CN210427659U - Leakage current monitoring device for fault detection of transformer equipment - Google Patents
Leakage current monitoring device for fault detection of transformer equipment Download PDFInfo
- Publication number
- CN210427659U CN210427659U CN201920513764.9U CN201920513764U CN210427659U CN 210427659 U CN210427659 U CN 210427659U CN 201920513764 U CN201920513764 U CN 201920513764U CN 210427659 U CN210427659 U CN 210427659U
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- Prior art keywords
- leakage current
- transformer equipment
- fixedly connected
- casing
- fault detection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000011835 investigation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a transformer equipment fault detection is with revealing current monitoring devices, which comprises a housin, fixedly connected with stopper on the up end of casing, be equipped with the dead slot in the stopper, fixedly connected with metal contact on the up end of casing, the metal contact is located the dead slot, sliding connection has two metal splint in the dead slot. The utility model discloses thereby when transformer equipment breaks down and leads to ground connection iron core to have leakage current to produce, thereby remind the staff with glimmering light and buzzing, transformer equipment breaks down, and there is the danger that ground connection iron core has leakage current to produce, thereby have the effect that the production leakage current phenomenon that leads to transformer equipment breaks down and monitors and report to the police, make the trouble of discovery transformer equipment that the staff can be timely, and the very first time is to its investigation maintenance, unnecessary economic loss has been avoided.
Description
Technical Field
The utility model relates to a transformer equipment technical field especially relates to a transformer equipment fault detection is with revealing current monitoring devices.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, can convert high-voltage alternating current in a high-voltage power transmission line into 220V civil electricity, and plays an important role in the aspect of commercial power engineering.
In the using process of the transformer equipment, the phenomenon of electric leakage can possibly occur due to faults, so that whether the transformer equipment breaks down or not can be detected through the leakage current phenomenon of the monitoring transformer equipment, but the electric leakage phenomenon of the existing transformer equipment is generally detected through a test pencil and cannot be monitored in real time, so that the transformer equipment cannot be found out timely, and is checked and overhauled, and unnecessary economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: in the using process of the transformer equipment, the phenomenon of electric leakage can possibly occur due to faults, so that whether the transformer equipment breaks down or not can be detected through the leakage current phenomenon of the monitoring transformer equipment, but the electric leakage phenomenon of the existing transformer equipment is generally detected through a test pencil and cannot be monitored in real time, so that the transformer equipment cannot be found out timely, and is checked and overhauled, and unnecessary economic loss is caused.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a leakage current monitoring device for fault detection of transformer equipment comprises a shell, wherein a limiting block is fixedly connected to the upper end face of the shell, a hollow groove is formed in the limiting block, a metal contact piece is fixedly connected to the upper end face of the shell and is positioned in the hollow groove, two metal clamping plates are slidably connected to the hollow groove, the two metal clamping plates are slidably connected to one side wall, away from the shell, of the metal contact piece, threaded holes are formed in the two metal clamping plates, threaded rods penetrating through the limiting block are connected to the inner threads of the threaded holes, insulating knobs are fixedly connected to one ends of the threaded rods, leakage current conducting wires penetrating through the shell are fixedly connected to the bottom side walls of the metal contact piece, grounding wires penetrating through the shell are arranged on the bottom side walls of the shell, and copper blocks are fixedly connected to one ends, close to the shell, of the leakage, two terminals of symmetry fixedly connected with on the lateral wall of copper billet, install buzzer siren and warning light in the both ends of casing respectively, be close to two terminals that buzzer siren one side set up are close to through first connecting wire and buzzer siren electric connection two terminals that warning light one side set up pass through second connecting wire and warning light electric connection.
Preferably, one end of the grounding wire, which is far away from the shell, is fixedly connected with a counterweight copper column.
Preferably, a clamping groove is formed in one end, far away from the grounding wire, of the counterweight copper column.
Preferably, two sections of threads with opposite spiral directions are arranged on the outer side wall of the threaded rod.
Preferably, one end of the grounding wire close to the shell is fixedly connected with a sealing ring, and the sealing ring is fixedly connected to the bottom side wall of the shell.
Preferably, the shell and the limiting block are both made of an insulated bakelite material.
The utility model has the advantages that: thereby when transformer equipment breaks down and leads to the electric leakage, remind the staff with glimmering light and buzzing, transformer equipment breaks down to there is the danger of electric leakage, thereby has the effect of monitoring and reporting to the police the thereby leakage current phenomenon that leads to of transformer equipment breaking down, makes the trouble of discovery transformer equipment that the staff can be timely, and the very first time is examined and repaired it, has avoided unnecessary economic loss.
Drawings
Fig. 1 is a cross-sectional view of an internal structure of a leakage current monitoring device for detecting a fault of a transformer device according to the present invention;
fig. 2 is the utility model provides a transformer equipment fault detection is with revealing current monitoring devices's side structure schematic diagram.
In the figure: the device comprises a shell 1, a limiting block 2, a metal contact piece 3, a metal clamping plate 4, a threaded rod 5, an insulating knob 6, a leakage current lead 7, a grounding wire 8, a copper block 9, a binding post 10, a first connecting lead 11, a buzzer alarm 12, a second connecting lead 13, a warning lamp 14, a sealing ring 15 and a balance weight copper column 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a transformer equipment fault detection is with revealing current monitoring devices, including casing 1, fixedly connected with stopper 2 on the up end of casing 1, casing 1 and stopper 2 are made by the bakelite material, prevent that the staff from when installing casing 1 on transformer equipment's shell, because of the transformer equipment condition of leaking electricity leads to the staff to have the danger of electrocuteeing, thereby protect staff's personal safety, be equipped with the dead slot in the stopper 2, fixedly connected with metal contact 3 on casing 1's the up end, metal contact 3 is located the dead slot.
Sliding connection has two metal splint 4 in the dead slot, the equal sliding connection of two metal splint 4 is on metal contact 3 keeps away from a lateral wall of casing 1, all be equipped with the screw hole in two metal splint 4, screw hole female connection has threaded rod 5 that runs through stopper 2, be equipped with two sections opposite spiral direction's screw thread on the lateral wall of threaded rod 5, threaded rod 5 one serves insulating knob 6 of fixedly connected with, through twisting insulating knob 6, it is rotatory to order about threaded rod 5, under the threaded connection effect of two sections opposite screw threads on threaded rod 5, order about two metal splint 4 and be close to each other.
With the 4 centre gripping of metal splint on the radiator of transformer equipment shell, thereby on fixing transformer equipment with casing 1 installation, fixedly connected with runs through casing 1's leakage current wire 7 on the end lateral wall of metal contact 3, be equipped with the earth connection 8 that runs through casing 1 on casing 1's the end lateral wall, earth connection 8 keeps away from one of casing 1 and serves fixedly connected with counter weight copper post 16, with the help of the action of gravity of counter weight copper post 16, make earth connection 8 can stable ground, can not receive weather and wind influence and rock everywhere, be equipped with the draw-in groove in the one end that earth connection 8 was kept away from to counter weight copper post 16.
If near transformer equipment subaerial ground connection post of having preset, then can pass through the draw-in groove, cup joint counter weight copper post 16 on the ground connection post, thereby accomplish ground connection, ground connection 8 is close to one of casing 1 and serves fixedly connected with sealing ring 15, sealing ring 15 fixed connection is on the end lateral wall of casing 1, seal up the 1 internal environment of casing, thereby prevent that the circuit from receiving the influence of ground moisture and the condition of short circuit from appearing in casing 1, ensure that this leakage current monitoring devices can keep normal work in overcast and rainy day.
Equal fixedly connected with copper billet 9 in one of leakage current wire 7 and earth connection 8 are close to casing 1, two terminal 10 of symmetry fixedly connected with on the lateral wall of copper billet 9, install buzzer siren 12 and warning light 14 in the both ends of casing 1 respectively (buzzer siren 12 and warning light 14 all belong to prior art, its theory of operation and connected mode are no longer described in detail here), two terminal 10 that are close to buzzer siren 12 one side and set up are through first connecting wire 11 and buzzer siren 12 electric connection, two terminal 10 that are close to warning light 14 one side and set up pass through second connecting wire 13 and warning light 14 electric connection.
Thereby when transformer equipment breaks down and leads to the electric leakage, the leakage current conducts to leakage current wire 7 through metal splint 4 and metal contact 3, then through copper billet 9 and terminal 10, respectively with leakage current conduction to buzzer siren 12 and warning light 14, buzzer siren 12 is connected with earth connection 8 electricity through first connecting wire 11, thereby constitute complete return circuit, begin work, buzzer siren, warning light 14 is connected through remaining earth connection 8 electricity of second connecting wire 13, also constitute complete return circuit, begin work, remind the staff with glimmering light and buzzing, transformer equipment breaks down, and there is the danger of electric leakage, remind the maintainer in time to overhaul trouble transformer equipment, thereby have the leakage current phenomenon that leads to transformer equipment breaks down and monitor and the effect of reporting to the police.
