JP2528870Y2 - Theft alarm for motorcycles - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention is a main switch (SW is an abbreviation for a switch, and the same applies hereinafter).
The present invention relates to a motorcycle anti-theft alarm device capable of starting and releasing the alarm device by the operation of (1).

[Prior art and problems] With respect to conventional theft alarm devices for motorcycles, many devices that issue an alarm by combining various sensors have been developed, and various methods are used to activate the alarm device and release the operating state. Although proposed, each has its own drawbacks.

For example, a device using a password or another key is not only very expensive but also troublesome to operate, so that theft by not activating the alarm device was unavoidable. In addition, a key using another key may be lost, and it is not very good in terms of operability.

Furthermore, because the operability is emphasized, those that are simply linked to the "ON" and "OFF" of the main switch of the vehicle are easily released by cutting the wiring from the main SW or connecting them directly. There were drawbacks.

[Means for Solving the Problems] In order to solve the above problems, the present invention is inexpensive, has good operability, and can withstand theft by low-level release means such as disconnection of main SW wiring and direct connection. A burglar alarm device is provided.

That is, the present invention relates to a motorcycle burglar alarm device including a main switch (1), various sensors (2), a control circuit unit (5), and an alarm unit (15). (1) includes a circuit “IGN” conducting at an “ON” position and a circuit “ALM” conducting at an intermediate position “N” between an “OFF” position and a “LOCK” position, and the control circuit unit (5) ) Is a determination circuit (3) to which the various sensors (2) are connected, a detection circuit 1 (6) to which the "ALM" circuit is connected, and a detection circuit 2 (to which the "IGN" circuit is connected). 7) and the detection circuit 1
(6) and the logical product 1 (19) to which the detection circuit 2 (7) is connected, the detection circuit 1 (6) and the "IGN"
A logical product 2 to which a circuit is connected, a control circuit (9) to which the judgment circuit (3), the logical product 1 and the logical product 2 (20) are connected, and a control circuit (9) An output circuit (10), wherein the alarm unit (15) is provided with a high sound pressure piezoelectric buzzer (13) connected to the output circuit (10). .

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

The drawing is a block diagram showing a configuration of an example of the alarm device.

1) Configuration The main SW (1) has a series of "ON" when running, "OFF" when stopped, and "LOCK" when the steering is locked, and the key has moderation in each position.

The main switch according to the present invention includes a circuit that conducts at an intermediate position “N” between “OFF” and “LOCK”, and there is no moderation at the intermediate position “N”. This intermediate position “N” may be the same circuit as “P” in the case of a vehicle having the parking position “P”.

The circuit "IGN" which conducts by "ON", "OFF" and "LO
Both outputs of the circuit "ALM" conducting at the intermediate position "N" of "CK" are connected to the control circuit unit (5).

The control circuit unit (5) includes: A determination circuit (3) that determines an input from various sensors (2) and recognizes theft.

B. A detection circuit 1 (6) for detecting an ALM signal and a detection circuit 2 (7) for detecting an IGN signal.

C. Logical product 1 of detection circuit 1 (6) and detection circuit 2 (7)
A delay circuit (8) for delaying the operation start signal by the above.

D. A control circuit (9) for controlling an operation signal based on a logical product 2 of the theft signal from the determination circuit (3), the operation setting signal from the delay circuit (8), and the detection circuit (6) and the IGN signal.

E. An output circuit (10) that controls a signal from a control circuit (9) by a timer (4) and activates a vehicle horn (17) and a high sound pressure piezoelectric buzzer (13) for a fixed time.

F. Power supply control circuit (11) that supplies current to each part.

And so on.

The alarm unit (15) High sound pressure piezoelectric buzzer (13) operated by the output circuit (10).

B. Vehicle horn (17) that operates via horn relay (12).

And so on.

The detection circuit 2 (7) detects the falling of the IGN signal when the main switch (1) is turned “OFF” and generates a pulse for a predetermined time.

The detection circuit 1 (6) generates a pulse for a fixed time at the rise of the ALM signal when the main SW (1) further moves from "OFF" to "LOCK".

