CN208781679U - A kind of transformer neutral point earth protection device - Google Patents

A kind of transformer neutral point earth protection device Download PDF

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Publication number
CN208781679U
CN208781679U CN201821355697.4U CN201821355697U CN208781679U CN 208781679 U CN208781679 U CN 208781679U CN 201821355697 U CN201821355697 U CN 201821355697U CN 208781679 U CN208781679 U CN 208781679U
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China
Prior art keywords
seal box
transformer
neutral point
main
current transformer
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CN201821355697.4U
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Chinese (zh)
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朱焕荣
曹永辉
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曹永辉
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Priority to CN201821355697.4U priority Critical patent/CN208781679U/en
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Abstract

The utility model discloses a kind of transformer neutral point earth protection devices, including apparatus main body, the top side of apparatus main body is connected with seal box, this kind of transformer neutral point earth protection device, it is provided with seal box, working panel and battery, when user protects transformer using this kind of device, seal box can be sealed protection to current transformer, the inside for avoiding rainwater from entering seal box damages current transformer, increase the service life of current transformer, simultaneously when electric discharge interval is in electric discharge, the electric current that lead wire lever can generate electric discharge interval is conducted to current transformer, and current transformer can be by working panel starting storage battery when being powered, after battery starting, the electric current in current transformer can be absorbed and be stored by the second conducting wire, when user ties up current transformer at night When repairing, headlamp can be connected, so that headlamp be promoted to open to illuminating in seal box, to avoid the waste to electric power resource.

Description

A kind of transformer neutral point earth protection device
Technical field
The utility model relates to transformer neutral point ground protection technical field, specially a kind of transformer neutral point ground connection Protective device.
Background technique
Grounding protection device of neutral point, transformer neutral point earth protection device be widely used in 110kV, 220kV, 330kV, The power transformers neutral point such as 500kV, to realize the operation of transformer neutral point ground connection or the earth-free two different operations of operation Mode, to avoid causing transformer neutral point overtension due to the system failure or electric current being excessive, cause the damage to transformer Evil.
Existing transformer neutral point earth protection device is by Current Mutual Inductance mostly when protecting to transformer Device is directly exposed in outside air environment, and current transformer itself is used as a kind of more fragile electronic component, is working Shi Rongyi is influenced by amblent air temperature, especially after wind and weather, can greatly shorten making for Current Mutual Inductance for a long time With the service life, and existing protective device, when electric discharge interval generates electric discharge, it is difficult to be stored to electric current, to be provided to electric power Source, which causes, greatly to be wasted.
Utility model content
The purpose of this utility model is to provide a kind of transformer neutral point earth protection devices, to solve above-mentioned background skill What is proposed in art is difficult to protect current transformer, so that current transformer is caused to be easy to damage because of wind and weather, and Existing device be difficult to will to discharge the electricity that interval generates carry out it is pure, thus the problem of causing the waste of electric power resource.
To achieve the above object, the utility model provides the following technical solutions: a kind of transformer neutral point ground protection dress It sets, including apparatus main body, the top side of described device main body is connected with seal box, and the outer surface side of the seal box passes through Hinge is connected with dodge gate, and the outer surface side of the dodge gate is connected with handle, and divides among the outer surface of the dodge gate It is not provided with observation window and working panel, the top center of described device main body is connected with lightning rod, and described device main body The top other side is connected with disconnecting switch, and the bottom four corners of described device main body are respectively connected with support frame, and the one of support frame as described above Side is connected with control box, connecting rod is connected at the top of the control box, and the top of the connecting rod is connected with disconnecting switch It connects, the lower inside of the seal box is connected separately with current transformer and supporting insulator, and the top of the current transformer Portion side is connected with lead wire lever, and electric discharge interval, the seal box are provided between the top and supporting insulator of the lead wire lever Interior side be connected with battery, and the inner upper of the seal box is connected with headlamp.
Preferably, support frame as described above is provided with four, and the outer surface of four support frames as described above is uniformly coated with one layer Anti-decaying paint.
Preferably, the length of the seal box be 40cm, and the seal box using ABS engineering plastic materials make and At.
Preferably, the top of the supporting insulator, lightning rod and disconnecting switch passes through the first conducting wire and is connected.
Preferably, the top other side of the current transformer is connected by the second conducting wire with the bottom of battery, and Second conducting wire is all made of copper wire material with the first conducting wire and is made.
Preferably, among the outer surface that the observation window is bonded in dodge gate by way of strength gluing knot, and it is described Observation window is made using transparent acrylic material.
Compared with prior art, the utility model has the beneficial effects that this kind of transformer neutral point earth protection device, if It is equipped with seal box, working panel and battery, when user protects transformer using this kind of device, seal box can be right Current transformer is sealed protection, and the inside for avoiding rainwater from entering seal box damages current transformer, increases electric current The service life of mutual inductor, while when electric discharge interval is in electric discharge, the electric current that lead wire lever can generate electric discharge interval is conducted to electricity Current transformer, and current transformer can pass through second by working panel starting storage battery, after battery starting when being powered Electric current in current transformer is absorbed and is stored by conducting wire, when user is when repairing current transformer at night, Headlamp can be connected, so that headlamp be promoted to open to illuminating in seal box, to avoid the waste to electric power resource.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is utility model device body interior structural schematic diagram;
Fig. 3 is utility model device main body side structure schematic view.
In figure: 1, apparatus main body;2, seal box;3, dodge gate;4, handle;5, observation window;6, working panel;7, hinge; 8, lightning rod;9, the first conducting wire;10, disconnecting switch;11, connecting rod;12, control box;13, support frame;14, current transformer; 15, battery;16, headlamp;17, electric discharge interval;18, supporting insulator;19, the second conducting wire;20, lead wire lever.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model: the model LB-10 of current transformer.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of transformer neutral point earth protection device, Including apparatus main body 1, seal box 2, dodge gate 3, handle 4, observation window 5, working panel 6, hinge 7, lightning rod 8, the first conducting wire 9, between disconnecting switch 10, connecting rod 11, control box 12, support frame 13, current transformer 14, battery 15, headlamp 16, electric discharge Have a rest 17, supporting insulator 18, the second conducting wire 19 and lead wire lever 20, the top side of described device main body 1 is connected with seal box 2, The length of the seal box 2 is 40cm, and the seal box 2 is made using ABS engineering plastic materials, convenient for increasing sealing The intensity of case 2, and seal box 2 is avoided to leak electricity, the outer surface side of the seal box 2 is connected with dodge gate by hinge 7 3, the outer surface side of the dodge gate 3 is connected with handle 4, and observation is respectively arranged among the outer surface of the dodge gate 3 Window 5 and working panel 6, the observation window 5 is bonded among the outer surface of dodge gate 3 by way of strength gluing knot, and institute It states observation window 5 to be made using transparent acrylic material, be