Combined box-type substation

Abstract

The utility model belongs to the technical field of transformer substations, and particularly discloses a combined box-type transformer substation, which comprises a protection box, the inner top wall of the protection box is fixedly connected with a limiting frame, the inner wall of the limiting frame is rotatably connected with guide plates which are linearly arranged, the left ends of the plurality of guide plates are provided with clamping grooves, and the left ends of the plurality of guide plates are fixedly connected with the limiting frame. According to the heat dissipation device, negative pressure is generated in the limiting frame through the draught fan, external cold air is guided to enter equipment after being filtered by the filter plate, the heat dissipation effect is guaranteed, impurities can be prevented from invading, the heat dissipation effect is improved, the heat dissipation efficiency is improved, and the heat dissipation effect is improved. Then a motor drives a rotating disc and a limiting column to rotate, so that the limiting column drives a limiting ring to move back and forth and further drives a connecting rod and a clamping block to pull a guide plate to swing, dynamic adjustment of the blowing direction of cold airflow is achieved, and the situation that the airflow direction is limited and heat cannot be conducted on corners and peripheral areas of core heating components is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to substation technical field, concretely is a combined box type substation. BACKGROUND

[0002] With the fast development of the power system in the direction of intelligentization, compactness and high efficiency, higher requirements are put forward for the integration degree, land occupation, installation convenience and operation reliability of power equipment in the scenes of urban and rural power grid reconstruction, new energy power generation grid connection, industrial plant power supply and commercial complex power distribution.

[0003] However, in the use process of the prior art, during the operation of the box type substation, various electrical components inside it will continuously generate a large amount of heat, and as the heat continuously accumulates in the closed space, the internal temperature of the equipment gradually rises, which not only may cause performance degradation of the components, but also significantly increases the safety risk of equipment fire, seriously threatening the stable operation of the substation. Although some existing devices are equipped with heat dissipation structures, due to the design defect of fixed installation position, the heat dissipation range cannot cover all the heating areas inside the equipment, especially for the corner and peripheral area of the core heating components, it is difficult to realize precise and comprehensive heat dissipation, and thus a combined box type substation is proposed. SUMMARY

[0004] The utility model aims at providing a combined box type substation to solve the problem that although some existing devices are equipped with heat dissipation structures, due to the design defect of fixed installation position, the heat dissipation range cannot cover all the heating areas inside the equipment, especially for the corner and peripheral area of the core heating components, it is difficult to realize precise and comprehensive heat dissipation.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a combined box type substation, comprising a protective box, the inner top wall of the protective box is fixedly connected with a limiting frame, the inner wall of the limiting frame is rotatably connected with a guide plate arranged linearly, a clamping groove is formed in the left end of each guide plate, a clamping block is rotatably connected in each clamping groove, the left end of the clamping block is fixedly connected with a connecting rod, the middle position of the connecting rod is fixedly connected with a limiting ring, the left side of the limiting frame is fixedly connected with a motor, the output end of the motor is rotatably connected with a rotating disc through a shaft coupling and fixedly connected with a rotating disc, the right side of the rotating disc is fixedly connected with a limiting column, the outer surface of the limiting column is in contact with the inner wall of the limiting ring.

[0006] Preferably, the inner top wall of the protective box is fixedly connected with a fan, the back of the protective box is fixedly connected with a protective plate, and the back of the protective box is provided with a filter plate near the protective plate.

[0007] Preferably, both sides of the protective box are fixedly connected with protective nets, the inner bottom wall of the protective box is fixedly connected with two limiting blocks, and the inner bottom wall of the protective box is fixedly connected with an electric telescopic rod.

[0008] Preferably, the output end of the electric telescopic rod is fixedly connected with a support frame through a shaft coupling, and the upper surface of the support frame is fixedly connected with combined power transformation equipment through bolts.

[0009] Preferably, the inside of the support frame is provided with two sliding grooves, and the inner wall of each sliding groove is in contact with the outer surface of one limiting block.

[0010] Preferably, the front surface of the protective box is hingedly connected with two cabinet doors, and the top end of each cabinet door is fixedly connected with a protruding block.

[0011] Preferably, the front surface of the protective box is provided with a limiting slot, and the inside of the limiting slot is provided with a sun shield.

[0012] Preferably, the lower surface of the sun shield is provided with a groove, and the inner wall of the groove is in contact with the outer surface of the protruding block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The combined box-type substation utilizes the fan to generate negative pressure in the limiting frame, guides the external cold air to enter the inside of the equipment after being filtered by the filter plate, guarantees the heat dissipation effect, and blocks the invasion of impurities, then the rotating disc and the limiting column are driven to rotate by the motor, the limiting column drives the limiting ring to move forward and backward, further drives the connecting rod and the clamping block to swing, realizes the dynamic adjustment of the cold air flow blowing, prevents the airflow direction from being limited, and cannot guide the heat of the corner and the peripheral area of the core heating component.

