CN207424143U - A kind of relay-protection pressing plate monitoring device - Google Patents
A kind of relay-protection pressing plate monitoring device Download PDFInfo
- Publication number
- CN207424143U CN207424143U CN201721592231.1U CN201721592231U CN207424143U CN 207424143 U CN207424143 U CN 207424143U CN 201721592231 U CN201721592231 U CN 201721592231U CN 207424143 U CN207424143 U CN 207424143U
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- Prior art keywords
- pressing plate
- relay
- module
- monitoring device
- signal
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Abstract
The utility model discloses a kind of relay-protection pressing plate monitoring devices; including setting signal level modular converter inside the shell; signal level modular converter one end is connected to gather pressing plate state with pressing plate; the pressing plate status information of acquisition is sent to by logic judgment module on signal and send module by the other end; it send module that the pressing plate status information of reception is sent to external measure and control device by cable on signal, pressing plate state is detected by the situation of change of pressing plate voltage.The utility model realization monitors relay-protection pressing plate in real time, judges whether pressing plate state is normal, timely abatement apparatus hidden danger, reduces substation's pressing plate and makes an inspection tour number, improves unattended operation transformer station safety operation level.
Description
Technical field
The utility model belongs to technical field of electric power detection, and in particular to a kind of relay-protection pressing plate monitoring device.
Background technology
The it is proposed of global energy Internet Strategy has higher requirement to the power supply reliability of electric system, as electric power
One of three lines of defence of system, relay protection Reliability of Microprocessor seem most important.Relay-protection pressing plate is protective relaying device
" switch " of function can be moved back with the throwing of control protective unit concrete function, have " input " and " exiting " two states, and often set is protected
The combination of all pressing plates of protection unit realizes protective relaying device " RUN ", " maintenance ", " exiting " and four kinds of shapes of "abnormal" jointly
Conversion between state.As shown in Figure 1, the correctness that pressing plate throwing is moved back directly affects whether protection can correctly act, but it is right at present
The maintenance of relay-protection pressing plate relies primarily on hand inspection mode, it is impossible to meet regulatory requirement, the accident thus triggered still compared with
It is more.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of relay
Pressing plate monitoring device is protected, realizes and relay-protection pressing plate is monitored in real time, judge whether pressing plate state is normal, timely abatement apparatus
Hidden danger reduces substation's pressing plate and makes an inspection tour number, improves unattended operation transformer station safety operation level.
The utility model uses following technical scheme：
A kind of relay-protection pressing plate monitoring device, including setting signal level modular converter inside the shell, signal level
Modular converter one end is connected to gather pressing plate state with pressing plate, and the pressing plate status information of acquisition is passed through logic judgment by the other end
Module, which is sent on signal, send module, send module that the pressing plate status information of reception is sent to external survey by cable on signal
Device is controlled, pressing plate state is detected by the situation of change of pressing plate voltage.
Specifically, be additionally provided with power module in shell, power module respectively with signal level modular converter, logic judgment
Module on signal module is sent to connect, for providing power supply.
Specifically, power module uses power of alterating and direct current, input range is 85~265VAC, 100~360VDC, Vo1：≤
± 2%.
Specifically, measure and control device is connected by dispatch data net with remote monitoring system.
Specifically, signal level modular converter uses photoelectrical coupler.
Further, photoelectrical coupler is TLP-281 types.
Specifically, logic judgment module uses MSP430L151 type microcontrollers.
Specifically, module is sent to use solid state relay on signal.
Specifically, shell uses aluminium alloy crust of the device.
Compared with prior art, the utility model at least has the advantages that：
The utility model relay-protection pressing plate monitoring device includes setting signal level modular converter inside the shell, signal
Level switch module one end is connected to gather pressing plate state with pressing plate, and the pressing plate status information of acquisition is passed through logic by the other end
Judgment module, which is sent on signal, send module, send module that the pressing plate status information of reception is sent to outside by cable on signal
Measure and control device, realize and relay-protection pressing plate monitored in real time, judge whether pressing plate state normal, timely abatement apparatus hidden danger,
It reduces substation's pressing plate and makes an inspection tour number, improve unattended operation transformer station safety operation level.
Further, power module is provided in shell, exports each module operating voltage for stablizing, select alterating and direct current
Source has the characteristics that output stability, durability, noise do very well.
Further, measure and control device connects monitoring system by data network, reduces substation's pressing plate and makes an inspection tour number, improves nothing
People's substation safety operation level on duty.
Further, using using photoelectrical coupler, as signal level modular converter, scope range of the fluctuation of voltage is small, port number
Amount is more, meets input 110V, output 5V requirements.
Further, relay-protection pressing plate shape is used to implement as logic judgment module using MSP430L151 types microcontroller
State intellectual analysis judges that the construction cycle is short, easy to operate.
Further, using solid-state relay as sending module on signal, the simple long lifespan of structural principle, high sensitivity,
Possess anti-electromagnetic interference capability and totle drilling cost is low.
Further, shell uses aluminium alloy, is unlikely to deform, and it is big to adapt to operating ambient temperature range.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is existing pressing plate wiring schematic diagram；
Fig. 2 is utility model works schematic diagram.
Wherein：1. signal level modular converter；2. logic judgment module；3. module is sent on signal；4. power module；Outside 5.
Shell；6. measure and control device；7. monitoring system；8. pressing plate.
Specific embodiment
The utility model provides a kind of relay-protection pressing plate monitoring device, is gathered by signal level modular converter all
Pressing plate state by device logical program, automatically first carries out all pressing plate states comprehensive intelligent judgement, confirms that pressing plate throwing is moved back
Correctness after, by sending module that pressing plate " RUN ", " maintenance ", " exiting ", "abnormal" signal are forwarded to measure and control device on signal,
Dispatching automation monitoring system is sent on final.
Referring to Fig. 2, a kind of relay-protection pressing plate monitoring device of the utility model, including the signal being arranged in shell 5
Level switch module 1, logic judgment module 2 send module 3 and power module 4, signal level modular converter one end and pressure on signal
Plate 8 connects to gather pressing plate state, the other end successively after sending module 3 on logic judgment module 2, signal by cable with
Outside set measure and control device 6 connect, power module 4 respectively with signal level modular converter 1, logic judgment module 2 and signal
On module 3 is sent to connect to power.
Test device 6 also connects remote monitoring system 7 by dispatch data net.
Pressing plate voltage signal is converted into 5V level by signal level modular converter 1 for gathering pressing plate state by 110V
Output to logic module, using scope range of the fluctuation of voltage is minimum, photoelectrical coupler that port number is most turns as signal level
Change the mold block.
Preferably, photoelectrical coupler is using Toshiba's TLP-281 types that input voltage range is big, precision is high, transmission rate is fast
Photoelectrical coupler.
Logic judgment module 2 is used to implement the analytical judgment of relay-protection pressing plate condition intelligent, and to have enough ports,
It flexibly, is quickly controlled with realizing.
Preferably, using MSP430L151 type microcontrollers, processing capacity is strong, memory space is big, port number is more, at data
It is low to manage the fast price of speed.
Module 3 is sent on signal for microcontroller 5V signals to be converted into 220V signals, for above sending alarm signal.On signal
Send module that need to meet long lifespan, high sensitivity, possess the features such as anti-electromagnetic interference capability and totle drilling cost are low.Using solid state relay
Device on signal as sending module.
Preferably, it is most short using actuation time, output 220V idle contacts, the moderate happy SRD-05VDC- of pine can be stablized
SL-C solid-state relays.
4 major function of power module is to stablize to export each module operating voltage, is the primary guarantee of device operation, alternating current-direct current
The output precision of voltage regulation of power supply is 3%, durability 50000h, noise 30db, by comparing the performance parameters of power module, is selected
The alterating and direct current source module that output stability, durability, noise behave oneself best.
Preferably, power of alterating and direct current module model is using stable output 5V voltages；The precision of voltage regulation is high；Input voltage range is big
XRA30-110D05-24FG powers of alterating and direct current, input range be 85~265VAC；100~360VDC, Vo1：≤ ± 2%.
Shell 5 uses aluminium alloy crust of the device, and inside dimension is：250mm*160mm*94mm.
More than content is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within protection domain with new claims.
Claims (9)
1. a kind of relay-protection pressing plate monitoring device, which is characterized in that including the signal level modulus of conversion being arranged in shell (5)
Block (1), signal level modular converter (1) one end are connected to gather with pressing plate (8) pressing plate state, and the other end is by the pressing plate of acquisition
Status information is sent on signal by logic judgment module (2) and send module (3), send module (3) that will be connect by cable on signal
The pressing plate status information of receipts is sent to external measure and control device (6), and pressing plate state is carried out by the situation of change of pressing plate voltage
Detection.
2. a kind of relay-protection pressing plate monitoring device according to claim 1, which is characterized in that also set up in shell (5)
There is power module (4), power module (4) on signal level modular converter (1), logic judgment module (2) and signal respectively with sending
Module (3) connects, for providing power supply.
3. a kind of relay-protection pressing plate monitoring device according to claim 2, which is characterized in that power module (4) uses
Power of alterating and direct current, input range are 85~265VAC, 100~360VDC, Vo1：≤ ± 2%.
4. a kind of relay-protection pressing plate monitoring device according to claim 1 or 2, which is characterized in that measure and control device (6) is logical
Dispatch data net is crossed to be connected with remote monitoring system (7).
A kind of 5. relay-protection pressing plate monitoring device according to claim 1, which is characterized in that signal level modular converter
(1) photoelectrical coupler is used.
A kind of 6. relay-protection pressing plate monitoring device according to claim 5, which is characterized in that photoelectrical coupler TLP-
281 types.
A kind of 7. relay-protection pressing plate monitoring device according to claim 1, which is characterized in that logic judgment module (2)
Using MSP430L151 type microcontrollers.
8. a kind of relay-protection pressing plate monitoring device according to claim 1, which is characterized in that module (3) is sent on signal
Using solid state relay.
9. a kind of relay-protection pressing plate monitoring device according to claim 1, which is characterized in that shell (5) is closed using aluminium
Golden crust of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721592231.1U CN207424143U (en) | 2017-11-24 | 2017-11-24 | A kind of relay-protection pressing plate monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721592231.1U CN207424143U (en) | 2017-11-24 | 2017-11-24 | A kind of relay-protection pressing plate monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424143U true CN207424143U (en) | 2018-05-29 |
Family
ID=62304473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721592231.1U Expired - Fee Related CN207424143U (en) | 2017-11-24 | 2017-11-24 | A kind of relay-protection pressing plate monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424143U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638053A (en) * | 2020-06-19 | 2020-09-08 | 长园共创电力安全技术股份有限公司 | Pressing plate state detection system, method and device and pressing plate |
| CN112904115A (en) * | 2021-01-20 | 2021-06-04 | 成都可为科技股份有限公司 | Pressing plate state monitoring circuit and monitoring method |
| CN115112970A (en) * | 2022-05-27 | 2022-09-27 | 国网江苏省电力有限公司南通供电分公司 | A method and system for monitoring the state of a pressure plate at the outlet of a relay protection operation circuit |
-
2017
- 2017-11-24 CN CN201721592231.1U patent/CN207424143U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638053A (en) * | 2020-06-19 | 2020-09-08 | 长园共创电力安全技术股份有限公司 | Pressing plate state detection system, method and device and pressing plate |
| CN111638053B (en) * | 2020-06-19 | 2022-03-18 | 长园共创电力安全技术股份有限公司 | Pressing plate state detection system, method and device and pressing plate |
| CN112904115A (en) * | 2021-01-20 | 2021-06-04 | 成都可为科技股份有限公司 | Pressing plate state monitoring circuit and monitoring method |
| CN112904115B (en) * | 2021-01-20 | 2022-11-29 | 成都可为科技股份有限公司 | Pressing plate state monitoring circuit and monitoring method |
| CN115112970A (en) * | 2022-05-27 | 2022-09-27 | 国网江苏省电力有限公司南通供电分公司 | A method and system for monitoring the state of a pressure plate at the outlet of a relay protection operation circuit |
| CN115112970B (en) * | 2022-05-27 | 2023-12-22 | 国网江苏省电力有限公司南通供电分公司 | Method and system for monitoring state of outlet pressing plate of relay protection operation loop |
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| 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: 20180529 Termination date: 20181124 |