CN105490256B - A kind of device and method reducing control loop coil fault - Google Patents
A kind of device and method reducing control loop coil fault Download PDFInfo
- Publication number
- CN105490256B CN105490256B CN201610036483.XA CN201610036483A CN105490256B CN 105490256 B CN105490256 B CN 105490256B CN 201610036483 A CN201610036483 A CN 201610036483A CN 105490256 B CN105490256 B CN 105490256B
- Authority
- CN
- China
- Prior art keywords
- singlechip
- electric current
- output relay
- control loop
- time
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000000977 initiatory effect Effects 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—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 for distribution gear, e.g. bus-bar systems; for switching devices for switches
Landscapes
- Protection Of Transformers (AREA)
Abstract
The present invention provides a kind of device and methods reducing control loop coil fault; including comprehensive protection device, comprehensive protection device includes electric current display panel, time showing panel, first singlechip, second singlechip, Switching Power Supply, time output relay and electric current output relay；Sampling resistor samples the electric current for flowing through control loop coil in comprehensive protection device; and numerical value is transmitted to first singlechip; after reaching initiation value; output signal is transmitted to second singlechip by starting current output relay, and time showing panel starts timing; after reaching initiation value; start time output relay, time output relay acts tripping and controls power supply air switch, and coil is avoided to break down.Device and method provided by the invention effectively reduces the number of stoppages of divide-shut brake coil, and step is simple, easy to operate, highly practical, securely and reliably.
Description
Technical field
The invention belongs to electrical equipment protection technique field more particularly to a kind of devices reducing control loop coil fault
And method.
Background technology
Control loop coil refers to the switching on and off coil that breaker is connected in control loop.After switching winding failure,
Switch can not separating brake, if line failure at this time, switch will tripping；After closing coil failure, switch can not close a floodgate, if this
When line failure, switch tripping but reclosing and be failure to actuate, switch can not be closed, and switch failure, protective relaying device can not
Correct action.
The electric current overrate and environment of the reason of causing control loop coil to break down predominantly flowing through coil
Temperature is excessively high, this is the deficiency of existing ordinary electromagnetic formula operating mechanism.
Therefore it provides a kind of device and method reducing control loop coil fault, to solve the above technical problems, right and wrong
Often it is necessary to.
Invention content
It is an object of the invention to be directed to defect existing for above-mentioned existing control loop coil, a kind of reduce is provided and is controlled back
The device and method of road coil failure, to solve the above technical problems.
To achieve the above object, the present invention provides following technical scheme：
A kind of device reducing control loop coil fault, including comprehensive protection device, it is characterised in that：The integrated protection
Device includes electric current display panel, time showing panel, first singlechip, second singlechip, Switching Power Supply, time output relay
With electric current output relay, the comprehensive protection device accesses control loop；
Sampling resistor, Switching Power Supply, electric current display panel and electric current output relay are connected in the first singlechip；
The output end of the electric current output relay is connected to second singlechip；Time showing face is also associated on the second singlechip
Plate and time output relay；The output end connection control power supply air switch of the time output relay.
Preferably, a kind of device of reduction control loop coil fault further includes temperature controller, the temperature
The warning output circuit of degree controller is connected to substation's background server by observing and controlling screen signal circuit.
Preferably, the alarm temperature of the temperature controller is 30 degrees Celsius.
Preferably, the temperature controller is arranged on switchgear.
So design, the warning output circuit of temperature controller has overtemperature alarm function, when in-cabinet temperature is more than 30 to take the photograph
When family name spends, operation monitoring personnel will receive over temperature alarm signal, opens ventilation device to scene, carries out radiating treatment；Temperature control
Device service life processed is longer, and the transmission medium of alarm signal is optical fiber, and data transmission is stablized, and signal is accurate, and instantaneity is strong；Installation
When only need to the temperature controller on switchgear in substation carry out wiring adjustment, be not required to have a power failure, easy-to-connect.
Preferably, the first singlechip, second singlechip are 89S51 microcontrollers.
So design, this microcontroller can online programming, and can be repeatedly erasable, support C language compiling.
Preferably, the current parameters setting value of the electric current output relay is 2.5A
Preferably, the time parameter setting value of the time output relay is 2s.
So design, output relay include a pair of of normal opened contact, a pair of of normally closed contact；Reach the initiation value of setting, i.e.,
After reaching operation condition, contact action.
A method of reducing control loop coil fault, it is characterised in that：The implementation steps include：
1）Pass through closing pulse in control loop coil；
2）Sampling resistor samples the electric current for flowing through control loop coil, and sends numerical value to first singlechip；
3）First singlechip handles the current value received, and current value is shown in electric current display panel；
4）When current value reaches electric current output relay initiation value, electric current output relay starts, and output signal is passed
To second singlechip；
5）Second singlechip starts time showing panel and starts timing；
6）When the time reaching time output relay initiation value, time output relay starts, and control power supply air is opened
Close tripping；
7）The circuit of control loop coil disconnects.
Beneficial effects of the present invention are：
The present invention provides a kind of device and methods reducing control loop coil fault, in the present invention, comprehensive to protect
It protects in device, sampling resistor samples the electric current for flowing through control loop coil, and numerical value is transmitted to first singlechip, electric current number
Value is shown on electric current display panel；When electric current reaches 2.5A, output signal is transmitted to second by starting current output relay
Microcontroller, second singlechip start, and time showing panel starts timing, reaches time parameter setting value, i.e., after 2 seconds, when startup
Between output relay, time output relay act tripping control power supply air switch, avoid coil from breaking down.The present invention carries
The device and method of confession successfully eliminates the main crux of circuit-breaker switching on-off coil, effectively reduces the failure of divide-shut brake coil
Number reduces the workload of coil repair, and step is simple, easy to operate, highly practical, securely and reliably.
In addition, design principle of the present invention is reliable, and it is simple in structure, there is very extensive application prospect.
It can be seen that compared with prior art, the present invention with substantive distinguishing features outstanding and significantly improving, implementation
Advantageous effect be also obvious.
Description of the drawings
Fig. 1 is a kind of structural representation of the comprehensive protection device of device reducing control loop coil fault provided by the invention
Figure.
Fig. 2 is a kind of structural representation of the temperature controller of device reducing control loop coil fault provided by the invention
Figure.
Fig. 3 is a kind of step flow chart of method reducing control loop coil fault provided by the invention.
Wherein, 1- temperature controllers, 101- warning output circuits, 102- substations background server, 2- comprehensive protection devices,
201- electric current display panels, 202- time showing panels, 203- first singlechips, 204- second singlechips, the output of 205- electric currents
Relay, 206- time output relays, 207- control power supply air switch, 208- sampling resistors.
Specific implementation mode
The present invention will be described in detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is to the present invention
Explanation, and the invention is not limited in following implementation.
As shown in Fig. 1 to 2, a kind of device reducing control loop coil fault provided by the invention, including integrated protection
Device 2, the comprehensive protection device 2 include electric current display panel 201, time showing panel 202, first singlechip 203, the second monolithic
Machine 204, Switching Power Supply, time output relay 206 and electric current output relay 205, the access of the comprehensive protection device 2 control back
Road；
It is defeated that sampling resistor 208, Switching Power Supply, electric current display panel 201 and electric current are connected in the first singlechip 203
Go out relay 205；The output end of the electric current output relay 205 is connected to second singlechip 204；The second singlechip
Time showing panel 202 and time output relay 206 are also associated on 204；The output end of the time output relay 206
Connection control power supply air switch 207；
In the present embodiment, a kind of device of reduction control loop coil fault further includes temperature controller 1, institute
The warning output circuit 101 for stating temperature controller 1 is connected to substation's background server 102 by observing and controlling screen signal circuit.
In the present embodiment, the alarm temperature of the temperature controller 1 is 30 degrees Celsius.
In the present embodiment, the temperature controller 1 is arranged on switchgear.
So design after monitoring personnel receives over temperature alarm signal, opens ventilation device to scene, carries out radiating treatment；
1 service life of temperature controller is longer, and the transmission medium of alarm signal is optical fiber, and data transmission is stablized, and signal is accurate, instantaneity
By force；Need to only wiring adjustment be carried out to the temperature controller 1 on switchgear in substation, be not required to have a power failure when installation, easy-to-connect.
In the present embodiment, the first singlechip 203, second singlechip 204 are 89S51 microcontrollers.
So design, this microcontroller can online programming, and can be repeatedly erasable, support C language compiling.
In the present embodiment, the current parameters setting value of the electric current output relay 205 is 2.5A
In the present embodiment, the time parameter setting value of the time output relay 206 is 2s.
So design, output relay include a pair of of normal opened contact, a pair of of normally closed contact；Reach the initiation value of setting, i.e.,
After reaching operation condition, contact action.
As shown in figure 3, a kind of method reducing control loop coil fault provided by the invention, implementation step include：
1）Pass through closing pulse in control loop coil；
2）Sampling resistor samples the electric current for flowing through control loop coil, and sends numerical value to first singlechip；
3）First singlechip handles the current value received, and current value is shown in electric current display panel；
4）When current value reaches electric current output relay initiation value, electric current output relay starts, and output signal is passed
To second singlechip；
5）Second singlechip starts time showing panel and starts timing；
6）When the time reaching time output relay initiation value, time output relay starts, and control power supply air is opened
Close tripping；
7）The circuit of control loop coil disconnects.
The present invention provides a kind of device and methods reducing control loop coil fault, in the present invention, comprehensive to protect
It protects in device, sampling resistor samples the electric current for flowing through control loop coil, and numerical value is transmitted to first singlechip, electric current number
Value is shown on electric current display panel；When electric current reaches 2.5A, output signal is transmitted to second by starting current output relay
Microcontroller, second singlechip start, and time showing panel starts timing, reaches time parameter setting value, i.e., after 2 seconds, when startup
Between output relay, time output relay act tripping control power supply air switch, avoid coil from breaking down.The present invention carries
The device and method of confession successfully eliminates the main crux of circuit-breaker switching on-off coil, effectively reduces the failure of divide-shut brake coil
Number reduces the workload of coil repair, and step is simple, easy to operate, highly practical, securely and reliably.
After a kind of device reducing control loop coil fault provided by the invention is installed and used, control loop division brake cable
The number to break down by " coil burnout " enclosed in four months is reduced to 0 time by 7 times, hence it is evident that is solved and is caused division brake cable
Enclose the main crux of failure.A kind of method reducing control loop coil fault provided by the invention has been included in technical standard, uses
In the use standardization for ensureing the present invention.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, all at this
Done all any modification, equivalent and improvement etc., should be included in protection scope of the present invention within the spirit and principle of invention
Within.
Claims (3)
1. a kind of device reducing control loop coil fault, including comprehensive protection device, it is characterised in that：The comprehensive protection device
Including electric current display panel, time showing panel, first singlechip, second singlechip, Switching Power Supply, time output relay and
Electric current output relay, the comprehensive protection device access control loop；
Sampling resistor, Switching Power Supply, electric current display panel and electric current output relay are connected in the first singlechip；It is described
The output end of electric current output relay is connected to second singlechip；Be also associated on the second singlechip time showing panel and
Time output relay；The output end connection control power supply air switch of the time output relay；
Further include temperature controller, the warning output circuit of the temperature controller is connected to power transformation by observing and controlling screen signal circuit
It stands background server；
The first singlechip, second singlechip are 89S51 microcontrollers；
The time parameter setting value of the time output relay is 2s.
2. a kind of device reducing control loop coil fault as described in claim 1, it is characterised in that：The electric current output
The current parameters setting value of relay is 2.5A.
