CN114093599B - Intelligent temperature control type three-phase resin insulation dry-type transformer - Google Patents

Intelligent temperature control type three-phase resin insulation dry-type transformer Download PDF

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Publication number
CN114093599B
CN114093599B CN202111380884.4A CN202111380884A CN114093599B CN 114093599 B CN114093599 B CN 114093599B CN 202111380884 A CN202111380884 A CN 202111380884A CN 114093599 B CN114093599 B CN 114093599B
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isolation box
air
temperature
pipe
moisture
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CN114093599A (en
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严九江
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Jiangsu Beichen Hubang Power Co ltd
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Jiangsu Beichen Hubang Power Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/23Corrosion protection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Drying Of Gases (AREA)

Abstract

The utility model discloses an intelligent temperature control type three-phase resin insulation dry-type transformer, which comprises an isolation box and a fixed frame, wherein a fixed seat is arranged on the bottom wall of the inner side of the isolation box through bolts, a lower clamping plate is arranged at the top of the fixed seat through bolts, and a transformer main body is arranged at the top of the lower clamping plate through a cushion block; the inner walls of two sides of the isolation box are provided with fixing shells through bolts, the outer walls of two sides of the isolation box are provided with temperature and humidity displays, and the inner wall of one side of the isolation box is provided with a wire arrangement pipe in a penetrating mode. According to the utility model, the fixing shell is arranged, the vent holes on the fixing shell are used for transmitting air, and moisture in the air is absorbed by the moisture-proof agent in the fixing shell, so that the humidity in the isolation box is reduced.

Description

Intelligent temperature control type three-phase resin insulation dry-type transformer
Technical Field
The utility model relates to the technical field of dry transformers, in particular to an intelligent temperature-control three-phase resin insulation dry transformer.
Background
The dry-type transformer is a transformer with iron core and winding not immersed in insulating oil, and is widely used for local illumination, high-rise building, airport, wharf CNC mechanical equipment, etc., and the three-phase dry-type transformer is a main component of various power supplies and electrical equipment, is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and is mainly composed of a primary coil, a secondary coil and an iron core.
The dry-type transformer in the prior art has the following defects:
1. patent document CN212032819U discloses a dry-type transformer convenient to dust removal, "it includes dry-type transformer box, the dry-type transformer body, the air extraction fan, dust collection box, three-way pipe and dust collection box, dry-type transformer body is fixed in dry-type transformer box inner wall bottom, the ventilation hole has been seted up at dry-type transformer box side top, air extraction fan quantity is two, be fixed in dry-type transformer box inner wall bottom, and be located dry-type transformer both sides, the dust collection box is fixed in dry-type transformer box below, two openings of three-way pipe are connected with the air outlet of two air extraction fans respectively, another opening is located dust collection box inside, the dust collection box top is equipped with first trompil, first trompil corresponds and is located the opening below that the three-way pipe is located dust collection box inside, the fresh air can be introduced to the ventilation hole, thereby realize dry-type transformer's dust removal and heat dissipation," the device does not possess dampproofing structure, in the long-time use of transformer, outside moisture can enter into the inside of device, the safety that the excessive moisture can cause the influence to electrical equipment.
2. The utility model discloses a shockproof dry type transformer, which comprises a dry type transformer body and a dry type transformer base, wherein a supporting seat is arranged at the bottom of the dry type transformer base, a drainage groove is formed in the end face of the supporting seat, a plurality of rectangular drainage through grooves are uniformly formed in the drainage groove and positioned on the end face of the dry type transformer base.
3. Patent document CN208298660U discloses a dry-type transformer structure with efficient heat dissipation, "comprising: the dry-type transformer body, the dry-type transformer body is installed on the dry-type transformer base, and dry-type transformer base both sides are equipped with dry-type transformer fixed plate, dry-type transformer body upper end is equipped with business turn over line terminal, and business turn over line terminal passes through the top mounting panel and installs on the dry-type transformer body, business turn over line terminal upper end is equipped with the top guard plate, be equipped with the side guard plate on the dry-type transformer body of business turn over line terminal both sides, dry-type transformer body one side is equipped with radiator fan, the opposite side is equipped with radiating fin, be equipped with wind direction adjusting device between radiator fan and the dry-type transformer body. According to the utility model, the radiating fan is arranged on one side of the dry type transformer body, the radiating fins are arranged on the other side of the dry type transformer body, the wind direction adjusting device is arranged between the radiating fan and the dry type transformer body, the cross bars are rotated, and as the cross bars are in irregular shapes, the distance between the two cross bars is different, not only can the air quantity be adjusted, but also the wind direction can be adjusted.
