CN201548670U - DC power comprehensive test instrument - Google Patents
DC power comprehensive test instrument Download PDFInfo
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- CN201548670U CN201548670U CN 200920175255 CN200920175255U CN201548670U CN 201548670 U CN201548670 U CN 201548670U CN 200920175255 CN200920175255 CN 200920175255 CN 200920175255 U CN200920175255 U CN 200920175255U CN 201548670 U CN201548670 U CN 201548670U
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Abstract
The utility model relates to a DC power comprehensive test instrument which comprises an intelligent three-phase voltage regulator and a testing host. The intelligent three-phase voltage regulator is connected with the testing host by a cable. The intelligent three-phase voltage regulator comprises a three-phase voltage regulator and a voltage regulator control board comprising a microcontroller. The testing host comprises (1) a mainboard, (2) a resistance load, (3) a load control board comprising the microcontroller and (4) an input and output device, wherein the mainboard sends a command and transmits parameters to the load control board and the voltage regulator control board according to setup parameter information of the input and output device; the load control board and the voltage regulator control board transmit data to the mainboard and return control state information; the mainboard stores the data after carrying out corresponding data processing and outputs display information to the input and output device; and the load control board controls the resistance load according to the command and the parameters which are sent by the mainboard, samples voltage and current data in the controlling process and sends the voltage and current data to the mainboard. The DC power comprehensive test instrument has the advantages of perfect functions, strong anti-interference performance, high reliability, simple structure, convenient carrying and the like.
Description
Technical field
The utility model relates to a kind of direct supply comprehensive tester.
Background technology
The the 5th, 6 of DL/T 724-2000 " electric system with accumulator direct current supply device operation and maintenance technical regulation ", and the 5th, 6 of GB/T 19826-2005 " electric power engineering DC power supply Device-General technical conditions and safety requirements ", all technical indicators such as the precision of voltage regulation of continuous-current plant, precision of steady current, ripple factor, accumulator capacity and test there are clear and definite regulation.Simultaneously, national grid is given birth to [2005] No. 400 files of skill about the 13rd in " 18 great anti-accident measures of electrical network of State Grid Corporation of China ", and the 2nd precision of voltage regulation that all should satisfy continuous-current plant of State Grid Corporation of China's " power supply enterprise's safety evaluatio ", precision of steady current, ripple factor, accumulator capacity etc. have also been done specific requirement.All these rules, file have proved absolutely that China operation power administrative authority attaches great importance to safety, stable operation and the daily servicing of DC power device.
Operation power facts have proved, along with the continuous-current plant passing of working time, after particularly putting into operation 1～3 year, the technical indicator of its equipment all can be offset, typical consequence is because of the charging set index descends, and causes the precision of voltage regulation, precision of steady current and ripple factor to exceed standard and accumulator capacity decline.Simultaneously, detect the maintainer because of the scene and do not possess relevant detection equipment, can't in time find, address the above problem and go down for a long time, directly threaten the safe operation of electrical network causing whole straight-flow system to lose efficacy in advance or damaging.
Domestic mechanism that carries out the direct supply Performance Detection and manufacturer are used for the equipment that direct supply detects and are fixed equipment, as fixed pressure regulator, load box, volume is big, Heavy Weight, can't move detection, the analytical instrument instrument is conventional equipment such as voltage table, reometer, oscillograph etc., the wiring complexity is used inconvenience, is not suitable for moving use in each transformer station.
Given this, the application puts into practice in conjunction with electrical production, has researched and developed a full-automatic micro-processor based direct-current power operating characteristic of cover and a discharge comprehensive tester.
The utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, a kind of direct supply comprehensive tester is provided, solved the difficult problem that the continuous-current plant operating characteristic can't effectively detect, can realize simultaneously to the test of charging set performance parameter with to the accumulator constant-current discharge.
Technical solution of the present utility model is: the direct supply comprehensive tester that the utility model provides, comprise intelligent three-phase regulator and Test Host, the two connects by cable, one end of described cable is connected with the control output end of described Test Host, and the other end is connected with the control input end of described intelligent three-phase regulator; Wherein, described intelligent three-phase regulator comprises three-phase regulator and the pressure regulator control panel that contains microcontroller; Described Test Host comprises:
Mainboard, the parameter information that is provided with according to input-output device, send instruction and pass a parameter to load control panel and pressure regulator control panel, load control panel and pressure regulator control panel transmit data and return state of a control information to mainboard, mainboard carry out corresponding data handle after with its storage, and to input-output device output display message;
Ohmic load is used to provide the load of test usefulness;
The load control panel that contains microcontroller is controlled ohmic load according to instruction and parameter that mainboard is sent, and the electric current and voltage data in the controlling of sampling process, is sent to mainboard;
Input-output device is used for to the mainboard input parameter, and shows the output information of mainboard.
Described ohmic load is pure resistive load.
Described three-phase regulator is the three-phase electric voltage regulator.Preferably, described three-phase electric voltage regulator is that three-phase is from the lotus root electric voltage regulator.
Described three-phase regulator is the pressure regulator structure that an independent three-phase regulator constitutes, and perhaps is the pressure regulator structure of being made up of three single-phase voltage regulating devices.
Described input-output device is liquid crystal touch screen.
Microcontroller on the described pressure regulator control panel is a single-chip microcomputer; Microcontroller on the described load control panel is a single-chip microcomputer.
Further, this comprehensive tester also comprises the battery logging that is connected with described Test Host communication port, and described battery logging is mainly used in the measurement battery tension.
Again further, described battery logging is the wireless battery logging, and its wireless antenna port by Test Host is connected with described Test Host.
Again further, described battery logging is wired battery logging, and its RS485 port by Test Host is connected with described Test Host.
Further, this comprehensive tester also comprises the extension box that is connected on the described Test Host load expansion mouth, and described extension box is mainly used in the increase load current.
Principle of work of the present utility model is: when tester is started working, mainboard starts earlier, the tester is provided with parameter by input-output device, mainboard will pass to load control panel and pressure regulator control panel under the parameter, the load control panel is after receiving parameter and enabled instruction, controlling resistance deciliter, adjust suitable resistance value, after finishing, adjustment returns control success status information to mainboard, the pressure regulator control panel is adjusted pressure regulator voltage after receiving parameter and enabled instruction, and output, return control success status information to mainboard after finishing.
The utility model compared with prior art has following advantage:
(1) direct supply comprehensive tester of the present utility model comprises intelligent three-phase regulator and Test Host, wherein 1. Test Host comprises 2. 3. 4. input-output device of intelligent load control panel of ohmic load of mainboard, owing to all contain the control panel structure of microprocessor in three-phase regulator and the Test Host, institute is so that the utlity model has perfect in shape and function, strong interference immunity, reliability height, advantage such as simple in structure, easy to carry.
(2) load of the present utility model is pure resistive load, makes load current more stable, and is minimum to the test result influence.
(3) three-phase regulator of the present utility model is the three-phase electric voltage regulator, and preferred triple-phase makes that from the lotus root electric voltage regulator pressure regulator output power is big, precision is high, waveform is undistorted, voltage-regulation coefficient is good.
(4) input-output device of the present utility model adopts liquid crystal touch screen, makes man-machine interaction convenient.
(5) microcontroller on the utility model pressure regulator control panel and the load control panel all adopts single-chip microcomputer, makes device control stable, simple in structure.
(6) according to user's needs, the utility model also comprises the battery logging that is connected with the Test Host communication port, and this battery logging is mainly used in the measurement battery tension.Described battery logging can be the wireless battery logging, and its wireless antenna port by Test Host is connected with described Test Host; Also can be wired battery logging, its RS485 port by Test Host is connected with described Test Host.This has further optimized function, structure and the performance of comprehensive tester.
(7) according to user's needs, the utility model also comprises the extension box that is connected on the Test Host load expansion mouth, and this extension box is mainly used in the increase load current, has further expanded the structure and the performance of comprehensive tester.
Description of drawings
Fig. 1 is a system of the present utility model composition diagram.
Fig. 2 is that system of the present utility model forms schematic diagram.
Fig. 3 is the panel layout of the utility model comprehensive tester.
Fig. 4 is the panel layout of the utility model intelligence three-phase regulator.
Fig. 5 is the utility model intelligence three-phase regulator fundamental diagram.
Embodiment
Below with reference to accompanying drawing embodiment of the present utility model is described.
As shown in Figure 1, 2, 3, the direct supply comprehensive tester comprises intelligent three-phase regulator and Test Host, the two connects by cable, one end of described cable is connected with the control output end of described Test Host (being the pressure regulator control port 11 among Fig. 3), and the other end is connected with the control input end (being the control input end mouth among Fig. 4) of described intelligent three-phase regulator.This comprehensive tester can be finished simultaneously to the test of charging set performance parameter with to the constant-current discharge of accumulator.Test Host passes to computing machine by output interface (RS232 interface 10 or usb 1 3) with test data.
