CN111374413A - Intelligent walking stick and false alarm device for preventing falling - Google Patents
Intelligent walking stick and false alarm device for preventing falling Download PDFInfo
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- CN111374413A CN111374413A CN201811642690.5A CN201811642690A CN111374413A CN 111374413 A CN111374413 A CN 111374413A CN 201811642690 A CN201811642690 A CN 201811642690A CN 111374413 A CN111374413 A CN 111374413A
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- intelligent crutch
- intelligent
- acceleration sensor
- false alarm
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B3/00—Sticks combined with other objects
- A45B3/08—Sticks combined with other objects with measuring or weighing appliances
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
- A45B9/02—Handles or heads
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0461—Sensor means for detecting integrated or attached to an item closely associated with the person but not worn by the person, e.g. chair, walking stick, bed sensor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
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- Engineering & Computer Science (AREA)
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Abstract
The embodiment of the application belongs to the technical field of walking sticks and relates to an intelligent walking stick and a false alarm device for preventing falling. The technical scheme provided by the application comprises a trigger piece and a microswitch; the intelligent crutch comprises a grip part, a trigger part, a microswitch and an acceleration sensor, wherein the trigger part is arranged on the grip part of the intelligent crutch and is in contact with the microswitch when being pressed down under stress so as to enable the acceleration sensor of the intelligent crutch to work; if the intelligent crutch is idle at a certain position, the microswitch is not stressed and naturally bounces off, the circuit enters an open circuit state, the acceleration sensor enters a non-working state, and even if the intelligent crutch falls in the state, false alarm can not occur, so that false alarm caused by falling of the intelligent crutch during idle can be avoided.
Description
Technical Field
The application relates to the technical field of walking sticks, in particular to an intelligent walking stick and a false alarm device for preventing falling.
Background
The intelligent crutch is an intelligent terminal product which can be used for supporting the body and assisting walking, and has the functions of communication, GPS/Beidou positioning, SOS emergency help-seeking, falling alarm and auxiliary functions of illumination, radio, player, entertainment and the like. The shape of the crutch is similar to that of a traditional crutch. The fall alarm function is an important main function of the intelligent crutch and is difficult to realize. The fall alarm function in the intelligent crutch product is to sense whether a fall occurs through a three-axis acceleration sensor arranged on a control panel of the intelligent crutch. When a user leans on the intelligent crutch to stand or holds the intelligent crutch to walk, if the user carelessly falls down, falls from a high place and other events occur, the intelligent crutch can incline to fall down along with the body of a person who falls down and even fall off the hand to fall down on the ground; at this time, the acceleration sensor in the intelligent crutch can intelligently sense the occurrence of the event action through an acceleration algorithm of XYZ axes; then, a falling alarm signal (sound alarm or light flashing alarm) can be sent out through the processing of the DSP chip on the control panel, and the falling alarm signal is transmitted to a cloud rescue service center through a network.
The fall alarm system has a key technical index, namely the accuracy of fall alarm or how to reduce false alarm. When a user actually uses the intelligent crutch, a more obvious situation may cause false alarm, that is, when the intelligent crutch is placed at a certain place and is not held in the hand of the user for use, the intelligent crutch may fall due to various situations such as wind blowing, vibration, shaking and the like, but the intelligent crutch does not fall over. When the situation happens, the general intelligent crutch can not intelligently identify whether the user really holds the intelligent crutch. The acceleration sensor still senses the falling information and then judges and gives an alarm according to the falling alarm process, and the alarm actually belongs to false alarm. How to avoid the false alarm that takes place when this kind of intelligent walking stick is vacant through what means come discernment, screening, filter this kind of false alarm, this is the current intelligent walking stick trade a general, the intractable problem that is difficult to solve.
Disclosure of Invention
The invention aims to provide an intelligent crutch and a device for preventing false alarm of falling, which can effectively monitor falling through an acceleration sensor when a user uses the intelligent crutch, and avoid false alarm of the intelligent crutch when the user falls under the condition that the intelligent crutch is idle.
In order to solve the above-mentioned problems, embodiments of the present invention provide the following technical solutions:
a false alarm device for preventing falling of an intelligent crutch,
comprises a trigger piece and a microswitch;
the trigger piece is arranged on the holding part of the intelligent crutch, and the trigger piece is contacted with the micro switch when being pressed down under stress, so that the acceleration sensor of the intelligent crutch works.
Through the technical scheme, when a user leans on the intelligent crutch, the palm is in contact with the trigger piece on the intelligent crutch, the palm naturally holds the holding part of the intelligent crutch, downward pressure is generated to press the trigger piece, the trigger piece moves downwards along with the trigger piece to press the microswitch, the microswitch is pressed to enter a circuit connection state along with the pressing, effective falling monitoring is carried out through the acceleration sensor, and when the user carelessly falls down or falls from a high place, the intelligent crutch sends a falling alarm signal to prompt rescue; if the intelligent crutch is idle at a certain position, the microswitch is not stressed and naturally bounces off, the circuit enters an open circuit state, the acceleration sensor enters a non-working state, and even if the intelligent crutch falls in the state, false alarm can not occur, so that false alarm caused by falling of the intelligent crutch during idle can be avoided.
The micro switch is electrically connected with the acceleration sensor and the controller, and the micro switch is arranged on a mainboard, so that the micro switch is connected with a mainboard circuit, and the on-off judgment of the circuit is carried out through the controller.
Through the technical scheme, when the microswitch is pressed by force and communicated with the main board circuit, the access between the microswitch and the main board circuit is judged, and the controller controls the acceleration sensor to work; when the micro-gap switch atress, micro-gap switch and mainboard circuit disconnection judge that micro-gap switch and mainboard circuit open circuit, and the work of controller control acceleration sensor disconnection to only user when using intelligent walking stick, acceleration sensor just can monitor the state of tumbleing of intelligent walking stick.
Further, the controller performs delay judgment processing on the acceleration sensor when the trigger is disengaged from the microswitch, so that the acceleration sensor keeps a working state within a set time of the disconnection between the microswitch and the main board circuit.
Further, the set time is 1-50 s.
Through the technical scheme, namely, the situation that the trigger member accidentally rebounds but is immediately held and pressed down due to natural stretching of the palm when a user walks at the actual hand of the intelligent crutch can occur within any set time when the micro switch and the main board circuit are in an open circuit, the intelligent crutch is normally held, and the situation is analyzed and judged by the controller, the intelligent crutch still continues to normally work, and the normal falling monitoring is carried out.
Further, the trigger piece is elastically connected with the intelligent crutch holding part.
Through foretell technical scheme, when the user gripped the intelligent walking stick portion of gripping, when the trigger piece atress pushed down, the trigger piece activity downwards to make the trigger piece push down micro-gap switch, when the user loosened the intelligent walking stick portion of gripping, the trigger piece resets under the restoring force of elastic component, and micro-gap switch also pops open thereupon.
Furthermore, one end of the trigger piece is hinged with the holding part of the intelligent crutch, and an elastic piece is arranged to restore to the initial position.
Through foretell technical scheme, when the user held the intelligent walking stick portion of gripping, when the trigger piece atress pushed down, the expansion end of trigger piece rotated downwards round the stiff end to make trigger piece push down micro-gap switch, when the user unclamped intelligent walking stick portion of gripping, the trigger piece resets under the restoring force of elastic component, and micro-gap switch also bounces thereupon.
Further, the trigger is made of plastic.
In order to solve the technical problem provided above, an embodiment of the present invention further provides an intelligent crutch, including the fall prevention false alarm device of the intelligent crutch as described above.
Through the technical scheme, when a user uses the intelligent crutch, the microswitch is pressed to enter a circuit connection state along with the pressing, and effective falling monitoring is carried out through the acceleration sensor so as to send an alarm signal when the user really falls; when the intelligent walking stick is idle at a certain position, the microswitch is not stressed and naturally bounces off, the circuit enters an open circuit state, the acceleration sensor enters a non-working state, false alarm can not occur when the intelligent walking stick falls off, and false alarm caused by falling off when the intelligent walking stick is idle can be avoided.
