CN203502557U - On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker - Google Patents
On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker Download PDFInfo
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- CN203502557U CN203502557U CN201320597976.2U CN201320597976U CN203502557U CN 203502557 U CN203502557 U CN 203502557U CN 201320597976 U CN201320597976 U CN 201320597976U CN 203502557 U CN203502557 U CN 203502557U
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Abstract
The utility model discloses an on-line monitoring device for a switching-on/switching-off coil of a transformer station high-voltage circuit breaker. The on-line monitoring device comprises a central processor, a power supply module, switching-off coil parameter detecting devices, switching-on coil parameter detecting devices and a box internal temperature detecting device, wherein the switching-off coil parameter detecting devices, the switching-on coil parameter detecting devices and the box internal temperature detecting device are connected in parallel with the central processor, and the central processor is connected with a remote substation server through a communication module. The switching-off coil parameter detecting devices and the switching-on coil parameter detecting devices are capable of monitoring various parameters of the switching-on/switching-off coil in real time and transmitting the parameters to the central processor for processing and conversion, the parameters are transmitted to the remote substation server through the communication module, calculation and prediction are carried out by the remote substation server according to the data, and the fault to occur is judged out so as to remind work personnel to actively take corresponding measures, so that the fault rate of the switching-on/switching-off coil of the high-voltage circuit breaker is reduced, and the safety and the reliability of the power supply of an electric power system are improved.
Description
Technical field
The utility model relates to a kind of electrical engineering technical field, relates in particular to a kind of transformer station high-voltage circuit breaker/closing coil operation conditions real time on-line monitoring device.
Background technology
Primary cut-out minute/closing coil is the final executive component of protecting loop in electric power system control; it is again one of critical elements in primary cut-out electromagnetic operating mechanism; divide/closing coil is as a kind of instantaneous operation element; be in operation divide/Burnout of Closing Coil accident often occurs; be mainly due to minute/electric current in closing coil loop can not be by primary cut-out auxiliary contact normal cutoff, cause minute/closing coil is switched on for a long time and is caused.
When electric system is out of order, as the isolating switch acknowledging relay protection of important electrical equipment and the divide/combined floodgate order of aut.eq., and require to go to carry out divide/feed motion with the speed of Millisecond, to avoid accident to spread and to expand.Therefore, requiring isolating switch to be in operation can be in the state of standing ready, and while especially not allowing to have trip signal, primary cut-out is refused the phenomenon of tripping operation.In GB_T_14285-2006 relay protection and automatic safety device technical regulation; explicitly call for each isolating switch minute/closing circuit of closing circuit, visual plant and line-breaker etc.; monitoring arrangement that all should installment monitor circuit complete; there is the poor shortcoming of online real-time in pick-up unit of the prior art, can not protect to greatest extent minute/closing coil.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device, this device can make operational management personnel in control center, just can understand exactly high-voltage circuit breaker/closing coil operation conditions of transformer station, thereby can formulate in time, targetedly the maintenance scheme of divide/closing coil of problem isolating switch, improve the safety operation level of electrical network.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device, be arranged in the casing of installation high-voltage isolating switch, comprise central processing unit, the input end of described central processing unit is connected with power module, the input end of described central processing unit is also parallel with switching winding parameter detection device, closing coil parameter detection device and the temperature inside the box pick-up unit, and the output terminal of described central processing unit is connected with remote branch station server by communication module.
As preferred technical scheme, described switching winding parameter detection device comprises switching winding voltage sensor, switching winding current sensor and the switching winding temperature sensor that is connected in parallel on described central processing unit input end.
As preferred technical scheme, described closing coil parameter detection device comprises closing coil voltage sensor, closing coil current sensor and the closing coil temperature sensor that is connected in parallel on described central processing unit input end.
As preferred technical scheme, described the temperature inside the box pick-up unit comprises the temperature inside the box sensor being arranged in described casing.
As preferred technical scheme, described switching winding temperature sensor, described closing coil temperature sensor and described the temperature inside the box sensor are set to respectively thermistor.
As preferred technical scheme, described central processing unit is set to ARM11 processor, in described ARM11 processor, be provided with data processing module, the output terminal of described data processing module is connected with A/D modular converter, and described switching winding parameter detection device, described closing coil parameter detection device and described the temperature inside the box pick-up unit are connected to respectively described data processing module.
As the improvement to technique scheme, described communication module comprises the Ethernet interface being connected on described central processing unit, and described Ethernet interface connects described remote branch station server by optical fiber.
Owing to having adopted technique scheme, a kind of transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device, be arranged in the casing of installation high-voltage isolating switch, comprise central processing unit, the input end of described central processing unit is connected with power module, the input end of described central processing unit is also parallel with switching winding parameter detection device, closing coil parameter detection device and the temperature inside the box pick-up unit, and the output terminal of described central processing unit is connected with remote branch station server by communication module, the beneficial effects of the utility model are: the various parameters that switching winding parameter detection device and closing coil parameter detection device can Real-Time Monitoring high-voltage circuit breaker/closing coils, and above-mentioned parameter is transferred to central processing unit process conversion, then by communication module, be delivered to remote branch station server, remote branch station server calculates according to data and predicts, judge the fault that will occur, remind in time staff actively to take appropriate measures, thereby reduce the probability of malfunction of high-voltage circuit breaker/closing coil, and then the safe reliability of raising power system power supply.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structured flowchart of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.
As shown in Figure 1, a kind of transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device, be arranged in the casing of installation high-voltage isolating switch, comprise central processing unit, the input end of described central processing unit is connected with power module, the input end of described central processing unit is also parallel with switching winding parameter detection device, closing coil parameter detection device and the temperature inside the box pick-up unit, and the output terminal of described central processing unit is connected with remote branch station server by communication module.
Described switching winding parameter detection device comprises switching winding voltage sensor, switching winding current sensor and the switching winding temperature sensor that is connected in parallel on described central processing unit input end; Described closing coil parameter detection device comprises closing coil voltage sensor, closing coil current sensor and the closing coil temperature sensor that is connected in parallel on described central processing unit input end, and wherein switching winding voltage sensor, switching winding current sensor, closing coil voltage sensor and closing coil current sensor can be set to respectively Hall element.Described the temperature inside the box pick-up unit comprises the temperature inside the box sensor being arranged in described casing, and described switching winding temperature sensor, described closing coil temperature sensor and described the temperature inside the box sensor are set to respectively thermistor.
Described central processing unit is set to ARM11 processor, ARM is the abbreviation of English " Advanced RISC Machines ", Chinese translation is " advanced reduced instruction set computer device ", RISC in English " Advanced RISC Machines " is again the abbreviation of English " Reduced Instruction Set Computer ", and Chinese translation is " Reduced Instruction Set Computer ".In described ARM11 processor, be provided with data processing module, the output terminal of described data processing module is connected with A/D modular converter, and described switching winding parameter detection device, described closing coil parameter detection device and described the temperature inside the box pick-up unit are connected to respectively described data processing module.
Described communication module comprises the Ethernet interface being connected on described central processing unit, and described Ethernet interface connects described remote branch station server by optical fiber.
The power module that the power module of this embodiment adopts Beijing emerging Bo Sida company to produce.ARM11 processor adopting flies to insult the OK210 development board that embedded company produces, and this ARM11 development board carries A/D modular converter, the communication module that communication module carries for this ARM11 development board.The System X3500M3I08 server that remote branch station server adopts IBM Corporation to produce, switching winding voltage sensor and closing coil voltage sensor adopt the Nanjing Zhong Huo sensing HVS-AS5 of company type closed loop Hall voltage sensor, switching winding current sensor and closing coil current sensor adopt the detachable current sensor of the Nanjing Zhong Huo sensing HCS-EKBT of company type, and in switching winding temperature sensor, closing coil temperature sensor and mechanism case, temperature sensor adopts the huge electronics SCRBHC type PTC thermistor temperature sensor of Nanjing China.
During use, use switching winding voltage sensor, switching winding current sensor, electric current and the voltage signal of the online divide/closing coil detecting of closing coil voltage sensor and closing coil current sensor, then by the data processing module in ARM11 processor, carry out signal condition, then by A/D modular converter, change sampling, the DC simulation signal of high-voltage circuit breaker brake cable circle is about 0～0.01A, through Hall current sensor, be transformed into 0～50mA current signal, resistance through overmatching converts the voltage signal that ARM11 processor can be accepted 0～5V to, carry out again logical operation and processing, finally by communication module be transferred in remote branch station server for staff with reference to, make the duty of can constantly understand minute/closing coil of staff whether normal.
