CN102494183A - Oil and gas valve based on GSM (global system for mobile communication) antitheft alarm system - Google Patents
Oil and gas valve based on GSM (global system for mobile communication) antitheft alarm system Download PDFInfo
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- CN102494183A CN102494183A CN2011103878315A CN201110387831A CN102494183A CN 102494183 A CN102494183 A CN 102494183A CN 2011103878315 A CN2011103878315 A CN 2011103878315A CN 201110387831 A CN201110387831 A CN 201110387831A CN 102494183 A CN102494183 A CN 102494183A
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Abstract
The invention discloses an oil and gas valve based on a GSM (global system for mobile communication) antitheft alarm system, wherein the oil and gas valve comprises a valve body, a code lock and the GSM antitheft alarm system, wherein the GSM antitheft alarm system is connected with the code lock; and the GSM antitheft alarm system comprises a central processing unit, a micro switch circuit, a vibration induction circuit, a signal receiving circuit, a GSM signal processing circuit, an alarm circuit and a power supply circuit, wherein the micro switch circuit is connected with the central processing unit. The oil and gas valve provided by the invention is simple and reasonable in structure, is provided with the vibration induction circuit and the micro switch circuit, can be used for effectively solving the vibration interference caused by liquid or gas flow for a connection pipeline of the oil and gas valve, can well recognize vibration of the oil and gas valve and the vibration in theft, at the same time comprises the alarm circuit and the GSM signal processing circuit, can transmit alarm signals to users effectively, and has the advantages of good antisheft effect and good practicability.
Description
Technical field
The present invention relates to oil, rock gas valve antitheft field, be specifically related to a kind of oil, air valve based on the GSM guard against theft and alarm system.
Background technique
In our the present world; Oil is praised by the gold of black; The trade in oil overwhelming majority in the world is to be transaction currency with the dollar, and along with the devaluation of dollar is that the energy prices of representative also are that when the river rises the boat goes up with the oil, increasing lawless person has aimed at oil and natural gas with sight; The valve for guarding against theft of oil and natural gas use in the market all is the machinery antitheft; Common mechanical valve for guarding against theft all is that behavior is stolen in passive reply, can not get in touch to the owner very first time and dispose the pilferage behavior, all can only the plain edition electronic anti-theft alarm externally be installed with reference to the mounting type of household alarm if want the electronic anti-theft warning function.Yet its size of plain edition alarm is all too big, can't be installed in valve internal, is destroyed by the lawless person easily and be installed in the valve outside, and the function of burglar alarm certainly will will be given a discount.
The plain edition alarm is for flexible for installation behind the house before the room, and alarm host machine and alarm sensor are placed apart, rather than integrate, and also suitable sensor need be installed so alarm is installed.And theft-proof sensor on the market is not specially for valve design; Common shock sensor not only volume ratio is big but also do not have a sensitivity adjusting; Because the connecting tube of valve must have certain vibrations when liquid or gas flow are arranged, so the circuit of common shock sensor and shock sensor and be not suitable for directly being used for the valve mechanism of oil, gas.
Summary of the invention
Technical problem to be solved by this invention is that solution conventional machinery valve for guarding against theft theftproof performance is poor; Can not remind the owner timely and effectively, the invention provides a kind of the be applicable to oil based on the GSM guard against theft and alarm system, air valve oil, rock gas valve, that theftproof performance is good.
For realizing above-mentioned technical purpose; The invention provides a kind of oil, air valve based on the GSM guard against theft and alarm system; Comprise valve body, be arranged on valve body valve port place cipher lock, be arranged on the GSM guard against theft and alarm system that is connected with cipher lock of cipher lock below, it is characterized in that: said GSM guard against theft and alarm system comprises central processing unit, the sensitive switch circuit that links to each other with the fine motion signal end of central processing unit, the Vibration induction circuit that links to each other with the vibration signal end of central processing unit, the signal receiving circuit that links to each other with the reception signal end of central processing unit, the GSM signal processing circuit that links to each other with the GSM signal end of central processing unit, the warning drive circuit that links to each other with the alarm signal end of central processing unit, the power circuit of power supply is provided for central processing unit.
Said GSM signal processing circuit comprise the GSM signal interface circuit, with the change-over circuit that the output signal end of GSM signal interface circuit links to each other, the signal output part of said change-over circuit is electrically connected with central processing unit.
Said GSM signal processing circuit also comprises microphone circuit, audio power amplifier circuit, the DTMF demoding circuit that is electrically connected with the GSM signal interface circuit, and said microphone circuit, audio power amplifier circuit, DTMF demoding circuit are electrically connected with the signal end of central processing unit respectively.
Said signal receiving circuit comprises wireless signal receiving circuit, wire signal receiving circuit, and said wireless signal receiving circuit, wire signal receiving circuit are electrically connected with central processing unit respectively.
Said wireless signal receiving circuit comprises eliminator, the amplification circuit that links to each other with eliminator, and the signal output part of amplification circuit is electrically connected with the wireless signal port of central processing unit.
Said Vibration induction circuit comprises Shock inductor, the vibration signal amplification circuit that links to each other with Shock inductor, the flip-flop circuit that links to each other with the vibration signal amplification circuit, the sensitivity adjusting circuit of regulating vibration signal, the delay circuit that links to each other with the flip-flop circuit output terminal, and the output terminal of said delay circuit is electrically connected with central processing unit.
Said power circuit comprises external power supply circuit, internal cell power circuit, and with the power-switching circuit that external power supply circuit and inner battery power circuit are electrically connected, said external power supply circuit is that mains supply is or/and the solar panel power supply.
Also comprise external power supply observation circuit, battery flowmeter charge circle, said external power supply observation circuit, battery flowmeter charge circle are electrically connected with central processing unit respectively.
The good effect that the present invention has: among (1), the present invention; The GSM guard against theft and alarm system comprises central processing unit, the sensitive switch circuit that links to each other with the fine motion signal end of central processing unit, the Vibration induction circuit that links to each other with the vibration signal end of central processing unit, the signal receiving circuit that links to each other with the reception signal end of central processing unit, the GSM signal processing circuit that links to each other with the GSM signal end of central processing unit, the warning drive circuit that links to each other with the alarm signal end of central processing unit, the power circuit of power supply is provided for central processing unit; Simple and reasonable, have Vibration induction circuit and sensitive switch circuit, can effectively solve because the vibrations that the pipeline that oil, air valve connect exists liquid or gas flow to cause are disturbed, can well discern self vibration and shake when stolen; Good anti-theft effect; And also comprised warning circuit among the present invention, when detecting stolen vibrations, can drive warning circuit simultaneously; Give the alarm; Can remind the owner timely and effectively, good anti-theft effect has also comprised the GSM signal processing circuit; Combine gsm system fully, improved the distance of burglar alarm; The sensitive switch that has, whether the place is provided with sensitive switch at valve, can detect valve timely and be opened; In conjunction with the Vibration induction circuit reach the double anti-theft effect; Combine gsm system simultaneously, can effectively transmit alarm signal and give the owner, anti-theft effect is good, practicability good.
(2), among the present invention, the GSM signal processing circuit comprise the GSM signal interface circuit, with the change-over circuit that the output signal end of GSM signal interface circuit links to each other, the signal output part of said change-over circuit is electrically connected with central processing unit.Also comprise the microphone circuit, audio power amplifier circuit, the DTMF demoding circuit that are electrically connected with the GSM signal interface circuit; Said microphone circuit, audio power amplifier circuit, DTMF demoding circuit are electrically connected with the signal end of central processing unit respectively; Can effectively transmit alarm signal; Microphone circuit that is provided with and audio power amplifier circuit can carry out voice output, the behavior that effective fright is being stolen; The DTMF demoding circuit that is provided with can effectively be changed the GSM signal, has improved the authenticity and the validity of signal, and can convey to the owner through gsm system timely, compares the traditional mechanical valve for guarding against theft, and theftproof performance is good.
(3), among the present invention, said signal receiving circuit comprises wireless signal receiving circuit, wire signal receiving circuit, said wireless signal receiving circuit, wire signal receiving circuit are electrically connected with central processing unit respectively; Said wireless signal receiving circuit comprises eliminator, the amplification circuit that links to each other with eliminator, and the signal output part of amplification circuit is electrically connected with the wireless signal port of central processing unit.Be provided with wireless signal receiving circuit and wire signal receiving circuit among the present invention, can fully satisfy different clients' demand, applicability is wide.