Furthermore, the intelligent crutch also comprises an acceleration sensor and an alarm device.
Through the technical scheme, when a user leans on the intelligent crutch to stand or holds the intelligent crutch to walk, if the user carelessly falls down or falls from a high place, the intelligent crutch can incline to fall down along with the body of a person who falls down or even fall off the hand to fall on the ground, and the acceleration sensor in the intelligent crutch can intelligently sense the occurrence of the action of the event through an acceleration algorithm of XYZ axes; then, a falling alarm signal (sound alarm or light flashing alarm) can be sent out through the processing of the DSP chip on the control panel, and the falling alarm signal is transmitted to a cloud rescue service center through a network.
Compared with the prior art, the embodiment of the invention mainly has the following beneficial effects:
when a user leans on the intelligent crutch, a trigger part is naturally and downwards transmitted to a microswitch under pressure, the microswitch is pressed to enter a circuit connection state along with the pressure, the work of an acceleration sensor is started through proper circuit processing, the acceleration sensor is used for effectively monitoring the falling, and when the user carelessly falls down and falls from a high place, the intelligent crutch can incline along with the body of a person who falls down or even fall off hands on the ground, so that the intelligent crutch sends a falling alarm signal to prompt rescue; if the intelligence walking stick is not held in the hand by the user, but is vacant somewhere all the time, at this moment trigger part does not receive pressure, trigger part and micro-gap switch are the off-state, micro-gap switch also does not have the atress and the elasticity is opened naturally, the circuit gets into the state of opening a circuit, acceleration sensor gets into unoperated state, even if this time the intelligence walking stick falls because various circumstances such as wind blows, vibrations, wave, also can not take place the wrong report police, the intelligence walking stick that prevents that this application provided falls the wrong report police device, the wrong report police that falls and cause when can be avoided the intelligent walking stick vacant.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of an overall structure of a walking stick according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a connection relationship between a grip portion of the crutch and a trigger according to an embodiment of the present invention;
fig. 3 is a circuit diagram of the fall false alarm prevention device in the embodiment of the present invention.
Description of reference numerals:
1. a trigger; 2. a grip portion.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprising" and "having," and any variations thereof, in the description and claims of the present invention and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the application provides a false alarm device for preventing falling of an intelligent crutch,
comprises a trigger piece and a microswitch;
the trigger piece is arranged on the holding part of the intelligent crutch, and the trigger piece is contacted with the micro switch when being pressed down under stress, so that the acceleration sensor of the intelligent crutch works.
When a user leans on the intelligent crutch, the hand can grasp the holding part of the intelligent crutch and generate downward pressure to support the body, generally, the palm can be pressed on the trigger piece, the pressure of the trigger piece can be naturally transmitted to the microswitch downwards, the microswitch is pressed to enter a circuit connection state along with the pressure, the work of the acceleration sensor is started through proper circuit processing, effective falling monitoring is carried out through the acceleration sensor, when the user carelessly falls down the body, falls from a high place and other events occur, the intelligent crutch can fall down along with the body of a person who falls down, even falls off the hand and falls down on the ground, and therefore the intelligent crutch sends a falling alarm signal to prompt rescue; if the intelligence walking stick is not held in the hand by the user, but is vacant somewhere all the time, at this moment trigger part does not receive pressure, trigger part and micro-gap switch are the off-state, micro-gap switch also does not have the atress and the elasticity is opened naturally, the circuit gets into the state of opening a circuit, acceleration sensor gets into unoperated state, even if this time the intelligence walking stick falls because various circumstances such as wind blows, vibrations, wave, also can not take place the wrong report police, the intelligence walking stick that prevents that this application provided falls the wrong report police device, the wrong report police that falls and cause when can be avoided the intelligent walking stick vacant.
The embodiment of the application also provides the intelligent crutch, which comprises the intelligent crutch anti-falling false alarm device.
When a user uses the intelligent crutch, the microswitch is pressed to enter a circuit connection state along with the pressing, and effective falling monitoring is carried out through the acceleration sensor so as to send an alarm signal when the user really falls; when the intelligent walking stick is idle at a certain position, the microswitch is not stressed and naturally bounces off, the circuit enters an open circuit state, the acceleration sensor enters a non-working state, false alarm can not occur when the intelligent walking stick falls off, and false alarm caused by falling off when the intelligent walking stick is idle can be avoided.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the relevant drawings.
As shown in fig. 1 to 2, a false alarm device for preventing a fall of an intelligent crutch includes a trigger 1 and a microswitch; the intelligent crutch comprises a trigger part 1, a microswitch and an acceleration sensor, wherein the trigger part 1 is made of plastic, the trigger part 1 is embedded in and arranged on an intelligent crutch holding part 2 and can move on the intelligent crutch holding part 2, the microswitch is arranged at the bottom of the trigger part 1, the trigger part 1 is in contact with the microswitch when being pressed down under stress so as to enable the acceleration sensor of the intelligent crutch to work, and the trigger part 1 is separated from the microswitch under the state of not being stressed so as to enable the acceleration sensor of the intelligent crutch to be disconnected from working.
When a user leans on the intelligent crutch, the hand can grasp the holding part 2 of the intelligent crutch and generate downward pressure to support the body, generally, the palm can be pressed on the trigger part 1, the pressure on the trigger part 1 can be naturally transmitted downwards to the microswitch, the microswitch is pressed to enter a circuit connection state along with the pressing, the work of the acceleration sensor is started through proper circuit processing, effective falling monitoring is carried out through the acceleration sensor, and when the user carelessly falls the body, falls from a high place and other events occur, the intelligent crutch can incline to fall down along with the body of a person who falls down or even fall off the hand and fall on the ground, so that the intelligent crutch sends a falling alarm signal to prompt rescue; if the walking stick is not held in the hand by the user, but is vacant somewhere all the time, trigger 1 at this moment does not receive pressure, trigger 1 and micro-gap switch are the disengagement state, micro-gap switch also does not have the atress and the elasticity is opened naturally, the circuit gets into the state of opening a circuit, acceleration sensor gets into unoperated state, even if this time the intelligent walking stick falls because various situations such as wind blows, vibrations, wave, also can not take place the wrong report police, the intelligent walking stick that prevents that this application provided falls the wrong report police device, the wrong report police that the drop caused when can avoid the intelligent walking stick vacant.
The micro switch is arranged on a mainboard, so that the micro switch is connected with a mainboard circuit and is used for judging the on-off of the circuit through the controller, the micro switch is welded on the mainboard in an attaching mode, when the micro switch is pressed down under stress and is communicated with the mainboard circuit, the passage of the micro switch and the mainboard circuit is judged, and the controller controls the acceleration sensor to work; when the micro-gap switch atress, micro-gap switch and mainboard circuit disconnection judge that micro-gap switch and mainboard circuit open circuit, and the work of controller control acceleration sensor disconnection to only user when using intelligent walking stick, acceleration sensor just can monitor the state of tumbleing of intelligent walking stick.
The controller performs delay judgment processing on the acceleration sensor when the trigger 1 is separated from the microswitch so that the acceleration sensor can keep a working state within the set time of the microswitch and the main board circuit being in an open circuit state, if the intelligent crutch is used normally, a user loosens a hand occasionally and then holds the intelligent crutch again, under the condition, the delay judgment processing is performed on the acceleration sensor through the controller, specifically, filtering processing can be performed through software, and when the trigger 1 is separated from the microswitch, namely, the acceleration sensor still continues to work normally within the set time of the microswitch and the main board circuit being in an open circuit state, normal falling monitoring is performed; if the user really falls down at this time, the intelligent crutch still can monitor the falling of the intelligent crutch because the acceleration sensor is in a working state, so that the intelligent crutch still can accurately give an alarm for falling; only when the user continuously loosens the intelligent crutch for a set time (if the user returns home or sits down for a rest, the crutch is placed at a certain position and does not lean against the crutch any more), the controller can automatically recognize that the user is in a non-walking state through a software algorithm after the acceleration sensor senses the walking stick, and the acceleration sensor enters a non-working state, so that even if the user and the intelligent crutch fall down, an alarm cannot be generated, and a false alarm is prevented.
The set time is 1-50s, in the embodiment of the invention, the set time is 30s, namely, the situation that when a user walks at the actual walking stick by leaning on the intelligent walking stick, the trigger member occasionally rebounds but is immediately held and pressed down due to natural stretching of the palm of the user may occur within 30s of the open circuit between the microswitch and the main board circuit, the situation belongs to the state of normally holding the intelligent walking stick, and the situation still continues to work normally through analysis and judgment of the controller, and routine drop monitoring is performed, the open circuit between the microswitch and the main board circuit exceeds 30s, the acceleration sensor can be disconnected to work, in other embodiments, the set time can be set to any other time within 1-50s according to the actual situation.
As shown in fig. 3, in the circuit diagram of the intelligent crutch matching with the device for preventing false alarm of falling down, T704 and T705 are TVS diodes, ESD is used for preventing electrostatic overvoltage, sw709 is a micro switch, the end of line KROW0 and the end of line KCOL1 are respectively connected with two ends of a controller, the on-off judgment of the circuit is made by the controller, when the micro switch is pressed by force and communicated with a main board circuit, the passage of the micro switch and the main board circuit is judged, and the controller controls the acceleration sensor to work; when the micro-gap switch atress, micro-gap switch and mainboard circuit disconnection judge that micro-gap switch and mainboard circuit open circuit, and the work of controller control acceleration sensor disconnection to only user when using intelligent walking stick, acceleration sensor just can monitor the state of tumbleing of intelligent walking stick.
In the embodiment of the invention, one end of the trigger 1 is hinged with the intelligent crutch holding part 2, and the elastic part is arranged to return to the initial position, namely, one end of the trigger 1 is a fixed end, the other end is a movable end, the elastic part is a torsion spring, when a user holds the intelligent crutch holding part 2 tightly, the movable end of the trigger 1 rotates downwards around the fixed end when the trigger 1 is pressed downwards under force, so that the trigger 1 presses the microswitch downwards, when the user loosens the intelligent crutch holding part 2, the trigger 1 resets under the restoring force of the elastic part, and the microswitch also pops open accordingly.
In other embodiments, the trigger part 1 is elastically connected with the intelligent crutch holding part 2, the trigger part 1 can move along the vertical direction as a whole, the intelligent crutch holding part 2 is provided with an elastic part connected with the bottom of the trigger part 1, the elastic part is set as a spring, when a user holds the intelligent crutch holding part 2, the trigger part 1 is forced to move downwards, so that the trigger part 1 presses the microswitch downwards, when the user loosens the intelligent crutch holding part 2, the trigger part 1 resets under the restoring force of the elastic part, and the microswitch also pops open accordingly.
Aiming at the false fall alarm incident which occurs when the intelligent crutch is placed idle and not held on the hand of a user, no special device is designed for recognizing and processing the situation at present for the intelligent crutch, in the prior art, a pressure sensor is additionally arranged at the leaning end of the intelligent crutch to recognize whether the user uses the crutch or not, because the leaning end of the intelligent crutch can feel obvious pressure when the user uses the crutch to walk or stand, when the user does not use the crutch, the pressure at the leaning end of the intelligent crutch can automatically disappear, however, the pressure sensor additionally arranged at the leaning end of the intelligent crutch can not accurately recognize whether the intelligent crutch is held in the hand or not, and can not recognize whether the user actively puts down the intelligent crutch or falls to enable the intelligent crutch to fall off the hand passively, and the sensor is arranged outside the leaning end of the intelligent crutch, so that the cost is high, the power is high, and the intelligent crutch can be used for a long time, the anti-collision device is used in various ground environments without interruption, is easy to damage and has short service life.
The device for preventing the false alarm of falling down of the intelligent crutch provided by the embodiment of the invention combines a simple and effective mechanical structure device with a switch circuit, and uses simple software to make and break the switch to identify whether a user holds the intelligent crutch to use, and the original DSP chip and the acceleration sensor are kept unchanged, so that the cost is hardly increased, and the cost is low. Through test and trial by a user, the device works very effectively, judges the false alarm basically and completely and accurately, and is a feasible scheme for effectively avoiding the false alarm problem at present.
