CN201084214Y - A clavier split-type multifunctional prepayment electric energy meter - Google Patents
A clavier split-type multifunctional prepayment electric energy meter Download PDFInfo
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- CN201084214Y CN201084214Y CNU2007201121028U CN200720112102U CN201084214Y CN 201084214 Y CN201084214 Y CN 201084214Y CN U2007201121028 U CNU2007201121028 U CN U2007201121028U CN 200720112102 U CN200720112102 U CN 200720112102U CN 201084214 Y CN201084214 Y CN 201084214Y
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Abstract
The utility model relates to a detachable keyboard multifunctional prepayment watt-hour meter, comprising electric energy measuring assembly and keyboard type user operation component, which is characterized in that: the electric energy measuring assembly are wire or wireless connected with each other through communication interface units, the electric energy measuring assembly are based on a MCU micro control unit, a measuring unit, a memory unit, a relay control unit and a communication interface unit are arranged on the electric energy measuring assembly; the keyboard typed user operation component is based on a MCU micro control unit, a keyboard input unit, a display unit, an alarm unit, a communication interface unit and a memory unit are arranged on the keyboard typed user operation component; the electric energy measuring assembly are arranged out of the users houses, and the keyboard typed user operation component is arranged in the users houses. The utility model has the advantages of improving attack tolerant and anti-interference greatly, putting an end to the phenomenon that the users privately adapt to realized the purpose of stealing power effectively, and guaranteeing the energy not missing; continuing the merits of the integral keyboard typed watt-hour meter, requiring no physical medium when recharging, and having unease of being decoding or replicated, safety and convenience.
Description
Technical field
The utility model relates to a kind of electric energy meter, relates in particular to a kind of keyboard multifunctional split-type prepayment meter.
Background technology
Traditional electric energy meter that the before metering of electric energy meter is paid again develops into the IC-card electric energy meter of current trend again to coin-feed, magnetic card type electric energy meter, has passed through a series of differentiation, but all has such-and-such scarce limit.There is the loaded down with trivial details problem of " checking meter to the doorstep " in traditional electric energy meter that metering is earlier paid again.Though and the coin-feed electric energy meter that replaces has overcome this trouble, just find have the freezing one-tenth ice of human coin to drop into coin-box and also can start electric energy meter after being to use soon, get final product free electricity consumption, so this table just is eliminated soon.Then the magnetic card type electric energy meter rises, but has two fatal weakness: the life-span is short and be subject to interference, and easy loss of excitation.Replacing the IC-card electric energy meter occurred, but card inserting mouth is artificially attacked easily to the wide-open card inserting mouth of user because the IC-card electric energy meter has one, causes electric energy meter deadlock, data corruption, finally makes the charge system paralysis.Simultaneously, owing to be subjected to the restriction of cost, IC-card ammeter data transmission at present relies on the physical medium IC-card, and cost height not only, duplicates at easy crack, and need carry, and can cause a lot of inconvenience if lose.Performance, quality, security problems appear in the feasible IC-card prepayment meter of several years ago installing of these shortcomings large tracts of land, paralysis and the dismounting comprehensively that has.In order to overcome some defectives of above-mentioned electric energy meter, people have developed a kind of keyboard-type electric energy meter, though this electric energy meter has brought the technical renovation in the pre-paying kilowatt-hour meter field, but because this electric energy meter is all-in-one-piece, be metering section and keyboard supplement with money the part be installed in the same table, and supplement with money conveniently for the user, general this table all is installed in the user within doors, reequiped privately by some unique user easily and reach the purpose of power stealing, electric energy meter is damaged easily, and Utilities Electric Co. is difficult to find, causes the waste and the loss of the energy.
Summary of the invention
The utility model mainly solves present keyboard-type electric energy meter must be installed on the user within doors, is reequiped privately by some unique user easily and reaches the purpose of power stealing, causes the technical matters of the waste and the loss of the energy; Provide a kind of electric energy metrical partly to be installed on outside the user room, being convenient to the user again supplements with money in doors, stop that the user reequips privately and the generation of phenomenon that reaches the purpose of power stealing, strengthen anti-aggressiveness and anti-interference greatly, increase the service life, energy savings is guaranteed the keyboard multifunctional split-type prepayment meter that the energy does not run off.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the keyboard-type user operating assembly that the utility model comprises the electric energy metrical assembly and is attached thereto, described electric energy metrical assembly comprises MCU micro-control unit and the metering units that links to each other with the MCU micro-control unit, memory cell, relay control unit and the power supply unit that working power is provided for whole electric energy metrical assembly, MCU micro-control unit internal memory contains the working routine of electric energy metrical assembly, described electric energy metrical assembly is provided with communications interface unit, described communications interface unit links to each other with the MCU micro-control unit, described keyboard-type user operating assembly also is provided with communications interface unit, and described electric energy metrical assembly and described keyboard-type user operating assembly are by two wired or wireless linking to each other of communications interface unit.During use, the electric energy metrical assembly is installed on outside the user room, and keyboard-type user operating assembly is installed on the user within doors, and the communications interface unit of the communications interface unit of electric energy metrical assembly and keyboard-type user operating assembly is suitable.The metering units of electric energy metrical assembly, relay control unit connect user's power supply lambda line.Metering units converts electric energy to pulse signal by sampled voltage and current signal and send the MCU micro-control unit to handle, and send keyboard-type user operating assembly to show by communications interface unit.In case discovery subscriber arrearage, MCU micro-control unit are exported control signal immediately and given relay control unit, the supply line of disconnect user forces the user to go to buy and supplements with money.The user buys electric weight to power department earlier, obtain supplementing with money the required respective coding and the amount of money, import this string encoding by keyboard-type user operating assembly then, this coding is to adopt the STS cryptographic algorithm to generate, the information that has comprised user and electric energy meter, electric energy meter is decrypted the coding of input, obtains recharge amount, supplements the date with money and supplements information such as the term of validity with money.Send these data to the electric energy metrical assembly by communications interface unit again, the MCU micro-control unit of electric energy metrical assembly is dealt with, is judged, makes the relay control unit action, recovers user's supply line.Memory cell comprises FRAM storer and eeprom memory, be kept among the FRAM for the frequent data (as the electric weight and the amount of money) of preserving of needs, and those data volumes greatly but do not need the data of frequent write operation to be kept among the EEPROM.
As preferably, described keyboard-type user operating assembly comprises MCU micro-control unit and the keyboard input block that links to each other with the MCU micro-control unit, display unit and the power supply unit of working power is provided for whole keyboard-type user operating assembly, described communications interface unit links to each other with the MCU micro-control unit, and described MCU micro-control unit internal memory contains the working routine of keyboard-type user operating assembly.The user can supplement with money by keyboard, and is provided with and checks various data such as remaining sum, historical electricity consumption situation, and all data are shown by display unit.
As preferably, also be connected with Alarm Unit on the MCU micro-control unit of described keyboard-type user operating assembly.For the ease of charge and management, the amount of money of having supplemented with money the user runs low or because of in time not supplementing with money when being about to cut off user supply line, all needs to remind the user, and this function realizes by Alarm Unit.
As preferably, also be connected with memory cell on the MCU micro-control unit of described keyboard-type user operating assembly.Memory cell comprises FRAM storer and eeprom memory, be kept among the FRAM for the frequent data (as the electric weight and the amount of money) of preserving of needs, and those data volumes greatly but do not need the data of frequent write operation to be kept among the EEPROM.
As preferably, also be connected with clock unit on the MCU micro-control unit in the described electric energy metrical assembly.If adopt the timing of MCU micro-control unit, need on the one hand to adopt counter, take hardware resource, need to be provided with interruption, inquiry etc. on the other hand, expend the hardware resource and the software resource of MCU micro-control unit equally, and cause timing uncertainty true easily.External clock unit on the MCU micro-control unit has effectively overcome the problems referred to above.
As preferably, also be connected with the photoelectric communication unit on the MCU micro-control unit in the described electric energy metrical assembly.When power supply department need be provided with or keep in repair electric energy meter, connect palm PC going along with by the photoelectric communication unit, just can carry out basic parameter setting, function maintenance to electric energy meter by palm PC, also can read the power information in the electric energy meter, comprise remaining sum, supplement number of times etc. with money, make maintenance convenient.
As preferably, also be connected with display unit, pulse output unit on the MCU micro-control unit in the described electric energy metrical assembly.The pulse output unit is the pulse pilot lamp, can be according to the electricity consumption size with different frequency scintillations.Display unit can show parameters such as power consumption, need not enter the user when power department staff is inquired about and just can be observed data within doors, is more convenient for checking, safeguarding.
