on one side of the annular inner cavity (5) close to the air blowing back groove. One end of the cleaning connection box (24) is communicated with the first annular air groove (18). The filter belt (15) is located between the air blowing back groove and the cleaning connection box (24), and a plurality of air blowing back air holes (26) are communicated and opened on one side of the cleaning connection box (24) close to the filter belt (15).

10. The buried box-type high-voltage substation according to claim 9, characterized in that: A discharge pipe (25) is arranged on the outer side of the air blowing back groove of the air permeable cover shell (3). A collection groove (27) is opened at the lower end of the air blowing back groove. A sewage discharge groove is communicated with the collection groove (27) in the discharge pipe (25).

Citation Information

Patent Citations

  • An underground prefabricated substation

    CN111834948B