CN110610800A - Primary side rapid grounding device and method for 10 kV transformer platform - Google Patents
Primary side rapid grounding device and method for 10 kV transformer platform Download PDFInfo
- Publication number
- CN110610800A CN110610800A CN201810617824.1A CN201810617824A CN110610800A CN 110610800 A CN110610800 A CN 110610800A CN 201810617824 A CN201810617824 A CN 201810617824A CN 110610800 A CN110610800 A CN 110610800A
- Authority
- CN
- China
- Prior art keywords
- drop
- grounding
- out fuse
- pile head
- lower pile
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a primary side quick grounding device and a grounding method of a 10 kV transformer station, which comprise a drop-out fuse lower pile head connecting device, wherein a pressing plate, a main contact, an auxiliary contact and an operating ring are arranged in the drop-out fuse lower pile head connecting device, the drop-out fuse lower pile head connecting device is connected with a drop-out fuse lower pile head through the main contact, the pressing plate is connected with a grounding wire through a copper wiring terminal, an electric alarm is arranged on the grounding wire, and a grounding ring is arranged at the bottom end of the grounding wire. The whole device is made of copper, so that the requirement of grounding current is met; the structure of the device is perfectly matched with the shape of the upper pile head of the drop-out fuse, the main contact and the auxiliary contact are simultaneously connected with the upper pile head of the drop-out fuse, the contact resistance is small, the connection is tight, and the drop-out fuse is not easy to fall off; the installation and the removal can be carried out through the insulating operating rod, the operation is simple and convenient, and the safety is high; the problem that the lower pile head of the drop-out fuse is difficult to ground in actual work is solved, and the safety of a power grid is guaranteed.
Description
Technical Field
The invention relates to a grounding device and a grounding method, in particular to a primary side quick grounding device and a grounding method of a 10 kV transformer station, and belongs to the technical field of power equipment.
Background
When the transformer station is in power failure operation, in order to prevent the situations of reverse power transmission, electric leakage and the like, safety measures of grounding are required to be taken at the lower pile head of the primary side drop-out fuse of the transformer station. The existing grounding device is mainly suitable for grounding equipment provided with a special grounding ring, is not matched with the shape of a lower pile head of a drop-out fuse, is in virtual connection with the lower pile head of the drop-out fuse or even drops off, loses grounding protection and easily causes personal injury accidents if the insulating part of the drop-out fuse leaks electricity at the moment.
Disclosure of Invention
The invention aims to overcome the defects that the existing grounding device is mainly suitable for grounding equipment provided with a special grounding ring, is not matched with the shape of a lower pile head of a drop-out fuse, is in virtual connection with the lower pile head of the drop-out fuse, even drops the grounding device, loses grounding protection and easily causes personal injury accidents if the insulating part of the drop-out fuse leaks electricity at the moment, and provides a primary side quick grounding device and a grounding method for a 10 kV transformer platform.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a primary side quick grounding device and a primary side quick grounding method for a 10 kV transformer station, which comprise a drop-out fuse lower pile head connecting device, an electric alarm and a grounding ring, wherein a pressing plate, a main contact, an auxiliary contact and an operating ring are arranged in the drop-out fuse lower pile head connecting device, the drop-out fuse lower pile head connecting device is connected with a drop-out fuse lower pile head through the main contact, the pressing plate is connected with a grounding wire through a copper wiring terminal, the grounding wire is provided with the electric alarm, and the bottom end of the grounding wire is provided with the grounding ring.
As a preferred technical solution of the present invention, a device main body for connecting the pressure plate, the main contact, the auxiliary contact, and the operating ring is provided in the drop-out fuse lower pile head connecting device.
As a preferred technical scheme of the invention, the lower end of the lower pile head of the drop-out fuse is in a hook shape.
As a preferable technical solution of the present invention, the ground wire is a soft copper wire with a transparent sheath or a hard strip copper plate.
As a preferred technical scheme of the invention, the middle part of the pressing plate is provided with a connecting hole, and the copper wiring terminal is connected with the pressing plate through the connecting hole.
As a preferred technical scheme of the invention, the grounding step is as follows: when the drop-out fuse is pulled open and the fuse tube is taken down, the main contact of the device is hung at the hook of the lower pile head of the drop-out fuse by using the insulating operating rod through the operating ring; the device is pushed upwards anticlockwise by using the main contact as a circle center through the operating ring by using the insulating operating rod until the auxiliary contact is contacted with the lower pile head of the drop-out fuse, the auxiliary contact limits the device to continue rotating at the moment, and the device is fixed completely; and connecting the universal grounding device to a grounding ring at the lower end of the device, and connecting the lower pile head of the drop-out fuse with the universal grounding device through the device to complete the grounding task.
