CN201322965Y - Electric theftproof alarm with remote meter reading function - Google Patents

Electric theftproof alarm with remote meter reading function Download PDF

Info

Publication number
CN201322965Y
CN201322965Y CNU2008202215614U CN200820221561U CN201322965Y CN 201322965 Y CN201322965 Y CN 201322965Y CN U2008202215614 U CNU2008202215614 U CN U2008202215614U CN 200820221561 U CN200820221561 U CN 200820221561U CN 201322965 Y CN201322965 Y CN 201322965Y
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CN
China
Prior art keywords
circuit
connects
reading function
electric power
remote meter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008202215614U
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Chinese (zh)
Inventor
田家栋
曹全喜
龚洪金
黄全友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Pinggao Automation Co., Ltd.
Original Assignee
HENAN IN-POWER ELECTRIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CNU2008202215614U priority Critical patent/CN201322965Y/en
Application granted granted Critical
Publication of CN201322965Y publication Critical patent/CN201322965Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an electric theftproof alarm with remote meter reading function, comprising a power supply module and a central control processor. The central control processor is connected with a memory, a GSM communication module, a sensor detecting circuit and a meter reading circuit interface; the alarm is connected with a central controller; the GSM communication module is connected with a serial port communication circuit; and the sensor checking circuit is communicated with the sensor. The utility model integrates the effective burglary prevention of electrical power unit and electric quantity measurement, avoids the repetitive installation and the fund waste of the equipment of electric power department and meets the urgent requirement of electric power enterprises effectively.

