Outdoor box-type power transformation cabinet

Abstract

The invention relates to the technical field of power transformation or power distribution, and discloses an outdoor box-type power transformation cabinet which comprises a cabinet body, a cover body, a walking air supply mechanism and a temperature adjusting mechanism. Different from the prior art that a temperature adjusting device is arranged at a fixed position in a cabinet body, a temperature adjusting mechanism is arranged on one side outside the cabinet body, air in the cabinet body is extracted through a circulating pump, temperature of air flowing through a temperature adjusting pipe is increased or decreased through a cold and hot switching assembly, and when high-temperature or low-temperature air flow is conveyed to the cabinet body through an air supply pipe, the temperature of the air flow is increased or decreased. The moving block is driven by the walking assembly to move along the walking track so as to drive the air supply pipe to move in the length direction of the cabinet body and convey airflow to the inner cavity, so that high-temperature or low-temperature airflow is comprehensively and uniformly conveyed into the inner cavity of the cabinet body, and then the temperature adjusting speed of the inner cavity of the cabinet body is increased; and normal operation of electrical components in the box-type power transformation cabinet is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of power transformation or power distribution, and in particular to an outdoor box-type substation cabinet. Background Art

[0002] Outdoor box-type substation cabinets are often located in unobstructed areas. Affected by factors such as solar radiation, geographical location, and heat dissipation of the equipment itself, the internal temperature may exceed the range allowed by the internally installed equipment. Therefore, it is necessary to adjust the temperature inside the box-type substation cabinet to adapt to complex and changeable environmental conditions.

[0003] The patent document with the publication number CN117420865A discloses a temperature and humidity control device for an outdoor control cabinet of a substation. This device is installed inside the control cabinet. When the temperature inside the control cabinet is relatively high, the semiconductor cooling sheet starts to work under the control of a temperature control switch. The suction fan blows air from the air inlet into the air box. During the contact between the air flow and the semiconductor cooling sheet, due to heat transfer, the temperature of the air flow will decrease. The cooled air flow will follow the air duct of the outlet pipe and, under the action of the exhaust fan, re-enter the enclosed space from the air outlet hole and mix with the surrounding air in the enclosed spaces such as the control cabinet and the mechanism box to achieve the effect of cooling. When the temperature inside the control cabinet is relatively low, the electric heating sheet starts to work under the control of a temperature control switch. The suction fan drives the surrounding air to enter from the air inlet hole. After contacting the electric heating sheet, heat is transferred to the air flow. The heated air flow at high speed is discharged into the surrounding air from the air outlet hole after passing through the U-shaped outlet pipe at the bottom. At this time, the overall temperature of the internal air rises under the influence of the heated air flow.

[0004] However, whether it is the above device or other existing temperature adjustment devices, they are all fixed at a certain fixed position inside the box-type substation cabinet body, making the cooling air or warm air generated by the device unable to be evenly, comprehensively, and quickly sent between multiple components inside the box-type substation cabinet, resulting in a relatively slow temperature adjustment inside the box-type substation cabinet, which will affect the operation of the electrical components inside the box-type substation cabinet. Summary of the Invention

[0005] The object of the present invention is to provide an outdoor box-type substation cabinet to solve the problem that the existing temperature adjustment device of the substation cabinet is fixedly installed in the cabinet body, resulting in the inability to evenly and comprehensively send cold air or hot air into the inner cavity of the cabinet, and further causing a relatively slow temperature adjustment inside the box-type substation cabinet, which will affect the operation of the internal electrical components.

[0006] To achieve the above object, the present invention provides an outdoor box-type substation cabinet, which includes a cabinet body, a cover body, a walking air supply mechanism, and a temperature adjustment mechanism;

[0007] The cabinet body is provided with an inner cavity. The top of the cabinet body is provided with a first opening, and the bottom of the cabinet body is provided with an air outlet. Both the first opening and the air outlet are communicated with the inner cavity. The length direction of the cabinet body is defined as the first direction;

[0008] The cover body is covered above the cabinet body and covers the first opening. A temperature sensor is provided on the inner wall of the cover body;

[0009] The walking air supply mechanism is arranged in the cover body. The walking air supply mechanism includes a moving block, an air supply pipe, a walking track and a walking component. The walking track extends along the first direction and is fixedly connected to the inner wall of the cover body. The moving block is movably connected to the walking track through the walking component. The walking component is used to drive the moving block to move along the walking track. The air supply pipe is fixedly penetrated through the moving block, and the outlet of the air supply pipe faces the inner cavity;

[0010] The temperature regulation mechanism includes a temperature regulation pipe, a circulation pump and a cold and heat switching component. The temperature regulation pipe is vertically arranged and connected to the outer surface of the cabinet body. The temperature regulation pipe includes a first end located above and a second end located below. The first end is connected to the inlet of the air supply pipe through a pipeline, and the second end is connected to the air outlet. The circulation pump is installed at the lower part of the temperature regulation pipe and is used to extract the air in the inner cavity and convey it to the first end. The cold and heat switching component is arranged above the circulation pump. The cold and heat switching component includes a switching part, a fixing ring and a semiconductor refrigeration sheet. A temperature regulation hole penetrating the inner and outer surfaces is opened on the side wall of the temperature regulation pipe. The fixing ring is fixedly connected to the temperature regulation hole. The semiconductor refrigeration sheet is rotatably connected to the fixing ring. The two opposite side surfaces of the semiconductor refrigeration sheet are respectively a cold end for absorbing heat and a hot end for releasing heat. The switching part is connected to the semiconductor refrigeration sheet and is used to drive the semiconductor refrigeration sheet to rotate so that the cold end or the hot end is located inside the temperature regulation pipe.

