CN103575978A - Multi-user electricity collecting terminal - Google Patents
Multi-user electricity collecting terminal Download PDFInfo
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- CN103575978A CN103575978A CN201210280306.8A CN201210280306A CN103575978A CN 103575978 A CN103575978 A CN 103575978A CN 201210280306 A CN201210280306 A CN 201210280306A CN 103575978 A CN103575978 A CN 103575978A
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Abstract
The invention discloses a multi-user electricity collecting terminal which comprises a plurality of electricity meters, a plurality of voltage transformer, a plurality of current transformer, a multi-way selector switch, a power arithmetic device, a voltage frequency converter, a single chip microcomputer, a serial port switcher, a GPRS module and a storage. A signal output end of each electricity meter is connected with a signal input end of a corresponding current transformer and a signal input end of a corresponding voltage transformer. A signal output end of each current transformer and a signal output end of the voltage transformer are connected with an input end of the multi-way selector switch. A signal output end of the multi-way selector switch is connected with a signal input end of the power arithmetic device. A signal output end of the power arithmetic device is connected with a signal input end of the voltage frequency converter. A signal output end of the voltage frequency converter is connected with a signal input end of the single chip microcomputer. The multi-user electricity collecting terminal is used for remote meter reading, working efficiency is greatly improved, and the problems of misreading, reading missing, reading estimating and the like are reduced.
Description
Technical field
The present invention relates to a kind of acquisition terminal, particularly relate to a kind of multi-user's electric energy acquisition terminal.
Background technology
Development along with urban modernization construction, a large amount of emergences of residential building community, make the construction scale expanding day in city, also more sophisticated and heavy is made in management, the not competent present work of manual metering originally, traditional meter reading method numeral that workman removes reading power meters from house to house of need to checking meter, monthly or copy once per bimester, just cannot reading out data if unmanned in user family, by microcomputer or home built electricity charge list, press for payment of demand charge, and the mode of manual metering is also unfavorable for data statistics very much, also exist mistake to copy, leakage is copied, estimate the problem such as copy.
New kilowatt meter reading-out system arises at the historic moment as palm machine kilowatt meter reading-out system, long-distance meter-reading system.Along with the development of mobile communication and computer technology, make the modern network communication technology, as GPRS, CDMA, GSM, apply to and in long-distance meter-reading system, become possibility.
Summary of the invention
The object of the invention is to provide in order to address the above problem that a kind of cost is low, multi-user's electric energy acquisition terminal of data acquisition and control automatization.
The present invention is achieved by the following technical solutions:
A kind of multi-user's electric energy acquisition terminal, comprise a plurality of ammeters, a plurality of voltage transformer (VT), a plurality of current transformers, multi-channel switch, Power arithmetic device, voltage-frequency converter, single-chip microcomputer, serial port switch, GPRS module and storer, described in each, the signal output part of ammeter is connected with corresponding current transformer and the signal input part of voltage transformer (VT) respectively, described current transformer is connected with the signal output part of described inductance mutual inductor and the signal input part of described multi-channel switch, the signal input part that the signal output part of described multi-channel switch is connected with described Power arithmetic device connects, the signal output part of described Power arithmetic device is connected with the signal input part of described voltage-frequency converter, the signal output part of described voltage-frequency converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer respectively with the signal input part of described multi-channel switch, the signal input part of serial port switch and then the signal input part of storer connect, the signal output part of described serial port switch is connected with the signal input part of described GPRS module respectively.
Current transformer and voltage transformer (VT) gather the information of ammeter, multi-channel switch is under the control of single-chip microcomputer, circulation timing switches, make corresponding voltage, current value send the signal input part of Power arithmetic device, voltage and current instantaneous value after the conversion of Power arithmetic device multiplies each other, and the DC voltage that acquisition is directly proportional to power after phase compensation, voltage-frequency converter is converted to pulse by DC voltage, it is user's the electrical index of using that this pulse signal send single-chip microcomputer to add up after summation is processed, and deposits in storer.When needs are checked meter, each user is transferred to monitoring host computer with electrical index by GPRS module.
Be as a further improvement on the present invention, described multi-user's electric energy acquisition terminal also comprises keyboard and display screen, the signal input part of described display screen is connected with the signal output part of described serial port switch, and the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer.
As a further improvement on the present invention, in described multi-user's electric energy acquisition terminal, be provided with RFID electronic tag.The position of user's electric energy acquisition terminal and numbering are input to RFID label, by rfid system in software accurately and timely position and the numbering of user's electric energy acquisition terminal.
The invention has the beneficial effects as follows:
Adopt multi-user's electric energy acquisition terminal to carry out remote meter reading, avoided traditional meter reading method to check meter digital shortcoming that workman removes reading power meters from house to house, both greatly improved work efficiency, reduced again mistake and copied, leak and copy, estimate the problem such as copy, security and the dirigibility of checking meter are greatly improved.And adopt multi-user's electric energy acquisition terminal to also help data statistics and analysis.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of multi-user's electric energy acquisition terminal of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
As shown in Figure 1, multi-user's electric energy acquisition terminal of the present invention, comprise a plurality of ammeters, a plurality of voltage transformer (VT), a plurality of current transformers, multi-channel switch, Power arithmetic device, voltage-frequency converter, single-chip microcomputer, serial port switch, GPRS module and storer, in the present embodiment, ammeter, the number of voltage transformer (VT) summation current transformer is respectively 20, described in each, the signal output part of ammeter is connected with corresponding current transformer and the signal input part of voltage transformer (VT) respectively, described current transformer is connected with the signal output part of described inductance mutual inductor and the signal input part of described multi-channel switch, the signal input part that the signal output part of described multi-channel switch is connected with described Power arithmetic device connects, the signal output part of described Power arithmetic device is connected with the signal input part of described voltage-frequency converter, the signal output part of described voltage-frequency converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer respectively with the signal input part of described multi-channel switch, the signal input part of serial port switch and then the signal input part of storer connect, the signal output part of described serial port switch is connected with the signal input part of described GPRS module respectively.
Current transformer and voltage transformer (VT) gather the information of ammeter, multi-channel switch is under the control of single-chip microcomputer, circulation timing switches, make corresponding voltage, current value send the signal input part of Power arithmetic device, voltage and current instantaneous value after the conversion of Power arithmetic device multiplies each other, and the DC voltage that acquisition is directly proportional to power after phase compensation, voltage-frequency converter is converted to pulse by DC voltage, it is user's the electrical index of using that this pulse signal send single-chip microcomputer to add up after summation is processed, and deposits in storer.When needs are checked meter, each user is transferred to monitoring host computer with electrical index by GPRS module.
Described multi-user's electric energy acquisition terminal also comprises keyboard and display screen, and the signal input part of described display screen is connected with the signal output part of described serial port switch, and the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer.In described multi-user's electric energy acquisition terminal, be provided with RFID electronic tag.The position of user's electric energy acquisition terminal and numbering are input to RFID label, by rfid system in software accurately and timely position and the numbering of user's electric energy acquisition terminal.
Claims (3)
1. multi-user's electric energy acquisition terminal, it is characterized in that: comprise a plurality of ammeters, a plurality of voltage transformer (VT), a plurality of current transformers, multi-channel switch, Power arithmetic device, voltage-frequency converter, single-chip microcomputer, serial port switch, GPRS module and storer, described in each, the signal output part of ammeter is connected with corresponding current transformer and the signal input part of voltage transformer (VT) respectively, described current transformer is connected with the signal output part of described inductance mutual inductor and the signal input part of described multi-channel switch, the signal input part that the signal output part of described multi-channel switch is connected with described Power arithmetic device connects, the signal output part of described Power arithmetic device is connected with the signal input part of described voltage-frequency converter, the signal output part of described voltage-frequency converter is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer respectively with the signal input part of described multi-channel switch, the signal input part of serial port switch and then the signal input part of storer connect, the signal output part of described serial port switch is connected with the signal input part of described GPRS module respectively.
2. multi-user's electric energy acquisition terminal according to claim 1, it is characterized in that: described multi-user's electric energy acquisition terminal also comprises keyboard and display screen, the signal input part of described display screen is connected with the signal output part of described serial port switch, and the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer.
3. multi-user's electric energy acquisition terminal according to claim 1, is characterized in that: in described multi-user's electric energy acquisition terminal, be provided with RFID electronic tag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280306.8A CN103575978A (en) | 2012-08-08 | 2012-08-08 | Multi-user electricity collecting terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280306.8A CN103575978A (en) | 2012-08-08 | 2012-08-08 | Multi-user electricity collecting terminal |
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| CN103575978A true CN103575978A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210280306.8A Pending CN103575978A (en) | 2012-08-08 | 2012-08-08 | Multi-user electricity collecting terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330099A (en) * | 2014-09-05 | 2015-02-04 | 浙江利尔达物联网技术有限公司 | Inductance sensing type data acquisition apparatus and acquisition method |
| CN110045314A (en) * | 2019-04-08 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of data transmission method and system for mutual inductor operation data progress online acquisition |
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| CN2192889Y (en) * | 1994-05-27 | 1995-03-22 | 车仁生 | Automatic copytype intelligence watt-hour meter for multi-house centralized measuring |
| CN1030153C (en) * | 1992-11-20 | 1995-10-25 | 深圳华仪电子器材有限公司 | Electronic numerical controlled watt-hour meter |
| CN102128978A (en) * | 2010-01-20 | 2011-07-20 | 华北电网有限公司 | Energy consumption metering system supporting two-way communication |
| CN202948546U (en) * | 2012-08-08 | 2013-05-22 | 成都博课启睿科技有限公司 | Multi-user electric energy acquisition terminal |
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2012
- 2012-08-08 CN CN201210280306.8A patent/CN103575978A/en active Pending
Patent Citations (4)
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| CN1030153C (en) * | 1992-11-20 | 1995-10-25 | 深圳华仪电子器材有限公司 | Electronic numerical controlled watt-hour meter |
| CN2192889Y (en) * | 1994-05-27 | 1995-03-22 | 车仁生 | Automatic copytype intelligence watt-hour meter for multi-house centralized measuring |
| CN102128978A (en) * | 2010-01-20 | 2011-07-20 | 华北电网有限公司 | Energy consumption metering system supporting two-way communication |
| CN202948546U (en) * | 2012-08-08 | 2013-05-22 | 成都博课启睿科技有限公司 | Multi-user electric energy acquisition terminal |
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| 李卫东 等: "多用户电能采集终端的研制", 《电力自动化设备》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330099A (en) * | 2014-09-05 | 2015-02-04 | 浙江利尔达物联网技术有限公司 | Inductance sensing type data acquisition apparatus and acquisition method |
| CN104330099B (en) * | 2014-09-05 | 2016-08-24 | 浙江利尔达物联网技术有限公司 | A kind of inductance vicarious data acquisition unit and acquisition method thereof |
| CN110045314A (en) * | 2019-04-08 | 2019-07-23 | 中国电力科学研究院有限公司 | A kind of data transmission method and system for mutual inductor operation data progress online acquisition |
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Application publication date: 20140212 |