CN201335876Y - Detection device for electrical characteristics of circuit breaker based on DSP - Google Patents
Detection device for electrical characteristics of circuit breaker based on DSP Download PDFInfo
- Publication number
- CN201335876Y CN201335876Y CNU2008201576850U CN200820157685U CN201335876Y CN 201335876 Y CN201335876 Y CN 201335876Y CN U2008201576850 U CNU2008201576850 U CN U2008201576850U CN 200820157685 U CN200820157685 U CN 200820157685U CN 201335876 Y CN201335876 Y CN 201335876Y
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- dsp
- detection device
- isolating switch
- industrial computer
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Abstract
The utility model relates to a detection device for electrical characteristics of a circuit breaker based on DSP, which comprises an industrial computer, at least one detection module for electrical characteristics, and a sensor group connected with the detection module for the electrical characteristics; wherein the industrial computer is in line connection with the sensor group by the detection module for the electrical characteristics; preferably, the industrial computer is a DELL industrial computer; the line connection adopts an RS485 bus; the detection module for electrical characteristics adopts a TMS320F2812 chip; and the sensor group comprises a linear displacement sensor, an angular displacement sensor, a current sensor, a vibration sensor, a temperature signal sensor or one or a plurality of sulfur hexafluoride density relays. The detection device has stable working, reliable performance, convenient use, sufficient detection functions, fast speed and high precision, integrates various detections for electrical characteristics of the circuit breaker, and simplifies the detection process.
Description
Technical field
The utility model relates to the detection system technical field, and particularly the electric Characteristics Detection systems technology of isolating switch field specifically is meant the electric characteristic detection device of a kind of isolating switch based on DSP.
Background technology
Mainly protect isolating switch with opertaing device as electrical network, its reliable in action is very important.Equipment of protecting with isolating switch such as generator, transformer are compared, and the price of separate unit isolating switch is much lower.But the loss that causes because of circuit breaker failure, as cause the damage of other power equipment (capacitor, transformer etc.) or the power failure of electric system, all considerably beyond the value of isolating switch itself, so its functional reliability has crucial meaning to the safe operation of electric system.And the reliability of isolating switch depends on the reliability of its electric operation mechanism to a great extent.Statistics shows, the fault in the actual motion (such as refusing branch, refuse to close, mistake is divided, mistake is closed etc.) major part is the electric operation mechanism-trouble, and the electrical specification check of the finished product that dispatches from the factory becomes one of important means of isolating switch quality assurance.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provide a kind of isolating switch electric characteristic detection device based on DSP, this pick-up unit working stability, dependable performance, easy to use, measuring ability is complete, speed is fast, precision is high, the measurement of the many electrical specifications of isolating switch can be integrated in one, simplify measuring process.
To achieve these goals, the electric characteristic detection device of the isolating switch based on DSP of the present utility model has following formation:
Should be based on the electric characteristic detection device of the isolating switch of DSP, be characterized in, comprise industrial computer, at least one electrical specification detection module, the sensor groups that is connected with described electrical specification detection module, described industrial computer is connected with described sensor groups circuit by described electrical specification detection module.
Preferably, described industrial computer is the DELL industrial computer.
Preferably, described circuit connects employing RS485 bus.
Preferably, described electrical specification detection module adopts the TMS320F2812 chip.
Preferably, described sensor groups comprises one or more of linear displacement transducer, angular displacement sensor, current sensor, vibration transducer, temperature signal sensor or sulfur hexafluoride density relay.
More preferably, described linear displacement transducer is a FX15 type differential transformer transducer, and described angular displacement sensor is the WDD35D-4 angular displacement sensor, and described current sensor is a JTS-B type Hall magnetic balance type current sensor.
Adopt the utility model, because the utility model is a core with the TMS320F2812 chip, by automatic measurement, demonstration, storing queries and the printing function of sensor realization to its divide-shut brake electrical specification parameter, conditional curve, the debugging proof, this monitoring unit working stability, dependable performance, easy to use, measuring ability is complete, speed is fast, precision is high, the measurement of the many electrical specifications of isolating switch can be integrated in one, and has simplified measuring process.
Description of drawings
Fig. 1 is the basic structure synoptic diagram of a specific embodiment of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1, the electric characteristic detection device of isolating switch based on DSP of the present utility model, comprise industrial computer, at least one electrical specification detection module, the sensor groups that is connected with described electrical specification detection module, described industrial computer is connected with described sensor groups circuit by described electrical specification detection module.
In a specific embodiment of the present utility model, described industrial computer is the DELL industrial computer.
In a specific embodiment of the present utility model, described circuit connects employing RS485 bus.
In a specific embodiment of the present utility model, described electrical specification detection module adopts the TMS320F2812 chip.
Preferably, described sensor groups comprises one or more of linear displacement transducer, angular displacement sensor, current sensor, vibration transducer, temperature signal sensor or sulfur hexafluoride density relay.
In a specific embodiment of the present utility model, described linear displacement transducer is a FX15 type differential transformer transducer, described angular displacement sensor is the WDD35D-4 angular displacement sensor, and described current sensor is a JTS-B type Hall magnetic balance type current sensor.
Divide-shut brake angular displacement-the time curve of the utility model established angle displacement sensor isolating switch main shaft on main shaft, under off-line state, adopt FX15 type differential transformer transducer to determine to link to each other and the straight-line displacement of synchronous insulated tension pole with moving contact of breaker, the signal of while acquisition angle displacement transducer, obtain the corresponding relation of straight-line displacement and angular displacement by both measurement of comparison, obtain the straight-line displacement-time curve of moving contact indirectly, current sensor is installed among the circuit-breaker switching on-off operation circuit, and the output of current sensor is converted to 0-3V voltage signal input DSP by signal conditioning circuit.
The utility model is divided into host computer and slave computer two parts, can finish the test of 8 circuit breakers simultaneously.Host computer adopts the top management equipment of DELL industrial computer as total system, host computer procedure by the establishment of VB programming software, in conjunction with SQLServer 2000 database management languages, finish supervision and management to the isolating switch testing process, realization is such as report printing, and data storage, inquiry, stop and task such as fault alarm the startup of system, the system manager also can revise other operating personnel's operating right, prevents unauthorized operation.Slave computer is that of independent design is the electric characteristic comprehensive detecting Instrument of isolating switch of core processor with DSP2812, and the physical criterion between host computer and the slave computer adopts the RS485 interface, and communication protocol adopts Modbus, and transmission mode is a RT ' U pattern.
Circuit-breaker status information (for example divide-shut brake coil current characteristic, trial voltage level signal etc.) after slave computer is handled, be uploaded to host computer in order to the staff monitor, inquiry; The staff also can send control or revise the instruction that is provided with detection module by host computer simultaneously.Thereby select the model of tested isolating switch and circuit-breaker testing electric pressure, detect content etc., and send control signal corresponding by detection module and finish detection.
The utility model adopts TMS320F2812DSP (being called for short DSP2812) to design an electric characteristic detection device of isolating switch, utilizes high-speed computation ability and the multiple sensor with difference in functionality of DSP2812, has realized following function:
(1) time-stroke curve of detection moving contact of breaker, carry out least square curve fit to repeatedly measuring the gained result, isolating switch is analyzed as the test foundation with this, calculated clearance between open contacts, firm resultant velocity, just-off speed, divide time and standard-sized sheet break time etc. admittedly.
(2) the actuating number of times of isolating switch statistics; The project relevant: coil path, coil current, coil voltage information acquisition with the divide-shut brake coil; The vacuum tightness detection of vacuum circuit breaker etc.
To sum up, the electric characteristic detection device working stability of isolating switch based on DSP of the present utility model, dependable performance, easy to use, measuring ability is complete, speed is fast, precision is high, the measurement of the many electrical specifications of isolating switch can be integrated in one, simplify measuring process.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. electric characteristic detection device of the isolating switch based on DSP, it is characterized in that, comprise industrial computer, at least one electrical specification detection module, the sensor groups that is connected with described electrical specification detection module, described industrial computer is connected with described sensor groups circuit by described electrical specification detection module.
2. the electric characteristic detection device of the isolating switch based on DSP as claimed in claim 1 is characterized in that described industrial computer is the DELL industrial computer.
3. the electric characteristic detection device of the isolating switch based on DSP as claimed in claim 1 is characterized in that, described circuit connects employing RS485 bus.
4. the electric characteristic detection device of the isolating switch based on DSP as claimed in claim 1 is characterized in that, described electrical specification detection module adopts the TMS320F2812 chip.
5. the electric characteristic detection device of the isolating switch based on DSP as claimed in claim 1, it is characterized in that described sensor groups comprises one or more of linear displacement transducer, angular displacement sensor, current sensor, vibration transducer, temperature signal sensor or sulfur hexafluoride density relay.
6. the electric characteristic detection device of the isolating switch based on DSP as claimed in claim 5, it is characterized in that, described linear displacement transducer is a FX15 type differential transformer transducer, described angular displacement sensor is the WDD35D-4 angular displacement sensor, and described current sensor is a JTS-B type Hall magnetic balance type current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201576850U CN201335876Y (en) | 2008-12-23 | 2008-12-23 | Detection device for electrical characteristics of circuit breaker based on DSP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201576850U CN201335876Y (en) | 2008-12-23 | 2008-12-23 | Detection device for electrical characteristics of circuit breaker based on DSP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335876Y true CN201335876Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201576850U Expired - Fee Related CN201335876Y (en) | 2008-12-23 | 2008-12-23 | Detection device for electrical characteristics of circuit breaker based on DSP |
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| CN (1) | CN201335876Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907667A (en) * | 2010-08-13 | 2010-12-08 | 青岛宏达赛耐尔科技股份有限公司 | Performance test-bed of high-voltage equipment box |
| CN101776720B (en) * | 2010-01-04 | 2011-09-07 | 苏州热工研究院有限公司 | Multiple-factor detection system for aging condition of fuse and assessment method for aging condition |
| CN103594294A (en) * | 2013-11-28 | 2014-02-19 | 人民电器集团有限公司 | Method for detecting mechanical characteristics of circuit breaker operating mechanism and circuit breaker operating mechanism |
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| CN106597269A (en) * | 2016-11-28 | 2017-04-26 | 深圳供电局有限公司 | Intelligent debugging platform for phase control switch |
| CN107831435A (en) * | 2017-12-01 | 2018-03-23 | 北京中车赛德铁道电气科技有限公司 | A kind of visual Simulation device for vacuum circuit breaker operating mechanism performance test |
| CN110364391A (en) * | 2019-07-16 | 2019-10-22 | 上海上芃电气有限公司 | A kind of SF6 gas teletransmission density monitor of the micro- water one of density |
-
2008
- 2008-12-23 CN CNU2008201576850U patent/CN201335876Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776720B (en) * | 2010-01-04 | 2011-09-07 | 苏州热工研究院有限公司 | Multiple-factor detection system for aging condition of fuse and assessment method for aging condition |
| CN101907667A (en) * | 2010-08-13 | 2010-12-08 | 青岛宏达赛耐尔科技股份有限公司 | Performance test-bed of high-voltage equipment box |
| CN101907667B (en) * | 2010-08-13 | 2015-02-11 | 青岛宏达赛耐尔科技股份有限公司 | Performance test-bed of high-voltage equipment box |
| CN103594294A (en) * | 2013-11-28 | 2014-02-19 | 人民电器集团有限公司 | Method for detecting mechanical characteristics of circuit breaker operating mechanism and circuit breaker operating mechanism |
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| CN106597269A (en) * | 2016-11-28 | 2017-04-26 | 深圳供电局有限公司 | Intelligent debugging platform for phase control switch |
| CN107831435A (en) * | 2017-12-01 | 2018-03-23 | 北京中车赛德铁道电气科技有限公司 | A kind of visual Simulation device for vacuum circuit breaker operating mechanism performance test |
| CN110364391A (en) * | 2019-07-16 | 2019-10-22 | 上海上芃电气有限公司 | A kind of SF6 gas teletransmission density monitor of the micro- water one of density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20151223 |
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| EXPY | Termination of patent right or utility model |