Description

Electric power burglar alarm with remote meter-reading function
Technical field
The utility model relates to a kind of electric power burglar alarm with remote meter-reading function.
Background technology
Power equipment such as line of electric force and transformer is stolen or suffer the artificial destruction incident more serious, and anti-theft measure is also desirable not to the utmost, and there is big hidden danger really in safety problem.And existing in the market terminal function based on GSM, GPRS or CDMA networking is single, or only has anti-theft alarm function, or just is used for checking meter or loading control, causes the substantial contribution waste.Owing to kilowatt meter reading-out system and guard against theft and alarm system belong to the metering of electric system and two departments of safety check cause equipment repeat start and the fund waste.
The utility model content
The purpose of this utility model provides a kind of electric power burglar alarm with remote meter-reading function, its realize the effectively antitheft and electric quantity metering of power equipment with two be one, avoided power department equipment repeat start and fund waste, effectively satisfy the active demand of electric power enterprise.
For solving the problems of the technologies described above, the utility model comprises: supply module, central control processor, the central control processor connected storage, central control processor connects GSM communication module, sensor detection circuit and the circuit interface of checking meter, alarm connects central controller, and the GSM communication module connects serial communication circuit, and sensor detection circuit connects sensor.
Sensor comprises infrared sensor and tamper sensor.
The circuit interface of checking meter connects check meter circuit or pulse acquisition circuit.
Supply module comprises solar opto-electronic board, and solar opto-electronic board is connected voltage comparator with power rectifier circuit, and voltage comparator connects electromagnetic relay.
Central controller connects three decompression testing circuits.
The utility model adopt antitheft and electric quantity metering with two be one, avoided power department equipment repeat start and the fund waste, effectively satisfy the active demand of electric power enterprise.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is a supply module circuit diagram of the present utility model.
Fig. 3 is the standby charging circuit figure of the utility model.
Fig. 4 is the utility model central control processor and peripheral circuit diagram.
Fig. 5 is the utility model gsm module circuit diagram.
Fig. 6 is the utility model sensor detection circuit figure.
Fig. 7 is the utility model three-phase pressure loss testing circuit figure.
Fig. 8 is the utility model circuit interface circuit diagram of checking meter.
Embodiment
The utility model is divided into six parts as shown in Figure 1: system power supply and standby power supply part, central control processor MCU, GSM communication module, sensor detection circuit, three-phase voltage test section and serial communication circuit etc.Each part detailed design schematic diagram will describe in detail below.
System power supply and standby power supply circuit design: as shown in Figure 2, after the 220V voltage in the AC network or the process step-down of direct current 12V sun power loop, rectification, voltage stabilizing and the filtering, become stable+5V power supply, provide the work piezoelectric voltage to central control processor.+ 5V drops to 4.3V through the PN junction of 2 diode 1N4733A again and provides power supply for gsm module.If the supply voltage of module is lower than 3.3V shutdown automatically.Module is in emission the time simultaneously, and current peak can be up to 2A.When this current peak, supply voltage (sending into the voltage of module) drop-out value can not surpass 0.4V simultaneously.So this module is had relatively high expectations to power supply, the resistance of the internal resistance of power supply+FFC tie must be less than 200m Ω.
Back-up source adopts special-purpose colloid battery of sun power or lithium battery group as shown in Figure 3.For the protection battery, prolong its life-span, design overcharges, crosses and put control circuit, makes voltage comparator with LM358, when voltage surpasses 14.5V automatic cutout charge circuit; When battery discharge voltage was lower than 10.5V, under-voltage pilot lamp was bright, sent undervoltage alarm information when being lower than 9.5V and disconnect discharge loop to prevent to put the damage battery with the protection electric battery.
Central authorities' control microprocessor and periphery circuit design: the P89V51RD2FN single-chip microcomputer of PHILIPS company is adopted at the control module center of system as shown in Figure 4.Its data-carrier store RAM has 1024 bytes, and program memory ROM has the 64K byte, 3 16 timer/counter, the serial port of a full duplex, 8 interrupt sources, 4 interrupt priority levels.1 programmable watchdog timer (WDT).
