CN1460617A - Antitheft mechanism for car - Google Patents
Antitheft mechanism for car Download PDFInfo
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- CN1460617A CN1460617A CN03117853A CN03117853A CN1460617A CN 1460617 A CN1460617 A CN 1460617A CN 03117853 A CN03117853 A CN 03117853A CN 03117853 A CN03117853 A CN 03117853A CN 1460617 A CN1460617 A CN 1460617A
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- gear
- valve
- spool
- fuel
- motor
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Abstract
The anti-theft mechanism for car includes a fuel valve series-connected on the fuel tube, a brake valve connected in the brake oil circuit or gas circuit pipe, an ignition switch and a control mechanism including a billiard latch head, and the control mechanism can simultaneously lock car fuel circuit, brake oil (or gas) circuit and ignition switch.
Description
Affiliated technical field
The present invention relates to a kind of alarms and security systems for automobiles, especially a kind of anti-joyride device by control mechanism while locked car power oil-duct and brake solution (or gas) road.
Background technology
Existing automobile anti-theft lock generally is the method that adopts the lock operation member, and as lock bearing circle, lock drg etc., its structure is simpler, and anti-theft feature is destroyed easily.Publication number is that the Chinese patent of CN1255445 discloses a kind of " alarms and security systems for automobiles ", adopts one of the beepbox control can be with the blocking device of power oil-duct and brake fluid line locking, also Control Engine cover lock and central door lock simultaneously.Though this device has certain anti-theft effect, the car stealer is easy to pry open bonnet strap circuits again, thereby opens blocking device.
Technology contents of the present invention
The problem to be solved in the present invention is to provide a kind of burglar-proof mechanism that can automobile power oil circuit, brake solution (or gas) road and ignition lock be locked simultaneously by control mechanism.
The present invention adopts following technical scheme, comprise that one is serially connected with the fuel valve on the fuel supply pipe, a brake valve that is connected in brake fluid line or the gas path pipe, and the control mechanism of control fuel valve and brake valve break-make, also comprise an ignition lock, described control mechanism comprises the tapered end of a billiards lock structure, and described ignition lock is controlled by aforementioned control mechanism.
As improvement of the present invention, described fuel valve, brake valve is concentrated and is installed on the valve seat, described control mechanism also comprises an electrical motor that is provided with circuit for controlling motor, one first gear, one second gear, the axle of first gear is connected on the axle of electrical motor, second gear is meshed with first gear, the axle two ends of second gear link to each other with the spool of fuel valve and the spool of brake valve respectively, second gear can drive aforementioned two spools and rotate synchronously, described circuit for controlling motor comprises a lock core switch (K1), two spool mode switch (K2, K3), described circuit for controlling motor can and stop according to aforementioned lock core switch and two spool mode switch control motor rotatings, thus the on off mode of control fuel valve and brake valve.
As another kind of improvement the of the present invention, described fuel valve and brake valve are concentrated and are installed on the valve seat, described control mechanism also comprise one with tapered end in lock pin coaxial and can be with the synchronous lock core gear of rotation of lock core, spool with fuel valve is coaxial and can drive the abnormity band finger cam of spool rotation synchronously, spool with brake valve is coaxial and can drive the brake valve gear that spool rotates synchronously, lock core gear is meshed with abnormity band finger cam and brake valve gear simultaneously, described ignition lock is a micro-switch, is controlled by abnormity band finger cam.
Also has a kind of improvement as of the present invention, described brake valve is an electromagnetic valve, described control mechanism comprises that also the axle of the control circuit of an electrical motor, control motor and electromagnetic valve, motor pinion, fuel valve gear, motor pinion is connected on the axle of electrical motor, the fuel valve gear is meshed with motor pinion, the axle of fuel valve gear links to each other with the spool of fuel valve, and the spool that the fuel valve gear can drive fuel tap rotates synchronously.
Improve again as of the present invention, be provided with a sensor of discerning key with suitable being used in pellet shot from a slingshot hole on the described tapered end at least.
As a further improvement on the present invention, lock core in the described tapered end is " Y " font keys pincers groove slotted eye with three row's pellet shot from a slingshot holes, and the row of three on pairing tapered end pellet shot from a slingshot hole has at least on two row's pellet shot from a slingshot holes and respectively is provided with one with the suitable the sensor in pellet shot from a slingshot hole.
Further improve as of the present invention, also comprise a testing circuit that is used for monitors ignition switch wire direction of current and on off mode of being located in the described control circuit.
Of the present invention also have a kind of improvement to be, comprises that also there is testing circuit in a lock core.Improve once more is to set up nuditing wire, exposed switch, fuel valve and brake valve joint Working state checking circuit.
Adopt the present invention to have following advantage:
1, because the present invention locks power oil-duct and brake solution (or gas) road and the engine ignition switch of automobile by the control mechanism centralized control, there is not specific corresponding key, even being opened, car door and bonnet also be difficult to open in the short time lock, also be difficult to take to connect fuel passage, restore the brake pipeline, the way of switching on the ignition circuit is walked around this burglar-proof mechanism again, the advantage that so the present invention has is safe and reliable, anti-theft feature is strong, the electronic reconnaissance warning circuit of setting up has strengthened its anti-theft feature more.
2, the present invention uses easy to operately, is easy to promote the use of.
The drawing explanation
Fig. 1 is first kind of embodiment of the present invention (by the motor-driven spool) structural representation.
Fig. 2 is that the A-A of Fig. 1 cuts open and shows scheme drawing.
Fig. 3 is second kind of embodiment of the present invention (manual drives spool) structural representation.
Fig. 4 is that the A-A of Fig. 3 cuts open and shows scheme drawing.
Fig. 5 is the third embodiment of the present invention (brake valve employing electromagnetic valve) principle schematic.
Fig. 6 is first kind of embodiment circuit for controlling motor of the present invention figure.
Fig. 7 is motor and the solenoid valve control circuit figure of the third embodiment of the present invention.
Fig. 8 is a key identification sensor principle schematic of the present invention.
Fig. 9 is the principle schematic of " Y " of the present invention font lock core band key identification sensor.
Figure 10 is that lock core of the present invention exists the testing circuit schematic diagram.
Figure 11 is ignition lock direction of current and the on off mode testing circuit figure of a kind of embodiment of the present invention.
Figure 12 is the testing circuit figure that the present invention is used to monitor nuditing wire, exposed switch.
Figure 13 is that the present invention is used to monitor fuel valve, brake valve pipeline connection status circuit figure.
The specific embodiment
As Fig. 1, shown in Figure 2, the present invention includes a fuel valve 1 that is serially connected with on the fuel supply pipe, a brake valve 2 that is connected in brake fluid line or the gas path pipe, and the control mechanism of control fuel valve 1 and brake valve 2 break-makes, an ignition lock 4, described control mechanism comprises a cylinder lock 5, described ignition lock 4 is controlled by aforementioned control mechanism, described fuel valve 1, brake valve 2 is concentrated and is installed on the valve seat, described control mechanism also comprises an electrical motor 6 that is provided with circuit for controlling motor, one first gear 7, one second gear 3, the axle of first gear 7 is connected on the axle of electrical motor 6, second gear 3 is meshed with first gear 7, the axle two ends of second gear 3 link to each other with the spool of fuel valve 1 and the spool of brake valve 2 respectively, second gear 3 can drive aforementioned two spools and rotate synchronously, described circuit for controlling motor comprises a lock core switch (K1), two spool mode switch (K2, K3), described circuit for controlling motor can and stop according to aforementioned lock core switch and two spool mode switch control motor 6 rotatings, thus the on off mode of control fuel valve 1 and brake valve 2.Fig. 6 is circuit for controlling motor figure of the present invention.Its principle of work is as follows: the contact 2 of K switch 1 was connected with contact 1 when lock core was just changeing, electric current through positive source through K switch 1 flow through electrical motor M from the A point again after to B, the negative pole of getting back to power supply E to the contact 1 and the contact 2 of K switch 2, this moment, electrical motor just changeed, just changeing with coaxial first gear 7 of electrical motor simultaneously, second gear 3 is also followed rotation.When second gear 3 forward fuel valve 1 conducting to, simultaneously during the position of the state of brake valve 2 releasing of brakes, the contact 1 of K switch 2 and contact 2 disconnect, the contact 1 of K switch 3 and contact 2 conductings, motor power is disconnected and stops operating.When the lock core contrarotation, K switch 1 contact 2 and contact 3 conductings, motor circuit is closed again, electric current sets out through the positive pole of power supply E, through the contact 2 of K3 and contact 1 to B by behind the electrical motor M to A, the negative pole of getting back to power supply E by the contact 2 and the contact 3 of K switch 1 again, electrical motor counter-rotating.First gear 7 coaxial with electrical motor also reverses, simultaneously with first gear, 7 ingears, second gear 3 also backward rotation, when second gear, 3 drive fuel valves, 1 disconnection oil circuit, when brake valve 2 is got back to and stopped tight state position, the contact 1 of K switch 3 and contact 2 disconnect, the contact 1 of K switch 2 and contact 2 conductings are for just transferring to preparation next time.
As Fig. 3, shown in Figure 4, the present invention includes a fuel valve 11 that is serially connected with on the fuel supply pipe, a brake valve 12 that is connected in brake fluid line or the gas path pipe, and the control mechanism of control fuel valve 11 and brake valve 12 break-makes, an ignition lock 13, described control mechanism comprises the tapered end 14 of a billiards lock structure, described ignition lock 13 is controlled by aforementioned control mechanism, described fuel valve 11 and brake valve 12 are concentrated and are installed on the valve seat, described control mechanism also comprise one with tapered end 14 in lock pin coaxial and can be with the lock core lock core gear 15 of rotation synchronously, spool with fuel valve 11 is coaxial and can drive the spool abnormity band finger cam 16 of rotation synchronously, spool with brake valve 12 is coaxial and can drive the spool brake valve gear 17 of rotation synchronously, lock core gear 15 is meshed with abnormity band finger cam 16 and brake valve gear 17 simultaneously, described ignition lock 13 is a micro-switch, is controlled by abnormity band finger cam 16.Certainly, ignition lock 13 also can be the switch of other type, and its mode also can be by other mechanism controls coaxial with gear 16.Its working process is as follows: insert key rotation lock core, lock core gear 15 drives abnormity band finger cam 16 and brake valve gear 17 rotates synchronously, rotate to 11 conductings of certain angle fuel valve, brake valve 12 releasing of brakes, continue the twist lock core again, micro-switch is driven by abnormity band finger cam 16, but start the engine.
Being illustrated in figure 5 as the third embodiment of the present invention, is a kind of improvement on first kind of embodiment basis, is about to brake valve and changes electromagnetic valve into by stopcock, and the electromagnetic valve position can be provided with flexibly.Described control mechanism comprises that control circuit, motor pinion 32, the fuel valve gear 33 of electrical motor 31, control motor and electromagnetic valve, the axle of motor pinion 32 are connected on the axle of electrical motor 31, fuel valve gear 33 is meshed with motor pinion 32, the axle of fuel valve gear 33 links to each other with the spool of fuel valve 34, and the spool that fuel valve gear 33 can drive fuel valve 34 rotates synchronously.Its working process is as follows: after key inserts lock core, lock core goes to certain angle electrical motor 31 power connections, electrical motor 31 drives 33 rotations of fuel valve gear by motor pinion 32, go to 31 stalls of certain angle electrical motor, fuel valve 34 conductings, electrical motor 31 power connections are simultaneously, electromagnetic valve 35 power connections, brake is unclamped in electromagnetic valve 35 actions, and automobile can move by further ignition trigger, and the operation of lock car is opposite with this program.Electromagnetic valve also can be set up direction of current and on off mode testing circuit, to strengthen its theftproof performance.Fig. 7 is motor of the present invention and electromagnetic valve control circuit figure.
Be illustrated in figure 8 as a kind of improvement of the present invention, promptly on tapered end of the present invention, be provided for discerning the sensor of key, comprise lock core marble 41, lock tube pellet shot from a slingshot 42, portable bar 43, compression spring 44 and micro-switch 45, its working process is as follows: when key injects lock core 47, lock core marble 41 promotes lock tube pellet shot from a slingshot 42, portable bar 43 is also followed extruding micro-switch 45, so the shifter bar 46 of micro-switch 45 is oppressed, the contact 1 of micro-switch 45 and contact 3 disconnect, contact 2 and contact 3 conductings simultaneously, the A point of IC2-3 just becomes high potential (numeral " 1 ") by original active potential (digital " 0 "), also becomes numeral " 1 " by original digital " 0 " through this 1/0 interface of electric potential transducer (energy disperser) IC2-3 single chip microcomputer IC3.Key continues to insert toward lock core 47 the insides, is in stabilized conditions up to inserting, and the input of this of IC3 1/0 interface also is in stabilized conditions.The input of 1/0 interface of IC3 is encoded, just can verify the key correctness of insertion, if wrong key, IC3 can be from the digital signal W of a warning of another 1/0 interface output.
As shown in Figure 9, the present invention can adopt " Y " font key pincers groove slotted eye 51 with three row's pellet shot from a slingshot holes, and three row's pellet shot from a slingshot holes of pairing lock tube 52 respectively are provided with one with the suitable the sensor 53 in pellet shot from a slingshot hole.
As shown in figure 10, for preventing that other people from boring lock core and destroying anti-theft feature of the present invention, the another kind of improvement of the present invention is to set up lock core to have testing circuit, comprise: micro-switch K5, be located at pellet shot from a slingshot 62 and compression spring 63 in the lock tube 61, when lock core 64 remains in the lock tube 61, the contact 2 of micro-switch K5 and contact 3 conductings, IC2-2 is input as active potential (digital " 0 "), digital " 0 " also is digital " 0 " through one 1/0 interface that energy disperser is transported to IC3, is decided to be correct input during the IC3 design.When not having lock core, under the pressure of compression spring 63, pellet shot from a slingshot 62 comes off, the handle 65 of micro-switch K5 loses pressure, contact 2 and contact 3 disconnect, energy disperser IC2-2 input becomes high potential (numeral " 1 "), and IC2-2 is transported to numeral " 1 " numeral of this 1/0 interface of IC3 just for " 1 ".IC3 thinks and makes mistakes, just from warning digital signal W of another 1/0 interface output.
As shown in figure 11, overlap power supply and destroy anti-theft feature of the present invention, set up the direction that is used for the monitors ignition switching current and the testing circuit of on off mode, comprise integrated operational amplifier IC1, a diode D of device as a comparison for preventing other people.Its principle of work is as follows: after ignition lock K4 closure of the present invention, electric current is through the A point, diode D to B again to igniter for automobile Z.When electric current flows from this direction, the negative polarity input end U of IC1
A＞U
B(straight polarity input end), the output U of IC1
o=U
L(active potential), U
oBe transported on one 1/0 interface of single chip microcomputer IC3 through current potential conversion (energy disperser), this interface numeral should be " 0 " IC3 and just approves for correctly.If the power supply with dashed lines of igniter for automobile Z is connected U
B＞U
A, IC1 exports U
o=U
H, high potential (numeral " 1 "), this 1/0 interface numeral that is transported to IC3 after current potential conversion (energy disperser) just is " 1 ", and IC3 just is considered as makeing mistakes, and IC3 is from the digital signal W of a warning of another 1/0 interface output.
As shown in figure 12, the present invention can set up the testing circuit that is used to monitor exposed switch, nuditing wire mode of operation, comprise that the warning digital signal provides circuit, transceiver circuit, power autonomous, IC3, IC15, IC16 provide circuit for the warning digital signal, whether K switch 4, K5, K6, K7, K8 are in normal working, be to receive with lead on several 1/0 interfaces of IC3 from the installation site of K switch 4, K5, K6, K7, K8, these of IC3 1/0 interface connects a resistance R again and built-in+5V power supply joins.As shown in figure 13, for preventing illegal dismounting, the present invention also is provided with fuel valve and brake valve pipeline connection state detection circuit.Comprise fuel passage and fuel valve bonded assembly nut 71, brake pipeline and brake valve bonded assembly nut 72, single chip microcomputer IC3 with from four 1/0 interfaces of IC3, be connected with second nut 72 with above-mentioned first nut 71 with lead 73 respectively, be connected on power supply+5V with a resistance R again on four interfaces of this of IC3.1/0 interface of IC3 under the normal working is a digital " 0 ", if there is lead to disconnect, 1/0 interface of the IC3 of break line just becomes numeral " 1 ", numeral " 1 " is a mal, so IC3 just from digital alerting signal W of another interface output, reports to the police thereby start privacy communication system.
In addition, dismantled by the people for preventing testing circuit machine box, as shown in figure 12, the urgent manually alarm switch K9 that also be provided with the IC17 that links to each other with casing N point, the K10 that links to each other with two 1/0 interfaces of IC3, links to each other with two 1/0 interfaces of IC3.
The present invention does not limit to the concrete structure of the foregoing description, and the equivalent transformation of other homogeneous structure all falls within protection scope of the present invention.
Claims (9)
1, a kind of automobile burglar mechanism, comprise: one is serially connected with the fuel valve on the fuel supply pipe, a brake valve that is connected in brake fluid line or the gas path pipe, and the control mechanism of control fuel valve and brake valve break-make, it is characterized in that: also comprise an ignition lock, described control mechanism comprises the tapered end of a billiards lock structure, and described ignition lock is controlled by aforementioned control mechanism.
2, a kind of automobile burglar according to claim 1 mechanism, it is characterized in that: described fuel valve, brake valve is concentrated and is installed on the valve seat, described control mechanism also comprises an electrical motor that is provided with circuit for controlling motor, one first gear, one second gear, the axle of first gear is connected on the axle of electrical motor, second gear is meshed with first gear, the axle two ends of second gear link to each other with the spool of fuel valve and the spool of brake valve respectively, second gear can drive aforementioned two spools and rotate synchronously, described circuit for controlling motor comprises a lock core switch, two spool mode switches, described circuit for controlling motor can and stop according to the on off state control motor rotating of aforementioned lock core switch and two spool mode switches, thus the on off mode of control fuel valve and brake valve.
3, a kind of automobile burglar according to claim 1 mechanism, it is characterized in that: described fuel valve and brake valve are concentrated and are installed on the valve seat, described control mechanism also comprise one with tapered end in lock pin coaxial and can be with the synchronous lock core gear of rotation of lock core, spool with fuel valve is coaxial and can drive the spool abnormity band finger cam of rotation synchronously, spool with brake valve is coaxial and can drive the spool brake valve gear of rotation synchronously, lock core gear is meshed with abnormity band finger cam and brake valve gear simultaneously, described ignition lock is a micro-switch, is controlled by abnormity band finger cam.
4, a kind of automobile burglar according to claim 1 mechanism, it is characterized in that: described brake valve is an electromagnetic valve, described control mechanism comprises that also the axle of the control circuit of an electrical motor, control motor and electromagnetic valve, motor pinion, fuel valve gear, motor pinion is connected on the axle of electrical motor, the fuel valve gear is meshed with motor pinion, the axle of fuel valve gear links to each other with the spool of fuel tap, and the spool that the fuel valve gear can drive fuel tap rotates synchronously.
5, according to claim 2 or 3 or 4 described a kind of automobile burglar mechanisms, it is characterized in that: be provided with a sensor of discerning key with suitable being used in pellet shot from a slingshot hole on the described tapered end at least.
6, a kind of automobile burglar according to claim 5 mechanism, it is characterized in that: the lock core in the described tapered end is " Y " font keys pincers groove slotted eye with three row's pellet shot from a slingshot holes, and the row of three on pairing tapered end pellet shot from a slingshot hole has at least on two row's pellet shot from a slingshot holes and respectively is provided with one with the suitable the sensor in pellet shot from a slingshot hole.
7, a kind of automobile burglar according to claim 6 mechanism is characterized in that: also comprise a testing circuit that is used for monitors ignition switch wire direction of current and on off mode.
8, a kind of automobile burglar according to claim 7 mechanism is characterized in that: comprise that also there is testing circuit in a lock core.
9, a kind of automobile burglar according to claim 8 mechanism is characterized in that: also comprise a testing circuit that is used to monitor described automobile burglar mechanism nuditing wire, exposed switch, fuel valve and brake valve connector status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03117853A CN1460617A (en) | 2003-05-11 | 2003-05-11 | Antitheft mechanism for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03117853A CN1460617A (en) | 2003-05-11 | 2003-05-11 | Antitheft mechanism for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1460617A true CN1460617A (en) | 2003-12-10 |
Family
ID=29591046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03117853A Pending CN1460617A (en) | 2003-05-11 | 2003-05-11 | Antitheft mechanism for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1460617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519566A (en) * | 2021-01-11 | 2021-03-19 | 南京达维多贸易有限公司 | Oil tank protection device capable of identifying fuel type and preventing theft |
-
2003
- 2003-05-11 CN CN03117853A patent/CN1460617A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519566A (en) * | 2021-01-11 | 2021-03-19 | 南京达维多贸易有限公司 | Oil tank protection device capable of identifying fuel type and preventing theft |
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