CN106129974A - A kind of automation equipment of relay protection of power system - Google Patents
A kind of automation equipment of relay protection of power system Download PDFInfo
- Publication number
- CN106129974A CN106129974A CN201610535987.6A CN201610535987A CN106129974A CN 106129974 A CN106129974 A CN 106129974A CN 201610535987 A CN201610535987 A CN 201610535987A CN 106129974 A CN106129974 A CN 106129974A
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- China
- Prior art keywords
- magnet
- power system
- relay protection
- automation equipment
- coil
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
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- Relay Circuits (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
nullThe invention discloses the automation equipment of a kind of relay protection of power system，Including Magnet，The lower surface of described Magnet is installed with coil，And coil is separately positioned on the top within Magnet and bottom，It is directly connected to by unidirectional copper cash between said two coil，Z-shaped tongue piece it is movably installed with between two coils，Described Z-shaped tongue piece center is provided with rotary shaft，It is installed with helical spring on the rotary shaft，And it is installed with fixed screw at the top of rotary shaft，Described helical spring connects stationary contact，Described stationary contact connects movable contact，Described helical spring connects has rotation to adjust axle，Setting valve is had to adjust handle rotating the connection of adjustment axle top，Described movable contact connects protected line interface，Use the principle that mechanical realization and Based Intelligent Control effect combine，By the intelligence system detection to primary voltage Yu electric current，Stability and the susceptiveness of reaction and swiftness are provided simultaneously with it.
Description
Technical field
The present invention relates to technical field of electric equipment, the automation equipment of a kind of relay protection of power system.
Background technology
Relay protection of power system and automaton (hereinafter referred to as relay protection and automaton) be power system security,
The Reliable guarantee of stable operation, power system be send out (electromotor), for (transformator, circuit), the general name of electricity consumption, power system by
In being affected, inevitably by nature (such as thunderbolt, disaster caused by a windstorm etc.), artificial (defect on such as device fabrication, maloperation etc.) factor
Various forms of short trouble (hereinafter referred to as fault) and abnormal working position, fault and abnormal working position can occur,
Accident, accident all may be caused in power system to refer to, and system or a part therein normally work goes to pot, cause to
Few power transmission at family or personal injury and device damage, the former is referred to as power outage, and the latter is referred to as the person and equipment breakdown.
The production (generating) of electric energy, carry, distribute, use and carry out simultaneously, from power supply to load, be one closely connect
Big system that is that connect and that be widely distributed, therefore, has pole strict requirements to the quality of power supply and Operation of Electric Systems, in operation
Go wrong, incorrect all can affect the properly functioning of power system if processing not in time or processing, even cause large area to stop
Electricity；The fault locally occurred, as dealt with improperly, can affect whole power system, along with electromotor single-machine capacity and power system
The continuous expansion of capacity, the requirement to operation level is more and more higher, only by the help of automaton, can be only achieved modern electricity
Operation level required by Force system.
And for power system, use the structure of power system self to carry out oneself's detection and protection is the most right
One main trend of protecting electrical power system, what this device was most widely used at present is exactly relay automation equipment, and relay is protected
The function protected, it is simply that the electric parameters detected is compared with setting valve, when crossing setting valve or border with regard to action, relay
The quality of protection device work is weighed with four basic demands: reliability, swiftness, selectivity and susceptiveness.
Summary of the invention
For problem above, the invention provides the automation equipment of a kind of relay protection of power system, use machinery structure
Make the principle combined with Based Intelligent Control effect, by the intelligence system detection to primary voltage Yu electric current, find in time not to be inconsistent
Close the electrical properties of rule, be provided with the selectivity of height, thus control the frame for movement within relay to control whole electricity
Whether the path on road, adds sensitive control parts, while improve relay stability, the most greatly inside frame for movement
Improve greatly the susceptiveness of reaction and swiftness, can effectively solve the problem in background technology.
For achieving the above object, the present invention provides following technical scheme: the automatic of a kind of relay protection of power system is disguised
Putting, including Magnet, the lower surface of described Magnet is installed with coil, and coil is separately positioned on the top within Magnet and the end
Portion, is directly connected to by unidirectional copper cash between said two coil, is movably installed with Z-shaped tongue piece, described Z between two coils
Shape tongue piece is made up of some pieces of iron plates, the center of described Z-shaped tongue piece and the center of coil point-blank, and with in Magnet
Point-blank, described Z-shaped tongue piece center is provided with rotary shaft to the heart, is installed with helical spring on the rotary shaft, and
Be installed with fixed screw at the top of rotary shaft, described helical spring connects stationary contact, and described stationary contact connects to be had
Contact, described helical spring connects has rotation to adjust axle, and connecting at rotation adjustment axle top has setting valve to adjust handle, described dynamic
Contact connects protected line interface.
As a kind of preferably technical scheme of the present invention, described Magnet is interlaced folded by some pieces of half triangle flat thin magnets
Add formation.
As a kind of preferably technical scheme of the present invention, it is provided with at the contact interface between described stationary contact and movable contact
Sensitive contact.
As a kind of preferably technical scheme of the present invention, the top of described helical spring is installed with adjustment bearing.
Being provided with temperature sensor in described Magnet interior surface, the quantity of described temperature sensor is two, described temperature
Sensor is respectively provided at Magnet top and bottom
Described setting valve adjusts handle 9 and is fixedly mounted on rotation adjustment axle 17 by adjusting screw 11, and described rotation adjusts
Axle 17 makes long " C " type.
Described setting valve adjusts and is provided with setting valve graduated disc 10 below handle 9, and setting valve adjusts the surface of handle 9 with whole
Point scale dish 10 surface spacing 1 millimeter.
It is four that the connection of described coil 2 has output lead interface 19, the quantity of described output lead interface 19.
The inside of described coil 2 is provided with intelligent controller 20, and described intelligent controller 20 is believed by the electric current of measuring coil 2
Number control Z-shaped tongue piece 4 internal current signal.
Compared with prior art, the invention has the beneficial effects as follows: it is impayable stable that machinery has other structures
Property, but sensitivity and response speed are short slabs, and modern intelligent control technology, sensitivity and response speed, even select
Selecting property is all premier, but all of structure does not all have absolute perfect type, intelligent structure to lack stablizing of height
Property, and use the principle that mechanical realization and Based Intelligent Control effect combine, by the intelligence system inspection to primary voltage Yu electric current
Survey, find not meet the electrical properties of rule in time, be provided with the selectivity of height, thus control the machinery knot within relay
Whether structure controls the path of whole circuit, adds sensitive control parts inside frame for movement, steady improve relay
Simultaneously qualitatively, also substantially increase the susceptiveness of reaction and swiftness, frame for movement and the combination of intelligence control system, not only
Improve stable, but also enhance the sensitivity of reaction, meet the demand of modern relay equipment.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is magnet arrangement schematic diagram of the present invention；
Fig. 3 is helical spring structure schematic diagram of the present invention.
In figure: 1-Magnet；2-coil；The unidirectional copper cash of 3-；4-Z shape tongue piece；5-helical spring；6-stationary contact；7-movable contact；
The sensitive contact of 8-；9-setting valve adjusts handle；10-setting valve graduated disc；11-adjusts screw；12-adjusts bearing；13-stop；
14-protection circuit interface；15-rotary shaft；16-fixed screw；17-rotates and adjusts axle；18-temperature sensor；19-output lead connects
Mouthful；20-intelligent controller；21-half triangle flat thin magnet.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment:
Referring to Fig. 1-Fig. 3, the present invention provides a kind of technical scheme: the automation equipment of a kind of relay protection of power system, bag
Including Magnet 1, Magnet 1 is formed, by being overlapped mutually structure, it is possible to have by the some pieces of half interlaced superpositions of triangle flat thin magnet 21
Effect prevent internal current by time produce eddy current and produce substantial amounts of heat, and the equipment that internal sensitivity is higher is produced impact,
Source is reduced its internal heat produce, Magnet 1 interior surface is provided with temperature sensor 18, temperature sensor 18
Quantity is two, and temperature sensor 18 is respectively provided at Magnet 1 top and bottom, and dress is measured in the temperature sensor 18 arranged by inside
Put the temperature of inside, in time data feedback is calculated inlet wire parameter by bales catch to intelligent controller 20, intelligent controller 20
Except the error that causes due to heat of inside, prevent from causing processor erroneous judgement due to internal cause and the protector that causes breaks by force
Electricity, the lower surface of Magnet 1 is installed with coil 2, and described coil 2 connects output lead interface 19, described output lead interface 19
Quantity be four, described output lead interface 19 quantity is four, and respectively two zero lines and two live wires intersect and pick out, prevent due to
Internal unit fault and cause whole piece circuit to become open circuit, improve stability and the reliability of equipment, simultaneously two line outlets
The different electrical parameters between being also beneficial to by two lines are used to judge the duty of relay and the need of entering
Row maintenance, and can half work half safeguard when safeguarding, improving the current rate that equipment is electric, the inside of coil 2 is provided with
Intelligent controller 20, the internal current that described intelligent controller 20 controls Z-shaped tongue piece 4 by the current signal of measuring coil 2 is believed
Number, intelligent controller 20 is the core of equipment, by his measurement and control action, it is achieved the automatic control of equipment, and line
Circle 2 is separately positioned on the top within Magnet 1 and bottom, is directly connected to by unidirectional copper cash 3, two lines between two coils 2
Circle couples together, and improves the steering moment during mutation, improves the susceptiveness of reaction, movable installation between two coils 2
There are Z-shaped tongue piece 4, described Z-shaped tongue piece 4 to be made up of some pieces of iron plates, prevent the heart in a device from producing eddy current and producing substantial amounts of heat,
And cause equipment fault and energy loss, the center of Z-shaped tongue piece 4 and the center of coil 2 point-blank, and with Magnet 1
Center point-blank, is improved the moment under the conditions of waiting, and then is improved the sensitivity reacted, and Z-shaped tongue piece 4 center is provided with
Rotary shaft 15, is installed with helical spring 5 in rotary shaft 15, and the top of helical spring 5 is installed with adjustment bearing 12,
And it is installed with fixed screw 16 at the top of rotary shaft 15, by the fixing Europe use of relevant device, mechanical part is solid
Determine to get up to be within the scope of sensitive work, the fixing equipment added, prevent from causing internal work device due to external factor
Part deviation operating position, helical spring 5 connects stationary contact 6, and described stationary contact 6 connects movable contact 7, and stationary contact 6 touches with dynamic
At contact interface between point 7, sensitive contact 8 is installed, by the structure between sensitive contact 8 and contact, strengthens reaction
Sensitivity level, when breaking down, timely drop power supply and make circuit become open circuit, helical spring 5 connects has rotation to adjust axle
17, there is setting valve to adjust handle 9 rotating the connection of adjustment axle 17 top, described setting valve adjusts and is provided with setting valve below handle 9
Graduated disc 10, and setting valve adjusts surface and setting valve graduated disc 10 surface spacing 1 millimeter of handle 9, by adjusting handle
Regulation effect, calculates input equipment by equipment error in advance, prevents from causing relay to be judged by accident due to slight change, adjusts
Value adjusts handle 9 and is fixedly mounted on rotation adjustment axle 17 by adjusting screw 11, and rotation adjusts axle 17 and makes long " C " type,
Movable contact 7 connects protected line interface 14；Machinery has the impayable stability of other structures, but sensitivity and
Response speed is a short slab, and modern intelligent control technology, sensitivity and response speed, even selectivity are all leading
, but all of structure does not all have absolute perfect type, intelligent structure to lack the stability of height, and use mechanical realization
The principle combined with Based Intelligent Control effect, by the intelligence system detection to primary voltage Yu electric current, finds not meet in time
The electrical properties of rule, is provided with the selectivity of height, thus controls the frame for movement within relay to control whole circuit
Path whether, inside frame for movement, add sensitive control parts, while improve relay stability, the most significantly
Improve the susceptiveness of reaction and swiftness, frame for movement and the combination of intelligence control system, not only increase stable, but also
Enhance the sensitivity of reaction, meet the demand of modern relay equipment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (9)
1. an automation equipment for relay protection of power system, including Magnet (1), the fixing peace of the lower surface of described Magnet (1)
Equipped with coil (2), and coil (2) is separately positioned on the internal top of Magnet (1) and bottom, it is characterised in that: said two line
It is directly connected to by unidirectional copper cash (3) between circle (2), between two coils (2), is movably installed with Z-shaped tongue piece (4), described Z
Shape tongue piece (4) is made up of some pieces of iron plates, the center of described Z-shaped tongue piece (4) and the center of coil (2) point-blank, and
With the center of Magnet (1) point-blank, described Z-shaped tongue piece (4) center is provided with rotary shaft (15), in rotary shaft (15)
On be installed with helical spring (5), and be installed with fixed screw (16), described spiral bullet at the top of rotary shaft (15)
Spring (5) connects stationary contact (6), and described stationary contact (6) connects movable contact (7), and described helical spring (5) connects has rotation to adjust
Bearing (17), has setting valve to adjust handle (9) rotating the connection of adjustment axle (17) top, and described movable contact (7) connects protected
Line interface (14).
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described Magnet
(1) formed by some pieces of half triangle flat thin magnet (21) interlaced superpositions.
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described stationary contact
Sensitive contact (8) is installed at the contact interface between point (6) and movable contact (7).
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described spiral
The top of spring (5) is installed with adjustment bearing (12).
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described Magnet
(1) being provided with temperature sensor (18) in interior surface, the quantity of described temperature sensor (18) is two, described temperature sensor
(18) Magnet (1) top and bottom it are respectively provided at.
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that adjust described in:
Value adjusts handle (9) and is fixedly mounted in rotation adjustment axle (17) by adjusting screw (11), and described rotation adjusts axle (17)
Make long " C " type.
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that adjust described in:
Value adjusts handle (9) lower section and is provided with setting valve graduated disc (10), and setting valve adjusts surface and the setting valve graduated disc of handle (9)
(10) surface spacing 1 millimeter.
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described coil
(2) connection has output lead interface (19), and the quantity of described output lead interface (19) is four.
The automation equipment of a kind of relay protection of power system the most according to claim 1, it is characterised in that: described coil
(2) inside is provided with intelligent controller (20), and described intelligent controller (20) controls Z by the current signal of measuring coil (2)
The internal current signal of shape tongue piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535987.6A CN106129974B (en) | 2016-07-10 | 2016-07-10 | A kind of automation equipment of relay protection of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535987.6A CN106129974B (en) | 2016-07-10 | 2016-07-10 | A kind of automation equipment of relay protection of power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129974A true CN106129974A (en) | 2016-11-16 |
| CN106129974B CN106129974B (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610535987.6A Active CN106129974B (en) | 2016-07-10 | 2016-07-10 | A kind of automation equipment of relay protection of power system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106129974B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656136A (en) * | 2009-04-29 | 2010-02-24 | 陈国顺 | Energy saving magnetic head and control method thereof |
| CN203445068U (en) * | 2013-08-22 | 2014-02-19 | 国家电网公司 | Current relay |
| CN105281301A (en) * | 2015-11-20 | 2016-01-27 | 国网浙江省电力公司文成县供电公司 | Switch electromagnet coil protection device |
| CN205177635U (en) * | 2015-11-04 | 2016-04-20 | 国网山东省电力公司郓城县供电公司 | Novel power switch |
-
2016
- 2016-07-10 CN CN201610535987.6A patent/CN106129974B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656136A (en) * | 2009-04-29 | 2010-02-24 | 陈国顺 | Energy saving magnetic head and control method thereof |
| CN203445068U (en) * | 2013-08-22 | 2014-02-19 | 国家电网公司 | Current relay |
| CN205177635U (en) * | 2015-11-04 | 2016-04-20 | 国网山东省电力公司郓城县供电公司 | Novel power switch |
| CN105281301A (en) * | 2015-11-20 | 2016-01-27 | 国网浙江省电力公司文成县供电公司 | Switch electromagnet coil protection device |
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| Publication number | Publication date |
|---|---|
| CN106129974B (en) | 2019-02-01 |
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| CB02 | Change of applicant information |
Address after: 528437 Zhongshan Torch Development Zone, Guangdong Province Applicant after: ZHONGSHAN HOUYUAN ELECTRONIC TECHNOLOGY CO., LTD. Address before: 528437 Zhongshan, Guangdong Torch Development Zone, central city, Hong Kong Road, Creative Industry Park 3 business building 501 cards Applicant before: ZHONGSHAN HOUYUAN ELECTRONIC TECHNOLOGY CO., LTD. |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200724 Address after: 214000 Building 8, Building B, Wangzhuang Science and Technology Venture Center, Longshan Road, Wuxi New District, Jiangsu Province Patentee after: JIANGSU HAIHONG POWER ENGINEERING CONSULTING LIMITED BY SHARE Ltd. Address before: 528437 Zhang Enterprise Incubator, 70 Zhongshan Port Avenue, Zhongshan Torch Development Zone, Guangdong Province Patentee before: ZHONGSHAN HOUYUAN ELECTRONICS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210402 Address after: 214000 room 116, building 25, No. 289, Fangcheng Avenue, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi MIG Robot Technology Co.,Ltd. Address before: 214000 8th floor, building B, Wangzhuang science and technology entrepreneurship center, Longshan Road, New District, Wuxi City, Jiangsu Province Patentee before: JIANGSU HAIHONG POWER ENGINEERING CONSULTING LIMITED BY SHARE Ltd. |
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| TR01 | Transfer of patent right |