CN108320890B - Transformer distribution box - Google Patents
Transformer distribution box Download PDFInfo
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- CN108320890B CN108320890B CN201711251831.6A CN201711251831A CN108320890B CN 108320890 B CN108320890 B CN 108320890B CN 201711251831 A CN201711251831 A CN 201711251831A CN 108320890 B CN108320890 B CN 108320890B
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- 238000004804 winding Methods 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 35
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- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
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- 210000001503 joint Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the field of low-voltage distribution research and development design, in particular to a transformer distribution box, which adopts the following technical scheme: including the transformer cabinet body of adjacent setting, the distribution cabinet body, set up low voltage winding in the transformer cabinet body, high voltage winding and setting are located the crossflow cooling blower of low voltage winding bottom department, it sets up the bearing support to correspond every group high voltage winding or low voltage winding in low voltage winding and high voltage winding bottom department, the equidistant partition of bearing support sets up, crossflow cooling blower arranges in one side that the bearing support is close to corresponding high voltage winding or low voltage winding, crossflow cooling blower passes through support slider slidable mounting on the spout of bearing support, crossflow cooling blower arranges in the backup pad of support slider top department, the bearing support extends to and is close transformer cabinet internal wall department, temperature controller control connects foretell crossflow cooling blower and starts or closes, the advantage of the invention lies in: the transformer is high in overall safety performance, easy to maintain and convenient to operate, and the safety of maintenance personnel is improved.
Description
Technical Field
The invention relates to the field of low-voltage distribution research and development design, in particular to a transformer distribution box.
Background
Distribution transformer's block terminal generally sets up adjacent with the transformer, and for enterprise or power supply user as main distribution equipment, be a very important power transmission and distribution equipment, current outdoor power supply block terminal, the structure is complicated, and it is very inconvenient to maintain, and the security is whole lower, can't satisfy the demand of enterprise.
Disclosure of Invention
The invention aims to provide a transformer distribution box, and particularly provides a transformer distribution box with high intrinsic safety.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a transformer distribution box, the transformer cabinet body including adjacent setting, the distribution cabinet body, the internal low voltage winding that sets up of transformer cabinet, high voltage winding and setting are located the crossflow cooling blower of low voltage winding bottom department, correspond every group high voltage winding or low voltage winding and set up the bearing support in locating low voltage winding and high voltage winding bottom department, the equidistant setting of separating of bearing support, crossflow cooling blower arranges the bearing support in and is close to one side of corresponding high voltage winding or low voltage winding, its characterized in that: the crossflow cooling fan is slidably mounted on a sliding groove of the bearing support through a sliding block, the crossflow cooling fan is arranged on a supporting plate at the top of the sliding block, the bearing support extends to a position close to the inner wall of the transformer cabinet, and the temperature controller is connected with the crossflow cooling fan in a control mode to be started or closed.
Furthermore, a slide block guide shaft which penetrates through two sides of the slide block and is parallel to the bearing support is arranged at the bottom of the slide block.
Furthermore, an end cover is arranged on one side of the bearing support far away from the correspondingly cooled low-voltage winding and the correspondingly cooled high-voltage winding, a return spring is arranged between the end cover and the sliding block, and the return spring is sleeved on the sliding block guide shaft.
Furthermore, the bearing support is provided with an auxiliary air supply cavity at the position, close to the corresponding low-voltage winding and high-voltage winding, of the cross-flow cooling fan, one end of an air supply pipe at one side of the end cover penetrates through the slide block guide shaft and extends to one side of the auxiliary air supply cavity, and a filter screen is arranged at the top of the auxiliary air supply cavity.
Furthermore, a linear transmission mechanism for transmitting the slide block to move back and forth between the end cover and the auxiliary air supply cavity is arranged at the top of the bearing support.
Furthermore, a roller lead screw is arranged at the top of the slide block guide shaft, a rotating shaft bracket matched with the roller lead screw is arranged at two ends of the roller lead screw, a thread matched with the roller lead screw is arranged at the slide block between the support plate and the bearing support, and a roller lead screw rotating mechanism for driving the roller lead screw to rotate is further arranged.
Further, the roller screw rotating mechanism comprises a rotating disk in transmission connection with the roller screw, or a speed reducer driven by a servo motor or a stepping motor.
Furthermore, a power supply plug which is matched with the cross-flow cooling fan is arranged at the top of the bearing support, and the power supply plug is electrically connected with the temperature controller through an electric lead.
Preferably, the air supply pipe is communicated with an air outlet of an auxiliary air supply blower arranged outside the transformer cabinet body.
Preferably, a first rubber gasket layer is arranged between the bottom of the bearing support and the plane support plate, and a second rubber gasket layer is arranged between the cross-flow cooling fan and the support plate.
The invention has the advantages that: the transformer is high in overall safety performance, easy to maintain and convenient to operate, and the safety of maintenance personnel is improved.
Drawings
FIG. 1 is a front view structural diagram of a transformer distribution box of embodiments 1-4;
figure 2 is a diagram of a supporting bracket structure of a transformer distribution box of examples 1-4;
fig. 3 is a structure diagram of an outgoing line control switch of the transformer distribution box of embodiments 1-4;
FIG. 4 is a side plate perspective view of the distribution box of the transformer of examples 1 to 4;
fig. 5 is a perspective view of a second frame of the transformer distribution box of examples 1-4;
FIG. 6 is a perspective view of a circular frame of the distribution box of the transformer of examples 1-4;
fig. 7 is a circuit connection structure diagram of the distribution box of the transformer of embodiments 1 to 4.
Detailed Description
Example 1: referring to fig. 1-7, a transformer distribution box, including outer box 1, the transformer cabinet 11 of adjacent setting, distribution cabinet 12, set up transformer main body 111 in the transformer cabinet 11, transformer main body 111 is including setting up low voltage winding, high voltage winding and setting up the crossflow cooling blower 200 that is located low voltage winding bottom department, it sets up bearing support 2 to correspond every group high voltage winding or low voltage winding in low voltage winding and high voltage winding bottom department, bearing support 2 is equidistant to separate the setting, crossflow cooling blower 200 is arranged in one side that bearing support 2 is close to corresponding high voltage winding or low voltage winding.
In a further improvement, a slider guide shaft 213 is disposed at the bottom of the bracket slider 210 and penetrates both sides of the bracket slider 210 and is parallel to the supporting bracket 2, an end cap is disposed at a side of the supporting bracket 2 away from the correspondingly cooled low-voltage winding and high-voltage winding, a return spring 214 is disposed between the end cap 212 and the bracket slider 210, and the return spring 214 is sleeved on the slider guide shaft 213.
In the embodiment, the purpose of the slider guide shaft 213 is to enhance the guiding function for the movement of the cradle slider 210, and the return spring 214 can enhance a return acting force, and can maintain the connection stability when used with the power plug 250, thereby reducing the problem of electric arc or poor contact caused by the loose plug 250.
In order to further improve the cooling effect of the cross-flow cooling fan 200 or the whole cooling effect thereof, an auxiliary air supply cavity 230 is arranged at the position, close to the corresponding low-voltage winding and high-voltage winding, of the supporting bracket 2, one end of an air supply pipe 231, located at one side of the end cover 212, extends towards one side of the auxiliary air supply cavity 230 through the slider guide shaft 213, a filter screen 235 is arranged at the top of the auxiliary air supply cavity 230, and the corresponding mesh of the filter screen 235 is required to be thinned as much as possible and made of an insulating material.
In order to further drive the cross-flow cooling fan 200 to move away from the corresponding high-voltage winding or low-voltage winding, a linear transmission mechanism for driving the support slider 210 to reciprocate between the end cover 212 and the auxiliary air supply cavity 230 is arranged at the top of the support 2, the linear transmission mechanism comprises a roller screw rod 241 arranged at the top of the slider guide shaft 213, two ends of the roller screw rod 241 are provided with a rotating shaft bracket 242 matched with the roller screw rod 241, a screw thread matched with the roller screw rod 241 is arranged at the support slider 210 between the support plate 211 and the support 211, a roller screw rod rotating mechanism 240 for driving the roller screw rod 241 to rotate is further arranged, and the roller screw rod rotating mechanism 240 comprises a rotating disk in transmission connection with the roller screw rod, or a servo motor or a speed reducer driven by a stepping motor.