4. Patent document CN211879178U discloses an assembled three-phase dry-type transformer, "including the base, the base has three, and three base tops are equipped with first single-phase dry-type transformer, second single-phase dry-type transformer and third single-phase dry-type transformer respectively, first single-phase dry-type transformer, second single-phase dry-type transformer and third single-phase dry-type transformer are by first curb plate, second curb plate, wire winding group and supporting shoe constitution, first single-phase dry-type transformer, second single-phase dry-type transformer and third single-phase dry-type transformer top all are equipped with the closing cap, the wire winding group is located between first curb plate and the second curb plate, and the wire winding group comprises iron core, enameled wire and supporting shoe, the base top is equipped with the stand. The device not only can make the three-phase dry-type transformer more convenient in transportation, movement and installation, but also can improve the heat dissipation efficiency of the three-phase dry-type transformer, further increases the service life of the three-phase dry-type transformer, and the device lacks a wire arrangement structure, so that workers cannot bind wires, and is inconvenient for the workers to arrange wires.
Disclosure of Invention
The utility model aims to provide an intelligent temperature control type three-phase resin insulation dry-type transformer so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an intelligent temperature control type three-phase resin insulation dry-type transformer comprises an isolation box and a fixed frame, wherein a fixed seat is arranged on the bottom wall of the inner side of the isolation box through bolts, a lower clamping plate is arranged at the top of the fixed seat through bolts, and a transformer main body is arranged at the top of the lower clamping plate through a cushion block;
the inner walls of two sides of the isolation box are provided with fixing shells through bolts, the outer walls of two sides of the isolation box are provided with temperature and humidity displays, and the inner wall of one side of the isolation box is provided with a wire arrangement pipe in a penetrating manner;
the back wall of the inner side of the isolation box is provided with a supporting piece, the front end of the supporting piece is provided with a fixed frame, and the top of the isolation box is provided with a fixed box.
Preferably, the air inlet pipe is installed in a penetrating manner on the bottom wall of the isolation box, the dehumidifying filter screen is installed on the inner side of the air inlet pipe, the suction fan is installed at the bottom end of the air inlet pipe, the air outlet pipe is installed in a penetrating manner on the bottom wall of the isolation box, the air blower is installed at the bottom end of the air outlet pipe, and the door body is connected to the front side of the isolation box through the hinge.
Preferably, the front of transformer main part installs the high-voltage connection piece, two sets of connectors are installed in the front of transformer main part, and two sets of connectors are located the top and the below of high-voltage connection piece, the front end screw thread of connector installs the assembled lid, fixed yoke is installed to the top and the bottom of transformer main part, two sets of upper squeeze plates are installed through the cushion in the top of transformer main part, two sets of upper squeeze plates pass through connecting screw and install in the place ahead and the rear of fixed yoke, binding post is installed through the connecting piece in the front of upper squeeze plate, binding post's front end screw thread installs tightens up the lid, install the wiring connecting plate on the rear end outer wall of transformer main part.
Preferably, the outer wall of one side of the fixed shell is provided with a vent hole, and the inner side of the fixed shell is embedded with a dampproof agent.
Preferably, temperature and humidity sensors are installed on the inner walls of the two sides of the isolation box, the temperature and humidity sensors are connected with the temperature and humidity display through wires, and the temperature and humidity sensors are located above the fixing shell.
Preferably, the top screw thread of row spool runs through installs the threaded rod, and the twist grip is installed at the top of threaded rod, and the roating seat is installed to the bottom of threaded rod, and the holding down plate is installed to the bottom of roating seat, and the holding down plate is located the inside of row spool, and the guide slide bar is installed at the top of row spool, and the top wall of guide slide bar activity run through row spool.
Preferably, a fixing frame is installed on the inner wall of the fixing frame, a heat absorption pipe is installed on the inner side of the fixing frame, two ends of the heat absorption pipe penetrate through the top wall of the fixing frame, an electric fan is installed on the fixing frame through a mounting plate, the electric fan is located in front of the fixing frame, and an isolation net is installed on the front face of the fixing frame.
Preferably, the mounting box is installed to the inboard of fixed case, the internally mounted of mounting box has the compressor, the butt joint pipe is installed to one side of compressor, the butt joint pipe passes through the connecting pipe and is connected with the top of heat pipe, the butt joint pipe runs through mounting box one side outer wall, the expansion valve is installed to the output of compressor, the condenser pipe is installed to the one end of expansion valve, the diapire of fixed case is run through to the one end of condenser pipe, the support frame is installed to the inboard of fixed case, the support frame is fixed the condenser pipe of inboard, the one end of condenser pipe is connected with the other end of heat pipe, the mounting bracket is installed to the inboard of fixed case, and the mounting bracket is located the rear of support frame, the air heater is installed in the front of mounting bracket.
Preferably, the working steps of the transformer are as follows:
s1, a worker fixes equipment on a pre-prepared fixing frame, stability of a device is guaranteed, a cable passes through the inner side of a wire arrangement pipe, the worker rotates a rotating handle to drive a threaded rod to rotate, a rotating seat at the bottom is driven by a screw to move downwards, a lower pressing plate at the bottom is driven by the rotating seat to move downwards, the lower pressing plate moves to squeeze a circuit at the bottom, so that the circuit is fixed, stability of the cable is guaranteed, the worker conveniently arranges the circuit, the cable is connected with a high-voltage connecting sheet on a transformer main body, the device can normally transmit electric power, a large amount of heat is generated in the operation process of the transformer main body, the temperature inside the isolation box is sensed by a temperature and humidity sensor on the isolation box, so that the temperature and humidity conditions inside the isolation box can be judged, and detected information is displayed by a temperature and humidity display, so that the worker can observe conveniently;
s2, when the temperature inside the isolation box exceeds a preset temperature, the compressor is operated, low-temperature low-pressure refrigerant liquid gas in the self-absorption heat pipe is compressed into high-temperature high-pressure gas by the operation of the compressor, then the high-temperature high-pressure gas flows through the expansion valve through the pipeline, the air is throttled by the expansion valve to enable the gas to be changed into a gas-liquid object, then the liquid is transmitted by the condensation pipe, meanwhile, the cooling fan is operated to drive air around the condensation pipe to rapidly move, the heat dissipation speed of the device is accelerated, the air is enabled to be changed into low-temperature low-pressure gas-liquid, then the cooling liquid is transmitted to the inside of the heat absorption pipe, the cooling liquid is transmitted to the compressor again by the heat absorption pipe, the heat inside the isolation box is continuously absorbed by the cooling liquid, the heat dissipation speed inside the transformer main body is increased through low temperature, and dangers caused by the overhigh temperature of the transformer main body are avoided;
s3, in the running process of the refrigeration system, moisture can be generated, excessive moisture can be condensed into water, the water can influence low temperature to accelerate the normal running of the transformer main body, the fixing shell is fixed by the isolation box, the stability of the fixing shell is guaranteed, the ventilation holes on the fixing shell are used for transmitting air, and the moisture in the air is absorbed by the moisture-proof agent in the fixing shell, so that the humidity in the isolation box is reduced, and because the moisture-proof agent is embedded in the fixing shell, workers can easily take out the moisture-proof agent from the fixing shell, the replacement of the moisture-proof agent is completed, and the operation of the workers is facilitated;
s4, when the temperature and humidity sensor detects that the humidity exceeds a specified range, the suction fan at the bottom end of the air inlet pipe operates to suck outside air into the air inlet pipe, the air inlet pipe guides air to move, the dehumidifying filter screen filters moisture in the air moving process to avoid the moisture from entering the device, the air inlet pipe transmits dry air into the isolation box, meanwhile, the blower operates, the suction end of the blower sucks air in the air outlet pipe, the air in the isolation box moves into the air outlet pipe, the air outlet pipe transmits the moisture in the isolation box into the blower, the blower discharges the moisture, and the humidity in the isolation box is adjusted through interaction of the dry air and the moisture.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the fixing shell is arranged, the vent holes on the fixing shell are used for transmitting air, and moisture in the air is absorbed by the moisture-proof agent in the fixing shell, so that the humidity in the isolation box is reduced.
2. According to the utility model, the compressor is arranged, the low-temperature low-pressure refrigerant liquid gas from the heat absorption tube is compressed into high-temperature high-pressure gas during operation, then the high-temperature high-pressure gas flows through the expansion valve through the pipeline, the expansion valve is used for throttling the air to change the gas into a gas-liquid object, then the condenser tube is used for transmitting liquid, meanwhile, the cooling fan is operated to drive the air around the condenser tube to rapidly move, so that the heat dissipation speed of the device is increased, the air is changed into low-temperature low-pressure gas-liquid, then the condenser tube is used for transmitting cooling liquid to the inside of the heat absorption tube, the cooling liquid absorbs heat, so that the temperature inside the isolation box is reduced, the heat absorption tube is used for transmitting the cooling liquid to the compressor again, the repeated circulation operation is performed, the cooling liquid continuously absorbs the heat inside the isolation box, the heat dissipation speed inside the transformer body is increased through low temperature, the risk of the transformer body is avoided, and the device is convenient for adjusting the temperature.
3. According to the utility model, the air inlet pipe and the air outlet pipe are arranged, the outside air is sucked into the air inlet pipe by the operation of the suction fan, the air is guided to move by the air inlet pipe, the moisture in the air is filtered by the dehumidifying filter screen in the air moving process, the moisture is prevented from entering the device, the air is transmitted into the isolation box by the air inlet pipe, meanwhile, the air in the air outlet pipe is sucked by the air suction end of the air blower, the air in the isolation box is moved into the air outlet pipe, the moisture in the isolation box is transmitted into the air blower by the air outlet pipe, the moisture is discharged by the air blower, and the humidity in the isolation box is adjusted by the interaction of the dried air and the moisture.
4. According to the utility model, the cable passes through the inner side of the cable arranging pipe, the worker rotates the rotating handle to drive the threaded rod to rotate, the rotating seat at the bottom is driven to move downwards by the screw, the rotating seat moves downwards to drive the lower pressing plate at the bottom to move downwards, and the lower pressing plate moves to squeeze the circuit at the bottom, so that the circuit is fixed, the stability of the cable is ensured, and the arrangement of the circuit is convenient for the worker.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of a transformer according to the present utility model;
FIG. 4 is a schematic view of a structure of a fixing case according to the present utility model;
FIG. 5 is a schematic view of the structure of the drain pipe of the present utility model;
FIG. 6 is a schematic perspective view of a fixing frame according to the present utility model;
FIG. 7 is a schematic cross-sectional view of a fixing frame according to the present utility model;
fig. 8 is a schematic structural view of the stationary box of the present utility model.
In the figure: 1. an isolation box; 101. an air inlet pipe; 102. dehumidifying filter screen; 103. a suction fan; 104. an air outlet pipe; 105. a blower; 106. a door body; 2. a transformer body; 201. a lower clamping plate; 202. a fixing seat; 203. a high-pressure connecting piece; 204. a connector; 205. assembling a cover; 206. a fixed yoke; 207. an upper pressing plate; 208. a connection terminal; 209. tightening the cover; 2010. a wiring connection board; 3. a fixed case; 301. a vent hole; 302. a moisture-proof agent; 4. a temperature and humidity display; 401. a temperature and humidity sensor; 5. a wire discharge tube; 501. a threaded rod; 502. a rotating handle; 503. a rotating seat; 504. a lower pressing plate; 505. a guide slide bar; 6. a fixed frame; 601. a support; 602. a fixing frame; 603. a heat absorbing pipe; 604. an electric fan; 605. an isolation net; 7. a fixed box; 701. a mounting box; 702. a compressor; 703. a butt joint pipe; 704. a support frame; 705. a condensing tube; 706. a mounting frame; 707. a heat radiation fan; 708. an expansion valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, an embodiment of the present utility model is provided: an intelligent temperature control type three-phase resin insulation dry-type transformer;
the first embodiment comprises an isolation box 1 and a fixed frame 6, wherein an air inlet pipe 101 is installed on the bottom wall of the isolation box 1 in a penetrating mode, a dehumidifying filter screen 102 is installed on the inner side of the air inlet pipe 101, a suction fan 103 is installed at the bottom end of the air inlet pipe 101, an air outlet pipe 104 is installed on the bottom wall of the isolation box 1 in a penetrating mode, a blower 105 is installed at the bottom end of the air outlet pipe 104, a door body 106 is connected to the front face of the isolation box 1 through a hinge, the suction fan 103 at the bottom end of the air inlet pipe 101 operates to suck outside air into the air inlet pipe 101, the air inlet pipe 1 guides air to move, in the air moving process, moisture in the air is filtered by the dehumidifying filter screen 102, the moisture is prevented from entering the device, the air inlet pipe 101 is transmitted into the isolation box 1, meanwhile, the blower 105 operates, the suction end of the blower 105 sucks air in the air outlet pipe 104, the air in the isolation box 1 moves into the air outlet pipe 104, the air in the isolation box 1 is transmitted into the blower 105, the blower 105 is discharged, the moisture in the isolation box 1 is adjusted through interaction of the dry air and the moisture is prevented from being influenced by the outside device through the door body 106.
Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides: an intelligent temperature control type three-phase resin insulation dry-type transformer;
the second embodiment comprises an isolation box 1 and a fixed frame 6, wherein a fixed seat 202 is arranged on the bottom wall of the inner side of the isolation box 1 through bolts, a lower clamping plate 201 is arranged at the top of the fixed seat 202 through bolts, the fixed seat 202 is fixed at the bottom of the isolation box 1, stability of the device is guaranteed, the fixed seat 202 is convenient for fixing the lower clamping plate 201 at the top, a transformer main body 2 is arranged at the top of the lower clamping plate 201 through a cushion block, a high-voltage connecting sheet 203 is arranged at the front of the transformer main body 2, two groups of connectors 204 are arranged at the front of the transformer main body 2, the two groups of connectors 204 are positioned above and below the high-voltage connecting sheet 203, an assembly cover 205 is arranged at the front end screw threads of the connectors 204, a fixed yoke 206 is arranged at the top and the bottom of the transformer main body 2, two groups of upper pressing plates 207 are arranged in front of the fixed yoke 206 and at the back of the fixed yoke 206 through connecting screws, a terminal 208 is arranged at the front of the upper pressing plate 207 through a connecting piece, a tightening cover 209 is arranged at the front end screw thread of the terminal 208, and a connecting plate 2010 is arranged at the rear end of the transformer main body 2;
referring to fig. 1, 2, 4 and 5, an embodiment of the present utility model is provided: an intelligent temperature control type three-phase resin insulation dry-type transformer;
the third embodiment comprises an isolation box 1 and a fixing frame 6, wherein the inner walls of the two sides of the isolation box 1 are provided with a fixing shell 3 through bolts, the outer wall of one side of the fixing shell 3 is provided with a vent 301, the inner side of the fixing shell 3 is embedded with a dampproof agent 302, the fixing shell 3 is fixed by the isolation box 1 to ensure the stability of the fixing shell 3, the vent 301 on the fixing shell 3 is used for transmitting air, the dampproof agent 302 in the fixing shell 3 is used for absorbing moisture in the air, so that the humidity in the isolation box 1 is reduced, because the dampproof agent 302 is embedded in the fixing shell 3, workers can easily take out the dampproof agent 302 from the inside of the fixing shell 3 to finish the replacement of the dampproof