CN2752786Y - Electric energy meter interface detecting instrument - Google Patents
Electric energy meter interface detecting instrument Download PDFInfo
- Publication number
- CN2752786Y CN2752786Y CN 200320128640 CN200320128640U CN2752786Y CN 2752786 Y CN2752786 Y CN 2752786Y CN 200320128640 CN200320128640 CN 200320128640 CN 200320128640 U CN200320128640 U CN 200320128640U CN 2752786 Y CN2752786 Y CN 2752786Y
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- China
- Prior art keywords
- electric energy
- interface
- input end
- cpu
- energy meter
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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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- Testing Or Calibration Of Command Recording Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to an electric energy meter interface detecting instrument, which comprises a CPU composed of an SCM or a palm computer or a notebook computer, wherein a data line, a clock control input end and a power supply control input end of the CPU are respectively connected with a data holding unit, a hard clock circuit and a power supply management module. A control command input end of the SCM is also connected with an operation keyboard for inputting operation instructions; a detection signal input end of the SCM is respectively connected with a 485 detection interface which can carry out intelligent detection to targets, a current ring detection interface and a pulse detection interface. A transmission end of the CPU is connected with an infrared transmission interface for transmitting electric information of users. A display output end of the SCM is also provided with a display unit for displaying meter reading data and fault information. The utility model has the advantages that the electric energy meter interface detecting instrument can detect on line electric energy meters running in fields and meter reading devices; the electric energy meter interface detecting instrument has high detection efficiency, small volume, light weight, little wire connection and convenient carrying and field use; the electric energy meter interface detecting instrument can be suitable for the communication protocols of different electric energy meters and different interfaces.
Description
Technical field
The utility model belongs to a kind of pick-up unit, relates to the electric energy meter interface detector that a kind of electric system is used.
Background technology
At present, the long distance meter reading technology has obtained the large tracts of land popularization in the electric system, popularizes day by day in China.Along with putting into operation of more and more long distance meter reading systems, the fault that judge rapidly, remover apparatus occurs, the normal operation of maintenance system has become the task of top priority, at present, when breaking down, electric energy meter and meter copying device can not carry out online detection, the maintainer needs to tear back electric energy meter open detection, and is not only time-consuming but also require great effort, and influences the normal electricity consumption of user.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, provide a kind of and can carry out online detection, detection efficiency height with meter copying device the electric energy meter of scene operation, volume is little, in light weight, wiring is few, be easy to carry and on-the-spotly use, the electric energy meter interface detector of applicable different electric energy meter communication protocols and distinct interface.
The utility model is achieved in that the CPU (central processing unit) that it is made up of single-chip microcomputer or palm PC or notebook computer, its special character is: at the data line of CPU (central processing unit), clock control input end and power supply control input end are connected to the data holding unit that is used to keep CPU (central processing unit) institute's canned data and has the power-failure memory function respectively, can proofread the hardware clock circuit of clock to communication object, be used to manage charging rate, the power management module of duration of charging and charging cut-off voltage, control command input end at single-chip microcomputer also is connected to the operation keyboard that is used for the input operation instruction, detection signal input end at single-chip microcomputer is connected to the 485 detection interfaces that can carry out Intelligent Measurement to target respectively, electric current loop detects interface and pulse detection interface, transmission ends in CPU (central processing unit) is connected to the Infrared Transmission interface that is used for the transmission user power information, also is provided with the display unit that is used to show meter reading data and failure message at the demonstration output terminal of single-chip microcomputer.
The utility model has the advantages that:
1, this electric energy meter interface detector volume is little, in light weight, wiring is few, powered battery, is convenient to use at the scene.
2, can adapt to different electric energy meter communication protocols, electric energy meter, kilowatt meter recorder that the scene is moved carry out online detection, save time, raise the efficiency, guarantee the kilowatt meter reading-out system maintenance quality, avoided equipment being torn open back detection in the past, not only wasted time and energy but also influence the loss of the normal electricity consumption of user.
3, electric energy meter and meter copying device 485 interfaces, electric current loop interface and infrared interface can be detected, and pulse width, pulse accuracy and the reading capability of electric energy meter and meter copying device can be detected.
