CN110664391A - Electric shock emergency safety protection bracelet and working method thereof - Google Patents
Electric shock emergency safety protection bracelet and working method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- A61B5/7235—Details of waveform analysis
- A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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Abstract
The invention relates to an electric shock emergency safety protection bracelet, which is characterized in that: the bracelet comprises a bracelet main body and a bracelet for connecting the bracelet main body and realizing wearing; the bracelet main body comprises a signal acquisition module, a filtering amplification circuit, an A/D conversion module, a central processing unit, an alarm module, an emergency trigger unit and a power module for providing power for each unit, wherein the signal acquisition module sequentially passes through the filtering amplification circuit and the A/D conversion module and inputs acquired signals to the central processing unit; the central processing unit is respectively connected with the alarm module and the emergency trigger unit so that the alarm module sends out an alarm signal to start the sound alarm when the central processing unit judges that the heart rate data of the wearing person is suddenly changed or the gradual change range exceeds the normal heart rate range, and the emergency trigger unit is triggered to work. The invention can collect and monitor the heart rate state of the operating personnel in real time, can quickly judge abnormal heart rate and give an alarm and perform emergency protection in time, realizes the whole-process tracking of the physical condition of the operating personnel, and improves the safety guarantee coefficient of the operating personnel.
Description
The technical field is as follows:
the invention relates to the field of power system safety, in particular to an electric shock emergency safety protection bracelet and a working method thereof.
Background art:
when the facilities of power switch cabinets such as a transformer substation, a ring main unit and a branch box are overhauled, the names and the numbers of intervals needing to be overhauled are mainly checked by personnel. In actual work, the power switch cabinets used in the same area are various in types, different in manufacturers and different in panel. Because the professional quality of field workers is not uniform, the familiarity of the field workers to equipment is not enough, and the field workers can maintain the field workers in the switch interval under the conditions that the energy of the field workers is not concentrated and safety measures are not in place, the field workers can easily mistakenly enter the electrified interval or open the electrified interval cover plate to touch the electrified equipment, so that electric shock is caused to cause accidents.
When existing electric power switch cabinet type facilities are overhauled, safety measures taken by workers are still manual mutual monitoring methods, potential safety hazards cannot be completely and thoroughly eradicated, and serious consequences can be caused when rescue is untimely due to lack of real-time monitoring and analysis on physical conditions of the workers in outdoor operation and small-sized decentralized operation work of an electric power system.
The invention content is as follows:
in view of this, the invention aims to provide an electric shock emergency safety protection bracelet and a method thereof, which can quickly judge the abnormal heart rate and give an alarm in time, and improve the safety guarantee coefficient of operators.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses an electric shock emergency safety protection bracelet, which is characterized in that: the bracelet comprises a bracelet main body and a bracelet for connecting the bracelet main body and realizing wearing; the bracelet main body comprises a signal acquisition module, a filtering amplification circuit, an A/D conversion module, a central processing unit, an alarm module, an emergency trigger unit and a power module for providing power for each unit, wherein the signal acquisition module sequentially passes through the filtering amplification circuit and the A/D conversion module and inputs acquired signals to the central processing unit; the central processing unit is respectively connected with the alarm module and the emergency trigger unit so that the alarm module sends out an alarm signal to start the sound alarm when the central processing unit judges that the heart rate data of the wearing person is suddenly changed or the gradual change range exceeds the normal heart rate range, and the emergency trigger unit is triggered to work.
Further, the signal acquisition module adopts an SC0073 pulse sensor.
Furthermore, the central processing unit is also connected with a GPS positioning module, a wireless module and a display module.
Further, above-mentioned emergent trigger unit is including establishing the gas holder in the bracelet main part, concatenating the solenoid valve on gas holder output pipeline and connecting the gasbag at gas holder output pipeline export, the control end of solenoid valve is connected on power supply with the silicon controlled rectifier, the control pole of silicon controlled rectifier is connected in central processing unit.
Further, above-mentioned bracelet main part is established in the casing, and it has the cap to articulate on the casing, the gasbag is established under the cap.
The invention discloses a working method of an electric shock emergency safety protection bracelet, which is characterized by comprising the following steps of:
step S1, turning on the power supply of the intelligent bracelet, initializing the system, collecting heart rate data by the collecting module through the SC0073 pulse sensor, and processing the collected signals by the signal collecting module accessing the filter amplifying circuit;
step S2: presetting data for 20s, after 20s, enabling the system to enter a normal real-time monitoring mode, transmitting acquired and processed heart rate data to a central processing unit by a signal acquisition module to serve as input data of a neural network analysis module arranged in the central processing unit, processing the data by the neural network analysis module, and judging whether the heart rate is in a normal range or not;
step S3: if the person heart rate data is suddenly changed or the gradual change range exceeds the normal heart rate range, the central processing unit judges, the alarm module sends out an alarm signal to start the sound alarm, and the emergency trigger unit is triggered to work.
Furthermore, the central processing unit is also connected with a GPS positioning module, a wireless module and a display module, and when the heart rate data of the wearing person changes suddenly or the gradual change range exceeds the normal heart rate range, the central processing unit sends alarm information and personnel positioning information to the background monitoring terminal through the wireless module.
Further, the judgment basis of the neural network analysis module of the central processing unit comprises that the heart rate data is taken as the basis, and if the heart rate data is in a normal range, the system only displays the instantaneous heart rate data and the average heart rate data within 1min on a display screen; if the gradual change range exceeds the normal heart rate range by 10%, judging that the physical condition of the personnel is abnormal, outputting an alarm signal and triggering an emergency trigger unit to work; the heart rate change rate is used as a basis, if the heart rate data changes suddenly and the heart rate change rate exceeds a set value, the system immediately judges that the system is abnormal, and outputs a high-level trigger alarm signal and triggers the emergency trigger unit to work.
Further, the neural network training data is specifically obtained by averaging the collected heart rate data within a preset time of the system
(times/min), so that the normal heart rate value of the subject ranges from
The training data matrix is selected as
Further, the neural network analysis module built in the central processing unit is specifically constructed in such a way that the input node is 5, the neural network is 4 layers, and the activation function is selected
The function, network weight parameter W, learning rate alpha is 0.8, the weight is updated by gradient descent method, and error ek＝(tk-ok)2T is the target value, o is the output value,
through the simplified calculation, the method has the advantages that,
and obtaining a weight updating formula, thereby obtaining a weight coefficient matrix W of the neural network and obtaining a neural network analysis module.
Compared with the prior art, the invention has the following beneficial effects:
the electric shock emergency safety protection bracelet can collect and monitor the heart rate state of an operator in real time, can quickly judge abnormal heart rate and alarm in time to send a signal, and simultaneously carries out active emergency protection, thereby realizing the whole-process tracking of the body condition of the operator in the operation process and improving the safety guarantee coefficient of the operator.
Description of the drawings:
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a schematic diagram of an emergency trigger unit;
FIG. 3 is a schematic view of wearing the bracelet of the present invention;
fig. 4 is a cross-sectional view N-N of fig. 3.
The specific implementation mode is as follows:
the invention is further explained below with reference to the drawings and the embodiments.
Referring to fig. 1, the electric shock emergency safety protection bracelet comprises a bracelet main body 1 and a wrist strap 2 for connecting the bracelet main body and realizing wearing; the bracelet main body 1 comprises a signal acquisition module 3, a filtering amplification circuit 4, an A/D conversion module 5, a central processing unit 6, an alarm module 7, an emergency trigger unit 8 and a power module 9 for providing power for each unit, wherein the signal acquisition module 3 sequentially passes through the filtering amplification circuit 4 and the A/D conversion module 5 and inputs acquired signals to the central processing unit 6; the central processing unit 6 is respectively connected with the alarm module 7 and the emergency trigger unit 8, so that when the central processing unit judges that the heart rate data of the wearing person changes suddenly or the gradual change range exceeds the normal heart rate range, the alarm module sends an alarm signal to start a sound alarm, and the emergency trigger unit is triggered to work.
In this embodiment, the signal acquisition module employs an SC0073 pulse sensor.
In this embodiment, the central processing unit is further connected to a GPS positioning module 16, a wireless module 17 and a display module 18.
In this embodiment, the emergency triggering unit 8 includes an air storage tank 9 disposed in the bracelet main body, an electromagnetic valve 10 connected in series to the output pipeline of the air storage tank, and an air bag 11 connected to the outlet of the output pipeline of the air storage tank, a valve core of the electromagnetic valve 10 seals the output pipeline of the air storage tank, so that high-pressure air in the tank cannot be output, only when the electromagnetic valve operates to shrink the valve core, the output pipeline of the air storage tank is dredged to output high-pressure air in the tank, a control end of the electromagnetic valve 11 is connected to a silicon controlled 12, a control electrode 13 (gate G) of the silicon controlled is connected to the central processing unit 6, the voltage of the power supply is above 24V, before use, it is necessary to ensure that the air storage tank 9 is filled with high-pressure air, the high-pressure air may be compressed air, which may be 2-3 atmospheres, when the central gradient processing unit 6 determines that, the emergency trigger unit 8 is triggered to work (meanwhile, the alarm module sends an alarm signal to start the sound alarm to inform nearby people), the central processing unit 6 sends a signal to a control electrode 13 (gate G) of the thyristor to enable a cathode K and an anode A of the thyristor to be conducted, even if a control end of the electromagnetic valve 10 is conducted, the electromagnetic valve 10 is conducted to enable an output pipeline of the air storage tank to be unblocked, high-pressure air in the air storage tank is conveyed into the air bag from the output pipeline of the air storage tank, the air bag rapidly expands to push open the shell cover, the expanded air bag enables the arm of a wearer to be rapidly separated from an electric device, the wearer is separated from electric shock, the electric shock time is reduced, further damage is generated, the alarm module sends the alarm signal to start the sound alarm, and nearby people can carry out emergency treatment by hearing the alarm.
In this embodiment, the bracelet body is arranged in the housing 14, and the housing cover 15 is hinged to the housing, and the airbag 11 is arranged right below the housing cover.
The emergency trigger unit 8 can rapidly act when a wearer gets an electric shock, so that the arm of the wearer is rapidly separated from the electric device, the electric shock time of the wearer is shortened, and the damage to the body of the wearer is reduced.
The working method of the electric shock emergency safety protection bracelet comprises the following steps:
step S1, turning on the power supply of the intelligent bracelet, initializing the system, collecting heart rate data by the collecting module through the SC0073 pulse sensor, and processing the collected signals by the signal collecting module accessing the filter amplifying circuit;
step S2: presetting data for 20s, after 20s, enabling the system to enter a normal real-time monitoring mode, transmitting acquired and processed heart rate data to a central processing unit by a signal acquisition module to serve as input data of a neural network analysis module arranged in the central processing unit, processing the data by the neural network analysis module, and judging whether the heart rate is in a normal range or not;
step S3: if the person heart rate data is suddenly changed or the gradual change range exceeds the normal heart rate range, the central processing unit judges that the alarm module sends an alarm signal to start the sound alarm and trigger the emergency trigger unit to work, the emergency trigger unit works, the central processing unit 6 sends a signal to a control electrode 13 (gate G) of the controllable silicon to lead the cathode K and the anode A of the controllable silicon to be conducted, even if the control end of the electromagnetic valve 11 is conducted, the output pipeline of the air storage tank is smooth, high-pressure air in the air storage tank is conveyed to the air bag from the output pipeline of the air storage tank, the air bag expands rapidly to push the shell cover open, the expanded air bag enables the arm of the wearer to be separated from the electric device rapidly, the wearer is separated from electric shock, therefore, the electric shock time is reduced, the further damage is generated, the alarm module sends out an alarm signal to start the sound alarm, and the nearby personnel can carry out first aid by hearing the alarm.
In this embodiment, the central processing unit is further connected to the GPS positioning module, the wireless module and the display module, and when the heart rate data of the wearing person changes suddenly or the gradual change range exceeds the normal heart rate range, the central processing unit further sends alarm information and person positioning information to the background monitoring terminal through the wireless module.
In this embodiment, the judgment basis of the neural network analysis module of the cpu includes that the heart rate data is used as a basis, and if the heart rate data is in a normal range, the system only displays the instantaneous heart rate data and the average heart rate data within 1min on the display screen; if the gradual change range exceeds the normal heart rate range by 10%, judging that the physical condition of the personnel is abnormal, outputting an alarm signal and triggering an emergency trigger unit to work; the heart rate change rate is used as a basis, if the heart rate data changes suddenly and the heart rate change rate exceeds a set value, the system immediately judges that the system is abnormal, and outputs a high-level trigger alarm signal and triggers the emergency trigger unit to work.
In this embodiment, the judgment basis of the neural network analysis module includes that the heart rate data is taken as the basis, if the heart rate data is in the normal range, firstly, the heart rate value exceeds the normal range by 10%, and the criterion setting is embodied in the selection of the training data; or the heart rate change rate (HRV) directly exceeds the normal level, namely, the heart rate is judged to be abnormal when the instantaneous heart rate change rate exceeds 25 times/min; when the two conditions meet one condition, the judgment is 1, the alarm module is triggered, and an alarm distress signal is sent out.
In this embodiment, the neural network training data is specifically obtained by averaging the collected heart rate data within a preset time of the system
(times/min), so that the normal heart rate value of the subject ranges from
The training data matrix is selected as
The training data set comprehensively reflects the heart rate data normality of the individual, the output score is higher when the heart rate is closer to the average numerical value, otherwise, the output score is lower, linear exercise is avoided, and the neural network response is closer to the state of a real heart rate system of a human body.
In this embodiment, the neural network analysis module built in the central processing unit is specifically configured such that the input node is 5, the neural network is 4 layers, and the activation function is selected
The function, network weight parameter W, learning rate alpha is 0.8, the weight is updated by gradient descent method, and error ek＝(tk-ok)2T is the target value, o is the output value,
through the simplified calculation, the method has the advantages that,
and obtaining a weight updating formula, thereby obtaining a weight coefficient matrix W of the neural network and obtaining a neural network analysis module.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides an emergent safety protection bracelet of electrocution, its characterized in that: the bracelet comprises a bracelet main body and a bracelet for connecting the bracelet main body and realizing wearing; the bracelet main body comprises a signal acquisition module, a filtering amplification circuit, an A/D conversion module, a central processing unit, an alarm module, an emergency trigger unit and a power module for providing power for each unit, wherein the signal acquisition module sequentially passes through the filtering amplification circuit and the A/D conversion module and inputs acquired signals to the central processing unit; the central processing unit is respectively connected with the alarm module and the emergency trigger unit so that the alarm module sends out an alarm signal to start the sound alarm when the central processing unit judges that the heart rate data of the wearing person is suddenly changed or the gradual change range exceeds the normal heart rate range, and the emergency trigger unit is triggered to work.
2. The electric shock emergency safety protection bracelet of claim 1, wherein: the signal acquisition module adopts an SC0073 pulse sensor.
3. The electric shock emergency safety protection bracelet of claim 1, wherein: the central processing unit is also connected with a GPS positioning module, a wireless module and a display module.
4. The electric shock emergency safety protection bracelet of claim 1, wherein: emergent trigger unit is including establishing the gas holder in the bracelet main part, concatenating the solenoid valve on gas holder output pipeline and connecting the gasbag at gas holder output pipeline export, the control end of solenoid valve is connected on power supply with the silicon controlled rectifier, the control pole of silicon controlled rectifier is connected in central processing unit.
5. The electric shock emergency safety protection bracelet of claim 4, wherein: the bracelet main part is established in the casing, and it has the cap to articulate on the casing, the gasbag is established under the cap.
6. The working method of the electric shock emergency safety protection bracelet of claim 1, comprising the following steps:
step S1, turning on the power supply of the intelligent bracelet, initializing the system, collecting heart rate data by the collecting module through the SC0073 pulse sensor, and processing the collected signals by the signal collecting module accessing the filter amplifying circuit;
step S2: presetting data for 20s, after 20s, enabling the system to enter a normal real-time monitoring mode, transmitting acquired and processed heart rate data to a central processing unit by a signal acquisition module to serve as input data of a neural network analysis module arranged in the central processing unit, processing the data by the neural network analysis module, and judging whether the heart rate is in a normal range or not;
step S3: if the person heart rate data is suddenly changed or the gradual change range exceeds the normal heart rate range, the central processing unit judges, the alarm module sends out an alarm signal to start the sound alarm, and the emergency trigger unit is triggered to work.
7. The working method of the electric shock emergency safety protection bracelet of claim 6, wherein: the central processing unit is also connected with a GPS positioning module, a wireless module and a display module, and when the heart rate data of the wearing person changes suddenly or the gradual change range exceeds the normal heart rate range, the central processing unit also sends alarm information and personnel positioning information to the background monitoring terminal through the wireless module.
8. The working method of the electric shock emergency safety protection bracelet of claim 6, wherein: the judgment basis of the neural network analysis module of the central processing unit comprises that heart rate data is taken as the basis, and if the heart rate data is in a normal range, the system only displays instantaneous heart rate data and average heart rate data within 1min on a display screen; if the gradual change range exceeds the normal heart rate range by 10%, judging that the physical condition of the personnel is abnormal, outputting an alarm signal and triggering an emergency trigger unit to work; the heart rate change rate is used as a basis, if the heart rate data changes suddenly and the heart rate change rate exceeds a set value, the system immediately judges that the system is abnormal, and outputs a high-level trigger alarm signal and triggers the emergency trigger unit to work.
9. The working method of the electric shock emergency safety protection bracelet of claim 7, wherein: the neural network training data is specifically that the average value of the collected heart rate data is obtained within the preset time of the system
(times/min), so that the normal heart rate value of the subject ranges from
The training data matrix is selected as
10. The working method of the electric shock emergency safety protection bracelet of claim 9, wherein: the built-in neural network analysis module of the central processing unit is specifically constructed by the steps that an input node is 5, the neural network is 4 layers, and an activation function is selected
The function, network weight parameter W, learning rate alpha is 0.8, the weight is updated by gradient descent method, and error ek＝(tk-ok)2T is the target value, o is the output value,through the simplified calculation, the method has the advantages that,and obtaining a weight updating formula, thereby obtaining a weight coefficient matrix W of the neural network and obtaining a neural network analysis module.
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| CN113951618B (en) * | 2021-12-01 | 2024-05-24 | 国网山东省电力公司昌乐县供电公司 | Electric shock separating bracelet |
| CN114623583A (en) * | 2022-02-28 | 2022-06-14 | 青岛海尔空调器有限总公司 | Safety auxiliary control method and device for mine air conditioner and air conditioner |
| CN114623583B (en) * | 2022-02-28 | 2023-12-15 | 青岛海尔空调器有限总公司 | Safety auxiliary control method and device for mine air conditioner and air conditioner |
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