carried out convenient for user by inside of the observation window 5 to seal box 2 Observation, the top center of described device main body 1 are connected with lightning rod 8, and the top other side of described device main body 1 be connected with every Pass 10 is left, the bottom four corners of described device main body 1 are respectively connected with support frame 13, and support frame as described above 13 is provided with four, and four The outer surface of root support frame as described above 13 is uniformly coated with one layer of anti-decaying paint, and frame 13 easy to support stablizes apparatus main body 1 Support, and the corrosion due to effect for the water being subject to during prolonged use of support frame 13 is avoided, to increase branch The service life of support 13, the side of support frame as described above 13 are connected with control box 12, and the top of the control box 12 is connected with Extension bar 11, and the top of the connecting rod 11 is connected with disconnecting switch 10, the lower inside of the seal box 2 is connected separately with The top other side of current transformer 14 and supporting insulator 18, the current transformer 14 passes through the second conducting wire 19 and battery 15 bottom is connected, and second conducting wire 19 is all made of copper wire material with the first conducting wire 9 and is made, and is convenient for Current Mutual Inductance Electricity is conducted in battery 15 by device 14 by the second conducting wire 19, and increases the conductive system of the first conducting wire 9 and the second conducting wire 19 Number, the supporting insulator 18, lightning rod 8 and the top of disconnecting switch 10 pass through the first conducting wire 9 and are connected, and are convenient for lightning rod Electricity is conducted to supporting insulator 18 by the first conducting wire 9 by 8, and the top side of the current transformer 14 is connected with lead Bar 20 is provided with electric discharge interval 17, the inside one of the seal box 2 between the top and supporting insulator 18 of the lead wire lever 20 Side is connected with battery 15, and the inner upper of the seal box 2 is connected with headlamp 16.
Working principle: firstly, when user uses this kind of transformer neutral point earth protection device, user should be first right Apparatus main body 1 is checked, it is ensured that apparatus main body 1 it is intact, avoid user that accident occurs when in use, work as inspection After, user can be installed apparatus main body 1 on the transformer by support frame 13, and after installing, apparatus main body 1 can lead to It crosses lightning rod 8 to protect transformer, avoids transformer from being struck by lightning, and when rain, seal box 2 can be mutual to electric current Sensor 14 is protected, while when electric discharge interval 17 is in electric discharge, lead wire lever 20 can pass the electric current that electric discharge interval 17 generates It leads to current transformer 14, and current transformer 14 can be by 6 starting storage battery 15 of working panel when being powered, battery 15 opens After dynamic, the electric current in current transformer can be absorbed and be stored by the second conducting wire 19, when user at night to electric current When mutual inductor 14 repairs, battery 15 can be powered headlamp 16, last headlamp 16 open in seal box 2 into Row illumination.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of transformer neutral point earth protection device, including apparatus main body (1), it is characterised in that: described device main body (1) Top side be connected with seal box (2), the outer surface side of the seal box (2) is connected with dodge gate by hinge (7) (3), the outer surface side of the dodge gate (3) is connected with handle (4), and is set respectively among the outer surface of the dodge gate (3) It is equipped with observation window (5) and working panel (6), the top center of described device main body (1) is connected with lightning rod (8), and the dress The top other side for setting main body (1) is connected with disconnecting switch (10), and the bottom four corners of described device main body (1) are respectively connected with support Frame (13), the side of support frame as described above (13) are connected with control box (12), are connected with connecting rod at the top of the control box (12) (11), and the top of the connecting rod (11) is connected with disconnecting switch (10), and the lower inside of the seal box (2) connects respectively It is connected to current transformer (14) and supporting insulator (18), and the top side of the current transformer (14) is connected with lead wire lever (20), electric discharge interval (17), the seal box (2) are provided between the top and supporting insulator (18) of the lead wire lever (20) Interior side be connected with battery (15), and the inner upper of the seal box (2) is connected with headlamp (16).
2. a kind of transformer neutral point earth protection device according to claim 1, it is characterised in that: support frame as described above (13) four are provided with, and the outer surface of four support frames as described above (13) is uniformly coated with one layer of anti-decaying paint.
3. a kind of transformer neutral point earth protection device according to claim 1, it is characterised in that: the seal box (2) length is 40cm, and the seal box (2) is made using ABS engineering plastic materials.
4. a kind of transformer neutral point earth protection device according to claim 1, it is characterised in that: the supports insulative Sub (18), lightning rod (8) pass through the first conducting wire (9) with the top of disconnecting switch (10) and are connected.
5. a kind of transformer neutral point earth protection device according to claim 1, it is characterised in that: the Current Mutual Inductance The top other side of device (14) is connected by the second conducting wire (19) with the bottom of battery (15), and second conducting wire (19) Copper wire material is all made of with the first conducting wire (9) to be made.
6. a kind of transformer neutral point earth protection device according to claim 1, it is characterised in that: the observation window (5) it is bonded in by way of strength gluing knot among the outer surface of dodge gate (3), and the observation window (5) uses transparent Asia Gram force material is made.
CN201821355697.4U 2018-08-22 2018-08-22 A kind of transformer neutral point earth protection device Active CN208781679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821355697.4U CN208781679U (en) 2018-08-22 2018-08-22 A kind of transformer neutral point earth protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821355697.4U CN208781679U (en) 2018-08-22 2018-08-22 A kind of transformer neutral point earth protection device

Publications (1)

Publication Number Publication Date
CN208781679U true CN208781679U (en) 2019-04-23

Family

ID=66157511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821355697.4U Active CN208781679U (en) 2018-08-22 2018-08-22 A kind of transformer neutral point earth protection device

Country Status (1)

Country Link
CN (1) CN208781679U (en)

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