CN202886555U - All-digital double-station moulded case circuit breaker quality detection device - Google Patents
All-digital double-station moulded case circuit breaker quality detection device Download PDFInfo
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- CN202886555U CN202886555U CN 201120507977 CN201120507977U CN202886555U CN 202886555 U CN202886555 U CN 202886555U CN 201120507977 CN201120507977 CN 201120507977 CN 201120507977 U CN201120507977 U CN 201120507977U CN 202886555 U CN202886555 U CN 202886555U
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Abstract
The utility model discloses an all-digital double-station moulded case circuit breaker quality detection device, which belongs to the low-voltage moulded case circuit breaker detection field. A double-microprocessor structure is adopted in the hardware aspect. A first CPU is connected with a power output circuit which is further connected with two electric pressure regulators and two boost transformers. Each boost transformer is corresponding to one breaker to be tested. In this way, the detection device can achieve independent tests on two moulded case circuit breakers at the same time. A second CPU is connected with an LCD display, a button and an RS485 communication circuit. Furthermore, the device has the advantages of friendly man-machine interface, simple operation, convenient tests, and low cost.
Description
Technical field
The utility model belongs to the low-pressure plastic shell circuit breaker detection field, relates in particular to enterprise's large-scale production of isolating switch.
Background technology
As power supply control and the protection switch of the equipment such as distribution line, motor, lighting circuit and electric heater, the quality of moulded case circuit breaker is directly connected to power grid security, device security and personal safety.Isolating switch is the visual plant in the low-voltage electrical apparatus, is used for low-voltage distribution loop, motor or other consumer, is responsible for the electric current under connection, carrying and disjunction normal condition or the non-normal condition (such as short circuit).Along with the development of China's electric utility, the breaker of plastic casing quantity required is constantly increased, its performance, quality are proposed new demand, also increasing on the impact of its reliability.Reliability requirement to isolating switch improves constantly.Existing isolating switch checkout equipment, detect current precision and be subject to human factor and voltage ripple of power network impact, and, existing automatic detection system generally adopts the framework of uniprocessor, processor will sample and calculation process in also to show, the processing of other tasks such as communication, inquiry, be difficult to guarantee simultaneously the precision of current sample and the real-time that electric current is regulated, thereby, can not satisfy the production testing needs of modern isolating switch.
Summary of the invention
The purpose of the utility model embodiment is to provide a kind of two CPU quality detection devices that can independently detect two breaker of plastic casing simultaneously, and the aspects such as detection efficiency and reliability are improved greatly.
Described device comprises:
Based on dual-CPU architecture, simultaneously two test product isolating switchs are independently detected, wherein CPU1 links to each other with power output circuit, power output circuit links to each other with two rising current transformers with two electric voltage regulator, the corresponding test product isolating switch of each rising current transformer, realize simultaneously two breaker of plastic casing independently being tested, CPU1 is used for the tasks such as current sample, electric current adjusting, real time data calculating, operation of recording time; CPU2 links to each other with LCD demonstration, button and RS485 communicating circuit, carry out the product real-time data record, and by the RS485 industrial bus, to test the test product data back to host computer, carry out fail-safe analysis, and guide quality control, CPU2 is used for showing data, with upper machine communication, query and search historical data, parameter such as arrange at the issued transaction task;
The man-machine interface circuit is used for to user report running status and result, and can carry out data setting and satisfy the demand of system's practical function;
Power output circuit adopts integrate motor driving circuit L298 to drive electric voltage regulator and regulates the input voltage of current lifting device and then to reach the purpose of regulating electric current, by current transformer on-the-spot electric current Real-time Feedback is returned to control L298 to regulate electric current;
Communication part adopts the RS485 bus, is used for contacting of implement device and computing machine.
Another purpose of the utility model embodiment is to provide a kind of pick-up unit software.
Described device comprises:
System's input parameter processing module, but be used for input parameter is treated to the CPU identification parameter;
The sampling computing module is used for carrying out sampled-data processing, and sampled data is normalized to the form that system needs;
Process control module is used for carrying out carrying out the control of experiment process according to setting and field condition, such as functions such as the beginning of testing, end, Auto-countings;
Current regulating module is used for carrying out electric current according to on-the-spot current feedback and regulates;
In addition, also comprise time logging modle, test figure memory module, data exchange module, man-machine interface processing module, communication module etc.
Another purpose of the utility model embodiment also is to provide a kind of experimentation is monitored and the host computer monitoring software of recording detection data, can realize easily historical data is inquired about, retrieved and the function of the management such as printing.
Described device comprises:
The pick-up unit polling module, monitoring 24 bench teats that can timesharing are tested pick-up unit;
Data management module can generating report forms, carries out storage, ordering and the query function of database;
Print module can printing reports, the handled easily personal management.
Among the utility model embodiment, present situation for present isolating switch checkout equipment, required electric current is large according to detecting, the requirement that the high in time interocclusal record of precision accurately waits, adopt the framework of dual micro processor at hardware aspect, design high-precision digital AC constant-current source, the electric current degree of regulation can reach 1%, in addition, every pick-up unit can independently detect two isolating switchs simultaneously, has greatly improved detection efficiency and reliability, and can carry out the product real-time data record, and by the RS485 industrial bus, can carry out fail-safe analysis with test test product data back to host computer, and guide quality control.Device has friendly man-machine interface, and is simple to operate, and test is convenient, and is with low cost.
Description of drawings
Fig. 1 is the double breaker of plastic casing quality detection device system construction drawing that the utility model embodiment provides;
Fig. 2 is the pick-up unit software implemented process flow diagram that the utility model embodiment provides;
Fig. 3 is the upper computer software surface chart that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Among the utility model embodiment, be mainly used in breaker of plastic casing is carried out quality testing based on the totally digitilized quality detection device of two CPU, by device field data passed back host computer for fail-safe analysis work, analyzed by host computer.
Fig. 1 shows digital double breaker of plastic casing quality detection device system architecture, and Fig. 2 is the pick-up unit software implemented process flow diagram that the utility model embodiment provides; During experiment, at first set test product measuring current and corresponding judgement qualified time upper limit t2 and time lower limit t1 according to the isolating switch model, whether system can automatic decision has test product on the anchor clamps, if test product is arranged, then system regulates the current lifting device output current at first automatically, it is satisfied set requirement, then begin timing, on-test.In whole process of the test, system regulates electric current in real time automatically, guarantees that current deviation is in allowed band.System log (SYSLOG) t actuation time after test product action, if t＜t1, then be judged to be defective, if t1≤t≤t2, it is qualified then to be judged to be, if t＞t2 then also is judged to be defective, the record test figure deposits internal memory (can not lose after the power down) in and returns host computer, off-test.After new test product is placed into anchor clamps, or system can enter next process of the test automatically behind the breaker closing.
System mainly contains following functions:
1) user can pass through Testing Equipment Man-Machine Interface, sets easily test parameters.Display is made of the large scale backlight LCD, and data show clear.
2) can independently test two breaker of plastic casing simultaneously, two test stations are independent of each other, and parameter also can independently be set.
3) testing equipment is finished whole process of the test automatically, set after the parameter test product put into anchor clamps after system automatically begin test, and automatically record test figure.In the process of the test, the adjusting test electric current makes it satisfy the system deviation requirement automatically.
4) the automatic log of system, the nearly 3200 groups of data of storage of can rolling, every group of data all comprise relevant temporal information, and can not lose after these data power down, for the testing crew inquiry and analysis.
5) in case test is finished, test figure passes back to host computer in real time when depositing internal memory in, carry out fail-safe analysis or quality control management by host computer.
Fig. 3 is the upper computer software surface chart that the utility model embodiment provides, and during test, the timesharing of pick-up unit polling module detects 24 bench teat experiment devices, and software interface can demonstrate the state of 1-24 machine; Input zero-time and termination time or " by the model inquiry " input model can realize data query in " by date inquiry ".
As from the foregoing, in the utility model embodiment, framework at hardware aspect employing dual micro processor designs high-precision digital AC constant-current source, and the electric current degree of regulation can reach 1%, and every pick-up unit can independently detect two isolating switchs simultaneously, greatly improve detection efficiency and reliability, and can carry out the product real-time data record, will test the test product data back to host computer, carry out fail-safe analysis, and guide quality control.Pick-up unit has friendly man-machine interface, and is simple to operate, and test is convenient, and is with low cost.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. digital double breaker of plastic casing quality detection device, adopt based on dual-CPU architecture, simultaneously two test product isolating switchs are independently detected, it is characterized in that: CPU1 links to each other with power output circuit, power output circuit links to each other with two rising current transformers with two electric voltage regulator, the corresponding test product isolating switch of each rising current transformer is realized simultaneously two breaker of plastic casing independently being tested; CPU2 links to each other with LCD demonstration, button and RS485 communicating circuit, carries out the product real-time data record, and by the RS485 industrial bus, will test the test product data back to host computer, carries out fail-safe analysis, and guides quality control.
2. digital double breaker of plastic casing quality detection device according to claim 1, it is characterized in that: adopt integrate motor driving circuit L298 to drive electric voltage regulator and regulate the input voltage of current lifting device and then regulate electric current, by current transformer on-the-spot electric current Real-time Feedback is returned to control L298 to regulate electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120507977 CN202886555U (en) | 2011-12-08 | 2011-12-08 | All-digital double-station moulded case circuit breaker quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120507977 CN202886555U (en) | 2011-12-08 | 2011-12-08 | All-digital double-station moulded case circuit breaker quality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886555U true CN202886555U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120507977 Expired - Fee Related CN202886555U (en) | 2011-12-08 | 2011-12-08 | All-digital double-station moulded case circuit breaker quality detection device |
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| CN (1) | CN202886555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605071A (en) * | 2013-11-29 | 2014-02-26 | 广东佛电电器有限公司 | Handheld device applied to communication type intelligent load-limiting breaker |
-
2011
- 2011-12-08 CN CN 201120507977 patent/CN202886555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605071A (en) * | 2013-11-29 | 2014-02-26 | 广东佛电电器有限公司 | Handheld device applied to communication type intelligent load-limiting breaker |
| CN103605071B (en) * | 2013-11-29 | 2016-04-20 | 广东佛电电器有限公司 | A kind of handset for communication type intelligence limit for tonnage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131208 |