The logical product 1 of the outputs of the detection circuit 1 (6) and the detection circuit 2 (7) is input to the operation setting input of the control circuit (9) via the delay circuit (8) and the output of the detection circuit 1 (6) and "IGN AND of the circuit is connected to the operation stop input of the control circuit (9).

The determination circuit (3) compares the signal state of the various sensors (2) with a preset state, detects theft, and outputs it to the control circuit (9).

The output circuit (10) is provided with a timer (4), and issues an alarm output for a certain period of time by an input signal connected to a high sound pressure piezoelectric buzzer (13) and a horn relay (12).

 The power supply control circuit (11) supplies power to each unit.

In the figure, (16) is a parking lamp, (17) is a vehicle horn, and (18) is a vehicle horn SW.

2) Operation When the main SW (1) is turned from "ON" to "OFF" where it can travel, the IGN signal falls, and a pulse 1 for a fixed time is generated in the detection circuit 2 (7).

When the key is further rotated to "LOCK", the ALM signal rises and a pulse 2 is generated in the detection circuit 1 (6). When pulse 2 is generated, if pulse 1 is generated, the logical product 1 of both signals becomes true, and an operation start signal is sent to the control circuit (9) through the delay circuit (8). As a result, the control circuit (9) enters an operating state.

When the sensor (2) detects theft in this state, the control circuit (9) outputs a signal from the determination circuit (3) to the output circuit (1).
Enter 0). In response to this input, the output circuit (10) is controlled by the vehicle horn (17) and the high sound pressure piezoelectric buzzer (13) for a certain period of time.
To alert theft.

In addition, in the operating state and alarm state,
When the key is rotated to "F" and further to "ON", a pulse 1 of the detection circuit 1 (6) is generated. When the IGN signal rises while the pulse 1 is generated, the logical product 2 becomes true. , A signal is sent to the operation stop input, and the control circuit (9) stops the operation and stops the output circuit (10).

If it is not necessary to activate the alarm due to the movement of the vehicle,
If the operation of the main SW (1) is kept OFF for a certain period of time or longer, the operation of the detection circuit 2 (7) is not set because the pulse of the detection circuit 2 (7) has disappeared.

In addition, even if the voltage of "IGN" is applied by disconnecting the wiring of the main switch or directly connecting the wiring during the operation, the operation cannot be canceled unless the outputs of the two detection circuits match.

[Effects of the Invention] The present invention makes it possible to provide an inexpensive and reliable alarm device by simplifying the structure and using the locking function of the vehicle.

Since the operation is only the main switch of the vehicle, handling is easy,
It is possible to prevent minor crimes and mischief without forgetting to lock.

In addition, the main switch, which occupies most of the theft methods than before
This is a burglar alarm device with a wide range of applications that has both reliability and operability, because it cannot disconnect the wiring from the device or release the operation state by direct connection.

[Brief description of the drawings]

 The drawings are block diagrams of an example of the present invention. 1. Main switch, 2. Sensor 5. Control circuit unit, 12. Horn relay 13. High sound pressure piezoelectric buzzer, 15. Alarm unit

Claims (1)

(57) [Scope of request for utility model registration] 1. A main switch (1) and various sensors (2)
A burglar alarm system for a motorcycle, comprising: a control circuit unit (5); and an alarm unit (15), wherein the main SW (1) is a circuit “IGN” that conducts at an “ON” position; The control circuit unit (5) includes a circuit (ALM) that conducts at an intermediate position "N" between the "OFF" position and the "LOCK" position, and the control circuit unit (5) is a determination circuit (3) to which the sensors (2) are connected. A detection circuit 1 (6) to which the “ALM” circuit is connected; a detection circuit 2 (7) to which the “IGN” circuit is connected;
(6) and the logical product 1 (19) to which the detection circuit 2 (7) is connected, the detection circuit 1 (6) and the "IGN"
A logical product 2 to which a circuit is connected, a control circuit (9) to which the judgment circuit (3), the logical product 1 and the logical product 2 (20) are connected, and a control circuit (9) An output circuit (10), wherein the alarm unit (15) includes a high sound pressure piezoelectric buzzer (13) connected to the output circuit (10).