CN202649318U - Multifunctional electric power meter with voltage phase sequence detection function - Google Patents
Multifunctional electric power meter with voltage phase sequence detection function Download PDFInfo
- Publication number
- CN202649318U CN202649318U CN 201220164487 CN201220164487U CN202649318U CN 202649318 U CN202649318 U CN 202649318U CN 201220164487 CN201220164487 CN 201220164487 CN 201220164487 U CN201220164487 U CN 201220164487U CN 202649318 U CN202649318 U CN 202649318U
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- Prior art keywords
- phase sequence
- voltage phase
- multifunctional electric
- electric power
- detection function
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- 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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- 238000000819 phase cycle Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 title abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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Abstract
A multifunctional electric power meter with voltage phase sequence detection function is composed of a CPU and is characterized in that: the CPU is connected with an electric energy metering chip, and also connected with a display module, a key module and a communication module. The multifunctional electric power meter with voltage phase sequence detection function can detect the voltage phase sequence.
Description
Technical field
The utility model relates to a kind of electric instrument, especially relates to a kind of electric instrument with voltage phase sequence measuring ability.
Background technology
At present, conventional multifunctional electric meter lacks corresponding voltage phase sequence measuring ability, thus in use easily because of the change of voltage phase sequence cause measuring inaccurate, even cause instrument impaired.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of multifunctional electric meter of the phase sequence measuring ability with voltage that can detect voltage phase sequence is provided.
The purpose of this utility model is achieved in that a kind of multifunctional electric meter of phase sequence measuring ability with voltage, and described instrument includes CPU, is connected with electric energy computation chip on the described CPU.
The multifunctional electric meter of the utility model phase sequence measuring ability with voltage also is connected with display module, key-press module and communication module on the described CPU.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is by electric energy computation chip, in conjunction with the analysis of CPU, can realize detection to voltage phase sequence by voltage phase angle, and can occur carrying out display alarm by display module when unusual at voltage phase sequence.
Description of drawings
Fig. 1 is the circuit block diagram of the multifunctional electric meter of the utility model phase sequence measuring ability with voltage.
Embodiment
Referring to Fig. 1, the multifunctional electric meter of the phase sequence measuring ability a kind of with voltage that the utility model relates to, described instrument includes CPU, is connected with electric energy computation chip, display module, key-press module and communication module on the described CPU.
During use, utilize electric energy computation chip that the phasing degree of voltage is analyzed, thereby occur when unusual when voltage phase sequence, CPU can in time find, and by display module report to the police (demonstration error message).
Claims (2)
1. the multifunctional electric meter of a phase sequence measuring ability with voltage, described instrument includes CPU, it is characterized in that: be connected with electric energy computation chip on the described CPU.
2. a kind of multifunctional electric meter of phase sequence measuring ability with voltage as claimed in claim 1 is characterized in that: also be connected with display module, key-press module and communication module on the described CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220164487 CN202649318U (en) | 2012-04-18 | 2012-04-18 | Multifunctional electric power meter with voltage phase sequence detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220164487 CN202649318U (en) | 2012-04-18 | 2012-04-18 | Multifunctional electric power meter with voltage phase sequence detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649318U true CN202649318U (en) | 2013-01-02 |
Family
ID=47418409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220164487 Expired - Fee Related CN202649318U (en) | 2012-04-18 | 2012-04-18 | Multifunctional electric power meter with voltage phase sequence detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459603A (en) * | 2014-12-26 | 2015-03-25 | 杨兴旺 | Method and device for detecting three-phase three-wire energy measurement device |
| CN106908751A (en) * | 2017-02-14 | 2017-06-30 | 上海双宾电气有限公司 | It is a kind of can straightened up in place multifunctional intellectual electric instrument |
| CN109270317A (en) * | 2018-11-08 | 2019-01-25 | 国网江苏省电力有限公司南通供电分公司 | Multifunctional electric power measuring instrument |
-
2012
- 2012-04-18 CN CN 201220164487 patent/CN202649318U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104459603A (en) * | 2014-12-26 | 2015-03-25 | 杨兴旺 | Method and device for detecting three-phase three-wire energy measurement device |
| CN106908751A (en) * | 2017-02-14 | 2017-06-30 | 上海双宾电气有限公司 | It is a kind of can straightened up in place multifunctional intellectual electric instrument |
| CN109270317A (en) * | 2018-11-08 | 2019-01-25 | 国网江苏省电力有限公司南通供电分公司 | Multifunctional electric power measuring instrument |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20170418 |