As preferably, also be connected with Alarm Unit on the MCU micro-control unit in the described electric energy metrical assembly.The amount of money of having supplemented with money the user runs low or because of in time not supplementing with money when being about to cut off user supply line, Alarm Unit can send the warning reminding user.The Alarm Unit of electric energy metrical assembly is as standby warning, plays the effect of dual warning with the Alarm Unit of keyboard-type user operating assembly.
As preferably, described communications interface unit adopts the PLC carrier wave to receive radiating circuit or RS485 interface circuit.When adopting communication, adopt the PLC carrier wave to receive radiating circuit, need not extra circuit within doors outside the room and connect.When adopting the wire communication mode, adopt the RS485 interface circuit, link to each other by single line outside the room within doors, just can finish the communication of data, line is succinct, convenient.
As preferably, described Alarm Unit comprises light emitting diode warning circuit and buzzer alarm circuit, and described display unit adopts LCDs.Light emitting diode adopts red LED, is made as one-level and reports to the police, and is lighted when the amount of money that the user fills runs low; Hummer is made as secondary and reports to the police, and pipes when being about to cut off user supply line.Guarantee to remind effectively the user.LCDs guarantees that the capacity of display is big, it is more clear to show.
The beneficial effects of the utility model are: electric energy metrical assembly and the split of keyboard-type user operating assembly are set up, transmit various data by communications interface unit between the two, realize that the electric energy metrical assembly is installed on outside the user room, stop that the user reequips privately and the generation of phenomenon that reaches the purpose of power stealing, strengthen anti-aggressiveness and anti-interference greatly, increase the service life, energy savings guarantees that the energy does not run off.Continued simultaneously the advantage of monoblock type keyboard-type electric energy meter again, keyboard-type user operating assembly is installed in the user within doors, supplements with money and need not any physical medium, is difficult for being cracked and copied, and is safe and convenient, saves cost.
Description of drawings
Fig. 1 is that a kind of circuit of the present utility model connects block diagram.
1. electric energy metrical assemblies among the figure, 2. keyboard-type user operating assembly, 10.MCU micro-control unit, 11. metering units, 12. memory cell, 13. relay control units, 14. power supply units, 15. communications interface units, 16. clock unit, 17. photoelectric communication unit, 18. display units, 19. the pulse output unit, 101. Alarm Units, 20.MCU micro-control unit, 21. the keyboard input block, 22. display units, 23. power supply units, 24. Alarm Unit, 25. communications interface units, 26. memory cells.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the keyboard multifunctional split-type prepayment meter of present embodiment, as shown in Figure 1, the keyboard-type user operating assembly 2 that comprises electric energy metrical assembly 1 and be attached thereto, electric energy metrical assembly 1 is installed on outside the user room, and keyboard-type user operating assembly 2 is installed on the user within doors.
Electric energy metrical assembly 1 is a core with MCU micro-control unit 10, be connected with metering units 11, memory cell 12, relay control unit 13, communications interface unit 15, clock unit 16, photoelectric communication unit 17, display unit 18, pulse output unit 19, Alarm Unit 101 on it, also be included as whole electric energy metrical assembly the power supply unit 14 of working power is provided, MCU micro-control unit 10 internal memories contain the working routine of electric energy metrical assembly.Keyboard-type user operating assembly 2 is a core with MCU micro-control unit 20, be connected with keyboard input block 21, display unit 22, Alarm Unit 24, communications interface unit 25, memory cell 26 on it, also being included as whole keyboard-type user operating assembly provides the power supply unit 23 of working power, and MCU micro-control unit 20 internal memories contain the working routine of keyboard-type user operating assembly.Communications interface unit 15,25 adopts the PLC carrier waves to receive radiating circuits, links to each other by wireless signal between the two and transmits and receive data.Alarm Unit 24,101 comprises light emitting diode warning circuit and buzzer alarm circuit, and display unit 18,22 adopts LCDs.
The course of work: the metering units of electric energy metrical assembly, relay control unit connect user's power supply lambda line.The user buys electric weight to power department earlier, obtains supplementing with money the required respective coding and the amount of money, behind the numerical key by keyboard input correspondence on the keyboard-type user operating assembly, presses enter key
If input is correct, electricity consumption rate and first recharge amount can appear on the liquid crystal display, and the electric energy metrical assembly also obtains these data by communications interface unit, and the starting relay control module is opened user supply line then, and the relay on the liquid crystal display disconnects sign
Disappear, the user can begin electricity consumption; If input error or invalid, the printed words of " REJECT " appear in meeting on the liquid crystal display, then need re-enter.During subscriber arrearage, send a signal to keyboard-type user operating assembly by communications interface unit, start Alarm Unit, red led is bright, and inner hummer rings, and liquid crystal display shows that relay disconnects sign
Cut off user supply line.During cancellation, the cancellation sign indicating number input electric energy meter that the user will obtain is pressed enter key, and alarm lamp is bright, and inner hummer rings, and liquid crystal display shows that relay disconnects sign
Return code occurs on the liquid crystal display simultaneously, divide three screens to show that first and second screen respectively shows 8, the 3rd screen shows 4.
In the user power utilization process, the pulse pilot lamp of the pulse output unit in electric energy metrical assembly flicker, when power consumption was big, the pilot lamp flicker was fast, power consumption hour, the pilot lamp flicker is slow.
During power supply department maintenance ammeter, couple together, read the data of electric energy meter, also can be provided with some basic parameters of electric energy meter by the photoelectric communication joint on photoelectric communication unit on the electric energy metrical assembly and the kilowatt meter recorder (palm PC).
Embodiment 2: the keyboard multifunctional split-type prepayment meter of present embodiment, and communications interface unit 15,25 adopts the RS485 interface circuit, and electric energy metrical assembly 1, keyboard-type user operating assembly 2 adopt wired mode to link to each other, and transmit and receive data by lead.Remaining is with embodiment 1.
The utility model has overcome traditional IC-card pre-paying kilowatt-hour meter has physical medium to be cracked easily, to copy Defective has solved again monoblock type keyboard-type electric energy meter and must be installed in the user power stealing phenomenon takes place within doors easily Problem. Realize that the electric energy metrical assembly is installed on outside the user room, stop that the user reequips privately and the order that reaches power stealing The generation of phenomenon, greatly strengthen attack tolerant and anti-interference, increase the service life, energy savings, Guarantee that the energy does not run off. Continued again simultaneously the advantage of monoblock type keyboard-type electric energy meter, keyboard-type user operation Assembly is installed in the user within doors, supplements with money to need not any physical medium, be difficult for being cracked and copied, not only safety but also Convenient, save cost.
Claims (10)
1. keyboard multifunctional split-type prepayment meter, the keyboard-type user operating assembly (2) that comprises electric energy metrical assembly (1) and be attached thereto, described electric energy metrical assembly (1) comprises MCU micro-control unit (10) and the metering units (11) that links to each other with MCU micro-control unit (10), memory cell (12), relay control unit (13) and the power supply unit (14) that working power is provided for whole electric energy metrical assembly, MCU micro-control unit (10) internal memory contains the working routine of electric energy metrical assembly, it is characterized in that described electric energy metrical assembly (1) is provided with communications interface unit (15), described communications interface unit (15) links to each other with MCU micro-control unit (10), described keyboard-type user operating assembly (2) also is provided with communications interface unit (25), and described electric energy metrical assembly (1) and described keyboard-type user operating assembly (2) are by communications interface unit (15), communications interface unit (25) is wired or wireless to link to each other.
2. keyboard multifunctional split-type prepayment meter according to claim 1, it is characterized in that described keyboard-type user operating assembly (2) comprises that MCU micro-control unit (20) reaches keyboard input block (21), display unit (22) that links to each other with MCU micro-control unit (20) and the power supply unit (23) that working power is provided for whole keyboard-type user operating assembly, described communications interface unit (25) links to each other with MCU micro-control unit (20), and described MCU micro-control unit (20) internal memory contains the working routine of keyboard-type user operating assembly.
3. keyboard multifunctional split-type prepayment meter according to claim 2 is characterized in that also being connected with on the described MCU micro-control unit (20) Alarm Unit (24).
4. keyboard multifunctional split-type prepayment meter according to claim 2 is characterized in that also being connected with on the described MCU micro-control unit (20) memory cell (26).
5. keyboard multifunctional split-type prepayment meter according to claim 1 is characterized in that also being connected with clock unit (16) on the MCU micro-control unit (10) in the described electric energy metrical assembly (1).
6. keyboard multifunctional split-type prepayment meter according to claim 1 is characterized in that also being connected with photoelectric communication unit (17) on the MCU micro-control unit (10) in the described electric energy metrical assembly (1).
7. according to claim 1 or 5 or 6 described keyboard multifunctional split-type prepayment meters, it is characterized in that also being connected with on the MCU micro-control unit (10) in the described electric energy metrical assembly (1) display unit (18), pulse output unit (19).
8. according to claim 1 or 5 or 6 described keyboard multifunctional split-type prepayment meters, it is characterized in that also being connected with Alarm Unit (101) on the MCU micro-control unit (10) in the described electric energy metrical assembly (1).
9. keyboard multifunctional split-type prepayment meter according to claim 1 and 2 is characterized in that described communications interface unit (15), (25) employing PLC carrier wave receive radiating circuit or RS485 interface circuit.
10. according to claim 1 or 2 or 3 described keyboard multifunctional split-type prepayment meters, it is characterized in that described Alarm Unit (24) comprises light emitting diode warning circuit and buzzer alarm circuit, described display unit (22) adopts LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201121028U CN201084214Y (en) | 2007-07-19 | 2007-07-19 | A clavier split-type multifunctional prepayment electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201121028U CN201084214Y (en) | 2007-07-19 | 2007-07-19 | A clavier split-type multifunctional prepayment electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN201084214Y true CN201084214Y (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201121028U Expired - Fee Related CN201084214Y (en) | 2007-07-19 | 2007-07-19 | A clavier split-type multifunctional prepayment electric energy meter |
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| CN (1) | CN201084214Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345455A (en) * | 2013-06-28 | 2013-10-09 | 深圳市科曼医疗设备有限公司 | Monitor and multi-MCU stored data exchanging device thereof |
| CN104316114A (en) * | 2014-11-21 | 2015-01-28 | 国家电网公司 | Intensive type touch screen intelligent power meter |
| CN105096466A (en) * | 2014-05-08 | 2015-11-25 | Ls产电株式会社 | Prepayment-Type Watt-Hour Meter |
| CN106384439A (en) * | 2015-04-05 | 2017-02-08 | 黄燕云 | Intelligent electric meter |
-
2007
- 2007-07-19 CN CNU2007201121028U patent/CN201084214Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345455A (en) * | 2013-06-28 | 2013-10-09 | 深圳市科曼医疗设备有限公司 | Monitor and multi-MCU stored data exchanging device thereof |
| WO2014206181A1 (en) * | 2013-06-28 | 2014-12-31 | 深圳市科曼医疗设备有限公司 | Patent monitor and multi-mcu memory data exchange device for same |
| CN103345455B (en) * | 2013-06-28 | 2016-03-30 | 深圳市科曼医疗设备有限公司 | Patient monitor and many MCU internal storage data switch thereof |
| CN105096466A (en) * | 2014-05-08 | 2015-11-25 | Ls产电株式会社 | Prepayment-Type Watt-Hour Meter |
| US9697670B2 (en) | 2014-05-08 | 2017-07-04 | Lsis Co., Ltd. | Prepayment-type watt-hour meter |
| CN104316114A (en) * | 2014-11-21 | 2015-01-28 | 国家电网公司 | Intensive type touch screen intelligent power meter |
| CN106384439A (en) * | 2015-04-05 | 2017-02-08 | 黄燕云 | Intelligent electric meter |
| CN106384439B (en) * | 2015-04-05 | 2019-05-10 | 南京瑞电自动化科技有限公司 | A kind of intelligent electric meter |
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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: HANGZHOU HEXING ELECTRICAL CO., LTD. Free format text: FORMER OWNER: HANGZHOU HAIXING ELECTRICAL EQUIPMENT CO., LTD. Effective date: 20130523 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130523 Address after: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418 (City Industrial Park) Patentee after: Hangzhou Hexing Electrical Co., Ltd. Address before: The City Industrial Park, No. 1418 Hangzhou City, Zhejiang province 310011 Moganshan Road Patentee before: Hangzhou Haixing Electrical Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080709 Termination date: 20140719 |
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| EXPY | Termination of patent right or utility model |