CN2822005Y - Low voltage intelligent anti-theft metering box - Google Patents
Low voltage intelligent anti-theft metering box Download PDFInfo
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- CN2822005Y CN2822005Y CN 200520085958 CN200520085958U CN2822005Y CN 2822005 Y CN2822005 Y CN 2822005Y CN 200520085958 CN200520085958 CN 200520085958 CN 200520085958 U CN200520085958 U CN 200520085958U CN 2822005 Y CN2822005 Y CN 2822005Y
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Abstract
The utility model provides a low voltage intelligent anti-theft metering box, which includes a master station part and a child station part. A front-end processor of the master station part is connected with a wireless communication part to complete datum collection and controlling operation of a switch, and the collected datum are stored in a data server and a WEB server. The WEB server completes issuance of the datum on the INTERNET or local area networks, and the data server is connected with multiple NT workstations. The NT workstation completes an analyzing function of alarming datum, prepaid quantity of electricity and power consumption datum; ametering section of the electricity energy of the child station completes measurement of metering of electricity energy, current, voltage, power, power factors; a datum collection processing section completes analysis and storage of abnormal states of each power utilization; a controlling section completes opening-closing brake operation of the switch, and a wireless communication part completes a transmission function of all datum. Main applications of the low voltage intelligent anti-theft metering box are to monitor an operational situation of an electrical transformer and measure the power consumption of the transformer.
Description
(1) technical field:
The utility model relates to a kind of electronic monitoring equipment, the metering of specifically a kind of distribution line that is applicable to low pressure 220V/380V, special use, public distribution transformer, electricity bill control, load control, transformer loss calculating, multiplexing electric abnormality monitoring and information gathering make distribution transformer operate in safety, reliable, economy, high-quality, the low-voltage intelligent anti-theft measuring pocket under the state efficiently.
(2) background technology:
Data acquisition for electric energy, reasonable distribution power load, in time collect the electricity charge, stop or find that in time multiplexing electric abnormality and safety utilization of electric power are the groundworks of power supply management, also be simultaneously that power supply department needs timely grasp and solution but a masty difficult problem.
At present, though there are multiple electric energy measurement instrument or metering device to have data acquisition function, and also have pre-payment or power network monitoring function.But, they only have measurement data acquisition, though there is the function of monitoring alarm also relatively single, long-range (as utilizing the GPRS wireless public network) pre-payment is promptly imported metering device immediately by microcomputer and is also printed the charge invoice and have the product also not discovery at present that transformer loss is calculated after user's the electricity charge are received in the business hall.And part low-temperature measurement product only has the infrared copy meter function, monitors multiplexing electric abnormality in real time, the management of power use of increasing work efficiency, tighten security is not known where to begin especially.Patent documentation by retrieval, 02102131.7), wireless power automated management system bidirectional terminal device (application number: 94240985.X) and the signal pickup assembly (application number: 01274653.3) of electric power networks terminal finds three pieces of pertinent literatures: remote data monitoring system for kilowatt-hour meters (application number:, though they have his own strong points, but have differently significantly with technical characterictic of the present utility model, function also has evident difference.
(3) summary of the invention:
Technical assignment of the present utility model is at the deficiencies in the prior art, offer the wireless metering of a kind of practicality of power supply management department, charge, transformer loss is calculated, the low-voltage intelligent anti-theft measuring pocket of multiplexing electric abnormality monitoring management terminal, this product can be finished electric energy metrical simultaneously, remote data is gathered, remote control switch, long-range pre-payment, the various multiplexing electric abnormalities of monitoring (have a power failure in real time, incoming call, the electric current and voltage negative phase sequence, overvoltage, decompression, overcurrent, defluidization, the limit switch door, three-phase imbalance, the CT short circuit, excess load, electrical energy meter fault etc.) monitoring and 5,10,15,20,25,30, the 60 equi-time points electric weight of gaining merit, capacity of idle power, three-phase current, three-phase voltage, active power, reactive power, the electrical energy consumption analysis of power factor etc. can further improve the power supply management level.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model comprises main website part and substation part.
Wherein, main website partly is made up of data server, WEB server, front end processor, switches/hubs, more than one work station, wireless communication section, part of data acquisition, warning audio amplifier and printer.
The substation part is made up of electrical energy metering part, data acquisition process part, control section, wireless communication section, stand-by power supply etc.
Data metering section in the substation is made up of current transformer and multifunctional electric energy meter.
Data acquisition process in the substation partly is made up of host scm, data storage, data latches, 485 change-over circuits, rectification filtering voltage stabilizing circuit, analog to digital converter, NAND gate etc.
Control section in the substation is made up of host scm, diode, triode, relay, A.C. contactor etc.
Wireless communication section is made up of GPRS/CDMA module or data radio station, antenna etc.
Its annexation is as follows:
The main website part is formed a small-sized local area network (LAN) by switches/hubs with data server, front end processor, WEB server and more than one work station, front end processor connects part of data acquisition (as GPRS/CDMA module, wireless digital broadcasting station etc.) and finishes remote data acquisition, and the WEB server connects INTERNET or infield local area network (LAN) and realizes that online data issue browses.Work station connects the warning audio amplifier, printer is finished audio alert and report printing function.The annexation of substation electric energy metrical part is that 3 * 220V/380V power supply and current transformer connect multifunctional electric energy meter, 3 * 220V/380V power supply provides direct current+5V power supply for master and slave single-chip microcomputer and peripheral circuit thereof through the step-down rectifier filter regulator circuit, and the data of electric energy meter connect 485 change-over circuits through host scm and connect the transmission that multifunctional electric energy meter is finished data.The chamber door state of substation, on off state, stand-by state four condition altogether link to each other with host scm through analog to digital conversion circuit.The switch control of substation is finished by host scm connection triode, diode, relay, A.C. contactor.The storage of substation by host scm connect data latches, data storage is finished.The data acquisition of substation is by finishing from Single-chip Controlling GPRS/CDMA digital transmission module that host scm connects.
The communication system of this product adopts the wireless public network GPRS network or the wireless networks such as cdma network or wireless digital broadcasting station of China Mobile, long-range realization controlled in wireless and data acquisition process.
Low-voltage intelligent anti-theft measuring pocket of the present utility model compared with prior art, the beneficial effect that is produced is:
(1) this product can be gathered the ruuning situation of each distribution transformer and the power consumption of low-voltage distributing line timely and accurately, and to each low-voltage distributing line instantaneous flow electric current, voltage, power, power factor, multiplexing electric abnormality information (has a power failure, incoming call, the electric current and voltage negative phase sequence, overvoltage, decompression, overcurrent, defluidization, the limit switch door, three-phase imbalance, the CT short circuit, excess load, electrical energy meter fault etc.) etc. monitor in real time, and low tension switch (A.C. contactor) carried out Long-distance Control, and the data and the analysis data of remote collection in time can be published on the WEB server, pass through local area network (LAN), INTERNET carries out browsing data, long-range pre paid functionality is by three grades of controls of authority, arbitrary permission error surpass three times then single-chip microcomputer block automatically, and active alert notice main station system, the main station system of after the forward purchasing electricity charge are less than early warning numerical value, initiatively reporting to the police, but automatic control switch disconnects or carries out the negative computing when the forward purchasing electricity charge are zero, all can set as requested.
(2) according to stopping the incoming call time, can calculating the loss of transformer greater than transformer loss table less than the state of electric energy meter starting current and national regulation.
(3) do not finish above function by the wireless public network GPRS/CDMA network of China Mobile with not being subjected to distance limit, or in 20 kilometers scope, realize above function by wireless digital broadcasting station, increase work efficiency, reduce human error, in time find multiplexing electric abnormality, for stopping illegal electricity consumption, improving management of power use automatization level and provide scientific and effective data to guarantee.
(4) description of drawings:
Accompanying drawing 1 is chief component of the present utility model and master, substation fundamental diagram;
Accompanying drawing 2 is the workflow diagram of substation;
Accompanying drawing 3 is the fundamental diagram of data acquisition control part in the substation.
Among the figure, 1-data server, 2-WEB server, the 3-front end processor, 4-switches/hubs, 5-NT work station, the 6-wireless communication section, 7-part of data acquisition, 8-warning audio amplifier, the 9-printer, 10-multifunctional electric energy meter, 11-host scm, the 12-data storage, 13-data latches, 14-485 change-over circuit, 15-step-down rectifier filter regulator circuit, the 16-D/A converting circuit, 17-is from single-chip microcomputer, the 18-relay, 19-A.C. contactor, 20-GPRS/CDMA module, 21-data radio station module, the 22-diode, 23-triode, 24-NAND gate, 25-resistance, the CT1-current transformer, the CT2-current transformer, the mutual inductance of CT3-electric current.
(5) embodiment:
Explain below below in conjunction with accompanying drawing 1-3 low-voltage intelligent anti-theft measuring pocket of the present utility model being done.
Low-voltage intelligent anti-theft measuring pocket of the present utility model, its structure comprise main website part and substation part.
As shown in Figure 1, main website partly is made up of data server 1, WEB server 2, front end processor 3, switches/hubs 4, more than one nt workstation 5, wireless communication section 6, part of data acquisition 7, warning audio amplifier 8 and printer 9.