[0011] Further, a second direction perpendicular to the first direction on the horizontal plane is defined;

[0012] On the second direction, the walking tracks are respectively arranged on both sides of the inner wall of the cover body;

[0013] The walking component includes a walking motor and two walking parts. The two walking parts are respectively arranged on both sides of the moving block in the second direction;

[0014] The walking part includes a connecting plate, walking wheels, and a rotating rod; the connecting plate is fixedly connected to one side surface of the moving block, and a walking groove is formed in the surface of the connecting plate facing away from the moving block; the rotating rod is arranged vertically, passes through the walking groove, and is rotatably connected to the connecting plate; the walking wheels are horizontally arranged in the walking groove and fixedly connected to the rotating rod; the walking wheels are slidably connected to the walking track;

[0015] The walking motor is connected to the connecting plate in one of the walking parts, and the output end of the walking motor is fixedly connected to the rotating rod for driving the rotating rod to rotate.

[0016] Further, the walking air supply mechanism further includes a PLC controller and a limit contact;

[0017] The limit contacts are provided at both ends of the walking track in the first direction;

[0018] The walking motor and the limit contact are respectively electrically connected to the PLC controller;

[0019] Wherein, when the walking wheel moves to the end of the walking track and contacts the limit contact, the limit contact sends a squeezing signal to the PLC controller, and the PLC controller receives the squeezing signal and controls the walking motor to reverse to drive the walking wheel to move in the reverse direction.

[0020] Further, the temperature adjustment tube includes a first vertical tube, a second vertical tube, and a third vertical tube that are sequentially connected from top to bottom;

[0021] The second vertical tube is detachably connected to the first vertical tube and the third vertical tube respectively, and a moisture-absorbing cotton is provided on the inner wall of the second vertical tube;

[0022] The top of the first vertical tube has the first end, and the bottom of the third vertical tube has the second end; the circulation pump is installed in the third vertical tube, and a temperature adjustment hole is provided on the side wall of the second vertical tube.

[0023] Further, turning rods are respectively fixed on both sides of the semiconductor refrigeration sheet, the turning rods are rotatably connected to the fixed ring, and at least part of the turning rods protrude out of the outer wall of the fixed ring;

[0024] The switching part includes an electric push rod, a rack, and a gear;

[0025] One of the turning rods is fixedly connected with the gear; the turning rod and the gear are coaxially arranged, and the electric push rod and the rack extend along the axial direction of the fixed ring;

[0026] The electric push rod is connected to the second vertical pipe, and the output end of the electric push rod is fixedly connected to the rack, and the rack is meshed and connected to the gear.

[0027] Further, the temperature regulating mechanism further includes a sealing connection assembly, and both ends of the second vertical pipe are connected with the sealing connection assembly;

[0028] The sealing connection assembly includes a sealing pipe and a limiting pipe; the sealing pipe is sleeved on the outer periphery of the limiting pipe, and the limiting pipe is connected with the second vertical pipe; a net is arranged at one end of the two limiting pipes facing each other;

[0029] The sealing pipe is made of an elastic material; one end of the two sealing pipes far from the second vertical pipe is respectively sealed and inserted into the first vertical pipe and the third vertical pipe.

[0030] Further, the sealing connection assembly further includes a guiding part;

[0031] The guiding part includes a guiding plate, a guiding block and a spring;

[0032] The guiding plate is fixedly connected to the outer wall of the limiting pipe and extends along the axial direction of the limiting pipe, and a guiding groove extending along the axial direction of the limiting pipe is formed in the guiding plate;

[0033] The guiding block is fixedly arranged on the outer wall of the sealing pipe, the guiding block slidably penetrates through the guiding groove, and is connected to the inner wall of the guiding groove through the spring.

[0034] Further, an external thread is arranged on the outer wall of one end of the limiting pipe close to the second vertical pipe, and the limiting pipe is screwed to the second vertical pipe.

[0035] Further, the temperature regulating mechanism further includes a rotating assembly;

[0036] The rotating assembly includes a fixed rod and a sleeve, the fixed rod is horizontally arranged, one end of the fixed rod is fixedly connected to the outer surface of the cabinet body, and the other side extends away from the cabinet body;

[0037] One end of the sleeve is rotatably sleeved on the end of the fixed rod far from the cabinet body, and the other end of the sleeve is fixedly connected to the outer wall of the second vertical pipe.

