CN109637096A - Key post personnel leave the post early warning system - Google Patents
Key post personnel leave the post early warning system Download PDFInfo
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- CN109637096A CN109637096A CN201910018781.XA CN201910018781A CN109637096A CN 109637096 A CN109637096 A CN 109637096A CN 201910018781 A CN201910018781 A CN 201910018781A CN 109637096 A CN109637096 A CN 109637096A
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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
- G08B21/18—Status alarms
- G08B21/22—Status alarms responsive to presence or absence of persons
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Abstract
The present invention provides a kind of key post personnel and leaves the post early warning system, for the indoor personnel that supervise work, at work whether interior violate the rules leaves work position, it is characterized in that, it include: microwave radar device, it is arranged on the operating room top surface above the operating position of personnel, for carrying out detection to preset detection area by microwave radar to judge whether personnel move；Image pick-up detection device is arranged on operating room's metope at the operating position rear of personnel, for whether moving or carrying out limb action by the picture Determination personnel of monitor video；Alarm device has audio alarm unit, light alarm unit and reset button unit for carrying out alarm；And control system, for judging the situation on duty of personnel and controlling alarm device, wherein there is control system pre-warning time storage unit, mobile message to judge that generating unit, movement judge timing unit and alarm control portion.
Description
Technical field
It leaves the post early warning system the present invention relates to a kind of key post personnel.
Background technique
It is between requiring at work using restaurant unit kitchen and high-voltage electricity distribution duty room as the important process post of representative
There must be staff whole on duty on duty, handle working condition at any time.
For example, the kitchen of restaurant unit is the raw place of fire-prone, its main feature is that high temperature and humidity, bad environments intensively make
Food cooking and processing are used for combustion gas and high-power electric appliance.Wherein the power and unit calorific value of combustion gas and high-power electric appliance are all bright
It is aobvious to be higher than normal domestic use utensil, the risk with height, once occur that significant impact and serious adverse consequences will be generated.According to having
Close catering industry association and fire department statistics, the generation of the kitchen Room in Fire of restaurant unit, 90% or more situation be because
When carrying out fried cooking operation using oil cauldron, because operator violates operating provision, arrogate to oneself in the case where being not turned off fire source
From work position is left, cooking oil is caused to be boiled；Fire source ignite edible oil boiling steam, cause oil cauldron on fire；Later
Under the powerful suction of air draft stove, flame is inhaled into the exhaust system on kitchen range top, and further ignite exhaust system
The lampblack dirty of interior accumulation causes catching fire in flue, generates serious safety consequence and severe social influence.
In existing technology in personnel's detection system on duty, post whether can be left to staff and detected, from
And alarm is carried out when staff leaves.But these technologies carry out nap rest in staff when on duty, see the mobile phone
Etc. the work that causes cannot to concentrate thing when, since " on duty " of staff causes detection to be failed, still there is further production
A possibility that raw dangerous.