(4), among the present invention; Said Vibration induction circuit comprises Shock inductor, the vibration signal amplification circuit that links to each other with Shock inductor, the flip-flop circuit that links to each other with the vibration signal amplification circuit, regulate vibration signal sensitivity adjusting circuit, with the delay circuit that the flip-flop circuit output terminal links to each other, said flip-flop circuit output terminal is electrically connected with central processing unit.The sensitivity adjusting circuit that in system, is provided with; Can effectively carry out sensitivity adjusting to shock sensor; Can effectively solve the deficiency that shock sensor in traditional mechanical warning device or the valve electronic alarm device is not suitable for oil, air valve, can effectively monitor, unusual vibrations when the vibrations of effectively distinguishing oil, air valve itself still are stolen oil, air valve; Good anti-theft effect, practicability is good.
(5), also comprise external power supply observation circuit, battery flowmeter charge circle, said external power supply observation circuit, battery flowmeter charge circle are electrically connected with central processing unit respectively.Can monitor the battery supply of external power supply or itself, the problem of the thrashing that can avoid causing because of power issue is compared traditional machinery antitheft or electronic anti-theft, and stability is better.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 structure assembling of the present invention schematic representation.
Fig. 2 is the circuit block diagram of GSM guard against theft and alarm system of oil, the air valve of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 3 is the circuit diagram of the power-switching circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 4 is the circuit diagram of the Vibration induction circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 5 A, Fig. 5 B, Fig. 5 C, Fig. 5 D are respectively the circuit diagram of external power supply observation circuit, battery flowmeter charge circle, wired input circlult and the sensitive switch circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve among Fig. 5.
Fig. 6 is the circuit diagram of the wireless receiving circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 7 is the circuit diagram of the GSM signal processing circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 8 is the circuit diagram of the microphone circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Fig. 9 is the circuit diagram of the DTMF demoding circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Figure 10 is the circuit diagram of the audio power amplifier circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Figure 11 is the circuit diagram of the warning circuit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Figure 12 be a kind of oil shown in Figure 1, air valve based on the GSM guard against theft and alarm system the power supply circuit of solar panel power supply.
Figure 13 is the circuit diagram of the central processing unit of a kind of oil based on the GSM guard against theft and alarm system shown in Figure 1, air valve.
Reference character: valve body 1; By top cover 11; Gland 12; Filler 13; Valve rod 14; Valve rod location piece 15; Tubbiness protecting cover 16; The blue screw protective cover 17 of middle valve; Valve loam cake 18; Screw 19; Valve body 110; Copper nut 111; Flashboard 112; The outside too can positive battery plate 113; Cipher lock 2; GSM guard against theft and alarm system 3; Central processing unit 31; Sensitive switch circuit 32; Vibration induction circuit 33; Shock inductor 331; Vibration signal amplification circuit 332; Flip-flop circuit 333; Sensitivity adjusting circuit 334; Delay circuit 335; Signal receiving circuit 34; Wireless signal receiving circuit 341; Eliminator 3411; Amplification circuit 3412; Wire signal receiving circuit 342; GSM signal processing circuit 35; GSM signal interface circuit 351; Change-over circuit 352; Microphone circuit 353; Audio power amplifier circuit 354; DTMF demoding circuit 355; Warning circuit 36; Power circuit 37; External power supply circuit 371; Battery power circuit 372; Power-switching circuit 373; External power supply observation circuit 38; Battery flowmeter charge circle 39;
Embodiment
The structure accompanying drawing is done further explain to the present invention: see that Fig. 1 is to a kind of oil based on the GSM guard against theft and alarm system, air valve package assembly schematic representation and GSM guard against theft and alarm system circuit diagram shown in Figure 13; Comprise valve body 1, be arranged on valve body valve port place cipher lock 2, be arranged on the GSM guard against theft and alarm system 3 that is connected with cipher lock 2 of cipher lock 2 belows, said GSM guard against theft and alarm system 3 comprises central processing unit 31, the sensitive switch circuit 32 that links to each other with the fine motion signal end of central processing unit 31, the Vibration induction circuit 33 that links to each other with the vibration signal end of central processing unit 31, the signal receiving circuit 34 that links to each other with the reception signal end of central processing unit 31, the GSM signal processing circuit 35 that links to each other with the GSM signal end of central processing unit 31, the warning circuit 36 that links to each other with the alarm signal end of central processing unit 31, the power circuit 37 of power supply is provided for central processing unit 31.Also comprise external power supply observation circuit 38, battery flowmeter charge circle 39, said external power supply observation circuit 38, battery flowmeter charge circle 39 are electrically connected with central processing unit 31 respectively.Power circuit 37 comprises external power supply circuit 371, internal cell power circuit 372, the power-switching circuit 373 that is electrically connected with external power supply circuit 371 and inner battery power circuit 372.Said external power supply circuit 371 is that mains supply is or/and the solar panel power supply.
Said GSM signal processing circuit 35 comprises GSM signal interface circuit 351, the change-over circuit 352 that links to each other with the output signal end of GSM signal interface circuit 351, and the signal output part of said change-over circuit 352 is electrically connected with central processing unit 31.
Said GSM signal processing circuit 35 also comprises microphone circuit 353, audio power amplifier circuit 354, the DTMF demoding circuit 355 that is electrically connected with GSM signal interface circuit 351, and said microphone circuit 353, audio power amplifier circuit 354, DTMF demoding circuit 355 are electrically connected with the signal end of central processing unit 31 respectively.
Said signal receiving circuit 34 comprises wireless signal receiving circuit 341, wire signal receiving circuit 342, and said wireless signal receiving circuit 341, wire signal receiving circuit 342 are electrically connected with central processing unit 31 respectively.
Said wireless signal receiving circuit 341 comprises eliminator 3411, the amplification circuit 3412 that links to each other with eliminator 3411, and the signal output part of amplification circuit 3412 is electrically connected with the wireless signal port of central processing unit 31.
Said Vibration induction circuit 33 comprises Shock inductor 331, the vibration signal amplification circuit 332 that links to each other with Shock inductor 331, the flip-flop circuit 333 that links to each other with vibration signal amplification circuit 332, the sensitivity adjusting circuit 334 of regulating vibration signal, the delay circuit 335 that links to each other with flip-flop circuit 333 output terminals, and the output terminal of said delay circuit 35 is electrically connected with central processing unit 31.
Oil, air valve structure ssembly drawing are shown in 1; Comprise that valve body 1, valve body be made up of top cover 11, Gland 12, filler 13, valve rod 14, valve rod location piece 15, tubbiness protecting cover 16, blue screw protective cover 17, valve loam cake 18, screw 19, valve body 110, copper nut 111, the flashboard 112 of middle valve; Also comprise and be arranged on the top cover below; The integrated circuit block that is connected with cipher lock of the cipher lock 2 at the valve port place in the tubbiness protecting cover, cipher lock below based on GSM guard against theft and alarm system 3; The outside that links to each other with integrated circuit block based on GSM guard against theft and alarm system 3 too can positive battery plate 113, and solar panel is that integrated circuit block provides external power supply.Top cover and tubbiness protecting cover have formed the valve port space, wherein are provided with cipher lock, are arranged on the cipher lock integrated circuit block based on the GSM guard against theft and alarm system below, that be connected with cipher lock, and the tubbiness protecting cover is fixedly connected through screw with the valve body connecting place; And above screw with screw protective cover seal protection; Cipher lock places the top of valve rod, integrated circuit block to center on the valve rod setting, also is provided with filler and Gland in valve rod and oil, gas passage connecting part, and filler and Gland also are around the valve rod setting; Below filler, also be provided with the valve location piece that is provided with around valve rod; Can locate to valve rod, also establish flashboard in the valve rod bottom, flashboard uses copper nut to be fixed on the bottom of valve rod; The bottom of valve rod is arranged in the valve body, links to each other with oil, gas passage.When larceny occurring, need open cipher lock, when opening cipher lock, can touch sensitive switch, the GSM guard against theft and alarm system can induced signal, and is transferred to give the alarm on owner's mobile phone or the base and reminds the owner, and it can in time be handled.
Fig. 2 has shown the circuit block diagram based on the GSM guard against theft and alarm system.
Power-switching circuit is as shown in Figure 3; Comprise low pressure loss voltage stabilizing chip Q5 (master chip adopts AMS1084 in the present embodiment), lowering and stabilizing blood pressure chip U3 (master chip adopts 7805 in the present embodiment); Low pressure loss voltage stabilizing chip Q5 is the power supply that gsm module provides the 4.2V high-current low-voltage to fall; Guarantee that gsm module can proper functioning, MCU is through the switch of VBC line traffic control Q5, and U3 is the stabilized power supply that other parts of circuit provide 5V.