The invention has the following beneficial effects: the whole device is made of copper, so that the requirement of grounding current is met; the structure of the device is perfectly matched with the shape of the upper pile head of the drop-out fuse, the main contact and the auxiliary contact are simultaneously connected with the upper pile head of the drop-out fuse, the contact resistance is small, the connection is tight, and the drop-out fuse is not easy to fall off; the grounding ring at the lower end can be connected with a universal grounding device, a new grounding device does not need to be additionally designed, and the universality is high; the device has the function of reminding by electricity, and can find hidden dangers at the first time; the installation and the removal can be carried out through the insulating operating rod, the operation is simple and convenient, and the safety is high; the service life is long, the device can be used repeatedly, and the comprehensive cost is low; the problem that the lower pile head of the drop-out fuse is difficult to ground in actual work is solved, the safety of a power grid and equipment is guaranteed, and personal accidents are avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the drop-out fuse lower stud head connecting device of the present invention;
fig. 3 is a left side view of the drop-out fuse lower pile head connecting device of the present invention;
fig. 4 is a top view of the drop-out fuse lower stud head connecting device of the present invention;
in the figure: 1. the lower pile head connecting device of the drop-out fuse; 2. a lower pile head of the drop-out fuse; 3. a copper wiring terminal; 4. a ground line; 5. an electric alarm; 6. a ground ring; 7. pressing a plate; 8. a main contact; 9. an auxiliary contact; 10. an operating ring; 11. a device body.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-4, the invention provides a primary side fast grounding device and a grounding method for a 10 kv transformer station, which comprises a drop-out fuse lower pile head connecting device 1, an electric alarm 5 and a grounding ring 6, wherein a pressing plate 7, a main contact 8, an auxiliary contact 9 and an operating ring 10 are arranged in the drop-out fuse lower pile head connecting device 1, the drop-out fuse lower pile head connecting device 1 is connected with a drop-out fuse lower pile head 2 through the main contact 8, the pressing plate 7 is connected with a grounding wire 4 through a copper wiring terminal 3, the grounding wire 4 is provided with the electric alarm 5, and the bottom end of the grounding wire 4 is provided with the grounding ring 6.
The drop-out fuse lower pile head connecting device 1 is internally provided with a device main body 11 for connecting the pressure plate 7, the main contact 8, the auxiliary contact 9 and the operating ring 10. The lower end of the lower pile head 2 of the drop-out fuse is in a hook shape. The grounding wire 4 is a soft copper wire with a transparent sheath or a hard strip copper plate. The middle part of the pressing plate 7 is provided with a connecting hole, and the copper wiring terminal 3 is connected with the pressing plate 7 through the connecting hole.
The grounding step is as follows: when the drop-out fuse is pulled open and the fuse tube is taken down, the main contact 8 of the device is hung at the hook of the drop-out fuse lower pile head 2 by an insulating operating rod through an operating ring 10; the device is pushed upwards anticlockwise by using an insulating operating rod through an operating ring 10 with the main contact as the center of a circle until the auxiliary contact 9 is contacted with the lower pile head 2 of the drop-out fuse, at the moment, the auxiliary contact 9 limits the device to continue rotating, and the device is fixed completely; and the universal grounding device is connected to the grounding ring 6 at the lower end of the device, and at the moment, the lower pile head of the drop-out fuse is connected with the universal grounding device through the device, so that the grounding task is completed. When leakage current passes through the grounding wire 4, the electric alarm 5 gives out sound and light alarm for reminding.
The invention has the following beneficial effects: the whole device is made of copper, so that the requirement of grounding current is met; the structure of the device is perfectly matched with the shape of the upper pile head of the drop-out fuse, the main contact and the auxiliary contact are simultaneously connected with the upper pile head of the drop-out fuse, the contact resistance is small, the connection is tight, and the drop-out fuse is not easy to fall off; the grounding ring at the lower end can be connected with a universal grounding device, a new grounding device does not need to be additionally designed, and the universality is high; the device has the function of reminding by electricity, and can find hidden dangers at the first time; the installation and the removal can be carried out through the insulating operating rod, the operation is simple and convenient, and the safety is high; the service life is long, the device can be used repeatedly, and the comprehensive cost is low; the problem that the lower pile head of the drop-out fuse is difficult to ground in actual work is solved, the safety of a power grid and equipment is guaranteed, and personal accidents are avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1.10 kilovolt transformer platform once inclines quick earthing device, including drop out fuse lower pile head connecting device (1), have electric alarm (5) and ground ring (6), its characterized in that, be provided with clamp plate (7), main contact (8), auxiliary contact (9) and handle ring (10) in drop out fuse lower pile head connecting device (1), drop out fuse lower pile head connecting device (1) is connected with drop out fuse lower pile head (2) through main contact (8), clamp plate (7) are connected with earth connection (4) through copper binding post (3), install on earth connection (4) and have electric alarm (5), ground ring (6) are installed to the bottom of earth connection (4).