Wherein, described intelligent three-phase regulator comprises three-phase regulator and the pressure regulator control panel (that is: intelligent voltage regulator plate) that contains microcontroller; Described three-phase regulator is the three-phase electric voltage regulator, preferably, adopts three-phase from the lotus root electric voltage regulator.Microcontroller on the described pressure regulator control panel adopts singlechip chip, and model is STC89C516RD+.
The structure of three-phase regulator can be an independent three-phase regulator, also can be made up of three single-phase voltage regulating devices.
Described Test Host comprises: 1. 2. 3. 4. input-output device of intelligent load control panel of ohmic load of mainboard.
Wherein, mainboard is the core of entire equipment, all is the both-way communication relation between it and input-output device, intelligent voltage regulator plate and the load control panel.RS232 interface, RS485 interface, USB interface etc. are arranged on the mainboard.According to what input-output device was sent here parameter information is set, mainboard sends instruction and passes a parameter to load control panel and pressure regulator control panel, load control panel and pressure regulator control panel transmit data and return state of a control information to mainboard, mainboard carry out corresponding data handle after with its storage, and to input-output device output display message.
Ohmic load is used to provide the load of test usefulness; Described ohmic load adopts pure resistive load, because pure resistive load is minimum to the test result influence, other load meetings influence test result.
The load control panel that contains microcontroller, microcontroller adopts singlechip chip, and model is MSC1210Y5, and it and mainboard carry out data communication in the RS485 mode.According to instruction and parameter that mainboard is sent ohmic load is controlled, and the electric current and voltage data in the controlling of sampling process (DC voltage, electric current), be sent to mainboard.
Input-output device adopts liquid crystal touch screen, is used for to the mainboard input parameter, and shows the output information of mainboard.
When tester was started working, mainboard started earlier, and the tester is provided with parameter by input-output device, and mainboard will pass to load control panel and pressure regulator control panel under the parameter.The load control panel is after receiving parameter and enabled instruction, and controlling resistance deciliter is adjusted suitable resistance value, adjusts to finish the back and return the success status information of controlling to mainboard.As shown in Figure 3, the pressure regulator control panel is adjusted pressure regulator voltage after receiving parameter and enabled instruction, automatically sampled voltage and current waveform calculate voltage effective value, current effective value, active power, power factor, and they are outputed to the mainboard of Test Host, return control success status information to mainboard after finishing; The pressure regulator control panel is also realized voltage adjustment output automatically according to the requirement of Test Host communication data.
According to user's needs, this comprehensive tester also comprises the battery logging that is connected with described Test Host communication port.During battery discharging, described battery logging is mainly used in measures every cell voltage, if there is cell voltage to drop to final voltage, Test Host can stop discharge automatically.
The battery logging has two kinds, and a kind of is the wireless battery logging, and it is connected with described Test Host by the wireless antenna port on the Test Host panel; Another kind is wired battery logging, and it is connected with described Test Host by the RS485 port on the Test Host panel.
According to user's needs, this comprehensive tester also comprises the extension box that is connected on the described Test Host load expansion mouth, if discharge current surpasses 30A, described extension box is mainly used in the increase load current.
Fig. 4 is the panel layout of intelligent three-phase regulator, and 1. described intelligent three-phase regulator comprises that three-phase is electronic from 2. intelligent voltage regulator plate of lotus root pressure regulator.The principle of work of intelligence three-phase regulator as shown in Figure 5, the intelligent voltage regulator plate is after the instruction and parameter of receiving the mainboard transmission, electronic by controlled quentity controlled variable output control three-phase from lotus root pressure regulator buck, the alternating voltage electric current of pressure regulator output is detected in the analog quantity importation of intelligent voltage regulator plate, when pressure regulator is adjusted to suitable voltage, the output of control pressure regulator is returned pressure regulation success status information to mainboard simultaneously.
Voltage stabilizing cut-off current characteristics test philosophy of the present utility model is: tested direct supply is operated in the voltage stabilizing state, mainboard will reach load control panel and intelligent pressure regulating plate under the test parameter, it is 380V that the three-phase intelligent pressure regulator is adjusted output voltage automatically, the load control panel begins loading step by step, enter the voltage stabilizing limited current state up to direct supply, adjust the voltage and current waveform of drawing DC voltage in the loading process, can intuitively react the voltage stabilizing cut-off current characteristics of tested direct supply by oscillogram.