Summary of the invention
It leaves the post early warning system to solve the above problems, providing a kind of key post personnel, present invention employs following technologies
Scheme:
Leave the post early warning system the present invention provides a kind of key post personnel, for supervise work indoor personnel whether
It violates the rules in working time and leaves work position characterized by comprising microwave radar device is arranged in the personnel's
On operating room top surface above operating position, for carrying out detection to preset detection area by microwave radar to judge institute
State whether personnel move；Image pick-up detection device is arranged on operating room's metope at the operating position rear of the personnel, for leading to
Cross whether personnel described in the picture Determination of monitor video move or carry out limb action；Alarm device, for carrying out alarm,
With audio alarm unit, light alarm unit and reset button unit；And control system, with the microwave radar device,
The image pick-up detection device and the alarm device are connected, for judging the situation on duty of the personnel and to the alarm
Device is controlled, wherein there is the control system pre-warning time storage unit, mobile message to judge generating unit, mobile judgement
Timing unit and alarm control portion, pre-warning time storage unit be stored with preset first pre-warning time and the second pre-warning time with
And third pre-warning time, the microwave radar device judge whether the personnel move and obtain microwave detection information, it is described to take the photograph
Whether move as detection device detects the personnel or carry out limb action and obtain camera detection information, the mobile message
Judge that generating unit is judged and generated personnel's mobile message according to the microwave detection information and the camera detection information,
The movement judges that timing unit judges that the personnel do not carry out mobile duration according to the human motion information, when described
When movement judges that timing unit judges that the personnel do not move in the time span of first pre-warning time, then alarm
The control unit control smooth alarm unit carries out alarm, and when the movement judges timing unit in second pre-warning time
Between judge that the smooth alarm unit is controlled when the personnel move sounds all clear in length, when the movement judges timing unit
When judging that the personnel do not move in the time span of second pre-warning time, then described in the control of alarm control portion
Audio alarm unit and the smooth alarm unit carry out alarm simultaneously, and judge that timing unit is pre- in the third in the movement
Judge that the smooth alarm unit is controlled when the personnel move sounds all clear in the time span of alert time, further in institute
The personnel of stating control the audio alarm unit and sound all clear when pressing the reset button unit, when the movement judges timing unit
When judging that the personnel do not move in the time span of the third pre-warning time, then described in the control of alarm control portion
Audio alarm unit and the smooth alarm unit carry out alarm simultaneously, and when the personnel press the reset button unit
It controls the audio alarm unit and the smooth alarm unit is sounded all clear.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, further includes:
At least one valve control device is arranged on equipment power supply or conveyance conduit, for controlling the equipment power supply or institute
State the switch of the controlled valve of conveyance conduit, wherein when the movement judges that timing unit judges that the personnel are pre- in the third
When all not moved in the time span of alert time, alarm control portion then controls the audio alarm unit and the light is alert
Declaration form member carries out alarm simultaneously, and controls the valve control device and close the equipment power supply and the conveyance conduit.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein institute
Stating valve control device also has the switch unit whether opened for detecting valve, and the control system further includes starting control
Portion, when the switch detection unit detects that the valve is opened, the starting control unit controls the microwave radar device
And image pick-up detection device starting detection.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein when
It is alert when the movement judges that timing unit judges that the personnel do not move in the time span of the third pre-warning time
Report control unit then controls the audio alarm unit and the smooth alarm unit while carrying out alarm, and it is alert to control the sound
The volume of declaration form member raising audio alarm.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein institute
Stating image pick-up detection device includes: camera unit, for being recorded a video and generating monitor video；Video contrast judgement unit, is used for
The video frame of the monitor video is compared in real time to judge whether the human body of the personnel moves or carry out limbs
Movement；And camera detection information generating unit, it is imaged for being generated according to the judging result of the video contrast judgement unit
Detection information.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein institute
Stating microwave radar device includes: radar detection unit, for carrying out microwave detection to the detection area to judge the people
Whether member moves；And microwave detection information generation unit, it is micro- for being generated according to the judging result of the radar detection unit
Wave detection information.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein institute
The time span for stating third pre-warning time is greater than the time span of second pre-warning time, the time of second pre-warning time
Length is greater than the time span of first pre-warning time.
Key post personnel provided by the invention leave the post early warning system, can also have such technical characteristic, wherein institute
Stating control system also has System self-test portion, the System self-test portion to the microwave radar device, the photographic device and
The alarm device sends a confirmation signal respectively, thus judge whether each device is offline according to corresponding return signal,
When the System self-test portion, judgement does not have device offline, the microwave radar device judges whether the personnel move and obtain
Microwave detection information, the image pick-up detection device detect whether the personnel move or carry out limb action and obtain camera shooting inspection
Measurement information.
Invention action and effect
Key post personnel according to the present invention leave the post early warning system, due to microwave radar device and camera detection
Device can detect the situation of movement of personnel, thus judge key post personnel whether at work between leave the post；Together
When, it is contemplated that personnel at work, are carrying out always limb motion, and body gesture is changing at any time, and image pick-up detection device is not only
Can the personnel of supervising work cannot leave the post without authorization, additionally it is possible to differentiate that staff exists though whether changing by monitoring body gesture
Hilllock but the in short-term constant state of body gestures such as nap, analyze the case where it does not enter into working condition；Further, due to tool
There are warning device and control system, sound-light alarm is left the post or do not carried out in working condition in staff to play
To remind staff to return to the effect of operating position resumption of service in time.Under extreme case, control system can also be driven
Movable valve control device directly cuts off the supply such as combustion gas, power supply, avoids equipment from occurring in the case where unattended unexpected, reaches
The effect of safeguard protection.
Detailed description of the invention
Fig. 1 be in the embodiment of the present invention key post personnel leave the post early warning system kitchen layout；
Fig. 2 is the structural block diagram of control system in the embodiment of the present invention；And
Fig. 3 is the flow chart of detection alarm process in the embodiment of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Examples and drawings are closed to be specifically addressed key post personnel of the invention early warning system of leaving the post.
<embodiment>
Fig. 1 be in the embodiment of the present invention key post personnel leave the post early warning system kitchen layout.
As shown in Figure 1, key post personnel leave the post early warning system 100 include microwave radar device 1, image pick-up detection device 2,
Alarm device 3, valve control device 4 and control system 5.
Microwave radar device 1 is used to carry out detection to preset detection area by microwave radar to whether judge personnel
It is mobile, there is radar detection unit and microwave detection information generating unit.
Radar detection unit can carry out microwave detection to detection area to judge whether personnel move.
In the present embodiment, radar detection unit is that two routines being arranged in operating room at the top of the top of working region are micro-
Wave radar can be realized the precise measurement to human body displacement information.
Microwave detection information generation unit can generate microwave detection information according to the judging result of radar detection unit.
In the present embodiment, microwave detection information is whether human body carries out mobile judgement information.
Whether image pick-up detection device 2 is used to move by the picture Determination personnel of monitor video, have camera unit,
Video contrast judgement unit and camera detection information generation unit.
Camera unit is able to carry out video recording and generates monitor video.
In the present embodiment, camera unit is the routine on operating room's metope at an operating position rear that personnel are arranged in
Monitoring camera, can be to entire working region the case where, carry out video shooting.
Video contrast judgement unit can in real time be compared the video frame of monitor video to judge the human body of personnel
Whether move or carry out limb action.
In the present embodiment, video contrast judgement unit identifies the human body of personnel in monitor video, further passes through
The variation of each video frame personnel image is compared to judge whether the human body of personnel moves or carry out limb action.
Camera detection information generating unit can generate camera detection letter according to the judging result of video contrast judgement unit
Breath.
In the present embodiment, camera detection information is the judgement information whether human body was moved or carried out limb action.
In the present embodiment, video contrast judgement unit and camera detection information generating unit are arranged in image pick-up detection device
In 2 included computing units.In other embodiments, video contrast judgement unit and camera detection information generating unit can also
To be arranged in control system 5, at this point, the monitor video that camera unit is recorded directly is sent to control by image pick-up detection device 2
System 5, control system 5 are compared the video frame of monitor video to judge whether personnel move or carry out limbs and move again
Make.
Alarm device 3 has audio alarm unit, light alarm unit and reset button list for carrying out alarm and reminding
Member.
Audio alarm unit is for providing the sound such as buzzer for reminding staff to leave the post.
Light alarm unit reminds staff by alarm light.
In the present embodiment, alarm device 3 is conventional acoustooptic alarm, audio alarm unit and light alarm unit difference
Control signal is received by the acoustic alarm signal line and visual alarm line of acoustooptic alarm.
In the present embodiment, alarm device 3 is arranged on the metope of entrance side of operating room.In other embodiments, alert
Other places for allowing personnel easily to see and easily hear can also be arranged in reporting device 3.
Reset button unit is the reset button that metope is arranged in, for allowing the alarm of human contact's alarm device 3.
Valve control device 4 is arranged on equipment power supply or conveyance conduit, for controlling equipment power supply or delivery pipe
The switch of the controlled valve in road.
In the present embodiment, valve control device 4 is that spiral arm is mechanical, is arranged on the burnt gas valve of kitchen fuel gas pipeline, energy
Enough closings completed according to shutdown signal to burnt gas valve.
In other embodiments, valve control device 4 is additionally arranged at other dangerous equipment power supplys of tool or conveying
On pipeline (such as power circuit of high-tension distribution chamber of converting), valve control device 4 can also be solenoid valve, electromagnetic switch etc. according to letter
Number complete controlled valve close control device.
Valve control device 4 also has switch unit, for detecting whether valve is opened.
In the present embodiment, switch unit can export for valve information transmitter, magnetic switch, infrared sensor switch etc.
The device of switching value just correspondingly sends a starting letter when switch unit passes through the switch of sensor sensing burnt gas valve
Number or sleep signal to control system 5, further allow control system 5 to be started accordingly or suspend mode.
In the present embodiment, valve control device 4 is when completing the closing to burnt gas valve according to shutdown signal, also to combustion gas
Valve is locked, and reset button unit is also connected with valve control device 4, after reset button unit is pressed, valve
Controlling device for doors 4 just releases locked.
Fig. 2 is the structural block diagram of control system in the embodiment of the present invention.
As shown in Fig. 2, control system 5 includes pre-warning time storage unit 51, starting control unit 52, System self-test portion 53, moves
Dynamic information judges that generating unit 54, movement judge timing unit 55, alarm control portion 56, system side communication unit 57 and system side control
Portion 58.
Wherein, system side communication unit 57 be used to carry out between each composition part of control system 5 and control system 5 with
Data exchange between other devices, system side control unit 58 are used for the work to each composition part of control system 5 and carry out
Control.
Pre-warning time storage unit 51 is used to store preset first pre-warning time and the second pre-warning time and third is pre-
The alert time.
In the present embodiment, the time span of third pre-warning time is greater than the time span of the second pre-warning time, the second early warning
The time span of time is greater than the time span of the first pre-warning time, the time span of each pre-warning time according to degree of danger into
Row setting.
Starting control unit 52 is for controlling microwave radar device 1 and the starting of image pick-up detection device 2 or suspend mode.
In the present embodiment, starting control unit 52 is used for the starting in the switch unit transmission for receiving valve control device 4
When signal or sleep signal, control microwave radar device 1 and image pick-up detection device 2 starting detection or stop detection (i.e. into
Row suspend mode).
System self-test portion 53 is used to send one respectively to microwave radar device 1, image pick-up detection device 2 and alarm device 3
A confirmation signal, to judge whether each device is offline according to corresponding return signal.
In the present embodiment, when judgement does not have device offline in System self-test portion 53, just generates a detection completion signal and give
Alarm control portion 56, further, alarm control portion 56 control 3 acousto-optic ring of alarm device and flash 2 seconds, so that exemplary system is
Normally started；In System self-test portion 53, there are when device offline, then generate a detection failure signal to alarm control for judgement
Portion 56 reports an error.
Mobile message judges that the microwave detection information that generating unit 54 is sent according to microwave radar device 1 and camera detection fill
The camera detection information for setting 2 transmissions is judged and generates personnel's mobile message.
In the present embodiment, microwave detection information, camera detection information and personnel's mobile message all include to be described personnel
Mobile personnel's moving parameter whether is carried out, only personnel out is all fed back when microwave detection information and camera detection information and does not move
When dynamic, mobile message judges that generating unit 54 just generates expression personnel and do not carry out mobile personnel's mobile message.
It is mobile to judge that timing unit 55 judges that the human motion information that generating unit 54 generates adds up personnel not according to mobile message
Carry out mobile duration.
In the present embodiment, mobile message judge generating unit 54 according to the microwave detection information that microwave radar device 1 is sent with
And the camera detection information that image pick-up detection device 2 is sent is continuously generated personnel's mobile message to generate information flow, mobile judgement
Timing unit 55 constantly receives the information flow and judges the expression situation of wherein personnel's mobile message, when personnel's mobile message indicates people
When member is not moved, movement judges that timing unit 55 begins to timing, once personnel's mobile message in information flow indicates people
It is mobile to judge timing unit 55 with regard to the timing before stopping and wait reclocking when member has carried out mobile.