[0015] 2、The combined box-type substation realizes the automatic in-out of the combined power transformation equipment in the protective box through the cooperation of the electric telescopic rod, the support frame with the sliding groove and the limiting block, does not need manual carrying, greatly reduces the maintenance operation difficulty, improves the maintenance efficiency, realizes the sun shield synchronous extension when the cabinet door is opened through the clamping cooperation of the cabinet door top end protruding block and the sun shield groove and the storage guiding effect of the limiting slot, automatically protects the sun shield from rain for the exposed power transformation equipment, does not need additional manual operation, and improves the outdoor use safety. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the combined box-type substation of the utility model;

[0017] Figure 2 It is a structural schematic view of the protective net of the utility model;

[0018] Figure 3 It is the structure schematic view of the limiting ring of the utility model;

[0019] Figure 4 It is the structure schematic view of the support frame of the utility model;

[0020] Figure 5 It is the structure schematic view of the limiting block of the utility model;

[0021] Figure 6 It is the structure schematic view of the guide plate of the utility model.

[0022] In the drawing: 1, protective box; 2, cabinet door; 3, protective net; 4, protruding block; 5, recess; 6, sun visor; 7, combined transformer equipment; 8, electric telescopic rod; 9, support frame; 10, limiting block; 11, sliding groove; 12, limiting groove; 13, fan; 14, limiting frame; 15, guide plate; 16, connecting rod; 17, limiting column; 18, rotating disc; 19, filter plate; 20, protective plate; 21, clamping block; 22, clamping groove; 23, motor; 24, limiting ring. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-6 The utility model provides technical scheme: a combined box -type substation, including protective box 1, the inner top wall of protective box 1 is fixedly connected with limiting frame 14, the inner wall of limiting frame 14 is rotatably connected with the guide plate 15 in linear arrangement, utilize guide plate 15, the air flow that enters the inside of limiting frame 14 is guided to the effect, cold air flow can realize cooling to the component in the device in multiple directions, the left end of multiple guide plates 15 is all set up with clamping groove 22, the inside of each clamping groove 22 is rotatably connected with clamping block 21, the left end of clamping block 21 is fixedly connected with connecting rod 16, the middle position of connecting rod 16 is fixedly connected with limiting ring 24, the left side of limiting frame 14 is fixedly connected with motor 23, the output of motor 23 is rotatably penetrated through the inner wall of limiting frame 14 and is fixedly connected with rotating disc 18, pass through motor 23, drive rotating disc 18 to rotate the effect, the right side of rotating disc 18 is fixedly connected with limiting column 17, the outer surface of limiting column 17 is in contact with the inner wall of limiting ring 24, in the process of rotating disc 18 drive limiting column 17 rotation promotes limiting ring 24 to move, makes limiting ring 24 drive multiple guide plates 15 to swing simultaneously, the air flow that enters the inside of protective box 1 is guided.

[0024] Wherein, the inner top wall of protective box 1 is fixedly connected with fan 13, the back of protective box 1 is fixedly connected with protective plate 20, the back of protective box 1 is set up with filter plate 19 near protective plate 20's position, pass through fan 13, drive limiting frame 14's inside to generate negative pressure, make external cold air pass through protective plate 20 and filter plate 19 and enter the inside of device to the effect of cooling the combined transformer equipment 7 in the inside of device.

[0025] Two sides of the protection box 1 are fixedly connected with the protective nets 3, the inner bottom wall of the protection box 1 is fixedly connected with two limiting blocks 10, and the inner bottom wall of the protection box 1 is fixedly connected with the electric telescopic rod 8.

[0026] The output end of the electric telescopic rod 8 is fixedly connected with the support frame 9 through a shaft coupling, the upper surface of the support frame 9 is fixedly connected with the combined power transformation equipment 7 through bolts, the electric telescopic rod 8 is used for driving the support frame 9 to move, so that the support frame 9 drives the combined power transformation equipment 7 to move, and when the combined power transformation equipment 7 moves to the outside of the protection box 1, the combined power transformation equipment 7 can be repaired and replaced by the staff.

[0027] Two sliding grooves 11 are arranged in the support frame 9, the inner wall of each sliding groove 11 is in contact with the outer surface of one limiting block 10, the support frame 9 is supported by the limiting block 10, the position of the support frame 9 is limited, and the position of the combined power transformation equipment 7 is further supported and fixed.

[0028] The front surface of the protection box 1 is hingedly connected with two cabinet doors 2, and the top end of each cabinet door 2 is fixedly connected with a protruding block 4.

[0029] The front surface of the protection box 1 is provided with a limiting groove 12, and the limiting groove 12 is provided with a sun shield 6.

