CN202186353U

CN202186353U - Vehicle burglar alarm

Info

Publication number: CN202186353U
Application number: CN2011202691932U
Authority: CN
Inventors: 王福东
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-28
Filing date: 2011-07-28
Publication date: 2012-04-11
Anticipated expiration: 2021-07-28

Abstract

The utility model discloses a vehicle burglar alarm, comprising a shell, a horn mounted in the shell and with two ends electrically connected with a power supply by line connection terminals, a trigger branched circuit composed of door control switches cooperated with a vehicle door and connected in series in a power supply path of the horn, a remote controller, a receiver capable of receiving the control signal from the remote controller and arranged in parallel with two ends of the line connection terminal, an all-clear branched circuit composed of a normally closed contact of the receiver on the output end of the receiver and connected in series in the power supply path of the horn, a relay connected in parallel with two ends of the horn and a self-locking branched circuit connected with the two ends of the trigger branched circuit in parallel and composed of a normally open contact of the relay. An ignition branched circuit is connected with two ends of the line connection terminal in parallel and used for supplying the power for an engine ignition mechanism. The ignition branched circuit comprises a normally closed contact of the relay which is connected with the ignition branched circuit in series and an ignition terminal electrically connected with the engine ignition mechanism. The vehicle burglar alarm has features of reasonable structure, timely alarming and convenient use. The vehicle burglar alarm is suitable for various vehicles and effectively ensures the safety of the money and goods in the vehicle and the vehicle itself.

Description

A kind of car alarm

Technical field

The utility model relates to a kind of car alarm.

Background technology

Along with rapid economy development, people's living standard is increasingly high, and the individual who has private car is also more and more.Automobile offers convenience for people's trip, but after automobile increased, because the restriction of parking place, a lot of automobiles all were parked in the free parking lot that security personnel do not guard.Like this, created opportunity with regard to the lawless person who gives car theft, especially through opening Door Lock and back-up case lock, the probability of stealing property increases greatly.Selling on the market now has various car alarms, and multiple functional, anti-theft effect is also relatively good; Weak point is that car alarm on the market mainly is the antitheft to automobile itself, and is general for the anti-theft effect of property in the car; And cost an arm and a leg, at least several thousand, up to ten thousand at most; Therefore people are when using such car alarm, and the antitheft cost is just very high, increased people's automotive use cost greatly.

The utility model content

The technical matters that the utility model will solve is to provide a kind of rational in infrastructure to above-mentioned deficiency, reports to the police in time good anti-theft effect, and car alarm easy to use.

For solving the problems of the technologies described above; This car alarm comprises housing, and loudspeaker are installed in the housing, and the loudspeaker two ends are electrically connected with power supply through connection terminal; Its joint characteristics are: be serially connected with the triggering branch road that is made up of the door contact that cooperates with car door in the supply access of loudspeaker; Also comprise remote controller, the connection terminal two ends are parallel with the receptor that can receive the remote controller control signal, also are in series with the alert branch road that disappears that the receptor normally closed contact by the receptor mouth constitutes in the supply access of loudspeaker; The loudspeaker two ends are parallel with relay, trigger the branch road two ends and are parallel with the self-locking branch road that is made up of relay normally open contact.

The car alarm of this structure is to trigger structure to realize reporting to the police in time through opening the door, good anti-theft effect, and easy to use.

The trigger mechanism that opens the door mainly comprises the door contact that cooperates with the arrangements for automotive doors action, and door contact is serially connected in the current supply circuit of loudspeaker, so just can be through the effect of door contact control loudspeaker mode of operation.When arrangements for automotive doors was unlocked, door contact was closed, and the supply access of loudspeaker is switched on, and loudspeaker outwards send alerting signal, thereby play the antitheft effect.Triggering branch road two ends parallel connection self-locking branch road, can when triggering the warning of branch road triggering loudspeaker, can connect self-locking the supply access of loudspeaker.Like this, be disconnected even trigger branch road, loudspeaker also can continue the maintenance "on" position under the support of self-locking branch road, thereby effective when alerting signal is grown, anti-theft effect is better.If car owner oneself opens car door, then can pass through remote controller, control the receptor normally closed contact and break off, so just played and cut off the effect of loudspeaker supply access, thereby made loudspeaker stop to report to the police, it is very convenient to operate.

