CN208969796U - A kind of auto-alarming horizontally-opening windows and doors protective chain - Google Patents

Abstract

The utility model discloses a kind of auto-alarming horizontally-opening windows and doors protective chains, including chain type protective chain, trigger-type buzzer siren and spring safety scribing, chain type protective chain includes movable end and fixing end, the fixing end of chain type protective chain is fixed on doorframe, and movable end is connect by spring safety scribing with trigger-type buzzer siren；Auto-alarming horizontally-opening windows and doors protective chain provided by the utility model, it is thus only necessary to install a set of automatic alarm device additional on the basis of former protective chain, device internal circuit is simple, and constituent element is common, and production cost is low；Not needing expensive Intelligent door lock also can achieve timely alarm, prevents into effect surreptitiously.

Description

A kind of auto-alarming horizontally-opening windows and doors protective chain

Technical field

The utility model belongs to protective chain technical field, and in particular to a kind of auto-alarming door and window protective chain.

Background technique

Door and window is the building structure being connected to inside and outside the room, is constrained in use sometimes for the opening angle to door and window To prevent from illegally opening, but traditional door and window can only control open and-shut mode by lockset, door and window can not be made only to open low-angle.

The entering house door of present house ornamentation is all security door, has certain anti-theft function, but live outside for a single people, especially It is women, still has psychological burden during sleeping at night.In order to reinforce taking precautions against, protective chain, door have also been installed on many doors additional Crack between a door and its frame aperture can only can not also pass through to 5~8cm, people after being opened；This can prevent owner will not be by within a certain period of time From surprise attack outdoors, but it can not further give and attempt door opener's warning, also can not significantly remind owner in time Reinforce prevention.Although present many security doors start to increase intelligent functions, such as fingerprint, password, IC card lock, its valuableness Price still allows many people to hang back.

Utility model content

For above-mentioned deficiency in the prior art, existing common protective chain provided by the utility model solve cannot and When remind within doors resident someone's illegal invasion the problem of.

In order to achieve the above object of the invention, a kind of the technical solution adopted in the utility model are as follows: auto-alarming vertical hinged door Window protective chain, including chain type protective chain, trigger-type buzzer siren and spring safety scribing, the chain type protective chain include The fixing end of movable end and fixing end, chain type protective chain is fixed on doorframe, and movable end passes through spring safety scribing It is connect with trigger-type buzzer siren；

The trigger-type buzzer siren includes button switch, button cell, buzzer, touching time-delay mechanism and LED light； The button switch, buzzer, touching time-delay mechanism and LED light are electrically connected with button cell.

Further, the timer in the touching time-delay mechanism is 555 timers, and the trigger in 555 timers For double D trigger；

The model 4F22 of the button cell；

Further, the internal circuit of the trigger-type buzzer siren are as follows:

One end of buzzer H1 and the cathode connection of button cell, another single pass-through LED light HR and thyratron transistor Anode connection, the anode of button cell pass through the cathode of a button switch SQP and body thyratron；

The anode of thyratron transistor is also connect with the 5th pin of the second pin of trigger U1 and trigger U1, shutter The cathode of flow tube is also connect with one end of one end of capacitor C1 and capacitor C2；

The control terminal of thyratron transistor is connect with one end of the other end of capacitor C2 and resistance R4 respectively, and resistance R4's is another One end is connect with the first pin of one end of resistance R3 and trigger U1 respectively, and the other end of resistance R3 is another with capacitor C1 respectively One end is connected with the 4th pin of trigger U1；

The third pin of trigger U1 is connect by resistance R1 with spring safety scribing M；

The third pin of trigger U1 also passes through the 6th pin of resistance R2 and trigger U1, trigger U1 the 7th draws Foot, capacitor C1 one end connected with one end of capacitor C2.

The utility model has the following beneficial effects: auto-alarming horizontally-opening windows and doors protective chain provided by the utility model, only Need to install additional a set of automatic alarm device on the basis of former protective chain, device internal circuit is simple, and constituent element is common, production It is at low cost；Not needing expensive Intelligent door lock also can achieve timely alarm, prevents into effect surreptitiously.

Detailed description of the invention

Fig. 1 is auto-alarming horizontally-opening windows and doors protective chain structure chart in embodiment provided by the utility model.

Fig. 2 is that protective chain realizes automatic alarm principle assumption diagram in embodiment provided by the utility model.

Fig. 3 is trigger-type buzzer siren internal circuit diagram in embodiment provided by the utility model.

Wherein: 1, trigger-type buzzer siren；2, spring safety scribing；3, chain type protective chain；31, movable end；32, solid Fixed end.

Specific embodiment

Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in, These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.

As shown in Figure 1, a kind of auto-alarming horizontally-opening windows and doors protective chain, including chain type protective chain 3, trigger-type buzzing report Alert device 1 and spring safety scribing 2, chain type protective chain 3 include movable end (31) and fixing end (32), chain type protective chain 3 Fixing end (32) is fixed on doorframe, and movable end (31) is connected by spring safety scribing 2 and trigger-type buzzer siren 1 It connects；

As shown in Fig. 2, trigger-type buzzer siren 1 includes button switch, button cell, buzzer, touching time-delay mechanism And LED light；The button switch, buzzer, touching time-delay mechanism and LED light are electrically connected with button cell.

A trigger-type buzzer siren 1 is mainly arranged in the realization of the utility model function at spring safety scribing 2. When needing to start the device, button switch therein is pressed, if (such as Fig. 1 institute when chain is pulled upwardly and touches scribing Show), the trigger of scribing tip contact to touching time-delay mechanism, buzzer and LED light in circuit obtain it is electric, issue alert song and Light simultaneously continues for some time.Warning stranger outdoors also reminds people within doors while leaving, make its vigilance, when necessary into Row alarm is sought help to other people.Starter is not needed such as, presses button switch SQP, disconnecting circuit again.

Wherein, touching the timer in time-delay mechanism is 555 timers, and the trigger in 555 timers is double D triggerings Device；

The model 4F22 of the button cell.

As shown in figure 3, the internal circuit of trigger-type buzzer siren 1 are as follows:

One end of buzzer H1 and the cathode connection of button cell, another single pass-through LED light HR and thyratron transistor Anode connection, the anode of button cell pass through the cathode of a button switch SQP and body thyratron；

The anode of thyratron transistor is also connect with the 5th pin of the second pin of trigger U1 and trigger U1, shutter The cathode of flow tube is also connect with one end of one end of capacitor C1 and capacitor C2；

The control terminal of thyratron transistor is connect with one end of the other end of capacitor C2 and resistance R4 respectively, and resistance R4's is another One end is connect with the first pin of one end of resistance R3 and trigger U1 respectively, and the other end of resistance R3 is another with capacitor C1 respectively One end is connected with the 4th pin of trigger U1；

The third pin of trigger U1 is connect by resistance R1 with spring safety scribing M；

The third pin of trigger U1 also passes through the 6th pin of resistance R2 and trigger U1, trigger U1 the 7th draws Foot, capacitor C1 one end connected with one end of capacitor C2.

In foregoing circuit, VS is the major loop of switch, and button cell provides the direct current of 6V for LED lamp, buzzer HA It is used with trigger U1.

The working principle of the circuit are as follows:

Trigger U1 is double D trigger, is only connected into monostable circuit with one of d type flip flop, and 1 foot is defeated when stable state Low level out, VS shutdown.When manpower touches spring safety scribing M, human body leakage current is divided through R1, R2, and just half Week overturns monostable circuit, and 1 foot exports high level, and the gate pole of VS is added to through R4, keeps VS open-minded, electric light is lighted, buzzer report It is alert.At this moment 1 foot output high level charges through R3 to capacitor C1, gradually rises 4 foot level until transient state terminates, circuit turns back Stable state, 1 foot sport low level, and VS loses trigger voltage, and when alternating current zero passage turns off, and lights, buzzer stops ring It rings.

The utility model has the following beneficial effects: auto-alarming horizontally-opening windows and doors protective chain provided by the utility model, only Need to install additional a set of automatic alarm device on the basis of former protective chain, device internal circuit is simple, and constituent element is common, production It is at low cost；Not needing expensive Intelligent door lock also can achieve timely alarm, prevents into effect surreptitiously.

Claims (3)

1. a kind of auto-alarming horizontally-opening windows and doors protective chain, which is characterized in that including chain type protective chain (3), trigger-type buzzing Alarm (1) and spring safety scribing (2), the chain type protective chain (3) include movable end (31) and fixing end (32), chain The fixing end (32) of formula protective chain (3) is fixed on doorframe, and movable end (31) passes through spring safety scribing (2) and triggering Formula buzzer siren (1) connection；

The trigger-type buzzer siren (1) includes button switch, button cell, buzzer, touching time-delay mechanism and LED light； The button switch, buzzer, touching time-delay mechanism and LED light are electrically connected with button cell.

2. auto-alarming horizontally-opening windows and doors protective chain according to claim 1, which is characterized in that the touching time-delay mechanism In timer be 555 timers, and the trigger in 555 timers be double D trigger；

The model 4F22 of the button cell.

3. auto-alarming horizontally-opening windows and doors protective chain according to claim 2, which is characterized in that the trigger-type buzzing report The internal circuit of alert device (1) are as follows:

One end of buzzer H1 and the cathode of button cell connect, the anode of another single pass-through LED light HR and thyratron transistor Connection, the anode of button cell pass through the cathode of a button switch SQP and body thyratron；

The anode of thyratron transistor is also connect with the 5th pin of the second pin of trigger U1 and trigger U1, thyratron transistor Cathode also connect with one end of one end of capacitor C1 and capacitor C2；

The control terminal of thyratron transistor is connect with one end of the other end of capacitor C2 and resistance R4 respectively, the other end point of resistance R4 Do not connect with the first pin of one end of resistance R3 and trigger U1, the other end of resistance R3 respectively with the other end of capacitor C1 and The 4th pin of trigger U1 connects；

The third pin of trigger U1 is connect by resistance R1 with spring safety scribing M；

The third pin of trigger U1 also passes through the 7th pin, the electricity of the 6th pin of resistance R2 and trigger U1, trigger U1 The one end for holding C1 is connected with one end of capacitor C2.