CN201569702U - Digital voltmeter - Google Patents
Digital voltmeter Download PDFInfo
- Publication number
- CN201569702U CN201569702U CN2009203169938U CN200920316993U CN201569702U CN 201569702 U CN201569702 U CN 201569702U CN 2009203169938 U CN2009203169938 U CN 2009203169938U CN 200920316993 U CN200920316993 U CN 200920316993U CN 201569702 U CN201569702 U CN 201569702U
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- China
- Prior art keywords
- digital
- chip microcomputer
- digital voltmeter
- analog
- utility
- 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
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a digital voltmeter, which comprises a singlechip, wherein the singlechip is connected with an analog-to-digital converter and a digital tube respectively. The analog-to-digital converter adopts the ADC0809 analog-to-digital converter, and the singlechip adopts the AT89S52 singlechip. The utility model has the benefits that the digital voltmeter is controlled by programming for the singlechip and can measure the parameter timely, conveniently, intuitively and accurately.
Description
Technical field
The utility model belongs to the single-chip microcomputer applied technical field, relates to a kind of digital voltmeter.
Background technology
The design of digital voltmeter and research and development have had polytype and style, and traditional digital voltmeter respectively has characteristics, and hand dipping is done at the scene of being adapted at, and measurement is also inaccurate, is not easy to carry.
Summary of the invention
The purpose of this utility model provides a kind of digital voltmeter, has solved the digital voltmeter that exists in the prior art and has been not easy to carry and reads the inaccurate problem of parameter.
The technical scheme that the utility model adopted is, a kind of digital voltmeter comprises a single-chip microcomputer, and single-chip microcomputer is connected with charactron with analog to digital converter respectively.
Digital voltmeter feature of the present utility model also is,
Analog to digital converter adopts ADC0809 pattern number converter.
Single-chip microcomputer adopts AT89S52 type single-chip microcomputer.
The beneficial effect of the utility model digital voltmeter is, utilizes single-chip microcomputer to enroll programmed control, can in time make things convenient for, intuitively, accurate measurement parameter.
Description of drawings
Fig. 1 is the structural representation of the utility model digital voltmeter.
Among the figure, 1. single-chip microcomputer, 2. analog to digital converter, 3. charactron.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As Fig. 1, the structure of the utility model digital voltmeter is, a kind of digital voltmeter is characterized in that, comprises a single-chip microcomputer 1, and single-chip microcomputer 1 is connected with charactron 3 with analog to digital converter 2 respectively.
Analog to digital converter 2 adopts ADC0809 pattern number converter.
Single-chip microcomputer 1 adopts AT89S52 type single-chip microcomputer.
The principle of work of the utility model device is, analog to digital converter 2 is measured pot voltage, and institute's survey voltage transitions is become digital signal, again digital data transmission is arrived 1 li of single-chip microcomputer, through flowing to charactron 3 after single-chip microcomputer 1 processing, charactron 3 shows measured voltage.
The beneficial effect of the utility model digital voltmeter is, utilizes single-chip microcomputer to enroll programme-control, can in time make things convenient for, intuitively, the Measurement accuracy parameter.
Claims (3)
1. a digital voltmeter is characterized in that, comprises a single-chip microcomputer (1), and single-chip microcomputer (1) is connected with charactron (3) with analog to digital converter (2) respectively.
2. digital voltmeter according to claim 1 is characterized in that, described analog to digital converter (2) adopts ADC0809 pattern number converter.
3. digital voltmeter according to claim 1 is characterized in that, described single-chip microcomputer (1) adopts AT89S52 type single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203169938U CN201569702U (en) | 2009-12-10 | 2009-12-10 | Digital voltmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203169938U CN201569702U (en) | 2009-12-10 | 2009-12-10 | Digital voltmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569702U true CN201569702U (en) | 2010-09-01 |
Family
ID=42661996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203169938U Expired - Fee Related CN201569702U (en) | 2009-12-10 | 2009-12-10 | Digital voltmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201569702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802364A (en) * | 2017-03-14 | 2017-06-06 | 南宁市高光信息技术有限公司 | A kind of digital voltmeter system |
-
2009
- 2009-12-10 CN CN2009203169938U patent/CN201569702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802364A (en) * | 2017-03-14 | 2017-06-06 | 南宁市高光信息技术有限公司 | A kind of digital voltmeter system |
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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: 20100901 Termination date: 20101210 |