CN2733484Y - Electronic carrier electric energy meter switched in infrared mode and infrared palm machine - Google Patents
Electronic carrier electric energy meter switched in infrared mode and infrared palm machine Download PDFInfo
- Publication number
- CN2733484Y CN2733484Y CN 200420090945 CN200420090945U CN2733484Y CN 2733484 Y CN2733484 Y CN 2733484Y CN 200420090945 CN200420090945 CN 200420090945 CN 200420090945 U CN200420090945 U CN 200420090945U CN 2733484 Y CN2733484 Y CN 2733484Y
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- electric energy
- circuit
- energy meter
- infrared
- carrier electric
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Abstract
The utility model discloses an electronic carrier electric energy meter switched in infrared mode and an infrared palm machine which can use the infrared mode to make the electronic carrier electric energy meter the situation lock at a certain distance. The electric energy meter comprises a power, a metering circuit, a MCU control circuit, a carrier communication circuit, a signal coupling circuit, a display circuit, a power failure detection circuit and an infrared communication interface which is externally connected on the MCU control circuit. The infrared palm machine comprises a MCU circuit, an infrared emission port and a programming serial port. The electronic carrier electric energy meter successfully avoids the delay of two ways from the data bank to the concentrator or from the concentrator to the terminal electric energy meter. The electronic carrier electric energy meter can quickly, accurately, safely and closely send the electricity to the electric energy meter and switch on site when the carrier communication is not successful.
Description
Technical field
The utility model relates to a kind of electronic type carrier electric energy meter.
Background technology
One of automatic data logging charging administration system major programme of resident's electric energy meter is made up of electronic type carrier electric energy meter, concentrator, channel and management host etc. at present; Adopt the low voltage power line carrier communication between electronic type carrier electric energy meter and the concentrator, adopt the telephone wire communication modes between concentrator and the management host at present.Characteristics such as the electronic type carrier electric energy meter has electric energy metrical accuracy height, the metering load range is wide, data communication is reliable, oneself power consumption is low, upgrading facility.Along with the large scale application of carrier meter reading system, the carrier wave remote monitoring and the low cost of control and the advantage of real-time display gradually, but some have also occurred at the peculiar problem of carrier wave simultaneously.As the user because after failing in time to purchase electricity and causing carrier wave remote outage control to start, the user is in case after power operation department or bank's network unit are paid dues, needing closes a floodgate immediately awards, but because the intrinsic delay of carrier meter reading/control system itself, promptly input to database from the information of paying the fees, to the concentrator that is sent to the user place, being issued to electric energy meter by the carrier Control order more finally realizes closing a floodgate and awards, might be because of power line interference cause the failure of closing a floodgate, wherein from the database to the concentrator and least definite to the delay of terminal electric energy meter two paths from concentrator.
The utility model content
Fail for remedying because of electric power disturbs the combined floodgate that causes, design a kind of with low cost and can be fast, safety close a floodgate exactly again and award the electronic type carrier electric energy meter of electricity, electronic type carrier electric energy meter and the on-the-spot infrared palm machine that closes a floodgate of the matching used with it electronic type carrier electric energy meter that with infrared mode available infrared mode is closed a floodgate in certain distance that the utility model provides a kind of available infrared mode to close a floodgate.Technical scheme is as follows.
Electronic type carrier electric energy meter and infrared palm machine thereof that available infrared mode closes a floodgate:
Carrier electric energy meter is made up of power supply, metering circuit, MCU control circuit, carrier communication circuit, signal coupling circuit, display circuit and power-fail detection circuit, an infrared communication interface is arranged on the MCU control circuit, can carry out data communication with infrared palm machine in certain distance by it, close a floodgate and award in the scene of realization; Wherein infrared palm machine is made up of MCU circuit, infrared communication interface and programming serial ports.
Preferably on the MCU of infrared palm machine circuit, also be circumscribed with storer.
Preferably on the MCU of carrier electric energy meter control circuit, also be circumscribed with storer (E
2PROM).To enlarge memory space.