As improvement, the connection terminal two ends also are parallel with the igniting branch road to the power supply of engine ignition mechanism, and the igniting branch road comprises relay normally closed contact that is serially connected and the igniting terminal that is electrically connected with engine ignition mechanism.

Can supply power to the ignition mechanism of driving engine through the igniting branch road, and the igniting branch road is controlled by the normally closed contact of relay, so just the ignition mechanism of this car alarm with automotive engine is associated.When loudspeaker receive the triggering that triggers branch road and during electric alarm, relay simultaneously electric and cut off the igniting branch road through the relay normally closed contact, driving engine is cut off with regard to the power supply because of ignition mechanism and can't starts like this, thereby plays the effect that prevents that automobile is stolen.

As further improvement, trigger the branch road two ends and be parallel with the remote control branch road that the receptor open contact by the receptor mouth constitutes.

Through remote controller, can control the closed and disconnected of remote control branch road, so just played the effect that loudspeaker get electric alarm that triggers.This function not only has the effect that remote manual control is reported to the police, and under normal circumstances can also initiatively trigger to report to the police and seek car, and is convenient during with car.

As further improving again, button is installed on the housing, button is serially connected in connection terminal in the loop of receptor and loudspeaker power supply.

Press the button; Button is closed; This moment, this car alarm was in readiness for action, and when car door is opened and makes and trigger branch road and trigger loudspeaker and get when electric, or the M/C remote controller makes the remote control branch road closed and loudspeaker are got when electric; Loudspeaker will outwards send alerting signal, use when this situation is fit to drive to go out.Press button once more button is ejected when resetting, button breaks off, and this moment, this car alarm was in stopped status; At this moment; Even car door is opened or remote control alarm, this car alarm can not send alerting signal yet, and this situation is fit to use when the car owner cleans or keeps in repair automobile.

In sum, adopt the car alarm of this structure, rational in infrastructure, report to the police in time, good anti-theft effect, and easy to use, be adapted at using on the various automobiles, can effectively ensure the safety of interior property of automobile and automobile itself.

Description of drawings

In conjunction with accompanying drawing the utility model is explained further details:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the electrical schematic diagram of the utility model.

Among the figure: 1 is housing, and 2 is sound hole, and 3 is mounting hole, and YKQ is a remote controller; JSQ is a receptor, and KM is a relay, and KM-1 is a relay normally open contact, and KM-2 is the relay normally closed contact; LB is loudspeaker, and YK1 is the receptor open contact, and YK0 is the receptor normally closed contact, and MK1, MK2 are door contact; KG is a button, and JX is a connection terminal, and DH is the igniting terminal.

The specific embodiment

Like Fig. 1, shown in Figure 2, this car alarm comprises housing 1, and loudspeaker LB is installed in the housing 1, and connection terminal JX is installed on the housing 1, the corresponding electrical connection of connection terminal JX with automotive battery, and connection terminal JX is through parallelly connected with loudspeaker LB and supply power to loudspeaker LB.Housing 1 is provided with and the cooresponding sound hole 2 in loudspeaker LB position, and the alarm sound that like this loudspeaker LB is sent passes fartherly.Be serially connected with the triggering branch road in the supply access of loudspeaker LB, the main effect that triggers branch road is to trigger loudspeaker LB supply access to connect.In the present embodiment, trigger branch road and mainly be made up of door contact MK1 and door contact MK2, two door contacts are all normal open switch.When concrete production is used, can be provided with 5 or more a plurality of according to the quantity of arrangements for automotive doors, to improve the antitheft reliability.Door contact MK1 and door contact MK2 are installed between car door and the cooresponding door case, and the mode of operation of door contact MK1 and door contact MK2 is corresponding with the opening and closing of car door.When car door was unlocked, door contact MK1 and door contact MK2 be closure owing to the extruding that loses car door, and the effect of so just having connected loudspeaker LB supply access is sent alerting signal thereby trigger loudspeaker LB.

Loudspeaker LB two ends are parallel with relay K M, trigger the branch road two ends and are parallel with the self-locking branch road.In the present embodiment, route relay normally open contact KM-1 formation is propped up in self-locking.The main effect of self-locking branch road is when loudspeaker LB is triggered electricly, relay K M simultaneously electric, at this moment, the self-locking branch road that is made up of relay normally open contact KM-1 will closed be switched on.Like this, loudspeaker LB and relay K M will be always electric, alerting signal is sent always.At this moment, even with closing of the door, the supply access of loudspeaker LB can not be cut off yet, and loudspeaker LB can send alerting signal always, has therefore played the effect of threatening thief, prompting car owner or surrounding population, has effectively avoided interior property of car and automobile stolen.

