CN2144329Y

CN2144329Y - Multipurpose burglar alarm

Info

Publication number: CN2144329Y
Application number: CN 92241395
Authority: CN
Inventors: 余培养; 戚星海; 余培湖; 程际茂
Original assignee: Individual
Current assignee: Yu Peiyang
Priority date: 1992-11-10
Filing date: 1992-11-10
Publication date: 1993-10-20
Anticipated expiration: 2002-11-10

Abstract

The utility model relates to a multipurpose anti-theft alarm, which is mainly used for the anti-theft alarm of bicycles, and is also suitable for the anti-prying alarm of rooms and windows, and the anti-theft alarm of travel bags. The utility model comprises a case, a case body, a lock, a plug, a socket, a conductor, batteries, a switch, a circuit board, a circuit, and a sound amplification pipe, which is characterized in that the circuit is connected with a bridge circuit which comprises transistors BG1, BG2, and resistors R1, R2, R3, R4. The resistor R2 is arranged in the plug, and the case and the case body are provided with mouths of lock tongues. A J-shaped joint element is arranged beside the mouth of the lock tongue of the case, to make the anti-theft alarm use with multiple purpose and alarm under the conditions of broken circuit or short circuit. The utility model has the advantages of beautiful appearance, convenient operation, low cost, and long service life.

Description

Multipurpose burglar alarm

The utility model relates to the burglar alarm technology, be mainly used in and prevent that the thief from stealing vehicle and warnings such as bicycle, tricycle and motorcycle, also can be used for the warning that the anti-thief in unit and family room pries open door, window theft property, and the burglar alarm of employee on business trip and traveller's traveling bag (bag and case).

At present, the town and country public or private property is stolen serious, especially the stolen phenomenon especially severe of bicycle.Now, prevent the bicycle anti-theft alarm technology, as CN2067737U bicycle alarm lock, it is the alarm that is provided with battery, reed switch, sensor and integration timing circuit in the upper shell of Bicycle Anti-Picklock; When bicycle is moved or rock, promptly send chimes of doom.Therefore, can only be used for a bicycle, purposes is single and often send the false alarm phenomenon; And alarm is being followed the frequent judder of bicycle running, and electronic component is fragile, so cause defectives such as serviceable life is short.In addition, on November 3rd, 1992 " Zhejiang Daily " third edition knowledge grand sight, Taiwan produces a kind of bicycle anti-theft alarm device.It mainly draws wire rope to be linked and packed by housing, circuit, battery, switch and high strength.Owing to adopt high strength wire rope; Production cost is high and portably use inconvenience, and same, purposes is single.

The utility model purpose is at above-mentioned bicycle anti-theft alarm lock and the existing defective of bicycle anti-theft alarm device, and a kind of anti-thief of some bicycle theft-preventions, the room antitheft and travel traveling bag of window burglar alarm of using such as antitheft of forcing open the door that is used for is provided more.

Finish above-mentioned purpose of the present utility model by the implementation of following technical conceive:

Should use burglar alarm more, comprise sheath body, the housing and the lock of some apertures are arranged, plug and lead that housing is outer, socket, battery, reed switch, circuit board, warning circuit and amplifying tube in the housing, it is characterized in that in the warning circuit connecting the bridge diagram of transistor BG1, BG2 and resistance R 1, R2, R3, R4, resistance R 2 be arranged in the plug or lead on, have lock-tongue port on sheath body and the housing, the other web member that is provided with section for " J " shape of sheath body lock-tongue port, the lead two ends are connected to plug, and lead is outer can be wrapped firmly by wire rope.

The utility model is compared with aforementioned known technology, not only has to be used for some bicycle anti-theft alarms the anti-thief in the room multi-uses such as traveling bag burglar alarm of forcing open the door in window burglar alarm and the travel; And still have and open circuit or short circuit all can be reported to the police, good looking appearance, easy to use, advantage such as low and life-span of cost is long.

Accompanying drawing represents that the utility model uses the concrete structure of burglar alarm more.

Fig. 1 is these many front elevations with burglar alarm.

Fig. 2 is these many rear views that shirk sheath body with burglar alarm.

Fig. 3 be these many sheath body view profiles with burglar alarms,

Fig. 4 is these many housing view profiles with burglar alarm.

Fig. 5 is these many circuit diagrams with burglar alarm.

Below in conjunction with detailed explanation details of the present utility model of accompanying drawing and operating mode:

Should use burglar alarm more, comprise sheath body 1, the housing 2 of some apertures 15 is arranged and lock 3, plug 4 and lead 6 outside the housing 2, socket 5, battery 8, reed switch 9, circuit board 11, warning circuit 12 and amplifying tube 13 in the housing 2, it is characterized in that warning circuit 12 on the circuit board 11 connects the bridge diagram 6 of transistor BG1, BG2 and resistance R 1, R2, R3, R4, resistance R 2 is arranged in the plug 4, have lock-tongue port 14 on sheath body 1 and the housing 2, the sheath body 1 lock-tongue port 14 other web members 7 that are provided with section for " J " shape.Lead 6 two ends are connected to plug 4.Thereby reach multi-use, open circuit or short circuit all can be reported to the police, good looking appearance, easy to use, cost is low and the life-span is long.

When bicycle parking, web member 7 with this burglar alarm colludes on the bicycle luggage carrier bar earlier, lock 3 is opened, housing 2 is pulled out a bit, reed switch 9 deenergizations are transferred to a plug 4, and lead 6 is gone here and there some bicycles under the seat stool around living the tripod, if single bicycle uses, lead 6 centers on the bicycle shed hack lever or with fixture strings such as setting bar; Again plug 4 is inserted socket 5; Then housing 2 is advanced in the sheath body 1, be locked 3; This moment, web member 7 is fixed on this device on the bicycle luggage carrier bar with dead bolt 10, reed switch 9 butts, battery 8 power supplies, owing to R1, R2, R3, R4 resistance equate, A, B point voltage equate in the bridge diagram 16, BG1, BG2 substrate equate with emissivity voltage, circuit ends, and BG3 also ends, and circuit is on the alert.In case R2 is by short circuit, BG2 base voltage is higher than emissivity voltage, the BG2 conducting, and the also intrinsic bias current of BG3 and conducting trigger that K9561 produces the warning sound in the warning circuit 12.When R2 was opened circuit, the BG1 base voltage was higher than emissivity voltage and conducting, in like manner, triggered KD9561 and produced the warning sound.No matter be after BG1 or BG2 are switched on, because BG3 collector noble potential, D1 conducting and make the BG1 base stage keep noble potential, circuit produces self-locking, at this moment, even R2 restores to the original state, also can send the warning sound with keeping.If need to eliminate the warning sound, only open lock 3, housing 2 is pulled out, and reed switch 9 deenergizations just can stop the sound of reporting to the police.

Claims

1, a kind of burglar alarm of using more, comprise sheath body (1), the housing (2) of some apertures is arranged and lock (3), plug (4) and lead (6) that housing (2) is outer, socket (5), battery (8), reed switch (9), circuit board (11), warning circuit (12) and amplifying tube (13) in the housing (2) is characterized in that the bridge diagram (16) of warning circuit (12) connection transistor BG1, BG2 on the circuit board (11) and resistance R 1, R2, R3, R4.

2, according to claim 1ly many use burglar alarm, it is characterized in that the middle resistance R 2 of said bridge diagram (16) is arranged in the plug (5).

3, describedly use burglar alarm according to claim 1,2 more, it is characterized in that having lock-tongue port (14) on said sheath body (1) and the housing (2).

4, describedly many use burglar alarm according to claim 1,2, it is characterized in that said sheath body (1) lock-tongue port (14) is other to be provided with the web member (7) that section is " J " shape.