CN109782040A - A kind of Current Voltage electric energy mixing instrument - Google Patents
A kind of Current Voltage electric energy mixing instrument Download PDFInfo
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- CN109782040A CN109782040A CN201811489518.0A CN201811489518A CN109782040A CN 109782040 A CN109782040 A CN 109782040A CN 201811489518 A CN201811489518 A CN 201811489518A CN 109782040 A CN109782040 A CN 109782040A
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- meter body
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- acquisition module
- display screen
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Abstract
The invention discloses a kind of Current Voltage electric energy to mix instrument, the modular circuit board including meter body and in meter body；Display screen is provided in meter body, display screen side is provided with control button, and meter body back is provided with multiple detection interfaces, and meter body side is provided with embedded groove, is fixed with probe head in embedded groove；The modular circuit board includes central processing unit, power-switching circuit, RS485 telecommunication circuit, three-phase current acquisition module, three-phase voltage acquisition module, display interface and switching value observation circuit.The present invention is able to achieve multi-task architecture, realizes that various programs are mutually run, and realizes a variety of instrument measurement data conversions, and low in cost, strong interference immunity substantially increases production efficiency, reduces production cost.
Description
Technical field
The present invention relates to mixing field of instrumentation technology, especially a kind of Current Voltage electric energy mixes instrument.
Background technique
Existing Current Voltage electric energy mixes instrument, is by single-phase electricity flow table, three-phase electricity flow table, single-phase voltage table, three-phase
Voltmeter, frequency meter, power meter, multifunctional meter cannot achieve multi-task architecture using their hardware and software intersections, also without
Method realizes multi-task planning and calling.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of Current Voltage electric energy to mix instrument, this hair
It is bright to be able to achieve multi-task architecture, it realizes that various programs are mutually run, realizes a variety of instrument measurement data conversions, it is low in cost, resist
Interference is strong, substantially increases production efficiency, reduces production cost.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Current Voltage electric energy mixing instrument, the modular circuit board including meter body and in meter body；Instrument
Display screen is provided on table ontology, display screen side is provided with control button, and meter body back is provided with multiple detection interfaces,
Meter body side is provided with embedded groove, is fixed with probe head in embedded groove；The modular circuit board includes center
Processing unit, power-switching circuit, RS485 telecommunication circuit, three-phase current acquisition module, three-phase voltage acquisition module, display circle
Face and switching value observation circuit；
The power-switching circuit is used to power to modular circuit board and be managed the charge and discharge of battery；
The RS485 telecommunication circuit includes RS485 communication interface, which is used to realize data with external equipment
Communication；
The three-phase current acquisition module is sent into centre for acquiring three-phase current information, and by the three-phase current information of acquisition
Manage unit；
The three-phase voltage acquisition module is sent into centre for acquiring three-phase voltage information, and by the three-phase voltage information of acquisition
Manage unit；
The display interface is display screen, which is used to show the data information of acquisition；
The switching value observation circuit is for acquisition and monitoring switch amount mission bit stream, and the information that will acquire is sent into centre
Manage unit；
The central processing unit is used to obtain the data information of acquisition, and carries out at single task or multitask to data information
Reason；
The signal end of central processing unit respectively with power-switching circuit, RS485 telecommunication circuit, three-phase current acquisition module, three
Phase voltage acquisition module, display interface are connected with the signal end of switching value observation circuit.
Preferably, display screen is touch display screen.
Preferably, external data interface is additionally provided on modular circuit board, external data interface includes USB interface.
The beneficial effects of the present invention are: the application uses modular board structure of circuit, hardware configuration is stablized, anti-interference
By force, using RS485 communicating circuit, while light-coupled isolation being utilized, is compensated by triode, communication frequency is high, and the bit error rate is low,
It is able to achieve multitask running and more instrument measurement data conversions, detection accuracy is high, and structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is rearview of the invention；
Fig. 3 is circuit module connection relationship diagram of the invention；
In figure, 101- meter body, 102- display screen, 103- control button, 104- embedded groove, 105- probe head, 106- inspection
Survey interface, 107- central processing unit, 108-RS485 communicating circuit, 109- power-switching circuit, 110- three-phase current acquisition mould
Block, 111- three-phase voltage acquisition module, 112- switching value observation circuit.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
A kind of Current Voltage electric energy mixes instrument, please refers to shown in attached drawing 1- attached drawing 3, including meter body 101 and sets
Modular circuit board in meter body 101；Display screen 102, the setting of 102 side of display screen are provided in meter body 101
There is control button 103,101 back of meter body is provided with multiple detection interfaces 106, and 101 side of meter body is provided with insertion
Slot 104 is fixed with probe head 105 in embedded groove 104；The modular circuit board includes central processing unit 107, electricity
Power-switching circuit 109, RS485 telecommunication circuit 108, three-phase current acquisition module 110, three-phase voltage acquisition module 111, display circle
Face and switching value observation circuit 112；
The power-switching circuit 109 is used to power to modular circuit board and be managed the charge and discharge of battery；
The RS485 telecommunication circuit 108 includes RS485 communication interface, which is used to realize number with external equipment
According to communication；
The three-phase current acquisition module 110, and will be during the three-phase current information of acquisition be sent into for acquiring three-phase current information
Central Processing Unit；
The three-phase voltage acquisition module 111, and will be during the three-phase voltage information of acquisition be sent into for acquiring three-phase voltage information
Central Processing Unit；
The display interface is display screen 102, which is used to show the data information of acquisition；
The switching value observation circuit 112 is used to acquire and monitoring switch amount mission bit stream, and in the information feeding that will acquire
Central Processing Unit；
The central processing unit 107 is used to obtain the data information of acquisition, and carries out single task or multitask to data information
Processing；
The signal end of central processing unit 107 is adopted with power-switching circuit 109, RS485 telecommunication circuit 108, three-phase current respectively
Collection module 110, three-phase voltage acquisition module 111, display interface are connected with the signal end of switching value observation circuit 112.
Preferably, display screen 102 is touch display screen.
Preferably, external data interface is additionally provided on modular circuit board, external data interface includes USB interface.
It should be noted that the application, which belongs to, starts type product, the purpose of product invention is to reduce single-phase electricity flow table, three
Phase current table, single-phase voltage table, three-phase voltage meter, frequency meter, power meter, multifunctional meter production cost, improve these instrument
Production efficiency, while improving the stability of product.The application uses 8 chip microcontroller software and hardware embedded products, more
Task framework realizes that various programs are mutually run, and realizes a variety of instrument measurement data conversions.
Further, the application is compensated using light-coupled isolation by triode using RS485 circuit communication robust,
So that communication frequency is high, the bit error rate is low.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (3)
1. a kind of Current Voltage electric energy mixes instrument, which is characterized in that the mould including meter body and in meter body
Block circuit board；Display screen is provided in meter body, display screen side is provided with control button, and meter body back is provided with
Multiple detection interfaces, meter body side are provided with embedded groove, are fixed with probe head in embedded groove；The Modular electrical
Road plate includes central processing unit, power-switching circuit, RS485 telecommunication circuit, three-phase current acquisition module, three-phase voltage acquisition
Module, display interface and switching value observation circuit；
The power-switching circuit is used to power to modular circuit board and be managed the charge and discharge of battery；
The RS485 telecommunication circuit includes RS485 communication interface, which is used to realize data with external equipment
Communication；
The three-phase current acquisition module is sent into centre for acquiring three-phase current information, and by the three-phase current information of acquisition
Manage unit；
The three-phase voltage acquisition module is sent into centre for acquiring three-phase voltage information, and by the three-phase voltage information of acquisition
Manage unit；
The display interface is display screen, which is used to show the data information of acquisition；
The switching value observation circuit is for acquisition and monitoring switch amount mission bit stream, and the information that will acquire is sent into centre
Manage unit；
The central processing unit is used to obtain the data information of acquisition, and carries out at single task or multitask to data information
Reason；
The signal end of central processing unit respectively with power-switching circuit, RS485 telecommunication circuit, three-phase current acquisition module, three
Phase voltage acquisition module, display interface are connected with the signal end of switching value observation circuit.
2. a kind of Current Voltage electric energy mixes instrument according to claim 1, which is characterized in that display screen is to touch display
Screen.
3. a kind of Current Voltage electric energy mixes instrument according to claim 1, which is characterized in that also set on modular circuit board
It is equipped with external data interface, external data interface includes USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489518.0A CN109782040A (en) | 2018-12-06 | 2018-12-06 | A kind of Current Voltage electric energy mixing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489518.0A CN109782040A (en) | 2018-12-06 | 2018-12-06 | A kind of Current Voltage electric energy mixing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109782040A true CN109782040A (en) | 2019-05-21 |
Family
ID=66496800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489518.0A Pending CN109782040A (en) | 2018-12-06 | 2018-12-06 | A kind of Current Voltage electric energy mixing instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN109782040A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338141A (en) * | 1999-03-25 | 2000-12-08 | Tokyo Electric Power Co Inc:The | Apparatus and method for measuring voltage and apparatus and method for measuring electric energy |
| CN1690719A (en) * | 2004-04-23 | 2005-11-02 | 上海电器科学研究所（集团）有限公司 | Electric quantity monitor with communication interfaces |
| CN201141884Y (en) * | 2007-12-29 | 2008-10-29 | 西安龙德科技发展有限公司 | Three-phase electric parameter display device |
| CN201166681Y (en) * | 2008-03-21 | 2008-12-17 | 江苏斯菲尔电气有限公司 | Electrical measuring instrument |
| CN203337709U (en) * | 2013-07-10 | 2013-12-11 | 兰州海红技术股份有限公司 | Intelligent electric instrument |
-
2018
- 2018-12-06 CN CN201811489518.0A patent/CN109782040A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338141A (en) * | 1999-03-25 | 2000-12-08 | Tokyo Electric Power Co Inc:The | Apparatus and method for measuring voltage and apparatus and method for measuring electric energy |
| CN1690719A (en) * | 2004-04-23 | 2005-11-02 | 上海电器科学研究所（集团）有限公司 | Electric quantity monitor with communication interfaces |
| CN201141884Y (en) * | 2007-12-29 | 2008-10-29 | 西安龙德科技发展有限公司 | Three-phase electric parameter display device |
| CN201166681Y (en) * | 2008-03-21 | 2008-12-17 | 江苏斯菲尔电气有限公司 | Electrical measuring instrument |
| CN203337709U (en) * | 2013-07-10 | 2013-12-11 | 兰州海红技术股份有限公司 | Intelligent electric instrument |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190521 |
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| WD01 | Invention patent application deemed withdrawn after publication |