CN209607574U - A kind of voltage transformer for drilling machine high voltage supply system - Google Patents
A kind of voltage transformer for drilling machine high voltage supply system Download PDFInfo
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- CN209607574U CN209607574U CN201822205313.7U CN201822205313U CN209607574U CN 209607574 U CN209607574 U CN 209607574U CN 201822205313 U CN201822205313 U CN 201822205313U CN 209607574 U CN209607574 U CN 209607574U
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- fuse
- insulation crust
- room
- voltage transformer
- silicone rubber
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Abstract
The utility model relates to voltage transformer fields, specifically disclose a kind of voltage transformer for drilling machine high voltage supply system, including insulation crust and the primary coil being arranged in insulation crust, secondary coil, iron core and fuse;The insulation crust forms sealing space, and the sealing space includes fusing room and winding room setting up and down;The fuse setting is indoor in fusing;The primary coil, secondary coil and iron core are arranged in winding room;The fuse is connected with the primary coil;The interior pour mass that casting is formed is additionally provided in the winding room;The top surface of the interior pour mass is located at the lower section of the fuse.The utility model solves the problems, such as that existing voltage transformer needs to repair interior pour mass repeatedly after installing fuse.
Description
Technical field
The utility model relates to voltage transformer fields, and in particular to a kind of mutual induction of voltage in drilling machine power supply system
Device.
Background technique
In oil drilling construction, power is provided for drilling machine by high voltage supply system.In high voltage supply system, in order to
When voltage of transformation, power to measuring instrumentss and protective relaying device, or the protection circuit in line failure
In expensive equipment, motor and transformer, need that voltage transformer is installed in high voltage supply system.
Existing voltage transformer, generally comprise insulation crust and be arranged in insulation crust iron core, primary coil and
Secondary coil.In order to increase the protective effect of voltage transformer, present voltage transformer can also be arranged in insulation crust with
The fuse of primary coil connection.But after increasing fuse, the pour mass being originally arranged in insulation crust is just inconvenient
It continues to use, because fuse requires the process poured by opening pour mass and again after each replacement, operates
Come cumbersome.And if do not use pour mass, can waterproof to entire voltage transformer and seal protection play biggish shadow
It rings.And if be not provided with fuse, then can greatly weaken the protective action of voltage transformer.
In addition, existing insulation crust, directlys adopt poured with epoxy resin and is formed, shape invariance control, in order to make absolutely
The shape of edge shell is unified, and existing insulation crust is essentially all the smooth simple structure in simple shape, surface;And iron core is adopted
With stacked, such voltage transformer has that at high cost, creepage distance is small, and the more difficult control of casting process of shell
System, is also easy to produce open defect.
Utility model content
The utility model is intended to provide a kind of voltage transformer for drilling machine high voltage supply system, for solving existing electricity
Pressure mutual inductor needs the problem of repairing interior pour mass repeatedly after installing fuse.
In order to solve the above problem, following scheme is provided:
The voltage transformer for drilling machine high voltage supply system in this programme, including insulation crust and setting are being insulated
Primary coil, secondary coil, iron core and fuse in shell;The insulation crust forms sealing space, the sealing space
Including fusing room and winding room setting up and down;The fuse setting is indoor in fusing;The primary coil, secondary coil and
Iron core is arranged in winding room;The fuse is connected with the primary coil;Casting shape is additionally provided in the winding room
At interior pour mass;The top surface of the interior pour mass is located at the lower section of the fuse.
Utility model has the advantages that
The utility model is poured interior pour mass in the winding room for being fitted without fuse, both to playing master in voltage transformer
Primary coil, secondary coil and the iron core to be acted on play the role of seal protection, and do not influence the replacement of fuse, effectively
Solve the problems, such as that existing voltage transformer must repair interior pour mass repeatedly after installing fuse.
The utility model utilizes fuse, increases the protective effect of voltage transformer.The top surface of interior pour mass is located at molten
The lower section of disconnected device, makes when replacing fuse, will not influence interior pour mass and by the primary of interior pour mass package protection
Coil, secondary coil and iron core not only will not additionally increase the work of pour mass in repairing, also will increase to each in winding room
The seal protection of device.
Further, the top of the fusing room is provided with primary connection terminal, and the fuse is arranged at primary connection end
Between son and primary coil.
Primary connection terminal is the tab terminal for connecting external circuit with voltage transformer, and fuse setting is existed
Herein, when any failure can occur during voltage transformation, primary connection terminal and primary is cut off in time by fuse
The connection relationship of coil protects various equipment and instrument in power grid not to be damaged.
Further, terminal box is provided on the winding room, the terminal box is arranged on insulation crust;The terminal box
On be provided with outwardly directed voltage wiring terminal.
Wiring box is arranged on winding room, and is embedded on insulation crust, i.e. the outer surface of terminal box and insulation crust
The common outer surface of this portion voltage mutual inductor is together formed, insulation crust does not cover terminal box setting voltage wiring terminal
Place does not influence voltage transformer and is connect by voltage wiring terminal with various equipment or instrument.
Further, warning lamp, the warning and the voltage terminal substring are provided on the outer surface of the terminal box
Connection.
The outer surface of terminal box refers to the one side that terminal box is exposed outward, even if voltage wiring terminal is with one
A little equipment or instrument connection, will not stop the warning lamp that the face is arranged in.Warning lamp is connected with voltage wiring terminal, is made
The warning lamp can reflect whether current wiring box is connected in time, and then can be inferred that whether current fuse is in molten
Disconnected state.When fuse normally connects, primary coil connection, secondary coil converted according to magnetic induction after electricity
Pressure, terminal box connection, warning lamp connection are illuminating state;After fuse is blown, electrical circuit is disconnected where primary coil,
Secondary coil can not obtain converted voltage, and terminal box disconnects, and warning lamp disconnects, and be OFF state.Pass through the difference of warning lamp
State can remind the working condition of staff's fuse in time, be conducive to replace impaired fuse in time.
Further, the lower part of insulation crust is arranged in the terminal box.
It is convenient to be connect by the voltage wiring terminal in terminal box with other equipment and instrument, convenient for operation.Meanwhile also just
Warning lamp in observation terminal box, efficiently solves existing voltage transformer, because fuse setting position is excessively high, without side
Just the problem of observing its working condition.
Further, the distance between the top surface of the interior pour mass and the bottom surface of fuse are 3-7 centimetres.
This distance range, not only facilitates the casting work of pour mass in carrying out, but also provides operation for the replacement of fuse
Space.
Further, the iron core is rolled rectangular using silicon steel sheet strip, the multistage stepped arrangement in the section point of iron core.
Seamless, not laminated core air gap is arranged in iron core in this way, and magnetic circuit is closed completely, magnetic leakage free, can be sufficiently
Play the grain orientation of silicon steel sheet, core section divides level Four stepped arrangement, and fill factor is high, effectively reduce magnetic resistance and
Interlayer vortex, short circuit, therefore product no-load loss is small, temperature rise is low, noise is small, anti-overload ability is strong.
Further, the insulation crust is silicone rubber sleeve;The corresponding silicone rubber sleeve in the fusing room is top silicone rubber sleeve;
The corresponding silicone rubber sleeve in the winding room is lower part silicone rubber sleeve;It is respectively provided on the top silicone rubber sleeve and lower part silicone rubber sleeve
There are multiple full skirts.
By the setting of full skirt, retting-flax wastewater is increased, insulation is improved by force, increases protective capability, is suitable for heavy pollution area
It installs and uses.
Detailed description of the invention
Fig. 1 is the cross-sectional centerline view of the utility model embodiment.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: insulation crust 1, primary coil 2, secondary coil 3, iron core 4, fuse
5, interior pour mass 6, round full skirt 7, oval full skirt 8, high-voltage connection 9, low-voltage lead 10, terminal box 11, voltage wiring terminal
12, warning lamp 13, channel steel 14.
Embodiment is substantially as shown in Fig. 1:
The voltage transformer for drilling machine high voltage supply system in the present embodiment, including insulation crust 1 and be mounted on
Primary coil 2, secondary coil 3, iron core 4 and fuse 5 in insulation crust 1.
Wherein, insulation crust 1 forms sealing space, and sealing space includes the winding room of the fusing room and lower section of top.
Fusing room specifically includes two 9 casings of high-voltage connection.The top of each 9 casing of high-voltage connection is assembled with a primary connection
Terminal, high-voltage connection 9 manage in be assembled with the fuse connecting with primary connection terminal 5.Fuse 5 passes through high-voltage connection
9 connect with primary coil 2.
Primary coil 2, secondary coil 3 and iron core 4 are installed in winding room in winding room.In winding room, Xiang Yici
Coil 2, secondary coil 3 and iron core 4 form interior pour mass along 1 casting epoxy resin of insulation crust for being wrapped to form winding room
6, so that the top surface of interior pour mass 6 is located at the lower section of fuse 5, the bottom surface of the top surface for making interior pour mass 6 and fuse 5 is at a distance of 3-7
Centimetre, at a distance of 5 centimetres both in the present embodiment.This distance range, not only facilitates the casting work of pour mass 6 in carrying out, but also is
The replacement of fuse 5 provides operating space.
The bottom of winding room is equipped with terminal box 11, and terminal box 11 runs through insulation crust 1, and insulation crust 1 forms one.
Outwardly directed voltage wiring terminal 12 is installed on the front of terminal box 11.Voltage wiring terminal 12 by low-voltage lead 10 with
Secondary coil 3 connects.Warning lamp 13 is installed on the front of terminal box 11 simultaneously, warning lamp 13 and voltage wiring terminal 12 are gone here and there
Connection, for reminding whether staff's terminal box 11 is connected to, and then can rationally be inferred to whether fuse 5 damages.Warning lamp
13 select LED lamp bead, not only long service life, and being capable of using electricity wisely.
The rectangle channel steel 14 for installing entire voltage transformer is installed in the bottom of insulation crust 1.By two channel steels
14 form the mounting base for being used to support voltage transformer.
Rectangular, the multistage stepped row in the section point of iron core is rolled using silicon steel sheet strip in the indoor iron core 4 of winding
Column.In the present embodiment, the section of iron core 4 divides level Four stepped arrangement, and continuous coiling goes out annulus on the stem of rectangle iron core 4
The encapsulating of iron core 4, high-low pressure winding and high-low voltage leads 10 is poured into interior pour using indoor epoxy resin by the high-low pressure winding of shape
The silicone rubber sleeve by high-temperature silicon disulfide rubber compression moulding, channel steel are pasted with bonding agent in the outer surface of injection body 6, interior pour mass 6
14 brackets are bolted with silicone rubber sleeve and interior pour mass 6.
Air gap seamless, without laminated core 4 is arranged in iron core 4 in this way, and magnetic circuit is closed completely, and magnetic leakage free can fill
The grain orientation of silicon steel sheet is waved in distribution, and 4 section of iron core divides level Four stepped arrangement, and fill factor is high, effectively reduces magnetic
Resistance and interlayer vortex, short circuit, therefore product no-load loss is small, temperature rise is low, noise is small, anti-overload ability is strong.
Wherein, insulation crust 1 is silicone rubber sleeve;The silicone rubber sleeve on corresponding 9 casing of high-voltage connection in room that fuses is top
Silicone rubber sleeve;The corresponding silicone rubber sleeve in winding room is lower part silicone rubber sleeve;On top silicone rubber sleeve and lower part silicone rubber sleeve respectively
It is connected with multiple full skirts.
In the present embodiment, in top silicone rubber sleeve, it is successively mounted with five full skirts, wherein top and most bottom from top to bottom
The full skirt at end is round full skirt 7, and three intermediate full skirts are oval full skirt 8.
In lower part silicone rubber sleeve, it is equally successively mounted with five full skirts from top to bottom, wherein the umbrella of top and lowermost end
Skirt is round full skirt 7, and three intermediate full skirts are oval full skirt 8.
The shielded area of round full skirt 7 is greater than the shielded area of oval full skirt 8.
By the setting of full skirt, retting-flax wastewater is increased, insulation is improved by force, increases protective capability, is suitable for heavy pollution area
It installs and uses.
The present embodiment is only poured winding room and forms interior pour mass 6, both to the primary line to play a major role in voltage transformer
Circle 2, secondary coil 3 and iron core 4 play the role of seal protection, and do not influence the replacement of fuse 5, efficiently solve existing
Voltage transformer the problem of must repairing repeatedly interior pour mass 6 after installing fuse 5.Meanwhile the present embodiment passes through docking
Warning lamp 13 in wire box 11 is arranged, the working condition that staff can be reminded in time current, to facilitate staff timely
The fuse 5 more preferably damaged.
The records such as the specific embodiment in above instructions can be used for explaining the content of claim.
Claims (6)
1. a kind of voltage transformer for drilling machine high voltage supply system, including insulation crust and is arranged in insulation crust
Primary coil, secondary coil, iron core and fuse;It is characterized by: the insulation crust forms sealing space, the sealing is empty
Between include fusing room and winding room setting up and down;The fuse setting is indoor in fusing;The primary coil, secondary coil
It is arranged in winding room with iron core;The fuse is connected with the primary coil;Casting is additionally provided in the winding room
The interior pour mass formed;The top surface of the interior pour mass is located at the lower section of the fuse;
The distance between top surface and the bottom surface of fuse of the interior pour mass are 3-7 centimetres;
The insulation crust is silicone rubber sleeve;The corresponding silicone rubber sleeve in the fusing room is top silicone rubber sleeve;The winding room
Corresponding silicone rubber sleeve is lower part silicone rubber sleeve;Multiple umbrellas are provided on the top silicone rubber sleeve and lower part silicone rubber sleeve
Skirt.
2. the voltage transformer according to claim 1 for drilling machine high voltage supply system, it is characterised in that: the fusing
The top of room is provided with primary connection terminal, and the fuse is arranged between primary connection terminal and primary coil.
3. the voltage transformer according to claim 1 for drilling machine high voltage supply system, it is characterised in that: the winding
Terminal box is provided on room, the terminal box is arranged on insulation crust;Outwardly directed voltage is provided in the terminal box
Connecting terminal.
4. the voltage transformer according to claim 3 for drilling machine high voltage supply system, it is characterised in that: the wiring
Warning lamp is provided on the outer surface of box, the warning is connected with the voltage wiring terminal.
5. the voltage transformer according to claim 3 for drilling machine high voltage supply system, it is characterised in that: the wiring
The lower part of insulation crust is arranged in box.
6. the voltage transformer according to claim 1 for drilling machine high voltage supply system, it is characterised in that: the iron core
Rectangular, the multistage stepped arrangement in the section point of iron core is rolled using silicon steel sheet strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822205313.7U CN209607574U (en) | 2018-12-26 | 2018-12-26 | A kind of voltage transformer for drilling machine high voltage supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822205313.7U CN209607574U (en) | 2018-12-26 | 2018-12-26 | A kind of voltage transformer for drilling machine high voltage supply system |
Publications (1)
Publication Number | Publication Date |
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CN209607574U true CN209607574U (en) | 2019-11-08 |
Family
ID=68398499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201822205313.7U Active CN209607574U (en) | 2018-12-26 | 2018-12-26 | A kind of voltage transformer for drilling machine high voltage supply system |
Country Status (1)
Country | Link |
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CN (1) | CN209607574U (en) |
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2018
- 2018-12-26 CN CN201822205313.7U patent/CN209607574U/en active Active
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Denomination of utility model: A voltage transformer for high voltage power supply system of drilling rig Effective date of registration: 20220627 Granted publication date: 20191108 Pledgee: Bayingolin Mongolian Autonomous Prefecture Branch of Bank of China Ltd. Pledgor: BAZHOU BOND PETROLEUM TECHNOLOGY SERVICE Co.,Ltd. Registration number: Y2022980009229 |