CN201466492U - Electrical anti-maloperation locking device for ground stud tip - Google Patents
Electrical anti-maloperation locking device for ground stud tip Download PDFInfo
- Publication number
- CN201466492U CN201466492U CN2009201219307U CN200920121930U CN201466492U CN 201466492 U CN201466492 U CN 201466492U CN 2009201219307 U CN2009201219307 U CN 2009201219307U CN 200920121930 U CN200920121930 U CN 200920121930U CN 201466492 U CN201466492 U CN 201466492U
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- electromagnetic lock
- relay
- ground
- locking device
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Abstract
The utility model relates to an electrical anti-maloperation locking device for a ground stud tip. The device mainly comprises a ground stud tip, an electromagnetic lock, a relay, and an outdoor high-voltage electrified display unit, wherein the input terminal of the outdoor high-voltage electrified display unit is connected with electric equipment, the output terminal thereof is connected with the electromagnetic lock through the relay, and the relay is used for controlling the make-and-break of the power source of the electromagnetic lock connected with the ground stud tip and is used for starting or locking the ground stud tip. The outdoor high-voltage electrified display unit starts a control relay, and the control relay acts a normally closed contact thereof to switch out the power source of the electromagnetic lock, so that the electromagnetic lock can not operate without electricity, the electromagnetic lock locks the ground stud tip, and a ground wire can not be grounded with an grounding device. The utility model has the benefits that the electrical anti-maloperation locking device has the advantages of advanced design, reasonable structure, complete functions, and reliable performance, thereby being a novel electrical anit-misoperation locking device preventing the ground wire from misoperation locking.
Description
Technical field
The utility model relates generally to the electric anti-misoperation locking of isolating switch, mainly is the electric anti-misoperation locking device of a kind of ground connection pile crown.
Background technology
During electric substation electricity equipment operation, earth connection can mount whenever and wherever possible, and mounting the ground connection pile crown does not have the anti-charged earth connection blocking function that mounts.In electric power system, prevent electric misoperation, guarantee to send out, the safe and reliable operation of controller switching equipment and electric line is also to be one of most important requirement primarily, just in case have an accident, enormous economic loss be will cause, even equipment and personal safety jeopardized.For this reason, the power industry mandatory requirement takes to prevent the electric misoperation device in electric power system, to satisfy electric power " five is anti-" requirement.
So-called electric power " five is anti-" is meant: prevent that mistake from dividing, mistake is closed circuit breaker, prevent the on-load branch, close isolating switch, prevent charged hanging earthing conductor or splice grafting ground switch, prevent to be with earth connection or separate earthed switch and close isolating switch, prevent mistakenly entering charged chamber.Prevent that the electric misoperation device is a lot, such as Mechanically programm's lock, electromagnetic lock, microcomputer locking etc.But electric substation does not have the anti-charged ground connection blocking function that mounts.In service at power equipment, the pernicious misoperation fault of charged hanging earthing conductor slowly constantly occurs.Cause electric grid large area power cut, even can cause serious accidents such as device damage, casualties.For this reason, people have thought many ways, but all can not thoroughly solve this difficult problem.
In order to ensure the safe and reliable operation of electric power system, guarantee the safety of the equipment and the person, can mount earth connection just must accomplish only to have or not under the electricity ground situation.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provide a kind of ground connection pile crown electric anti-misoperation locking device, whether this device not only can accurately be judged charged in the system, give information, can also implement forced blocking to electromagnetic lock, reach and prevent charged hanging earthing conductor misoperation fault, the purpose of the safe and reliable operation of assurance power system device.
The utility model solves the technical scheme that its technical problem adopts: the electric anti-misoperation locking device of this ground connection pile crown, mainly comprise earth connection ground pile crown, electromagnetic lock, relay and outdoor high-voltage electrification display, wherein the input of outdoor high-voltage electrification display and power consumption equipment join, the output of outdoor high-voltage electrification display is connected with electromagnetic lock by relay, relay is used to control the break-make of electromagnetic lock power supply, electromagnetic lock is connected with earth connection ground pile crown, is used for opening or locking earth connection ground pile crown.Outdoor high-voltage electrification display start-up control relay, control relay move its normally closed contact and disconnect electromagnetic lock power supply, and the electromagnetic lock dead electricity can't be worked, and electromagnetic lock is the locking of ground connection pile crown, earth connection can't with earthing device ground connection.
As preferably, described relay is the relay of normally closed contact.
The effect that the utility model is useful is: the electric anti-misoperation locking device advanced design of the ground connection pile crown of employing, rational in infrastructure, multiple functional, dependable performance.It is a kind of novel charged hanging earthing conductor electric misoperation locking device that prevents.
Description of drawings
Fig. 1 is the utility model structural representation.
Description of reference numerals: earth connection ground pile crown 1, electromagnetic lock 2, relay 3, outdoor high-voltage electrification display 4.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, the electric anti-misoperation locking device of this ground connection pile crown mainly comprises earth connection ground pile crown 1, electromagnetic lock 2, relay 3 and outdoor high-voltage electrification display 4, and relay 3 is the relay of normally closed contact.Wherein the input of outdoor high-voltage electrification display 4 and power consumption equipment join, the output of outdoor high-voltage electrification display 4 is connected with electromagnetic lock 2 by relay 3, relay 3 is used to control the break-make of electromagnetic lock 2 power supplys, electromagnetic lock 2 is connected with earth connection ground pile crown 1, is used for opening or locking earth connection ground pile crown 1.
The utility model ground connection pile crown electric misoperation locking device principle is: when electric equipment charged, outdoor high-voltage electrification display 4 start-up control relays 3, control relay 3 its normally closed contacts of action disconnect electromagnetic lock 2 power supplys, electromagnetic lock 2 dead electricity can't be worked, with 1 locking of ground connection pile crown, earth connection can't with earthing device ground connection.Electric equipment does not have, outdoor high-voltage electrification display 4 is not worked, control relay 3 losss of excitation, control relay 3 its normally closed contacts of action are connected the electromagnetic lock power supply, this moment, electromagnetic lock 2 can be worked, open earthing device electromagnetic lock 2,, reach and prevent the charged ground electric blocking function that articulates ground connection end and earth connection ground pile crown 1.
In addition to the implementation, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (2)
1. electric anti-misoperation locking device of ground connection pile crown, it is characterized in that: mainly comprise earth connection ground pile crown (1), electromagnetic lock (2), relay (3) and outdoor high-voltage electrification display (4), wherein the input and the power consumption equipment of outdoor high-voltage electrification display (4) join, the output of outdoor high-voltage electrification display (4) is connected with electromagnetic lock (2) by relay (3), relay (3) is used to control the break-make of electromagnetic lock (2) power supply, electromagnetic lock (2) is connected with earth connection ground pile crown (1), is used for opening or locking earth connection ground pile crown (1).
2. the electric anti-misoperation locking device of ground connection pile crown according to claim 1 is characterized in that: described relay (3) is the relay of normally closed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201219307U CN201466492U (en) | 2009-06-11 | 2009-06-11 | Electrical anti-maloperation locking device for ground stud tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201219307U CN201466492U (en) | 2009-06-11 | 2009-06-11 | Electrical anti-maloperation locking device for ground stud tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466492U true CN201466492U (en) | 2010-05-12 |
Family
ID=42393839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201219307U Expired - Fee Related CN201466492U (en) | 2009-06-11 | 2009-06-11 | Electrical anti-maloperation locking device for ground stud tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466902A (en) * | 2014-12-31 | 2015-03-25 | 广州供电局有限公司 | Interlocker preventing mistaken cable electrified switched-on of earth switch for 10 kV switch cabinet |
| CN107508148A (en) * | 2017-08-17 | 2017-12-22 | 广东电网有限责任公司佛山供电局 | A kind of closedown structure of transformer substation grounding wire |
| CN112234459A (en) * | 2020-11-11 | 2021-01-15 | 国网山东省电力公司青岛供电公司 | External electrified blocking device of box electrical equipment and box electrical equipment |
-
2009
- 2009-06-11 CN CN2009201219307U patent/CN201466492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466902A (en) * | 2014-12-31 | 2015-03-25 | 广州供电局有限公司 | Interlocker preventing mistaken cable electrified switched-on of earth switch for 10 kV switch cabinet |
| CN107508148A (en) * | 2017-08-17 | 2017-12-22 | 广东电网有限责任公司佛山供电局 | A kind of closedown structure of transformer substation grounding wire |
| CN112234459A (en) * | 2020-11-11 | 2021-01-15 | 国网山东省电力公司青岛供电公司 | External electrified blocking device of box electrical equipment and box electrical equipment |
| CN112234459B (en) * | 2020-11-11 | 2023-02-28 | 国网山东省电力公司青岛供电公司 | External electrified locking device of box electrical equipment and box electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100611 |