The embodiment of the invention also provides an intelligent crutch based on the device for preventing false alarm of falling, which comprises a holding part 2 and the device for preventing false alarm of falling, wherein the device for preventing false alarm of falling is embedded in the holding part 2, the holding part 2 is provided with a containing groove for installing a trigger part 1, when a user uses the intelligent crutch, a microswitch is pressed to enter a circuit connection state along with the holding part, and an acceleration sensor is used for effectively monitoring falling so as to send an alarm signal when the user really falls; when the intelligent walking stick is idle at a certain position, the microswitch is not stressed and naturally bounces off, the circuit enters an open circuit state, the acceleration sensor enters a non-working state, false alarm can not occur when the intelligent walking stick falls off, and false alarm caused by falling off when the intelligent walking stick is idle can be avoided.
The intelligent crutch also comprises an acceleration sensor and an alarm device, wherein the acceleration sensor is a three-axis acceleration sensor, a BMA250E chip is adopted as a DSP chip in the intelligent crutch, when a user leans on the intelligent crutch to stand or hold the intelligent crutch to walk, if the user carelessly falls down, falls from a high place and other events occur, the intelligent crutch can incline along with the body of a person who falls down, even falls off the hand and falls on the ground, and the acceleration sensor in the intelligent crutch can intelligently sense the occurrence of the event action through an acceleration algorithm of an XYZ axis; then, a falling alarm signal (sound alarm or light flashing alarm) can be sent out through the processing of the DSP chip on the control panel, and the falling alarm signal is transmitted to a cloud rescue service center through a network.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention without limiting its scope. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.
Claims (9)
1. A false alarm device for preventing falling down of an intelligent crutch, which is characterized in that,
comprises a trigger piece and a microswitch;
the trigger piece is arranged on the holding part of the intelligent crutch, and the trigger piece is contacted with the micro switch when being pressed down under stress, so that the acceleration sensor of the intelligent crutch works.
2. The fall prevention false alarm device of the intelligent crutch of claim 1,
the micro switch is electrically connected with the acceleration sensor and the controller, and the micro switch is arranged on a mainboard, so that the micro switch is connected with a mainboard circuit, and the on-off judgment of the circuit is carried out through the controller.
3. The fall prevention false alarm device of the intelligent crutch of claim 2,
and the controller performs delay judgment processing on the acceleration sensor when the trigger is separated from the microswitch so that the acceleration sensor keeps a working state within the set time of the disconnection of the microswitch and the main board circuit.
4. The fall prevention false alarm device of the intelligent crutch of claim 3,
the set time is 1-50 s.
5. The fall prevention false alarm device of the intelligent crutch of claim 1,
the trigger piece is elastically connected with the intelligent crutch holding part.
6. The fall prevention false alarm device of the intelligent crutch of claim 1,
one end of the trigger piece is hinged with the holding part of the intelligent crutch, and an elastic piece is arranged to restore to the initial position.
7. The fall prevention false alarm device of the intelligent crutch of claim 1,
the trigger is made of plastic.
8. An intelligent crutch comprising a fall prevention false alarm device as claimed in any one of claims 1 to 7.
9. The intelligent crutch of claim 8 wherein,
the intelligent crutch also comprises an acceleration sensor and an alarm device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642690.5A CN111374413A (en) | 2018-12-29 | 2018-12-29 | Intelligent walking stick and false alarm device for preventing falling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811642690.5A CN111374413A (en) | 2018-12-29 | 2018-12-29 | Intelligent walking stick and false alarm device for preventing falling |
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| CN111374413A true CN111374413A (en) | 2020-07-07 |
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| CN201811642690.5A Pending CN111374413A (en) | 2018-12-29 | 2018-12-29 | Intelligent walking stick and false alarm device for preventing falling |
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| CN106073079A (en) * | 2016-05-31 | 2016-11-09 | 山东建筑大学 | There is automatic alarm and the energy-saving crutch of SOS and method of work |
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