CN107224683B - Glass breaking device and control method thereof - Google Patents
Glass breaking device and control method thereof Download PDFInfo
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- CN107224683B CN107224683B CN201710479157.0A CN201710479157A CN107224683B CN 107224683 B CN107224683 B CN 107224683B CN 201710479157 A CN201710479157 A CN 201710479157A CN 107224683 B CN107224683 B CN 107224683B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
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Abstract
The invention discloses a glass breaking device and a control method thereof. The glass breaking device comprises: the glass breaker comprises a first switch, a second switch, a glass breaker, a timer and a control unit. The first switch, the second switch, the glass breaker and the timer are respectively and electrically connected to the control unit; the control unit is configured to detect states of the first switch and the second switch, start the timer and detect the states of the first switch and the second switch to confirm whether a glass breaking condition is met if a change in the state of at least one of the first switch and the second switch is detected, and start the glass breaker if the states of the first switch and the second switch are detected to meet the glass breaking condition before the timer expires. The embodiment of the invention can avoid glass breaking caused by accidentally changing the state of the switch, so that the glass breaking device has better safety.
Description
Technical Field
The embodiment of the invention relates to the field of vehicle safety, in particular to a glass breaking device for a vehicle and a control method thereof.
Background
With the development of the transportation industry, people pay more and more attention to the traffic safety. Vehicle safety has become an important consideration in the design process. In the case of a large-sized vehicle such as a small-sized automobile, a bus, a train, a ship and the like, many lives are involved in an accident. Taking an automobile as an example, once an emergency occurs in the automobile, it is important to quickly escape from the interior of the automobile in a relatively closed state. If the measures are not timely or necessary self-rescue measures are lacked, the life and property safety of drivers and passengers can be threatened. Therefore, many manufacturers invest a great deal of money in the safety kit of the automobile in order to improve the safety performance of the vehicle. At present, most of drivers and passengers and manufacturers consider breaking glass walls or glass windows in an emergency state to form a temporary passage for people to evacuate and escape, so that casualties can be effectively reduced.
At present, widely used glass breaking device is with manual broken glass hammer mostly, and the use of manual broken glass hammer nevertheless needs certain skill, uses improper condition, can not hit broken glass reliably in the short time, for example can be because of hindering or space problem can not use broken glass hammer to come broken glass. Therefore, in recent years, a new electromagnetic or explosive glass breaker has appeared. However, the electric control type glass breaker adopts a one-key glass breaking switch, and glass can be broken only by simply closing the switch. However, in an actual operation environment, the switch may be closed due to misoperation, foreign object squeezing, or vibration of, for example, a vehicle body, which may result in accidental glass breakage, resulting in unnecessary economic loss.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a glass breaking device and a control method thereof, which can avoid glass breaking caused by accidentally changing the state of a switch, so that the glass breaking device has better safety.
According to a first aspect of the present invention, a glass breaking device is provided. The glass breaking device comprises: the glass breaker comprises a first switch, a second switch, a glass breaker, a timer and a control unit. The first switch and the second switch are respectively and electrically connected to the control unit; the glass breaker is electrically connected to the control unit; the timer is electrically connected to the control unit; the control unit is configured to detect states of the first switch and the second switch, start the timer and detect the states of the first switch and the second switch to confirm whether a glass breaking condition is met if a change in the state of at least one of the first switch and the second switch is detected, and start the glass breaker if the states of the first switch and the second switch are detected to meet the glass breaking condition before the timer expires.
In an embodiment of the present invention, the devitrification condition includes a change in a state of one of the first switch and the second switch if the state of the other of the first switch and the second switch is changed; the control unit is configured to activate the glass breaker if a change in state of the other of the first switch and the second switch is detected before the timer expires.
In an embodiment of the present invention, the devitrification condition includes a state of at least one of the first switch and the second switch changing again if states of both the first switch and the second switch change; the control unit is configured to start the glass breaker if it is detected that at least one of the first switch and the second switch has changed state again before the timer expires.
In an embodiment of the present invention, the glass breaking device further includes an alarm electrically connected to the control unit, wherein the control unit is configured to control the alarm to alarm if a change in state of at least one of the first switch and the second switch is detected.
In an embodiment of the present invention, the control unit is configured to detect the states of the first switch and the second switch at preset periods.
In an embodiment of the present invention, the preset period is less than the time of the timer.
According to a second aspect of the present invention, there is provided a control method for any one of the glass breaking devices described in the first aspect of the present invention. The control method comprises the following steps: detecting the states of the first switch and the second switch; starting a timer if a change in state of at least one of the first switch and the second switch is detected; detecting the states of the first switch and the second switch to confirm whether a glass breaking condition is met; starting a glass breaker if it is detected that the states of the first switch and the second switch meet a glass breaking condition before the timer expires.
In an embodiment of the present invention, the devitrification condition includes a change in a state of one of the first switch and the second switch if the state of the other of the first switch and the second switch is changed; the glass breaker is activated if a change in state of the other of the first switch and the second switch is detected before the timer expires.
In an embodiment of the present invention, the devitrification condition includes a state of at least one of the first switch and the second switch changing again if states of both the first switch and the second switch change; starting the glass breaker if it is detected that at least one of the first switch and the second switch has changed state again before the timer expires.
In an embodiment of the present invention, the control method further includes: and controlling an alarm to give an alarm if a change in state of at least one of the first switch and the second switch is detected.
In an embodiment of the present invention, the states of the first switch and the second switch are detected at a preset cycle.
In an embodiment of the present invention, the preset period is less than the time of the timer.
According to an embodiment of the present invention, the glass breaking device may break glass through double verification of the first switch and the second switch. Therefore, glass breaking caused by accidentally changing the state of the switch can be avoided, so that the glass breaking device has better safety
Further aspects and ranges of adaptability will become apparent from the description provided herein. It should be understood that various aspects of the present invention may be implemented alone or in combination with one or more other aspects. It should also be understood that the description and specific examples herein are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure, wherein:
FIG. 1 shows a schematic block diagram of a glass breaking device according to an embodiment of the present invention;
FIG. 2 shows a schematic block diagram of a glass breaking device according to another embodiment of the present invention;
fig. 3 shows a flowchart of a control method for the glass breaking device according to an embodiment of the present invention;
fig. 4 shows a flowchart of a control method for a glass breaking device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments. It should be noted that the features in the embodiments of the present invention may be combined with each other without conflict.
The embodiment of the invention provides a glass breaking device and a control method thereof, wherein the glass breaking device and the control method thereof can be applied to vehicles such as automobiles, trains, ships and the like, and the automobiles are taken as an example for explanation.
Fig. 1 is a schematic block diagram of a glass breaking device 100 according to an embodiment of the present invention. As shown in fig. 1, the glass breaking apparatus 100 includes a first switch 102, a second switch 104, a glass breaker 106, a timer 108, and a control unit 110. The first switch 102, the second switch 104, the glass breaker 106 and the timer 108 are electrically connected to the control unit 110, respectively. It should be understood that in this context, the term "electrical connection" may be a CAN, LAN or wire line connection.
The first switch 102 and the second switch 104 may be different types of switches such as push-button switches (e.g., self-locking or self-resetting push-button switches), knob switches, and the like. The switch may generally have a closed state and an open state, and the state of the switch may be changed by triggering. For example, the state of the switch may be changed from open to closed by triggering, and the state of the switch may also be changed from closed to open by triggering. For the self-locking push-button switch, for example, the state of the self-locking push-button switch can be changed from off to always on by triggering. For a self-resetting push button switch, for example, the state of the self-resetting push button switch can be changed from open to closed by triggering, and then changed from closed to always open. The first switch 102 and the second switch 104 may be provided at positions convenient for the driver to operate. In addition, a suitable distance may be maintained between the first switch 102 and the second switch 104 to prevent both switches from being misoperated or squeezed at the same time.
The glass breaker 106 may be a glass breaker that is activated by an initiation current. The initiation current may be provided by the control unit 110. The glass breaker 106 may include multiple glass breakers mounted on different glasses and/or skylights, respectively. These breakers may be connected to the control unit 110 in a parallel connection such that the breakers 106 may break multiple glasses and/or skylights simultaneously after being activated.
The timer 108 may be preset and started by the control unit 110. When the timer 108 reaches the set time (i.e., the timer expires), the timer is stopped. The timer 108 may be integrated in the control unit 110 to reduce the volume of the glass breaking device 100. The following embodiment will be described by taking an example in which the time set by the timer 108 is 8 seconds.
The Control Unit 110 may be an Electronic Control Unit (ECU) of the automobile. The controller is composed of integrated circuits and is used for realizing functions of analyzing, processing, sending and the like of data. The control unit 110 may be configured to detect the state of the first switch 102 and the second switch 104, e.g. by detecting whether current flows through the first switch 102 and the second switch 104 to detect whether they are triggered. Further, the control unit may be configured to detect the states of the first switch and the second switch at a preset cycle. The following embodiments are described taking as an example that the control unit 110 is configured to detect the states of the first switch 102 and the second switch 104 at a preset cycle of 500 milliseconds.
It should be noted that the preset period of the control unit may be any time value as long as the preset period of the control unit is less than the time set by the timer.
The glass breaking device 100 operates as follows. At some point, at least one of the first switch 102 and the second switch 104 is activated. Then, the control unit 110 starts the timer 108 and continues to detect the states of the first switch 102 and the second switch 104 to confirm whether the states of the first switch 102 and the second switch 104 meet the glass breaking condition. If the states of the first switch 102 and the second switch 104 meet the devitrification condition before the timer 108 expires, the control unit 110 may activate the devitrifier 106 by providing the priming current to the devitrifier 106. Accordingly, the glass breaking device 100 can break glass by confirmation of the breaking condition. The states of the first switch 102 and the second switch 104 in which case the glass breaking condition is satisfied will be described below by way of specific examples.
According to an example embodiment of the invention, at some point, the first switch 102 is triggered. At this time, the control unit 110 detects that one of the first switch 102 and the second switch 104 is triggered, i.e., the first switch 102 is triggered, and the second switch 104 is not triggered. Then, the control unit 110 starts the timer 108. The second switch 104 is triggered, for example, at second 7, before the timer 108 expires. At this time, the control unit 110 detects that the second switch 104 is triggered, that is, the states of the first switch 102 and the second switch 106 meet the glass breaking condition, so the control unit 110 may activate the glass breaker 106 by supplying the priming current to the glass breaker 106. Therefore, the glass breaking device 100 finally realizes glass breaking through double verification of the first switch 102 and the second switch 104.
According to an example embodiment of the invention, at some point, the first switch 102 is triggered due to a malfunction. At this time, the control unit 110 detects that one of the first switch 102 and the second switch 104 is triggered, that is, the first switch 102 is triggered. Then, the control unit 110 starts the timer 108. Because the control unit 110 does not detect that the second switch 104 is triggered before the timer 108 expires, i.e., the states of the first switch 102 and the second switch 106 do not comply with the glass breaking condition, the control unit 110 does not activate the glass breaker 106. Therefore, the glass breaking device 100 can avoid the first switch 102 from being triggered to break glass due to misoperation through the double verification of the first switch 102 and the second switch 104.
As can be seen from the above description, the glass breaking device 100 can break glass through double verification of the first switch 102 and the second switch 104. If one of the two switches is triggered by a malfunction or squeezing of a foreign object, the glass breaker 106 is not activated at this time. Only before the timer 108 expires, another switch is triggered to activate the glass breaker 106. Therefore, glass breakage due to accidental triggering of the switch can be avoided, so that the glass breaking device 100 has better safety.
Fig. 2 is a schematic block diagram of a glass breaking device 200 according to another embodiment of the present invention. As shown in fig. 2, the glass breaking device 200 includes, in addition to the first switch 102, the second switch 104, the glass breaker 106, the timer 108 and the control unit 110 of fig. 1, an alarm 112 electrically connected to the control unit 110.
The alarm 112 may include one or more of a buzzer, a voice alarm, or an indicator light. The alarm 112 emits a buzzer, a voice alarm, or a blinking of an indicator light under the control of the control unit 110 to indicate to the driver that glass may be broken.
The glass breaking principle of the glass breaking device 200 is the same as that of the glass breaking device 100, and a description thereof will not be repeated. The states of the first switch 102 and the second switch 104 in which case the glass breaking condition is satisfied will be described below by way of specific examples.
According to an example embodiment of the invention, at some point, the first switch 102 and the second switch 104 are triggered simultaneously. At this time, the control unit 110 detects that both the first switch 102 and the second switch 104 are triggered. Then, the control unit 110 sends an alarm signal to the alarm 112 to control the alarm 112 to alarm, thereby alerting the driver that the glass may be broken. At the same time, the control unit 110 starts the timer 108. Before the timer 108 expires, for example at 7 seconds, the first switch 102, or the second switch 104, or both the first switch 102 and the second switch 104 are triggered again. At this time, the control unit 110 detects that at least one of the first switch 102 and the second switch 104 is triggered again, that is, the states of the first switch 102 and the second switch 106 meet the glass breaking condition, so the control unit 110 may activate the glass breaker 106 by supplying the priming current to the glass breaker 106. Therefore, the glass breaking device 200 finally realizes glass breaking through the double verification of the first switch 102 and the second switch 104.
According to an example embodiment of the invention, at some point, the first switch 102 and the second switch 104 are triggered simultaneously due to a malfunction. At this time, the control unit 110 detects that both the first switch 102 and the second switch 104 are triggered. Then, the control unit 110 sends an alarm signal to the alarm 112 to control the alarm 112 to alarm, thereby alerting the driver that the glass may be broken. At the same time, the control unit 110 starts the timer 108. After the driver receives the warning from the warning indicator 112, one or both of the first switch 102 and the second switch 104 are not triggered. Because the control unit 110 does not detect that at least one of the first switch 102 and the second switch 104 is triggered again, i.e., the states of the first switch 102 and the second switch 106 do not comply with the glass breaking condition, before the timer 108 expires, the control unit 110 does not activate the glass breaker 106. Therefore, the glass breaking device 200 can avoid the glass breaking caused by the misoperation of both the first switch 102 and the second switch 104 through the double verification of the first switch 102 and the second switch 104.
As can be seen from the above description, the glass breaking device 200 breaks glass through double verification of the first switch 102 and the second switch 104. If both the first switch 102 and the second switch 104 are triggered due to a malfunction or foreign object squeezing, the glass breaker 106 is not activated at this time. The glass breaker 106 is only activated if at least one of the first switch 102 and the second switch 104 is again triggered before the timer 108 expires. Therefore, glass breakage due to accidental triggering of the switch can be avoided, so that the glass breaking device 200 has better safety.
It should be noted that the control unit 110 not only sends out the alarm signal to the alarm 112 when both the first switch 102 and the second switch 104 are triggered. The control unit 110 may also send an alarm signal to the warning indicator 112 when one of the first switch 102 and the second switch 104 is triggered, to indicate to the driver that a glass break may be imminent.
Fig. 3, 4 schematically show a flowchart of a control method for the above-described glass breaking device according to an embodiment of the present invention. The control method according to the embodiment of the present invention may be executed by a control unit in the glass breaking device. The flow diagrams of fig. 3 and 4 are described in detail below.
As previously mentioned, the state of the switch may include closed and open, and may be changed by triggering, and will not be described again.
As shown in fig. 3, the control unit may detect the states of the first switch and the second switch at step 302. At step 304, it is determined whether it is detected that one of the first switch and the second switch is triggered. If it is detected in step 304 that the first switch is triggered and the second switch is not triggered, i.e. it is detected that one of the first switch and the second switch is triggered, then in step 306 a timer is started to start timing. In step 308, the state of the other switch continues to be detected. At step 310, it is determined whether the second switch is detected to be triggered before the timer expires. If it is detected in step 310 that the second switch is triggered, that is, that the other of the first switch and the second switch is triggered, that is, the states of the first switch 102 and the second switch 106 conform to the condition of breaking glass, then in step 312, the glass breaker is activated. On the other hand, if it is not detected in step 310 that the second switch is triggered, then returning to step 302, the detection of the states of the first switch and the second switch continues. In addition, in step 306, the control unit may send an alarm signal to the alarm while starting the timer, so as to control the alarm to alarm, thereby prompting that glass breaking may be about to occur.
The control method provided by the present embodiment is applied to the glass breaking device 100 shown in fig. 1 described in the foregoing embodiment, and the structure, function and/or advantages thereof are the same as those of the glass breaking device 100 in the foregoing embodiment, and therefore, detailed description thereof is omitted.
As shown in fig. 4, the flowchart of the control method comprises steps 314, 316, 318 and 320 in addition to steps 302, 304, 306, 308, 310 and 312 of fig. 3, wherein step 304 may be performed in parallel with step 314. Steps 302, 304, 306, 308, 310, and 312 of fig. 4 are the same as those of fig. 3, and a description thereof will not be repeated.
If it is detected at step 314 that both the first switch and the second switch are triggered, a timer is started at step 316 and an alarm is controlled to alert that a possible glass break is imminent. On the other hand, if it is not detected in step 314 that both the first switch and the second switch are triggered, then return to step 302 to continue detecting the state of the first switch and the second switch. At step 318, the detection of the states of the first switch and the second switch continues. At step 320, it is determined whether the first switch, or the second switch, or both the first switch and the second switch are detected to be triggered before the timer expires. If it is detected at step 320 that either the first switch, the second switch, or both the first switch and the second switch are triggered, i.e., the state of the first switch 102 and the second switch 106 corresponds to a glass breaking condition, then a glass breaker is activated at step 312. On the other hand, if it is not detected in step 320 that the first switch, or the second switch, or both the first switch and the second switch are triggered, then returning to step 302, the detection of the states of the first switch and the second switch continues.
The control method provided by the present embodiment is applied to the glass breaking device 200 shown in fig. 2 described in the foregoing embodiment, and the structure, function and/or advantages thereof are the same as those of the glass breaking device 200 in the foregoing embodiment, and therefore, detailed description thereof is omitted.
The flow chart depicted in this disclosure is merely an example. There may be many variations to this flowchart or the steps described therein without departing from the spirit of the disclosure. For example, the steps may be performed in a differing order, or steps may be added, deleted or modified.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A glass breaking device comprising: a first switch, a second switch, a glass breaker, a timer and a control unit, wherein,
the first switch and the second switch are respectively and electrically connected to the control unit;
the glass breaker is electrically connected to the control unit;
the timer is electrically connected to the control unit;
the control unit is configured to detect states of the first switch and the second switch, start the timer and detect the states of the first switch and the second switch to confirm whether a glass breaking condition is met if a change in the state of at least one of the first switch and the second switch is detected, and start the glass breaker if the states of the first switch and the second switch are detected to meet the glass breaking condition before the timer expires.
2. The glass breaking device of claim 1, wherein the breaking condition includes a change in state of one of the first switch and the second switch if the state of the other of the first switch and the second switch changes; the control unit is configured to activate the glass breaker if a change in state of the other of the first switch and the second switch is detected before the timer expires.
3. The glass breaking device of claim 1, wherein the breaking condition includes a state of at least one of the first switch and the second switch changing again if the states of both the first switch and the second switch change; the control unit is configured to start the glass breaker if it is detected that at least one of the first switch and the second switch has changed state again before the timer expires.
4. The glass breaking device of claim 1, further comprising: an alarm electrically connected to the control unit, wherein the control unit is configured to control the alarm to alarm if a change in state of at least one of the first switch and the second switch is detected.
5. The glass breaking device according to any one of claims 1-4, wherein the control unit is configured to detect states of the first switch and the second switch at preset periods.
6. The glass breaking device according to claim 5, wherein the preset period is less than a time of the timer.
7. A control method for the glass breaking device of any one of the preceding claims, comprising:
detecting the states of the first switch and the second switch;
starting a timer if a change in state of at least one of the first switch and the second switch is detected;
detecting the states of the first switch and the second switch to confirm whether a glass breaking condition is met;
starting a glass breaker if it is detected that the states of the first switch and the second switch meet a glass breaking condition before the timer expires.
8. The control method of claim 7, wherein the devitrification condition includes a change in a state of one of the first switch and the second switch if the state of the other of the first switch and the second switch changes; the glass breaker is activated if a change in state of the other of the first switch and the second switch is detected before the timer expires.
9. The control method of claim 7, wherein the devitrification condition includes a state of at least one of the first switch and the second switch changing again if states of both the first switch and the second switch change; starting the glass breaker if it is detected that at least one of the first switch and the second switch has changed state again before the timer expires.
10. The control method according to claim 7, further comprising: and controlling an alarm to give an alarm if a change in state of at least one of the first switch and the second switch is detected.
11. The control method according to any one of claims 7 to 10, wherein the states of the first switch and the second switch are detected at preset periods.
12. The control method according to claim 11, wherein the preset period is less than a time of the timer.
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| CN201710479157.0A CN107224683B (en) | 2017-06-22 | 2017-06-22 | Glass breaking device and control method thereof |
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| CN201710479157.0A CN107224683B (en) | 2017-06-22 | 2017-06-22 | Glass breaking device and control method thereof |
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| CN103253111A (en) * | 2013-05-24 | 2013-08-21 | 开平市中铝实业有限公司 | Car door with crushing device for car window glass |
| CN105083191A (en) * | 2015-09-16 | 2015-11-25 | 大陆汽车电子(长春)有限公司 | Automatic window detonating method and system and vehicle with system |
| CN105787325A (en) * | 2016-02-19 | 2016-07-20 | 宇龙计算机通信科技(深圳)有限公司 | Start and shutdown control method and device of terminal and terminal |
| CN205498867U (en) * | 2016-02-29 | 2016-08-24 | 株洲南冠安全科技有限公司 | Automatic broken glass escape device |
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| JP4101846B2 (en) * | 2006-05-30 | 2008-06-18 | 滋賀県商工環境株式会社 | Manufacturing method of greening base material using glass fragments and greening base material using glass fragments |
| US8884734B2 (en) * | 2008-11-17 | 2014-11-11 | Roger Li-Chung Wu | Vision protection method and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266647A (en) * | 2011-06-30 | 2011-12-07 | 周强 | Self-destruction system of fire hazard resistant toughened glass |
| CN103253111A (en) * | 2013-05-24 | 2013-08-21 | 开平市中铝实业有限公司 | Car door with crushing device for car window glass |
| CN105083191A (en) * | 2015-09-16 | 2015-11-25 | 大陆汽车电子(长春)有限公司 | Automatic window detonating method and system and vehicle with system |
| CN105787325A (en) * | 2016-02-19 | 2016-07-20 | 宇龙计算机通信科技(深圳)有限公司 | Start and shutdown control method and device of terminal and terminal |
| CN205498867U (en) * | 2016-02-29 | 2016-08-24 | 株洲南冠安全科技有限公司 | Automatic broken glass escape device |
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| CN107224683A (en) | 2017-10-03 |
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Effective date of registration: 20230420 Address after: No. 5800, Ecological Street, Jingyue Hi tech Industrial Development Zone, Changchun, 130,000, Jilin Patentee after: Continental Automotive Safety System (Changchun) Co.,Ltd. Address before: No. 17, Gaoxin 4th Road, songtiao Industrial Zone, Lianyungang City, Jiangsu Province Patentee before: Continental automotive electronics (Lianyungang) Co.,Ltd. |