CN2589994Y - Portable voltage detecting instrument - Google Patents
Portable voltage detecting instrument Download PDFInfo
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- CN2589994Y CN2589994Y CN 02258797 CN02258797U CN2589994Y CN 2589994 Y CN2589994 Y CN 2589994Y CN 02258797 CN02258797 CN 02258797 CN 02258797 U CN02258797 U CN 02258797U CN 2589994 Y CN2589994 Y CN 2589994Y
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Abstract
The utility model relates to a portable voltage detecting instrument, particularly an electronic instrument suitable for accumulator manufacture, check and maintenance and other DC voltage measurements. The portable voltage detecting instrument is provided with a casing of which the front part is provided with a display and an operation panel and the interior is provided with an electronic circuit board of a voltage inspection detecting instrument, an electronic circuit of the voltage inspection detecting instrument and an electronic component of the voltage inspection detecting instrument. The utility model is characterized in that the electronic circuit of the voltage inspection detecting instrument comprises a microprocessor part, an analogue-to-digital converter, a voltage detecting unit and a power supply, wherein the microprocessor part is composed of a microprocessor, a display, an operation key, a clock circuit, a memory and a communication circuit, wherein the display is connected with the microprocessor through a parallel bus; the operation key, the clock circuit and the memory are connected with the microprocessor through a universal serial bus; the analogue-to-digital converter is connected with the microprocessor through a photoelectric coupling circuit; the voltage detecting unit is directly connected with the analogue-to-digital converter; the electronic switch of the voltage detecting unit is used for range switch.
Description
Technical field
What the portable voltage polling tester of the utility model related to is a kind of electronic instrument that is applicable to accumulator manufacturing, check and maintenance and other dc voltage measurement.
Background technology
In the process of accumulator manufacturing, check and maintenance, voltage is the parameter that must survey, and need carry out a large amount of measurements.At present to battery tension except that adopting this product measures, can adopt four and half digital multimeter to measure, this metering system also is to use the most general a kind of, common two people cooperate, a people measures people's record.Adopt this mode to measure, because artificial factor, the accuracy of measurement result will give a discount, and measurement result just is recorded on the paper, can only carry out simple analysis,, will additionally increase the input of manpower as measurement result further being analyzed with computing machine.Even use the digital multimeter of band memory function, also exist and can't realize automatic storage, measurement parameter input difficulty can't be to measured result problem such as divide into groups.
Detection can also be adopted online voltage polling method to battery tension.The method adopts the Centralized Monitoring mode, and checkout equipment all has lead to be connected with every accumulator, and multiple devices link to each other with computing machine by communication bus, by computer integrated monitoring.In accumulator production process, the production environment that water and acid mist fill, electric battery need the requirement constantly changed, have obviously that wiring is too many, operation inconvenience, the easy burn into of line needs problems such as often maintenance.
Summary of the invention
The utility model provides a kind of portable voltage polling tester at above-mentioned weak point, but this portable voltage polling tester combines dirigibility, the convenience of operation and the data real-time automatic recording of online voltage polling that digital multimeter is measured, can utilize computing machine to carry out analysis, the processing of data easily.Increase some and helped the input function of the measurement parameter and the running parameter of production quality control, enterprise production management.Make the utility model meet the actual requirement of accumulator production, maintenance more; Simultaneously, very big help is provided for the production management and the production quality control of enterprise.
Portable voltage polling tester takes following scheme to realize: portable voltage polling tester structure has shell, there are display, guidance panel in the shell front portion, there is communication interface the shell side, external power supply socket, there is external receiver J-Horner the shell bottom surface, and voltage polling tester electronic circuit board, electronic circuit and electronic devices and components are housed in the shell.
Voltage polling is surveyed the instrument electronic circuit and is comprised microprocessor portion, A/D converter (simulating signal and digital signal converter), voltage detection unit, power supply.Microprocessor portion is made up of microprocessor, display, operation push-button, clock circuit, storer, communicating circuit.Display links to each other with microprocessor by parallel bus, and operation push-button, clock circuit, storer link to each other with microprocessor by universal serial bus.A/D converter links to each other with microprocessor by the photoelectricity coupled circuit, and voltage detection unit directly links to each other with A/D converter.
A/D converter comprises mould/number conversion integrated package, parallel line and string line change-over circuit.Parallel line is connected with A/D converter by parallel line with the string line change-over circuit, is connected with photoelectrical coupler by string line, links to each other with microprocessor through photoelectrical coupler.
Voltage detection unit comprises electronic switch, instrumentation amplifier, protection triode, resistance, electric capacity.Instrumentation amplifier input termination electronic switch, instrumentation amplifier output termination A/D converter input end is measured interface and electronic switch and is joined, and electronic switch is made range and is switched usefulness, and the input port of measuring interface links to each other with external prod or test probe.
Principle of work: data processing and measure-controlling unit are with microprocessor (for example: the INTER8052 single-chip microcomputer) be core, control display module, key-press module, clock module, memory module respectively, communication interface and data acquisition unit.At first, microprocessor reads in the measurement result that voltage acquisition unit collects, and its validity is judged (absolute value is considered to invalid data less than the measurement result of certain numerical value) according to the size of voltage, to divide into groups, number, deposit in internal memory to its valid data automatically, carry out overvoltage, under-voltage judgement simultaneously, the result who judges is shown improper situation will have sound prompting, will not do above processing to invalid data.Display module is finished the input demonstration of measurement result demonstration, information demonstration, measurement parameter and running parameter and the demonstration of system management messages (as: menu, clock etc.).Key-press module is finished the input of system directive and various parameters.Clock module and memory module realize packet, memory function.Measurement data can be uploaded computing machine by communication interface, utilizes computing machine that data are further analyzed, handled.
Portable voltage polling tester has following characteristics:
1, embedded micro-processor is realized complete intelligent the detection, and is stable, reliable.
2, measuring accuracy is better than 0.3%, satisfies test request fully.
3, measure flexible, convenient, fast (similar to digimer) effectively automatic recognition function of measurement result, measurement can be carried out at any time, and record is easy to carry at any time.
4, the automatic record of measurement result carries mass storage, can store 8000 measuring battery data, the effective measurement result of real time record.
5, can satisfy the measurement requirement of dissimilar accumulators, measure range and regulate automatically.
6, have the Realtime Alerts function, can in time remind the operator that overtension or low excessively battery are handled.
But the working method of 7 flexible adaptation different manufacturers (different battery pack, measurement order etc.).
8, repetition parameter setting or raw data are revised needs to guarantee its validity by password authentification.
9, make things convenient for quality control and business administration, measurement parameter (as: discharging and recharging battery) and running parameter (as: operator's job number) input, to the automatic function such as grouping of measurement result, can business administration and quality control very big help is provided.
10, host computer WINDOWS Chinese data management software can be stored, file, inquire about, print and analyze data.
11, utilize computing machine to carry out analysis, the processing of data easily, reserve communication port, be connected with computing machine at any time.
12, the wide temperate zone of jumbotron liquid crystal display backlight, resolution reaches 320 * 240, and beautiful interface is easy to read.
13, adopt touch-key, have better dustproof, moistureproof, shockproof, acid-proof performance, be applicable to accumulator production environment.
14, compact appearance (similar to the handheld digital multimeter), metering system meets use habit.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is portable voltage polling tester front view.
Fig. 2 is portable voltage polling tester right view.
Fig. 3 is portable voltage polling tester electronic circuit theory diagram.
Fig. 4 is portable voltage polling tester microprocessor portion electronic circuit schematic diagram.
Fig. 5 is portable voltage polling tester A/D converter electronic circuit schematic diagram.
Fig. 6 is portable voltage polling tester voltage detection unit electronic circuit schematic diagram.
Embodiment
With reference to accompanying drawing 1～6, portable voltage polling tester structure has shell 3, there are display 1, guidance panel 5 in shell 3 front portions, and there is communication interface 8 the shell side, external power supply socket 9, there is external receiver J-Horner 7 the shell bottom surface, display adopts LCD, and function key 2 is arranged at the display bottom, and operating key 4 is arranged at guidance panel top, the socket 6 of detection is arranged at the bottom, and voltage polling tester electronic circuit board, electronic circuit and electronic devices and components are housed in the shell 3.