In the utility model, when the transformer equipment has a fault and causes electric leakage, the leakage current is transmitted to a leakage current lead 7 through a metal clamping plate 4 and a metal contact piece 3, then the leakage current is transmitted to a buzzer alarm 12 and a warning lamp 14 through a copper block 9 and a binding post 10 respectively, the buzzer alarm 12 is electrically connected with a grounding wire 8 through a first connecting lead 11, thereby forming a complete loop to start working and carry out buzzer alarm, the warning lamp 14 is electrically connected with the grounding wire 8 through a second connecting lead 13, thereby forming a complete loop to start working, and reminding workers with flashing light and buzzer, the transformer equipment has a fault and has danger of electric leakage, thereby having the functions of monitoring and alarming the leakage current phenomenon caused by the fault of the transformer equipment, and leading the workers to find the fault of the transformer equipment in time, and the inspection and overhaul are carried out on the steel pipe at the first time.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A leakage current monitoring device for transformer equipment fault detection comprises a shell (1) and is characterized in that a limiting block (2) is fixedly connected to the upper end face of the shell (1), a hollow groove is formed in the limiting block (2), a metal contact piece (3) is fixedly connected to the upper end face of the shell (1), the metal contact piece (3) is located in the hollow groove, two metal clamping plates (4) are connected to the hollow groove in a sliding mode, the two metal clamping plates (4) are connected to the metal contact piece (3) in a sliding mode and far away from one side wall of the shell (1), threaded holes are formed in the two metal clamping plates (4), threaded rods (5) penetrating through the limiting block (2) are connected to the threaded holes in a threaded mode, an insulating knob (6) is fixedly connected to one end of each threaded rod (5), a leakage current lead (7) penetrating through the shell (1) is fixedly connected to the bottom side wall of each metal contact piece, be equipped with earth connection (8) that runs through casing (1) on the end lateral wall of casing (1), equal fixedly connected with copper billet (9) are served near casing (1) in leakage current wire (7) and earth connection (8), two terminals (10) of symmetry fixedly connected with on the lateral wall of copper billet (9), install buzzer siren (12) and warning light (14) in the both ends of casing (1) respectively, be close to two terminals (10) that buzzer siren (12) one side set up are close to through first connecting wire (11) and buzzer siren (12) electric connection two terminals (10) that warning light (14) one side set up are through second connecting wire (13) and warning light (14) electric connection.
2. The leakage current monitoring device for transformer equipment fault detection according to claim 1, wherein a counterweight copper column (16) is fixedly connected to one end of the grounding wire (8) far away from the shell (1).
3. The leakage current monitoring device for transformer equipment fault detection according to claim 2, wherein a clamping groove is formed in one end, away from the grounding wire (8), of the counterweight copper pillar (16).
4. The leakage current monitoring device for transformer equipment fault detection according to claim 1, wherein two sections of threads with opposite spiral directions are arranged on the outer side wall of the threaded rod (5).
5. The leakage current monitoring device for transformer equipment fault detection according to claim 1, wherein a sealing ring (15) is fixedly connected to one end of the grounding wire (8) close to the casing (1), and the sealing ring (15) is fixedly connected to a bottom side wall of the casing (1).
6. The leakage current monitoring device for transformer equipment fault detection according to claim 1, wherein the housing (1) and the limiting block (2) are both made of bakelite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513764.9U CN210427659U (en) | 2019-04-16 | 2019-04-16 | Leakage current monitoring device for fault detection of transformer equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513764.9U CN210427659U (en) | 2019-04-16 | 2019-04-16 | Leakage current monitoring device for fault detection of transformer equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427659U true CN210427659U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920513764.9U Expired - Fee Related CN210427659U (en) | 2019-04-16 | 2019-04-16 | Leakage current monitoring device for fault detection of transformer equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269077A (en) * | 2020-10-10 | 2021-01-26 | 苏州中康电力运营有限公司 | Testing device and testing method for oil-immersed transformer |
| CN113251889A (en) * | 2021-05-17 | 2021-08-13 | 成都宏明双新科技股份有限公司 | Arch material belt real-time detection device |
-
2019
- 2019-04-16 CN CN201920513764.9U patent/CN210427659U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269077A (en) * | 2020-10-10 | 2021-01-26 | 苏州中康电力运营有限公司 | Testing device and testing method for oil-immersed transformer |
| CN113251889A (en) * | 2021-05-17 | 2021-08-13 | 成都宏明双新科技股份有限公司 | Arch material belt real-time detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |