CN208109952U - A kind of power quality analyzer - Google Patents
A kind of power quality analyzer Download PDFInfo
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- CN208109952U CN208109952U CN201820378908.XU CN201820378908U CN208109952U CN 208109952 U CN208109952 U CN 208109952U CN 201820378908 U CN201820378908 U CN 201820378908U CN 208109952 U CN208109952 U CN 208109952U
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- module
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- power quality
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Abstract
The utility model discloses a kind of power quality analyzers of power safety technique field,Including body,The top of the body is connect by conducting wire with data acquisition module,The top right side of the body is fixedly installed with combined aural and visual alarm,The intracavity bottom of the body is fixed with data analysis module,The input terminal of zero crossing comparison module and A/D conversion module is electrically connected in the output end of the signal conditioning module,The data analysis module is electrically bi-directionally connected with A/D conversion module,The data analysis module is also electrically bi-directionally connected key respectively,Display screen,Communication module and database,The output end of the communication module is electrically connected the input terminal of host computer,The output end of the data analysis module is electrically connected the input terminal of combined aural and visual alarm,The utility model realizes the continuity detection to the harmonic measure of power quality,Detection time is short,It is high-efficient,And the precision of detection is high,Ensure that power quality stablizes output.
Description
Technical field
The utility model discloses a kind of power quality analyzers, specially power safety technique field.
Background technique
In recent years, since electric system faces increasingly severe power quality problem, countries in the world are being tried to explore
The cause and solution of power quality problem.Currently, Power Quality Detection instrument is according to detection mode and difference functionally
It is divided into three categories, one kind is hand-held Harmonic Measurer, and one kind is portable electric energy mass detecting instrument and remote power quality prison
Equipment is controlled, hand-held harmonic analysis instrument mainly measures the fundamental wave virtual value of analysis voltage, electric current, but its function is more single,
Do not have the function of multi objective measurement and judgement, the recordable each power quality of analysis of portable electric energy mass detecting instrument substantially
Index, amount of storage is big, has than more rich software function and arbitration functions, but most for special measurement, cannot be continuous
It is detected with multiple spot simultaneously, while not can be carried out the statistical analysis of data, remote power quality detection apparatus is used in electric power substantially
The points of common connection of net can be realized the continuous monitoring to power quality, but without statistics and comparing function well, to survey
The displaying for measuring data is not intuitive enough.For this purpose, we have proposed a kind of power quality analyzers to come into operation, to solve above-mentioned ask
Topic.
Utility model content
The purpose of this utility model is to provide a kind of power quality analyzers, mentioned above in the background art to solve
Problem.
To achieve the above object, the utility model provides the following technical solutions：A kind of power quality analyzer, including machine
The top of body, the body is connect by conducting wire with data acquisition module, and acousto-optic is fixedly mounted in the top right side of the body
Alarm is inlaid with display screen on the body, and the bottom of the display screen is provided with signal lamp, the signal lamp
Lower section be also equipped with key, the intracavity bottom of the body is fixed with data analysis module, the data acquisition module
Output end is electrically connected the input terminal of signal conditioning module, and zero passage ratio is electrically connected in the output end of the signal conditioning module
Compared with the input terminal of module and A/D conversion module, the output end of the zero crossing comparison module is electrically connected the defeated of data analysis module
Enter end, the data analysis module is electrically bi-directionally connected with A/D conversion module, and the data analysis module is also electrically two-way respectively
Key, display screen, communication module and database are connected, the output end of the communication module is electrically connected the input of host computer
End, the output end of the data analysis module are electrically connected the input terminal of combined aural and visual alarm.
Preferably, the content of the data collecting module collected includes voltage value, current value, fundamental voltage RMS, electricity
Force system frequency, voltage total harmonic distortion, voltage fluctuation and flicker and transient overvoltage.
Preferably, buzzer alarm built in the combined aural and visual alarm and alarm flashing lamp.
Preferably, the communication module is USB data line, RS232, RS485 or TCP/IP communication.
Compared with prior art, the utility model has the beneficial effects that：The utility model is realized to the humorous of power quality
The continuity of wave measurement detects, and detection time is short, high-efficient, and the precision detected is high, and ensure that power quality stablizes output.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is Tthe utility model system functional block diagram.
In figure：1 body, 2 conducting wires, 3 data acquisition modules, 4 display screens, 5 signal lamps, 6 keys, 7 data analyze mould
Block, 8 combined aural and visual alarms, 9 signal conditioning modules, 10 zero crossing comparison modules, 11 A/D conversion modules, 12 databases, 13 communication moulds
Block, 14 host computers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and 2 is please referred to, the utility model provides a kind of technical solution：A kind of power quality analyzer, including body 1,
The top of the body 1 is connect by conducting wire 2 with data acquisition module 3, and acousto-optic is fixedly mounted in the top right side of the body 1
Alarm 8 is inlaid with display screen 4 on the body 1, and the bottom of the display screen 4 is provided with signal lamp 5, the signal
The lower section of indicator light 5 is also equipped with key 6, and the intracavity bottom of the body 1 is fixed with data analysis module 7, the data
The output end of acquisition module 3 is electrically connected the input terminal of signal conditioning module 9, the output end difference of the signal conditioning module 9
It is electrically connected the input terminal of zero crossing comparison module 10 and A/D conversion module 11, the output end of the zero crossing comparison module 10 is electrical
The input terminal of data analysis module 7 is connected, the data analysis module 7 and A/D conversion module 11 is electrically bi-directionally connected, the number
It is also electrically bi-directionally connected key 6, display screen 4, communication module 13 and database 12, the communication mould respectively according to analysis module 7
The output end of block 13 is electrically connected the input terminal of host computer 14, and the output end of the data analysis module 7 is electrically connected acousto-optic report
The input terminal of alert device 8.
Wherein, the content that the data acquisition module 3 acquires includes voltage value, current value, fundamental voltage RMS, electric power
System frequency, voltage total harmonic distortion, voltage fluctuation and flicker and transient overvoltage, buzzing built in the combined aural and visual alarm 8 are alert
Device and alarm flashing lamp are reported, the communication module 13 is USB data line, RS232, RS485 or TCP/IP communication.
Working principle：By the quality information of the acquisition electric energy of the real-time continuous property of data acquisition module 3, signal condition is utilized
The all data that data acquisition module 3 acquires is converted into the data of reference format by module 9, then passes through zero crossing comparison module 10
The multinomial data of acquisition are compared, determine its size relation and are put in order, and are converted thereof by A/D conversion module 11
Digital signal is uploaded in data analysis module 7, analog bandpass band hinder and wavelet transformation by way of to electric energy harmonic wave into
Row analysis, and be depicted as figure and generate report, it is same to store into database 12, and by its inspection of 4 real-time display of display screen
Analysis is surveyed as a result, the present apparatus also passes through communication module 13 and host computer 14 realizes and communicate, the detection of power quality can be realized
Long-range monitoring and transmission.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of power quality analyzer, including body（1）, it is characterised in that：The body（1）Top pass through conducting wire（2）
With data acquisition module（3）Connection, the body（1）Top right side be fixedly installed with combined aural and visual alarm（8）, the body
（1）On be inlaid with display screen（4）, the display screen（4）Bottom be provided with signal lamp（5）, the signal lamp（5）
Lower section be also equipped with key（6）, the body（1）Intracavity bottom be fixed with data analysis module（7）, the data adopt
Collect module（3）Output end be electrically connected signal conditioning module（9）Input terminal, the signal conditioning module（9）Output end
Zero crossing comparison module is electrically connected（10）With A/D conversion module（11）Input terminal, the zero crossing comparison module（10）'s
Output end is electrically connected data analysis module（7）Input terminal, the data analysis module（7）With A/D conversion module（11）Electricity
Property is bi-directionally connected, the data analysis module（7）It is also electrically bi-directionally connected key respectively（6）, display screen（4）, communication module
（13）And database（12）, the communication module（13）Output end be electrically connected host computer（14）Input terminal, the number
According to analysis module（7）Output end be electrically connected combined aural and visual alarm（8）Input terminal.
2. a kind of power quality analyzer according to claim 1, it is characterised in that：The data acquisition module（3）It adopts
The content of collection include voltage value, current value, fundamental voltage RMS, power system frequency, voltage total harmonic distortion, voltage fluctuation and
Flickering and transient overvoltage.
3. a kind of power quality analyzer according to claim 1, it is characterised in that：The combined aural and visual alarm（8）It is built-in
Buzzer alarm and alarm flashing lamp.
4. a kind of power quality analyzer according to claim 1, it is characterised in that：The communication module（13）For USB
Data line, RS232, RS485 or TCP/IP communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820378908.XU CN208109952U (en) | 2018-03-20 | 2018-03-20 | A kind of power quality analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820378908.XU CN208109952U (en) | 2018-03-20 | 2018-03-20 | A kind of power quality analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109952U true CN208109952U (en) | 2018-11-16 |
Family
ID=64127634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820378908.XU Expired - Fee Related CN208109952U (en) | 2018-03-20 | 2018-03-20 | A kind of power quality analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
-
2018
- 2018-03-20 CN CN201820378908.XU patent/CN208109952U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
| CN115128330B (en) * | 2022-08-25 | 2022-11-25 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |