CN201707374U - Extensive intelligent energy meter with functions of polling management and prevention of electricity stealing by opening case - Google Patents
Extensive intelligent energy meter with functions of polling management and prevention of electricity stealing by opening case Download PDFInfo
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- CN201707374U CN201707374U CN2010202420442U CN201020242044U CN201707374U CN 201707374 U CN201707374 U CN 201707374U CN 2010202420442 U CN2010202420442 U CN 2010202420442U CN 201020242044 U CN201020242044 U CN 201020242044U CN 201707374 U CN201707374 U CN 201707374U
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- 230000005611 electricity Effects 0.000 title abstract description 3
- 230000002265 prevention Effects 0.000 title abstract 2
- 238000007689 inspection Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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Abstract
The utility model discloses an extensive intelligent energy meter with the functions of polling management and prevention of electricity stealing by opening a case, which comprises a main MCU module of the energy meter. A signal input end of the main MCU module is connected with a single chip microcomputer extended function module via a photoelectric isolation device and a UART bus, a signal input end of the single chip microcomputer expanded function module is respectively connected with a case opening detection stroke switch and an information button via idle tripping terminals of the energy meter, and the information button is connected with the tripping terminal via a 1-wire bus. The extensive intelligent energy meter realizes detection, alarming and polling management of opening and closing of the energy meter by using network communication capacity and data processing capacity of the intelligent energy meter, requires no additional detection and communication equipment inside the energy meter, simplifies equipment and installation and maintenance of the equipment, and saves cost.
Description
Technical field
The utility model relates to a kind of intelligent electric energy meter that is used for State Grid Corporation of China's low-voltage power user electric energy metrical and management, the electric energy metrical and the management of power use technical field that belong to power industry particularly have anti-stealing and the inspection management function expansion type intelligent electric energy meter of unpacking.
Background technology
For a long time, exist by illegally opening the phenomenon that electricity distributing and metering case (ammeter box) carries out stealing always.At this phenomenon, the intelligent electric meter case product that much prevents stealing is arranged on the market.In order to realize dynamic monitoring and response in time, all need to dispose microcomputer monitoring and communication facilities in these intelligent anti-electricity-theft ammeter boxes, its defective is that expense is very high on the one hand, increases these smart machines itself on the other hand and has also increased device category, has increased the link of safeguarding of power supply department.
In addition, (check meter, patrol and examine, metering etc.) all might open batch meter because a plurality of functional departments of power supply department, and power supply department also has the unlatching of pair electric energy metering box and the demand that the personnel of unpacking carry out record management.Product at this demand is also arranged on the market, but that the defective of this series products is an expense is higher, simple and practical inadequately.
Summary of the invention
Open the electric energy meter batch meter at utilization and carry out the demand that the phenomenon of stealing and power supply department manage the unlatching of batch meter, the utility model provides a kind of anti-stealing and inspection management function expansion type intelligent electric energy meter of unpacking that have, the functions such as personal identification that can realize the unlatching of batch meter monitored, writes down, unpacks, the phenomenon of stopping illegally to open batch meter takes place.
The purpose of this utility model is achieved in that a kind of anti-stealing and inspection management function expansion type intelligent electric energy meter of unpacking that have, the main MCU module that comprises electric energy meter, the signal input part of main MCU module is connecting the single-chip microcomputer extended function module by photoelectric isolating device and UART bus, the signal input part of single-chip microcomputer extended function module is connecting a unpacking travel switch and the information button of detecting respectively by the free time tripping operation terminal of electric energy meter, and wherein the information button links to each other with said tripping operation terminal by the 1-wire bus.
When the utility model uses, detect casing and the chamber door place that travel switch is installed in batch meter with unpacking.Comprise special-purpose extended function module in the extended pattern intelligent electric energy meter, the core of extended function module is an AVR series super low-power consumption ATtiny13A single-chip microcomputer.Extended function module communicates with electric energy meter master MCU after photoelectricity is isolated internally by the UART bus, transmits batch meter folding condition, unpacking personnel identity, LCD message command and information such as content, sound and light warning to main MCU; Externally, by the tripping operation terminal of electric energy meter free time, utilize 1-Wire bus and external unit to carry out message exchange; By the software processes of extended function module, the tripping operation terminal uses as a way switch amount input signal channel simultaneously.
The extended pattern intelligent electric energy meter detects the information button (iButton) that is used to identify unpacking personnel identity by the tripping operation terminal.Extended function module reads 64 information of information button by the 1-Wire bus protocol, and carries out CRC check, after verification is passed through, by the UART bus identity identification information is delivered to main MCU; Main MCU is presented at information on the LCD, and relevant information is kept in the solid state medium.
The extended pattern intelligent electric energy meter detects the folding condition of batch meter by the tripping operation terminal.Extended function module is gathered the input state of batch meter travel switch, when the batch meter folding condition changes, by the UART bus corresponding information is delivered to main MCU; Main MCU is presented at information on the LCD, and relevant information is kept in the solid state medium.
Proprietary extensions functional module embedded software realizes the signal multiplexing of tripping operation terminal by the programmed method of FSM finite state machine: the terminal that will trip is simultaneously as 1-Wire bus signals terminal and switching value input signal terminal.The core thinking is that the duty with extended function module is decomposed into " unpack and detect attitude " and " information button reads attitude ", embedded software makes extended function module can be in correct mode of operation according to the level state of tripping operation terminal and the transfer that the work at present state comes state of a control.
The extended pattern intelligent electric energy meter produces the illegal warning message of unpacking according to gauging table case folding condition and identity information identification situation.In designated time after electric energy meter table case is opened,, then can trigger warning: the time of record alert event and generation if do not collect effective identity information; The event flag position (module number of pins 10) of electric energy meter carrier interface is changed to high level; LCD alarm indication and the indication of LED light.
The extended pattern intelligent electric energy meter is expanded multifunctional electric energy meter communication protocol DL/T-645 2007 predetermined data sign, increase " table case state " data identifier, supported the power information acquisition system that the reading of unlatching, warning and unpacking identity information of gauging table case called.The marketing application software of cooperated power supply department can realize real-time dynamic monitoring, warning and the inspection management of batch meter, can effectively stop by opening the phenomenon of batch meter stealing.
Made full use of the utility model intelligent electric energy meter self networks communication capacity and data-handling capacity have realized detection, warning and the inspection management of batch meter folding, need in batch meter, not increase extra detection and communication facilities, stop illegally to open the phenomenon generation of batch meter, simplified equipment and installation and maintenance thereof, provided cost savings.
Description of drawings
Fig. 1 is a syndeton block diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model extended function module;
Fig. 3 is the interface circuit schematic diagram of the utility model extended function module and electric energy meter main circuit.
Embodiment
A kind of have anti-stealing and an inspection management function expansion type intelligent electric energy meter of unpacking, as Fig. 1, Fig. 2, shown in Figure 3, the main MCU module 9 that comprises electric energy meter, the signal input part of main MCU module 9 is connecting single-chip microcomputer extended function module 6 by photoelectric isolating device 8 and UART bus 7, the signal input part of single-chip microcomputer extended function module 6 is connecting a unpacking travel switch 3 and the information button 2 of detecting respectively by the free time tripping operation terminal 5 of electric energy meter, and information button 2 models are DS1990A.Wherein information button 2 links to each other with said tripping operation terminal 5 by 1-wire bus 4.The detection travel switch 3 of unpacking is installed in batch meter 1 casing and chamber door place.As shown in Figure 3, sequence number 12 is the interface of extended function module 6, and sequence number 8 is a photoelectric isolating device.Wherein KM-TXD is the TXD output signal end of extended function module 6, and KM-RXD is the RXD input signal end of extended function module, and KM-CTRL is 485 control output signal ends of extended function module 6.
As shown in Figure 2, AVR single-chip microcomputer 10 is responsible for communication, switch acquisition and data processing, and triode T10 is used for the single-chip microcomputer delivery outlet is expanded to OC output to satisfy the electrical specification requirement of 1-Wire bus, and what link to each other with the tripping operation terminal is splicing ear 11.The contact of travel switch 3 (two lines) is connected on the tripping operation terminal 5 of electric energy meter.When the table case was closed, travel switch 3 was in normally off, and travel switch 3 was in normally open when the table case was opened.The contact of information button 2 also is connected on the tripping operation terminal 5 of electric energy meter, and is in parallel with the contact of travel switch 3, shared tripping operation terminal 5.
The extended function module 6 of electric energy meter has an input port and delivery outlet respectively, is connected to simultaneously on the tripping operation terminal 5.Under original state and idle condition, the delivery outlet function is invalid, and 5 of terminals of tripping operation use as input port.
The extended function module 6 of electric energy meter detects the input state of tripping operation terminal 5 constantly.When detecting tripping operation terminal 5 when being in low level state, think that then the travel switch 3 of gauging table case cuts out, extended function module 6 is not done further action, continues the level state of cycle detection tripping operation terminal 5, and this state is defined as " unpack and detect " state.
When detecting tripping operation terminal 5 for high level, think that then the table case is opened, extended function module 6 starts the process of " information button reads ", and program is in " information button reads " state.