Require data when system's power down, can not lose for a long time in the functional requirement of alarm, so, here selected to store 10,000,000,000 times ferroelectric material data-carrier store FM24CO4, be used for memory device operational factor, alarm parameters and alarm logging etc., and that adopt between CPU is I 2C bus communication mode.
Resetting is the single-chip microcomputer initialization operation, and its major function is to make program begin to carry out from initiating terminal, when program run makes mistakes or operating mistake when making system be in deadlock state, needs reset operation to restart.The RESET pin is the input end of reset signal, and reset signal is that high level is effective, should continue 24 oscillating impulses its effective time more than the cycle.Use the brilliant frame of 11.0592M, then reset signal should should just can be finished reset operation above 2us the duration.This device has two kinds of reset modes: 1 interior dog able to programme and outside hard dog IMP706.LED lamp D1-D5 among Fig. 4 represents power supply, ABC three-phase pressure loss, infrared alarm state respectively.
GSM communication module and periphery circuit design: the GSM communication module is that the TC35i module has 40 pins, draws by a ZIF (Zero Insertion Force, zero resistance socket) connector.These 40 pins can be divided into 5 classes, i.e. power supply, data I/O, SIM card, audio interface and control.1~5 pin is the common recommendation 4.2V of positive supply input pin, and the 6th~10 pin is power supply ground.11,12 are the charging pin, can external lithium battery, and 13 be external output voltage (external circuit uses altogether), 14 for ACCU-TEMP connects the thermistor of negative temperature coefficient, is used for the lithium cell charging protection and controls.15 pin are to start pin IGT, for making TC35i enter duty, must add a low pulse greater than 100ms to IGT after the system power-up, and the level decline duration can not surpass 1ms.16~23 is the data I/O, is respectively DSR0, RING0, RxD0, TxD0, CTS0, RTS0, DTR0 and DCD0.The data input/output interface of TC35i module is actually an asynchronous serial transceiver, meets ITU-T RS232 interface standard.It has fixing parameter: 8 bit data positions and 1 position of rest, and the no parity check position, baud rate is optional between 300bps~115kbps, acquiescence 9600bps.Hardware handshaking signal RTS0/CTS0, software flow control XON/XOFF, CMOS level, the AT Command Set of support standard.Wherein 18 pin RxD0,19 pin TxD0 are the serial communication pin of TTL, need and single-chip microcomputer or PC communication.TC35i uses the circumscribed SIM card, 24~29 is the SIM card pin, SIM card is to connect like this with TC35i: the CCRST on the SIM, CCIO, CCCL, CCVCC and CCGND directly link to each other with the end of the same name of TC35i by the SIM card reader, whether the CCIN pin of ZIF Connection Block is used for detecting SIM card and inserts, if connect correct, then the CCIN pin is exported high level, otherwise is low level.The 32nd pin SYNC pin of TC35i has two kinds of mode of operations, and a kind of is the flash-up situation of indication during emission state, and another kind is the duty of indication TC35i, and available AT order AT+SYNC switches, and what this module was used is that the back is a kind of.When LED extinguishes, show that TC35i is in to close or sleep state; When LED be 600ms bright/when 600ms puts out, show that SIM card is not inserted or TC35i is carrying out network entry; When LED be 75ms bright/when 3s puts out, show that TC35i has logined enter the internet, is in holding state.30,31,32 pin are control pin, and wherein 30 is RTC backup, and 31 is Power down, and 32 is SYNC.35~38 is speech interface, and 35,36 connect the loudspeaker playback.37,38 can directly connect Electret condenser microphone and gather sound (the 37th, microphone anode, the 39th, microphone negative terminal).
The switching on and shutting down of single-chip microcomputer by two I/O mouths control TC35i, reset etc., carry out data communication by serial ports and TC35, traffic rate is 9600Kbps, adopts 8 asynchronous communication modes, 1 start bit, 8 bit data positions, 1 position of rest.The TTL positive level logic of TC35i module input and output is not+5V, but+2.9V, therefore being necessary to add 2.2K resistance carries out port protection.The gsm module periphery circuit design is seen shown in Fig. 2 .5.
The sensor detection circuit design: this warning equipment has 5 tunnel warning acquisition circuits, be respectively: bj1: the infrared alarm input, what Infrared intrusion detector adopted is that wide-angle does not have dead position Fei Nieer lens, average 11 meter 110 degree of defence area scope, totally 22 district's 12 gratings are surveyed rate travel 0.2~7 meter per second.For preventing wrong report, setting height(from bottom) need be included alarm and protected equipment in defence area at 2~2.7 meters.To prevent opening the loop in alarm inside and the output serial connection of reporting to the police, no matter the someone enters the defence area is still opened all exportable warning pulse of alarm.