2. The primary-side quick grounding device of a 10 kv transformer station according to claim 1, wherein a device body (11) for connecting the pressing plate (7), the main contact (8), the auxiliary contact (9) and the operating ring (10) is provided in the drop fuse lower stud head connecting device (1).
3. The primary-side quick grounding device of 10 kv transformer station according to claim 2, characterized in that the lower end of the drop-out fuse lower stub (2) is in a hook shape.
4. The primary-side fast grounding device of a 10 kV transformer station according to claim 3, wherein the grounding wire (4) is a soft copper wire with a transparent sheath or a hard strip copper plate.
5. The primary-side quick grounding device of the 10 kV transformer station according to claim 4, wherein a connecting hole is formed in the middle of the pressure plate (7), and the copper terminal (3) is connected to the pressure plate (7) through the connecting hole.
The method for quickly grounding the primary side of the 6.10 kV transformer station is characterized by comprising the following grounding steps:
the method comprises the following steps: when the drop-out fuse is pulled open and the fuse tube is taken down, the main contact (8) of the device is hung at the hook of the lower pile head (2) of the drop-out fuse by an insulating operating rod through an operating ring (10);
step two: the device is pushed upwards anticlockwise by using an insulating operating rod through an operating ring (10) with a main contact (8) as a circle center until an auxiliary contact (9) is contacted with a lower pile head (2) of the drop-out fuse, the auxiliary contact (9) limits the device to continue rotating, and the device is fixed;
step three: and the universal grounding device is connected to a grounding ring (6) at the lower end of the device, and at the moment, the lower pile head (2) of the drop-out fuse is connected with the universal grounding device through the device, so that the grounding task is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617824.1A CN110610800A (en) | 2018-06-15 | 2018-06-15 | Primary side rapid grounding device and method for 10 kV transformer platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617824.1A CN110610800A (en) | 2018-06-15 | 2018-06-15 | Primary side rapid grounding device and method for 10 kV transformer platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110610800A true CN110610800A (en) | 2019-12-24 |
Family
ID=68887994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810617824.1A Pending CN110610800A (en) | 2018-06-15 | 2018-06-15 | Primary side rapid grounding device and method for 10 kV transformer platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110610800A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004248359A (en) * | 2003-02-12 | 2004-09-02 | Hitachi Ltd | Ground transformer |
| CN202026030U (en) * | 2011-04-29 | 2011-11-02 | 姜迅 | High-voltage electricity detection grounding ring device at platform area |
| CN202352852U (en) * | 2011-12-03 | 2012-07-25 | 嵊州市电力公司 | Grounding device with support insulator |
| CN205039128U (en) * | 2015-10-28 | 2016-02-17 | 国家电网公司 | Take high -tension drop type fuse of ground connection link |
| CN105375376A (en) * | 2015-09-01 | 2016-03-02 | 上海大华电器设备有限公司 | Combined substation electrical switch cabinet |
| CN205488635U (en) * | 2016-04-11 | 2016-08-17 | 国家电网公司 | Power distribution station is with high -pressure short to ground stick |
| CN106486327A (en) * | 2015-08-28 | 2017-03-08 | 哈尔滨朗昇电气股份有限公司 | Outlet fuse switch and blowout method |
| CN208315368U (en) * | 2018-06-15 | 2019-01-01 | 国网辽宁省电力有限公司营口供电公司 | 10 kv transformer platform primary side Rapid grounding devices |
-
2018
- 2018-06-15 CN CN201810617824.1A patent/CN110610800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004248359A (en) * | 2003-02-12 | 2004-09-02 | Hitachi Ltd | Ground transformer |
| CN202026030U (en) * | 2011-04-29 | 2011-11-02 | 姜迅 | High-voltage electricity detection grounding ring device at platform area |
| CN202352852U (en) * | 2011-12-03 | 2012-07-25 | 嵊州市电力公司 | Grounding device with support insulator |
| CN106486327A (en) * | 2015-08-28 | 2017-03-08 | 哈尔滨朗昇电气股份有限公司 | Outlet fuse switch and blowout method |
| CN105375376A (en) * | 2015-09-01 | 2016-03-02 | 上海大华电器设备有限公司 | Combined substation electrical switch cabinet |
| CN205039128U (en) * | 2015-10-28 | 2016-02-17 | 国家电网公司 | Take high -tension drop type fuse of ground connection link |
| CN205488635U (en) * | 2016-04-11 | 2016-08-17 | 国家电网公司 | Power distribution station is with high -pressure short to ground stick |
| CN208315368U (en) * | 2018-06-15 | 2019-01-01 | 国网辽宁省电力有限公司营口供电公司 | 10 kv transformer platform primary side Rapid grounding devices |
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