Alarm control portion 56 is used for according to the mobile judgement for judging timing unit 55 to warning device 3 and valve control device
4 component work is controlled.
Specifically, when movement judges that 55 judgement personnel of timing unit do not move in the time span of the first pre-warning time
When dynamic, then alarm control portion 56 controls light alarm unit and carries out alarm, and judges timing unit 55 in the second pre-warning time in movement
Time span in judgement personnel when moving control light alarm unit sound all clear.
When movement judges that 55 judgement personnel of timing unit do not move in the time span of the second pre-warning time, then
Alarm control portion 56 controls audio alarm unit and light alarm unit carries out alarm simultaneously, and judges that timing unit 55 exists in movement
Control light alarm unit is sounded all clear when judgement personnel move in the time span of third pre-warning time, further in personnel
Audio alarm unit is controlled when pressing reset button unit to sound all clear.
When movement judges that 55 judgement personnel of timing unit do not move in the time span of third pre-warning time, then
Alarm control portion 56 controls audio alarm unit and light alarm unit carries out stronger alarm, and control valve control device
4 closing gas valve doors further control audio alarm unit and light alarm unit solution when personnel press reset button unit
Except alarm.
In the present embodiment, control system 5 is PLC controller.
Fig. 3 is the flow chart of detection alarm process in the embodiment of the present invention.
As shown in figure 3, the switch unit of valve control device 4 detects controlled valve when personnel open controlled valve
It opens and sends an enabling signal to control system 5, then start following steps:
Step S1, starting control unit 52 control microwave radar device 1 and image pick-up detection device 2 after receiving enabling signal
Starting, subsequently into step S2,
Step S2, System self-test portion 53 are sent respectively to microwave radar device 1, image pick-up detection device 2 and alarm device 3
One confirmation signal, and whether according to corresponding return signal judge each device offline enters step if judging no offline
Rapid S3；
Step S3, microwave radar device 1 and image pick-up detection device 2 continue whether testing staff moves and send phase respectively
The detection information answered is to control system 5, and then improve step S4；
Step S4, mobile message judge that generating unit 54 is continuously generated the mobile letter of personnel according to the detection information that step S3 is sent
Breath, subsequently into step S5；
Step S5, the mobile personnel's mobile message for judging that timing unit 55 is generated according to step S4 add up personnel and do not move
Duration, when the duration be more than the first pre-warning time when enter step S6,
Step S6, the light alarm unit that alarm control portion 56 controls alarm device 3 carries out alarm, subsequently into step S7；
Step S7, it is mobile to judge that timing unit 55 continues the accumulative personnel of the personnel's mobile message generated according to step S4 and do not carry out
Mobile duration enters step S7 when the duration is more than the second pre-warning time, when movement judges that timing unit 55 is sentenced
Disconnected personnel move and stop duration it is accumulative when just control light alarm unit is sounded all clear simultaneously in alarm control portion 56
Enter step S3；
Step S8, alarm control portion 56 controls the light alarm unit of alarm device 3 and audio alarm unit carries out simultaneously
Alarm, subsequently into step S9；
Step S9, it is mobile to judge that timing unit 55 continues the accumulative personnel of the personnel's mobile message generated according to step S4 and do not carry out
Mobile duration enters step S10 when the duration is more than third pre-warning time, when movement judges that timing unit 55 is sentenced
Disconnected personnel move and stop duration it is accumulative when alarm control portion 56 only control light alarm unit and sound all clear simultaneously
Enter step S11；
Step S10, the light alarm unit and audio alarm unit of the control of alarm control portion 56 alarm device 3 carry out stronger
Strong alarm, while control valve control device 4 is closed and locked burnt gas valve, subsequently into step S11；
Step S11, personnel press reset button, and alarm control portion 56 controls alarm device 3 and releases all alarms, and controls
Valve control, which releases, to be locked, subsequently into step S3.
In the present embodiment, key post personnel leave the post early warning system 100 after actuation by continuous service, fill when valve controls
When setting 4 and detecting personnel's closing gas valve door, starting control unit 52 controls each device according to sleep signal and stops testing staff
Whether move and (terminate detection alarm process) and starts suspend mode.
Embodiment action and effect
It is left the post early warning system according to key post personnel provided in this embodiment, due to microwave radar device and taking the photograph
As detection device, the situation of movement of personnel can be detected, thus judge key post personnel whether at work between from
Hilllock；Simultaneously, it is contemplated that personnel at work, are carrying out always limb motion, and body gesture is changing at any time, image pick-up detection device
Can not only the personnel of supervising work cannot leave the post without authorization, additionally it is possible to whether changed by monitoring body gesture and differentiate staff
Though it is on duty in short-term nap etc. the constant state of body gestures, analyze the case where it does not enter into working condition；Further, by
In with warning device and control system, acousto-optic is left the post or not carried out in working condition in staff to play
Alarm is to remind staff to return to the effect of operating position resumption of service in time.Under extreme case, control system may be used also
To drive valve control device directly to cut off the supply such as combustion gas, power supply, equipment is avoided to occur in the case where unattended unexpected,
Have the function that safeguard protection.
In the present embodiment, since valve control device has switch unit, valve can be opened or closed in staff
When obtain corresponding signal, each device is further started by starting control unit and is started to work, thus by the switch of valve be
The starting suspend mode of system is associated with, and realizes staff at work with regard to the function of automatic start up system.
In the present embodiment, control system can carry out different grades of police according to the duration that staff leaves the post is judged
Report is reminded, and improves police to keep entire warning system more flexible as alert level is continuously improved in the extension of duration
Work for rate.
In the present embodiment, image pick-up detection device can carry out video monitoring and to personnel in video the case where target area
Movement is detected, and is analyzed by limb action of the video to personnel, can not only is to staff more accurately
It is no to leave the post to be judged, additionally it is possible to further the working condition of staff to be assessed, thus more accurate right in time
Staff carries out alarm and reminding, reduces security risk.
In the present embodiment, microwave radar device can detect the movement of personnel, cooperate image pick-up detection device to people
Whether member leaves the post to have carried out further judgement, improves detection accuracy.
In the present embodiment, personnel are detected due to using only microwave radar device and image pick-up detection device, because
This this system it is of simple structure and low cost, reduce installation cost.
In the present embodiment, due to that can be examined when system starts to the state of each device with System self-test portion
It surveys, reduces device since failure leads to the fortuitous event of system.
Above-described embodiment is only used for the specific embodiment illustrated the present invention, and the present invention is not limited to the above embodiments
Description range.
Claims (8)
- The early warning system 1. a kind of key post personnel leave the post, for indoor personnel whether at work interior violation of supervising work Regulation leaves work position characterized by comprisingMicrowave radar device is arranged on the operating room top surface above the operating position of the personnel, for passing through microwave radar Detection is carried out to judge whether the personnel move to preset detection area；Image pick-up detection device is arranged on operating room's metope at the operating position rear of the personnel, for passing through monitor video Picture Determination described in personnel whether move or carry out limb action；Alarm device has audio alarm unit, light alarm unit and reset button unit for carrying out alarm；AndControl system is connected, for sentencing with the microwave radar device, the image pick-up detection device and the alarm device Break the personnel situation on duty and the alarm device is controlled,Wherein, the control system have pre-warning time storage unit, mobile message judge generating unit, move judge timing unit and Alarm control portion,Pre-warning time storage unit is stored with preset first pre-warning time and the second pre-warning time and third pre-warning time,The microwave radar device judges whether the personnel move and obtain microwave detection information,The image pick-up detection device detects whether the personnel move or carry out limb action and obtain camera detection information,The mobile message judges that generating unit is judged simultaneously according to the microwave detection information and the camera detection information Generation personnel's mobile message,The movement judges that timing unit judges that the personnel do not carry out mobile duration according to the human motion information,When the movement judges that timing unit judges that the personnel do not move in the time span of first pre-warning time When dynamic, then the control smooth alarm unit in alarm control portion carries out alarm, and judges timing unit described second in the movement Judge that the smooth alarm unit is controlled when the personnel move sounds all clear in the time span of pre-warning time,When the movement judges that timing unit judges that the personnel do not move in the time span of second pre-warning time When dynamic, then alarm control portion controls the audio alarm unit and the smooth alarm unit carries out alarm simultaneously, and described Movement judges to control the light when timing unit judges that the personnel move in the time span of the third pre-warning time Alarm unit is sounded all clear, and the audio alarm unit solution is further controlled when the personnel press the reset button unit Except alarm,When the movement judges that timing unit judges that the personnel do not move in the time span of the third pre-warning time When dynamic, then alarm control portion controls the audio alarm unit and the smooth alarm unit carries out alarm simultaneously, and described Personnel control the audio alarm unit when pressing the reset button unit and the smooth alarm unit is sounded all clear.