[0038] Compared with the prior art, the outdoor box-type substation cabinet provided by the present invention has the beneficial effects that:

[0039] An outdoor box-type substation cabinet provided by the present invention includes a cabinet body, a cover body, a walking air supply mechanism, and a temperature adjustment mechanism; the temperature sensor provided on the inner wall of the cover body detects the temperature of the inner cavity of the cabinet body; when the temperature is relatively high, the switching part drives the semiconductor refrigeration sheet to rotate, and makes the cold end face the temperature adjustment hole; the circulation pump of the temperature adjustment pipe extracts the air in the inner cavity of the cabinet body and conveys it to the first end, and during the process of the air flow being conveyed to the first end, it passes through the temperature adjustment hole. Due to heat transfer, the heat of the air flow is absorbed by the cold end, so the temperature drops. The cooled air flow is output from the first end and conveyed into the air supply pipe, and is conveyed into the inner cavity of the cabinet body 1 by the air supply pipe; and because the air supply pipe is fixedly arranged in the moving block, the moving block can move along the walking track under the drive of the walking component, so that the air supply pipe conveys low-temperature air flow into the cabinet body while moving along the length direction of the cabinet body 1, so that the low-temperature air flow can be comprehensively and evenly conveyed into the cabinet body; similarly, when the temperature is relatively low, the switching part drives the semiconductor refrigeration sheet to rotate, and makes the hot end face the temperature adjustment hole; the circulation pump of the temperature adjustment pipe extracts the air in the inner cavity of the cabinet body and conveys it to the first end, and during the process of the air flow being conveyed to the first end, it passes through the temperature adjustment hole. Due to heat transfer, the hot end releases heat to the outside and transfers it to the air flow, so the temperature rises. The heated air flow is output from the first end and conveyed into the air supply pipe, and is conveyed into the inner cavity of the cabinet body by the air supply pipe; and because the air supply pipe is fixedly arranged in the moving block, the moving block can move along the walking track under the drive of the walking component, so that the air supply pipe conveys high-temperature air flow into the cabinet body while moving along the length direction of the cabinet body, so that the high-temperature air flow can be comprehensively and evenly conveyed into the cabinet body; then the temperature adjustment speed of the inner cavity of the cabinet body is increased, and the normal operation of the electrical components inside the box-type substation cabinet is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is a front view schematic diagram of an outdoor box-type substation cabinet according to an embodiment of the present invention;

[0041] Figure 2 is a side view schematic diagram of a moving block and a walking component in an outdoor box-type substation cabinet according to an embodiment of the present invention;

[0042] Figure 3 is Figure 1 an enlarged schematic diagram of area A in

[0043] Figure 4 is an assembly schematic diagram of a second vertical pipe and a limiting pipe in an outdoor box-type substation cabinet according to an embodiment of the present invention.

[0044] In the figure, 100 is an outdoor box-type substation cabinet; 1 is a cabinet body; 2 is a cover body; 21 is a temperature sensor; 3 is a walking air supply mechanism; 31 is a moving block; 32 is an air supply pipe; 33 is a walking track; 34 is a walking component; 341 is a walking motor; 342 is a walking part; 3420 is a walking groove; 3421 is a connecting plate; 3422 is a walking wheel; 3423 is a rotating rod; 35 is a PLC controller; 36 is a limit contact; 4 is a temperature adjustment mechanism; 41 is a temperature adjustment pipe; 411 is a first vertical pipe; 4111 is a connecting ring; 412 is a second vertical pipe; 4121 is a moisture absorption cotton; 413 is a third vertical pipe; 42 is a circulation pump; 43 is a cold and heat switching component; 431 is a switching part; 4311 is an electric push rod; 4312 is a rack; 4313 is a gear; 432 is a fixed ring; 433 is a semiconductor refrigeration sheet; 4331 is a sealing ring; 4332 is a flipping rod; 44 is a sealing connection component; 441 is a sealing pipe; 442 is a limiting pipe; 4421 is a net; 443 is a guiding part; 4430 is a guiding groove; 4431 is a guiding plate; 4432 is a guiding block; 4433 is a spring; 45 is a rotating component; 451 is a fixed rod; 452 is a sleeve; 46 is a diversion pipe. Detailed implementation manners

[0045] The following will further describe in detail the specific implementation manners of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0046] In the description of the present invention, it should be understood that the term "semiconductor refrigeration sheet" is used in the present invention, which is also called a thermoelectric refrigeration sheet and is a kind of heat pump. The semiconductor refrigeration sheet utilizes the Peltier effect of semiconductor materials. When direct current passes through an electric couple formed by two different semiconductor materials connected in series, heat can be absorbed and released at both ends of the electric couple respectively. Through the transfer of heat, the cold end that absorbs heat can cool the air, and the hot end that releases heat can heat the air. Its principle of action and specific structure belong to the prior art and will not be elaborated here.

[0047] As Figures 1 to 4 shown, an outdoor box-type substation cabinet 100 according to an embodiment of the present invention includes a cabinet body 1, a cover body 2, a walking air supply mechanism 3 and a temperature adjustment mechanism 4;

[0048] The cabinet body 1 is provided with an inner cavity, a first opening is provided at the top of the cabinet body 1, an air outlet is provided at the bottom of the cabinet body 1, and both the first opening and the air outlet are communicated with the inner cavity; the length direction of the cabinet body 1 is defined as the first direction X;

[0049] The cover body 2 is covered above the cabinet body 1 and covers the first opening, and a temperature sensor 21 is provided on the inner wall of the cover body 2;

[0050] The walking air supply mechanism 3 is arranged in the cover body 2; the walking air supply mechanism 3 includes a moving block 31, an air supply pipe 32, a walking track 33 and a walking assembly 34; the walking track 33 extends along the first direction X and is fixedly connected to the inner wall of the cover body 2, the moving block 31 is movably connected to the walking track 33 through the walking assembly 34, and the walking assembly 34 is used for driving the moving block 31 to move along the walking track 33; the air supply pipe 32 is fixedly penetrated through the moving block 31, and the outlet of the air supply pipe 32 faces the inner cavity;

[0051] The temperature adjustment mechanism 4 includes a temperature adjustment pipe 41, a circulation pump 42 and a cold and hot switching assembly 43; the temperature adjustment pipe 41 is vertically arranged and connected to the outer surface of the cabinet body 1; the temperature adjustment pipe 41 includes a first end located above and a second end located below, the first end is connected to the inlet of the air supply pipe 32 through a pipe, and the second end is connected to the air outlet; the circulation pump 42 is installed at the lower part of the temperature adjustment pipe 41 and is used for pumping the air in the inner cavity and conveying it to the first end; the cold and hot switching assembly 43 is arranged above the circulation pump 42, and the cold and hot switching assembly 43 includes a switching part 431, a fixing ring 432 and a semiconductor refrigeration sheet 433; a temperature adjustment hole penetrating the inner and outer surfaces is formed in the side wall of the temperature adjustment pipe 41, the fixing ring 432 is fixedly connected to the temperature adjustment hole, and the semiconductor refrigeration sheet 433 is rotatably connected to the fixing ring 432; the two opposite side surfaces of the semiconductor refrigeration sheet 433 are respectively a cold end for absorbing heat and a hot end for releasing heat; the switching part 431 is connected to the semiconductor refrigeration sheet 433 and is used for driving the semiconductor refrigeration sheet 433 to rotate so that the cold end or the hot end is located in the temperature adjustment pipe 41.

[0052] Based on the above technical solution, the temperature inside the cabinet body 1 is detected by the temperature sensor 21 provided on the inner wall of the cover body 2; when the temperature is relatively high, the switching part 431 drives the semiconductor refrigeration sheet 433 to rotate, and makes the cold end face the temperature adjustment hole; the circulation pump 42 of the temperature adjustment pipe 41 extracts the air in the inner cavity of the cabinet body 1 and conveys it to the first end. During the conveyance of the air flow to the first end, it passes through the temperature adjustment hole. Due to heat transfer, the heat of the air flow is absorbed by the cold end, so that the temperature drops. The cooled air flow is output from the first end and conveyed to the air supply pipe 32, and is conveyed into the inner cavity of the cabinet body 1 by the air supply pipe 32; and because the air supply pipe 32 is fixedly arranged in the moving block 31, the moving block 31 can move along the walking track 33 driven by the walking component 34, so that the air supply pipe 32 conveys low-temperature air flow into the cabinet body 1 while moving along the length direction of the cabinet body 1, so that the low-temperature air flow can be evenly conveyed into the cabinet body 1 comprehensively; similarly, when the temperature is relatively low, the switching part 431 drives the semiconductor refrigeration sheet 433 to rotate, and makes the hot end face the temperature adjustment hole; the circulation pump 42 of the temperature adjustment pipe 41 extracts the air in the inner cavity of the cabinet body 1 and conveys it to the first end. During the conveyance of the air flow to the first end, it passes through the temperature adjustment hole. Due to heat transfer, the hot end releases heat to the outside and transfers it to the air flow, so that the temperature rises. The heated air flow is output from the first end and conveyed to the air supply pipe 32, and is conveyed into the inner cavity of the cabinet body 1 by the air supply pipe 32; and because the air supply pipe 32 is fixedly arranged in the moving block 31, the moving block 31 can move along the walking track 33 driven by the walking component 34, so that the air supply pipe 32 conveys high-temperature air flow into the cabinet body 1 while moving along the length direction of the cabinet body 1, so that the high-temperature air flow can be evenly conveyed into the cabinet body 1 comprehensively; then the temperature adjustment speed of the inner cavity of the cabinet body 1 is increased, and the normal operation of the electrical components inside the box-type substation cabinet is ensured.

[0053] Preferably, as Figure 1 and Figure 3 shown, to ensure the efficiency of the cold end absorbing the heat of the air flow and the efficiency of the hot end transferring heat to the air flow, a sealing ring 4331 is sleeved on the outer periphery of the semiconductor refrigeration sheet 433, and the outer wall of the sealing ring 4331 is fitted with the inner wall of the fixed ring 432, so that when the cold end faces the temperature adjustment hole to absorb heat or the hot end faces the temperature adjustment hole to release heat, it is isolated from the outside.

[0054] Furthermore, as Figure 1 and Figure 2As shown, a second direction Y perpendicular to the first direction X is defined on the horizontal plane; on the second direction Y, walking tracks 33 are respectively provided on both sides of the inner wall of the cover body 2; the walking assembly 34 includes a walking motor 341 and two walking parts 342, and the two walking parts 342 are respectively arranged on both sides of the moving block 31 in the second direction Y;

[0055] The walking part 342 includes a connecting plate 3421, a walking wheel 3422, and a rotating rod 3423; the connecting plate 3421 is fixedly connected to one side surface of the moving block 31, and a walking groove 3420 is formed in the surface of the connecting plate 3421 facing away from the moving block 31; the rotating rod 3423 is arranged vertically, the rotating rod 3423 passes through the walking groove and is rotatably connected to the connecting plate 3421; the walking wheel 3422 is horizontally arranged in the walking groove 3420 and is fixedly connected to the rotating rod 3423; the walking wheel 3422 is slidably connected to the walking track 33; the walking motor 341 is connected to the connecting plate 3421 in one of the walking parts 342, and the output end of the walking motor 341 is fixedly connected to the rotating rod 3423 for driving the rotating rod 3423 to rotate. By driving the rotating rod 3423 to rotate through the walking motor 341, the walking wheel 3422 is driven to rotate, so as to walk in the walking track 33, thereby driving the moving block 31 to move along the walking track 33.

[0056] Further, as Figure 1 and Figure 2 shown, the walking air supply mechanism 3 further includes a PLC controller 35 and a limit contact 36; limit contacts 36 are provided at both ends of the walking track 33 in the first direction X;

[0057] The walking motor 341 and the limit contact 36 are respectively electrically connected to the PLC controller 35;

[0058] Wherein, when the walking wheel 3422 moves to the end of the walking track 33 and contacts the limit contact 36, the limit contact 36 sends a squeezing signal to the PLC controller 35, and the PLC controller 35 receives the squeezing signal and controls the walking motor 341 to reverse, so as to drive the walking wheel 3422 to move in the reverse direction. Thus, through the cooperation of the PLC controller 35, the limit contact 36 and the walking motor 341, when the moving block 31 moves to the end, it can move in the reverse direction by itself, so that through the reciprocating movement of the moving block 31 in the first direction, the air supply pipe 32 can send the low-temperature air flow and the high-temperature air flow to the inner cavity of the cabinet body 1 comprehensively and evenly.

[0059] Further, as Figure 1 、 Figure 3 andFigure 4 As shown, the temperature adjustment pipe 41 includes a first vertical pipe 411, a second vertical pipe 412, and a third vertical pipe 413 that are connected in sequence from top to bottom; the second vertical pipe 412 is detachably connected to the first vertical pipe 411 and the third vertical pipe 413 respectively, and a moisture-absorbing cotton 4121 is provided on the inner wall of the second vertical pipe 412; when the temperature in the inner cavity of the cabinet body 1 is relatively high, it is usually accompanied by relatively high humidity. Therefore, it is necessary to reduce the humidity of the air flow in the temperature adjustment pipe 41. The moisture in the air flow can be absorbed by setting the moisture-absorbing cotton 4121 in the temperature adjustment pipe. However, since the adsorption capacity of the moisture-absorbing cotton 4121 is limited, it needs to be replaced regularly. Therefore, the temperature adjustment pipe 41 is set as the first vertical pipe 411, the second vertical pipe 412, and the third vertical pipe 413, and the second vertical pipe 412 is detachably connected to the first vertical pipe 411 and the third vertical pipe 413 respectively, so as to remove the second vertical pipe 412 from between the first vertical pipe 411 and the third vertical pipe 413 for replacing the moisture-absorbing cotton 4121. The top of the first vertical pipe 411 has the first end, and the bottom of the third vertical pipe 413 has the second end; the circulation pump 42 is installed on the third vertical pipe 413, and a temperature adjustment hole is provided on the side wall of the second vertical pipe 412 to realize the specific settings of the first end, the second end, the circulation pump 42, and the temperature adjustment hole.

[0060] Further, as Figure 1 and Figure 3 shown, turning rods 4332 are fixedly provided on both sides of the semiconductor refrigeration sheet 433 respectively. The turning rods 4332 are rotatably connected to the fixing ring 432, and at least part of the turning rods 4332 protrude out of the outer wall of the fixing ring 432; the switching part 431 includes an electric push rod 4311, a rack 4312, and a gear 4313; a gear 4313 is fixedly connected to one of the turning rods 4332; the turning rod 4332 and the gear 4313 are coaxially arranged, and the electric push rod 4311 and the rack 4312 extend along the axial direction of the fixing ring 432; the electric push rod 4311 is connected to the second vertical pipe 412, the output end of the electric push rod 4311 is fixedly connected to the rack 4312, and the rack 4312 is meshed with the gear 4313. By driving the rack 4312 to move through the electric push rod 4311, the gear 4313 meshed with the rack 4312 rotates, thereby driving the semiconductor refrigeration sheet 433 to rotate, so that the cold end or the hot end is located in the second vertical pipe 412, and then the air flow can be cooled or heated.

[0061] Further, as Figure 1 and Figure 3As shown, the temperature adjustment mechanism 4 further includes a sealed connection assembly 44. Both ends of the second vertical pipe 412 are connected with the sealed connection assembly 44. The sealed connection assembly 44 includes a sealed pipe 441 and a limit pipe 442. The sealed pipe 441 is sleeved on the outer periphery of the limit pipe 442, and the limit pipe 442 is connected with the second vertical pipe 412. A net 4421 is provided at one end of the two limit pipes 442 facing each other, so as to block sundries in the air flow through the net 4421 and prevent blockage of the pipeline.

[0062] The sealed pipe 441 is made of an elastic material. One end of the two sealed pipes 441 away from the second vertical pipe 412 is respectively sealed and inserted into the first vertical pipe 411 and the third vertical pipe 413. Through the sealed pipe 441, the detachable connection between the second vertical pipe 412 and the first vertical pipe 411 and the third vertical pipe 413 is realized while the sealed connection is realized, so as to ensure the stable flow of air in the pipeline.

[0063] Further, as Figure 1 and Figure 3 shown, the sealed connection assembly 44 further includes a guiding part 443. The guiding part 443 includes a guiding plate 4431, a guiding block 4432 and a spring 4433. The guiding plate 4431 is fixedly connected to the outer wall of the limit pipe 442 and extends along the axial direction of the limit pipe 442. A guiding groove 4430 extending along the axial direction of the limit pipe 442 is formed in the guiding plate 4431. The guiding block 4432 is fixedly provided on the outer wall of the sealed pipe 441. The guiding block 4432 slidably penetrates through the guiding groove 4430 and is connected to the inner wall of the guiding groove 4430 through the spring 4433. When the sealed pipe 441 is removed from the first vertical pipe 411 and the third vertical pipe 413, the sealed pipe 441 is pressed, and under the cooperation of the guiding block 4432 and the guiding groove 4430, it moves along the axial direction of the limit pipe 442 to approach the second vertical pipe 412, so as to be removed from the first vertical pipe 411 and the third vertical pipe 413.

[0064] Further, as Figure 1 、 Figure 3 and Figure 4 shown, an external thread is provided on the outer wall of one end of the limit pipe 442 close to the second vertical pipe 412, and the limit pipe 442 is screwed to the second vertical pipe 412. It is convenient for the connection between the limit pipe 442 and the second vertical pipe 412, and then it is convenient to remove the limit pipe 442 from the second vertical pipe 412 for replacing the moisture absorption cotton 4121.

[0065] Further, as Figure 1 and Figure 3As shown, for the convenience of replacing the moisture-absorbing cotton 4121; the temperature adjustment mechanism 4 further includes a rotating assembly 45; the rotating assembly 45 includes a fixed rod 451 and a sleeve 452. The fixed rod 451 is horizontally arranged, one end of the fixed rod 451 is fixedly connected to the outer surface of the cabinet body 1, and the other side extends away from the cabinet body 1; one end of the sleeve 452 is rotatably sleeved on the end of the fixed rod 451 away from the cabinet body 1, and the other end of the sleeve 452 is fixedly connected to the outer wall of the second vertical pipe 412. So that the second vertical pipe 412 can be rotated by rotating the sleeve 452.

[0066] Preferably, as Figure 1 shown, the temperature adjustment mechanism 4 further includes a diversion pipe 46. The first vertical pipe 411 is connected to the inlet of the air supply pipe 32 through the diversion pipe 46; the diversion pipe 46 passes through the upper surface of the cover body 2 from top to bottom and then is connected to the air supply pipe 32. So that after the cover body 2 covers the first opening, a sealed space is formed in the inner cavity of the cabinet body 1 to ensure the heating or cooling efficiency.

[0067] Preferably, as Figure 1 shown, a connecting ring 4111 is fixedly provided on the outer surface of the cover body. The first vertical pipe 411 passes through the connecting ring 4111 to improve the overall stability of the temperature adjustment mechanism 4.

[0068] The working process of the present invention is as follows:

[0069] The inner cavity temperature of the cabinet body 1 is detected by the temperature sensor 21.

[0070] When the temperature inside the cavity is relatively high, usually accompanied by a relatively high humidity inside the cavity, start the electric push rod 4311, drive the rack 4312 to move to drive the gear 4313 to rotate, so that the semiconductor refrigeration sheet 433 rotates, so that the cold end is located in the second vertical pipe 412. Start the circulation pump 42, extract the air inside the cavity and transport it to the first end. The cold end absorbs the heat in the air flow flowing through the second vertical pipe 412, and the moisture in the air flow is absorbed by the moisture-absorbing cotton 4121. The air flow after cooling and moisture absorption sequentially passes through the first vertical pipe 411, the diversion pipe 46 and the air supply pipe 32, and is transported into the cavity of the cabinet 1; and while the air supply pipe 32 supplies air to the cabinet 1, the traveling motor 341 is started, drives the rotating rod 3423 to rotate, drives the traveling wheel 3422 to rotate, thereby driving the moving block 31 to move along the traveling track 33, so that the low-temperature and dry air flow can be sent to all parts of the cavity comprehensively and evenly; when the traveling wheel 3422 moves to the end of the traveling track 33, it contacts the limit contact 36, and the limit contact 36 sends a squeezing signal to the PLC controller 35. The PLC controller 35 receives the squeezing signal and controls the traveling motor 341 to reverse, so as to drive the traveling wheel 3422 to rotate in the reverse direction, and then drive the moving block 31 to move in the reverse direction.

[0071] When the temperature inside the cavity is relatively low, start the electric push rod 4311, drive the rack 4312 to move to drive the gear 4313 to rotate, so that the semiconductor refrigeration sheet 433 rotates, so that the hot end is located in the second vertical pipe 412. Start the circulation pump 42, extract the air inside the cavity and transport it to the first end. The hot end releases heat to increase the temperature of the air flow flowing through the second vertical pipe 412. The heated air flow sequentially passes through the first vertical pipe 411, the diversion pipe 46 and the air supply pipe 32, and is transported into the cavity of the cabinet 1; and while the air supply pipe 32 supplies air to the cabinet 1, the traveling motor 341 is started, drives the rotating rod 3423 to rotate, drives the traveling wheel 3422 to rotate, thereby driving the moving block 31 to move along the traveling track 33, so that the high-temperature air flow can be sent to all parts of the cavity comprehensively and evenly; when the traveling wheel 3422 moves to the end of the traveling track 33, it contacts the limit contact 36, and the limit contact 36 sends a squeezing signal to the PLC controller 35. The PLC controller 35 receives the squeezing signal and controls the traveling motor 341 to reverse, so as to drive the traveling wheel 3422 to rotate in the reverse direction, and then drive the moving block 31 to move in the reverse direction.

[0072] When it is necessary to replace the moisture-absorbing cotton 4121 in the second vertical pipe 412, squeeze the sealing pipe 441 in the direction close to the second vertical pipe 412. The guiding block 4432 moves along the extending direction of the guiding groove 4430, so that the sealing pipe 441 disengages from the first vertical pipe 411 and the third vertical pipe 413. Rotate the sleeve 452 to make the second vertical pipe 412 horizontal, and screw off the limiting pipe 442 from both ends of the second vertical pipe 412 to replace the moisture-absorbing cotton 4121.

[0073] In summary, the embodiment of the present invention provides an outdoor box-type substation cabinet 100, which includes a cabinet body 1, a cover body 2, a walking air supply mechanism 3 and a temperature regulating mechanism 4; the temperature sensor 21 provided on the inner wall of the cover body 2 detects the temperature of the inner cavity of the cabinet body 1; when the temperature is relatively high, the switching part 431 drives the semiconductor refrigeration sheet 433 to rotate, and makes the cold end face the temperature regulating hole; the circulation pump 42 of the temperature regulating pipe 41 extracts the air in the inner cavity of the cabinet body 1 and conveys it to the first end. During the conveying process of the air flow to the first end, it passes through the temperature regulating hole. Due to heat transfer, the heat of the air flow is absorbed by the cold end, so the temperature drops. The cooled air flow is output from the first end and conveyed to the air supply pipe 32, and is conveyed from the air supply pipe 32 to the inner cavity of the cabinet body 1; and because the air supply pipe 32 is fixedly arranged in the moving block 31, the moving block 31 can move along the walking track 33 driven by the walking component 34. Therefore, the air supply pipe 32 conveys the low-temperature air flow into the cabinet body 1 while moving along the length direction of the cabinet body 1, so that the low-temperature air flow can be comprehensively and evenly conveyed into the cabinet body 1; similarly, when the temperature is relatively low, the switching part 431 drives the semiconductor refrigeration sheet 433 to rotate, and makes the hot end face the temperature regulating hole; the circulation pump 42 of the temperature regulating pipe 41 extracts the air in the inner cavity of the cabinet body 1 and conveys it to the first end. During the conveying process of the air flow to the first end, it passes through the temperature regulating hole. Due to heat transfer, the hot end releases heat to the outside and transfers it to the air flow, so the temperature rises. The heated air flow is output from the first end and conveyed to the air supply pipe 32, and is conveyed from the air supply pipe 32 to the inner cavity of the cabinet body 1; and because the air supply pipe 32 is fixedly arranged in the moving block 31, the moving block 31 can move along the walking track 33 driven by the walking component 34. Therefore, the air supply pipe 32 conveys the high-temperature air flow into the cabinet body 1 while moving along the length direction of the cabinet body 1, so that the high-temperature air flow can be comprehensively and evenly conveyed into the cabinet body 1; then the temperature regulation speed of the inner cavity of the cabinet body 1 is improved, and the normal operation of the electrical components inside the box-type substation cabinet is ensured.

[0074] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and replacements can still be made, and these improvements and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An outdoor box-type power distribution cabinet, characterized in that, Comprising: A cabinet body, an inner cavity is provided in the cabinet body, a first opening is provided at the top of the cabinet body, an air outlet is provided at the bottom of the cabinet body, and both the first opening and the air outlet are communicated with the inner cavity; define the length direction of the cabinet body as the first direction; A cover body, the cover body is arranged above the cabinet body and covers the first opening, and a temperature sensor is provided on the inner wall of the cover body; A walking air supply mechanism, the walking air supply mechanism is arranged in the cover body; the walking air supply mechanism includes a moving block, an air supply pipe, a walking track and a walking component; the walking track extends along the first direction and is fixedly connected to the inner wall of the cover body, the moving block is movably connected to the walking track through the walking component, and the walking component is used to drive the moving block to move along the walking track; the air supply pipe is fixedly arranged through the moving block, and the outlet of the air supply pipe faces the inner cavity; A temperature regulating mechanism, the temperature regulating mechanism includes a temperature regulating pipe, a circulating pump and a cold and hot switching component; the temperature regulating pipe is vertically arranged and connected to the outer surface of the cabinet body; the temperature regulating pipe includes a first end located above and a second end located below, the first end is connected to the inlet of the air supply pipe through a pipeline, and the second end is connected to the air outlet; the circulating pump is installed at the lower part of the temperature regulating pipe for extracting the air in the inner cavity and conveying it to the first end; the cold and hot switching component is arranged above the circulating pump, and the cold and hot switching component includes a switching part, a fixing ring and a semiconductor refrigeration sheet; a temperature regulating hole penetrating the inner and outer surfaces is provided on the side wall of the temperature regulating pipe, the fixing ring is fixedly connected to the temperature regulating hole, and the semiconductor refrigeration sheet is rotatably connected to the fixing ring; the two opposite side surfaces on the semiconductor refrigeration sheet are respectively a cold end for absorbing heat and a hot end for releasing heat; the switching part is connected to the semiconductor refrigeration sheet for driving the semiconductor refrigeration sheet to rotate so that the cold end or the hot end is located in the temperature regulating pipe.

