CN2244222Y - Anti-theft and anti-drop automatic alarm - Google Patents

Abstract

The utility model relates to a theft and loss resisting automatic alarm. A circuit board of the utility model comprises a switch circuit A, an oscillating circuit B, a sound circuit C and a time delay trigger circuit D, wherein a capacitor, a mercury switch and an oscillating switch of the switching circuit A are connected in series and are connected in parallel with an emitting electrode of a triode V4 of the trigger circuit D on one pole point of a toggle switch, the capacitor is communicated with a trigger point of the trigger circuit D, the oscillating switch is composed of an insulating pipe, both ends of the insulating pipe are respectively sheathed with a conductor bracket, a plurality of needle rollers which float lengthways are arranged in the oscillating switch, the cathode of a power supply is connected with a common point of the toggle switch, the anode of the power supply is connected with an inserting switch in series and is connected with the anode end of every circuit after, and the cathode of the oscillating circuit B is connected with the other pole point of the toggle switch. The utility model has the advantages of small size, low cost and reliable performance.

Description

A kind of antitheft anti-autoalarm of losing

The utility model relates to a kind of burglar alarm.

Current society goes up petty thefts and still acts recklessly, the case and bag article were stolen often when people walked by bus, a gang of cartheft is more arranged, connect automobile, motorcycle is all dared to steal, make us hard to guard against, so, various case and bag alarms, car alarm, motorcycle alarm and door alarm etc. meet the tendency, wherein comparatively advanced automobile, the motorcycle alarm mostly is greatly with the car body circuit and links, thereby by robber's human body sensing or vibration and the trigger circuit sound that gives the alarm, its complex structure, cost is higher, purposes is single, thereby in a single day its principle also is easy to destroyed inefficacy by bad person's grasp, and is easy to take place the false alarm phenomenon when the pedestrian passes by.Devices such as other classes such as case and bag alarm also will be made one with case and bag mostly, and purposes also belongs to single.Other has a kind of small-sized " the antitheft Self-defending device of autoelectrinic " (patent No. 94225673.5), comprise a monostable touch switch circuit A on its circuit board, high-voltage generator circuit B and sound circuit C, wherein the external metal of circuit A is touched the sheet plate, can place crafty hand easily to arrive part, the energized switch, then circuit A enters warning and keeps state of value, as long as someone near or when touching metallic membrane, the human body sensing clutter can make the on-off circuit closure, trigger oscillatory circuit B and make sound circuit C send alarm sound, flash of light and high-voltage electric shock stop again behind the certain hour automatically, this device volume is little, in light weight, easy to use, safe and reliable minimal power consumption again, but automatically-warning value of keeping especially, worry about without owner, popular to people, but its can only take with oneself carry out antitheft self-defence, can't be used for vehicle, door, hut and case and bag static state are antitheft, more can not be used for people long-distance by train the time case and bag antitheft.

Task of the present utility model provides a kind of antitheft anti-autoalarm of losing, make it simple in structure, cost is low, and volume is little, easy to carry, power consumption is little, and is highly sensitive, dependable performance, especially diverse in function, for example both can be used for motor vehicles and door is antitheft, it is antitheft to carry out case and bag again on long distance train, can prevent that also the article landing is lost on the car.

The design proposal of finishing above-mentioned task is as follows, select a kind of rakish compact shell for use, toggle switch is housed on it, jack switch and hummer, circuit board and power supply E are housed in the shell, this circuit board is by on-off circuit A, with six reverser CMOSII integrated packages is the oscillatory circuit B of core, sound circuit C and be that the delay trigger circuit D of core combines with 2 input end four nor gate CMOSI integrated packages, wherein circuit B, C and D are circuit common, contact between circuit also is conventional, and the novel designs main points that should propose are:

Include capacitor C among a, its on-off circuit A ₁, mercury cut-off SK and oscillation switch CK, after the three serial connection again with delay trigger circuit D in triode V ₄Emitter is connected to limit d under the toggle switch, C together ₁With resistance R ₃Form oscillation circuit and be connected to 6. pin of CMOSI among the circuit D, it when wherein mercury cut-off SK faces up with housing make-position, and the structure of oscillation switch CK is, two ends at an insulation tube (as plastic tube, cured pipe or porcelain tube etc.) respectively overlap a conductor support, are parallel to support axis direction radial floating and place at least two conductor needle rollers;

The negative pole of b, power supply E is connected to the public pole C of toggle switch K, be access to each circuit anode end behind the positive pole serial connection one jack switch S of power supply E, the negative pole end of circuit B is connected to limit a on the toggle switch K, and wherein the plug of jack switch S is plugged then circuit disconnection, and plug is dialled next circuit and connected.

When the toggle switch K middle-grade C in place, power cathode disconnects in the use, and circuit is not worked.When K switch upwards pushes away, power supply E negative pole is by a point and the circuit B and the connection of C negative pole end of K switch, two circuit are in keep state of value, in case the plug of switch S is pulled up, then circuit B has, the 2. pin of its CMOSII promptly sends signal, make that potsherd Bb sounds the alarm among the circuit C, the hood-shaped hummer resonance of this sound outside being contained in housing is amplified metapedes so that clear the hearing of people beyond hundred meters, this function is applicable to that the pedestrian (or sees the orchard, see people from fishpond) the in danger requirement in the rescue, and in the article landing that places on the car (especially behind the Bicycles and Motorcycles on the vehicle frame) loses, the plug that is connected with article is pulled up, thereby send the strict chimes of doom of point, the enemy who comes to attack is trembled with fear on hearing the news, dare not start hastily in a function.When toggle switch K pushes away downwards, power supply E negative pole by K switch the d point and on-off circuit A and circuit D in V ₄Emitter is connected, and disconnects with other each circuit, and this moment is if pull up jack switch S plug, then on-off circuit A enters and keeps state of value, in case oscillation switch CK is vibrated or slightly upset, the needle roller that floats produces and rocks, thereby causes resistance fluctuation to cause that negative pressure pulsation makes capacitor C ₁And R ₃The oscillatory circuit of forming produces oscillator signal and sends the 6. pin of CMOSI among the circuit D to, then its 10. pin produce electric potential signal and make triode V ₄Conducting, then circuit B is switched on power supply and works, make circuit C produce alarm song, this sound stops (power saving) voluntarily behind the certain hour, if it is hung on the door of automobile, room and hut, is placed on the automobile driver seat, in the case and bag that helmet box is interior or static behind the motorcycle, ruffian one starts to report to the police immediately, draws back crafty hand with fear, notifies everybody to start to catch a thief.The inventor considers the people of long-distance travel by train, the fatigue unable case and bag of keeping an eye on of spirit, and train has vibration, above-mentioned functions can't be used, so adopted mercury cut-off SK, put into case and bag as long as this apparatus faced down, mercury cut-off SK is in temporary transient off-state, the general vibration of train can not cause its connection and false alarm takes place, in case the ruffian wraps in hand steathily, can make this apparatus upset or rock then mercury cut-off significantly and still can connect warning, so this apparatus can be described as one-machine-multi-function, dependable performance and use are flexible and changeable, because adopted digital integrated block CMOS and a small amount of other electronic components, simple in structure, cost is low, price is taken like a shot for common people, the volume ratio cigarette case is also little, and is easy to carry, also is difficult for being found by the ruffian, electricity consumption is also atomic, may be antitheft good merchantable brand.

The embodiment that provides below in conjunction with accompanying drawing is replenished description to the utility model.

Fig. 1 is its outside drawing;

Fig. 2 is a circuit diagram;

Fig. 3 is an oscillation switch SK structure diagram;

Fig. 4 is the P-P cut-open view of Fig. 3.

Jack switch S, a toggle switch K and the hood-shaped hummer F of one band draw ring are housed on the housing 1 shown in Figure 1, and wherein draw ring makes that the plug plug is more convenient, and anti-thing is lost more safe reliable.

On-off circuit A is arranged in the circuit that Fig. 2 provides, oscillatory circuit B, delay trigger circuit D and sound circuit C, wherein circuit A is a key content of the present invention, it comprises capacitor C ₁, mercury cut-off SK and oscillation switch CK, after the three serial connection again with circuit D in V ₄Emitter is connected to limit d under the toggle switch K together, and the solid line of mercury cut-off SK is the position that housing 1 faces up, i.e. on position, and the position when lower dotted line represents that housing faces down, this moment, contact disconnected, C ₁And R ₃Formed oscillation circuit, 6. pin of CMOSI among the place in circuit D.Use in order to make the utility model can make torch, preferably use three toggle switches during making, the middle-grade C of switch last slice logical with a spot welding of performing, limit b is connected in series a small electric bulb H with the positive interpolar of power supply E on another, this small electric bulb is loaded in the translucent cover on the housing 1.When K switch upwards pushed away, no matter whether switch S is closed, small electric bulb H all can light.When switch was in middle-grade position, then circuit B and C were in the state of value of keeping in the aforementioned schemes.In addition, for making the rescue personnel and the public accurately learn the site of an accident (especially at night) and increase this apparatus power, can be at serial connection one light emitting diode V between circuit B positive and negative extreme ₂With triode V ₃, V ₃Base stage connect the 10. pin of CMOSII, on housing 1, be equipped with and can make V ₂Flash of light appears the window 2 outside the housing.When oscillator signal is sent in circuit B work, make the Bb sounding simultaneously and make V ₂Flash of light, scene is more grand.

Shown oscillation switch CK inner structure among Fig. 3 and Fig. 4, it is made up of plastic tube 4, two conductor support 5 and 2 unsteady needle rollers 3 (facts have proved that a needle roller effect is relatively poor), needle roller does not radially have constraint, certain angle can freely roll, rocks even tumble, but it will be subjected to certain constraint on axially, and it can not thrown off and the contacting of two conductor support.

Claims (3)

1, a kind of by housing (1), be loaded on toggle switch (K), hummer (F) and jack switch (S) on the housing, and the antitheft anti-autoalarm of losing that is loaded on interior circuit board of housing and power supply (E) composition, its circuit board is by on-off circuit (A), with six reverser CMOSII integrated packages is the oscillatory circuit (B) of core, sound circuit (C) and be that the delay trigger circuit (D) of core combines with 2 input end four nor gate CMOSI integrated packages is characterized in that:

Include electric capacity (C in a, its on-off circuit (A) ₁), mercury cut-off (SK) and oscillation switch (CK), after three's serial connection again with circuit (D) in triode (V ₄) emitter be connected to the limit (d) of toggle switch (K), electric capacity (C together ₁) and resistance (R ₃) oscillation circuit of forming is connected to the 6. pin of the CMOSI in the circuit (D), wherein mercury cut-off (SK) is make-position when facing up with housing, and the structure of oscillation switch (CK) respectively is inserted in a conductor support (5) for two ends at an insulation tube (4), is parallel to support axis direction and radial floating and places at least two conductor needle rollers;

The negative pole of b, power supply (E) is connected to the public pole (C) of toggle switch (K), be access to each circuit anode end behind positive pole serial connection one jack switch (S) of power supply (E), the negative pole end of circuit (B) is connected to another limit (a) of toggle switch (K), wherein the plug of jack switch (S) is plugged then circuit disconnection, and plug is dialled next closing of circuit.

2, alarm according to claim 1 is characterized in that serial connection one light emitting diode (V between oscillatory circuit (B) positive and negative extreme ₂) and triode (V ₃), its base stage connects the 10. pin of CMOSII, is equipped with on housing (1) and can makes diode (V ₂) flash of light appears window (2) outside the housing.

3, alarm according to claim 1 and 2, it is characterized in that said toggle switch (K) is actually three toggle switches, switch middle-grade (C) last slice logical with switch limit (a) spot welding of performing, the positive interpolar of limit on another (b) and power supply (E) is connected in series a small electric bulb (H), and this small electric bulb is loaded in the translucent cover on the housing (1).

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