JP2002295092A - Wire lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire lock having a simple structure and capable of easily locking the subject of locking. SOLUTION: The wire lock comprises a wire body 2 containing an antenna conductor 1, a locking part 3 capable of maintaining the wire body 2 in the form of a closed loop with both ends of the wire body 2 connected thereto, a rupture detecting conductor 4 for detecting the operation of rupturing the wire body 2, and a control part 5 which generates a rupture warning signal to be transmitted from the antenna conductor 1 when the conductor 4 detects the rupturing operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a wire lock.

[0002]

2. Description of the Related Art A wire lock used for locking a motorcycle is disclosed in Japanese Patent Application Laid-Open No. 58-120965. In this conventional example, the wire lock has an anti-theft device fixed to the vehicle body and a flexible strip connected to the anti-theft device via a plug. An electric wire is disposed on the flexible strip, and when a breaking operation is applied to the flexible strip, a detection unit in the anti-theft device detects this and activates an alarm of the vehicle body.

[0003]

Since the flexible strip in the prior art described above is also used as a signal transmitting means for transmitting an abnormal signal in the flexible strip, it is connected to an anti-theft device. In addition, since the flexible strip is also used as a mechanical connecting means for restraining the vehicle body to a pole or the like, the theft serving as a holding section of the flexible strip is required. The prevention device must be fixed to the vehicle body.

However, in such a configuration in which the anti-theft device and the flexible strip are electrically and mechanically connected, the flexible strip is followed to mechanically connect the vehicle to the vehicle body. Since the portion can be easily specified, the fixed portion between the anti-theft device and the vehicle body is easily targeted for destruction. For this reason, the anti-theft device needs to be firmly fixed to the vehicle body, damaging the design of the vehicle body,
Alternatively, since the size of the device is increased and the length of the flexible strip is determined, the installation position of the locking target such as the stop position of the vehicle main body is limited, and there is a disadvantage that the usability is poor.

[0005] When the flexible strip is cut and the vehicle body is removed, the anti-theft device fixed to the vehicle body is also removed, and the date and time of the theft cannot be specified. As a result, for example, in the case of an insurance contract or the like that promises the payment of insurance money due to theft, it becomes necessary to prove the occurrence of theft.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned drawbacks, and has as its object to provide a wire lock having a simple structure and capable of easily locking a desired lock target.

Another object of the present invention is to provide a wire lock capable of specifying a time at which the wire main body is abnormally broken or the like.

[0008]

The wire main body 2 can maintain a closed loop shape by connecting both ends through a locking portion 3, and by restricting the closed loop shape, restricts the movement of the object to be locked. can do. Locking part 3
Can be configured in various ways, and can be unlocked by using a so-called cylinder lock that can be locked and unlocked by a key plate having a predetermined unlock code, or by pressing a specific operation button What is called a button lock can be used.

When the break detection conductor 4 is broken, the control unit 5 generates a cut alarm signal. For detecting breakage of the break detection conductor 4, a minute current is applied to the break detection conductor 4 and a change in potential generated when the break detection conductor 4 is cut off is used.
Alternatively, a potential change due to a short circuit to the ground conductor by a blade or the like can be used.

The timing of the detection of the breaking operation on the wire body 2 by the break detection conductor 4 can be appropriately determined by the arrangement position of the break detection conductor 4, and when the break detection conductor 4 is arranged deep in the wire body 2. Is detected just before the wire body 2 is completely cut and the closed loop shape is eliminated. On the other hand, when the break detection conductor 4 is arranged on the surface layer of the wire body 2, it is possible to detect damage to the surface layer of the wire body 2, and to perform necessary processing immediately before the cutting of the wire body 2 is completed. In this case, it is desirable to arrange the break detection conductor 4 near the outer skin of the wire body 2.

The break alarm signal generated by the control unit 5 is transmitted from the conductive wire for the antenna. The transmitted break alarm signal is received by the receiving device 8 mounted on or near the object to be locked, and for example, an alarm device can be activated.

In the present invention in which the break alarm signal is transmitted from the antenna conductor 1, the wire lock itself is locked for transmitting and receiving the break alarm signal so that the receiving device 8 can be installed at a desired position. There is no need to connect to As a result, since it is not necessary to separately provide a connection portion of the electric signal between the wire lock and the lock target, a new work on the lock target is not required, and the installation is simplified. Further, for example, the locking target is restricted only by the wire main body 2 of the wire lock, and the receiving device 8 can be installed in an inconspicuous place other than the locking target or in a place where it cannot be reached, thereby improving versatility.

The wire lock is a wire lock that is connected to a lock target when the wire main body 2 is connected in a loop shape in the lock portion 3 to restrain the lock target, and is released from the lock target when the loop is released. Thus, it is possible to comprise a break detection conductor 4 for detecting breakage of the wire main body 2 and a memory means 6 for storing time information when the break detection conductor 4 detects breakage of the wire main body 2.

When the wire main body 2 is broken, the wire lock falls off from the object to be locked, such as the vehicle main body, and is usually left at the burglary spot. On the other hand, the break time is stored in the memory means 6 as time information, and when the wire lock in which the wire main body 2 is broken is collected later, the time such as the date and time of the theft can be specified.

The stored contents in the memory means 6 can be taken out, for example, by breaking the wire lock, but if the transmission is possible by placing it on an airborne medium, it can be easily taken out without breaking the wire lock. it can. Radio waves, infrared rays, and the like can be used as the air propagation medium.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 3, a wire lock is provided at one end of a bendable wire main body 2 having a connecting body 9 fixed to a locking portion 3, and at the other end of the wire main body 2. And a locking portion 3 that can maintain the wire main body 2 in a loop shape by receiving the connecting body 9 at the wire connecting portion 10.

The wire main body 2 is formed by covering a core material 2a formed by twisting a plurality of steel wires with an outer cover 2b made of a synthetic resin material or the like. The conductive wire for break detection 4 and the conductive wire for antenna 1 are wound while maintaining insulation therebetween. The break detecting conductive wire 4 and the core material 2a are connected to a control unit 5 described later, and the break detecting conductive wire 4 is short-circuited to the core material 2a at the fixed body 9 fixed end. On the other hand, the conductive wire for antenna 1 is connected to a transmission unit 7 in the control unit 5 described later, and is opened at the fixed-side terminal end of the connector 9, and functions as an antenna for a radio wave generated in the control unit 5.

In FIG. 2, around the core 2a,
Although the case where the conductive wire for antenna 1 and one conductive wire for break detection 4 are wound is shown, the core material 2a is not used as the conductive wire of the circuit for detection, and the two conductive wires for break detection 4 are used. It can be wound around the core material 2a together with the conductive wire 1 for the antenna.

The locking section 3 includes a detection section 11 for detecting the connection state of the connection body 9 and a control section 5.
Is formed by connecting an intermediate portion 12 fixed to the other end of the lock body 13 to the lock body 13. The lock body 13 includes a pair of wire connection holes (wire connection portions 10) to which the auxiliary connection body 14 of the intermediary portion 12 and the connection body 9 can be connected, and each of the wire connection holes 10,
10 is provided with a pair of latches 15, 15. Each latch 15 is rotatable between a retracted position from the wire connection hole 10 and a position to enter the wire connection hole 10, and is urged toward the entry position by a latch spring 15a formed of a torsion spring.