2. The outdoor box-type power distribution cabinet according to claim 1, wherein Define a second direction perpendicular to the first direction on the horizontal plane; On the second direction, the walking tracks are respectively provided on both sides of the inner wall of the cover body; The walking component includes a walking motor and two walking parts, and the two walking parts are respectively arranged on both sides of the moving block in the second direction; The walking part includes a connecting plate, a walking wheel and a rotating rod; the connecting plate is fixedly connected to one side surface of the moving block, and a walking groove is provided on the surface of the connecting plate facing away from the moving block; the rotating rod is vertically arranged, the rotating rod penetrates through the walking groove and is rotatably connected to the connecting plate; the walking wheel is horizontally arranged in the walking groove and fixedly connected to the rotating rod; the walking wheel is slidably connected to the walking track; The walking motor is connected to the connecting plate in one of the walking parts, and the output end of the walking motor is fixedly connected to the rotating rod for driving the rotating rod to rotate.

3. The outdoor box-type power distribution cabinet according to claim 2, wherein, The walking air supply mechanism further includes a PLC controller and a limit contact; The limit contacts are provided at both ends of the walking track in the first direction; The walking motor and the limit contact are respectively electrically connected to the PLC controller; Wherein, when the walking wheel moves to the end of the walking track and contacts the limit contact, the limit contact sends a squeezing signal to the PLC controller, and the PLC controller receives the squeezing signal and controls the walking motor to reverse, so as to drive the walking wheel to move in the reverse direction.

4. The outdoor box-type power distribution cabinet according to claim 1, characterized in that, The temperature adjustment tube includes a first vertical tube, a second vertical tube, and a third vertical tube that are sequentially connected in communication from top to bottom; The second vertical tube is detachably connected to the first vertical tube and the third vertical tube respectively, and a moisture-absorbing cotton is provided on the inner wall of the second vertical tube; The top of the first vertical tube has the first end, and the bottom of the third vertical tube has the second end; the circulation pump is installed in the third vertical tube, and a temperature adjustment hole is opened on the side wall of the second vertical tube.

5. The outdoor box-type power distribution cabinet according to claim 4, wherein, Flip rods are respectively fixed on both sides of the semiconductor refrigeration sheet, the flip rods are rotatably connected to the fixed ring, and at least part of the flip rods are arranged to extend out of the outer wall of the fixed ring; The switching part includes an electric push rod, a rack, and a gear; One of the flip rods is fixedly connected with the gear; the flip rod and the gear are coaxially arranged, and the electric push rod and the rack extend along the axial direction of the fixed ring; The electric push rod is connected to the second vertical tube, the output end of the electric push rod is fixedly connected to the rack, and the rack is meshed with the gear.

6. The outdoor box-type power distribution cabinet according to claim 4, wherein, The temperature adjustment mechanism further includes a sealing connection assembly, and the sealing connection assembly is connected to both ends of the second vertical tube; The sealing connection assembly includes a sealing tube and a limit tube; the sealing tube is sleeved on the outer periphery of the limit tube, and the limit tube is connected to the second vertical tube; a net is provided at one end of the two limit tubes facing each other; The sealing tube is made of an elastic material; one end of the two sealing tubes away from the second vertical tube is respectively sealed and inserted into the first vertical tube and the third vertical tube.

7. The outdoor box-type power distribution cabinet according to claim 6, wherein The sealing connection assembly further includes a guiding part; The guiding part includes a guiding plate, a guiding block, and a spring; The guiding plate is fixedly connected to the outer wall of the limit tube and extends along the axial direction of the limit tube, and a guiding groove extending along the axial direction of the limit tube is opened in the guiding plate; The guiding block is fixedly provided on the outer wall of the sealing tube, the guiding block slidably penetrates through the guiding groove, and is connected to the inner wall of the guiding groove through the spring.

8. The outdoor box-type power distribution cabinet according to claim 6, characterized in that, The outer wall of the limit tube near one end of the second vertical tube is provided with an external thread, and the limit tube is screwed to the second vertical tube.

9. The outdoor box-type power distribution cabinet according to claim 4, characterized in that, The temperature adjustment mechanism further includes a rotating assembly; The rotating assembly includes a fixed rod and a sleeve, the fixed rod is horizontally arranged, one end of the fixed rod is fixedly connected to the outer surface of the cabinet body, and the other side extends away from the cabinet body; One end of the sleeve is rotatably sleeved on the end of the fixed rod away from the cabinet body, and the other end of the sleeve is fixedly connected to the outer wall of the second vertical tube.

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