CN201251607Y - Three-phase intelligent digital display meter hardware system - Google Patents
Three-phase intelligent digital display meter hardware system Download PDFInfo
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- CN201251607Y CN201251607Y CNU2008200651267U CN200820065126U CN201251607Y CN 201251607 Y CN201251607 Y CN 201251607Y CN U2008200651267 U CNU2008200651267 U CN U2008200651267U CN 200820065126 U CN200820065126 U CN 200820065126U CN 201251607 Y CN201251607 Y CN 201251607Y
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Abstract
The utility model discloses a three-phase intelligent digital display meter hardware system, comprising a CPU module, and a synthesis module and a sampling module which are connected with the CPU module. The CPU module comprises a CPU, a data memory E2PROM, a man-machine interface circuit and a drive circuit. The man-machine interface circuit comprises a display module formed by three nixie tubes of 4 bits, membrane buttons and 9 state indicator lamps, wherein the display module composed of three nixie tubes of 4 bits, the membrane buttons and two state indicator lamps are respectively connected with the CPU module via man-machine interfaces. The synthesis module comprises a power module, a switch quantity detection module, an output control module, a communication module and a wiring terminal. The sampling module comprises a voltage acquisition module, a current acquisition module and a wiring terminal. The three-phase intelligent digital display meter hardware system has the advantages of high accuracy, low power consumption, high intelligent degree and stable performance.
Description
Technical field
The utility model relates to a kind of intelligent digital displaying meter, particularly a kind of three-phase intelligent digital displaying meter hardware system.
Background technology
Intelligent digital displaying meter is a kind of measurement instrument of electrical quantitys such as a kind of measuring voltage that adopts microprocessor to constitute, electric current, active power, reactive power, frequency, because it has characteristics such as high reliability, high sensitivity, intelligent digital displaying meter has obtained utilization widely aspect electric parameter measurement.Along with the development of electronic information technology, the application of intelligent digital displaying meter also promptly expands to terminal users such as factories and miness, enterprise, commerce, army by single professional power consumer.
At present, though intelligent digital displaying meter can satisfy users' primary demand, also come with some shortcomings: have only 10 as sampling precision, the sampled value error is bigger; Can not realize the networking management well; Can not adapt to abominable site environment well.
The utility model content
The purpose of this utility model provides a kind of three-phase intelligent digital displaying meter hardware system, overcomes the deficiencies in the prior art, realizes the high-efficiency operation of intelligent digital displaying meter hardware system, and makes it have low in energy consumption, characteristics such as precision is high, intellectuality and stable performance.
To achieve these goals, the technical scheme that the utility model adopted is as follows:
A kind of three-phase intelligent digital displaying meter hardware system, comprise the CPU module, and the comprehensive module and the sampling module that link to each other with the CPU module, wherein, described CPU module is by CPU, and the data memory module that links to each other with CPU respectively, driving circuit and man-machine interface circuit are formed; Comprehensive module is made up of power module, communication module, switching value detection module and output control module, and described power module, communication module, switching value detection module and output control module link to each other with CPU by looper respectively.
Described analog quantity sampling module comprises voltage acquisition module and current acquisition module, and voltage acquisition module links to each other with CPU by looper respectively with the current acquisition module.
Described sampling module is 12 A/D sampling modules.
Described man-machine interface circuit comprises 3 road display modules, film key and 9 status indicator lamps, and described 3 road display modules, film key and 9 status indicator lamps all link to each other with CPU by man-machine interface.
Each road display module constitutes by group of four figures pipe in described 3 road display modules.
Described looper is the looper of 10 pins.
In the utility model, comprehensive module adopts the looper of 10 pins directly to link to each other with the CPU module respectively with sampling module, so not only guaranteed the stable of CPU module and comprehensive module, sampling module signal exchange, whole hardware system is connected firmly, even in rugged environment, the utility model also can operate as normal.On the other hand, the three-phase voltage that acquisition module obtains, three-phase current by CPU and other resume module after, show by display module, the user can read voltage, current value intuitively from charactron, very convenient.
Compared with prior art, the utlity model has following advantage and effect:
(1) each circuit links to each other with modular form in the utility model, and each module work is relatively independent on whole hardware system like this, has improved the stability and the ease for use of whole hardware system.
(2) the utility model integrates three-phase voltage, three-phase current acquisition function, and can easily realize the collection of active power, reactive power, power factor and frequency meter by the collection of voltage, electric current, thereby realized the acquisition function of multiple signal, made the utility model with better function.
(3) the utility model adopts 12 analog quantity sampling modules, has greatly improved sampling precision.
(4) the utlity model has stronger expanded function, as the double switch amount input of monitoring switch state and the two-way relay output of gauge tap, and one road RS485/MODBUS communication, instrument is carried out the networking management, the user can carry out parameter setting and remote control by relay is exported, and has realized the automatic control of whole hardware system easily.
Description of drawings
Accompanying drawing is a system chart of the present utility model.
Embodiment
The utility model is described in further detail below by coming for example, but embodiment of the present utility model is not limited thereto.
As shown in drawings, a kind of three-phase intelligent digital displaying meter hardware system comprises the CPU module, and the comprehensive module and the sampling module that link to each other with the CPU module, and described comprehensive module adopts the looper of 10 pins directly to link to each other with the CUP module respectively with sampling module.
Be provided with CPU, data storage, driving circuit and man-machine interface circuit in the described CPU module, and comprehensive module is made up of power module, communication module, switching value detection module and output control module, and acquisition module comprises voltage acquisition module and current acquisition module again.When this hardware system operation, current acquisition module in the acquisition module is transferred to the CPU module by operational amplification circuit with the current signal amplification of gathering, voltage acquisition module is transferred to filtered voltage signal in the CPU module, for guaranteeing acquisition precision, acquisition module adopts 12 A/D sampling modules.CPU in the CPU module periodically is converted to digital signal with the analog quantity that is collected, and data are carried out calculation process.After the CPU Analog signals, deal with data is transported to comprehensive module on the one hand and carries out data presentation, can also be stored among the data memory module E2PROM, for future use on the other hand.Data show by display module after being transported to comprehensive module, realize warning function by output control module simultaneously.
In the described comprehensive module, the switching value detection module is isolated by photoelectricity strong, weak electricity is thoroughly separated, and has improved antijamming capability; The switching value detection module state of switch to external world detects, and directly is transferred to the CPU module after isolating through photoelectricity, to realize the acquisition function of signal; The CPU module is handled the signal of switching value detection module input, the result is delivered to show on the status indicator lamp of display module or be sent to remote equipment through communication module.
Described CPU module links to each other with communication module, makes whole hardware system have the function of remote signalling, remote measurement, remote control, can carry out the networking management in the application easily.Be arranged at the man-machine interface circuit on the CUP module, and the communication module on the comprehensive module, can easily realize man-machine conversation, particularly can carry out exchanges data and straighforward operation with remote equipment by communication module.Described man-machine interface circuit comprises 3 tunnel group of four figures pipes that are used for video data, 9 pilot lamp that are used for indicating status and the film key of realizing the parameter input.
By above-mentioned design, the utility model has not only been realized intellectuality, the networking and information-based of intelligent digital displaying meter, simultaneously, because each module of the present utility model is relatively independent, makes that whole hardware system stability when operation is higher; The test of hardware with safeguard and can test and safeguard that test has improved work efficiency with easy to maintenance by functions of modules.
Claims (6)
1. three-phase intelligent digital displaying meter hardware system, comprise the CPU module, and the comprehensive module and the sampling module that link to each other with the CPU module, it is characterized in that, described CPU module is by CPU, and the data memory module that links to each other with CPU respectively, driving circuit and man-machine interface circuit are formed; Comprehensive module is made up of power module, communication module, switching value detection module and output control module, and described power module, communication module, switching value detection module and output control module link to each other with CPU by looper respectively.
2. three-phase intelligent digital displaying meter hardware system according to claim 1 is characterized in that described sampling module comprises voltage acquisition module and current acquisition module, and voltage acquisition module links to each other with CPU by looper respectively with the current acquisition module.
3. three-phase intelligent digital displaying meter hardware system according to claim 1 is characterized in that, described sampling module is 12 A/D sampling modules.
4. three-phase intelligent digital displaying meter hardware system according to claim 1, it is characterized in that, described man-machine interface circuit comprises 3 road display modules, film key and 9 status indicator lamps, and described 3 road display modules, film key and 9 status indicator lamps all link to each other with CPU by man-machine interface.
5. three-phase intelligent digital displaying meter hardware system according to claim 4 is characterized in that each road display module constitutes by group of four figures pipe in described 3 road display modules.
6. three-phase intelligent digital displaying meter hardware system according to claim 1 and 2 is characterized in that described looper is the looper of 10 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200651267U CN201251607Y (en) | 2008-09-16 | 2008-09-16 | Three-phase intelligent digital display meter hardware system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200651267U CN201251607Y (en) | 2008-09-16 | 2008-09-16 | Three-phase intelligent digital display meter hardware system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251607Y true CN201251607Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200651267U Expired - Fee Related CN201251607Y (en) | 2008-09-16 | 2008-09-16 | Three-phase intelligent digital display meter hardware system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251607Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454518A (en) * | 2013-07-05 | 2013-12-18 | 杭州能云科技有限公司 | Energy acquisition terminal |
| CN106646187A (en) * | 2016-10-13 | 2017-05-10 | 合肥拓发信息科技有限公司 | Integrated detection system for communication equipment instruments |
-
2008
- 2008-09-16 CN CNU2008200651267U patent/CN201251607Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454518A (en) * | 2013-07-05 | 2013-12-18 | 杭州能云科技有限公司 | Energy acquisition terminal |
| CN103454518B (en) * | 2013-07-05 | 2015-09-23 | 杭州能云科技有限公司 | A kind of energy acquisition terminal |
| CN106646187A (en) * | 2016-10-13 | 2017-05-10 | 合肥拓发信息科技有限公司 | Integrated detection system for communication equipment instruments |
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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 |
Granted publication date: 20090603 Termination date: 20150916 |
|
| EXPY | Termination of patent right or utility model |