Each latch 15 has a curvature locking surface 15b whose center of rotation is the center of curvature, and the coupling body 9 and the auxiliary coupling body 14 have a curvature locked surface having substantially the same curvature as the curvature locking surface 15b. 16 are formed, and the wire connection hole 10 is formed.
When the connecting body 9 or the auxiliary connecting body 14 is inserted into the connector 9, each latch 15 is pushed by the connecting body 9 or the auxiliary connecting body 14 and once rotates to the retracted position in the direction of the arrow in FIG. The force is returned to the entry position by the force, and the curvature locking surface 15b contacts the curvature locked surface 16. In this state, the rotation of the latch 15 is allowed only in the retreating direction. Therefore, even if a force in the pulling direction is applied to the wire main body 2, the connecting body 9 or the auxiliary connecting body 14 is removed from the wire connecting hole 10. It cannot be detached.

In the lock body 13, a rotor 17 rotatable only by a key plate having a regular unlocking code is accommodated.
5, a latch operation mechanism 18 is arranged. The latch operation mechanism 18 presses the projection 15c provided on the latch 15 corresponding to the connecting body 9 when the rotor 17 is rotated to the unlocking rotation angle, thereby pressing the latch 15 against the urging force of the latch spring 15a. Then, it is configured to rotate to the retracted position, and by giving a rotation operation to the rotor 17, it is possible to release the constraint of the connecting body 9.

In this embodiment in which the intermediary portion 12 and the lock body 13 are formed separately, the control portion 5 is provided inside the intermediary portion 12 covered with a hard outer shell 12a in order to prevent destruction from the outside. Will be accommodated. In addition, the pair of wire connection holes 10 are formed as opposed communication holes, and a switch rod 11 a constituting the detection unit 11 protrudes from the auxiliary connection body 14 of the mediation unit 12. Switch rod 11a
Is urged in the protruding direction by the compression spring 11b and is inserted into the center of the auxiliary connecting body 14 so as to be able to advance and retreat, and the connecting body 9
Is inserted into the corresponding wire connection hole 10 and is pushed back by the connection body 9 and retreats. When the connection body 9 is detached, it returns to the original position by the restoring force of the compression spring 11b and returns to the intermediate portion 12.
The state of the lock switch 11c is changed.

In the above, the locking unit 3 is replaced by the mediation unit 12
And the lock body 13 are connected to each other, but may be configured in the same case.

As shown in FIG. 4, the control unit 5 includes a central processing unit (CPU), and the break detection conductor 4 is connected to a switching element 19 such as a MOS-type FET for supplying disconnection flag information to the CPU. The break detecting conductor 4 is connected to a built-in power supply 20 such as a battery built in the intermediary section 12 via the lock switch 11c, and the connecting body 9 is connected to the wire connecting section 10 to turn on the lock switch 11c. When the detection unit 11 detects that the wire main body 2 is connected, power supply to the break detection conductor 4 is started.

When the break detection conductor 4 is cut by a cutter or the like from this state, the gate potential of the switching element 19 rises and the drain-source is electrically connected, and the flag information input terminal 21 of the CPU is set to "High" (flag). (Reset state) to "Low" (Flag set state).

FIG. 5 shows the operation of the control unit 5. After confirming the power supply to the break detection conductor 4, the control unit 5 first executes a monitoring routine (R1). When the control unit 5 detects the disconnection of the wire body 2 in the monitoring routine (R1), an alarm transmission step (S
Execute 1). The monitoring routine (R1) includes a mode identification step (RS11) and a lock code transmission step (R
S12) is repeated until the lock switch 11c is turned off, that is, the connected body 9 of the wire main body 2 is removed by a normal unlocking operation.

In the mode identification step (RS11), when the output of the flag information input terminal 21 is confirmed and the flag setting state is not confirmed, that is, when the break detection conductor 4
Is in the conductive state, the lock code transmission step (RS1
2) is executed. Locking code transmission step (RS1
In 2), in order to prevent the consumption of the internal power supply 20, first, the transmitted flag is checked, the transmitted flag is set only when the transmitted flag is not set, and then the locking signal including ID information is set. Is generated and transmitted to the outside via a transmitting unit 7 and the conductive wire 1 for an antenna using a radio wave as a medium.

The alarm sending step (S1) is executed when a flag set signal is input to the flag information input terminal 21 in the monitoring routine (R1). In the alarm transmission step (S1), first, the current date and time (break date and time) are loaded from the clock circuit 22 in the control unit 5, and then,
This is stored in the memory means 6. Next, a cutting alarm including ID information and break date and time information are transmitted from the transmitting unit 7 and the antenna 1. The disconnection alarm information and the like are transmitted for a predetermined time in order to reduce the consumption of the built-in power supply 20 as much as possible,
A counter is used to control the transmission time.

On the other hand, when the abandoned wire lock is brought back to the stolen site, and once the connecting body 9 of the wire main body 2 is detached and further connected, the memory loading step (S2) branches from the monitoring routine (R1). First, the break date information is loaded from the memory means 6, and then the break date information for a predetermined time is transmitted from the antenna.

FIG. 6 is a block diagram of the receiving device 8 which constitutes the anti-theft device together with the wire lock described above. In this embodiment, the receiving device 8 is used by being fixed to a vehicle main body, and includes a control unit 8a and a receiving unit 8b. When the receiving unit 8b receives a lock code transmitted as a radio wave from the wire lock with the completion of the locking of the wheels and the like by the wire main body 2, the control unit 8a first confirms that the ID information matches, and then generates a warning start signal. Then, the alert mode LED 8c is turned on to shift to the alert mode. The alert mode is maintained until the unlock code from the wire lock is received, and when disconnection alarm information is transmitted from the wire lock during the alert mode, the disconnection detection LED 8d blinks or lights up, and at the same time, the alarm 8e sounds. . The receiving device 8 includes a transmitting unit 8f including a dialer, and the control unit 8a, which has received the disconnection alarm, dials from the transmitting unit 8f to a portable terminal device such as a mobile phone to contact the owner. Is

In the case where the vehicle is fixed directly to the object to be locked, such as a vehicle body, a GPS (Global Positioning)
System) 8g or the like may be mounted so that the current position is periodically transmitted. Further, the receiving device 8
Is provided with an ID setting unit 8h, when the broken wire lock is changed to a new one, the ID information of the receiving device 8 can be matched with the ID information set in the wire lock.

[0032]

As is apparent from the above description, according to the present invention, a desired lock target can be easily locked with a simple structure.

[Brief description of the drawings]

FIG. 1 is an overall view showing a wire lock.

FIG. 2 is a view showing a wire main body, (a) is a longitudinal sectional view,
(B) is a cross-sectional view taken along the line 2B-2B in (a), and (c) is a cross-sectional view near the connected body.

FIG. 3 is a cross-sectional view showing a state in which a connecting body is connected to a locking unit.

FIG. 4 is a block diagram of a control unit.

FIG. 5 is a flowchart illustrating an operation of a control unit.

FIG. 6 is a block diagram of a receiving device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conductive wire for antenna 2 Wire main body 3 Locking part 4 Break detection conductor 5 Control part 6 Memory means 7 Transmitting part

Continued on the front page F term (reference) 2E250 AA21 HH07 JJ05 KK01 LL00 PP04 PP15 QQ02 SS01 UU01 VV04

Claims (3)

[Claims] 1. A wire body accommodating a conductive wire for an antenna, a locking portion connecting both ends of the wire body to maintain a closed loop shape of the wire body, and a break detection conductor for detecting a breaking operation on the wire body. And a control unit for generating a break alarm signal when the break detection conductor detects a break operation and transmitting the signal from the antenna conductive wire. 2. When the wire body is connected in a loop at the locking portion, the wire body is connected to the locking object to restrain the locking object,
What is claimed is: 1. A wire lock detachable from a lock target in a loop-eliminated state, comprising: a break detection conductor for detecting breakage of a wire body; and memory means for storing time information when the break detection conductor detects breakage of the wire body. 3. A wire lock according to claim 2, further comprising a transmitting unit capable of transmitting the contents of said memory means by placing the contents on an airborne medium.