agent 302, the operation of workers is convenient, the outer walls of the two sides of the isolation box 1 are provided with a temperature and humidity display 4, the inner walls of the two sides of the isolation box 1 are provided with a temperature and humidity sensor 401, the temperature and humidity sensor 401 is connected with the temperature and humidity display 4 through wires, the temperature and humidity sensor 401 is positioned above the fixed shell 3, the temperature and humidity sensor 401 on the isolation box 1 senses the temperature inside the isolation box 1, so that the temperature and humidity condition inside the isolation box 1 can be judged, the temperature and humidity display 4 displays the detected information, the observation is convenient for workers, the wire discharging tube 5 is arranged on the inner wall of one side of the isolation box 1 in a penetrating way, the threaded rod 501 is arranged on the top thread of the wire discharging tube 5 in a penetrating way, the rotating handle 502 is arranged on the top of the threaded rod 501, the rotating seat 503 is arranged at the bottom end of the threaded rod 501, the lower pressing plate 504 is arranged at the inner part of the wire discharging tube 5, the guide sliding rod 505 is arranged at the top of the wire discharging tube 5, the guide sliding rod 505 movably penetrates the top wall of the wire discharging tube 5, the cable passes through the inner side of the wire arrangement pipe 5, a worker rotates the rotating handle 502 to drive the threaded rod 501 to rotate, the rotating seat 503 at the bottom is driven by the screw to move downwards, the rotating seat 503 moves downwards to drive the lower pressing plate 504 at the bottom to move downwards, and the lower pressing plate 504 moves to squeeze the circuit at the bottom, so that the circuit is fixed, the stability of the cable is ensured, and the arrangement of the circuits is facilitated for the worker;
referring to fig. 1, 2, 6, 7 and 8, an embodiment of the present utility model is provided: an intelligent temperature control type three-phase resin insulation dry-type transformer;
fourth embodiment, including isolation box 1 and fixed frame 6, install support piece 601 on the back wall of isolation box 1 inboard, fixed frame 6 is installed to the front end of support piece 601, isolation box 1 supports fixed frame 6 through support frame 601, guarantees the stability of fixed frame 6, install mount 602 on the inner wall of fixed frame 6, the inboard of mount 602 installs heat pipe 603, the both ends of heat pipe 603 run through on the roof of fixed frame 6, electric fan 604 is installed through the mounting panel of fixed frame 6, electric fan 604 is located the place ahead of mount 602, isolation net 605 is installed in the front of fixed frame 6, fixed box 7 is installed at the top of isolation box 1, install case 701 in the inboard of fixed box 7, install compressor 702 in the inside of install case 701, butt joint pipe 703 is installed to one side of compressor 702, butt joint pipe 703 is connected with the top of heat pipe through the connecting pipe, the butt joint pipe 703 penetrates through the outer wall of one side of the installation box 701, the expansion valve 708 is installed at the output end of the compressor 702, the condensation pipe 705 is installed at one end of the expansion valve 708, one end of the condensation pipe 705 penetrates through the bottom wall of the fixing box 7, the supporting frame 704 is installed at the inner side of the fixing box 7, the condensation pipe 705 at the inner side is fixed by the supporting frame 704, one end of the condensation pipe 705 is connected with the other end of the heat absorption pipe 603, the installation frame 706 is installed at the inner side of the fixing box 7, the installation frame 706 is positioned at the rear of the supporting frame 704, the heat dissipation fan 707 is installed at the front of the installation frame 706, the compressor 702 is operated when the internal temperature of the isolation box 1 exceeds the preset temperature, the compressor 702 is operated to compress low-temperature and low-pressure refrigerant liquid gas in the self-absorption heat pipe 603 into high-temperature and high-pressure gas, then flows through the expansion valve 708 through a pipeline, the gas is throttled through the expansion valve 708 to become a gas-liquid object, then the liquid is transmitted by the condensation tube 705, meanwhile, the heat dissipation fan 707 operates, the air around the condensation tube 705 is driven to move fast, the heat dissipation speed of the device is accelerated, the air is changed into low-temperature low-pressure gas liquid, then the cooling liquid is transmitted to the inside of the heat absorption tube 603 by the condensation tube 705, the cooling liquid absorbs heat, the temperature inside the isolation box 1 is reduced, then the cooling liquid is transmitted to the compressor 702 again by the heat absorption tube 603, the circulation operation is repeated, the cooling liquid continuously absorbs heat inside the isolation box 1, the heat dissipation speed inside the transformer main body 2 is accelerated through low temperature, and the danger caused by overhigh temperature of the transformer main body 2 is avoided.
