CN204348048U - A kind of practical remote alarm system - Google Patents
A kind of practical remote alarm system Download PDFInfo
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- CN204348048U CN204348048U CN201420697149.5U CN201420697149U CN204348048U CN 204348048 U CN204348048 U CN 204348048U CN 201420697149 U CN201420697149 U CN 201420697149U CN 204348048 U CN204348048 U CN 204348048U
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Abstract
The utility model relates to a kind of practical remote alarm system, and comprise the environmental parameter monitoring emitter and wireless receiving alarm device that are connected by wireless network, telephone plant is connected with wireless receiving alarm device.Environmental parameter monitoring emitter comprises D.C. regulated power supply, sensor circuit and numerical coding and radio emitting modular circuit, wireless receiving alarm device comprises D.C. regulated power supply and connects the microcontroller of D.C. regulated power supply respectively, wireless receiving and digital decoder, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit, described microcontroller connects wireless receiving and digital decoder respectively, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit.The telephone set of the utility model and family or office connects together, and automatically dials the telephone number stored in advance in systems in which, and carries out verbal announcement broadcasting, thus realizes remote auto alarm, has good reliability, confidentiality advantages of higher.
Description
Technical field
The utility model relates to field of electric control, especially relates to a kind of practical remote alarm system.
Background technology
At present, the mode of the information transmission of remote monitoring mainly contains: one is the maximum wire transmission of market share; Two is carry out wireless transmission by wireless transmitting-receiving equipments; Three is utilize telephone communication line to transmit.First kind wire transmission, although information transmission reliability is high, need special wiring, transmit leg easily suffers artificial destruction, and use cost is higher, and maneuverability is poor, scope of activities is subject to certain restrictions; Equations of The Second Kind is wireless transmission, although scope of activities is expanded, needs special twoway radio, and not only price is high for purchase of equipment, the operation and maintenance of equipment is cumbersome, and is easily subject to electromagnetic interference (EMI); 3rd class utilizes existing universal fixed telephone line, do not need to connect up specially, do not take RF resources separately, overcomes front two classes and there is the various defects such as monitoring range is restricted.
Telephone network is utilized to implement remote monitor, bring great convenience will to daily life and work, when at home nobody time, run into the door of house, window prized or important item is stolen time, the information occurred in family allows immediately can sound far away from master cellular phone thousands of miles away immediately, and you just know in family and there occurs emergency condition, for preventing and reducing economic loss, friend, neighbours, property or the police can be rapidly to seek help, to verify situation about occurring in family further.As Chinese patent CN101282389C discloses a kind of remote control using telephone and warning device; data access managing chip realizes ring and detects; automatic picking off and hanging machine, and telephone line is communicated with dual-audio transceiving chip, speech chip and single-chip microcomputer, have voice message and cipher protection function concurrently.But this patent does not consider environmental factor, can not realize and alarm.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of practical remote alarm system is provided, utilize the telephone plant of family or office to realize remote auto alarm, good reliability, confidentiality is high.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of practical remote alarm system, be connected with telephone plant, this warning system comprises environmental parameter monitoring emitter and wireless receiving alarm device, described environmental parameter monitoring emitter is connected by wireless network with wireless receiving alarm device, and described telephone plant is connected with wireless receiving alarm device.
Described environmental parameter monitoring emitter comprises D.C. regulated power supply, sensor circuit and numerical coding and radio transmitter, described D.C. regulated power supply is connecting sensor circuit and numerical coding and radio transmitter respectively, and described sensor circuit is connected with radio transmitter with numerical coding.
Described sensor circuit comprises infrared sensing circuit, pressure sensor circuit and/or gas sensing circuit.
Described wireless receiving alarm device comprises D.C. regulated power supply and connects the microcontroller of D.C. regulated power supply respectively, wireless receiving and digital decoder, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit, described microcontroller connects wireless receiving and digital decoder respectively, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit, described wireless receiving is connected by wireless network with radio transmitter with digital decoder and numerical coding, described interface circuit is connected with telephone plant.
Described wireless receiving alarm device also comprises audible and visual alarm circuit, is connected with microcontroller.
Described telephone plant comprises the telephone set and telephone set outside line that are connected, and described interface circuit connects telephone set and telephone set outside line respectively.
Described D.C. regulated power supply comprises the transformer, bridge rectifier circuit, filter capacitor C1, integrated three-terminal regulator and the filter capacitor C2 that connect successively.
Described numerical coding and radio transmitter comprise the 315MHz wireless module and PT2262 chip that are connected.
Described microcontroller adopts AT89C51 chip; Described wireless receiving and digital decoder comprise 315MHz superregenrative reception module and PT2272 chip; Described interface circuit adopts PH8809 chip; Described signalling tone testing circuit adopts PHT01 chip; Described dtmf code transtation mission circuit HT9200A chip; Described DTMF receives decoding scheme and adopts HT9170 chip; Described voice IC circuit adopts APR9600 chip.
Described audible and visual alarm circuit adopts NE555 chip.
Compared with prior art, the utility model has the following advantages:
(1) the utility model is provided with environmental parameter monitoring emitter, and can environmentally situation automatically initiate to report to the police, report to the police in time, safe reliability be high;
(2) the utility model is under the control of microcontroller (MCU), automatically the telephone number (fixed telephone number or Mobile Directory Number) stored in advance is in systems in which dialed, and carry out verbal announcement broadcasting or sound and light alarm, thus realize remote auto alarm, good confidentiality, reliability is high;
(3) the utility model is based on the landline telephone equipment of family or office, and by telephone network, and the hardware circuit unit adopted is existing chip, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model environmental parameter monitoring emitter;
Fig. 2 is the structural representation of the utility model wireless receiving alarm device;
Fig. 3 is the circuit theory schematic diagram of the utility model D.C. regulated power supply;
Fig. 4 is the principle schematic of the utility model sensor circuit and numerical coding and radio transmitter;
Fig. 5 is the circuit theory schematic diagram of the utility model wireless receiving alarm device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As Figure 1-Figure 2, a kind of practical remote alarm system, be connected with telephone plant, this warning system comprises environmental parameter monitoring emitter and wireless receiving alarm device, described environmental parameter monitoring emitter is connected by wireless network with wireless receiving alarm device, and described telephone plant is connected with wireless receiving alarm device.
As shown in Figure 1, environmental parameter monitoring emitter comprises D.C. regulated power supply 101, sensor circuit 102 and numerical coding and radio transmitter 103, described D.C. regulated power supply 101 is connecting sensor circuit 102 and numerical coding and radio transmitter 103 respectively, and described sensor circuit 102 is connected with radio transmitter 103 with numerical coding.Described sensor circuit 102 comprises infrared sensing circuit, pressure sensor circuit and/or gas sensing circuit, by different sensor circuit testing environment many kinds of parameters.
As shown in Figure 3, D.C. regulated power supply 101 is made up of transformer T, bridge rectifier circuit D, filter capacitor C1, C2 and integrated three-terminal regulator (U) LM7805.220V alternating current after transformer T step-down and bridge full-wave rectifier, then through the steady device voltage stabilizing of integrated three end and filtering, exports 5V direct supply VCC, for other circuit provides required operating voltage.
Be illustrated in figure 4 the principle schematic of sensor circuit 102 and numerical coding and radio transmitter 103.In Fig. 4, U1 is the sensor module circuitry of band Fresnel Lenses; Digital encoding circuit U3 is PT2262, can be used for arranging different places of deploying to ensure effective monitoring and control of illegal activities; Radiating circuit U2 adopts 315MHz wireless module circuit; Triode Q and relay K composition control circuit; sensor exports and realizes switching on and off of working power by this control circuit control U2 and U3, when abnormal information not detected, makes circuit working in energy-saving mode; this is one of feature of this circuit, and diode is for the protection of relay.
By changing different sensors, the difference of testing environment is deployed to ensure effective monitoring and control of illegal activities information, once occur abnormal (such as intrusion detection, gas leak etc.), just produce and export control information, trigger radio emitting modular circuit and digital encoding circuit work, by relevant information by launching with the form of radiowave after modulation, amplification.
As shown in Figure 2, wireless receiving alarm device comprises D.C. regulated power supply 209 and connects the microcontroller (MCU) 201 of D.C. regulated power supply 209 respectively, wireless receiving and digital decoder 208, interface circuit 202, signalling tone testing circuit 203, dtmf code transtation mission circuit 206, DTMF receives decoding scheme 204, voice IC circuit 207 and acousto-optic warning circuit 205, described microcontroller 201 connects wireless receiving and digital decoder 208 respectively, interface circuit 202, signalling tone testing circuit 203, dtmf code transtation mission circuit 206, DTMF receives decoding scheme 204, voice IC circuit 207 and acousto-optic warning circuit 205, described wireless receiving is connected by wireless network with radio transmitter 103 with digital decoder 208 and numerical coding, described telephone plant comprises the telephone set 301 and telephone set outside line 302 that are connected, described interface circuit 202 connects telephone set 301 and telephone set outside line 302 respectively.In wireless receiving alarm device, microcontroller 201 is core, controls to coordinate each element circuit, by simulating artificial off-hook or on-hook, dial the telephone number be stored in advance in microcontroller internal memory, by warning information with voice mode, inform the person of deploying to ensure effective monitoring and control of illegal activities, thus realize remote auto alarm.Interface circuit 202 is connected with telephone plant, makes this wireless receiving warning circuit meet the requirement of telecommunication apparatus access criteria.Signalling tone testing circuit 203 detects signalling tone state when MCU dials subscriber directory number, different operations is carried out according to different signalling tone states, such as, if busy tone detected, then MCU waits for that certain hour controls dtmf code transtation mission circuit 206 again and interface circuit 202 makes a call automatically.
Be illustrated in figure 5 the circuit theory schematic diagram of above-mentioned wireless receiving alarm device.Wherein, microcontroller 201 adopts AT89C51 (U9), interface circuit 202 adopts PH8809 (U5), signalling tone testing circuit 203 adopts PHT01 (U8), dtmf code transtation mission circuit 206 adopts HT9200A (U4), DTMF receives decoding scheme 204 and adopts HT9170 (U6), voice IC circuit 207 adopts APR9600 (U10), audible and visual alarm circuit 205 adopts NE555, wireless receiving circuit in wireless receiving and digital decoder 208 adopts 315MHz superregenrative reception modular circuit (U12), digital decoder adopts and matches with wireless transmitting terminals the PT2272 (U13) used, D.C. regulated power supply 209 adopts circuit structure as shown in Figure 3.
The principle of work of above-mentioned practical remote alarm system is: when sensor circuit 102 detects environmental abnormality, invasion information, gas leak etc. such as detected, sensor circuit 102 exports control information, triggered digital coding works with radio transmitter 103, namely, after digital encoder output being modulated, launch with radiowave form.
At receiving end, wireless receiving and digital decoder 208 receive and separate to be in harmonious proportion after digit translation exports to MCU, MCU controls dtmf code transtation mission circuit 206 and the telephone number of storage is encoded to dtmf signal, and send this dtmf signal by interface circuit 202 to telephone plant, when signalling tone testing circuit 203 detects that user's off-hook is replied, MCU controls the voice messaging of voice IC circuit 207 played pre-recorded, makes the person of deploying to ensure effective monitoring and control of illegal activities learn Environmental security condition information of deploying to ensure effective monitoring and control of illegal activities in time.When producing alarm, on the other hand by audible and visual alarm circuit, the alarm of generation sound or light alarm, produce certain deterrent effect to invader.
When user is for changing the telephone number be stored in internal memory, first dialing with system and the telephone user number connect, MCU triggering voice IC circuit 207, playing information of voice prompt, guide user to operate.The telephone number that user sends and dtmf signal, to receive after decoding scheme 204 decoding by MCU unloading in internal memory through interface circuit 202 and DTMF.Therefore, user easily online modification be stored in the telephone number in internal memory.
In addition, the numerical coding in radio transmitter and the digit translation in wireless receiving circuit, by arranging different addresses, can realize point-to-point, point-to-multipoint, how point-to-point communication.
Claims (8)
1. a practical remote alarm system, be connected with telephone plant, it is characterized in that, this warning system comprises environmental parameter monitoring emitter and wireless receiving alarm device, described environmental parameter monitoring emitter is connected by wireless network with wireless receiving alarm device, and described telephone plant is connected with wireless receiving alarm device;
Described environmental parameter monitoring emitter comprises D.C. regulated power supply, sensor circuit and numerical coding and radio emitting modular circuit, described D.C. regulated power supply is connecting sensor circuit and numerical coding and radio emitting modular circuit respectively, and described sensor circuit is connected with radio emitting modular circuit with numerical coding;
Described wireless receiving alarm device comprises D.C. regulated power supply and connects the microcontroller of D.C. regulated power supply respectively, wireless receiving and digital decoder, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit, described microcontroller connects wireless receiving and digital decoder respectively, interface circuit, signalling tone testing circuit, dtmf code transtation mission circuit, DTMF receives decoding scheme and voice IC circuit, described wireless receiving is connected by wireless network with radio transmitter with digital decoder and numerical coding, described interface circuit is connected with telephone plant.
2. the practical remote alarm system of one according to claim 1, is characterized in that, described sensor circuit comprises infrared sensing circuit, pressure sensor circuit and/or gas sensing circuit.
3. the practical remote alarm system of one according to claim 1, is characterized in that, described wireless receiving alarm device also comprises audible and visual alarm circuit, is connected with microcontroller.
4. the practical remote alarm system of one according to claim 1, is characterized in that, described telephone plant comprises the telephone set and telephone set outside line that are connected, and described interface circuit connects telephone set and telephone set outside line respectively.
5. the practical remote alarm system of one according to claim 1, is characterized in that, described D.C. regulated power supply comprises the transformer, bridge rectifier circuit, filter capacitor C1, integrated three-terminal regulator and the filter capacitor C2 that connect successively.
6. the practical remote alarm system of one according to claim 1, is characterized in that, described numerical coding and radio transmitter comprise the 315MHz wireless module and PT2262 chip that are connected.
7. the practical remote alarm system of one according to claim 1, is characterized in that, described microcontroller adopts AT89C51 chip; Described wireless receiving and digital decoder comprise 315MHz superregenrative reception module and PT2272 chip; Described interface circuit adopts PH8809 chip; Described signalling tone testing circuit adopts PHT01 chip; Described dtmf code transtation mission circuit adopts HT9200A chip; Described DTMF receives decoding scheme and adopts HT9170 chip; Described voice IC circuit adopts APR9600 chip.
8. the practical remote alarm system of one according to claim 3, is characterized in that, described audible and visual alarm circuit adopts NE555 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697149.5U CN204348048U (en) | 2014-11-19 | 2014-11-19 | A kind of practical remote alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697149.5U CN204348048U (en) | 2014-11-19 | 2014-11-19 | A kind of practical remote alarm system |
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| Publication Number | Publication Date |
|---|---|
| CN204348048U true CN204348048U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420697149.5U Expired - Fee Related CN204348048U (en) | 2014-11-19 | 2014-11-19 | A kind of practical remote alarm system |
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| CN (1) | CN204348048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575018A (en) * | 2016-02-20 | 2016-05-11 | 别尔地汉·阿汗 | Multifunctional alarming apparatus suitable for schools and residential districts |
| CN110696688A (en) * | 2019-09-26 | 2020-01-17 | 安徽信息工程学院 | Intelligent control system of vehicle seat |
-
2014
- 2014-11-19 CN CN201420697149.5U patent/CN204348048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575018A (en) * | 2016-02-20 | 2016-05-11 | 别尔地汉·阿汗 | Multifunctional alarming apparatus suitable for schools and residential districts |
| CN110696688A (en) * | 2019-09-26 | 2020-01-17 | 安徽信息工程学院 | Intelligent control system of vehicle seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20181119 |