Main website partly passes through switches/hubs 4 with data server 1, front end processor 3, WEB server 2 and more than one work station 5 are formed a small-sized local area network (LAN), front end processor 3 connects part of data acquisition 7 as the GPRS/CDMA module, wireless digital broadcasting station etc., finish whole remote data acquisition by the GPRS/CDMA wireless public network, front end processor 3 by local area network (LAN) with the deposit data of gathering large database SQL-server to data server 1 and WEB server 2, data server 1 is connected with a plurality of nt workstations 5 by switches/hubs 4 with WEB server 2, WEB server 2 connects INTERNET or infield local area network (LAN) and realizes that online data issue browses, and nt workstation 5 connects warning audio amplifiers 8, printer 9 is finished audio alert and report printing function.
As shown in Figure 2, the substation part is made up of electrical energy metering part, data acquisition process part, control section, wireless communication section, stand-by power supply etc.
Electrical energy metering in the substation partly is made up of current transformer CT1, CT2, CT3 and electric multi-functional electric energy meter 10.
Data acquisition process in the substation partly is made up of host scm 11, data storage 12, data latches 13,485 change-over circuits 14, step-down rectifier filter regulator circuit 15, D/A converting circuit 16, NAND gate 24.
Control section in the substation is made up of host scm 11, diode 22, triode 23, relay 18, A.C. contactor 19 etc.
Wireless communication section is made up of GPRS/CDMA module 20 or data radio station module 21.
The annexation of substation electrical energy metering part is 3 * 220V/380V power supply and current transformer CT1, CT2, a CT3 electric multi-functional electric energy meter 10 in parallel respectively, 3 * 220V/380V power supply provides direct current+5V power supply for host scm 11 and peripheral circuit thereof through step-down rectifier filter regulator circuit 15, and the data of electric multi-functional electric energy meter 10 connect 485 change-over circuits 14 through host scm 11 and connect the transmission that electric multi-functional electric energy meter 10 is finished data.The chamber door state of substation, on off state, stand-by state four condition altogether link to each other with host scm 11 through analog to digital conversion circuit 16.The switch control of substation is finished by host scm 11 connection diodes 22, triode 23, relay 18, A.C. contactor 19.The storage of substation is finished by host scm 11 connection data latches 13, data storage 12.The data acquisition of substation is by finishing from single-chip microcomputer 17 control GPRS/CDMA modules 20 that host scm 11 connects.
Low-voltage intelligent anti-theft measuring pocket of the present utility model is applicable to low-voltage supply line, and the terminal collecting part of substation does not adopt voltage transformer, only adopts current transformer.
Low-voltage intelligent anti-theft measuring pocket of the present utility model, wireless networks such as the wireless public network GPRS/CDMA network of its wireless communication section employing commmunication company or wireless digital broadcasting station, long-range realization controlled in wireless and data acquisition process.
Low-voltage intelligent anti-theft measuring pocket of the present utility model, can realize following function:
1) electric energy metrical: as shown in Figure 2,, finish the measurement of instantaneous flows such as electric current, voltage, power, power factor simultaneously by the metering that electric multi-functional electric energy meter 10 and CT1, CT2, CT3 finish the transformer consumed power.
2) data storage function: shown in accompanying drawing 2,3, host scm 11 links to each other with electric multi-functional electric energy meter 10 by 485 change-over circuits 14, link to each other with data storage 12 by data latches 13, press preset time at interval 5,10,15,20,25,30,60 etc. with deposit data such as the meritorious electric weight of electric energy meter, no function electric weight, three-phase voltage, three-phase current, active power, reactive power, power factors to data storage.
3) long-range pre paid functionality: each substation is by front end processor 3; wireless public network; the GPRS/CDMA module 20 of substation; from single-chip microcomputer 17; host scm 11; data storage 12 can be provided with a unique user number to the substation; device number; three-level protective authorities such as cryptographic algorithm; has only the data storage 13 that the electric weight of forward purchasing could be stored in the substation smoothly by above three grades of authorities; as occur three mistakes then host scm 11 block automatically and initiatively report to the police to main website; finish the forward purchasing electric weight like this, the electric weight of host scm 11 by reading electric multi-functional electric energy meter 10 metering and forward purchasing electric weight relatively finish pre paid functionality.
4) multiplexing electric abnormality monitoring function: shown in accompanying drawing 2,3, host scm 11 stores the normal status words of information (as 1) such as the electric current of multifunctional electric energy meter 10, voltage, overvoltage, decompression, overcurrent, defluidization in the E2PROM of host scm 11 into by 485 change-over circuits 14, and constantly read above status word (as being spaced apart 30s), when unusual (as 0) takes place status word, then initiatively report (passing through GPRS network) to finish real time monitoring function to main station system.
5) calculating of transformer loss: by monitoring multiplexing electric abnormality information, have a power failure, incoming call, measure the loss of transformer by the work station of main station system less than electric energy meter starting current state, greater than the transformer loss table of the electric flux of the state of electric multi-functional electric energy meter 10 starting currents and electric multi-functional electric energy meter 10 meterings and national regulation.
6) monitoring of terminal chamber door, on off state etc.: as shown in Figure 3, host scm 11 is finished the judgement of chamber door state by NAND gate 24, resistance 25 etc. and is stored in the E2PROM of host scm 11, the judgement of 4 tunnel remote signalling states such as on off state is identical with the chamber door state, when state changes with the state of E2PROM storage when inequality, the substation initiatively reports (passing through GPRS network) to finish real time monitoring function to main station system.
7) divide-shut brake control switch function: send the breaking-closing operating instruction by main station system, be passed to the GPRS module of substation by wireless public network, the GPRS module is by from single-chip microcomputer 17 to host scm 11, host scm 11 control triodes 23, relay 18 are sent the divide-shut brake signal, finish breaking-closing operating by relay 18, A.C. contactor 19.
Claims (3)
1, low-voltage intelligent anti-theft measuring pocket comprises main website part and substation part, it is characterized in that:
The main website part is made up of data server, WEB server, front end processor, switches/hubs, more than one nt workstation and wireless communication section and part of data acquisition;
The substation part then is to be grouped into by electrical energy metering part, data acquisition process part, control section, wireless communication part; Electrical energy metering part in the part of substation is made up of multifunctional electric energy meter, current transformer CT1, CT2, CT3; Data acquisition process part in the part of substation is made up of step-down rectifier filter regulator circuit, host scm, data latches, data storage, 485 change-over circuits, analog to digital conversion circuit, NAND gate, triode, diode, electric capacity, GPRS/CDMA module; Control section in the part of substation is made up of host scm, diode, triode, relay, A.C. contactor; Wireless communication section is made up of GPRS/CDMA module or data radio station module and antenna;
Its annexation is as follows:
1) the main website part is formed a small-sized local area network (LAN) by switches/hubs with data server, front end processor, WEB server and more than one nt workstation, front end processor connects part of data acquisition and finishes remote data acquisition, the WEB server connects INTERNET or infield local area network (LAN) and realizes that online data issue browses, and work station connects the warning audio amplifier, printer is finished audio alert and report printing function;
2) annexation of the electrical energy metering of substation part part is that 3 * 220V/380V power supply and current transformer CT1, CT2, CT3 connect multifunctional electric energy meter, 3 * 220V/380V power supply provides direct current+5V power supply for host scm and peripheral circuit thereof through the step-down rectifier filter regulator circuit, and the data of multifunctional electric energy meter connect 485 change-over circuits through host scm and connect the transmission that multifunctional electric energy meter is finished data; The chamber door state of substation, on off state, standby two condition four condition altogether link to each other with host scm through analog to digital conversion circuit, and the switch control of substation is finished by host scm connection triode, diode, relay, A.C. contactor; The storage of substation by host scm connect data latches, data storage is finished; The data acquisition of substation is by finishing from Single-chip Controlling GPRS/CDMA digital transmission module that host scm connects.
2, low-voltage intelligent anti-theft measuring pocket according to claim 1 is characterized in that, this product is applicable to low-voltage supply line, and the terminal collecting part of substation does not adopt voltage transformer, only adopts current transformer.
3, low-voltage intelligent anti-theft measuring pocket according to claim 1 is characterized in that, the wireless public network GPRS/CDMA network of the wireless communication section employing commmunication company of this product is as the passage that transmits data or adopt wireless digital broadcasting station as transmission channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085958 CN2822005Y (en) | 2005-08-05 | 2005-08-05 | Low voltage intelligent anti-theft metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085958 CN2822005Y (en) | 2005-08-05 | 2005-08-05 | Low voltage intelligent anti-theft metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2822005Y true CN2822005Y (en) | 2006-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520085958 Expired - Fee Related CN2822005Y (en) | 2005-08-05 | 2005-08-05 | Low voltage intelligent anti-theft metering box |
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|---|---|
| CN (1) | CN2822005Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909326B (en) * | 2005-08-05 | 2010-12-29 | 万达集团股份有限公司 | Low-voltage intelligent anti-theft measuring pocket |
| CN109507536A (en) * | 2018-12-12 | 2019-03-22 | 国家电网有限公司 | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment |
-
2005
- 2005-08-05 CN CN 200520085958 patent/CN2822005Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909326B (en) * | 2005-08-05 | 2010-12-29 | 万达集团股份有限公司 | Low-voltage intelligent anti-theft measuring pocket |
| CN109507536A (en) * | 2018-12-12 | 2019-03-22 | 国家电网有限公司 | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment |
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| 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 |