Relatively speaking, the operation space can be further reduced, the limited space in the transformer cabinet body 11 is used for completing the movement of the transformer cabinet body, so that the transformer cabinet body is convenient to move and replace at the later stage, and the linear transmission mechanism can be operated by matching with a corresponding pull rod in a mode of arranging a pull rod shaft hole in the supporting plate.
In a further improvement, a power plug 250 which is matched with the cross-flow cooling fan 200 is arranged at the top of the bearing support 2, the power plug 250 is electrically connected with the temperature controller through an electric lead, and the power plug is specifically used for enabling the power connection mode between the cross-flow cooling fan 200 and the bearing support to be a sliding connection mode, can be realized by adopting a general power plug mode, and specifically, an arc protection cover is arranged at the upper part of the plug 250.
In order to further improve the cooling effect, the above-mentioned air supply pipe 231 is communicated with the air outlet 233 of the auxiliary air supply blower 232 disposed outside the transformer cabinet 11, and further, the air inlet of the auxiliary air supply blower 232 can be communicated with the air outlet 333 of the air dry heat exchanger 330, which can further improve the cooling effect of the transformer compared with the case that continuous hot air is generated in the transformer cabinet 11 due to its use, specifically, the temperature controller should start the auxiliary air supply blower 232 to improve the cooling effect when the high-voltage winding or the low-voltage winding is at a higher temperature, so as to further save energy.
The first rubber gasket layer 261 is arranged between the bottom of the bearing support and the plane support plate, the second rubber gasket layer 262 is arranged between the cross-flow type cooling fan and the plane support plate, the first rubber gasket layer 261 aims to reduce vibration generated in the use process of the cross-flow type cooling fan 200, the second rubber gasket layer 262 aims to reduce vibration generated in the use process of the transformer body 11, and the resonance effect generated in the use process of the transformer body is further reduced through the mutual matching of the first rubber gasket layer 261 and the second rubber gasket layer 262.
Example 2: referring to fig. 1-7, the transformer cabinet body 11 and the distribution cabinet body 12 which are adjacently arranged in the outer box body 1 are included, the distribution cabinet body 12 is composed of a reactive compensation chamber, a main switch chamber and an outgoing line control switch chamber, a bus chamber is arranged at the rear part of the main switch chamber, an incoming line bus is connected with the incoming line side of a main switch through a first incoming line connecting copper plate, the outgoing line side of the main switch is connected with an outgoing line bus arranged at the bottom of the main switch chamber, and a plurality of groups of outgoing line control switches 5 arranged on a switch support are arranged at the bottom of the outgoing line bus.
The outgoing bus is connected with an incoming line connector 511 at the incoming line side of the outgoing line control switch 5, at least one side of one outgoing line control switch 5 is provided with a guide notch 501 and a transmission rod 502 arranged in the guide notch 501, one end of the transmission rod 502, which is positioned at the outgoing line side of the outgoing line control switch 5, is provided with a middle rack 520, the middle rack 520 is provided with a middle connector 521 corresponding to the outgoing line connector 512 of the outgoing line control switch 5, the middle connector 521 is higher or lower than the outgoing line connector 512 of the control switch 5, and a longitudinal transmission mechanism for transmitting the middle rack 520 to move towards one side of the outgoing line connector of the control switch 5 is further arranged.
In a further improvement, the longitudinal transmission mechanism comprises a transmission gear 54 arranged adjacent to the transmission rod 502, the transmission rod 502 is provided with a gear portion 503 engaged with the transmission gear 54, a transmission rod locking device for limiting the transmission rod to move is arranged at the top of the transmission rod 502, the transmission rod locking device comprises a first locking shaft hole 505 and a second locking shaft hole 506 arranged at the top of the transmission rod 502, a locking pin shaft matched with the hole diameter of the first locking shaft hole 505 or the second locking shaft hole 506 is arranged at one side of the transmission rod 502, and the locking pin shaft moves towards the first locking shaft hole 505 and the second locking shaft hole 506 to lock the transmission rod 502 to move.
In a further improvement, the locking pin shaft may be a locking pin shaft driven by a locking lever 508 of the electromagnetic lock 507, a power supply side of the electromagnetic lock 507 is connected to a wire inlet side of the wire outlet control switch 5, a first locking shaft hole 505 and a second locking shaft hole 506 are vertically arranged, the first locking shaft hole 505 is used for locking a position where the middle rack 520 is separated from a wire outlet connector 512 of the wire outlet control switch 5 for the middle joint, and the second locking shaft hole 506 is used for locking a position where the middle rack 520 is separated from the wire outlet connector 512 of the wire outlet control switch 5 for the middle joint 521.
In order to further keep the moving axial direction of the middle frame 520, the head and the tail of the transmission rod 502 are in a semi-circular shaft shape, the top and the bottom of the transmission rod are provided with limit shaft holes 504 which are matched with the shapes of the head and the tail of the transmission rod, the height of the limit shaft holes 504 can be correspondingly configured according to the longitudinal moving distance of the middle frame 520 and the length of the transmission rod 502, and the middle joint 521 is provided with a convex shaft core hanging part which is convenient for hanging cable lugs.
In a further improvement, the distance between the middle joint 521 and the outgoing line joint 512 of the outgoing line control switch 5 is further conveniently adjusted, a hexagon socket 541 is arranged in the center of the transmission gear 54 and/or a servo motor for driving the transmission gear to rotate is arranged on the side of the transmission gear, specifically, the transmission rod 502 is arranged on one side of the two sides of the outgoing line control switch 5, and the transmission rod 502 is arranged on one side of the two sides of the outgoing line control switch 5 in a whole semicircular shaft manner parallel to the transmission rod 502, and specifically, the corresponding configuration can be carried out according to the requirement.
In order to further improve the guiding and clamping fixing of the wire rod and facilitate the quick and convenient maintenance and replacement, an elastic clamping opening 522 matched with the shape of the wire rod is arranged on the middle rack 520, the elastic clamping opening 522 is a clamping opening part formed by elastic blocks on two sides matched with the shape of the wire rod, a guiding threading hole 523 is arranged at the bottom of a middle joint of the middle rack, the guiding threading hole 523 is arranged on a bottom bracket, and the bottoms of the transmission rods 502 on two sides are connected with the bottom bracket.
Preferably, an insulating glass protecting frame 530 is disposed at the outgoing line side of the outgoing line control switch 5, the insulating glass protecting frame 530 is detachably mounted between the outgoing line connector 512 of the outgoing line control switch 5 and the middle frame 520, and a fixing screw hole is disposed at the position of the insulating glass protecting frame 530 corresponding to the outgoing line connector of the outgoing line control switch, so as to isolate an isolation space between an operator and the outgoing line connector of the outgoing line control switch.
In the embodiment, the operating hands of the maintenance personnel can be relatively close to the position of the outgoing line joint of the outgoing line control switch, so that the operation safety of the maintenance personnel is further kept, and the overall safety of the maintenance personnel is improved.
Example 3: referring to fig. 1-7, a transformer distribution box comprises a transformer cabinet body 11 and a distribution cabinet body 12 which are adjacently arranged in an outer box 1, wherein a light pollution blocking layer 3 is arranged on a side plate of the outer box 1, the light pollution blocking layer 3 is formed by a plurality of groups of transverse grooves 302 which are arranged in a square first frame 301 at equal intervals, transverse supporting rods 311 slightly smaller than the diameter of the transverse grooves 302 are arranged, the transverse supporting rods 311 are arranged in a square second frame 311 corresponding to the transverse grooves, the diameter of the second frame 311 is larger than that of the first frame 301 and surrounds the first frame 301, and the transverse supporting rods 311 of the second frame 311 can be embedded in the transverse grooves 302 of the first frame 301 corresponding to the transverse supporting rods 311.
The inner side of the outer box 1 is provided with a top rod and a guide shaft hole 310 matched with the top rod corresponding to the four ends of the second frame 311, the four ends of the second frame 311 are provided with a top rod shaft sleeve 314 with an opening at one end and a bottom at the other end, the top rod is in driving connection with the top rod shaft sleeve 314, a sealing rubber sleeve or a spiral compression sleeve is arranged between the guide shaft hole 310 and the top rod shaft sleeve 314, and a raised cutting part 303 is arranged between the other side of the transverse supporting rod 311 opposite to the outer box 1 or the adjacent transverse groove 302.
In a further improvement, the transverse groove 302 is recessed from both ends thereof to a middle position thereof, one side of the transverse strut 311 opposite to the outer box 1 is wrapped with a rubber layer, a flow guide pipe 304 is arranged at the middle position of the transverse groove 302, the flow guide pipe 304 is connected with a water collecting tank through a middle water pipe 321, the transverse groove 302 extends inwards from top to bottom, and an angle of an inclined surface thereof is 2-5 °.
In order to realize that the second frame 311 can be automatically separated from the first frame 301, two sets of first electric push rods 315 are arranged corresponding to the push rods on the two sides of the upper portion of the second frame 311, the two sets of first electric push rods 315 respectively drive the push rods connected with the two sides to drive and output towards the outer edge of the outer box body 1, two sets of second electric push rods 316 are arranged corresponding to the push rods on the two sides of the lower portion of the second frame 311, the two sets of second electric push rods 316 respectively drive the push rods connected with the two sides to drive and output towards the outer edge of the outer box body 1, the first electric push rods 315 respectively corresponding to the push rods on the two sides of the upper portion of the second frame 311 are respectively driven synchronously, and the second electric push rods 316 respectively corresponding.
In a further modification, the jack sleeve 314 is rotatably mounted on the second frame 311 by a sleeve rotating shaft, and in this embodiment, when applied outdoors, the purpose is to keep the different opening angle of the second frame 311 by driving either the first electric push rod 315 or the second electric push rod 316 on the upper part, to realize the tilt opening, the third frame and the fourth frame can be installed on the top surface of the transformer cabinet 11 to separate the angle of the partition at different sunshine time, specifically, the surface of the transverse support bar 311 can be covered with a solar charging panel to cooperate with a solar charging control circuit and a storage battery, the solar charging panel, the solar charging control circuit and the storage battery are connected to be used as a power supply for maintenance in power failure, and the first electric push rod 315 or the second electric push rod 316 is controlled by the controller to be driven in different modes in different time intervals.
The intermediate water tank 320 is communicated with the gas dry heat exchange water tank 330, a drain control valve 323 is arranged between the intermediate water tank 320 and the gas dry heat exchange water tank 330, an overflow hole 322 is arranged at the top of the intermediate water tank 320, the intermediate water tank and the gas dry heat exchange water tank 330 can be arranged at the outer side of the outer box body 1, the gas dry heat exchange water tank 330 comprises a heat exchange air pipe 334, the heat exchange air pipe 334 is spirally distributed at the inner side of the gas dry heat exchange water tank 330, an air inlet pipe 332 and an air outlet pipe 333 are arranged at the side part of the heat exchange air pipe, an exhaust valve 331 is arranged at the bottom of the gas dry heat exchange water tank 330, and the dry heat.
In this embodiment, the gas dry heat exchange water tank 330 may further exchange heat for the hot air at the outer edge of the transformer cabinet 11 through the heat exchange air pipe to obtain relatively low air to be introduced into the air inlet 234 of the subsequent auxiliary blower 232, so as to further improve the cooling effect of the subsequent transformer.
Example 4: referring to fig. 1 to 7, a circular frame 400 is disposed on a side plate 4 of the transformer cabinet 11 with respect to the transformer main body 111, a circular projection LED lamp 402 is disposed on one side of the circular frame 400 with respect to the transformer main body 111, the arc projection LED lamp is disposed with respect to an outer edge of the circular frame 400, and a plurality of sets of arc grating detection sensors 403 and infrared temperature measurement sensors 404 are disposed on an inner edge of the circular projection LED lamp 402.
The circular frame 400 transversely slides on the transformer cabinet side slide rail 420 through the circular frame slide block 401, the control display 410 is positioned on the transformer cabinet body 1 side, and the infrared distance measuring sensor 405 for detecting the position of the transformer main body is arranged at the bottom of the circular frame 400.
The control display 410 is respectively connected with the annular projection LED lamp, the arc-shaped grating detection sensor 403, the infrared temperature measurement sensor 404 and the infrared distance measurement sensor 405 in a control manner, and the control display 410 can display analog data read by the arc-shaped grating detection sensor 403, the infrared temperature measurement sensor 404 and the infrared distance measurement sensor 405 and feed the analog data back to the control display 410 for display or alarm.
In this embodiment, the diameter of the annular projection LED lamp 402 should be larger than the safety distance of the transformer body 11, that is, outside the range of 0.7m in diameter of the transformer body 11, for the purpose of determining that the distance exceeds the safety distance when the maintenance personnel approach the projection range, the arc-shaped grating detection sensor 403 may detect that an object is inserted into the detection range to alarm the subsequent control display 410, and the infrared distance measurement sensor 405 may be set in a group corresponding to the two sides of the winding on the high-voltage side and the low-voltage side, detect the temperature in real time, send the analog data to the control display, and control the display to alarm the sound alarm module.
In the above embodiment, the horizontal support rod and the horizontal groove are made of wood materials and are installed outdoors, especially on a highway, so that the light pollution can be prevented to a certain extent, the adhesion of small advertisements can be further prevented, the large small advertisements can be automatically removed, the use safety of the large advertisements is further improved, and rainwater in the using process can be further collected and utilized.
In each of examples 1, 2, 3, and 4, the structures thereof can be used in cooperation with each other, and are not limited thereto.
It should be understood that the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes in the principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a transformer distribution box, the transformer cabinet body including adjacent setting, the distribution cabinet body, the internal low voltage winding that sets up of transformer cabinet, high voltage winding and setting are located the crossflow cooling blower of low voltage winding bottom department, correspond every group high voltage winding or low voltage winding and set up the bearing support in locating low voltage winding and high voltage winding bottom department, the equidistant setting of separating of bearing support, crossflow cooling blower arranges the bearing support in and is close to one side of corresponding high voltage winding or low voltage winding, its characterized in that: the lateral flow type cooling fan is arranged on a sliding groove of a bearing support through a support sliding block in a sliding mode, the lateral flow type cooling fan is arranged on a supporting plate at the top of the support sliding block, the bearing support extends to a position close to the inner wall of a transformer cabinet body, a temperature controller controls and connects the lateral flow type cooling fan to be started or closed, the lateral plate of the outer box body is provided with a plurality of groups of lateral grooves, the lateral grooves are arranged in a square first frame at equal intervals, lateral supporting rods are arranged in a square second frame corresponding to the lateral grooves, the diameter of the second frame is larger than that of the first frame and surrounds the first frame, ejector rods and guide shaft holes matched with the ejector rods are arranged on the inner side of the outer box body corresponding to four ends of the second frame, ejector rod shaft sleeves with openings at one ends and bottoms at the other ends are arranged on the four ends of the second frame, and a sealing rubber sleeve or a spiral compression sleeve is, the solar energy power generation transformer is characterized in that a cutting part is arranged on the transverse supporting rod, a protruding cutting part is arranged on the other side, opposite to the outer box body, of the transverse supporting rod, a third frame and a fourth frame are mounted on the top surface of the transformer, a solar charging panel covers the surface of the transverse supporting rod, and the controller controls the electric push rod to drive the second frame to open at different angles in different modes in different time intervals.
2. The transformer distribution box of claim 1, wherein: and a sliding block guide shaft which penetrates through two sides of the support sliding block and is parallel to the bearing support is arranged at the bottom of the support sliding block.
3. The transformer distribution box of claim 2, wherein: an end cover is arranged on one side of the bearing support far away from the correspondingly cooled low-voltage winding and the correspondingly cooled high-voltage winding, a return spring is arranged between the end cover and the support sliding block, and the return spring is sleeved on the sliding block guide shaft.
4. The transformer distribution box of claim 3, wherein: the bearing support is provided with an auxiliary air supply cavity at the position, close to the corresponding low-voltage winding and high-voltage winding, of the cross-flow cooling fan, one end of an air supply pipe at one side of the end cover penetrates through the slide block guide shaft and extends towards one side of the auxiliary air supply cavity, and a filter screen is arranged at the top of the auxiliary air supply cavity.
5. The transformer distribution box of claim 4, wherein: and a linear transmission mechanism for transmitting the support sliding block to reciprocate between the end cover and the auxiliary air supply cavity is arranged at the top of the bearing support.
6. The transformer distribution box of claim 5, wherein: the top of the slide block guide shaft is provided with a roller lead screw, two ends of the roller lead screw are provided with a rotating shaft bracket matched with the roller lead screw, a support slide block between the support plate and the bearing support is provided with a thread matched with the roller lead screw, and the roller lead screw rotating mechanism is also provided with a roller lead screw for driving the roller lead screw to rotate.
7. The transformer distribution box of claim 6, wherein: the roller lead screw rotating mechanism comprises a rotating disk in transmission connection with the roller lead screw, or a speed reducer driven by a servo motor or a stepping motor.
8. The transformer distribution box of claim 7, wherein: and a power supply plug which is mutually matched with the cross-flow cooling fan is arranged at the top of the bearing support, and the power supply plug is electrically connected with the temperature controller through an electric lead.
9. The transformer distribution box of claim 4, wherein: the air supply pipe is communicated with an air outlet of an auxiliary blower arranged outside the transformer cabinet body.
10. The transformer distribution box according to claim 1, 2, 3 or 4, wherein: a first rubber gasket layer is arranged between the bottom of the bearing support and the plane support plate, and a second rubber gasket layer is arranged between the cross-flow cooling fan and the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251831.6A CN108320890B (en) | 2017-12-01 | 2017-12-01 | Transformer distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251831.6A CN108320890B (en) | 2017-12-01 | 2017-12-01 | Transformer distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108320890A CN108320890A (en) | 2018-07-24 |
| CN108320890B true CN108320890B (en) | 2020-09-22 |
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| CN109869338B (en) * | 2019-03-22 | 2023-12-08 | 北京首都机场动力能源有限公司 | Single-machine state identification system of cross-flow cooling fan set of dry-type transformer |
| CN112177985B (en) * | 2020-09-29 | 2021-07-02 | 国电电力湖南郴州风电开发有限公司 | Mounting structure of fan for wind power generation |
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| JPH08195315A (en) * | 1995-01-13 | 1996-07-30 | Meidensha Corp | Air-cooled stationary induction apparatus |
| CN203277023U (en) * | 2013-05-28 | 2013-11-06 | 精达电器集团浙江变压器有限公司 | Dry type transformer |
| CN203966732U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | dry-type transformer |
| CN206524567U (en) * | 2017-03-16 | 2017-09-26 | 江西亿晟电气有限责任公司 | A kind of cooling system of horizontal integration pole type transformer platform power transformation box and comprehensive distribution box |
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Effective date of registration: 20210607 Address after: 515400 jinqiandi District, jingxialou village, Longtan Town, Jiexi County, Jieyang City, Guangdong Province Patentee after: GUANGDONG'S DEHUANG ELECTRIC POWER EQUIPMENT Co.,Ltd. Address before: No.5 Heping 5th Lane, Juntian Juwei, Heping Town, hEPO Town, Jiexi County, Jieyang City, Guangdong Province, 515400 Patentee before: Huang Siyu |
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