4, can carry out write address and to clock to communication object, and alternative mobile meter copying device finishes meter-reading function, memory data output is big, has the power-failure memory function.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Embodiment
As shown in the figure, the CPU (central processing unit) 5 that it is made up of single-chip microcomputer or palm PC or notebook computer, data line in CPU (central processing unit) 5, clock control input end and power supply control input end are connected to the data holding unit 1 that is used to keep CPU (central processing unit) institute's canned data and has the power-failure memory function respectively, can proofread the hardware clock circuit 2 of clock to communication object, be used to manage charging rate, the power management module 3 of duration of charging and charging cut-off voltage, control command input end in CPU (central processing unit) 5 also is connected to the operation keyboard 10 that is used for the input operation instruction, detection signal input end in CPU (central processing unit) 5 is connected to the 485 detection interfaces 7 that can carry out Intelligent Measurement to target respectively, electric current loop detects interface 8 and pulse detection interface 9, transmission ends in CPU (central processing unit) 5 is connected to the Infrared Transmission interface 6 that is used for the transmission user power information, also is provided with the liquid crystal display 4 that is used to show meter reading data and failure message at the demonstration output terminal of CPU (central processing unit) 5.
Claims (1)
1, a kind of electric energy meter interface detector, the CPU (central processing unit) that it is made up of single-chip microcomputer or palm PC or notebook computer, it is characterized in that: at the data line of CPU (central processing unit), clock control input end and power supply control input end are connected to the data holding unit that is used to keep CPU (central processing unit) institute's canned data and has the power-failure memory function respectively, can proofread the hardware clock circuit of clock to communication object, be used to manage charging rate, the power management module of duration of charging and charging cut-off voltage, control command input end at single-chip microcomputer also is connected to the operation keyboard that is used for the input operation instruction, detection signal input end at single-chip microcomputer is connected to the 485 detection interfaces that can carry out Intelligent Measurement to target respectively, electric current loop detects interface and pulse detection interface, transmission ends in CPU (central processing unit) is connected to the Infrared Transmission interface that is used for the transmission user power information, also is provided with the display unit that is used to show meter reading data and failure message at the demonstration output terminal of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128640 CN2752786Y (en) | 2003-12-19 | 2003-12-19 | Electric energy meter interface detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128640 CN2752786Y (en) | 2003-12-19 | 2003-12-19 | Electric energy meter interface detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752786Y true CN2752786Y (en) | 2006-01-18 |
Family
ID=35914197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320128640 Expired - Fee Related CN2752786Y (en) | 2003-12-19 | 2003-12-19 | Electric energy meter interface detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752786Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231320B (en) * | 2008-01-31 | 2010-06-09 | 湖北省电力试验研究院 | Undervoltage meter system detecting device based on virtual electric energy meter module |
| CN102175983A (en) * | 2011-03-04 | 2011-09-07 | 河北省电力研究院 | Method for testing multifunctional watt-hour meter reading time of electric quantity collector for watt-hour meter |
| WO2013040726A1 (en) * | 2011-09-25 | 2013-03-28 | 安徽省电力公司宣城供电公司 | On-site tester for electricity usage information collection system and testing method thereof |
| CN103344858A (en) * | 2013-06-29 | 2013-10-09 | 国家电网公司 | Method and device for testing meter reading port of intelligent electric meter |
| CN106803342A (en) * | 2016-12-13 | 2017-06-06 | 国网北京市电力公司 | Mobile detection apparatus and fault detection method and device |
-
2003
- 2003-12-19 CN CN 200320128640 patent/CN2752786Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231320B (en) * | 2008-01-31 | 2010-06-09 | 湖北省电力试验研究院 | Undervoltage meter system detecting device based on virtual electric energy meter module |
| CN102175983A (en) * | 2011-03-04 | 2011-09-07 | 河北省电力研究院 | Method for testing multifunctional watt-hour meter reading time of electric quantity collector for watt-hour meter |
| WO2013040726A1 (en) * | 2011-09-25 | 2013-03-28 | 安徽省电力公司宣城供电公司 | On-site tester for electricity usage information collection system and testing method thereof |
| CN103344858A (en) * | 2013-06-29 | 2013-10-09 | 国家电网公司 | Method and device for testing meter reading port of intelligent electric meter |
| CN106803342A (en) * | 2016-12-13 | 2017-06-06 | 国网北京市电力公司 | Mobile detection apparatus and fault detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |