CN112233373A - Method for eliminating false alarm of distress call device by assisting in detecting motion of distress call device - Google Patents
Method for eliminating false alarm of distress call device by assisting in detecting motion of distress call device Download PDFInfo
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- CN112233373A CN112233373A CN202011254050.4A CN202011254050A CN112233373A CN 112233373 A CN112233373 A CN 112233373A CN 202011254050 A CN202011254050 A CN 202011254050A CN 112233373 A CN112233373 A CN 112233373A
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- motion
- firefighter
- action
- alarm
- bracelet
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Abstract
The invention provides a method for assisting in measuring motion and eliminating false alarm of a call-for-help device, which relates to the technical field of safety protection equipment and comprises a call-for-help device main body and a bracelet; the bracelet acquires motion signals of the wrist of a firefighter in real time through the first acceleration sensor, and sends control signals to the main body of the distress call device through the first wireless processor chip under the condition that the motion signals are acquired; the calling-for-help device main part passes through the motion signal of second acceleration sensor real-time acquisition firefighter health position, under the motion signal's of not gathering firefighter health position the condition, carry out the counter count, reach under the condition of predetermineeing the numerical value at count data, the control alarm sends alarm instruction, and under the condition of receiving control signal through the second wireless processor chip, reset count data, combine bracelet detection firefighter motion state, the alert operation of accessible motion signal cancellation wrong report, and then play the effect of accurate warning, provide the guarantee to firefighter's security.
Description
Technical Field
The invention relates to the technical field of safety protection equipment, in particular to a method for assisting in measuring motion and eliminating false alarm of a distress call device.
Background
The firefighter distress call device is an acousto-optic alarm device worn by firefighters in and out of a fire scene, and according to the safety standard in GBT 27900 plus 2011 firefighter distress call device, if the firefighters do not move for 30 seconds continuously, an acousto-optic alarm can be automatically sent out, so that the protection and timely rescue effects on endangered firefighters are achieved.
However, in some use scenarios, the situation that the firefighter performs rescue operation under the non-motion situation can occur, and then the firefighter distress call device cannot play an effective protection role, so that false alarm is easily caused, and the normal operation of the firefighter is influenced.
Disclosure of Invention
The invention aims to provide a method for assisting in detecting movement and eliminating false alarm of a distress call device, which is combined with a bracelet to detect the movement state of a fireman, plays a role in accurately alarming and provides guarantee for the safety of the fireman.
In a first aspect, an embodiment of the present invention provides a method for assisting in detecting motion and eliminating false alarm of a distress call device, where the distress call device includes a main body of the distress call device worn on a body part of a firefighter and a bracelet worn on a wrist of the firefighter, the bracelet includes a first acceleration sensor and a first wireless processor chip, the main body of the distress call device includes a second acceleration sensor, a second wireless processor chip, a counter and an alarm, the counter is connected to the second acceleration sensor, the second wireless processor chip and the alarm, and the method includes:
the first acceleration sensor is used for acquiring motion signals of the wrist of the firefighter in real time, and the first wireless processor chip is used for sending control signals to the main body of the distress call device under the condition that the motion signals are acquired;
acquiring a motion signal of the body part of the firefighter in real time through the second acceleration sensor, and counting by using a counter under the condition that the motion signal of the body part of the firefighter is not acquired;
and under the condition that the counting data reach a preset value, controlling the alarm to send an alarm instruction, and resetting the counting data under the condition that the second wireless processor chip receives the control signal sent by the first wireless processor chip.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the method further includes:
and matching the motion signal acquired by the bracelet and the counting data of the counter with preset action posture model data to determine the current action posture of the fireman, and controlling the action of the alarm if the current action posture is in an abnormal state.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the bracelet further includes a vital sign monitoring sensor, configured to acquire vital sign information, and the method further includes:
and comparing the vital sign information with preset vital sign information, determining the current vital sign state of the firefighter, and controlling the action of the alarm if the vital sign state is an abnormal state.
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the step of matching the motion signal acquired by the bracelet and the count data of the counter with preset motion posture model data to determine the current motion posture of the firefighter includes:
will the motion signal that the bracelet was gathered and the count data of counter according to same dimension time axis, carry out curve fitting, obtain fire fighter's action fitting curve matches with gesture curve in the action gesture model data that predetermine, regards as the gesture curve that curve contact ratio is greater than coincidence threshold value fire fighter's current action gesture, current action gesture includes but is not limited to following one or more: standing, running, walking, going upstairs and downstairs.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the step of matching the motion signal collected by the bracelet and the count data of the counter with preset motion posture model data to determine the current motion posture of the firefighter includes:
and comparing each motion signal in the action fitting curve of the firefighter with action attitude point data in preset action attitude model data, and controlling the action of the alarm if the motion signal exceeds the currently expected attitude or attitude threshold range.
The embodiment of the invention provides a method for assisting in detecting motion and eliminating false alarm of a distress call device.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a method for assisting in detecting motion and eliminating false alarm of a distress call device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a method for assisting in detecting motion and eliminating false alarm of a distress call according to an embodiment of the present invention;
fig. 3 is an application schematic diagram of a method for assisting in detecting motion and eliminating false alarm of a call-for-help device according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The fireman on the present market calls for help ware is not intelligent enough, under some use scenes, if the fireman is in under the non-motion operation condition, can not effectually detect, leads to the wrong report alert, influences the normal operation of fireman, if the fireman holds the squirt water spray, and the fireman holds when breaking the instrument of breaking open and tear and so on.
Through the research of the inventor, the body of a fire fighter may be still during the operation, but the hand of the fire fighter is always in motion during the operation, so that the motion state of the hand can be detected.
Based on the above, the method for assisting in detecting the movement and eliminating the false alarm of the help caller provided by the embodiment of the invention assists the help caller in detecting the movement posture of the firefighter, so that the accurate alarm effect is achieved, and the safety of the firefighter is guaranteed.
The following is a detailed description by way of example.
Referring to fig. 1, an embodiment of the present invention provides a method for assisting in measuring motion to eliminate false alarm of a distress call device, which is applied to a distress call device, where the distress call device includes a distress call device main body worn on a body part (including but not limited to a shoulder or a waist) of a firefighter and a bracelet worn on a wrist of the firefighter, the bracelet includes a first acceleration sensor and a first wireless processor chip, the first acceleration sensor may employ an ADXL362 chip, the first wireless processor chip may employ an NRF52840 chip, the distress call device main body includes a second acceleration sensor, a second wireless processor chip, a counter and an alarm, the second acceleration sensor employs an ADXL362 chip, and the second wireless processor chip employs an NRF52832 chip;
the first acceleration sensor is connected with the first wireless processor chip, the first wireless processor chip is wirelessly connected with the second wireless processor chip, the second wireless processor chip and the second acceleration sensor are connected with the counter, and the counter is connected with the alarm; the counter can be integrated with a control device, such as a control chip STM32F 103.
Fig. 2 is a schematic diagram of a method for assisting in detecting motion and eliminating false alarm of a distress call device according to an embodiment of the present invention, and referring to fig. 2, the method includes the following steps:
102, acquiring a motion signal of the wrist of the firefighter in real time through the first acceleration sensor, and sending a control signal to the main body of the distress call device through the first wireless processor chip under the condition of acquiring the motion signal;
104, acquiring a motion signal of the body part of the firefighter in real time through the second acceleration sensor, and counting by using a counter under the condition that the motion signal of the body part of the firefighter is not acquired;
and 106, controlling the alarm to send an alarm instruction when the counting data reach a preset value, and resetting the counting data when the second wireless processor chip receives a control signal sent by the first wireless processor chip.
In the preferred embodiment of practical application, gather the action gesture of fire fighter through combining the bracelet of wearing on the wrist with the calling for help ware main part, gather the motion signal at the bracelet, and when the calling for help ware main part did not gather the motion signal, the counter resets to avoid appearing the alarm condition under the condition of taking place danger, guarantee fire fighter operation safe and reliable.
The low-power-consumption Bluetooth chip has ultrahigh sensitivity and ultralow power consumption. As an alternative embodiment, as shown in fig. 3, the distress call device continuously detects the movement of the body part of the firefighter in real time, when a preset time, such as 30 seconds, is reached or the counter count reaches a preset value 30 and no movement of the firefighter is detected, an audible and visual pre-alarm is issued to remind the firefighter, and once a movement signal of the body movement of the firefighter is detected during the pre-alarm period, the pre-alarm is automatically released and the count data is reset. The counting data is also automatically reset during the non-pre-alarm period if a movement signal of body movement is detected.
The motion of the detection hand that the bracelet was not stopped in real time, in case the motion signal of hand motion is detected to the bracelet, produces the motion signal transmission of motion for the calling for help ware main part with the hand through radio communication, and the calling for help ware resets count data or removes the preliminary alarm. As an optional embodiment, the main body of the distress call device is further configured to match the motion signal collected by the bracelet and the count data of the counter with preset motion posture model data, determine the current motion posture of the firefighter, and control the alarm to operate if the current motion posture is in an abnormal state.
The action attitude model stores motion signals and counting data corresponding to various action attitudes, and the motion signal and the counting data collected by the main body of the distress call device determine the action attitude currently corresponding to the firefighter according to the action attitude model. In addition, each gesture in the action gesture model carries a corresponding gesture tag, such as abnormal and normal. The user can judge whether the action posture of the current firefighter is abnormal or not.
In some embodiments, the method further comprises:
and matching the motion signal acquired by the bracelet and the counting data of the counter with preset action posture model data to determine the current action posture of the fireman, and controlling the action of the alarm if the current action posture is in an abnormal state.
Vital signs monitoring sensors include, but are not limited to, heart rate monitoring sensors, ECG monitoring sensors, accelerometers, blood pressure sensors, and the like. The vital sign information includes, but is not limited to, heart rate, blood oxygen, step number, blood pressure, and electrocardiosignal.
As an optional embodiment, in the above embodiment, the step of determining the current action posture of the firefighter by matching the motion signal collected by the bracelet and the count data of the counter with preset action posture model data includes: performing curve fitting according to a same-dimension time axis to obtain an action fitting curve of the firefighter, matching the action fitting curve with an attitude curve in preset action attitude model data, and taking the attitude curve with the curve coincidence degree greater than the coincidence threshold value as the current action attitude of the firefighter, wherein the current action attitude comprises one or more of the following actions: standing, running, walking, going upstairs and downstairs.
The main body of the distress call device can perform curve fitting on the basis of the motion signals and the counting data on the same dimension time axis, and judge the degree of coincidence with a curve in preset action posture model data, wherein if the first curve is coincided by one half and the second curve is coincided by one third, the action posture corresponding to the first curve is the current action posture.
As an optional embodiment, the step of matching the motion signal collected by the bracelet and the count data of the counter with preset motion posture model data and determining the current motion posture of the firefighter further includes:
and comparing each motion signal in the action fitting curve of the firefighter with action attitude point data in preset action attitude model data, and controlling the action of the alarm if the motion signal exceeds the currently expected attitude or attitude threshold range.
The motion signals and the counting data corresponding to each motion gesture are classified in the preset motion gesture model data, namely the currently expected gesture or gesture threshold range comprises a motion signal range A and a counting data range B, the abnormal gesture comprises a motion signal range C and a counting data range D, and if the current motion signal exceeds the threshold range of the motion signal range A, the alarm is controlled to act.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (5)
1. The utility model provides a supplementary method of surveying motion elimination calling for help ware wrong report police which characterized in that is applied to calling for help ware, calling for help ware is including wearing the calling for help ware main part at fire fighter's health position and wearing the bracelet of fire fighter's wrist, the bracelet includes first acceleration sensor and first wireless processor chip, calling for help ware main part includes second acceleration sensor, second wireless processor chip, counter and alarm, the counter respectively with second acceleration sensor second wireless processor chip and alarm are connected, the method includes:
the first acceleration sensor is used for acquiring motion signals of the wrist of the firefighter in real time, and the first wireless processor chip is used for sending control signals to the main body of the distress call device under the condition that the motion signals are acquired;
acquiring a motion signal of the body part of the firefighter in real time through the second acceleration sensor, and counting by using a counter under the condition that the motion signal of the body part of the firefighter is not acquired;
and under the condition that the counting data reach a preset value, controlling the alarm to send an alarm instruction, and resetting the counting data under the condition that the second wireless processor chip receives the control signal sent by the first wireless processor chip.
2. The method of claim 1, further comprising:
and matching the motion signal acquired by the bracelet and the counting data of the counter with preset action posture model data to determine the current action posture of the fireman, and controlling the action of the alarm if the current action posture is in an abnormal state.
3. The method of assisting in measuring motion and eliminating distress call false alarms according to claim 1, wherein the bracelet further comprises a vital sign monitoring sensor for collecting vital sign information, the method further comprising:
and comparing the vital sign information with preset vital sign information, determining the current vital sign state of the firefighter, and controlling the action of the alarm if the vital sign state is an abnormal state.
4. The method for assisting in measuring motion and eliminating a false alarm of a distress call machine according to claim 2, wherein the step of determining the current motion posture of the firefighter by matching the motion signal collected by the bracelet and the count data of the counter with preset motion posture model data comprises: the main body of the distress call device or the hand ring is also used for
Will the motion signal that the bracelet was gathered and the count data of counter according to same dimension time axis, carry out curve fitting, obtain fire fighter's action fitting curve matches with gesture curve in the action gesture model data that predetermine, regards as the gesture curve that curve contact ratio is greater than the coincidence threshold value fire fighter's current action gesture, current action gesture includes following one or more: standing, running, walking, going upstairs and downstairs.
5. The method of claim 4, wherein the step of matching the motion signals collected by the bracelet and the count data of the counter with preset motion gesture model data, the step of determining the current motion gesture of the firefighter further comprises:
and comparing each motion signal in the action fitting curve of the firefighter with action attitude point data in preset action attitude model data, and controlling the action of the alarm if the motion signal exceeds the currently expected attitude or attitude threshold range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254050.4A CN112233373A (en) | 2020-11-11 | 2020-11-11 | Method for eliminating false alarm of distress call device by assisting in detecting motion of distress call device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011254050.4A CN112233373A (en) | 2020-11-11 | 2020-11-11 | Method for eliminating false alarm of distress call device by assisting in detecting motion of distress call device |
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| Publication Number | Publication Date |
|---|---|
| CN112233373A true CN112233373A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011254050.4A Pending CN112233373A (en) | 2020-11-11 | 2020-11-11 | Method for eliminating false alarm of distress call device by assisting in detecting motion of distress call device |
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| CN (1) | CN112233373A (en) |
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- 2020-11-11 CN CN202011254050.4A patent/CN112233373A/en active Pending
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