[0030] The lower surface of the sun shield 6 is provided with a groove 5, the inner wall of the groove 5 is in contact with the outer surface of the protruding block 4, the position of the protruding block 4 is limited by the groove 5, when the cabinet door 2 is opened for maintenance, the protruding block 4 drives the sun shield 6 to slide outwards under the limiting action of the limiting groove 12, and the sun shield 6 can shield the combined power transformation equipment 7 in the protection box 1 when the cabinet door 2 is opened, so that the combined power transformation equipment 7 is prevented from being irradiated by the sun and raining.

[0031] The motor is prior art, and will not be described in detail here. The motor is matched with a connecting wire, a power supply and a microcontroller, and the prior structure will not be described in detail here.

[0032] Working principle: in use, when the combined transformer equipment 7 needs to be maintained and cleaned, first open the cabinet door 2, make the cabinet door 2 slide in the recess 5 through the lug 4, drive the sun shield 6 to move outward under the limiting action of the limiting groove 12, shield the combined transformer equipment 7 in the protective box 1, prevent the combined transformer equipment 7 from being directly irradiated by the sun, then start the electric telescopic rod 8, make the electric telescopic rod 8 push the support frame 9 to move under the supporting limiting action of the limiting block 10, further drive the combined transformer equipment 7 to move outward, facilitate the staff to maintain and clean the combined transformer equipment 7, after cleaning, use the electric telescopic rod 8 again to collect the combined transformer equipment 7 in the protective box 1, insert the lug 4 into the recess 5, close the cabinet door 2, and collect the sun shield 6 in the limiting groove 12.

[0033] When the temperature of the components in the combined transformer equipment 7 in the device is high, start the fan 13, form negative pressure in the limiting frame 14 by the fan 13, the cold air outside the device passes through the protective plate 20 and enters the inside of the limiting frame 14 through the filter plate 19, simultaneously start the motor 23, make the motor 23 drive the rotating disc 18 to rotate with the limiting column 17, make the limiting column 17 extrude and push the limiting ring 24, the limiting ring 24 drives the connecting rod 16 to move forward and backward in the rotating process of the limiting column 17, further make the connecting rod 16 drive the clamping block 21 to move, make the guide plate 15 swing around the connection between the guide plate 15 and the limiting frame 14, constantly change the direction of the cold air entering the limiting frame 14 blowing to the surface of the combined transformer equipment 7, expand the cooling area inside the equipment, realize accurate and comprehensive heat dissipation, the gas with heat is discharged from the inside of the protective box 1 through the protective net 3.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined box-type substation comprising a protective box (1), characterized in that: The inner top wall of the protection box (1) is fixedly connected with a limiting frame (14), the inner wall of the limiting frame (14) is rotatably connected with a linearly arranged guide plate (15), the left end of a plurality of guide plates (15) is provided with a clamping groove (22), the inside of each clamping groove (22) is rotatably connected with a clamping block (21), the left end of the clamping block (21) is fixedly connected with a connecting rod (16), the middle position of the connecting rod (16) is fixedly connected with a limiting ring (24), the left side of the limiting frame (14) is fixedly connected with a motor (23), the output end of the motor (23) is rotatably connected with the inner wall of the limiting frame (14) through a shaft coupling and is fixedly connected with a rotating disc (18), the right side of the rotating disc (18) is fixedly connected with a limiting column (17), and the outer surface of the limiting column (17) is in contact with the inner wall of the limiting ring (24).

2. A combined box-type substation according to claim 1, characterized in that: The inner top wall of the protection box (1) is fixedly connected with a fan (13), the back of the protection box (1) is fixedly connected with a protection plate (20), and the back of the protection box (1) is provided with a filter plate (19) close to the protection plate (20).

3. A combined box-type substation according to claim 2, characterized in that: Both sides of the protection box (1) are fixedly connected with a protection net (3), the inner bottom wall of the protection box (1) is fixedly connected with two limiting blocks (10), and the inner bottom wall of the protection box (1) is fixedly connected with an electric telescopic rod (8).

4. A combined box-type substation according to claim 3, characterized in that: The output end of the electric telescopic rod (8) is fixedly connected with a support frame (9) through a shaft coupling, and the upper surface of the support frame (9) is fixedly connected with a combined power transformation device (7) through bolts.

5. A combined box-type substation according to claim 4, characterized in that: The inside of the support frame (9) is provided with two sliding grooves (11), and the inner wall of each sliding groove (11) is in contact with the outer surface of one limiting block (10).

6. A combined box-type substation according to claim 5, characterized in that: The front of the protection box (1) is hingedly connected with two cabinet doors (2), and the top end of each cabinet door (2) is fixedly connected with a protruding block (4).

7. A combined box-type substation according to claim 6, characterized in that: The front of the protection box (1) is provided with a limiting groove (12), and the inside of the limiting groove (12) is provided with a sun shield (6).

8. A combined box-type substation according to claim 7, characterized in that: The lower surface of the sun shield (6) is provided with a groove (5), and the inner wall of the groove (5) is in contact with the outer surface of the protruding block (4).

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