The Vibration induction circuit is as shown in Figure 4; Comprise that pressing what adopt in the Shock inductor present embodiment is electroceramic, sensitivity adjusting circuit, trigger chip U4; Piezoelectric constant can produce pulse signal to Q9 after sensing vibrations; Q9 outputs to U4 with the signal amplification, and the signal that receives is exported to MCU, forms delay circuit prolongation high level time by R25 and C40 and makes single-chip microcomputer can detect signal; C59, C60, C61, C62 and SW4 form sensitivity adjusting circuit, utilize the slight Vibration induction voltage of filter characteristics filtration of electric capacity to realize sensitivity adjusting.
Electric source monitoring circuit, battery flowmeter charge circle, wired input circlult, sensitive switch circuit are shown in Fig. 5 A, Fig. 5 B, Fig. 5 C, Fig. 5 D among Fig. 5; The bleeder circuit of being made up of R11, R12 provides external power supply monitor signal VINMONT; VINMONT is 4.8V when there is the power supply input outside, is 0V during the non-transformer input; Same R41, R42 composition battery flowmeter charge circle provide battery electric quantity monitor signal MONITOR; Formed wired input circlult by JP2 and R51, R52, R53, R54 and diode D5-D8; R28, R29 provide sensitive switch signal KEYSIG through the external sensitive switch of JP4, and KEYSIG is a low level when sensitive switch is pressed, and KEYSIG was a high level when sensitive switch was upspring.
Wireless input circlult is as shown in Figure 6, and the wireless signal that circuit is received antenna is input to MCU through filtering, LM358 chip after amplifying.
Gsm module, SIM circuit are as shown in Figure 7; VBAT is the large current stabilized voltage supply that Q5 shown in Figure 3 provides; M1 is the interface of gsm module; Be connected with SIM seat SIM VCC, SIM IO, SIM CLK, SIM RST respectively, its serial communication pin is because it need be connected MCU with MCU through the change-over circuit of being made up of R14, R60, R59, Q11 for the event of different voltages with different system.
Microphone circuit is as shown in Figure 8, and MICIN, MICIP output signal to gsm module, and the DIDI line is toot～vocal input line that MCU sends, the Push And Release of MICC line may command MIC microphone.
DTMF dual-tone multifrequency demoding circuit is as shown in Figure 9, and circuit SPKIN is the audio signal from the gsm module input, and dual-tone multifrequency decoding chip U2 can send the MCU processing to after receiving effective audio frequency, handles and provide decoded signal through MCU.
Audio power amplifier circuit is shown in figure 10; SPKCIN is the audio signal of gsm module input; Drive sound horn through output SPKOUT signal after the amplification of U5 (LM386L), MCU controls the Push And Release of loudspeaker through the power supply chip Q6 of the whole audio power amplifier circuit of SPKC line traffic control.
The warning signal drive circuit is shown in figure 11, and MCU controls the Push And Release of the output control warning signal of Q3 through guide line.
The power supply circuits of solar panel power supply are shown in figure 12, and GSM valve alarm annex is external with easy to install and use with power supply P1, MIC microphone MIC, loudspeaker LS1, warning signal power interface LS2.The existing DC power socket of power interface P1 on burglary protection system accessory plate circuit also has power-line terminal JP1, can directly be inserted on the DC power socket P1 if solar panel has carried DC plug.If not then can the solar panel positive pole be met wiring terminal JP1-1, negative pole is met wiring terminal JP1-6 by diagram.
Central processing unit is shown in figure 13, and U1 is that single-chip microcomputer (STC98S58) is the control maincenter of whole alarm, is provided with the SRset reset key.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to mode of execution of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all mode of executions.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (8)
1. the oil based on the GSM guard against theft and alarm system, air valve; Comprise valve body (1), be arranged on valve body (1) valve port place cipher lock (2), be arranged on the GSM guard against theft and alarm system (3) that is connected with cipher lock (2) of cipher lock (2) below, it is characterized in that: said GSM guard against theft and alarm system (3) comprises central processing unit (31), the sensitive switch circuit (32) that links to each other with the fine motion signal end of central processing unit (31), the Vibration induction circuit (33) that links to each other with the vibration signal end of central processing unit (31), the signal receiving circuit (34) that links to each other with the reception signal end of central processing unit (31), the GSM signal processing circuit (35) that links to each other with the GSM signal end of central processing unit (31), the warning circuit (36) that links to each other with the alarm signal end of central processing unit (31), is the power circuit (37) that central processing unit (31) provides power supply.
2. a kind of oil according to claim 1, air valve based on the GSM guard against theft and alarm system; It is characterized in that: said GSM signal processing circuit (35) comprises GSM signal interface circuit (351), the change-over circuit (352) that links to each other with the output signal end of GSM signal interface circuit (351), and the signal output part of said change-over circuit (352) is electrically connected with central processing unit (31).
3. a kind of oil according to claim 2, air valve based on the GSM guard against theft and alarm system; It is characterized in that: said GSM signal processing circuit (35) also comprises microphone circuit (353), audio power amplifier circuit (354), the DTMF demoding circuit (355) that is electrically connected with GSM signal interface circuit (351), and said microphone circuit (353), audio power amplifier circuit (354), DTMF demoding circuit (355) are electrically connected with the signal end of central processing unit (31) respectively.
4. a kind of oil according to claim 3, air valve based on the GSM guard against theft and alarm system; It is characterized in that: said signal receiving circuit (34) comprises wireless signal receiving circuit (341), wire signal receiving circuit (342), and said wireless signal receiving circuit (341), wire signal receiving circuit (342) are electrically connected with central processing unit (31) respectively.
5. a kind of oil according to claim 4, air valve based on the GSM guard against theft and alarm system; It is characterized in that: said wireless signal receiving circuit (341) comprises eliminator (3411), the amplification circuit (3412) that links to each other with eliminator (3411), and the signal output part of amplification circuit (3412) is electrically connected with the wireless signal port of central processing unit (31).
6. a kind of oil according to claim 5, air valve based on the GSM guard against theft and alarm system; It is characterized in that: said Vibration induction circuit (33) comprises Shock inductor (331), the vibration signal amplification circuit (332) that links to each other with Shock inductor (331), the flip-flop circuit (333) that links to each other with vibration signal amplification circuit (332), the sensitivity adjusting circuit (334) of regulating vibration signal, the delay circuit (335) that links to each other with flip-flop circuit (333) output terminal, and said delay circuit (335) output terminal is electrically connected with central processing unit (31).
7. according to any described a kind of oil, air valve in claim 1 to the claim 6 based on the GSM guard against theft and alarm system; It is characterized in that: said power circuit (37) comprise external power supply circuit (371), inner battery power circuit (372), with the power-switching circuit (373) that the battery power circuit (372) of external power supply circuit (371) and inside is electrically connected, the power supply of said external power supply circuit is that mains supply is or/and the solar panel power supply.
8. a kind of oil according to claim 7, air valve based on the GSM guard against theft and alarm system; It is characterized in that: also comprise external power supply observation circuit (38), battery flowmeter charge circle (39), said external power supply observation circuit (38), battery flowmeter charge circle (39) are electrically connected with central processing unit (31) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387831.5A CN102494183B (en) | 2011-11-19 | 2011-11-19 | A kind of oil based on GSM guard against theft and alarm system, air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110387831.5A CN102494183B (en) | 2011-11-19 | 2011-11-19 | A kind of oil based on GSM guard against theft and alarm system, air valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494183A true CN102494183A (en) | 2012-06-13 |
| CN102494183B CN102494183B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110387831.5A Active CN102494183B (en) | 2011-11-19 | 2011-11-19 | A kind of oil based on GSM guard against theft and alarm system, air valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107331092A (en) * | 2017-07-11 | 2017-11-07 | 成都众山科技有限公司 | A kind of pressure transmitter burglary-resisting installation for being capable of automatic alarm |
| CN109506036A (en) * | 2017-09-15 | 2019-03-22 | 北京万佳信科技有限公司 | A kind of ball valve control lock anti-violence tripper and its detection method |
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| CN109506036B (en) * | 2017-09-15 | 2024-01-05 | 北京万佳信科技有限公司 | Ball valve control lock violence unlocking prevention device and detection method thereof |
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| Publication number | Publication date |
|---|---|
| CN102494183B (en) | 2016-10-19 |
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