CN214150959U - High-voltage circuit breaker fault detection positioning system - Google Patents
High-voltage circuit breaker fault detection positioning system Download PDFInfo
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- CN214150959U CN214150959U CN202022708518.4U CN202022708518U CN214150959U CN 214150959 U CN214150959 U CN 214150959U CN 202022708518 U CN202022708518 U CN 202022708518U CN 214150959 U CN214150959 U CN 214150959U
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Abstract
The utility model provides a high voltage circuit breaker fault detection positioning system, the fault detection positioning system includes signal generation unit, signal acquisition unit, signal conditioning unit, equipment information reading unit, control processing unit, display element, alarm unit and communication unit; the fault detection positioning system acquires the related information of the high-voltage circuit breaker through the equipment information reading unit, collects the working information of the high-voltage circuit breaker to analyze and judge, and controls the alarm unit to send out an alarm in time when the high-voltage circuit breaker is abnormal so that monitoring personnel can analyze and process in time. The utility model provides a high voltage circuit breaker fault detection positioning system can real time monitoring high voltage circuit breaker's behavior to the accurate position signal who gives trouble high voltage circuit breaker.
Description
Technical Field
The utility model belongs to the technical field of high voltage circuit breaker detects, in particular to high voltage circuit breaker fault detection positioning system.
Background
The high-voltage circuit breaker is an indispensable important component of a power system, can cut off or close no-load current and load current in a high-voltage circuit, and can cut off overload current and short-circuit current through the action of a relay protection device when the system breaks down, so that the high-voltage circuit breaker has a quite perfect arc extinguishing structure and sufficient current breaking capacity. Therefore, the safe and reliable operation of the high-voltage circuit breaker is also an important guarantee for ensuring the reliability of the power system.
The high-voltage circuit breaker generally adopts SF6 gas as an arc extinguishing and insulating medium, but due to the reasons that a manufacturer does not strictly control the quality of a product, a construction unit has poor installation process, the circuit breaker works in a severe environment for a long time and the like, the phenomenon of gas leakage of SF6 gas is frequent, and further the high-voltage circuit breaker works abnormally.
The utility model provides a high voltage circuit breaker intellectual detection system gathers the multiple work information of high voltage circuit breaker to carry out the substep and progressively judge, need not to have a power failure and detect, can be accurate, safety inspection whether high voltage circuit breaker appears unusually, and confirm trouble high voltage circuit breaker's concrete position, in time transmit trouble information for relevant staff.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high voltage circuit breaker fault detection positioning system can real time monitoring high voltage circuit breaker's behavior to the accurate position signal who gives trouble high voltage circuit breaker.
The utility model particularly relates to a high voltage circuit breaker fault detection positioning system, fault detection positioning system includes signal generation unit, signal acquisition unit, signal conditioning unit, equipment information reading unit, control processing unit, display element, alarm unit and communication unit, signal acquisition unit with signal conditioning unit, control processing unit is connected in proper order, control processing unit still respectively with signal generation unit, equipment information reading unit, display element, alarm unit, communication unit are connected; the fault detection positioning system acquires the related information of the high-voltage circuit breaker through the equipment information reading unit, collects the working information of the high-voltage circuit breaker to analyze and judge, and controls the alarm unit to send out an alarm in time when the high-voltage circuit breaker is abnormal so that monitoring personnel can analyze and process in time.
And the signal generating unit generates an infrared signal according to the control processing unit and transmits the infrared signal to the high-voltage circuit breaker.
The signal acquisition unit adopts current sensor to acquire high-voltage circuit breaker main loop current, divide-shut brake coil current, adopts voltage sensor to acquire high-voltage circuit breaker main loop voltage, divide-shut brake coil voltage, adopts displacement sensor to acquire high-voltage circuit breaker moving contact stroke signal, adopts pressure sensor to acquire high-voltage circuit breaker closing spring state signal, adopts acceleration sensor to acquire high-voltage circuit breaker vibration signal, adopts infrared sensor to acquire infrared signal's reflected signal intensity.
The signal conditioning unit comprises an amplifying module, a filtering module and an A/D conversion module, amplifies and filters the signals acquired by the signal acquisition unit into signals suitable for the sampling range of the A/D conversion module, and then performs A/D conversion through the A/D conversion module; the filtering module filters high-frequency interference signals by adopting a low-pass filter.
The equipment information reading unit reads the related information of the high-voltage circuit breaker by adopting an RDI reader-writer, wherein the related information of the high-voltage circuit breaker comprises position information and rated parameters; the RDI reader-writer comprises an RFID radio frequency module, a control module, a power supply module and a communication module, wherein the communication module is connected with the control processing unit through a serial interface.
The control processing unit adopts a microprocessor to carry out intelligent control and analysis and judgment on the fault detection positioning system, and when abnormality occurs, the control processing unit controls the alarm unit to give an alarm and controls the communication unit to upload the abnormal condition and the position information of the high-voltage circuit breaker to a remote monitoring center.
And the display unit adopts an LED display screen to specifically display the equipment information, the detection information and the fault information of the fault detection and positioning system.
The alarm unit adopts audible and visual alarm, the communication unit adopts GPRS wireless communication technique will fault detection positioning system equipment information, detection information and fault information upload to the remote monitoring center.
Compared with the prior art, the beneficial effects are: the fault detection positioning system collects various working information of the high-voltage circuit breaker, performs step-by-step progressive judgment without power failure detection, accurately determines the specific position of the fault high-voltage circuit breaker, and timely transmits the fault information to related workers.
Drawings
Fig. 1 is the utility model relates to a high voltage circuit breaker fault detection positioning system's schematic structure diagram.
Detailed Description
The following combines the figure to be right the utility model relates to a high voltage circuit breaker fault detection positioning system's embodiment does the detailed explanation.
As shown in fig. 1, the utility model discloses a fault detection positioning system includes signal generation unit, signal acquisition unit, signal conditioning unit, equipment information reading unit, control processing unit, display element, alarm unit and communication unit, signal acquisition unit with signal conditioning unit, control processing unit connect gradually, control processing unit still respectively with signal generation unit, equipment information reading unit, display element, alarm unit, communication unit are connected; the fault detection positioning system acquires the related information of the high-voltage circuit breaker through the equipment information reading unit, collects the working information of the high-voltage circuit breaker to analyze and judge, and controls the alarm unit to send out an alarm in time when the high-voltage circuit breaker is abnormal so that monitoring personnel can analyze and process in time.
And the signal generating unit generates an infrared signal according to the control processing unit and transmits the infrared signal to the high-voltage circuit breaker.
The signal acquisition unit adopts current sensor to acquire high-voltage circuit breaker main loop current, divide-shut brake coil current, adopts voltage sensor to acquire high-voltage circuit breaker main loop voltage, divide-shut brake coil voltage, adopts displacement sensor to acquire high-voltage circuit breaker moving contact stroke signal, adopts pressure sensor to acquire high-voltage circuit breaker closing spring state signal, adopts acceleration sensor to acquire high-voltage circuit breaker vibration signal, adopts infrared sensor to acquire infrared signal's reflected signal intensity.
The signal conditioning unit comprises an amplifying module, a filtering module and an A/D conversion module, amplifies and filters the signals acquired by the signal acquisition unit into signals suitable for the sampling range of the A/D conversion module, and then performs A/D conversion through the A/D conversion module; the filtering module filters high-frequency interference signals by adopting a low-pass filter.
The high-voltage circuit breaker is provided with an RFID chip, the equipment information reading unit adopts an RDI reader-writer to read the related information of the high-voltage circuit breaker, and the related information of the high-voltage circuit breaker comprises position information and rated parameters; the RDI reader-writer comprises an RFID radio frequency module, a control module, a power supply module and a communication module, wherein the communication module is connected with the control processing unit through a serial interface.
The control processing unit adopts a microprocessor to carry out intelligent control and analysis judgment on the fault detection positioning system, controls the alarm unit to give an alarm when abnormality occurs, controls the communication unit to upload the abnormal condition and the position information of the high-voltage circuit breaker to a remote monitoring center, and specifically comprises the following steps:
step (1): judging whether the main loop current is in a main loop current reference range or not, if not, controlling the alarm unit to give an alarm, and controlling the display unit to display that the main loop current is abnormal;
step (2): judging whether the main loop voltage is in a main loop voltage reference range or not, if not, controlling the alarm unit to give an alarm, and controlling the display unit to display that the main loop voltage is abnormal;
and (3): judging whether the vibration signal is greater than a vibration signal reference value, if so, controlling the alarm unit to give an alarm, and controlling the display unit to display abnormal vibration;
and (4): calculating SF6 concentration according to the reflection signal of the infrared signal:
k is the absorption coefficient, L is the thickness of SF6, I is the reflected signal strength, I0Is the infrared signal intensity;
and (5): judging whether the SF6 concentration is lower than an SF6 concentration reference value, if so, controlling the alarm unit to give an alarm, and controlling the display unit to display that the SF6 concentration is abnormal);
and (6): judging whether the current of the opening and closing coil is in the current reference range of the opening and closing coil, if not, controlling the alarm unit to give an alarm, and controlling the display unit to display the current abnormity of the opening and closing coil;
and (7): judging whether the voltage of the opening and closing coil is in the reference range of the voltage of the opening and closing coil, if not, controlling the alarm unit to give an alarm, and controlling the display unit to display the abnormal voltage of the opening and closing coil;
and (8): judging whether the moving contact stroke signal is at a moving contact stroke reference position or not, if not, controlling the alarm unit to give an alarm, and controlling the display unit to display that the moving contact acts abnormally;
and (9): judging whether the closing spring state signal is in a spring reference range or not, if not, controlling the alarm unit to give an alarm and controlling the display unit to cause the spring to be abnormal;
step (10): and uploading the detection information, the fault information and the position information of the fault detection and positioning system to a remote monitoring center through the communication unit.
And the display unit adopts an LED display screen to specifically display the equipment information, the detection information and the fault information of the fault detection and positioning system.
The alarm unit adopts audible and visual alarm, the communication unit adopts GPRS wireless communication technique will fault detection positioning system equipment information, detection information and fault information upload to the remote monitoring center.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A fault detection and positioning system of a high-voltage circuit breaker is characterized by comprising a signal generating unit, a signal acquiring unit, a signal conditioning unit, an equipment information reading unit, a control processing unit, a display unit, an alarm unit and a communication unit, wherein the signal acquiring unit is sequentially connected with the signal conditioning unit and the control processing unit; the fault detection positioning system acquires the related information of the high-voltage circuit breaker through the equipment information reading unit, collects the working information of the high-voltage circuit breaker to analyze and judge, and controls the alarm unit to send out an alarm in time when the high-voltage circuit breaker is abnormal so that monitoring personnel can analyze and process in time.
2. The fault detection and positioning system for the high-voltage circuit breaker according to claim 1, wherein the signal generation unit generates an infrared signal according to the control processing unit and transmits the infrared signal to the high-voltage circuit breaker.
3. The system as claimed in claim 2, wherein the signal collecting unit collects the main loop current and the opening and closing coil current of the high voltage circuit breaker by using a current sensor, collects the main loop voltage and the opening and closing coil voltage of the high voltage circuit breaker by using a voltage sensor, collects the stroke signal of the moving contact of the high voltage circuit breaker by using a displacement sensor, collects the state signal of the closing spring of the high voltage circuit breaker by using a pressure sensor, collects the vibration signal of the high voltage circuit breaker by using an acceleration sensor, and collects the intensity of the reflected signal of the infrared signal by using an infrared sensor.
4. The system according to claim 3, wherein the signal conditioning unit comprises an amplifying module, a filtering module and an A/D conversion module, and the signal acquired by the signal acquisition unit is amplified and filtered to be a signal suitable for the sampling range of the A/D conversion module, and then is subjected to A/D conversion by the A/D conversion module.
5. The system for detecting and positioning the fault of the high-voltage circuit breaker according to claim 4, wherein the equipment information reading unit reads the relevant information of the high-voltage circuit breaker by using an RDI reader-writer, and the relevant information of the high-voltage circuit breaker comprises position information and rated parameters; the RDI reader-writer comprises an RFID radio frequency module, a control module, a power supply module and a communication module, wherein the communication module is connected with the control processing unit through a serial interface.
6. The fault detection and positioning system of the high-voltage circuit breaker according to claim 5, wherein the control processing unit adopts a microprocessor to perform intelligent control and analysis and judgment on the fault detection and positioning system, and when an abnormality occurs, the control processing unit controls the alarm unit to give an alarm and controls the communication unit to upload the abnormal condition and the position information of the high-voltage circuit breaker to a remote monitoring center.
7. The fault detection and location system of the high-voltage circuit breaker according to claim 6, wherein the display unit adopts an LED display screen to specifically display the equipment information, the detection information and the fault information of the fault detection and location system.
8. The fault detection and location system of the high-voltage circuit breaker according to claim 7, wherein the alarm unit employs an audible and visual alarm, and the communication unit employs a GPRS wireless communication technology to upload the equipment information, detection information and fault information of the fault detection and location system to the remote monitoring center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022708518.4U CN214150959U (en) | 2020-11-20 | 2020-11-20 | High-voltage circuit breaker fault detection positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022708518.4U CN214150959U (en) | 2020-11-20 | 2020-11-20 | High-voltage circuit breaker fault detection positioning system |
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| Publication Number | Publication Date |
|---|---|
| CN214150959U true CN214150959U (en) | 2021-09-07 |
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| CN202022708518.4U Active CN214150959U (en) | 2020-11-20 | 2020-11-20 | High-voltage circuit breaker fault detection positioning system |
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| CN (1) | CN214150959U (en) |
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- 2020-11-20 CN CN202022708518.4U patent/CN214150959U/en active Active
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