CN2470893Y

CN2470893Y - Multifunction wireless anti-theft alarming device

Info

Publication number: CN2470893Y
Application number: CN 01239665
Authority: CN
Inventors: 莫万祝
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-01
Filing date: 2001-04-01
Publication date: 2002-01-09
Anticipated expiration: 2011-04-01

Abstract

A multifunctional wireless anti-theft alarm comprises a main frame, a wireless sensor cooperating with the main frame, a remote controller, and a wireless first-aid press button. The sensors and the remote controller emit warning signals to the main frame, and the signals are input into the main control board of the main frame via a wireless receiving decoding circuit. The main control board is provided with a voice circuit, a LED indicator circuit, an initiation setting circuit, a dial circuit, a buzzer, and a warning signal output unit; and sends the warning signal input by the sensor and the remote controller to the user pager, cell phone, or monitor computer of police department via the dial circuit, so as to realize anti-theft and alarm purpose.

Description

The multifunction wireless burglar alarm

The utility model relates to a kind of use in family, also can use burglar alarm in departments such as finance, enterprise warehouse, important office, secret retaining cases.

At present the burglar alarm of open source literature report has various ways, and wherein the wireless anti-theft alarming device connects up and brought convenience to installing and using because exempted tediously long probe.But existing wireless alarm system all uses fixing individual palpation key to finish the operation of withdrawing a garrison of warning system, this mode of withdrawing a garrison have 2 significantly not enough: first confidentiality relatively a little less than, because it only utilizes the code decode algorithm of coder and decoder ic in emission and the receiving circuit as the unique password barrier of warning system, because the finiteness of encryption algorithm and in use always unalterable, so compare easy crack, it two is for preventing that other people from illegally withdrawing a garrison, the user must take telepilot with oneself, and can not place house, the kinsfolk more then must everyone respectively join one, can quite feel inconvenience in the practicality.

Alarm with automatic telephone dial feature is existing many, but they all only report the generation of alert simply, and people can't know therefrom that more information is to estimate on-the-spot situation or to judge whether wrong report.The burglar alarm complex structure that has, cost is higher.

The purpose of this utility model provides a kind of weak point that can overcome prior art, has the multifunction wireless burglar alarm that structure is simple relatively, cost is low, can offer an explanation no line between wrong report, probe or sensor and the main frame to a certain extent.

The realization the technical solution of the utility model is as follows: the multifunction wireless burglar alarm comprises main frame, the power interface that main frame uses, the probe that is used with main frame, alarm bell, telepilot, telephone line interface, be characterized in that it is that central controller constitutes master control circuit board that main frame adopts a single-chip microcomputer, probe adopts the Radio infrared probe, sense cigarette probe, the wireless door magnetic probe, and be provided with Digiplex and wireless first aid button, its master control circuit board is provided with power supply and battery charger, the wireless receiving decoding circuit, output driving circuit, telephone dialer circuit, sound circuit, the LED indicating circuit, initialization is provided with circuit, and wherein the single-chip microcomputer output pin in the master control board links to each other with the each part mentioned above circuit respectively.

Above-mentioned each parts and circuit primary structure, effect are described below:

1. power supply and battery charger.

This alarm outlet can exchange or direct supply by external 12-18V, and be provided with rectification, filtering, voltage stabilizing parallel circuit and battery charger, for each several part circuit on the mainboard provides power supply, for guaranteeing that main frame is not influenced by the civil power outage, inside is provided with rechargeable battery, battery voltage detection element and charging circuit guarantee that the complete machine continuous working is more than 48 hours under no civil power situation.

2. wireless decoding receiving circuit.

The wireless decoding receiving circuit is used for the wireless signal that receiving transducer and telepilot send, it is received by radio frequency and decoding integrated circuit is formed, several pins of its decoding integrated package are the address input end of decoding algorithm, it forms different encryption algorithms with different methods of attachment, when the decoding integrated package and the address pin connection of coding integrated package are in full accord, wireless signal could successfully be decoded, and probe and remote controller signal just can be sent in the master control board.

3. pop one's head in.

Probe can use polytype probe, as feel cigarette probe, infrared probe, door magnetic probe etc., it increases the wireless encoding radiating circuit and forms on the basis of wired probe, its coded system (algorithm) is corresponding with the decoding receiving circuit in the master control board, and probe need not and the main frame line.

4. telepilot, the first aid button.

The telepilot of this alarm, it is provided with four buttons and emitting antenna outside casing, its inside also is provided with the wireless encoding radiating circuit corresponding with main frame, different with probe is, the connection difference of the integrated circuit data pin of its coding, therefore in receiving circuit, restore different data-signals, the effect of telepilot is the control that realizes the alarm work state, can be by the operation that realizes withdrawing a garrison of 2-6 passwords of four buttons input, the first aid button has the circuit structure the same with telepilot, but have only a button, in a single day this key is pressed, and no matter main frame will send first aid immediately at which kind of state is reported to the police.

5. sound circuit.

This alarm sound circuit adopts ISD series multistage speech chip, alarm will represent in advance when producing the to pop one's head in voice signal of code is recorded in respectively in the appropriate address section of chip, and it is continuous to be provided with analog switch, other has 10 seconds voice segments to leave the user for to record voluntarily, and above code voice and user speech will be called and play to alarm automatically when taking place to report to the police.

6. output driving circuit.

Mainly be to drive hummer and alarm bell, it is by hummer, alarm bell and switch triode are formed, hummer is as the prompt tone of main frame, as the keypad tone when pressing telepilot, alarm bell then gives the alarm with the tweeting sound more than 100 decibels when taking place reporting to the police, and also is provided with the number of depositing in addition and revises to allow switch, this switch connection will allow to deposit in telephone number, allows to revise some other parameter of withdraw a garrison password and main frame.

7. telephone dialer circuit.

Telephone dialer circuit is by analog switch, and the telephone number number of depositing keyboard, double-tone be integrated circuit and circuit for answering composition frequently, and when taking place to report to the police, main frame inserts telephone network by this circuit voice messaging is transferred to and spread out of to phone (or beeper) number.

8. LED indicating circuit.

The LED indicating circuit is used to indicate a few thing state of main frame, as: duties such as " civil power ", " battery ", " warning ", " charging ".

9, initialization is provided with circuit.

Initialization is provided with circuit and is made up of one group of toggle switch, diode and transistor circuit of customization host work parameter, the connecting and disconnecting of switch can be set the running parameter of main frame, as: during presignal delay between sound, warning signal ringing time, alarm call number, making call sequential scheduling.

This burglar alarm compared with the prior art, its outstanding substantive distinguishing features and obvious improvement is:

One, adopt the transmission of wireless signals mode, need not line between probe and the main frame, make installation more simple and convenient and do not influence indoor attractive in appearance.

Two, the original creation four button telepilots self-defined password mode of withdrawing a garrison has overcome the inconvenience that other wireless alarm individual palpation key mode of removing is brought.

This alarm is to utilize a telepilot with four buttons to finish control operation to main frame, the user can realize withdrawing a garrison by four button input 2-6 position passwords on the telepilot, the figure place of password and password value can be set arbitrarily, benefit is to have strengthened the convenient again use of security performance, the user can only join a telepilot and place house to use for everybody it, removes the hardship of carrying from.

Three, utilize phone to make long-distance alarm, and the sequencing of display alarm probe number and probe triggering.

The utility model can be reported out the number of alarm probe automatically by the voice of beeper demonstration and telephone set, in many probe systems, responding probe number is arranged by the responding sequencing, beeper once can show 6 probe numbers, the user can judge the alert condition in proper order according to the responding probe, can therefrom differentiate wrong report, the method of explanation wrong report is such: in many probe systems, as a magnetic probe is housed on the door and window, the probe number is assumed to be 1, in the Room or room infrared probe is housed, number is 5, and the order that probe triggers when the thief enters should be " 51 ", " 1 " expression door magnetic probe triggers earlier, infrared probe " 5 " triggers then, can see that on the warning beeper number of " 51 " shows, this probe warning order must have the thief undoubtedly, if interior room has refilled infrared probe 6, alarm indication is " 651 ", illustrates that then the thief enters the hall and entered interior room from door and window, and the user can judge alert thus.If the demonstration of warning number has only " 5 " or " 6 " then decidable is the infrared probe wrong report.

Wrong report is still a great problem in puzzlement current warning market, and if technical also difficultly report by mistake to eradicate is can be from differentiating the wrong report good way of will can yet be regarded as to the estimation at scene.

Four, the utility model can change the various duties of main frame because design has initialization that circuit is set, as: the number of calling, the order of calling, alarm delay time, warning signal ringing time etc. all can be provided with and change.This circuit can also carry out intelligent charging and daily nursing to inner rechargeable battery.

Five, the utlity model has the good ratio of performance to price, circuit is simple, and cost is low, and function is fairly perfect, is to enter the good security apparatus that average family is the contribution of social security do.

The course of work of the utility model multifunction wireless burglar alarm is:

When probe triggers or press the first aid button, they will outwards send wireless signal, main frame receives signal by antenna, ring through central processing unit judgment processing rear drive warning signal, connect telephone line simultaneously, the telephone number that pre-deposits is transferred to, then the voice messaging of played pre-recorded, four phones are dialed in each warning automatically, and circulation is dialed twice.

Below in conjunction with accompanying drawing structure of the present utility model and circuit theory are described:

Fig. 1 is an external structure synoptic diagram of the present utility model;

Fig. 2 is an alarm main circuit board circuit block diagram;

Fig. 3 is an alarm main circuit board wiring diagram;

Fig. 4 is the sound circuit wiring diagram;

Fig. 5 is wireless encoding radiating circuit figure;

Fig. 6 is wireless decoding receiving circuit figure;

From Fig. 1, see, the main frame external form of multifunction wireless burglar alarm allows switch 11 to constitute by housing 8, functional indicator light 9, the numeral number of depositing keyboard 10 and the number of depositing and modification, the wireless signal that main frame sends by antenna 7 reception Radio infrared probes 1 and wireless door magnetic probe 2, telepilot 3, wireless first aid button 4, main frame is provided with telephone line interface and is connected with telephone set 5, being provided with the alarm bell control interface is connected with alarm bell 12, main frame adopts civil power to introduce in the main frame from supply socket 6 after transformation, battery is housed in the main frame, the circuit operate as normal is provided when no commercial power supply.

From the block diagram of Fig. 2, see, main control circuit comprises main control singlechip IC1, sound circuit, wireless decoding receiving circuit, power supply and battery charger, LED indicating circuit, output circuit, initialization are provided with circuit and telephone dialer circuit, main control singlechip IC1 has some groups of pins, receives respectively on each circuit.

Circuit theory as shown in Figure 3, IC1 is formed by 89C51 or 8751 chip development, C7, R11 constitute the electrify restoration circuit of IC1.X1, C9, C10 form clock oscillator, and for IC1 provides running clock, remaining IO pin of IC1 then is connected with following each several part circuit respectively:

One, initialization is provided with circuit, indicator light circuit, telephone dialer circuit.

They are connected on the P2 mouth of IC1 jointly, and IC1 reads the host parameter setting at the beginning of electrification reset, the Host Status of driven for emitting lights diode indication afterwards, and the P2 mouth is used for dialing control when entering warning.

Initialization is provided for customizing the running parameter of main frame, as warning signal ringing time, alarm delay time, dialing cycle index etc.Circuit is made up of diode D16-D23, octavo pass cell S W1, triode T8 and R30, R31, C11, when circuit just powers on, 5V voltage charges to C11 through R30, T8 base stage, make the T8 conducting, T8 collector shorted to earth draws the P2 mouth line of corresponding IC1 by switch contact closed among the SW1 and D16-D23 to be low level.Not closed contact pairing P2 mouth line then remains high level.The moment of IC1 after each electrification reset read the P2 mouth, and setting deposits internal storage location in as parameter with its state.Along with the C11 charging is saturated, the T8 base stage loses electric current gradually and ends, and its collector opens circuit over the ground, makes this partial circuit no longer include influence to the P2 mouth.D16-D23 is used to isolate the influence between each pin of P2 mouth.

IC1 P2 mouth after entering normal operating conditions is used for driven for emitting lights diode D8-D15, shows Host Status.Do not have influence because dial-up circuit is in closed condition to dialing this moment.Light emitting diode is little power consumption high brightness luminescent pipe, current-limiting resistance R22-R29 value 10K Europe.Luminotron shows Host Status such as " civil power ", " battery ", " warning ", " charging ".

Dial-up circuit is by analog switch, the number of depositing keyboard, double-tone is integrated circuit and circuit for answering composition frequently, simulate switch and be used to touch imitative button connection so that IC1 control is dialled, IC4 has the abbreviated dialing function, can store the dual-tone dialing integrated package of 10 above telephone numbers, and its pin R5, R4, R3, R2, R1 and C1, C2, C3 are the dialing keyboard input end, they with simulate switch and link to each other, also link to each other in addition by the socket CN3 phone number of depositing keyboard to that indicated in the drawings.This keyboard only is used for depositing presetting number of cell phone in IC4, IC1 when reporting to the police then the abbreviated dialing function by IC4 access the number that stores among the IC4 and transfer to, the DP pin of IC4 is a dislodging machine control end, constitute circuit for answering by T9, T10 and R34, R35, R39, D28, light emitting diode D29 indication circuit is connected, DTMF is a double-tone output terminal frequently, and double-tone amplifies through T11 frequently sends into telephone line, IC4's

End is for starting pin, P35 pin control by IC1, usually for making IC4, high level is in closed condition, this end becomes low level during dialing, IC4 is activated and works, and DP end is exported high level thus and made T9, T10 conducting and finish the off-hook action, and IC4 begins to accept push button signalling simultaneously, pilot lamp D8-D15 will flash with dialing signal during dialing, get back to the Host Status indication after dialing finishes.

Two, output circuit

During warning, the P16 of IC1 output high level makes T5, T6 conducting, and the alarm bell that links to each other with the T6 collector obtains electricity and rings, and warning signal ringing time length then can be set by the SW1 that the main frame initialization is provided with in the circuit.

T4 drives hummer Z1, and this hummer is as the keypad tone of remote keying and the prompt tone of various operations when setting up defences (as ring represent to enter for two to set up defences), and buzzerphone is by the P17 end output of IC1.

K1 is for the number of depositing and revise the permission switch, the P14 of IC1 end is drawn and is low level when this switch connection, P35 will and then become low level and start IC4 and enter duty, but this moment IC1 P20-P27 all be output as 0 level, IC2, IC3 bidirectional analog switch all turn-off.Can and deposit among the IC4 this moment by the number of depositing keyboard input telephone number, finishes the default of telephone number.The K1 connection allows by other parameter of telepilot modification password, permission modification main frame simultaneously, allows to enter the user speech recording state.

Three, sound circuit

IC1 connects sound circuit by four I0 lines of P04-P07 through CN1, uses ISD series multistage speech chip such as ISD1420, and its circuit as shown in Figure 4.IC1 adopts the serial addressing mode to its recording playback sound control system, P07 meets recording control end REC, P06 meets playback trigger end PLAYL, P04, P05 meet address end A0, the A4 of ISD1420, countless many sections of this kind connected mode addressable in theory are as long as speech chip has abundant section capacity.

After each dialing, IC1 will control two sections voice messagings of sound circuit broadcast to this alarm under alarm condition, its first section public voice segments all will playing for All Alerts, and this section is the voice in about 10 seconds of being recorded voluntarily by the user.Second section is the code segment corresponding to each probe code, and it is the code information with voice report responding probe.Voice signal is sent into telephone network by 5 pin of CN1 and the base stage of C1 injection T11.

Four, wireless decoding receiving circuit

The wireless decoding receiving circuit is used to receive the wireless signal of telepilot emission, it is received by radio frequency and decoding integrated circuit is formed, several pins of its decoding integrated package are the address input end of decoding algorithm, the signal that receives is sent into P10-P13 and the P33 of IC1 by gang socket CN2, what send into P10-P13 is decoded data, sending into P33 is " data are effective " signal VT, VT is a high level pulse, need are anti-phase through T3 to be that low level pulse is supplied with IC1, it represents that the data on P10-P13 are effective, and notice IC1 reads this data.

The wireless decoding receiving circuit as shown in Figure 6, this circuit uses the finished product circuit module of selling on market, it is made up of radio-frequency (RF) receiving circuit and decoding integrated circuit AX5327P-4.Circuit has the 7 pin interfaces identical with CN2, but straight cutting is in CN2.The encoding transmitting circuit that matches such as Fig. 5 are made up of coding integrated circuit AX5326P-4 and radio-frequency transmissions circuit.A0-A7 the pin of encoding and decoding integrated package is the coding and the address input end of decoding algorithm in emission and the receiving circuit, and each end is by unsettled or connect with VDD, GND, A0 pin and to realize multiple different code decode algorithm.When the connection of the A0-A7 of encoding and decoding integrated package is in full accord, receiving end could be successful to the decoding that transmits, data on D0-D3 pin of coding integrated package AX5326 just can be sent on D0-D3 pin of decoding integrated package AX5327, and high level pulse of the VT of AX5327 end output is represented to decode successfully simultaneously.

Encoding transmitting circuit among Fig. 5 is exactly the ingredient of probe and remote control circuitry, D0-D4 pin of coding integrated package AX5326 is connected into different heuristicimal codes, it is the internal code that a number among 4-F just becomes this probe that probe connects, and it is 0,1,2,3 that four buttons of telepilot then connect respectively.When receiving a code, IC1 can judge that key set code still is the probe sign indicating number, be that key set code is then carried out corresponding button handling procedure, be that the probe sign indicating number is then carried out warning, and this code is deducted 3 backs together spread out of with telephone number as the numbers of this probe, this number is exactly the responding probe number that is showing on the beeper or hearing in phone.

As long as the A0-A7 connection of the encoding and decoding integrated package in the emission of every suit alarm and the receiving circuit is consistent, the signal of its probe and telepilot is just received by main frame, and the connection difference owing to A0-A7 between different the overlapping then can not be general.The connection of A0-A7 has just constituted one password of alarm.Present existing radio alarming device all with this coding as the unique password barrier of withdrawing a garrison, this password in use is unalterable, easily is cracked.This warning circuit has then been set up the User Defined password on the basis of this coding, this password is by four button inputs on the telepilot, and 2-6 of the figure places of password are set arbitrarily, and the user can change password value arbitrarily.Withdraw a garrison and must correctly import user cipher and just can finish, this just gives to crack has increased difficulty, also can make the user relievedly telepilot be placed house, removes the hardship of constantly carrying from.

Five, power supply and battery charger

This alarm is powered with external low-tension supply, 12-18V direct current or alternating voltage are imported by outlet, behind rectifying and wave-filtering by three-terminal voltage-stabilizing integrated package 7805 voltage stabilizing supply circuit each several parts, has only the power supply before charging circuit uses voltage stabilizing, IC1 detects the power supply of importing by P36 pin and T1, when keeping conducting, T1 shows that power supply is normal, by then showing the external power supply outage, cell voltage is then detected by IC5, IC5 is little power consumption voltage-level detector, its output terminal output low level when cell voltage is lower than certain value, the P02 of IC1 is drawn to be low level, IC1 will deal with to cell voltage is low excessively, as prepare to charge or point out the user to change battery etc. with the mode of buzz or pilot lamp flicker, charging control is by the P37 output of IC1, T7, T2 constitutes the charging driving circuit, IC1 can charge to battery according to the situation of the use of battery, and in the charging of daily nursing property automatically.

Claims

1, a kind of multifunction wireless burglar alarm, comprise main frame, the power interface that main frame uses, the probe that is used with main frame, alarm bell, telepilot, the phone output interface, it is characterized in that: it is that central controller constitutes master control circuit board that main frame adopts a single-chip microcomputer, probe adopts the Radio infrared probe, the wireless door magnetic probe, and be provided with Digiplex and wireless first aid button, master control board is provided with power supply and charging circuit, the wireless decoding receiving circuit, sound circuit, output driving circuit, telephone dialer circuit, the LED indicating circuit, initialization is provided with circuit, and wherein the single-chip microcomputer IC1 output pin in the master control board links to each other with the each part mentioned above circuit respectively.

2, multifunction wireless burglar alarm according to claim 1 is characterized in that power supply and battery charger are provided with rectification, filtering, voltage stabilizing parallel circuit and rechargeable battery, and is provided with the battery detecting element.

3, multifunction wireless burglar alarm according to claim 1 is characterized in that the wireless decoding receiving circuit is received by radio frequency and decoding integrated circuit is formed, and several pins of its decoding integrated package are the address input end of decoding algorithm.

4, multifunction wireless burglar alarm according to claim 1 is characterized in that the Digiplex casing is provided with four buttons and emitting antenna, and inside is provided with and the corresponding wireless encoding radiating circuit of main frame.

5, multifunction wireless burglar alarm according to claim 1 is characterized in that sound circuit adopts the multistage speech chip of 1SD series, and adopts the serial addressing mode corresponding with the recording control panel.

6, multifunction wireless burglar alarm according to claim 1 is characterized in that output driving circuit by hummer, and the transistor circuit that alarm bell links to each other with them is formed.

7, multifunction wireless burglar alarm according to claim 1, it is characterized in that telephone dialer circuit is by analog switch, the phone number of depositing keyboard, double-tone be integrated circuit and circuit for answering composition frequently, and double-tone integrated circuit frequently is connected with the dialing keyboard input end, and links to each other with analog switch.

8, multifunction wireless burglar alarm according to claim 1 is characterized in that initialization is provided with circuit and is made up of one group of toggle switch, diode and transistor circuit of customization host work parameter.