The working steps of the transformer are as follows:
s1, a worker fixes equipment on a pre-prepared fixing frame, stability of the device is guaranteed, a cable passes through the inner side of a wire arrangement pipe 5, the worker rotates a rotating handle 502 to drive a threaded rod 501 to rotate, a rotating seat 503 at the bottom is driven by a screw to move downwards, a lower pressing plate 504 at the bottom is driven by the rotating seat 503 to move downwards, the lower pressing plate 504 moves to extrude a circuit at the bottom, so that the circuit is fixed, stability of the cable is guaranteed, the cable is conveniently arranged by the worker, the cable is connected with a high-voltage connecting sheet 203 on a transformer main body 2, the device can normally transmit power, a large amount of heat is generated in the operation process of the transformer main body 2, the temperature inside the isolation box 1 is sensed by a temperature and humidity sensor 401 on the isolation box 1, accordingly, the temperature and humidity conditions inside the isolation box 1 can be judged, and detected information is displayed by a temperature and humidity display 4, so that the worker can observe conveniently;
s2, when the internal temperature of the isolation box 1 exceeds a preset temperature, the compressor 702 is operated to compress low-temperature low-pressure refrigerant liquid gas from the heat absorption tube 603 into high-temperature high-pressure gas, then the high-pressure gas flows through the expansion valve 708 through a pipeline, the expansion valve 708 throttles the air to enable the gas to be changed into a gas-liquid object, then the condenser tube 705 is used for transmitting liquid, meanwhile, the cooling fan 707 is operated to drive air around the condenser tube 705 to rapidly move, so that the heat dissipation speed of the device is accelerated, the air is enabled to be changed into low-temperature low-pressure gas-liquid, then the condenser tube 705 is used for transmitting cooling liquid into the heat absorption tube 603, the heat absorption tube 603 is used for transmitting the cooling liquid to the compressor 702 again, the repeated circulation operation is performed, the cooling liquid continuously absorbs the heat in the isolation box 1, the internal speed of the transformer body 2 is accelerated through low temperature, and the dangerous occurrence of the transformer body 2 is avoided;
s3, in the running process of the refrigeration system, moisture can be generated, excessive moisture can be condensed into water, the water can influence low temperature to accelerate the normal running of the transformer main body 2, the fixed shell 3 is fixed by the isolation box 1, the stability of the fixed shell 3 is ensured, the air is transmitted through the vent 301 on the fixed shell 3, and the moisture in the air is absorbed by the moisture-proof agent 302 in the fixed shell 3, so that the humidity in the isolation box 1 is reduced, and because the moisture-proof agent 302 is embedded in the fixed shell 3, a worker can easily take out the moisture-proof agent 302 from the inside of the fixed shell 3, the replacement of the moisture-proof agent 302 is completed, and the operation of the worker is facilitated;
s4, when the temperature and humidity sensor 401 detects that the humidity exceeds a specified range, the suction fan 103 at the bottom end of the air inlet pipe 101 operates to suck outside air into the air inlet pipe 101, the air inlet pipe 1 guides air to move, the dehumidifying filter screen 102 filters moisture in the air moving process to avoid the moisture from entering the device, the air inlet pipe 101 transmits dry air into the isolation box 1, meanwhile, the blower 105 operates to suck the suction end of the blower 105 to suck air in the air outlet pipe 104, the air in the isolation box 1 moves into the air outlet pipe 104, the air outlet pipe 104 transmits the moisture in the isolation box 1 into the blower 105, the blower 105 discharges the moisture, and the humidity in the isolation box 1 is adjusted through interaction of the dry air and the moisture.
Working principle: the worker fixes the equipment on the pre-prepared fixing frame to ensure the stability of the device, the cable passes through the inner side of the wire arrangement pipe 5, the worker rotates the rotating handle 502 to drive the threaded rod 501 to rotate, the rotating seat 503 at the bottom is driven by the screw to move downwards, the rotating seat 503 moves downwards to drive the lower pressing plate 504 at the bottom to move downwards, the lower pressing plate 504 moves to squeeze the circuit at the bottom, thereby fixing the circuit, ensuring the stability of the cable, facilitating the worker to arrange the circuit, connecting the cable with the high-voltage connecting sheet 203 on the transformer main body 2, ensuring that the device can normally transmit power, generating a large amount of heat in the operation process of the transformer main body 2, sensing the temperature inside the isolation box 1 by the temperature and humidity sensor 401 on the isolation box 1, thereby judging the temperature and humidity conditions inside the isolation box 1, the detected information is displayed by the temperature and humidity display 4, the operation of the compressor 702 is convenient for workers to observe when the temperature inside the isolation box 1 exceeds the preset temperature, the operation of the compressor 702 compresses low-temperature and low-pressure refrigerant liquid gas from the heat absorption tube 603 into high-temperature and high-pressure gas, then the gas flows through the expansion valve 708 through a pipeline, the expansion valve 708 throttles the air to enable the gas to be changed into a gas-liquid object, then the liquid is transmitted by the condensation tube 705, meanwhile, the heat dissipation fan 707 operates to drive the air around the condensation tube 705 to quickly move, the heat dissipation speed of the device is accelerated, the air is enabled to be changed into low-temperature and low-pressure gas-liquid, then the condensation tube 705 transmits the cooling liquid into the heat absorption tube 603, the heat absorption tube 603 transmits the cooling liquid, the cooling liquid absorbs heat, thereby reducing the temperature inside the isolation box 1, then the heat absorption tube 603 transmits the cooling liquid to the compressor 702 again, the repeated circulation operation is like this, the cooling liquid continuously absorbs the heat in the isolation box 1, the heat dissipation speed in the transformer main body 2 is