CN114463935B - Warning method and warning system - Google Patents
Warning method and warning system Download PDFInfo
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- CN114463935B CN114463935B CN202210115789.XA CN202210115789A CN114463935B CN 114463935 B CN114463935 B CN 114463935B CN 202210115789 A CN202210115789 A CN 202210115789A CN 114463935 B CN114463935 B CN 114463935B
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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
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0261—System arrangements wherein the object is to detect trespassing over a fixed physical boundary, e.g. the end of a garden
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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
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0236—Threshold setting
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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
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0266—System arrangements wherein the object is to detect the exact distance between parent and child or surveyor and item
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The embodiment of the invention relates to the technical field of dangerous area warning, and discloses a warning method and a warning system, which are used for warning staff in a factory, wherein the working area of the factory comprises the following components: the safety buffer area is arranged at the periphery of the dangerous area; the safety buffer area is separated from the dangerous area by an inner warning line; the working area is provided with a warning system; the method comprises the following steps: the warning system detects the position information of the staff; when the warning system detects that the staff is in a safe buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value, a touch warning signal is generated; the technical scheme is used for solving the problems that the dangerous area warning mode in the prior art is easy to be ignored by staff, so that the staff enters the dangerous area in the factory, the personal and property of the staff are easy to be damaged accidentally, and adverse effects are brought to production and manufacture.
Description
Technical Field
The embodiment of the invention relates to the technical field of dangerous area warning, in particular to a warning method and a warning system.
Background
At present, safety protection and warning devices in manufacturing factories mainly rely on audible/visual reminding such as images, sound and light, and the like, are mainly concentrated on environments and equipment around workers, such as sidewalks, warning flash lamps on AGVs, warning lines in front of punching machine tools and the like, and can only play a passive warning role with limited functions. In a noisy and confusing manufacturing site, workers can bring risk of accidental injury if neglecting the graphics, audible and visual reminding, or intentionally forcefully entering a dangerous area by violation, and can bring adverse effects to production and manufacturing.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide a warning method and a warning system, which are used to solve the problem in the prior art that a dangerous area warning mode is easily ignored by a worker, so that the worker enters a dangerous area to cause the risk of accidental injury to the personnel and property of the worker, and the adverse effect is brought to production and manufacture.
According to an aspect of the embodiment of the present invention, there is provided a warning method for warning staff in a factory, where a working area of the factory includes: the safety buffer area is arranged at the periphery of the dangerous area; the safety buffer area is separated from the dangerous area by an inner warning line; the working area is provided with a warning system; the method comprises the following steps:
the warning system detects the position information of the staff;
when the warning system detects that the staff is in a safe buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value, a touch warning signal is generated;
the warning system outputs the touch warning signal so as to send warning information to the staff.
In an alternative way, the warning system includes: the laser positioning device is arranged in the working area, and the laser positioning device is worn on the body of the worker; or alternatively, the first and second heat exchangers may be,
the warning system comprises: the camera positioning device is arranged in the working area, and the tactile signal output device is worn on the body of the worker; or alternatively, the first and second heat exchangers may be,
the warning system comprises: and the magnetic force adsorption warning device is worn on the body of the staff.
In an alternative manner, the haptic alert signal includes: magnetic adsorption signals; when the warning system comprises the magnetic force adsorption warning device, the magnetic force adsorption warning device specifically comprises: magnetic force adsorbs the safety shoes.
In an optional manner, when the positioning device includes the magnetic attraction safety shoe, the warning system outputs the tactile warning signal to send warning information to the staff member, and specifically includes:
the magnetic force adsorption safety shoe outputs the magnetic force adsorption signal so as to prevent the staff from entering the dangerous area.
In an alternative manner, the magnetic attraction safety shoe outputs the magnetic attraction signal to prevent the worker from entering the dangerous area, and specifically includes:
if the distance between the staff and the inner warning line is smaller, the magnetic force adsorption signal output by the magnetic force adsorption safety shoe is stronger.
It can be seen that the intensity of the magnetic force adsorption signal is changed through the change of the distance between the staff and the inner guard line, so that the closer the staff is to the inner guard line, the stronger the magnetic force is, and finally, before the staff crosses the inner guard line, the strength of the staff is insufficient to overcome the magnetic force, so that the staff stops, and meanwhile, if the staff is in a safety area and wants to exit, the lower the magnetic force is when the staff is far away from the inner guard line, so that the staff can be independently far away from a dangerous area.
In an alternative manner, the haptic alert signal further comprises: a vibration signal or a weak current signal; the warning system further comprises: a wearable vest; the warning system outputs the touch warning signal to send warning information to the staff, and specifically comprises:
the wearable vest outputs the vibration signal or the weak current signal to send out warning information to the staff.
In an alternative manner, when the warning system includes the magnetic attraction warning device, the ground of the safety buffer area is a magnetic wire or a metal wire.
In an alternative manner, the working area further includes: set up in the peripheral outer guard line of safe buffer area, warning system still includes: a passive warning device; when the distance between the staff and the external warning line is smaller than a preset second threshold value, the passive warning device also generates a passive warning signal and outputs the passive warning signal; the passive warning signal includes: sound signals or image signals.
In an alternative manner, when the warning system includes the magnetic attraction warning device, the inner warning line or the outer warning line is a metal wire or a magnetic wire.
It can be seen that when the warning system is positioned, when workers wearing the magnetic adsorption warning device enter the safety area, the magnetic induction lines in the safety buffer area change, so that the positioning of the workers is realized.
According to another aspect of the embodiment of the present invention, there is provided a warning system for warning workers in a factory, wherein a working area of the factory includes: the safety buffer area is arranged at the periphery of the dangerous area; the safety buffer area is separated from the dangerous area by an inner warning line; the warning system comprises:
the positioning unit is used for detecting the position information of the staff;
the signal generation unit is used for generating a touch warning signal when the positioning unit detects that the staff is in a safety buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value;
and the output unit is used for outputting the touch warning signal generated by the signal generation unit so as to send warning information to the staff.
According to the embodiment of the invention, the safe buffer area is divided outside the dangerous area, the safe buffer area and the dangerous area are separated by the inner warning line, the warning system is arranged in the working area, meanwhile, the position information of the staff in the working area is detected by the warning system, and different signals are respectively sent out according to the inner part and the outer part of the safe buffer area. Specifically, when the fact that the staff is in the safe buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value is detected, a touch warning signal is generated and output to the staff, and the purpose of sending warning information to the staff is achieved. Therefore, the warning method can isolate the dangerous area, so that when a worker approaches the dangerous area, the warning system outputs warning information, thereby reminding or stopping the worker from entering the dangerous area, avoiding the problem that the personal and property safety is damaged due to the fact that the worker mistakenly enters the dangerous area.
The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and may be implemented according to the content of the specification, so that the technical means of the embodiments of the present invention can be more clearly understood, and the following specific embodiments of the present invention are given for clarity and understanding.
Drawings
The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic flow chart of a first embodiment of an alert method according to the present invention;
FIG. 2 is a schematic diagram illustrating the division of a safety buffer area according to the warning method of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of an alarm system according to the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
Before describing the method in detail, it is first necessary to divide the area within the plant, as shown in fig. 2. The areas within the plant include hazardous areas, safe buffer areas, and safe areas. The dividing method specifically comprises the following steps: the location of the hazardous area is first determined. In this embodiment, the dangerous area refers to a station or an installation position of equipment with a high dangerous coefficient in a factory, and an inner guard line is firstly defined at the periphery of the dangerous area, and separates the dangerous area from a safety buffer area. An outer guard line is arranged on the outer side of the inner guard line, and a region between the inner guard line and the outer guard line is a safety buffer region. Wherein the distance between the inner and outer guard lines is preferably 1 meter, which has the advantage that a worker can be prevented from crossing the safety buffer area one step.
The following describes the warning method and system according to the embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, a flowchart of a first embodiment of an alert method according to the present invention may be implemented by an alert system. The method is used for warning staff in a factory, and a warning system is arranged in a working area; the warning method specifically comprises the following steps:
step 110, detecting position information of the staff by a warning system;
it should be noted that, the main functions of the warning system are: and positioning the staff, and sending out a touch warning signal by the warning system when the position information of the staff meets the preset condition. The warning system is formed in various ways, and the following description will be given respectively:
the first way is: the warning system comprises: the laser positioning device is arranged in the working area and the laser positioning equipment is worn on the worker;
in a second mode, the warning system includes: the camera positioning device is arranged in the working area, and the tactile signal output device is worn on the body of the worker;
in a third mode, the warning system includes: and the magnetic force adsorption warning device is worn on the body of the staff.
In a first way, it is possible in particular to arrange a laser reflection device (laser positioning means) at the corner of the safety buffer area and to arrange the laser positioning device on the staff. When the warning system is used for positioning, workers enter the safe buffer area, and positioning of workers can be achieved through mutual matching of the laser reflection equipment and the laser positioning equipment. The laser positioning device can be arranged on safety shoes of workers and also can be arranged on a wearable back core.
In a second way, it is possible to arrange cameras in the corners of the safety buffer area and to provide tactile signal output devices on the staff. When the warning system is positioned, the camera acquires image information in the safety buffer area and recognizes the safety area by using a graphic image recognition algorithm so as to position workers entering the safety buffer area. The tactile signal output device arranged on the body of the staff can be arranged on the wearable back core or the safety shoes of the staff.
In the third mode, a magnetic wire or a metal wire can be laid on the ground of the safety buffer area, and the inner guard line and the outer guard line are selected from the metal wire or the magnetic wire. Like this, warning system is when carrying out the location, when wearing magnetic force absorption warning device staff and get into the safe region in, the magnetic induction line in the safe buffer area changes to the realization can be to the location of staff.
Step 120, when the warning system detects that the staff is in the safe buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value, a touch warning signal is generated;
after the warning system detects that the worker enters the safety buffer area in step 110, the distance between the worker and the inner warning line is further determined. If the staff member is relatively far away from the inner warning line, the staff member is relatively safe at the moment, and a tactile warning signal is not required to be sent out. When the distance between the staff and the inner warning line is smaller than the specific distance, the staff is considered to be in a dangerous state at the moment, and a touch warning signal needs to be sent out. The touch warning signal is an active warning signal, and is not easy to be ignored by workers compared with the traditional acousto-optic or graphic signal.
Specifically, the haptic alert signal may include: at least one of a vibration signal, a weak current signal, or a magnetic attraction signal. The specific type of haptic alert signal output by the alert system depends on the specific configuration of the alert system.
For example, when the warning system is configured in the first mode described above, that is, when the warning system includes the laser positioning device provided in the work area and the laser positioning device worn on the worker, the laser positioning device may be used as the signal output device, and the vibration signal and/or the weak current signal may be output. When the warning system is configured in the aforementioned second mode, the tactile signal output device may be a safety shoe or a wearable vest, outputting a vibration signal and/or a weak current signal. When the warning system is configured in the third mode, the output haptic warning signal may be a magnetic attraction signal. In the three modes, the output vibration signal, the weak current signal or the magnetic adsorption signal directly acts on the body of the staff, namely, the active warning information is sent to the staff, and compared with the traditional passive warning information (audible and visual warning information), the device has the advantage that the vibration signal, the weak current signal or the magnetic adsorption signal cannot be ignored by the staff even in a noisy and chaotic environment.
According to the embodiment of the invention, the safety buffer area is defined outside the dangerous area, the safety buffer area is separated from the dangerous area through the inner warning line, the position information of the staff is detected through the warning system, and when the staff enters the safety buffer area and the distance between the staff and the inner warning line meets the preset condition, a corresponding touch warning signal is sent to the staff, and the touch warning signal directly acts on the body of the staff. That is, the embodiment of the invention sends the active warning information to the staff, and has the advantage that the active warning information cannot be ignored by the staff even in a noisy and chaotic environment compared with the traditional passive warning information (audible and visual warning information).
By the warning method, the dangerous area can be isolated, and the warning system outputs touch warning information when a worker approaches the dangerous area, so that the worker is reminded or prevented from entering the dangerous area, and the problem that personal and property safety is damaged due to the fact that the worker enters the dangerous area by mistake is avoided.
It should be noted that, in an optimized embodiment, the warning system may specifically include: magnetic force adsorption warning device worn on staff, for example, magnetic force adsorption safety shoes worn on feet of workers. Correspondingly, the touch warning signal at this time is specifically a magnetic attraction signal, and the ground of the safety buffer area is a magnetic wire or a metal wire.
At this time, when the magnetic force adsorption warning device detects that the staff enters the safe buffer area and the distance between the staff and the inner warning line is smaller than a preset threshold value, the magnetic force adsorption warning device sends out a magnetic force adsorption signal at this time, and the staff is adsorbed in the safe buffer area, so that the aim of preventing the staff from entering the dangerous area is fulfilled. It can be understood that the magnetic force adsorption warning device can adjust the intensity of the output magnetic force adsorption signal according to the distance between the staff and the inner warning line, and if the staff is closer to the inner warning line, the output magnetic force adsorption signal is stronger.
In a specific embodiment, the magnetic attraction warning device may be a magnetic attraction safety shoe. The magnetic force adsorbs safe shoes specifically can include: the device comprises an identification module, a solenoid module and a power module. The power module is used for supplying power to the identification module and the battery coil module. The identification module is used for detecting the position information of the staff; and the electromagnetic coil module is used for generating a magnetic force adsorption signal and outputting the magnetic force adsorption signal when the recognition module detects that the staff is in the safety buffer area and the distance between the recognition module and the inner warning line is smaller than a preset first threshold value, and adsorbing the staff in the safety buffer area by utilizing the magnetic force so as to achieve the purpose of preventing the staff from entering the dangerous area.
When working logic of the safety shoe is designed, the strength of the magnetic force adsorption signal output by the safety shoe can be adjusted according to the distance between the staff and the inner warning line. For example, the smaller the distance between the worker and the inner warning line, the stronger the magnetic force adsorption signal output by the magnetic force adsorption safety shoe. The advantage of doing so is that through the change of the distance between staff and the interior guard line and changing the intensity of magnetic force adsorption signal, make the staff be close to the interior guard line more, the magnetic force is stronger, finally before crossing the interior guard line, the staff's strength is insufficient to overcome the magnetic force to make the staff stop, if the staff is in the safe region, when wanting to withdraw from, keep away from interior guard line then the magnetic force is weaker more, makes the staff can independent keep away from dangerous area.
In addition, when the structure of the safety shoe is specifically designed, the electromagnetic coil module can be located at the heel position of the magnetic attraction safety shoe, the identification module can be located at the toe position of the magnetic attraction safety shoe, and the power supply module can be located at the middle of the magnetic attraction safety shoe. The purpose of doing so is that the electromagnetic coil module is arranged at the position of the heel, and even if the magnetic force is increased, the staff can only be unable to lift the feet, so that the situation of falling can be avoided.
It is understood that the warning system may further include, in addition to the magnetic attraction warning device: a wearable vest; the wearable vest can synchronously output vibration signals or weak current signals when the magnetic adsorption warning device outputs magnetic adsorption signals so as to send warning information to staff. When the design is beneficial, the purpose of double prompting of the staff can be achieved by outputting the magnetic adsorption signal and the vibration signal or the weak current signal, and the personal safety of the staff is further ensured.
The second point to be noted is that the warning system may include a passive warning device in addition to the first, second or third type of output tactile warning signal device. The passive warning device can be used for generating and outputting a passive warning signal when the distance between the staff and the external warning line is detected to be smaller than a preset second threshold value. The passive warning signal includes: the device for sending out the sound signal or the image signal is an audible and visual alarm device and an image monitoring alarm device. The audible and visual alarm device can be a warning lamp and a buzzer, and is arranged around the outer warning line. When the distance between the staff and the external warning line is smaller than a preset second threshold value, the warning lamp and the buzzer send out audible and visual warning signals, audible and visual warning information is sent out to the staff, passive warning and early warning can be sent out to the staff by the audible and visual warning information, the staff is reminded to enter a dangerous area, and the staff is prevented from entering the safe buffer area by mistake under the condition of carelessness.
The warning system comprises visual and audible warning which utilizes lamplight and a buzzer to prompt, and can prompt workers through visual/audible passive warning means when workers do not enter a safe buffer area; after the workers enter the safe buffer area, the workers which ignore visual/audible alarms and enter the safe buffer area can be effectively retained in the safe buffer area by sending out active intervention means such as touch alarm signals, so that accidents caused by the workers entering the dangerous area are actively prevented, and production work is influenced.
Fig. 3 shows an alert system of the present invention. For alerting personnel within a plant, a work area of the plant comprising: the safety buffer area is arranged at the periphery of the dangerous area; the safety buffer area is separated from the dangerous area by an inner warning line; the warning system 500 includes:
a positioning unit 510, configured to detect position information of the staff member;
the signal generating unit 520 is configured to generate a tactile alert signal when the positioning unit detects that the worker is in a safety buffer area and a distance between the worker and the inner warning line is less than a preset first threshold;
an output unit 530, configured to output the tactile alert signal generated by the signal generating unit, so as to send alert information to the staff member:
in an alternative manner, the signal generating unit 520 includes: magnetic adsorption signals; when the warning system comprises the magnetic force adsorption warning device, the magnetic force adsorption warning device specifically comprises: magnetic force adsorbs the safety shoes.
In an alternative manner, when the positioning unit 510 includes the magnetically attractable safety shoe, the warning system outputs the tactile warning signal to send warning information to the staff member, and specifically includes:
the magnetic force adsorption safety shoe outputs the magnetic force adsorption signal so as to prevent the staff from entering the dangerous area.
In an alternative manner, the magnetic attraction safety shoe outputs the magnetic attraction signal to prevent the worker from entering the dangerous area, and specifically includes:
if the distance between the staff and the inner warning line is smaller, the magnetic force adsorption signal output by the magnetic force adsorption safety shoe is stronger.
It can be seen that the distance between the staff and the inner warning line changes to change the strength of the magnetic force adsorption signal, so that the closer the staff is to the inner warning line, the stronger the magnetic force is, and finally the force of the staff is insufficient to overcome the magnetic force before crossing the inner warning line, so that the staff stops, and meanwhile, if the staff is in the safe buffer area and wants to exit, the power supply of the magnetic force adsorption warning device is remotely disconnected, the worker moves back to the outside of the warning line, and the staff can be independently far away from the dangerous area.
In an alternative manner, the signal generating unit 520 further includes: a vibration signal or a weak current signal; the warning system further comprises: a wearable vest; the warning system outputs the touch warning signal to send warning information to the staff, and specifically comprises:
the wearable vest outputs the vibration signal or the weak current signal to send out warning information to the staff.
In an alternative way, the ground of the safety buffer zone is a magnetic wire or a metal wire.
In an alternative manner, the working area further includes: set up in the peripheral outer guard line of safe buffer area, warning system still includes: a passive warning device; when the distance between the staff and the external warning line is smaller than a preset second threshold value, the passive warning device also generates a passive warning signal and outputs the passive warning signal; the passive warning signal includes: sound signals or image signals.
In an alternative manner, when the positioning unit 510 includes the magnetic attraction warning device, the inner warning line or the outer warning line is a metal wire or a magnetic wire.
It can be seen that when the system is positioned, when workers wearing the magnetic adsorption warning device enter the safety area, the magnetic induction lines in the safety buffer area change, so that the positioning of the workers is realized.
Through the warning system, dangerous areas can be isolated, and when workers approach the dangerous areas or enter the dangerous areas, the warning system outputs warning information, so that the workers are reminded or prevented from entering the dangerous areas, the problem that personal and property safety is damaged due to the fact that the workers enter the dangerous areas by mistake is avoided, compared with the existing similar patent, the warning system only utilizes passive methods such as light and sound prompt, active and forced intervention means can limit workers in safe buffer areas, workers are prevented from entering the dangerous areas due to the fact that the workers ignore sound and light warning caused by noisy sound and light environments in factories, meanwhile, the workers with light safety consciousness are prevented from being intentionally close to the dangerous areas, and the production is guaranteed.
The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. In addition, embodiments of the present invention are not directed to any particular programming language.
In the description provided herein, numerous specific details are set forth. It will be appreciated, however, that embodiments of the invention may be practiced without such specific details. Similarly, in the above description of exemplary embodiments of the invention, various features of embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. Wherein the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Except that at least some of such features and/or processes or elements are mutually exclusive.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specifically stated.
Claims (6)
1. A method for alerting personnel within a plant, the plant's work area comprising: the safety buffer area is arranged at the periphery of the dangerous area; the safety buffer area is separated from the dangerous area by an inner warning line; the working area is provided with a warning system; the method comprises the following steps:
the warning system detects the position information of the staff;
when the warning system detects that the staff is in a safe buffer area and the distance between the staff and the inner warning line is smaller than a preset first threshold value, a touch warning signal is generated; the haptic alert signal includes: magnetic adsorption signals;
the warning system outputs the touch warning signal so as to send warning information to the staff;
the warning system comprises: the magnetic force adsorption warning device is worn on the body of the staff;
the magnetic adsorption warning device specifically comprises: magnetic force adsorption safety shoes;
the magnetic force adsorption safety shoe outputs the magnetic force adsorption signal so as to prevent the staff from entering the dangerous area.
2. The warning method of claim 1, wherein the magnetically attractable safety shoe outputs the magnetically attractable signal to prevent the worker from entering the hazardous area, comprising:
if the distance between the staff and the inner warning line is smaller, the magnetic force adsorption signal output by the magnetic force adsorption safety shoe is stronger.
3. The warning method of claim 1 or 2 wherein the haptic warning signal further comprises: a vibration signal or a weak current signal; the warning system further comprises: a wearable vest; the warning system outputs the touch warning signal to send warning information to the staff, and specifically comprises:
the wearable vest outputs the vibration signal or the weak current signal to send out warning information to the staff.
4. The warning method according to claim 1 or 2, characterized in that the ground of the safety buffer area is a magnetic wire or a metal wire.
5. The warning method according to claim 1 or 2 wherein the working area further comprises: set up in the peripheral outer guard line of safe buffer area, warning system still includes: a passive warning device; when the distance between the staff and the external warning line is smaller than a preset second threshold value, the passive warning device also generates a passive warning signal and outputs the passive warning signal; the passive warning signal includes: sound signals or image signals.
6. The warning method of claim 5 wherein when the warning system includes the magnetically attracted warning device, the inner warning line and the outer warning line are metal wires or magnetic wires.
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