Under " unpack and detect " state, be opened if detect table case 1, then the highlighted display reminding information of electric energy meter is pointed out insertion information button 2, and program enters " information button reads " state simultaneously.Under " information button reads " state, do not show the case status detection.If the table case is closed in the process of carrying out " information button reads ", the information that then reads will can't pass CRC check, can not cause and misread.
In the process that reads information button 2, if detect access less than information button 2 all the time, then program will be in " information button reads " state always, up to having information button 2 to insert or table case 1 is closed the process that just can finish " information button reads ".Correctly whether whether the information that no matter reads (promptly passing through CRC check), and program all can be got back to " unpack and detect " state.
Under " information button reads " state, if table case 1 is closed, the information of then reading is 0 all, can't pass the CRC check, and program withdraws from " information button reads " state, gets back to " unpack and detect " state.
Under " information button reads " state, program is carried out read operation according to the sequential of information button DS1990A regulation.
It is as follows that the utility model electric energy meter is patrolled and examined process: 1, the inspector opens table case 1, and electric energy meter detects travel switch 3 and opens, and makes the highlighted prompting of electric energy meter: row authentication that come in! 2, the inspector inserts information button 2, and success or failure are read in the electric energy meter demonstration.If 3 at the appointed time, electric energy meter does not read effective identity information, and then electric energy meter produces alert event: " incident " terminal of carrier interface is changed to effectively; Record type of alarm and the time of reporting to the police and taking place; Send sound and light alarm by LED and hummer.
Claims (1)
1. one kind has anti-stealing and the inspection management function expansion type intelligent electric energy meter of unpacking, the main MCU module that comprises electric energy meter, it is characterized in that: the signal input part of main MCU module is connecting the single-chip microcomputer extended function module by photoelectric isolating device and UART bus, the signal input part of single-chip microcomputer extended function module is connecting a unpacking travel switch and the information button of detecting respectively by the free time tripping operation terminal of electric energy meter, and wherein the information button links to each other with said tripping operation terminal by the 1-wire bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202420442U CN201707374U (en) | 2010-06-30 | 2010-06-30 | Extensive intelligent energy meter with functions of polling management and prevention of electricity stealing by opening case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202420442U CN201707374U (en) | 2010-06-30 | 2010-06-30 | Extensive intelligent energy meter with functions of polling management and prevention of electricity stealing by opening case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707374U true CN201707374U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202420442U Expired - Lifetime CN201707374U (en) | 2010-06-30 | 2010-06-30 | Extensive intelligent energy meter with functions of polling management and prevention of electricity stealing by opening case |
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| CN (1) | CN201707374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053935A (en) * | 2016-06-08 | 2016-10-26 | 贵州电网有限责任公司电力科学研究院 | Double-MCU scheme building-block application program upgradeable intelligent ammeter |
| CN109406872A (en) * | 2018-10-29 | 2019-03-01 | 华立科技股份有限公司 | Detect the method and apparatus that Data Identification is expanded in electric energy meter private |
-
2010
- 2010-06-30 CN CN2010202420442U patent/CN201707374U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053935A (en) * | 2016-06-08 | 2016-10-26 | 贵州电网有限责任公司电力科学研究院 | Double-MCU scheme building-block application program upgradeable intelligent ammeter |
| CN109406872A (en) * | 2018-10-29 | 2019-03-01 | 华立科技股份有限公司 | Detect the method and apparatus that Data Identification is expanded in electric energy meter private |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINJIANG ELECTRIC POWER INFORMATION COMMUNICATION Free format text: FORMER OWNER: BEIJING COOPERATIVE SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20130304 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: XINJIANG NEW ENERGY INFORMATION COMMUNICATION CO., LTD. Effective date: 20130304 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 830026 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130304 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Xinjiang Electric Power Information Communication Co., Ltd. Patentee after: Beijing Hezhong Purui Technology Co., Ltd. Address before: 830026 new energy building, 5 Guangzhou Road, the Xinjiang Uygur Autonomous Region, Urumqi Patentee before: Xinjiang Xinneng Information Communication Co., Ltd. Patentee before: Beijing Hezhong Purui Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: INFORMATION COMMUNICATION COMPANY STATE GRID XINJI Free format text: FORMER OWNER: XINJIANG ELECTRIC POWER INFORMATION COMMUNICATION LLC BEIJING COOPERATIVE SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20140925 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140925 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: INFORMATION & TELECOMMUNICATION COMPANY OF STATE GRID XINJIANG ELECTRIC POWER COMPANY Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Xinjiang Electric Power Information Communication Co., Ltd. Patentee before: Beijing Hezhong Purui Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
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| CX01 | Expiry of patent term |