CN203191521U - Device for testing dynamic characteristics of breaker - Google Patents
Device for testing dynamic characteristics of breaker Download PDFInfo
- Publication number
- CN203191521U CN203191521U CN 201320153947 CN201320153947U CN203191521U CN 203191521 U CN203191521 U CN 203191521U CN 201320153947 CN201320153947 CN 201320153947 CN 201320153947 U CN201320153947 U CN 201320153947U CN 203191521 U CN203191521 U CN 203191521U
- Authority
- CN
- China
- Prior art keywords
- isolating switch
- dynamic characteristic
- module
- main control
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a device for testing the dynamic characteristics of a breaker. The device comprises an auxiliary detection circuit for receiving the dynamic characteristic signals of the breaker, a master control unit and a breaker opening and closing execution unit, wherein the auxiliary detection circuit sends the received dynamic characteristic signals to the master control unit which sends controls signals to the breaker opening and closing execution unit. The device provided in the utility model is excellent in stability, better in functions and high in adaptability, and is applicable to breaker dynamic characteristics test, reclosing test, mechanical life test and fault diagnosis. The device is especially suitable for determining and analyzing abnormal data in mechanical life test, and such data shows which characteristics of the breaker go wrong first in the mechanical life test. The device diagnoses and analyzes the operating mechanism states and provides specific suggestions on improvement for switch manufacturers.
Description
Technical field
The utility model relates to a kind of isolating switch dynamic characteristic test device.
Background technology
Primary cut-out is as device for switching equipment important in the electric system; taking on the vital task of controlling and protecting whole electric system; the performance quality of isolating switch is very big to the influence of electrical network; manufacturer needs to split the pass and carries out strict check in production and the process of dispatching from the factory; namely isolating switch is carried out the test of every characteristic index and mechanical endurance test etc., reach relevant index with the performance of guaranteeing isolating switch.
Existing most of circuit breaker characteristic test macro often exists defectives such as the image data amount is few, expense is high, poor stability, analysis software exist poor operability, data database storing amount little, do not have the life test function or test incomplete places such as inaccurate.
Along with people improve constantly the requirement of the safe reliability of electricity consumption, need more comprehensively and the accurate test platform of test both opens device, therefore exploitation circuit breaker characteristic test macro stable more and that function is more complete is very necessary.
Summary of the invention
The utility model purpose is to address the above problem, and a kind of good stability, perfect in shape and function, adaptable isolating switch dynamic characteristic test device are provided, and is specifically realized by following technical scheme.
A kind of isolating switch dynamic characteristic test device is connected with the some isolating switch dynamic characteristic sensing parts that comprise the isolating switch auxiliary contact, and this device comprises for the auxiliary detection circuit, main control unit and the isolating switch folding performance element that receive isolating switch dynamic characteristic signal; Described auxiliary detection circuit sends the dynamic characteristic signal that receives to main control unit, and described main control unit sends control signal to isolating switch folding performance element.
Described isolating switch dynamic characteristic test device, further design is, described main control unit comprises the Hall element module, the signal condition module, the A/D modular converter, open into leaving module, two CPU main control modules and be used for the storer of read-write dynamic characteristic signal data, described Hall element module sends the dynamic characteristic signal that the auxiliary detection circuit receives to the signal condition module, described signal condition module is connected with described pair of CPU main control module by the A/D modular converter, and described pair of CPU main control module sends control signal to isolating switch folding performance element by opening into leaving module.
Described isolating switch dynamic characteristic test device, further design is, described opening into leaving module comprises and opening into amount circuit and the amount of leaving circuit, described opening into the amount circuit connects isolating switch auxiliary contact and two CPU main control module, and the described amount of leaving circuit sends the control signal of two CPU main control modules to isolating switch folding performance element.
Described isolating switch dynamic characteristic test device, further design is that described A/D modular converter is the ADS8364 chip, described pair of CPU main control module comprises the STM32 series monolithic.
Described isolating switch dynamic characteristic test device, further design is that described opening into the amount circuit comprises the twin-stage light-coupled isolation, the described amount of leaving circuit comprises optical coupling isolation circuit, big current drives array chip and output relay.
Described isolating switch dynamic characteristic test device, further design is that described isolating switch folding performance element is the relay logic control circuit.