Connection terminal JX two ends are parallel with the igniting branch road, and the igniting branch road comprises relay normally closed contact KM-2 that is serially connected and the igniting terminal DH that is electrically connected with engine ignition mechanism.Can supply power to the ignition mechanism of driving engine through the igniting branch road, and the igniting branch road receives relay normally closed contact KM-2 control, so just the ignition mechanism of this car alarm with automotive engine is associated.When loudspeaker LB receive the triggering that triggers branch road and during electric alarm; Relay K M simultaneously electric and cut off the igniting branch road through relay normally closed contact KM-2; Driving engine is cut off with regard to the power supply because of ignition mechanism and can't starts like this, thereby plays the effect that prevents that automobile is stolen.

As shown in Figure 1, this car alarm also comprises remote controller YKQ, and the receptor JSQ that can receive remote controller YKQ control signal is installed in the housing 1, and the mouth of receptor JSQ is provided with receptor open contact YK1 and receptor normally closed contact YK0.Trigger the branch road two ends and be parallel with the remote control branch road, in the present embodiment, remote control is propped up route receptor open contact YK1 and is constituted.Like this, can be through the output switch motion of remote controller YKQ control receptor JSQ, at this moment, the remote control branch road that is made up of receptor open contact YK1 will closed conducting, gets electric alarm thereby trigger loudspeaker LB.This remote control alarm function be fit to be found that the thief is just preparing theft or is used when stealing because of door contact is malfunctioning, improved the anti-theft effect of this car alarm greatly.

As shown in Figure 2, also be serially connected with the alert branch road that disappears in the supply access of loudspeaker LB, the alert route receptor normally closed contact YK0 that disappears constitutes.During use, through the receptor normally closed contact YK0 disconnection of remote controller YKQ control receptor JSQ mouth, the supply access of loudspeaker LB just can be cut off like this, thereby plays the effect that remote control stops to report to the police.When being adapted at the own switch car door of this car alarm flase alarm or car owner, this function uses the embarrassment of effectively having avoided lasting warning to cause.

Connection terminal JX is serially connected with button KG in the loop of receptor JSQ and loudspeaker LB power supply, button KG is installed on housing 1 outside face.When pressing switch 4, receptor JSQ and loudspeaker LB are in the stand-by operation state.At this moment, when triggering branch road or remote control branch road closure, loudspeaker LB gets electric alarm.When again by a switch 4, switch 4 ejects and resets, and reverts to off-state, and at this moment, receptor JSQ and loudspeaker LB dead electricity are in stopped status.Also be installed with mounting hole 3 around the housing 1, can conveniently this car alarm be installed on the car body like this, install very convenient.

Claims

1. car alarm; Comprise housing (1); Loudspeaker (LB) are installed in the housing (1); Loudspeaker (LB) two ends are electrically connected with power supply through connection terminal (JX), it is characterized in that: be serially connected with the triggering branch road that is made up of the door contact that cooperates with car door (MK1) in the supply access of loudspeaker (LB), also comprise remote controller (YKQ); Connection terminal (JX) two ends are parallel with the receptor (JSQ) that can receive remote controller (YKQ) control signal; Also be in series with the alert branch road that disappears by receptor normally closed contact (YK0) formation of receptor (JSQ) mouth in the supply access of loudspeaker (LB), loudspeaker (LB) two ends are parallel with relay (KM), trigger the branch road two ends and are parallel with the self-locking branch road that is made up of relay normally open contact (KM-1).

2. car alarm as claimed in claim 1; It is characterized in that: connection terminal (JX) two ends also are parallel with the igniting branch road to the power supply of engine ignition mechanism, and the igniting branch road comprises relay normally closed contact (KM-2) that is serially connected and the igniting terminal (DH) that is electrically connected with engine ignition mechanism.

3. according to claim 1 or claim 2 car alarm is characterized in that: trigger the branch road two ends and be parallel with the remote control branch road that the receptor open contact (YK1) by receptor (JSQ) mouth constitutes.

4. car alarm as claimed in claim 3 is characterized in that: button (KG) is installed on the housing (1), and button (KG) is serially connected in connection terminal (JX) in the loop of receptor (JSQ) and loudspeaker (LB) power supply.