Current stabilization pressure limiting characteristic test principle of the present utility model is: tested direct supply is operated in dc state, mainboard will reach load control panel and intelligent pressure regulating plate under the test parameter, it is 380V that the three-phase intelligent pressure regulator is adjusted output voltage automatically, the load control panel at first drops into enough loads, Reduction of Students' Study Load is carried step by step then, enter current stabilization pressure limiting state up to direct supply, adjust the voltage and current waveform of drawing DC voltage in the loading process, can intuitively react the current stabilization pressure limiting characteristic of tested direct supply by oscillogram.
Battery power discharge test of the present utility model is as follows: mainboard passes discharge parameter down to the load control panel, the load control panel is the parameter adjustment pull-up resistor thus, reach this value of setting up to battery discharge current, and return control information to mainboard, if information such as mainboard opening entry cell voltage, electric current, capacity are external
The content that is not described in detail in the utility model instructions belongs to this area professional and technical personnel's known technology.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; every foundation technical spirit of the present utility model all still belongs to the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
The figure number explanation:
The 1-liquid crystal touch screen; 2-wireless antenna interface;
The 3-dc circuit breaker; 4-U+, U-direct current lead-in clamp;
5-U+, U-dc voltage measurement instrument connection; The 6-handle;
7-load expansion binding post; The 8-supply socket;
The 9-power switch; The 10-RS232 interface;
11-pressure regulator control interface; 12-load expansion interface;
The 13-USB interface; The 14-RS485 interface.
Claims (10)
1. direct supply comprehensive tester, it is characterized in that: comprise intelligent three-phase regulator and Test Host, the two connects by cable, and an end of described cable is connected with the control output end of described Test Host, and the other end is connected with the control input end of described intelligent three-phase regulator; Wherein, described intelligent three-phase regulator comprises three-phase regulator and the pressure regulator control panel that contains microcontroller; Described Test Host comprises
Mainboard, the parameter information that is provided with according to input-output device, send instruction and pass a parameter to load control panel and pressure regulator control panel, load control panel and pressure regulator control panel transmit data and return state of a control information to mainboard, mainboard carry out corresponding data handle after with its storage, and to input-output device output display message;
Ohmic load is used to provide the load of test usefulness;
The load control panel that contains microcontroller is controlled ohmic load according to instruction and parameter that mainboard is sent, and the electric current and voltage data in the controlling of sampling process, is sent to mainboard;
Input-output device is used for to the mainboard input parameter, and shows the output information of mainboard.
2. direct supply comprehensive tester according to claim 1 is characterized in that: described ohmic load is pure resistive load.
3. direct supply comprehensive tester according to claim 2 is characterized in that: described three-phase regulator is the three-phase electric voltage regulator.
4. direct supply comprehensive tester according to claim 3 is characterized in that: described three-phase electric voltage regulator is that three-phase is from the lotus root electric voltage regulator.
5. according to claim 3 or 4 described direct supply comprehensive testers, it is characterized in that: described three-phase regulator is the pressure regulator structure that an independent three-phase regulator constitutes, and perhaps is the pressure regulator structure of being made up of three single-phase voltage regulating devices.
6. according to claim 3 or 4 described direct supply comprehensive testers, it is characterized in that: described input-output device is liquid crystal touch screen.
7. according to claim 3 or 4 described direct supply comprehensive testers, it is characterized in that: the microcontroller on the described pressure regulator control panel is a single-chip microcomputer; Microcontroller on the described load control panel is a single-chip microcomputer.
8. according to claim 3 or 4 described direct supply comprehensive testers, it is characterized in that: this comprehensive tester also comprises the battery logging that is connected with described Test Host communication port, and described battery logging is mainly used in the measurement battery tension.
9. direct supply comprehensive tester according to claim 8 is characterized in that: described battery logging is the wireless battery logging, and its wireless antenna port by Test Host is connected with described Test Host; Perhaps
Described battery logging is wired battery logging, and its RS485 port by Test Host is connected with described Test Host.
10. according to claim 3 or 4 described direct supply comprehensive testers, it is characterized in that: this comprehensive tester also comprises the extension box that is connected on the described Test Host load expansion mouth, and described extension box is mainly used in the increase load current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920175255 CN201548670U (en) | 2009-09-02 | 2009-09-02 | DC power comprehensive test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920175255 CN201548670U (en) | 2009-09-02 | 2009-09-02 | DC power comprehensive test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548670U true CN201548670U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920175255 Expired - Fee Related CN201548670U (en) | 2009-09-02 | 2009-09-02 | DC power comprehensive test instrument |
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| Country | Link |
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| CN (1) | CN201548670U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175962A (en) * | 2011-01-30 | 2011-09-07 | 深圳创维数字技术股份有限公司 | Testing method and testing device |
| WO2012000378A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Method and apparatus for generating test circuit and power source testing system |
| CN103149409A (en) * | 2013-01-31 | 2013-06-12 | 云南电力试验研究院（集团）有限公司电力研究院 | High-precision electrical signal measurement device and method |
| CN103197261A (en) * | 2013-03-25 | 2013-07-10 | 天宇通讯科技(昆山)有限公司 | Automatic monitoring type electronic load current aging device |
| CN103983921A (en) * | 2013-12-27 | 2014-08-13 | 天津三星电子有限公司 | Power strip detection method and device |
| CN104793090A (en) * | 2015-05-11 | 2015-07-22 | 上海凌世电子有限公司 | Separate voltage drop simulator |
| CN105403841A (en) * | 2015-10-30 | 2016-03-16 | 国网河南省电力公司平顶山供电公司 | Electric power storage battery DC test system and test method |
| CN106950511A (en) * | 2017-03-31 | 2017-07-14 | 国家电网公司 | A kind of DC power system standardized test interface arrangement |
| CN109031158A (en) * | 2018-08-15 | 2018-12-18 | 大族激光科技产业集团股份有限公司 | The test macro and method of laser power supply |
| CN110441711A (en) * | 2019-09-19 | 2019-11-12 | 扬州万泰电子科技有限公司 | A kind of WEDM control system processing power source test device |
| CN117741316A (en) * | 2023-12-28 | 2024-03-22 | 岱新（上海）电子科技有限公司 | Vehicle-mounted charger test system |
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2009
- 2009-09-02 CN CN 200920175255 patent/CN201548670U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000378A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Method and apparatus for generating test circuit and power source testing system |
| CN102175962A (en) * | 2011-01-30 | 2011-09-07 | 深圳创维数字技术股份有限公司 | Testing method and testing device |
| CN102175962B (en) * | 2011-01-30 | 2013-03-13 | 深圳创维数字技术股份有限公司 | Testing method and testing device |
| CN103149409B (en) * | 2013-01-31 | 2015-06-03 | 云南电力试验研究院（集团）有限公司电力研究院 | High-precision electrical signal measurement device and method |
| CN103149409A (en) * | 2013-01-31 | 2013-06-12 | 云南电力试验研究院（集团）有限公司电力研究院 | High-precision electrical signal measurement device and method |
| CN103197261A (en) * | 2013-03-25 | 2013-07-10 | 天宇通讯科技(昆山)有限公司 | Automatic monitoring type electronic load current aging device |
| CN103983921A (en) * | 2013-12-27 | 2014-08-13 | 天津三星电子有限公司 | Power strip detection method and device |
| CN104793090A (en) * | 2015-05-11 | 2015-07-22 | 上海凌世电子有限公司 | Separate voltage drop simulator |
| CN105403841A (en) * | 2015-10-30 | 2016-03-16 | 国网河南省电力公司平顶山供电公司 | Electric power storage battery DC test system and test method |
| CN106950511A (en) * | 2017-03-31 | 2017-07-14 | 国家电网公司 | A kind of DC power system standardized test interface arrangement |
| CN109031158A (en) * | 2018-08-15 | 2018-12-18 | 大族激光科技产业集团股份有限公司 | The test macro and method of laser power supply |
| CN109031158B (en) * | 2018-08-15 | 2021-04-27 | 大族激光科技产业集团股份有限公司 | System and method for testing laser power supply |
| CN110441711A (en) * | 2019-09-19 | 2019-11-12 | 扬州万泰电子科技有限公司 | A kind of WEDM control system processing power source test device |
| CN110441711B (en) * | 2019-09-19 | 2024-03-08 | 扬州万泰电子科技有限公司 | Power supply testing device of wire cutting control system |
| CN117741316A (en) * | 2023-12-28 | 2024-03-22 | 岱新（上海）电子科技有限公司 | Vehicle-mounted charger test system |
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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: 20100811 Termination date: 20170902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |