CN106355800A - Glass breakage alarm device and method - Google Patents

Abstract

The invention discloses a glass breakage alarm device, which is characterized in that a sensor, an acceleration sensor and an inclination angle sensor are arranged in a body, an attachment surface is formed on the surface of the body, a through hole is formed on the attachment surface, a sensing part is arranged at the position, opposite to the through hole, of the sensor, an elastic element with the outer end protruding out of the attachment surface is arranged in the through hole in a penetrating way, and the sensing part can detect a close-connection state when the elastic element is pressed; when the invention is used, the adhesive surface is adhered to the surface of the glass, the sensing part detects the proximity state due to the pressure of the elastic element, when the glass is broken and the body is separated from the surface of the glass, on one hand, the acceleration sensor and the inclination angle sensor immediately detect the state change, on the other hand, the elastic element can return to the original position to trigger the sensors, and the wireless transmitting element sends out an alarm signal to inform a user, thereby achieving the effect of household safety protection.

Description

Glass breaking alarm device and method

technical field

The invention relates to the field of anti-theft devices, in particular to a glass breaking alarm device and method.

Background technique

Existing glass anti-theft means, such as glass breakage sensors, are used by installing the sensor near the glass, and connecting the sensor to an alarm host in the form of wire extension. When the glass is subjected to external force to generate vibration or When the sound is broken, the sensor will detect the sound, and the corresponding signal will be generated from the output terminal. After the signal is sent to the alarm host, the alarm host will judge the signal mode to send an alarm, and notify the user to achieve glass anti-theft. Effect.

Although the above-mentioned existing glass breakage sensor cooperates with the anti-theft host to achieve the effect of glass anti-theft, but because the glass breakage sensor itself only has the effect of detection and does not have the function of issuing an alarm signal, there are still installation settings for use. Trouble and the need to set up an additional anti-theft host to judge the vibration signal to issue an alarm signal. The installation cost in use is relatively high, and the installation process is also relatively complicated.

Furthermore, since the existing glass breakage sensor judges the state by detecting the sound from the glass, there are many sources of interference that may cause the glass to make a sound in the environment around the glass, such as heavy vehicles passing by, wind and rain, etc. Interference sources such as blowing, sound waves from firecrackers, and lightning strikes cause the glass to vibrate and emit sound. At this time, the existing glass breakage sensor may generate false alarms.

Contents of the invention

Because the existing glass breakage sensor cannot be used independently, it needs to cooperate with the alarm host for anti-theft use, so it has the disadvantages of high installation cost and trouble, and the existing glass breakage sensor judges the state of the glass by detecting sound , so it is susceptible to false alarms due to environmental interference.

In order to solve the above disadvantages, the present invention provides a glass breaking alarm device, the structure of which includes:

A body, an attachment surface is formed on the surface of the open end of the body, an installation space is formed by the closed end inside the body, and an installation space is passed through the attachment surface toward the closed end of the body to communicate with the installation space. perforation;

A sensor, the sensor is fixed in the installation space of the body, a sensing part is provided at the position of the sensor facing the through hole, and the sensor can detect a sensor through the sensing part The proximity state after the object moves towards the sensing part;

An elastic element, the elastic element is accommodated in the perforation, the outer end of the elastic element protrudes from the attachment surface, and the inner end of the elastic element can move toward the sensing part when the outer end is pressed, so that the sensor detects a proximity state; and

A wireless sending element, the wireless sending element is electrically connected with the sensor, so that when the sensor cannot sense the proximity state, the wireless sending element sends out the alarm signal.

Preferably, the sensor of the present invention is provided with a base adjacent to the through hole in the installation space, and a circuit board is combined on the base, and the sensing part is a push button structure and is arranged on the The base is aligned with the inner end of the perforation, and the button structure is electrically connected to the circuit board. When the button structure is pressed by the elastic element, the function of the circuit board can make the sensor detect the In the proximity state, the wireless sending element is electrically connected to the circuit board of the sensor.

Preferably, the sensor of the present invention is provided with a base adjacent to the through hole in the installation space, a circuit board is combined on the base, and the sensing part is arranged on the base to align with the through hole end, and output a light source to sense the proximity state, cooperate with the function of the circuit board to make the sensor detect the proximity state, and the wireless sending element is electrically connected with the circuit board of the sensor.

Further, in the present invention, an inclination sensor and an acceleration sensor are installed inside the body, and the inclination sensor and the acceleration sensor are respectively electrically connected to the circuit board.

Further, in the present invention, a narrowed section is formed at the outer end of the perforation, the width of which is narrower than other parts of the perforation, and the elastic element includes a knob and a spring, and the knob is slidably accommodated in the In the necking section, and the outer end of the knob protrudes from the attachment surface, a buckle protrudes from the outer peripheral surface of the inner end of the knob, and the buckle is located on the inner side of the necking section and can be received by the neck. The shrinking section is buckled, and the spring is arranged between the sensing part and the convex button.

Further, the sensor of the present invention includes a tilt sensing part, and the tilt sensing part is electrically connected with the sensor, so that when the tilt sensing part senses the change of the body angle, it sends out a signal through the circuit board. warning sign.

Further, in the present invention, a power supply is provided in the installation space, and the power supply is electrically connected to the sensor and the wireless sending element.

Further, in the present invention, an adhesive layer is provided on the attachment surface of the body, and a release paper is combined on the surface of the adhesive layer.

Furthermore, the body of the present invention includes a device case and a rear cover, the device case is a straight cylindrical case with a closed end and an open end at opposite ends; the installation space is located in the The inside of the device case communicates with its open end; the attachment surface is formed on the closed end of the device case, and the attachment surface is perpendicular to the outer peripheral surface of the device case; the back cover is combined with the device by detachable means closed end of the shell.

The installation method when the present invention is used is to paste the attachment surface on the glass. During the pasting process, the glass presses the elastic element, and the sensor detects the proximity state. When the glass breaks and the main body of the present invention falls, the elastic element Returning to the original position, the sensor cannot sense the proximity state, so that the wireless sending element sends out an alarm signal.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention uses an alarm host that does not require additional installation to interpret detection signals, and the anti-theft setting can be completed by pasting the main body on the glass, so the installation process is quick and easy.

2. The present invention can be used alone, and has the function of detecting and issuing alarm signals at the same time. The alarm message is transmitted to the user's computer or mobile phone through WIFI or other wireless signals, and the user is notified. Therefore, the cost of applying to anti-theft is low and the use more economical.

3. The present invention is different from the existing traditional glass breakage sensor, as long as the main body of the present invention does not fall during use, false alarms will not occur.

Description of drawings

Fig. 1 is a schematic sectional view of a preferred embodiment of the present invention;

Fig. 2 is a schematic cross-sectional view of a body of a preferred embodiment of the present invention;

Fig. 3 is a schematic cross-sectional view of a convex button according to a preferred embodiment of the present invention;

Fig. 4 is a schematic diagram of a preferred embodiment of the present invention installed on glass;

Fig. 5 is a schematic diagram of the use of the preferred embodiment of the present invention falling off from glass.

Explanation of reference signs:

A-glass 10-body 11-device shell 111-installation space

112-attachment surface 113-perforation 1131-neck constriction section 12-back cover

20 sensor 21-base 22-circuit board 23-sensing part

30-elastic element 31-convex button 311-buckle 32-spring

40-wireless sending component 50-power supply 60-paste structure 61-adhesive layer

62-Release paper 90-Inclination sensor 92-Acceleration sensor

detailed description

The present invention is a glass breaking alarm device, please refer to Fig. 1 to Fig. 3, its structure includes a body 10, a sensor 20, an elastic element 30, an inclination sensor 90, an acceleration sensor 92, A wireless sending element 40, a power supply 50 and a pasting structure 60, wherein:

The body 10 includes a device case 11 and a rear cover 12, wherein the device case 11 is a straight cylindrical shell with a closed end and an open end at opposite ends, formed inside the device case 11 An installation space 111 communicated with the open end forms a planar attachment surface 112 on the surface of the closed end of the device case 11. The attachment surface 112 and the outer peripheral surface of the device case 11 are perpendicular to each other. The middle of 112 is provided with a straight hole-shaped perforation 113 towards the installation space, and a necking section 1131 is formed at the outer end of the perforation 113, so that the width of the outer end of the perforation 113 is narrower than other parts of the perforation 113. The rear cover 12 is a cover And it is combined with the open end of the device case 11 by a detachable means, such as screwing or concave-convex fit, thereby sealing the installation space 111 in the device case 11 .

The sensor 20, such as this preferred embodiment, is a sensor in the form of a proximity switch, and its structure includes a base 21, a circuit board 22 and a sensing part 23, wherein the base 21 is combined and fixed on In the part adjacent to the through hole 113 in the installation space 111, the inclination sensor 90 and the acceleration sensor 92 are installed on the circuit board 22, and the circuit board 22 is arranged on the base 21 and includes A circuit capable of detecting the state of the sensing part 23, the inclination sensor 90 and the acceleration sensor 92, and a circuit for sending out an alarm signal, the sensing part 23 is an elastic push button structure and is arranged on the base 21 At the inner end of the through hole 113, the sensing part 23 is electrically connected to the circuit board 22. When the sensing part 23 is pressed, the function of the circuit board 22 to detect the state of the sensing part 23 can make the sensor 20 detect After detecting the proximity state of an object moving towards the sensing part 23, when the sensing part 23 leaves the pressed state, it will return to its original position; if the sensor 20 detects the proximity state for a long time and then leaves, And when the state changes of the inclination sensor 90 and the acceleration sensor 92 are detected at the same time, an alarm signal will be sent through the circuit board 22 .

The elastic element 30 includes a convex button 31 and a spring 32, wherein the convex button 31 is a straight cylindrical cover and one end facing the attachment surface 112 is a closed end, and the convex button 31 can advance along the extending direction of the through hole 113, In the form of moving back, it can be slidably accommodated in the necked section 1131 of the perforation 113, the outer end of the knob 31 protrudes from the attachment surface 112, and at the end of the knob 31 facing the sensing part 23 A clasp 311 protrudes from the outer peripheral surface, and the clasp 311 is located closer to the sensing portion 23 than the necking section 1131 , and the knob 31 moves outward toward the outside of the attachment surface 112 due to the elastic force of the spring 32 . When shifting, the buckle 311 can buckle the constricted section 1131 to prevent the knob 31 from falling out from the through hole 113. The spring 32 has two ends inside and outside and respectively lean against the sensing position of the sensor 20. part 23 and the aforementioned convex button 31, when the aforementioned convex button 31 is pressed, the spring 32 will be compressed and the inner end will move towards the sensing part 23, and the sensing part 23 will be pressed to make the sensor 20 detect The proximity state described.

The wireless sending component 40 can be modules for wireless communication such as WiFi, Bluetooth (Bluetooth), Qunfeng wireless network (ZigBee), Ultra Wideband (UWB), Sub-GHz (frequency band below 1 GHz), etc. The wireless sending element 40 can be arranged in the installation space 111 or around the body 10, as in this preferred embodiment, the wireless sending element 40 is arranged on the circuit board 22 of the sensor 20, so that the wireless sending element 40 It is electrically connected with the circuit board 22 , so that the alarm signal sent by the circuit board 22 can be wirelessly transmitted to the outside through the wireless sending element 40 .

The power supply 50, as in this preferred embodiment, is set as a battery and is arranged on the circuit board 22 to supply power to the sensor 20, the wireless sending element 40, the inclination sensor 90 and the acceleration sensor 92, the position of the power supply 50 is not only set on the circuit board 22, but also can be set at other positions in the installation space 111 and then electrically connected with the circuit board 22, and can also supply power to the sensor 20, the wireless The sending element 40, the inclination sensor 90 and the acceleration sensor 92 are used, and the power supply 50 can be an external power supply besides a battery. At this time, the structure of the power supply 50 is not included in the present invention.

The adhesive structure 60 includes an adhesive layer 61 and a release paper 62, wherein the adhesive layer 61 is provided on the attachment surface 112 of the body 10, and the outer end of the knob 31 protrudes from the adhesive layer 61 The surface of the release paper 62 is bonded to the surface of the adhesive layer 61.

In the aforementioned preferred implementation of the present invention, the elastic element 30 may also be a single spring structure in addition to the structure comprising the knob 31 and the spring 32, so that the outer end of the single spring protrudes from the attachment surface and The surface of the viscose layer 61 abuts against the sensing portion 23 with the inner end. When the outer end of the single spring is pressed, in addition to being compressed, its inner end can also move towards the sensing portion 23. Pressing the sensing portion 23 makes the sensor 20 detect the proximity state; the aforementioned single spring can also be replaced by other elastic long straight rod-shaped structures such as foam rods, which can also achieve the same effect when the outer end is pressed. The effect of enabling the sensor 20 to detect the proximity state, the change of the elements of the present invention is not limited by the specific shape of the elements described in the preferred embodiment.

And in the above-mentioned preferred embodiment of the present invention, in addition to pre-combining the above-mentioned sticking structure 60 on the sticking surface 112 of the main body 10, the sticking structure 60 may not be provided. Apply the required glue on the attachment surface 112 to use, and the reduction of the above-mentioned components is not limited by the form of the components described in the above-mentioned preferred embodiments.

When the present invention is used, please refer to the preferred embodiment of the present invention in Fig. 1 and Fig. 4, the release paper 62 is torn off, and the main body 10 is pasted and fixed on the surface of the glass A to be detected by the adhesive layer 61, which is As long as the viscous force of the viscose layer 61 is greater than that of the glass when the convex button 31 is pressed into the perforation 113, the sum of the elastic restoring force generated by the spring 32 and the force that the main body 10 will be peeled off from the surface of the glass A due to gravity traction is smaller than that of the glass A. When A is strongly vibrated or broken by an external impact, it is enough to separate the main body 10 from the glass A. After the body 10 is pasted on the surface of the glass A, the convex button 31 is pressed into the through hole 113 by the glass A, so that the spring 32 is compressed and the inner end moves toward the sensing part 23, and the sensing part 23 is pressed to make the sensor 20 detect When the proximity state is detected and the sensing part 23 is kept pressed for a long time, the installation setting of the anti-theft function of the present invention is completed.

When the glass A of the present invention is installed and broken, please refer to Fig. 5 of the preferred embodiment of the present invention, subject to the strong vibration of glass A, broken or the impact of body 10 falling with glass A, body 10 will be made of glass A At this time, on the one hand, the spring 32 and the convex button 31 of the elastic element 30 will return to their original positions due to no longer being pressed, and the sensor 20 will change from detecting the proximity state for a long time to the non-proximity state. On the other hand, the sensor 20 also detects that the states of the inclination sensor 90 and the acceleration sensor 92 have changed, so it will transmit wirelessly to the user's computer via the wireless sending element 40 . Or the mobile phone sends out an alarm signal to notify the user. When the installer or user receives the alarm signal, they can know that the glass A has been broken or the glass has been shaken by an external force to make the present invention fall, and can take corresponding actions to achieve home safety protection. Effect.

Further, in the embodiment of the present invention, the proximity state sensed by the sensor 20 can be sensed in an optical way. For example, the sensing part 23 can be a light reflection sensor that transmits the output light source and receives the The light source reflected by the convex button 31 is used to sense the approaching state of an object after moving towards the sensing part 23, or the elastic element 30 in this embodiment is removed, and the light source output directly by the sensing part 23 in the form of a light reflection sensor illuminate, and receive the light reflected by the glass A to sense the proximity state. When the glass A is broken or shaken to cause the main body 10 to fall, the sensor 20 senses the state of being out of proximity and the state changes of the inclination sensor 90 and the acceleration sensor 92, and sends an alarm through the circuit board 22 Signal.

Further, the alarm method for the sensor 20 to detect broken glass includes sensing vibration signals or sound signals in addition to simultaneous sensing of inclination angle signals and acceleration signals when the proximity state changes. Wherein, through the inclination sensor arranged on the main body 10, it can sense the angle change of the main body 10 when the glass A is broken and falls, and then sense the inclination angle signal, and through the one-three sensor arranged on the main body 10 The axial acceleration element or gyroscope can sense the acceleration signal, and when the glass is broken, the main body 10 falls due to breaking away from the surface of the glass A, and then senses the acceleration signal; or, through the The vibration sensing element can sense the vibration signal, and when the glass A is broken or the glass A is vibrated by an external force, the vibration sensing element senses the vibration signal; or, through the The sound sensing element 10 can sense the sound signal, and the sound sensing element can sense the sound generated when the glass A is broken or the sound generated when an external force is applied to the glass. By sensing the acceleration signal, vibration signal or sound signal to sense the result of the position change of the main body 10, the sensing accuracy of glass breakage is improved.

Claims (14)

1. A broken glass alarm device, characterized in that its structure comprises: A body, an attachment surface is formed on the surface of the open end of the body, an installation space is formed by the closed end inside the body, and the attachment surface is penetrated toward the closed end of the body a perforation communicating with the installation space; A sensor, the sensor is fixed in the installation space of the body, and a sensing part is provided at the position where the sensor faces the through hole, and the sensor passes through the The sensing part can detect the proximity state of an object after moving towards the sensing part; An elastic element, the elastic element is accommodated in the perforation, the outer end of the elastic element protrudes from the attachment surface, and the inner end of the elastic element can move toward the The sensing part moves so that the sensor detects a proximity state; and A wireless sending element, the wireless sending element is electrically connected with the sensor, so that when the sensor cannot sense the proximity state, the wireless sending element sends the alarm signal. 2. The glass breaking alarm device according to claim 1, wherein the sensor is provided with a base adjacent to the perforation in the installation space, and a circuit board is combined with the base, The sensing part is a push button structure and is arranged at the position where the base is aligned with the inner end of the through hole. The push button structure is electrically connected with the circuit board. When the push button structure is pressed by the elastic element Cooperating with the function of the circuit board, the sensor can detect the proximity state, and the wireless sending element is electrically connected with the circuit board of the sensor. 3. The glass breaking alarm device according to claim 1, wherein the sensor is provided with a base adjacent to the perforation in the installation space, and a circuit board is combined with the base, so that The sensing part is arranged at the position where the base is aligned with the inner end of the through hole, and outputs a light source to sense the proximity state, and cooperates with the function of the circuit board to enable the sensor to detect the proximity state, The wireless sending element is electrically connected with the circuit board of the sensor. 4. The glass breaking alarm device according to claim 2 or 3, wherein an inclination sensor and an acceleration sensor are installed inside the body, and the inclination sensor and the acceleration sensor The detectors are respectively electrically connected to the circuit board. 5. The glass breaking alarm device according to claim 2 or 3, characterized in that, at the outer end of the perforation, a necked section with a width narrower than other parts of the perforation is formed, and the elastic element includes a convex A button and a spring, the convex button is slidably accommodated in the neck section, and the outer end of the convex button protrudes from the attachment surface, and the outer peripheral surface of the inner end of the convex button A buckle is protrudingly provided, and the buckle is located on the inner side of the necking section and can be buckled by the necking section, and the spring is arranged between the sensing part and the convex button. 6. The glass breaking alarm device according to claim 5, wherein the sensor includes a tilt sensing part, and the tilt sensing part is electrically connected to the sensor so that the tilt sensor When the detection part senses the change of the angle of the body, an alarm signal is sent through the circuit board. 7 . The glass breaking alarm device according to claim 6 , wherein a power supply is provided in the installation space, and the power supply is electrically connected to the sensor and the wireless sending element. 8 . 8 . The glass breaking alarm device according to claim 7 , wherein an adhesive layer is provided on the attaching surface of the body, and a release paper is bonded on the surface of the adhesive layer. 9. The glass breaking alarm device according to claim 8, wherein the body comprises a device case and a rear cover, and the device case is a straight cylindrical shell with a A closed end and an open end; the installation space is located inside the device case and communicates with the open end; the attachment surface is formed on the closure end of the device case, and the attachment surface is connected to the device The outer peripheral surface of the case is vertical; the back cover is combined with the closed end of the device case by detachable means. 10. A glass breakage alarm method, characterized in that it is used for a glass breakage alarm device attached to a glass, the glass breakage alarm device implements the glass breakage alarm method to continuously detect the state of the glass, and the glass breakage The steps of the alert method include: continuously sensing proximity to the glass, either pressure or optically; and When the proximity state changes, an alarm signal is generated. 11. The glass breaking alarm method according to claim 10, wherein the glass breaking alarm device senses an inclination signal, an acceleration signal, a vibration signal or a sound signal when the proximity state changes, The alarm signal is output. 12. The glass breaking alarm method according to claim 10, wherein the alarm signal is a wireless signal. 13. The glass breaking alarm method according to claim 11, wherein the alarm signal is a wireless signal. 14. The glass breakage alarm method according to claim 11, wherein the acceleration signal is a result of a three-axis acceleration element sensing a position change of the glass breakage alarm device.