CN2314985Y - Safety anti-riot device for taxi - Google Patents

Abstract

The utility model belongs to a wireless receiving microswitch triggering type alarm device used for preventing a taxi from being robbed. The utility model is mainly composed of a microswitch combined board, a transmitter, an electronic detonator and a machine shell body. A circuit board arranged in the shell body is composed of an executive circuit, an amplifying circuit, a transmitting circuit, a receiving circuit and an open circuit. The device having small size is convenient to conceal, and operation is convenient without malfunction due to the adoption of micro triggering. The device has can be used for remote-control command, and has the functions of preventing thieves, sounding alarm and preventing explosion particularly anti-damage. The reliability of the device is enhanced, and the utility model is the most ideal anti-explosion device in Chinese taxi trade at present.

Description

Taxi safety riot gear

The utility model relates to a kind of wireless receiving, and micro-switch trigger-type warning device is used for the anti-riot of public taxi.

At present some unprincipled fellows have invested the sight of crime on the public taxi, and their misfortune car that kills a person loots property, brought harm to society, also had a lot of antitheft alarm systems to solve the stolen problem of automobile at present, but come with some shortcomings, as function singleness, when driving door by force, can only send chimes of doom, the false alarm rate height, be not intended to contact vehicle body such as other personnel, also can cause flase alarm, bring a lot of troubles to the driver, and in taxicar travels, more fall down on the offender.

It is little to the purpose of this invention is to provide a kind of volume, easy for installation, and it is big to tackle criminal's power, and cheap wireless receiving, micro-switch trigger-type warning device are used for the anti-robbery of public taxi.

The utility model mainly contains fine motion compoboard (1), projector (2), electronics thunder (3), alarming horn (4), housing (5), flame-out line (6), lid (7), internal circuit board (8) constitutes, wiring board is arranged in the housing (5), circuit is by executive circuit, transceiver circuit, open-circuit, amplifying circuit is formed, the utility model is to realize like this, outside this center machine, fine motion compoboard (1) is arranged, projector (2), electronics thunder (3), the mutual mode of connection of alarming horn (4), all adopt two Connector Clips to finish, this machine is once promptly being ready with power connection, current sinking this moment few (about 70MA), if touch micro-switch compoboard (1) or telecommand (2) immediately by the conducting of receiving unit trigger circuit, promote executive circuit work and self-locking, finish flame-outly simultaneously, annunciator (4) is reported to the police, electronics thunder (3) outburst, and the open type circuit is arranged, when destruction center's machine, ignite second electronics thunder R ₁₀, this moment, automobile did not have low-voltage power supply, although key also on operating switch, can not start running.

One, executive circuit:

Executive circuit is by BG ₁, J ₁, SCR ₁, SCR ₂And R ₇Form, external instruction makes BG ₁Conducting, drive J ₁Adhesive, switches set K _1-1Normally closed some open circuit, make be serially connected with automobile high voltage package low-voltage supply line open circuit form flame-out, J ₁Switches set K _2-2Closure, the one tunnel send electricity, a route R for the alarm amplifying circuit ₇To BG ₂Send+bias voltage, another road makes SCR ₂Conducting makes R ₆The electronics fulminating is sent out, and cross-over connection is in BG ₁SCR between the C utmost point and the ground ₁, be to send a positive electricity triggering and conducting, and auto-lock function arranged by micro-switch.

Two, amplifying circuit:

Amplifying circuit is by IC ₁, IC ₂, R ₉, DW ₂, C ₆, IC ₃Form, work as J ₁After the adhesive, from K _2-2To amplifying piece IC ₁, IC ₂Power supply, and through R ₉, DW ₂, C ₆After the current limliting voltage stabilizing, for IC ₃(stamen sheet 9562) work is in the driving signal of the about 700mv of output pin output, because digital output directly is input into IC ₁Signal pins amplify, the about 10w of horsepower output directly promotes speaker operation.

Three, transceiver circuit:

Transceiver circuit mainly contains micro radio emitter TWg9236, receiver TWg9238 and R ₂, R ₃, R ₄, D ₁, DW ₁, C ₁, BG ₁, I ₂Form, when emitter is in the A key, no signal output, when pressing the B key, receiver can be received high-frequency signal in hundred meters, the detection amplitude limit amplifies, the shaping decoding is latched, and exports a code signal, through R ₂R ₃R ₄Flow to BG ₁The B utmost point, BG ₁Conducting, D ₁Be used for preventing the power supply reversal connection, R ₁, DW ₁, C ₁Be that D is powered in the current limliting voltage stabilizing to receiver ₂Be used for preventing that peak inverse voltage from puncturing BG ₁

Four, open type circuit:

The open type circuit is by R ₇, BG ₂, BG ₃, J ₂Form, when this machine trigger report to the police after, by J ₁K _2-2Through R ₇Give BG ₂Send+bias voltage, make it conducting, but because at ordinary times at ground and BG ₂Link compressing BG between the base stage with a flexible cord ₂, BG ₃Can not work, when flexible cord is broken J ₂Adhesive immediately causes electronics thunder R ₁₀(this road is used for countersabotage).

Five, power supply:

The 12v storage battery that this machine utilization is installed with car is made power supply.

The utility model removes seat cushion and flap when the driver uses, and this machine is cemented a suitable place in seat Cang Dong, and this machine bottom has been got the high-tenacity double coated film ready; Alarm speaker (4) is fixed in hull defilade place; By the tightening screw of machine or car body, electronics thunder (3) iron sheet support is fixed, require the electronics thunder apart from about 5 centimeters on other object; Two thick red lines are sealed in the low-voltage power supply place of high voltage package respectively; Driver's seat front panel sheath is removed an end, the micro-switch compoboard is cemented, restore then; Connect two connectors, all connect this moment and finish, energized (not by any switch), this machine has entered work static state, if when clicking projector (2) A key, or touches microassembly plate, should stop working immediately, alert sound, the outburst loud noise, functions such as blanket are if click the B key again, quit work, change armed state once more over to, after the first time, the electronics fulminating was sent out, car was flame-out, it is several to report to the police, just in case the further destruction center of ruffian peripheral devices, still to no effect (because of self-locking), as further destruction (sedan-chair lift bonnet, face lift the driver's seat), will suffer immediately electronics thunder for the second time Hong attack, blanket stops crime, the countersabotage function of Here it is this device.The electronics thunder has powerful sound, and sound no fire does not have destructive force to people, car.

Embodiment:

Micro-switch compoboard (1) is equipped with several miniature soft-touch type button switchs, cements on the driver's seat front panel.Be connected with the circuit card (8) in the housing, projector (2) has the driver to carry, receptor is fixed on the circuit card (8), flame-out line (6) is serially connected in the high voltage package low-voltage supply line, the shelter was connected with circuit card (8) near alarming horn (4), electronics thunder (3) were contained in this car engine respectively, lid (7) fixes, the high-tenacity double coated film (9) of housing (5) bottom, and housing (5) is made with plastic material.Be of a size of 40 * 75 * 150 (mm).

The used element model of the utility model circuit is: R ₁--R ₁₀Be respectively 520 Ω, 22k, 22k, 22k, 2.4k, 100 Ω, 110k, 35 Ω, 2.2k, 100 Ω, (unit: Ω):

C ₁--C ₈Value be respectively 10 μ F, 30 μ F, 200 μ F, 0.01 μ F, 0.2 μ F, 0.01 μ F, 0.22 μ F;

D ₁-D ₂Select 1N5408,1N4007;

DW ₁-DW ₂Select 2CW ₆, 2CW ₁₂

J ₁-J ₂Select JRX--13F, JIC--22F;

BG ₁--BG ₂?9013?3DG ₆?3DG ₁₂；

SCR ₁-SCR ₂?100--6?1819；

Alarm speaker choosing: 8 Ω, 5W

Description of drawings:

Figure one is schematic circuit diagram of the present utility model

Figure two is structural representations of the present utility model

Micro-switch compoboard (1), projector (2), electronics thunder (3), alarm speaker (4), housing (5), flame-out line (6), lid (7), circuit card (8), powerful biplate film (9).

The utility model has the advantage of that this device volume is little, be convenient to hidden, because of with adopting Fine motion triggers, and is easy to operate, do not have misoperation, and this setting is remote-controlled instruction also, not only The energy remote-control anti-theft sends chimes of doom, again can be anti-riot, cause the electronics thunder, and blanket, The fright criminal guarantees safety of person vehicle, and especially countersabotage function has more increased this setting Reliability, it is low that this arranges the circuit cost of material, need not the frequency tracking in the production process, It is optimal riot gear in present China taxi industry.

Claims (5)

1. taxi safety riot gear, it is characterized in that micro-switch compoboard (1), projector (2), electronics thunder (3), alarming horm (4), housing (5) composition, wiring board is arranged in the housing (5), and circuit is made up of executive circuit (6), amplifying circuit (7), acceptor circuit (8), open-circuit (9).

2. scholar's safety riot gear according to claim 1 is characterized in that executive circuit (6), by BG ₁, J ₁, SCR ₁, D ₂, C ₂, R ₅Form BG ₁Base stage connects receiver R ₁, R ₂, R ₃Signal output part, J ₁The 1--1 switches set is connected in the automobile high voltage package low-voltage supply line, K ₁2--2 gives R respectively ₇, SCR ₂Trigger pin, IC ₁, IC ₂, KC ₅₈₁The alarm power supply.

3. scholar's safety riot gear according to claim 1 is characterized in that amplifying circuit (7), by IC ₁, IC ₂, KC ₅₈₁, C ₄, C ₅, C ₇, C ₈, C ₆, R ₈, R ₉, DW ₂Form, power supply place is connected in the K of executive circuit ₁2--2 switch feeder ear, the mouth newspaper loudspeaker of receiving a crime report.

4. taxi safety riot gear according to claim 1 is characterized in that transmitting and receiving circuit (8), by 40 megahertz microtransmitter TWG9236, receiver TWG9238 and R ₂, R ₃, R ₄, R ₅Form, by R ₁, C ₁, DW ₁The voltage stabilizing power supply is by R ₁, R ₂, R ₃Output pulse signal.

5. taxi safety riot gear according to claim 1 is characterized in that open-circuit (9), by R ₇, BG ₂, BG ₃, J ₂Press tailors tack to form R over the ground ₇Be connected in executive circuit K ₁The 2--2 end, J ₂Switch terminals connects electronics thunder one end.

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