- The early warning system 2. key post personnel according to claim 1 leave the post, which is characterized in that further include:At least one valve control device, be arranged on equipment power supply or conveyance conduit, for control the equipment power supply or It is the switch of the controlled valve of the conveyance conduit,Wherein, when the movement judge timing unit judge the personnel in the time span of the third pre-warning time all not into When row is mobile, alarm control portion then controls the audio alarm unit and the smooth alarm unit while carrying out alarm, and controls It makes the valve control device and closes the equipment power supply and the conveyance conduit.
- The early warning system 3. key post personnel according to claim 2 leave the post, it is characterised in that:Wherein, the valve control device also has the switch unit whether opened for detecting valve,The control system further includes starting control unit,When the switch detection unit detects that the valve is opened, the starting control unit controls the microwave radar device And image pick-up detection device starting detection.
- The early warning system 4. key post personnel according to claim 1 leave the post, it is characterised in that:Wherein, when the movement judge timing unit judge the personnel in the time span of the third pre-warning time all not into When row is mobile, alarm control portion then controls the audio alarm unit and the smooth alarm unit while carrying out alarm, and controls Make the volume that the audio alarm unit improves audio alarm.
- The early warning system 5. key post personnel according to claim 1 leave the post, it is characterised in that:Wherein, the image pick-up detection device includes:Camera unit, for being recorded a video and generating monitor video；Video contrast judgement unit is compared to judge the personnel's for the video frame in real time to the monitor video Whether human body moves or carries out limb action；AndCamera detection information generating unit, for generating camera detection letter according to the judging result of the video contrast judgement unit Breath.
- The early warning system 6. key post personnel according to claim 1 leave the post, it is characterised in that:Wherein, the microwave radar device includes:Radar detection unit, for carrying out microwave detection to the detection area to judge whether the personnel move；AndMicrowave detection information generation unit, for generating microwave detection information according to the judging result of the radar detection unit.
- The early warning system 7. key post personnel according to claim 1 leave the post, it is characterised in that:Wherein, the time span of the third pre-warning time is greater than the time span of second pre-warning time,The time span of second pre-warning time is greater than the time span of first pre-warning time.
- The early warning system 8. key post personnel according to claim 1 leave the post, it is characterised in that:Wherein, the control system also has System self-test portion,The System self-test portion sends one to the microwave radar device, the photographic device and the alarm device respectively Confirmation signal, thus judge whether each device is offline according to corresponding return signal,When the System self-test portion, judgement does not have device offline, the microwave radar device judges whether the personnel move simultaneously Microwave detection information is obtained, the image pick-up detection device detects whether the personnel move or carry out limb action and taken the photograph As detection information.
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| CN201910018781.XA CN109637096A (en) | 2019-01-09 | 2019-01-09 | Key post personnel leave the post early warning system |
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| CN201910018781.XA CN109637096A (en) | 2019-01-09 | 2019-01-09 | Key post personnel leave the post early warning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20190416 |