increased through low temperature, the danger caused by the overhigh temperature of the transformer main body 2 is avoided, the moisture possibly can be generated in the operation process of the refrigeration system, the excessive moisture can be condensed into water, the water can influence the low temperature to accelerate the normal operation of the transformer main body 2, the isolation box 1 fixes the fixed shell 3, the stability of the fixed shell 3 is ensured, the air is transmitted through the vent 301 on the fixed shell 3, the moisture in the air is absorbed by the moisture proof agent 302 in the fixed shell 3, thereby the humidity in the isolation box 1 is reduced, the moisture proof agent 302 is embedded in the fixed shell 3, workers can easily take out the moisture proof agent 302 from the inside of the fixed shell 3, the replacement of the moisture proof agent 302 is finished, the operation of the workers is convenient, when the temperature and humidity sensor 401 detects that the humidity exceeds a specified range, the suction fan 103 at the bottom end of the air inlet pipe 101 operates to suck outside air into the air inlet pipe 101, the air inlet pipe 1 guides air to move, the dehumidifying filter screen 102 filters moisture in the air moving process to avoid the moisture from entering the device, the air inlet pipe 101 transmits dry air into the isolation box 1, meanwhile, the blower 105 operates, the suction end of the blower 105 sucks air in the air outlet pipe 104, the air in the isolation box 1 moves into the air outlet pipe 104, the air outlet pipe 104 transmits the moisture in the isolation box 1 into the blower 105, the blower 105 discharges the moisture, and the humidity in the isolation box 1 is adjusted through interaction of the dry air and the moisture.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (3)

1. The utility model provides an intelligent temperature control formula three-phase resin insulation dry-type transformer, includes insulation can (1) and fixed frame (6), its characterized in that: a fixed seat (202) is arranged on the bottom wall of the inner side of the isolation box (1) through bolts, a lower clamping plate (201) is arranged at the top of the fixed seat (202) through bolts, and a transformer main body (2) is arranged at the top of the lower clamping plate (201) through a cushion block;
the inner walls of two sides of the isolation box (1) are provided with fixed shells (3) through bolts, the outer walls of two sides of the isolation box (1) are provided with temperature and humidity displays (4), and the inner wall of one side of the isolation box (1) is provided with a wire arrangement pipe (5) in a penetrating way;
a supporting piece (601) is arranged on the rear wall of the inner side of the isolation box (1), a fixed frame (6) is arranged at the front end of the supporting piece (601), and a fixed box (7) is arranged at the top of the isolation box (1);
an air inlet pipe (101) is arranged on the bottom wall of the isolation box (1) in a penetrating manner, a dehumidifying filter screen (102) is arranged on the inner side of the air inlet pipe (101), a suction fan (103) is arranged at the bottom end of the air inlet pipe (101), an air outlet pipe (104) is arranged on the bottom wall of the isolation box (1) in a penetrating manner, a blower (105) is arranged at the bottom end of the air outlet pipe (104), and a door body (106) is connected to the front surface of the isolation box (1) through a hinge;
the transformer comprises a transformer main body (2), wherein a high-voltage connecting sheet (203) is arranged on the front surface of the transformer main body (2), two groups of connectors (204) are arranged on the front surface of the transformer main body (2), the two groups of connectors (204) are positioned above and below the high-voltage connecting sheet (203), an assembly cover (205) is arranged at the front end of each connector (204) in a threaded manner, fixed yokes (206) are arranged at the top and the bottom of the transformer main body (2), two groups of upper extrusion plates (207) are arranged at the top of the transformer main body (2) through cushion blocks, the two groups of upper extrusion plates (207) are arranged in front of and behind the fixed yokes (206) through connecting screws, connecting terminals (208) are arranged on the front surface of each upper extrusion plate (207) through connecting pieces, tightening covers (209) are arranged at the front end of each connecting terminal (208), and a connecting plate (2010) is arranged on the outer wall of the rear end of the transformer main body (2);
an air vent (301) is formed in the outer wall of one side of the fixed shell (3), and a moisture-proof agent (302) is embedded into the inner side of the fixed shell (3);
the inner walls of the two sides of the isolation box (1) are provided with temperature and humidity sensors (401), the temperature and humidity sensors (401) are connected with a temperature and humidity display (4) through wires, and the temperature and humidity sensors (401) are positioned above the fixed shell (3);
a fixing frame (602) is installed on the inner wall of the fixing frame (6), a heat absorption pipe (603) is installed on the inner side of the fixing frame (602), two ends of the heat absorption pipe (603) penetrate through the top wall of the fixing frame (6), an electric fan (604) is installed on the fixing frame (6) through an installing plate, the electric fan (604) is located in front of the fixing frame (602), and an isolation net (605) is installed on the front face of the fixing frame (6);
install bin (701) the inboard of fixed bin (7), internally mounted of install bin (701) has compressor (702), butt joint pipe (703) are installed to one side of compressor (702), butt joint pipe (703) are connected through the top of connecting pipe with heat absorption pipe (603), butt joint pipe (703) run through the outer wall of install bin (701) one side, expansion valve (708) are installed to the output of compressor (702), condenser pipe (705) are installed to the one end of expansion valve (708), the diapire of fixed bin (7) is run through to the one end of condenser pipe (705), support frame (704) are installed to the inboard of fixed bin (7), support frame (704) are fixed to inboard condenser pipe (705), one end and the other end of heat absorption pipe (603) are connected, mounting bracket (706) are installed to the inboard of fixed bin (7), and mounting bracket (706) are located the rear of support frame (704), heat dissipation fan (707) are installed to the front of mounting bracket (706).