Preferably on the MCU of carrier electric energy meter control circuit, also be circumscribed with clock circuit and temperature-compensation circuit, be specially adapted in some multi-functional or multi-rate electric energy meters, owing to the clock jitter that temperature variation causes can be repaiied standard by temperature-compensation circuit.
Preferably on the MCU of carrier electric energy meter control circuit, also be circumscribed with a state indication and sound light alarming circuit, in time purchase electricity, and the normal/abnormal running state of electric energy meter is had a understanding intuitively with in good time call user's attention.
Wherein, the display circuit in the carrier electric energy meter can use LCD demonstration, LED to show or the counter demonstration.Carrier communication circuit and metering circuit can be formed integrated unit with the MCU control circuit, also can be connected on outward on the MCU control circuit.
The compatibility of infrared palm machine: the user slaps the machine information transmission mode and follows part international standard among the ISO7816-3, and the user slaps the machine function upgrading or do not need the MCU control circuit program in the electric energy meter to be changed when increasing again like this.
Because the intervention of infrared palm machine, the electronic type carrier electric energy meter (comprising list, three-phase kilowatt-hour meter) that makes the described available infrared mode of the utility model close a floodgate is unsuccessful at carrier communication, and in the time of can not closing a floodgate, the user can close a floodgate by infrared palm machine is on-the-spot.Avoided the delay of two paths from the database to the concentrator or from the concentrator to the electric energy meter, recover to award electricity fast, safely, exactly, and this settling mode can too much not increase cost.
Again because what use is infrared palm machine, therefore thisly award electric combined floodgate mode and have contactless characteristics, have the incomparable advantage of traditional Contact Type Ic Card in the destructive attack of leakproofness, electrical separation and opposing malice.
Description of drawings
The on-the-spot combined floodgate of the infrared palm machine of Fig. 1 awarded the functional block diagram of electricity.
The infrared palm machine of Fig. 2 sends awards the electrical information synoptic diagram.
The electronic type carrier electric energy meter that Fig. 3 can close a floodgate with infrared mode and the functional block diagram of infrared palm machine thereof.
The control circuit figure of the infrared palm machine of Fig. 4.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
As shown in Figure 3, the electronic type carrier electric energy meter that concentrator and available infrared mode close a floodgate carries out bidirectional data communication with the 220V low tension wire as communication channel, and concentrator carries out bidirectional data communication by telephone wire or GPRS and counting cost by gas meter management system.When the user reaches zero in the charge calculation of the regulation electricity charge remaining sum of not paying dues in the date or prestore, send the concentrator of power off command by manual intervention to this user place, while is according to this user's who is stored in the database information, for example subscriber-coded, table number, unique ID, this user key of generating by master key or the like, generate a unique and key that be each random variation, and it is stored to recovers to award in the electric key database, simultaneously this key is sent in the concentrator at this user place.Award electric key with this recovery at concentrator when electric supply meter issues power off command and issue together, electric supply meter receives that awarding electric key with recovery after power off command is also confirmed is stored in the storer outage of operating a switch simultaneously.
When the user after power supply operation department or bank's network unit are paid dues, recovery is awarded electrical information and is written in the networking data storehouse, have after the department of recovering to award electric authority obtains this information, can automatic/manual intervention be sent to the user terminal ammeter by the concentrator order of will closing a floodgate, simultaneously recovery being awarded electric key takes out from the networking key database, the infrared ray that writes infrared palm machine is awarded in the electricity card and is taken back by user or special messenger, in the certain scope of distance ammeter, press and award telegraph key, transmit to ammeter and award electrical information.Infrared palm machine carries out data transmission by certain technical communication agreement and electric energy meter, simultaneously each cipher random, and the data of transmission are encrypted test mode (adding the DES algorithm).The user terminal ammeter is received the information after the demodulation of infrared ray detuner, award electric key encrypt data is decrypted operation with being stored in recovery in the storer, if the data layout after the deciphering is legal and verification is errorless (adopting CRC cyclic redundancy check (CRC) mode), award electric destination address and the identical (see figure 2) of the unique ID of ammeter simultaneously, then accept to award electrical information (energising of closing a floodgate), and on LED or LCD screen, show combined floodgate information, abrogate original recovery simultaneously and award the new recovery of when cutting off the power supply next time, resetting of electric key and award electric key.
If carrier wave is awarded electricity order and is awarded the electricity order and arrive (or infrared award have carrier wave to award the electricity order again behind the electricity arrive) prior to infrared, then only on LED or LCD screen, have suggestedly, can not do other any operation.In practice, also can be as required with power office commonly used as Thinpad-800 palm PC alternate user
The infrared palm machine when closing a floodgate at the scene, is finished manual metering, the scene is provided with operations such as parameter.
Claims (6)
1, the electronic type carrier electric energy meter of available infrared mode combined floodgate, its control circuit is made up of power supply, metering circuit, MCU control circuit, carrier communication circuit, signal coupling circuit, display circuit and power-fail detection circuit, it is characterized in that infrared communication interface that is connected on the MCU control circuit in addition outward.
2, the electronic type carrier electric energy meter of available infrared mode combined floodgate according to claim 1 is characterized in that also being circumscribed with storer on the MCU control circuit.
3, the electronic type carrier electric energy meter of available infrared mode combined floodgate according to claim 1 is characterized in that also being circumscribed with clock circuit and temperature-compensation circuit on the MCU control circuit.
4, the electronic type carrier electric energy meter of available infrared mode combined floodgate according to claim 1 is characterized in that also being circumscribed with a state indication and sound light alarming circuit on the MCU control circuit.
5, in certain distance, make the on-the-spot infrared palm machine that closes a floodgate of electronic type carrier electric energy meter, it is characterized in that it comprises MCU circuit, infrared emission mouth and programming serial ports with infrared mode.
6, the infrared palm machine that makes the on-the-spot combined floodgate of electronic type carrier electric energy meter in certain distance with infrared mode according to claim 5 is characterized in that also being circumscribed with on the MCU circuit storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090945 CN2733484Y (en) | 2004-10-12 | 2004-10-12 | Electronic carrier electric energy meter switched in infrared mode and infrared palm machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090945 CN2733484Y (en) | 2004-10-12 | 2004-10-12 | Electronic carrier electric energy meter switched in infrared mode and infrared palm machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733484Y true CN2733484Y (en) | 2005-10-12 |
Family
ID=35069324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420090945 Expired - Fee Related CN2733484Y (en) | 2004-10-12 | 2004-10-12 | Electronic carrier electric energy meter switched in infrared mode and infrared palm machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733484Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021159A (en) * | 2012-12-04 | 2013-04-03 | 宁夏隆基宁光仪表有限公司 | Method for automatically identifying carrier modules by concentrator based on WinCE system |
| CN110868398A (en) * | 2019-10-17 | 2020-03-06 | 北京全路通信信号研究设计院集团有限公司 | Data frame encryption method, data frame decryption method and data frame decryption device |
| CN116760475A (en) * | 2023-08-18 | 2023-09-15 | 青岛鼎信通讯股份有限公司 | Infrared signal communication circuit and method of intelligent electric energy meter |
-
2004
- 2004-10-12 CN CN 200420090945 patent/CN2733484Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021159A (en) * | 2012-12-04 | 2013-04-03 | 宁夏隆基宁光仪表有限公司 | Method for automatically identifying carrier modules by concentrator based on WinCE system |
| CN110868398A (en) * | 2019-10-17 | 2020-03-06 | 北京全路通信信号研究设计院集团有限公司 | Data frame encryption method, data frame decryption method and data frame decryption device |
| CN116760475A (en) * | 2023-08-18 | 2023-09-15 | 青岛鼎信通讯股份有限公司 | Infrared signal communication circuit and method of intelligent electric energy meter |
| CN116760475B (en) * | 2023-08-18 | 2023-12-08 | 青岛鼎信通讯股份有限公司 | Infrared signal communication circuit and method of intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20111012 |