The utility model proposes a kind of good stability, perfect in shape and function, adaptable isolating switch dynamic characteristic test device, can carry out dynamic characteristic test, reclosing test, mechanical endurance test and the fault diagnosis etc. of isolating switch, particularly can judge, analyze the abnormal data in the durability test, these data can characterize isolating switch which characteristic when durability test at first to go wrong, realization can propose improvement idea accurately for switch manufacturer to the diagnostic analysis of operating mechanism state.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the connecting circuit figure of AD unit and main control unit.
Fig. 3 is for opening into circuit diagram.
Fig. 4 is digital output circuit figure.
Fig. 5 is the relay logic control circuit of isolating switch.
Fig. 6 is the system module function logic frame chart.
Embodiment
Below in conjunction with Figure of description and specific embodiment the utility model is further specified.
Contrast Fig. 1, this isolating switch dynamic characteristic test device is connected with the some isolating switch dynamic characteristic sensing parts 1 that comprise isolating switch auxiliary contact 11, comprises for the auxiliary detection circuit, main control unit 3 and the isolating switch folding performance element 4 that receive isolating switch dynamic characteristic signal; Auxiliary detection circuit 2 sends the dynamic characteristic signal that receives to main control unit 3, and main control unit 3 sends control signal to isolating switch folding performance element 4.Isolating switch folding performance element 4 is the relay logic control circuit.
The relay logic control circuit is controlled the folding of isolating switch by the switching winding of permanent magnet mechanism on the control isolating switch, the electric current of closing coil.
As shown in Figure 2, the utility model has very high requirement to AD sampling precision and sample frequency, the ADS8364 chip have hyperchannel, sample frequency height, sampling accurately, plurality of advantages such as control mode flexibly.Since ADS8364 adopt the difference input (the input peak-to-peak value be-VREF and+VREF), therefore the front end of importing at AD is provided with operational amplification circuit, can be fit to different input voltage ranges by disposing different resistances simultaneously.Input signal is become the differential signal that is fit to the ADS8364 port after by discharge circuit.Adopt external active crystal oscillator oscillator as the clock input of ADS8364, the sampling clock control that utilizes the PWM module of STM32 series monolithic to provide six passages to sample simultaneously, data bus links to each other with single-chip microcomputer 16 position datawires, and address bus links to each other with address wire.In internal processes, single-chip microcomputer can accept to test the sample frequency control information with analysis software, and change the output frequency of PWM square wave by the initial value of inside refitting PWM timer, to reach the effect that changes the AD sample frequency, this method makes test macro that stronger signal adaptive be arranged.
As shown in Figure 3 and Figure 4, native system has multichannel and opens into digital output circuit, open into the amount circuit and adopt twin-stage light-coupled isolation design, open into the amount porch and done the voltage stabilizing processing with resistance, electric capacity, stabilivolt, be conducive to anti-interferencely, add the design of twin-stage optocoupler, can stablize and open into the amount signal, signal in processor IO porch through bus driver 6 strengthens function, is conducive to open the collection into amount; Leave two circuit and comprise optical coupling isolation circuit, big current drives array chip 7, output relay etc., characteristics such as big current drives array chip 7 has current gain height, operating voltage height, temperature range is wide, carrying load ability is strong, irritate electric current and can reach 500mA, and can when OFF state, bear the voltage of 50V, output can be in the high load currents parallel running, be particularly suitable for directly driving the load that each generic request of relay etc. is told high-power driving, exit relay adopts high-performance DC12V relay.
As shown in Figure 5, the operation of isolating switch control is the steering order output by central processing unit, cooperates the relay logic control circuit, and the direction of current of control permanent magnet mechanism coil is realized operation such as divide-shut brake.Among the last figure of Fig. 3, HZ is the control contact of closing a floodgate, FZ is separating brake control contact, DL is the normally closed auxiliary contact in the isolating switch cabinet, 1D and 2D are relay coils, D1 and D2 are respectively the normally closed contact of relay 1D and 2D, and normally off refers to the contacts status under the breaker open operation state, when closing a floodgate the control closing of contact, relay coil 1D has electric current to pass through,, the contacts status of 1D changes simultaneously, the D1 closure in figure below, capacitor discharge, the coil L of permanent magnet mechanism leads to forward current, and the control isolating switch carries out closing operation, and the back auxiliary contact state that closes a floodgate changes, when there is operational order separating brake control contact, relay 2D coil is charged, and corresponding D2 contacts status becomes closure state, capacitor discharge, by the solid line partial circuit in figure below, breaker permanent-magnet mechanism coil is oppositely switched on, reduced the confining force of permanent magnet mechanism, finally realize separating brake.The right half part circuit of figure below, dotted line are the routes that switching current is flowed through, and solid line is the route of branch brake current, and thick line is the public part that switching current and branch brake current are flowed through.
As shown in Figure 6, the software section of present embodiment comprises: parameter arranges module, graphic monitoring module, data management module, Database Systems, data communication module and other functional modules, wherein:
Parameter arranges the setting that module mainly is responsible for system's basic parameter information, comprise mainly that the user arranges, authority setting, setting of printing, envelope setting, communication setting etc., link to each other with Database Systems, can upgrade and revise the storage information of basic parameter in the database, belong to the basic function module of system.
The graphic monitoring module comprises main display interface, control panel, independent displaying interface, abnormal data curve etc.This module is connected with the data communication module with database, is system's main modular, can realize can sending downlink command control isolating switch, and can reflecting the dynamic characteristic information of isolating switch intuitively to the operation of isolating switch and to the demonstration of dynamic performance parameters.This module major function is to be responsible for the control work of system and the configuration of test environment, can realize the control of the multiple manner of execution of isolating switch, display interface regularly reads Refresh Data and shows dialog box from database, mainly adopt timer and accessing database to realize;
Data management module mainly is made up of product type management, historical test result inquiry, report query and printing, data importing derivation, test mechanical life, the inquiry of life test abnormal data etc., directly link to each other with database, it is the core of total system data management, main be responsible for to test data processing, storage, function such as inquire about and import and export, also comprise the multinomial management functions such as printing, mechanical endurance test of management, the form of Test Switchboard product type and parameter index.
Database Systems are that the intermediate link in the whole upper computer software system also is core link, link to each other with system nearly all module, but have big data quantity and store, can back up functions such as remote access, being used for core data and the various configuration information of storage system, is that system stability ensures efficiently.
The data communication module is the middle bridge that connects upper computer software and slave computer acquisition system, main exchanges data and the instruction transformation task be responsible for, be connected with database and the graphic monitoring administration module of master system, after starting test assignment, the downlink command of control panel is conveyed to lower computer system, the gauge tap executable operations, the various data upload that to gather then are to upper computer software, be stored in the Database Systems through after the algorithm process, the safety and stability of communication is the prerequisite of system's operate as normal.
The utility model proposes a kind of good stability, perfect in shape and function, adaptable isolating switch dynamic characteristic test system, can carry out dynamic characteristic test, reclosing test, mechanical endurance test and the fault diagnosis etc. of isolating switch, particularly can judge, analyze the abnormal data in the durability test, these data can characterize isolating switch which characteristic when durability test at first to go wrong, realization can propose improvement idea accurately for switch manufacturer to the diagnostic analysis of operating mechanism state.
Claims (6)
1. isolating switch dynamic characteristic test device, be connected with the some isolating switch dynamic characteristic sensing parts that comprise the isolating switch auxiliary contact, it is characterized in that this device comprises for the auxiliary detection circuit, main control unit and the isolating switch folding performance element that receive isolating switch dynamic characteristic signal; Described auxiliary detection circuit sends the dynamic characteristic signal that receives to main control unit, and described main control unit sends control signal to isolating switch folding performance element.
2. isolating switch dynamic characteristic test device according to claim 1, it is characterized in that, described main control unit comprises the Hall element module, the signal condition module, the A/D modular converter, open into leaving module, two CPU main control modules and be used for the storer of read-write dynamic characteristic signal data, described Hall element module sends the dynamic characteristic signal that the auxiliary detection circuit receives to the signal condition module, described signal condition module is connected with described pair of CPU main control module by the A/D modular converter, and described pair of CPU main control module sends control signal to isolating switch folding performance element by opening into leaving module.
3. isolating switch dynamic characteristic test device according to claim 2 is characterized in that, described A/D modular converter is the ADS8364 chip, and described pair of CPU main control module comprises the STM32 series monolithic.
4. isolating switch dynamic characteristic test device according to claim 3, it is characterized in that, described opening into leaving module comprises and opening into amount circuit and the amount of leaving circuit, described opening into the amount circuit connects isolating switch auxiliary contact and two CPU main control module, and the described amount of leaving circuit sends the control signal of two CPU main control modules to isolating switch folding performance element.
5. isolating switch dynamic characteristic test device according to claim 4 is characterized in that, described opening into the amount circuit comprises the twin-stage light-coupled isolation, and the described amount of leaving circuit comprises optical coupling isolation circuit, big current drives array chip and output relay.
6. isolating switch dynamic characteristic test device according to claim 1 is characterized in that, described isolating switch folding performance element is the relay logic control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153947 CN203191521U (en) | 2012-07-18 | 2013-03-29 | Device for testing dynamic characteristics of breaker |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220348367.9 | 2012-07-18 | ||
| CN201220348367 | 2012-07-18 | ||
| CN 201320153947 CN203191521U (en) | 2012-07-18 | 2013-03-29 | Device for testing dynamic characteristics of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191521U true CN203191521U (en) | 2013-09-11 |
Family
ID=49108372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320153947 Expired - Fee Related CN203191521U (en) | 2012-07-18 | 2013-03-29 | Device for testing dynamic characteristics of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191521U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505945A (en) * | 2014-12-25 | 2015-04-08 | 南京因泰莱电器股份有限公司 | Intelligent circuit breaker control system based on IEC (international electrotechnical commission)-61850 standards |
| CN104898049A (en) * | 2015-05-22 | 2015-09-09 | 湖南华峰新宇电子有限公司 | Electromagnetic circuit breaker debugging and detection equipment system |
| CN111398797A (en) * | 2019-12-24 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Hand-held type circuit breaker calibration equipment |
| CN114152871A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Automatic test platform and test method for mechanical aging characteristics of circuit breaker |
| CN114326497A (en) * | 2021-12-24 | 2022-04-12 | 湖南长高思瑞自动化有限公司 | Isolation switch reliability test platform |
-
2013
- 2013-03-29 CN CN 201320153947 patent/CN203191521U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505945A (en) * | 2014-12-25 | 2015-04-08 | 南京因泰莱电器股份有限公司 | Intelligent circuit breaker control system based on IEC (international electrotechnical commission)-61850 standards |
| CN104898049A (en) * | 2015-05-22 | 2015-09-09 | 湖南华峰新宇电子有限公司 | Electromagnetic circuit breaker debugging and detection equipment system |
| CN104898049B (en) * | 2015-05-22 | 2018-03-16 | 湖南华峰新宇电子有限公司 | A kind of electro-magnetic circuit breaker debugs detection device system |
| CN111398797A (en) * | 2019-12-24 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Hand-held type circuit breaker calibration equipment |
| CN114152871A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Automatic test platform and test method for mechanical aging characteristics of circuit breaker |
| CN114326497A (en) * | 2021-12-24 | 2022-04-12 | 湖南长高思瑞自动化有限公司 | Isolation switch reliability test platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203191521U (en) | Device for testing dynamic characteristics of breaker | |
| CN102710014B (en) | Mechanical characteristic condition monitoring device for circuit breaker based on IEC61850 | |
| CN101625395B (en) | Method for measuring relay contact settling time and device thereof | |
| CN201540330U (en) | Digital multifunctional network electrical measuring instrument | |
| CN112550067B (en) | Vehicle BDU system | |
| CN103390863A (en) | Intelligent control device for switch cabinet | |
| CN200990337Y (en) | Breaker intelligent controller | |
| CN101778007B (en) | System and method for automatically testing I/O pin of CAN bus control module | |
| CN215005583U (en) | Automobile quiescent current acquisition and measurement system | |
| CN102520346A (en) | Permanent magnetic vacuum circuit breaker online monitoring and diagnosing device | |
| CN103633936B (en) | A kind of photovoltaic header box automatic test system | |
| CN208383973U (en) | A kind of high voltage display device | |
| CN103091550B (en) | Synchronous isolation sampling direct-current power meter of wide voltage and large current | |
| CN102856137A (en) | Low-voltage intelligent double-power-source change-over switch | |
| CN208672781U (en) | A kind of battery insulation state monitoring module | |
| CN202816840U (en) | Low voltage intelligent double power source change-over switch | |
| CN103455678A (en) | Secondary virtual loop chart collaborative design method based on standardized virtual terminals | |
| CN218825293U (en) | Detection device applied to special transformer control extension module | |
| CN201830017U (en) | Intelligent switch cabinet monitor | |
| CN101630863A (en) | Intelligent phase selection control system for light-control module type intelligent vacuum switch and method thereof | |
| CN201181924Y (en) | Middle and small generator excitation integrated controller | |
| CN210720559U (en) | Intelligent station bus secondary voltage monitoring device | |
| CN113709155A (en) | Battery module daisy chain communication conversion method, system and terminal | |
| CN104730461A (en) | Series battery pack information collection and display apparatus | |
| CN209486490U (en) | A kind of intelligent circuit breaker counting device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160329 |