Protected equipment is installed a tamper sensor, and tamper sensor is a prior art, Wiring port: bj2 (closed circuit)+bj3 (open circuit).For preventing that wrong report from having adopted the combination of two-way four condition to judge sensor, no matter the burglar moves, takes apart, cuts off or short circuit all can judge and starts the concurrent alarming information of delivering newspaper of local alarm.
Bj4, bj5 are standby warning, and the type of alarm user can connect polytype sensors such as infrared grid curtain, door magnetic, Hall according to actual needs.The alarming short message acquiescence is shown as " port n abnormality alarming! " information and can changing voluntarily by the user.
The device of solar powered pattern, bj5 are defined as the thief-proof alarm detection of solar energy photovoltaic panel loop, and device sends " the stolen alarm of solar panels destroyed or when stealing when solar panels! " note.
System provides+12V ,+6V out-put supply terminal, different sensors connects the different electrical power terminal according to electric pressure.In addition, system provides one road pulse collection interface, can be used to connect ammeter or miscellaneous equipment and uses so that make kilowatt meter reading-out system.All be added with Schmidt trigger for improving the every road of antijamming capability input interface, see Fig. 2 .6 for details.
The three-phase pressure loss testing circuit: three-phase voltage detects the loop and adopts photoelectricity to isolate, and prevents that thunder and lightning and harmonic wave etc. from disturbing invasive system.Electric power loop adds the lighning proof type voltage dependent resistor (VDR), can resist the instantaneous lightning surge of 10KA (8/20s) and impact, and whenever is added with 120 milliamperes mutually from recovering the insurance resistance, has overcurrent and short-circuit protection function.Power supply is done high frequency interference and is unloaded and put back to the road being connected to the 6KV/222 high-voltage capacitance between casing and the earth, has improved system's antijamming capability.System monitors three-phase voltage in real time and changes, combinational logic and delay character according to the power failure mode can accurately be judged normal power failure or unusual power down mode, simultaneously in conjunction with infrared acquisition equipment and tamper, sensor states such as move and determine the type of alarm and the information content, thereby prevented wrong report, misrepresented deliberately, failed to report the situation generation, seen Fig. 2 .7 for details.
The serial port communication circuit design of checking meter: this alarm also has RS232,2 road RS485 communication functions except having the GSM communication modes.In view of having only a serial ports, CPU but to realize so communication of multichannel, the serial ports expansion of CPU need be become 2 serial ports to do time-sharing multiplex, native system has adopted the 74HCl26 chip, the shared interface of the RS485 of gsm module serial ports, RS232 and data feedback channel (selecting decision by jumper wire device) and local computer or main website device talk usefulness, down going channel RS485 connect the another one interface and do and check meter or use with the miscellaneous equipment communication; Each road serial ports connects communication line separately respectively, and can use different communication protocols and can not influence each other, thus the multimode communication of the system of realization.System default and data feedback channel communication regularly or by interrupt event determine that switching to down going channel carries out communication.System receives the laggard line data frame of data feedback channel order and handles, carry out corresponding operating according to Data Identification and control code, if at the order of subordinate's electric energy meter operation, then carry out the conversion of frame processing and data layout or stipulations again, be handed down to ammeter then, receive behind the ammeter reply data and give the backstage PC or the mobile phone of receiving a crime report through processing forward again.Detailed design is shown in Fig. 2 .8.
Circuit and the pulse acquisition circuit of checking meter is prior art, the circuit terminal of checking meter interface and stipulations interface: 1 road RS232/485 serial ports (can change optical fiber interface), be used for and the communication of local backstage, 1 tunnel descending RS485 bus can be adopted multi-function watt-hour meter or pulse meter electric weight and parameter; Stipulations: the expansion convention of supporting the ammeter producer that DL/T-645 communication protocol and user provide.
Communication channel is supported RS485, fiber optic Ethernet, GSM etc.Communication module adopts the gsm wireless communication chip of industry mainstream vendor technical grade, maintains easily and upgrades, if change the communication network type, as long as change communication module, does not need to change whole terminal.Adopt modular design at different communication modes, maintain easily and change,, only need to change communication module, need not change whole terminal equipment if change the communication network type.

Claims (7)

1. electric power burglar alarm with remote meter-reading function, comprise supply module, central control processor, the central control processor connected storage, it is characterized in that: described central control processor connects GSM communication module, sensor detection circuit and the circuit interface of checking meter, alarm connects central controller, and the GSM communication module connects serial communication circuit, and sensor detection circuit connects sensor.
2. the electric power burglar alarm with remote meter-reading function according to claim 1, it is characterized in that: described sensor comprises infrared sensor and tamper sensor.
3. the electric power burglar alarm with remote meter-reading function according to claim 1 is characterized in that: the described circuit interface of checking meter connects check meter circuit or pulse acquisition circuit.
4. the electric power burglar alarm with remote meter-reading function according to claim 1 and 2, it is characterized in that: described supply module comprises solar opto-electronic board, solar opto-electronic board is connected voltage comparator with power rectifier circuit, and voltage comparator connects electromagnetic relay.
5. the electric power burglar alarm with remote meter-reading function according to claim 1 and 2 is characterized in that: described central controller connects three decompression testing circuits.
6. the electric power burglar alarm with remote meter-reading function according to claim 3, it is characterized in that: described supply module comprises solar opto-electronic board, solar opto-electronic board is connected voltage comparator with power rectifier circuit, and voltage comparator connects electromagnetic relay.
7. the electric power burglar alarm with remote meter-reading function according to claim 3 is characterized in that: described central controller connects three decompression testing circuits.
CNU2008202215614U 2008-11-29 2008-11-29 Electric theftproof alarm with remote meter reading function Expired - Fee Related CN201322965Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005096A (en) * 2010-12-13 2011-04-06 河南省电力公司南阳供电公司 Anti-electricity-theft and distribution transformer anti-theft alarm (ATA) of remote-reading load control terminal based on general packet radio service (GPRS)
CN102736592A (en) * 2012-05-29 2012-10-17 上海桥茵自动化设备有限公司 Control and management system and control and management method of Internet-of-things measurement and control terminal
CN101769960B (en) * 2009-12-30 2013-03-13 上海电机学院 Sampling module for extensible single-phase electronic energy meter
CN103066558A (en) * 2012-12-07 2013-04-24 张恩迪 Lightning protection isolator of internet of things
CN103149431A (en) * 2013-03-19 2013-06-12 青岛乾程电子科技有限公司 Multifunction watt-hour meter
CN104200590A (en) * 2014-09-01 2014-12-10 国家电网公司 Multifunctional outdoor equipment monitor
TWI490504B (en) * 2014-05-23 2015-07-01 Wistron Neweb Corp Meter device and control module thereof
CN106018903A (en) * 2016-06-12 2016-10-12 南宁思飞电子科技有限公司 Intelligent ammeter case
CN108490233A (en) * 2018-02-05 2018-09-04 国电南瑞科技股份有限公司 A kind of Novel anti-electricity-theft device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769960B (en) * 2009-12-30 2013-03-13 上海电机学院 Sampling module for extensible single-phase electronic energy meter
CN102005096A (en) * 2010-12-13 2011-04-06 河南省电力公司南阳供电公司 Anti-electricity-theft and distribution transformer anti-theft alarm (ATA) of remote-reading load control terminal based on general packet radio service (GPRS)
CN102005096B (en) * 2010-12-13 2013-07-24 国家电网公司 Anti-electricity-theft and distribution transformer anti-theft device of remote-reading load control terminal based on general packet radio service (GPRS)
CN102736592A (en) * 2012-05-29 2012-10-17 上海桥茵自动化设备有限公司 Control and management system and control and management method of Internet-of-things measurement and control terminal
CN103066558A (en) * 2012-12-07 2013-04-24 张恩迪 Lightning protection isolator of internet of things
CN103149431A (en) * 2013-03-19 2013-06-12 青岛乾程电子科技有限公司 Multifunction watt-hour meter
TWI490504B (en) * 2014-05-23 2015-07-01 Wistron Neweb Corp Meter device and control module thereof
CN104200590A (en) * 2014-09-01 2014-12-10 国家电网公司 Multifunctional outdoor equipment monitor
CN106018903A (en) * 2016-06-12 2016-10-12 南宁思飞电子科技有限公司 Intelligent ammeter case
CN108490233A (en) * 2018-02-05 2018-09-04 国电南瑞科技股份有限公司 A kind of Novel anti-electricity-theft device

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 450001 No. 23 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou

Patentee after: Zhengzhou Pinggao Automation Co., Ltd.

Address before: 450001 No. 23 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou

Patentee before: Henan In-Power Electric Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: ZHENGZHOU PINGGAO AUTOMATION CO., LTD.

Free format text: FORMER NAME: HENAN YINGBO ELECTRIC CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091007

Termination date: 20121129

C17 Cessation of patent right