Voltage polling tester electronic circuit comprises microprocessor portion, A/D converter (simulating signal and digital signal converter), voltage detection unit, power supply.
Microprocessor portion is made up of microprocessor, display, operation push-button, clock circuit, storer, communicating circuit.Display links to each other with microprocessor by parallel bus, and operation push-button, clock circuit, storer link to each other with microprocessor by universal serial bus.A/D converter links to each other with microprocessor by the photoelectricity coupled circuit, and voltage detection unit directly links to each other with A/D converter.
Display is made up of LCD, display control circuit etc.Display control circuit comprises demonstration control integrated package 6D1, shows storage integrated package 6D2, display port 6 * S1.Show that the integrated electric piece 6D1 of control can adopt integrated package SED1335 etc., show that the storage integrated package can adopt integrated package 62256 etc.
Microprocessor 7D1 can adopt W78E58 or INTER8052 single-chip microcomputer.
Operating key 7SB1～7SB5 links to each other with microprocessor by operating key testing circuit 7D5, and operating key testing circuit 7D5 adopts the 74HC165 integrated package.
Clock circuit directly links to each other with microprocessor, and clock circuit adopts X1203 integrated package etc.
Storer directly links to each other with microprocessor, and storer can adopt AT24C256 integrated package etc.
Communicating circuit is made up of external connection communication interface 7 * S2, level shifting circuit 7D4, and communication level shifting circuit 7D4 directly links to each other with microprocessor, adopts the RS232 communication modes to link to each other.The communication level shifting circuit adopts MAX232 integrated package etc.
A/D converter comprises mould/number conversion integrated package 5D1, parallel line and string line change-over circuit 5D2,5D3.Parallel line is connected with A/D converter by parallel line with the string line change-over circuit, is connected with photoelectrical coupler by string line, links to each other with microprocessor through photoelectrical coupler.
Mould/number conversion integrated package 5D1 adopts TC7109 etc.
Parallel line and string line change-over circuit 5D2,5D3 adopt 74HC165 integrated package etc.
Photoelectrical coupler adopts 6N137 photoelectricity integrated package, can adopt some integrated combining.
Voltage detection unit comprises electronic switch 3N1, instrumentation amplifier 3AJ1, protection triode 3V1,3V2, resistance 3R1～3R4, electric capacity 3C1～3C5.
Instrumentation amplifier input termination electronic switch 3N1, instrumentation amplifier output termination A/D converter input end, measure interface SENSE/H, SENSE/L and electronic switch and join, electronic switch is made range and is switched usefulness, and the input port of measuring interface links to each other with external prod or test probe.Electronic switch 3N1 adopts method 4HL4053 integrated package, and instrumentation amplifier 3AJ1 adopts AD620 etc.
Power supply service voltage detector electronic circuit power supply can adopt accumulator, also can external power supply.
Claims (6)
1, a kind of portable voltage polling tester, has shell, there are display, guidance panel in the shell front portion, voltage polling tester electronic circuit board, electronic circuit and electronic devices and components are housed in the shell, it is characterized in that voltage polling tester electronic circuit comprises microprocessor portion, A/D converter, voltage detection unit, power supply; Microprocessor portion is made up of microprocessor, display, operation push-button, clock circuit, storer, communicating circuit; Display links to each other with microprocessor by parallel bus, and operation push-button, clock circuit, storer link to each other with microprocessor by universal serial bus; A/D converter links to each other with microprocessor by the photoelectricity coupled circuit, and voltage detection unit directly links to each other with A/D converter;
A/D converter comprises mould/number conversion integrated package, parallel line and string line change-over circuit, parallel line is connected with A/D converter by parallel line with the string line change-over circuit, be connected with photoelectrical coupler by string line, link to each other with microprocessor through photoelectrical coupler;
Voltage detection unit comprises electronic switch, instrumentation amplifier, protection triode, resistance, electric capacity; instrumentation amplifier input termination electronic switch; instrumentation amplifier output termination A/D converter input end is measured interface and electronic switch and is joined, and electronic switch is made range and switched usefulness.
2, portable voltage polling tester according to claim 1 is characterized in that display is made up of LCD, display control circuit, and display control circuit comprises and shows the control integrated package, shows storage integrated package, display port.
3, portable voltage polling tester according to claim 1 is characterized in that communicating circuit is directly linked to each other with microprocessor by external connection, communication interface, level shifting circuit, communication level shifting circuit.
4, portable voltage polling tester according to claim 1 is characterized in that there are communication interface, external power supply socket in detector shell side, and outer casing bottom has receiver J-Horner.
5, portable voltage polling tester according to claim 1 is characterized in that operating key is arranged at detector guidance panel top, and the detection socket is arranged at the bottom.
6, portable voltage polling tester according to claim 1 is characterized in that display adopts LCD, and function key is arranged at the display bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258797 CN2589994Y (en) | 2002-12-13 | 2002-12-13 | Portable voltage detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02258797 CN2589994Y (en) | 2002-12-13 | 2002-12-13 | Portable voltage detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2589994Y true CN2589994Y (en) | 2003-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02258797 Expired - Fee Related CN2589994Y (en) | 2002-12-13 | 2002-12-13 | Portable voltage detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2589994Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100423432C (en) * | 2005-03-10 | 2008-10-01 | 康舒科技股份有限公司 | Power supply device cable of producing state information |
| CN101988960B (en) * | 2009-08-07 | 2013-03-06 | 铨盛电子股份有限公司 | Digital electric meter capable of dynamically compensating and correcting reading |
| CN101498744B (en) * | 2007-08-14 | 2014-06-11 | 福鲁克公司 | Rotary switch memory for digital multimeter |
| CN103945178A (en) * | 2014-03-17 | 2014-07-23 | 上海幸和电子科技有限公司 | Wireless intelligent video detector |
| CN105261194A (en) * | 2015-11-23 | 2016-01-20 | 国网重庆市电力公司电力科学研究院 | Measurer with storage function |
| CN105261195A (en) * | 2015-11-23 | 2016-01-20 | 国网重庆市电力公司电力科学研究院 | Measuring instrument capable of achieving remote guide site operation |
| CN109030927A (en) * | 2018-06-28 | 2018-12-18 | 常州机电职业技术学院 | A kind of plurality of voltages routing inspection circuit |
| CN109459697A (en) * | 2018-09-18 | 2019-03-12 | 安恒环境科技（北京）股份有限公司 | For measuring the device of electric current |
| CN112230041A (en) * | 2020-10-19 | 2021-01-15 | 广东海洋大学 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
-
2002
- 2002-12-13 CN CN 02258797 patent/CN2589994Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100423432C (en) * | 2005-03-10 | 2008-10-01 | 康舒科技股份有限公司 | Power supply device cable of producing state information |
| CN101498744B (en) * | 2007-08-14 | 2014-06-11 | 福鲁克公司 | Rotary switch memory for digital multimeter |
| CN101988960B (en) * | 2009-08-07 | 2013-03-06 | 铨盛电子股份有限公司 | Digital electric meter capable of dynamically compensating and correcting reading |
| CN103945178A (en) * | 2014-03-17 | 2014-07-23 | 上海幸和电子科技有限公司 | Wireless intelligent video detector |
| CN105261194A (en) * | 2015-11-23 | 2016-01-20 | 国网重庆市电力公司电力科学研究院 | Measurer with storage function |
| CN105261195A (en) * | 2015-11-23 | 2016-01-20 | 国网重庆市电力公司电力科学研究院 | Measuring instrument capable of achieving remote guide site operation |
| CN109030927A (en) * | 2018-06-28 | 2018-12-18 | 常州机电职业技术学院 | A kind of plurality of voltages routing inspection circuit |
| CN109459697A (en) * | 2018-09-18 | 2019-03-12 | 安恒环境科技（北京）股份有限公司 | For measuring the device of electric current |
| CN109459697B (en) * | 2018-09-18 | 2019-12-20 | 安恒环境科技（北京）股份有限公司 | Device for measuring current |
| CN112230041A (en) * | 2020-10-19 | 2021-01-15 | 广东海洋大学 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
| CN112230041B (en) * | 2020-10-19 | 2023-01-13 | 广东海洋大学 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |