CN2626797Y

CN2626797Y - Brake, alarm and antitheft device of automobile

Info

Publication number: CN2626797Y
Application number: CNU032494688U
Authority: CN
Inventors: 蒲榕生; 席鑫; 张成木
Original assignee: Individual
Current assignee: CHONGQING JINGANG QINGHONG TECHNOLOGY CO LTD; Pu Rongsheng; Xi Xin; Zhang Chengmu
Priority date: 2003-07-11
Filing date: 2003-07-11
Publication date: 2004-07-21
Anticipated expiration: 2013-07-11

Abstract

An automobile brake alarm anti-theft device includes an outer shell, a control circuit arranged in the outer shell, a travel switch and an electric motor, as well as a reducer, a central controller and a remote-control unit on the outside. A one way valve in series connection on the automobile brake oil circuit is arranged on the outer shell. The valve of the one way valve is an eccentric cam shaft with the eccentric shaft section corresponding to the valve. The eccentric shaft section is provided with oil sealing on both sides, forming airtight cavity. The eccentric cam wheel shaft extends to the outer shell and connects with the output gear of the reducer. The eccentric cam wheel shaft is provided with a travel switch in electric connection with the control circuit. The anti-theft device is in series connection on the automobile brake oil circuit by the one way valve and locks four wheels or two wheels by the original brake system of the automobile, thus achieving anti-theft function. The utility model has advantages of hidden installation position, difficult dismantling and damage, middle-control door lock, alarm function to remind the car owner, safe and reliable anti-theft measure, reasonable design structure and long service life.

Description

Automobile system is held up alarm against theft

Technical field

The utility model relates to a kind of antitheft alarm system, specifically is a kind of alert anti-joyride device of automobile system alarm that is used on the automobile.

Background technology

Automobile has become the vehicle that generally use in people's routine and the life at present, so the automobile burglar measure is also more and more paid attention to by people.Now the alarms and security systems for automobiles that occurs on the market mainly contains following severally, and A mechanically pins engine or car door and carries out antitheftly in conjunction with voice-control alarm, and its weakness is that anti-theft feature is single.Easily report by mistake, easily break through, fragile.B oil. the circuit disconnection is carried out antitheft in conjunction with voice-control alarm, be characterized in pinning automotive ignition or starting circuit, and automobile can't be started.But still have easy wrong report, defective such as easily break through.The C bus location is followed the trail of antitheft, it is characterized in that by 110 nets, realizes the tracing and positioning of automobile, and voice-control alarm is remote-controlled flame-out.Its weakness is to have signal blind zone, is subjected to the region restriction bigger.As seen, present anti-joyride device all is passive antitheft forms, and brake system that can not locked automobile in case seen through a trick, just can be broken through easily, and reliability is low, and the antitheft noise emission of acoustic control is big, also easily wrong report.

Summary of the invention

The purpose of this utility model provides the locked brake system of car of a kind of energy, has that centrally controrlled locking system is antitheft, the remote alarms function concurrently, can be initiatively and passive theft-proof automobile system hold up the warning electric anti-thief device, rational in infrastructure, safe and reliable.

The technical solution of the utility model is as follows:

A kind of automobile system is held up alarm against theft, comprises shell, is installed on control circuit, travel switch, motor, retarder and outside central controller and remote controller in the shell.Be installed with the check valve that is serially connected in the automobile brake oil circuit with shell, the valve of this check valve is an eccentric cam shaft, and its eccentric shaft part is corresponding with valve.There is oil sealing on the axial both sides of eccentric shaft part, form the fully enclosed chamber.Eccentric cam shaft puts in the output gear of connection reducer in the shell, and travel switch is set on the eccentric cam shaft, and travel switch is electrically connected with control circuit.

This structure is behind parking of automobile, by remote controller control motor, eccentric cam shaft is rotated, cause valve closing, when the high pressure brake fluid pressure in the brake pump during greater than automobile brake wheel cylinder lateral pressure, the valve opening of check valve, after treating valve both sides equilibrium of pressure, closed check valve, the side high pressure oil of brake cylinder can't reflux and keep high pressure conditions, thereby reach the purpose of locking automobile, this moment, warning circuit was in alert status.When need are removed the anti-theft alarm state, by remote controller control machine operation, eccentric cam shaft is rotated, back down valve, the brake fluid line conducting, warning circuit quits work simultaneously, and the car load brake system is recovered normal operation.

Because the difference of vehicle, the automobile four wheels has different brake circuit modes, different needs in conjunction with the user, can select four-wheel locked respectively, only lock modes such as two-wheeled or two-wheeled one component group be locked, therefore the check valve of this device can have 1-4, be parallel connection between each check valve, be connected on respectively on the automobile brake oil circuit; The valve of each check valve is all corresponding with separately eccentric segment on the eccentric cam shaft, and both sides are provided with oil sealing.

Further, because the pressure very big (about 16MPa) of high hydraulic brake fluid, in its working process, on eccentric cam shaft, can produce powerful axle pressure, if the eccentric cam shaft end is a single face leak free structure design, because of the overbalance of axle pressure, thereby will produce huge unidirectional force destruction system.Take place for fear of this phenomenon, this structure sets gradually oil sealing, bearing, packing seal and end cap at the eccentric cam the tip of the axis, with the service life of the internal balance oil assurance device that keeps each eccentric cam shaft pressure at two ends.

Adopt such scheme, the utlity model has following advantage:

1. this anti-joyride device directly is serially connected in the automobile brake oil circuit by check valve, and the installation site is hidden, and is not quick detachable, survivable, in case be disassembled or destroy, automobile will can not be driven because of brakeless, reach antitheft effect.

2. this anti-joyride device borrows the original brake system of automobile with four-wheel or two-wheeled locking when work, can't start automobile even driving engine is started also.In addition, also establish centrally controrlled locking system and warning function prompting car owner, anti-theft measure safety, reliable.

3, this anti-joyride device reasonable in design, simple, long service life, reliable operation.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the B-B cutaway view of Fig. 1;

Fig. 4 is a control block diagram of the present utility model.

The specific embodiment

At Fig. 1. Fig. 2. be labeled as among Fig. 3: the automatically controlled plate of 1 check valve .2 spring .3 valve .4O type circle .5 oil seal seat .6. oil sealing .7 plug screw .8 internal-expansion type oil sealing .9 eccentric cam shaft .10 bearing .11 switch block .12 retarder .13 is the automatically controlled plate II.18 of motor .15 shell .16 contact switch .17 flat key .19 remote controller .20 end cap, 21 packing seals, 22 bearings, 23 former car oil pipe .24 output gear .25 cables, central controller 26 I.14.

As Fig. 1. Fig. 2 and shown in Figure 3: the utility model has three parts, and a part is a body, and a part is to pass through cable 25 bonded assembly central controllers 26 with body, and some is a remote controller 19.Body is divided into two again: one is motor 14, retarder 12, the circuit card I of control circuit and driving, the control part of circuit card II and eccentric cam shaft 9 formations in the shell 15, and another piece is a check valve 1.The concrete structure of body part and position relation is as follows: the driving gear that is positioned at gear and retarder 12 on motor 14 output shafts meshes, the output gear 24 of retarder is sleeved on the eccentric cam shaft 9 by flat key 18, retarder 12 usefulness Bolt Connection are on the housing base, automatically controlled plate I, II promptly 13 and 17 are contained in respectively in the cavity of shell 15 bases, contact switch 16 electrically connects with automatically controlled plate II 17, the control that rotated by the switch block 11 on the eccentric cam shaft 9.Check valve 1 valve body and shell 15 are fixing, and eccentric cam shaft 9 puts in the interior spool as check valve of valve body.The eccentric shaft part of eccentric valve petal shaft 9 is corresponding with valve 3, the end of eccentric cam shaft 9 is equipped with internal-expansion type oil sealing 8, bearing 22, packing seal 21 and end cap 20 successively, sealing is realized by the internal-expansion type oil sealing in the axial both sides of corresponding eccentric shaft part with valve, 3 on valve is realized sealing by oil seal seat 5 and oil sealing 6, forms the fully enclosed chamber.Spring 2 is arranged in the chamber on the valve 3, and spring 2 upper ends are provided with O type circle 4 and plug screw 7.Such check valve can be provided with 1-4, and present embodiment is two.The following chamber of the valve of each check valve 1 connects the oil-feed of automobile brake oil circuit, and the chamber on valve top picks out oil, is serially connected in so respectively on the former car brake circuit 20, is relation in parallel between each check valve.

The mode of this device is seen Fig. 3: give electricity by power supply to central controller, control door, annunciator, circuit card I and II controlled motor, retarder again during central controller was controlled respectively, and retarder drives eccentric cam shaft, last controlling non-return valve valve.

The utility model is work like this: behind the parking of automobile, press this device source switch, work as making current, press remote controller 19 and " open " key, central controller 26 received signals and the automatically controlled plate I of decoding commander pass through 14 work of automatically controlled plate II commander motor by automatically controlled plate I secondary decoding.Motor 14 passes to power on the eccentric cam shaft 9 by retarder 12, drive eccentric cam shaft 9 rotations, its eccentric shaft part is corresponding with the valve 3 of check valve 1, when going to eccentric block away from valve 3 tappets, valve 3 is closed downwards under the power effect of spring 2, forms check valve this moment.When stepping on brake pedal, the high hydraulic brake fluid in the automobile brake pump enters valve body from the IN road, and valve 3 is backed down, in case when valve both sides pressure balance, valve 3 is just closed again voluntarily, makes master brake cylinder one side always be in high pressure conditions, thereby brake is stopped extremely.At this moment, switch block 11 rotates with eccentric cam shaft 9 runs into contact switch 16, by control circuit, whole brake system is quit work, and be in lockup state, and warning circuit is in alert status simultaneously.In case stranger's motor-car is arranged, warning circuit promptly can be to sending alerting signal.When needs are removed warning, making current is pressed remote controller 19 " pass " key, the work of motor reversing sense, drive eccentric cam shaft 9 rotations, eccentric shaft part upwards backs down valve, while switch block 11 break contact switches 16, and motor quits work, warning circuit and machine operation circuit also are in closed condition together, at this moment, brake fluid line has formed a complete path, and the car load brake system can be recovered normal operation.Simultaneously, the centrally controrlled locking system function of central controller realizes control by the respective switch key on the remote controller 19, further strengthens anti-theft effect.

Claims

1. an automobile system is held up alarm against theft, comprise shell (15), be installed on control circuit, travel switch, motor (14) and retarder (12) in the shell, and matching used with it remote controller in outside (19) and central controller (26), it is characterized in that: be installed with check valve (1) with shell (15), be serially connected on the automobile brake oil circuit, the spool of this check valve is an eccentric cam shaft (9), and its eccentric shaft part is corresponding with valve (3); There is oil sealing (8) on the axial both sides of eccentric shaft part, form the fully enclosed chamber, and eccentric cam shaft (9) puts in the output gear (21) of the interior connection reducer of shell (15) (12), and eccentric cam shaft is provided with travel switch on (9), and travel switch is electrically connected with central controller.

2. automobile system according to claim 1 is held up alarm against theft, it is characterized in that: the end of the eccentric cam shaft of check valve (9) is disposed with internal-expansion type oil sealing (8), bearing (22), packing seal (21) and end cap (20).

3. automobile system according to claim 1 is held up alarm against theft, it is characterized in that: check valve is provided with 1-4, for parallel connection, all is connected on the automobile brake oil circuit between each check valve; The valve of each check valve (3) is all corresponding with separately eccentric segment on the eccentric cam shaft (9), and both sides are provided with oil sealing.

4. automobile system according to claim 1 is held up alarm against theft, it is characterized in that: travel switch is made of switch block (11) and contact switch (16), switch block (11) is installed on the eccentric cam shaft (9), and contact switch (16) is bound up in the control circuit.

5. automobile system according to claim 1 is held up alarm against theft, it is characterized in that: control circuit comprises automatically controlled plate I (17).Automatically controlled plate II (13) is electrically connected with motor, centrally controrlled locking system, central controller and annunciator respectively.