2. The intelligent temperature-controlled three-phase resin insulation dry-type transformer according to claim 1, wherein: threaded rod (501) is installed in penetrating mode to the top screw thread of winding displacement pipe (5), and twist grip (502) is installed at the top of threaded rod (501), and roating seat (503) is installed to the bottom of threaded rod (501), and holding down plate (504) is installed to the bottom of roating seat (503), and holding down plate (504) are located the inside of winding displacement pipe (5), and guide slide bar (505) is installed at the top of winding displacement pipe (5), and guide slide bar (505) activity runs through the roof of winding displacement pipe (5).
3. The intelligent temperature-controlled three-phase resin insulation dry-type transformer according to claim 2, wherein the working steps of the transformer are as follows:
s1, a worker fixes equipment on a pre-prepared fixing frame, stability of a device is guaranteed, a cable passes through the inner side of a wire arrangement pipe (5), the worker rotates a rotating handle (502) to drive a threaded rod (501) to rotate, a rotating seat (503) at the bottom is driven by a screw to move downwards, a lower pressing plate (504) at the bottom is driven by the lower moving seat (503) to move downwards, the lower pressing plate (504) moves to squeeze a circuit at the bottom, so that the circuit is fixed, stability of the cable is guaranteed, the worker can conveniently arrange the circuit, the cable is connected with a high-voltage connecting sheet (203) on a transformer main body (2), a large amount of heat can be generated in the operation process of the transformer main body (2), the temperature inside the isolation box (1) is sensed by a temperature and humidity sensor (401) on the isolation box (1), and accordingly, detected information can be displayed by a temperature and humidity display (4) to be conveniently observed;
s2, when the internal temperature of the isolation box (1) exceeds a preset temperature, the compressor (702) operates, low-temperature low-pressure refrigerant liquid gas in the heat absorption tube (603) is compressed into high-temperature high-pressure gas by the operation of the compressor (702), then the high-temperature high-pressure gas flows through the expansion valve (708) through a pipeline, the air is throttled by the expansion valve (708) to be changed into a gas-liquid object, then liquid is transmitted by the condensation tube (705), meanwhile, the heat dissipation fan (707) operates, the air around the condensation tube (705) is driven to rapidly move, the heat dissipation speed of the device is accelerated, the air is changed into low-temperature low-pressure gas-liquid, then the condensation tube (705) transmits the cooling liquid into the heat absorption tube (603), the heat absorption tube (603) transmits the cooling liquid, the temperature in the isolation box (1) is reduced, the cooling liquid is transmitted to the compressor (702) again by the expansion valve (708), the cooling liquid continuously absorbs the heat in the isolation box (1), the heat in the low-temperature is accelerated, and the heat dissipation of the transformer body (2) is prevented from being excessively high;
s3, in the running process of the refrigeration system, moisture can be generated, excessive moisture can be condensed into water, the normal operation of the transformer main body (2) can be accelerated under low temperature due to the water, the fixing shell (3) is fixed by the isolation box (1), the stability of the fixing shell (3) is guaranteed, the air is transmitted through the vent holes (301) on the fixing shell (3), and the moisture in the air is absorbed by the moisture-proof agent (302) in the fixing shell (3), so that the humidity in the isolation box (1) is reduced, and because the moisture-proof agent (302) is embedded in the fixing shell (3), workers can easily take out the moisture-proof agent (302) from the fixing shell (3), and the replacement of the moisture-proof agent (302) is completed, thereby being convenient for the workers to operate;
s4, when the temperature and humidity sensor (401) detects that the humidity exceeds a specified range, the suction fan (103) at the bottom end of the air inlet pipe (101) operates to suck outside air into the air inlet pipe (101), the air inlet pipe (1) guides air to move, the dehumidifying filter screen (102) filters moisture in the air moving process to avoid the moisture from entering the device, the air inlet pipe (101) transmits dry air into the isolation box (1), meanwhile, the blower (105) operates, the suction end of the blower (105) sucks air, the air in the air outlet pipe (104) sucks out, the air in the isolation box (1) moves into the air outlet pipe (104), the air in the isolation box (1) is transmitted into the blower (105) through the air outlet pipe (104), the blower (105) discharges the moisture, and the humidity in the isolation box (1) is adjusted through interaction of the dry air and the moisture.
CN202111380884.4A 2021-11-20 2021-11-20 Intelligent temperature control type three-phase resin insulation dry-type transformer Active CN114093599B (en)

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CN115148473B (en) * 2022-09-05 2022-11-04 江苏腾炎电气有限公司 Insulating cylinder type test transformer
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CN117558545B (en) * 2024-01-11 2024-05-03 西安胜鑫电力有限公司 Energy-saving dry-type transformer

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