Minute/size of closing coil electric current, duration length, the quality that has reflected the mechanical operating mechanism of primary cut-out, embodied the quality of the mechanical property of primary cut-out, according to dividing/electric current of closing coil and the standing state of voltage, dope minute/electric current of closing coil and the succeeding state of voltage, thereby anticipation has the fault that will occur, and remind in time operating personnel to note, to reduce the probability of divide/closing coil of isolating switch fault, thereby improve the safe reliability of power system power supply.
The utlity model has following advantage:
(1), can utilize at regulation and control center remote branch station server to carry out real-time online remote monitoring to transformer station's primary cut-out situation of this monitoring device is housed;
(2), monitoring and evaluation result can provide direct guidance for primary cut-out operation maintenance;
(3), the operation of monitoring device and system does not produce any negative effect to the original device of electric system.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (7)
1.Yi Zhong transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device, be arranged in the casing of installation high-voltage isolating switch, it is characterized in that: comprise central processing unit, the input end of described central processing unit is connected with power module, the input end of described central processing unit is also parallel with switching winding parameter detection device, closing coil parameter detection device and the temperature inside the box pick-up unit, and the output terminal of described central processing unit is connected with remote branch station server by communication module.
2. a kind of transformer station as claimed in claim 1 high-voltage circuit breaker/closing coil on-Line Monitor Device, is characterized in that: described switching winding parameter detection device comprises switching winding voltage sensor, switching winding current sensor and the switching winding temperature sensor that is connected in parallel on described central processing unit input end.
3. a kind of transformer station as claimed in claim 2 high-voltage circuit breaker/closing coil on-Line Monitor Device, is characterized in that: described closing coil parameter detection device comprises closing coil voltage sensor, closing coil current sensor and the closing coil temperature sensor that is connected in parallel on described central processing unit input end.
4. a kind of transformer station as claimed in claim 3 high-voltage circuit breaker/closing coil on-Line Monitor Device, is characterized in that: described the temperature inside the box pick-up unit comprises the temperature inside the box sensor being arranged in described casing.
5. a kind of transformer station as claimed in claim 4 high-voltage circuit breaker/closing coil on-Line Monitor Device, is characterized in that: described switching winding temperature sensor, described closing coil temperature sensor and described the temperature inside the box sensor are set to respectively thermistor.
6. a kind of transformer station high-voltage circuit breaker/closing coil on-Line Monitor Device as described in claim as arbitrary in claim 1 to 5, it is characterized in that: described central processing unit is set to ARM11 processor, in described ARM11 processor, be provided with data processing module, the output terminal of described data processing module is connected with A/D modular converter, and described switching winding parameter detection device, described closing coil parameter detection device and described the temperature inside the box pick-up unit are connected to respectively described data processing module.
7. a kind of transformer station as claimed in claim 6 high-voltage circuit breaker/closing coil on-Line Monitor Device, it is characterized in that: described communication module comprises the Ethernet interface being connected on described central processing unit, described Ethernet interface connects described remote branch station server by optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597976.2U CN203502557U (en) | 2013-09-25 | 2013-09-25 | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597976.2U CN203502557U (en) | 2013-09-25 | 2013-09-25 | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker |
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| CN203502557U true CN203502557U (en) | 2014-03-26 |
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| CN201320597976.2U Expired - Fee Related CN203502557U (en) | 2013-09-25 | 2013-09-25 | On-line monitoring device for switching-on/switching-off coil of transformer station high-voltage circuit breaker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793131A (en) * | 2015-04-03 | 2015-07-22 | 国网山东省电力公司东营供电公司 | Full working condition monitoring circuit for tripping coil and closing coil of circuit breaker |
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
| CN109765040A (en) * | 2019-01-03 | 2019-05-17 | 广州供电局有限公司 | The mechanical property on-line monitoring system of breaker |
-
2013
- 2013-09-25 CN CN201320597976.2U patent/CN203502557U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793131A (en) * | 2015-04-03 | 2015-07-22 | 国网山东省电力公司东营供电公司 | Full working condition monitoring circuit for tripping coil and closing coil of circuit breaker |
| CN105425147A (en) * | 2015-12-15 | 2016-03-23 | 江苏德春电力科技有限公司 | High-voltage circuit breaker contact temperature rise and service life online monitoring system |
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
| CN107831436B (en) * | 2017-12-13 | 2023-05-12 | 湖南长高高压开关有限公司 | Folding arm type disconnecting switch opening and closing in-place monitoring device and method |
| CN109765040A (en) * | 2019-01-03 | 2019-05-17 | 广州供电局有限公司 | The mechanical property on-line monitoring system of breaker |
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