CN205427140U - High voltage circuit breaker stroke test testing system based on DSP - Google Patents
High voltage circuit breaker stroke test testing system based on DSP Download PDFInfo
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- CN205427140U CN205427140U CN201520986702.1U CN201520986702U CN205427140U CN 205427140 U CN205427140 U CN 205427140U CN 201520986702 U CN201520986702 U CN 201520986702U CN 205427140 U CN205427140 U CN 205427140U
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Abstract
The utility model belongs to the technical field of high pressure electrical apparatus testing, in particular to high voltage circuit breaker stroke test testing system based on DSP. Be connected with the permanent magnet through the shaft coupling by linear displacement sensor's the guide arm that moves, the other end of permanent magnet and high voltage circuit breaker's moving contact are connected, and linear displacement sensor is connected with the universal stand, and the universal stand is connected on high voltage circuit breaker, and linear displacement sensor's signal output part is connected through the signal input part of data line with the test system. The utility model discloses can carry out the rapid survey to high voltage circuit breaker's formation, the measurement process need not processed and connect and fixed component, has advantages such as simple structure, easily installation, measurement accuracy height and stability are good. Be fit for detecting the popularization of inspection field and using at power equipment, can improve high -pressure electric appliances's quality, shorten the round of visits, have certain social and economic benefits.
Description
Technical field
This utility model belongs to High-Voltage Electrical Appliances experimental technique field, particularly to a kind of primary cut-out stroke test pilot system based on DSP.
Background technology
Recently as economic prosperity and development, power system capacity increases therewith with the demand of energy, and reliability and economy to power system propose the highest requirement.Primary cut-out undertakes control and protection dual role in power system, on the one hand can close, carry, cut-offs the electric current in normal loop, have fault detect and defencive function simultaneously.In power system, the enormous amount of primary cut-out, therefore its performance reliability is particularly important for the safety of whole power system.Stroke, vibration and average mark closing speed etc. are the operational factors that primary cut-out is main, also can be the important indicators weighing primary cut-out performance.The focus that development structure is simple, be easily installed, maneuverable test equipment is High-Voltage Electrical Appliances field tests research.
Utility model content
In order to solve the technical problem that prior art exists, the utility model proposes a kind of primary cut-out stroke test pilot system based on DSP, purpose is to shorten the round of visits of high voltage electric appliance, promotes the progress of such examination and test of products technology, and the development for intelligent electrical apparatus technology lays the foundation.
This utility model is achieved through the following technical solutions utility model purpose:
Primary cut-out stroke test pilot system based on DSP, the dynamic guide rod of linear displacement transducer is connected with permanent magnet by shaft coupling, the other end of permanent magnet is connected with the moving contact of primary cut-out, linear displacement transducer is connected with universal stand, universal stand is connected on primary cut-out, and the signal output part of linear displacement transducer is connected by the signal input part of data wire with test system.
Described linear displacement transducer is connected with universal stand by fixing end.
Described universal stand passes through internal controllable magnetic ferropexy on the side end cap of primary cut-out.
nullDescribed test system is with digital signal processor DSP as core，It is to be connected with the input of signal conversion unit by the signal output part of linear displacement transducer、The outfan of signal conversion unit is connected with the input of signal isolated location，The outfan of signal isolated location is connected with the input end of analog signal of DSP，The input of display screen is connected with the signal output part of DSP，The input of control panel is connected with the input of DSP，The primary side controlling transformator is connected with electrical network，Control transformator secondary side respectively with linear displacement transducer、The power input of dsp chip is connected，The outfan of DLL is connected with the program input of DSP，The input of DLL is connected with the outfan of emulator，The input of emulator is connected with the USB interface of computer，The outfan of reset unit is connected with the reseting terminal within DSP，The input of communication module and the communication line interface of DSP connect，The outfan of communication module and the serial communication interface line of computer connect.
Described primary side is two binding posts, and 220V voltage inputs, and described secondary side is the output of 5V and 3.3V two-way voltage, powers for sensor and DSP.
Advantage of the present utility model and providing the benefit that:
The formation of primary cut-out can quickly be measured by this utility model, and measurement process need not processing and connects and retaining element, have simple in construction, be easily installed, certainty of measurement is high and the advantage such as good stability.Meanwhile, data can be sent to computer by serial communication interface by test system, it is simple to data analysis and longer-term storage.This utility model is suitable for checking field promotion and application at electric device maintenance, can improve the quality of high voltage electric appliance, shorten round of visits, have certain Social benefit and economic benefit.
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that this utility model tests system mechanics structure diagram；
Fig. 2 is that this utility model tests system electrical structured flowchart；
Fig. 3 is primary cut-out stroke test pilot system workflow based on DSP.
In figure, 1 primary cut-out；2 permanent magnets；3 shaft couplings；4 linear displacement transducers；5 data wires；6 test systems；7 universal stands；8 signal conversion units；9 signal isolated locations；10DSP；11 control transformator；12 reset unit；13 display screens；14 communication modules；15 DLLs；16 emulators；17 computers；18 electrical networks；19 control panels.
Detailed description of the invention
This utility model is a kind of primary cut-out stroke test pilot system based on DSP, frame for movement sketch as it is shown in figure 1, test system electrical structured flowchart as in figure 2 it is shown, test system and computer communication circuit diagram as shown in Figure 3.
Primary cut-out stroke test pilot system frame for movement sketch based on DSP is as shown in Figure 1, this system includes primary cut-out 1, linear displacement transducer 4, permanent magnet 2, shaft coupling 3, universal stand 7, data wire 5 and test system 6 form, wherein the dynamic guide rod of linear displacement transducer 4 is connected with permanent magnet 2 by shaft coupling 3, the other end of permanent magnet 2 is connected with the moving contact of primary cut-out 1, the fixing end of linear displacement transducer 4 is connected with universal stand 7, universal stand 7 passes through internal controllable magnetic ferropexy on the side end cap of primary cut-out 1, the signal output part of linear displacement transducer 4 is connected by the signal input part of data wire 5 with test system 6.
nullDescribed test system 6 is with digital signal processor DSP as core，Electrical structure block diagram is as shown in Figure 2，Mainly include signal conversion unit 8、Signal isolated location 9、DSP10、Display screen 13、Control panel 19、Control transformator 11、Electrical network 18、DLL 15、Emulator 16、Reset unit 12、Communication module 14、Computer 17 and linear displacement transducer 4，Wherein the signal output part of linear displacement transducer 4 is connected with the input of signal conversion unit 8、The outfan of signal conversion unit 8 is connected with the input of signal isolated location 9，The outfan of signal isolated location 9 is connected with the input end of analog signal of DSP10，The input of display screen 13 is connected with the signal output part of DSP10，The input of control panel 19 is connected with the input of DSP10，The primary side controlling transformator 11 is connected with electrical network 18，Control transformator 11 secondary side respectively with linear displacement transducer 4、The power input of the chips such as DSP10 is connected，The outfan of DLL 15 is connected with the program input of DSP10，The input of DLL 15 is connected with the outfan of emulator 16，The input of emulator 16 is connected with the USB interface of computer 17，The outfan of reset unit 12 is connected with the reseting terminal within DSP10，The input of communication module 14 and the communication line interface of DSP10 connect，The outfan of communication module 14 and the serial communication interface line of computer 17 connect.Foregoing primary side is two binding posts, and 220V voltage inputs, and described secondary side is the output of 5V and 3.3V two-way voltage, powers for sensor and DSP.
Primary cut-out stroke test pilot system workflow based on DSP is as shown in Figure 3:
1, system initialization；
2, self-inspection；
3, action command is waited；
4, sensor signal is gathered；
5, judge whether action completes；
6, signal processing；
7, primary cut-out run-length data is calculated；
8, data show and communication
9, terminate.
Claims (5)
1. primary cut-out stroke test pilot system based on DSP, it is characterized in that: the dynamic guide rod of linear displacement transducer (4) is connected with permanent magnet (2) by shaft coupling (3), the other end of permanent magnet (2) is connected with the moving contact of primary cut-out (1), linear displacement transducer (4) is connected with universal stand (7), universal stand (7) is connected on primary cut-out (1), and the signal output part of linear displacement transducer (4) is connected by the signal input part of data wire (5) with test system (6).
Primary cut-out stroke test pilot system based on DSP the most according to claim 1, is characterized in that: described linear displacement transducer (4) is connected with universal stand (7) by fixing end.
Primary cut-out stroke test pilot system based on DSP the most according to claim 1, is characterized in that: described universal stand (7) passes through internal controllable magnetic ferropexy on the side end cap of primary cut-out (1).
nullPrimary cut-out stroke test pilot system based on DSP the most according to claim 1，It is characterized in that: described test system (6) is with digital signal processor DSP as core，It is that the signal output part by linear displacement transducer (4) is connected with the input of signal conversion unit (8)、The outfan of signal conversion unit (8) is connected with the input of signal isolated location (9)，The outfan of signal isolated location (9) and DSP(10) input end of analog signal be connected，The input of display screen (13) and DSP(10) signal output part be connected，The input of control panel (19) and DSP(10) input be connected，The primary side controlling transformator (11) is connected with electrical network (18)，Control transformator (11) secondary side respectively with linear displacement transducer (4)、DSP(10) power input of chip is connected，The outfan of DLL (15) and DSP(10) program input be connected，The input of DLL (15) is connected with the outfan of emulator (16)，The input of emulator (16) is connected with the USB interface of computer (17)，The outfan of reset unit (12) and DSP(10) internal reseting terminal is connected，The input of communication module (14) and DSP(10) communication line interface connect，The outfan of communication module (14) and the serial communication interface line of computer (17) connect.
Primary cut-out stroke test pilot system based on DSP the most according to claim 4, is characterized in that: described primary side is two binding posts, and 220V voltage inputs, and described secondary side is the output of 5V and 3.3V two-way voltage, powers for sensor and DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986702.1U CN205427140U (en) | 2015-12-02 | 2015-12-02 | High voltage circuit breaker stroke test testing system based on DSP |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520986702.1U CN205427140U (en) | 2015-12-02 | 2015-12-02 | High voltage circuit breaker stroke test testing system based on DSP |
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| CN205427140U true CN205427140U (en) | 2016-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| CN107271176A (en) * | 2017-08-04 | 2017-10-20 | 江苏省电力试验研究院有限公司 | The standard movement device and method of testing driven based on linear electric motors |
-
2015
- 2015-12-02 CN CN201520986702.1U patent/CN205427140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403830A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | DSP-based stroke test system of high-voltage circuit breaker |
| CN107271176A (en) * | 2017-08-04 | 2017-10-20 | 江苏省电力试验研究院有限公司 | The standard movement device and method of testing driven based on linear electric motors |
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