3. a kind of method reducing control loop coil fault, it is characterised in that：The implementation steps of this method include：
1）Pass through closing pulse in control loop coil；
2）Sampling resistor samples the electric current for flowing through control loop coil, and sends numerical value to first singlechip；
3）First singlechip handles the current value received, and current value is shown in electric current display panel；
4）When current value reaches electric current output relay initiation value, electric current output relay starts, and output signal is transmitted to the
Two microcontrollers；
5）Second singlechip starts time showing panel and starts timing；
6）When the time reaching time output relay initiation value, time output relay starts, and control power supply air switch is jumped
It opens；
7）The circuit of control loop coil disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036483.XA CN105490256B (en) | 2016-01-20 | 2016-01-20 | A kind of device and method reducing control loop coil fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036483.XA CN105490256B (en) | 2016-01-20 | 2016-01-20 | A kind of device and method reducing control loop coil fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490256A CN105490256A (en) | 2016-04-13 |
| CN105490256B true CN105490256B (en) | 2018-11-13 |
Family
ID=55677074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036483.XA Active CN105490256B (en) | 2016-01-20 | 2016-01-20 | A kind of device and method reducing control loop coil fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490256B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655111A (en) * | 2016-10-20 | 2017-05-10 | 国家电网公司 | Circuit breaker tripping and closing coil real-time measurement and control protection device and protection method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825907A (en) * | 2009-12-25 | 2010-09-08 | 上海纳杰电气成套有限公司 | Detection, control and alarm system for in-cabinet temperature of low-voltage switch cabinet |
| CN202930897U (en) * | 2012-10-17 | 2013-05-08 | 深圳市华力特电气股份有限公司 | Relay protection device |
| CN203502558U (en) * | 2013-09-25 | 2014-03-26 | 国家电网公司 | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker |
| CN104678936A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Monitoring equipment and system for electrical distribution facility |
| CN105098735A (en) * | 2015-08-25 | 2015-11-25 | 国家电网公司 | Breaking-closing coil protection device |
| CN205377269U (en) * | 2016-01-20 | 2016-07-06 | 国网山东省电力公司滨州供电公司 | Reduce device of control circuit coil trouble |
-
2016
- 2016-01-20 CN CN201610036483.XA patent/CN105490256B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825907A (en) * | 2009-12-25 | 2010-09-08 | 上海纳杰电气成套有限公司 | Detection, control and alarm system for in-cabinet temperature of low-voltage switch cabinet |
| CN202930897U (en) * | 2012-10-17 | 2013-05-08 | 深圳市华力特电气股份有限公司 | Relay protection device |
| CN203502558U (en) * | 2013-09-25 | 2014-03-26 | 国家电网公司 | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker |
| CN104678936A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Monitoring equipment and system for electrical distribution facility |
| CN105098735A (en) * | 2015-08-25 | 2015-11-25 | 国家电网公司 | Breaking-closing coil protection device |
| CN205377269U (en) * | 2016-01-20 | 2016-07-06 | 国网山东省电力公司滨州供电公司 | Reduce device of control circuit coil trouble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105490256A (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104192026A (en) | Power switching based electric disconnector for electrified railway overhead line system and monitoring method thereof | |
| CN105741653A (en) | Transformation and distribution room simulation controller | |
| CN111880083A (en) | Uninterrupted residual current test method and device and residual current protection device | |
| CN105490256B (en) | A kind of device and method reducing control loop coil fault | |
| CN203502557U (en) | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker | |
| CN203813514U (en) | Control loop for high-voltage circuit breaker | |
| CN201877814U (en) | Controller for circuit breaker | |
| CN205377269U (en) | Reduce device of control circuit coil trouble | |
| CN204945337U (en) | Electromechanical equipment localization of fault and alarm protecting apparatus | |
| CN108597949B (en) | Vacuum drop-out switch | |
| CN105158688A (en) | Dynamo-electric equipment fault positioning and alarm protective device | |
| CN204407871U (en) | Circuit breaker is the built-in protection module control circuit of changer controller more | |
| CN203275564U (en) | On-line monitor for hidden defects of short fuse protector for intelligent transformer station | |
| CN202455156U (en) | Remote reset controller for relay protection equipment | |
| CN201540480U (en) | Remote control device for substation illumination and fan systems | |
| CN207926166U (en) | A kind of blocking device preventing accidentally combination switch | |
| RU2767502C1 (en) | Device for protection of power transmission line against remote short circuit | |
| CN107154674B (en) | Power grid equipment linkage defect eliminating method based on Internet of things and framework thereof | |
| CN201117594Y (en) | Universal type circuit breaker possessing reclosing device | |
| CN204013306U (en) | A kind of generator excitation adjusting device and generator system | |
| CN104037721A (en) | Air switch and air switch intelligent control method | |
| CN218447718U (en) | Convenient thermal relay reset system | |
| CN204407860U (en) | The control circuit of circuit breaker Undertension shunt opening integrated electrical apparatus release | |
| RU2767504C1 (en) | Device for protection of power transmission line against remote short circuits and overloads | |
| KR20150048997A (en) | System for protective control of electric power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |