CN210243834U - Important post personnel leave post early warning device - Google Patents
Important post personnel leave post early warning device Download PDFInfo
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- CN210243834U CN210243834U CN201920483032.XU CN201920483032U CN210243834U CN 210243834 U CN210243834 U CN 210243834U CN 201920483032 U CN201920483032 U CN 201920483032U CN 210243834 U CN210243834 U CN 210243834U
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Abstract
The utility model provides a simple structure, low cost guarantee the important post personnel of alarm effect simultaneously and leave post early warning device for whether personnel in the supervision studio violate the regulation in the during operation and leave the post, a serial communication port, include: the microwave radar is used for detecting a preset detection area so as to judge whether a person moves and is provided with a first electric signal output circuit; the monitoring camera is used for detecting whether the person moves or does not move through comparing the pictures of the monitoring video and is provided with a second electric signal output circuit; an audible and visual alarm having an audible alarm circuit and an optical alarm circuit; the controller comprises a logic judgment element, a timing circuit and a signal transmission circuit; and the plurality of interface modules are respectively used for connecting the controller with the microwave radar, the monitoring camera and the acousto-optic alarm.
Description
Technical Field
The utility model relates to an important post personnel leave post early warning device.
Background
The important work post represented by a kitchen and a high-voltage power distribution duty room of a catering unit requires that workers need to be on duty all the time during working hours to process working conditions at any time.
For example, the kitchen of catering units is a place where fire easily occurs, and is characterized by high temperature and high humidity, severe environment, and intensive use of gas and high-power electric appliances for cooking and processing food. The power and unit heat value of gas and high-power electric appliances are obviously higher than those of common household appliances, so that the gas and high-power electric appliances are highly dangerous, and once the gas and high-power electric appliances occur, great influence and serious adverse effect are generated. If the operator violates the operation rule, the operator leaves the working position without turning off the fire source, so that the cooking edible oil is boiled; the fire source ignites the boiling steam of the edible oil to cause the oil pan to fire; then, under the action of strong suction force of the exhaust stove, flame is sucked into an exhaust system at the upper part of the kitchen cooking bench, and oil smoke dirt accumulated in the exhaust system is further ignited, so that fire burning in a flue is caused, and serious safety consequences and severe social influence can be generated.
The existing on-duty detection device for the personnel can detect whether the personnel leave the post or not, so that the personnel can give an alarm when leaving. However, when the worker is on duty to take a nap, take a rest, watch a mobile phone, etc., and thus cannot be focused on the work, the detection may be disabled due to the worker 'being on duty', and further danger may be generated. Meanwhile, the components of the existing on-duty detection device for personnel are often very complex, a plurality of assemblies are required to be installed for realizing detection, and the cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem, provide a simple structure, low cost, guarantee simultaneously that the important post personnel of alarm effect leave post early warning device, the utility model discloses a following technical scheme:
the utility model provides an important post personnel leave post early warning device for whether personnel in the supervision studio violate the regulation in the during operation and leave the post, a serial communication port, include: the microwave radar is arranged on the top surface of the working chamber above the working position of the personnel, is used for detecting a preset detection area through the microwave radar so as to judge whether the personnel move or not, and is provided with a first electric signal output circuit; the monitoring camera is arranged on the wall surface of a working room behind the working position of the personnel, is used for detecting whether the personnel moves or does not move through comparing the pictures of the monitoring video, and is provided with a second electric signal output circuit; the sound and light alarm is arranged in the working chamber and is provided with a sound alarm circuit and a light alarm circuit; the controller comprises a logic judgment element consisting of a singlechip, a timing circuit electrically connected with the logic judgment element and a signal transmission circuit electrically connected with the logic judgment element; and the interface modules are respectively used for connecting the controller with the microwave radar, the monitoring camera and the sound-light alarm, wherein the output ends of the first electric signal output circuit and the second electric signal output circuit are connected with the input end of the signal transmission circuit through the interface modules, and the output end of the signal transmission circuit is connected with the input end of the sound alarm circuit and the input end of the light alarm circuit through the interface modules.
The utility model provides an important post personnel leave post early warning device can also have such technical characteristic, still include: and the electromagnetic valve is provided with a valve control circuit, wherein the output end of the signal transmission circuit is connected with the input end of the valve control circuit.
The utility model provides an important post personnel leave post early warning device can also have such technical characteristic, and wherein, the solenoid valve is still installed simultaneously on the power supply line that provides operation electric power.
The utility model provides an important post personnel leave post early warning device can also have such technical characteristic, still include: and the reset button is connected with the controller and is used for releasing the alarm of the alarm and the locking of the electromagnetic valve.
The utility model provides an important post personnel leave post early warning device can also have such technical characteristic, and wherein, the sensing area is the personnel required work area that work.
The utility model provides an important post personnel leave post early warning device can also have such technical characteristic, and wherein, surveillance camera monitors monitoring video to detecting area.
Utility model with the functions and effects
According to the utility model, the important post personnel leave the post early warning device can detect the movement condition of personnel due to the microwave radar and the monitoring camera, thereby judging whether the important post personnel leave the post during the working time; meanwhile, considering that the personnel always move limbs and change the body posture at any time when working, the monitoring camera can not only monitor that the personnel cannot leave the post without permission, but also judge the state that the body posture of the personnel is not changed such as sleeping for a short time although the personnel is on the post by monitoring whether the body posture is changed or not, and analyze the condition that the personnel does not enter the working state; furthermore, due to the adoption of the audible and visual alarm and the controller, the audible and visual alarm is carried out when the worker leaves the post or is not in the working state so as to remind the worker to return to the operating position to return to the working state in time; meanwhile, the timing circuit of the controller enables the alarm to be more intense gradually along with the time, and under extreme conditions, the electromagnetic valve can be driven to directly cut off the supply of gas, power supply and the like, so that accidents of equipment under the condition of unattended operation are avoided, and the effect of safety protection is achieved. The utility model discloses component parts have been simplified under the condition of guaranteeing the detection effect for simple structure, low cost have reduced installation cost.
Drawings
FIG. 1 is a layout diagram of an off-post warning device for important post personnel in the embodiment of the utility model; and
FIG. 2 is a schematic diagram of a connection mode of the off-duty early warning device for important post personnel in the embodiment of the present invention;
FIG. 3 is a schematic diagram of an acousto-optic warning circuit in an embodiment of the invention;
fig. 4 is a schematic diagram of a controller in an embodiment of the invention;
fig. 5 is a schematic diagram of each interface module in an embodiment of the present invention;
fig. 6 is a schematic diagram of an input monitoring circuit and an output driving circuit according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a key circuit according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a power conversion circuit according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an external communication interface in an embodiment of the invention; and
fig. 10 is a schematic diagram of a flash memory module and a communication module according to an embodiment of the present invention.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, it is right to combine embodiment and attached drawing below the utility model discloses an important post personnel leave post early warning device and do specifically exposition.
< example >
Fig. 1 is the embodiment of the utility model provides an important post personnel leave post early warning device's layout.
As shown in fig. 1, the off-duty warning device 100 for important post personnel in this embodiment is disposed in a large kitchen, and includes two microwave radars 1, a monitoring camera 2, an audible and visual alarm 3, an electromagnetic valve 4, a controller 5, a reset button 6 (not shown in the figure), and an interface module 7 (not shown in the figure).
The microwave radar 1 is used for detecting a preset detection area through the microwave radar so as to judge whether a person moves, and is provided with a first electric signal output circuit which is connected with the controller 5 through an interface module 7. The microwave radar 1 of the present embodiment is a conventional microwave radar, and is disposed on the top surface of the working chamber above the working position of the person (as shown in fig. 1), and detects the person and the movement in the predetermined detection area.
In this embodiment, the microwave radar 1 has a self-contained computing unit, and can compute the detection result of the microwave radar 1 to determine whether there is human body movement, and further output the first signal through the first electrical signal output circuit if it is determined that there is no human body movement. Meanwhile, since there are two microwave radars 1 in this embodiment, the first signal further includes a first signal a corresponding to the microwave radar 1a and a first signal b corresponding to the microwave radar 1 b. In this embodiment, the predetermined detection area is a work area required by a worker working in a work room.
The monitoring camera 2 is used for detecting whether a person has limb movement or not through image comparison of a monitoring video, and is provided with a second electric signal output circuit which is connected with the controller 5 through an interface module 7. The surveillance camera 2 of this embodiment is conventional surveillance camera, sets up on the studio wall at personnel's the operating position rear, shoots the video recording to the condition in whole work area.
In this embodiment, the monitoring camera 2 has a self-contained computing unit, and can identify and compare the monitoring video recorded by the monitoring camera 2 to determine whether there is human body movement or limb movement, and further output a second signal through the second electrical signal output circuit if it is determined that there is no human body movement or limb movement.
The sound and light alarm 3 is used to generate a warning alarm through a sound and light alarm circuit, which is divided into a sound alarm circuit and a light alarm circuit. The sound-light alarm 3 of the present embodiment is a conventional sound-light alarm, and is disposed in a place in the work room where it is easy for a person to hear and see.
In this embodiment, the sound alarm circuit and the light alarm circuit can activate corresponding alarms when receiving the electric signal.
The electromagnetic valve 4 is used for opening and closing a pipeline of a gas pipeline and is provided with a valve control circuit. The solenoid valve 4 of the present embodiment is a conventional solenoid valve, and is configured to be a gas pipe for supplying gas to the range.
In this embodiment, the valve control circuit can start the electromagnetic valve 4 to open or close when receiving the electrical signal.
In other embodiments, the solenoid valve 4 can also be another form of input control device for emergency control of the input of the equipment in hazardous locations. The solenoid valve 4 can also be, for example, an electromagnetic switch provided on the power supply of the hazardous equipment for controlling the switching of the power supply.
The controller 5 has a logic judgment element, a timing circuit, and a signal transmission circuit. In this embodiment, the logic determining element is a single chip Microcomputer (MCU), the corresponding logic determining process is implemented by programming inside the MCU, the timing circuit is a clock circuit (as shown in the circuit D1 and the circuit D2 in fig. 4) connected to pins of the MCU, the signal transmission circuit is each pin of the MCU, and the signal transmission circuit is electrically connected to each component of the off-duty warning device 100 that needs to be controlled.
In this embodiment, the signal transmission circuit is an input pin and an output pin of the single chip, so as to transmit an input signal and an output signal of the logic determination element.
In this embodiment, the controller 5 further includes a power circuit, an analog power supply, a reset circuit, and an asynchronous reset circuit, which correspond to the circuits D4, D5, D3, and D6 in fig. 4 respectively and are connected to the signal transmission circuit respectively.
In this embodiment, the electromagnetic valve 4 is also installed on the power line providing the operation power for the important post personnel leaving the post early warning device 100, and when the personnel open the electromagnetic valve 4 to perform cooking, the power line is connected with the electromagnetic valve 4, so that the important post personnel leaving the post early warning device 100 is started.
The reset button 6 is used to release the alarm of the sound and light alarm 3 and the lock state of the solenoid valve 4, and is connected to the sound and light alarm 3 and the solenoid valve 4.
The interface module 7 is a junction box, and is used for respectively connecting the controller 5 with the microwave radar 1, the monitoring camera 2, the sound-light alarm 3 and the electromagnetic valve 4, so that the interaction of electric signals is completed.
In the microwave radar 1, the monitoring camera 2, the sound-light alarm 3, the solenoid valve 4, the controller 5, the reset button 6 and the interface module 7, the connection relationship among the components is as shown in fig. 2: the controller 5 is respectively connected with the microwave radar 1, the monitoring camera 2, the sound-light alarm 3 and the electromagnetic valve 4 through an interface module 7 (namely, a junction box in the figure), and the reset button 6 (namely, a position switch in the figure) is connected with the controller. (for clarity, the components used in the acousto-optic alarm 3 for each alarm level are shown separately in FIG. 2. in practice, the warning light and the alarm horn are shown as one and the same)
Specifically, the sound and light alarm circuit of the sound and light alarm 3 is shown in fig. 3, the circuit and connection relationship of the controller 5 are shown in fig. 4, the circuit and connection relationship of each interface module 7 are shown in fig. 5, and the input monitoring circuit and the output driving circuit connected between the controller 5 and the interface module 7 are shown in fig. 6:
the first signal a sent by the microwave radar 1a when it is determined that there is no human body moving is transmitted to the interface module 7a (i.e., the notch monitoring alarm 1 in fig. 5), and at this time, the interface module 7a sends the signal to the input monitoring circuits A3 and a4 through the pin D MW1 and the pin D IrR1, and sends the signal to the controller 5 through the pin C MW1 and the pin C IrR1 after being processed by the photocoupling element (EL 357N).
Similarly, the first signal b sent by the microwave radar 1b is transmitted to the interface module 7b (i.e. the notch monitoring alarm 2 in fig. 5), and is sent to the controller 5 through the input monitoring circuits a5 and a 6; the second signal sent by the monitoring camera 2 is transmitted to the interface module 7c (i.e. the notch monitoring alarm 3 in fig. 5), and is sent to the controller 5 through the input monitoring circuits a7 and A8.
Thus, the first signals a and b from the first electric signal output circuit and the second signal from the second electric signal output circuit enter the logic judgment element of the controller 5 to perform logic judgment, and after the judgment, the corresponding judgment signals are output to the timing circuit connected with the logic judgment element. When the connector 7 receives the second signal and any one of the first signals (i.e., when the pins labeled as the monitoring points 1, 2, or 3 in fig. 4 are connected), the logic judgment element continuously outputs a judgment signal (i.e., when the interface module 7 continuously receives the second signal and the first signal, the judgment signal is continuously output), and the timing circuit starts to time when receiving the judgment signal; when the second signal or the first signal is interrupted and the judgment condition cannot be met, the logic judgment element stops outputting the judgment signal, and at the moment, the timing circuit stops timing.
The sound alarm circuit of the sound and light alarm 3 corresponds to the circuit C1 in fig. 3, and when the pin L BUZZER connected to the controller 5 of the circuit C1 is connected, the BUZZER is activated to generate a sound alarm.
The light alarm circuit of the sound-light alarm 3 corresponds to the circuits C2, C3 and C4 in fig. 3, the circuit C1 corresponds to the warning light of the sound-light alarm 3, when the off-post warning device 100 of the important post personnel is started, the circuit C1 is communicated to display a yellow light; the circuits C3 and C4 are connected to the pins L ERR and L WORK of the controller 5, respectively, and when the corresponding pins are connected, the circuits C3 and C4 are connected accordingly to display a red light indicating a warning or a normal green light.
The valve control circuit of solenoid valve 4 corresponds to circuits B1 and B2 in fig. 6, and when pin B RQF of circuit B1 connected to controller 5 is connected, fet AO3404 is connected to activate relay JE112D of circuit B2, thereby closing solenoid valve 4.
The sound-light alarm 3 and the electromagnetic valve 4 are operated as follows under the control of the controller 5:
when the timing circuit continuously receives the judgment signal so that the timing duration meets the first preset time, the logic judgment circuit outputs the light control signal through the output end (namely, the pin L ERR in the figure 4) connected with the light alarm circuit in the signal transmission circuit, so that the light alarm circuit is activated to enable the sound-light alarm 3 to carry out light alarm;
when the timing duration of the timing circuit meets the second preset time, the logic judgment circuit simultaneously outputs corresponding control signals (i.e., a light control signal and a sound control signal) through output ends (i.e., a pin L ERR and a pin L BUZZER in fig. 4) connected with the light alarm circuit and the sound alarm circuit in the signal transmission circuit, so that the light alarm circuit and the sound alarm circuit are activated to enable the sound and light alarm 3 to perform sound and light alarm at the same time;
when the timing duration of the timing circuit meets the third preset time, the logic judgment circuit activates the optical alarm circuit and the acoustic alarm circuit, and simultaneously outputs a valve control signal through an output end (i.e., a pin B RQF in fig. 4) connected with the valve in the signal transmission circuit, so that a relay (JE112D) in the valve control circuit is activated to close and lock the electromagnetic valve 4.
In the present embodiment, the logic determination circuit stops the output of the light control signal after the timing circuit stops the timing, and stops the sound and light alarm 3 from performing the light alarm, but outputs the sound control signal to cause the sound and light alarm 3 to continue the sound alarm without being affected by the timing stop of the timing circuit. Similarly, after the logic judgment circuit outputs the valve control signal, the valve control signal is continuously output without being influenced by the timer circuit so as to keep the closed state (i.e., locked) of the valve until the reset button 6 is pressed to interrupt the output of the signal.
In this embodiment, outputting the optical control signal, the sound control signal, and the valve control signal is to connect the corresponding pin on the single chip, and stopping outputting is to disconnect the corresponding pin.
The reset button 6 is a keyboard connected to the single chip, and as shown in fig. 7, when the button for canceling the alarm is pressed, the logic judgment circuit stops the output of the light control signal, the sound control signal, and the valve control signal. In this embodiment, the keyboard is further provided with other keys for performing corresponding settings according to preset rules, and the implementation method is the same as that of the conventional technology.
In this embodiment, the interface module 7 connected to the controller 5 further includes an acousto-optic alarm-control area interface, an acousto-optic alarm-management area interface, and a self-recovery fuse interface (as shown in fig. 5 as interfaces 7e, 7f, and 7 g), where the acousto-optic alarm-control area interface and the acousto-optic alarm-management area interface are used to generate corresponding signals according to the setting of the keyboard, the self-recovery fuse interface is used to perform overload protection when the current of the off-duty early warning device 100 for important post personnel is abnormal, and the corresponding design of the interfaces is the same as that of the conventional technology, and will not be described herein again.
In this embodiment, the important post personnel leaving post early warning device 100 further has a power conversion circuit, as shown in fig. 8, which is the same as the conventional technology and is used for converting a 12V power voltage into a stable 3.3V voltage.
In this embodiment, the warning device 100 for the important post leaving has an external communication interface module, a circuit structure of which is shown in fig. 9, and the external communication interface module is the same as the conventional technology and is not described herein again.
In this embodiment, the controller 5 further has a flash memory module and a communication module, the circuit connection manner of which is shown in fig. 10, and the interface module 7 further has a user identity interface (shown as an interface 7h in fig. 5) connected to the communication module, and the corresponding modules are the same as those in the conventional technology and are not described herein again.
Examples effects and effects
According to the important post personnel off-post early warning device provided by the embodiment, due to the fact that the microwave radar and the monitoring camera are arranged, the movement situation of personnel can be detected, and therefore whether the important post personnel are off-post during working hours or not is judged; meanwhile, considering that the personnel always move limbs and change the body posture at any time when working, the monitoring camera can not only monitor that the personnel cannot leave the post without permission, but also judge the state that the body posture of the personnel is not changed such as sleeping for a short time although the personnel is on the post by monitoring whether the body posture is changed or not, and analyze the condition that the personnel does not enter the working state; furthermore, due to the adoption of the audible and visual alarm and the controller, the audible and visual alarm is carried out when the worker leaves the post or is not in the working state so as to remind the worker to return to the operating position to return to the working state in time; meanwhile, the timing circuit of the controller enables the alarm to be more intense gradually along with the time, and under extreme conditions, the electromagnetic valve can be driven to directly cut off the supply of gas, power supply and the like, so that accidents of equipment under the condition of unattended operation are avoided, and the effect of safety protection is achieved. And simultaneously, the utility model discloses still simplified the component part under the circumstances of guaranteeing detection effect for simple structure, low cost have reduced installation cost.
In this embodiment, because the solenoid valve still sets up and is doing the utility model discloses a device provides the power supply line of operation electric power on the road, can open or obtain or lose electric power when closing the valve at the staff to with the switch of valve with the utility model discloses a start-up dormancy of device has carried out the association, realizes the staff at the function with regard to automatic start-up at the during operation.
In this embodiment, because set for the detection region, thereby not only can avoid microwave radar to detect the people outside the work area and lead to the misjudgment, can also let the staff keep working in the work area.
In this embodiment, the surveillance camera can carry out video monitoring and detect personnel's action in the video by the condition of target area, carries out the analysis through the video to personnel's limbs action, not only can judge whether the staff leaves the post more accurately, can also further assess the operating condition of staff to carry out the alarm to the staff more accurately in time and remind, reduced the safety risk.
In this embodiment, microwave radar can detect personnel's removal, and whether cooperation detection device makes a video recording is left the post to personnel and is carried out further judgement to improve and detect the precision.
In the embodiment, only the microwave radar device and the camera detection device are adopted to detect the personnel, so the system has simple structure and low cost, and reduces the installation cost.
In this embodiment, the interface module is connected to the controller and each of the detection devices, so that the problem of different voltage specifications of signals is solved, and the input monitoring circuit and the output driving circuit are used for signal conversion, thereby optimizing signal transmission.
The above embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above embodiments.
Claims (6)
1. The utility model provides an important post personnel early warning device that leaves the post for whether the personnel in supervision studio violate the regulation and leave the post in the during operation time, its characterized in that includes:
the microwave radar is arranged on the top surface of the working chamber above the working position of the personnel, is used for detecting a preset detection area through the microwave radar so as to judge whether the personnel moves or not, and is provided with a first electric signal output circuit;
the monitoring camera is arranged on the wall surface of a working room behind the working position of the personnel, is used for detecting whether the personnel moves or does not move through comparing the pictures of the monitoring video, and is provided with a second electric signal output circuit;
an audible and visual alarm provided in the working chamber and having an audible alarm circuit and an optical alarm circuit;
the controller comprises a logic judgment element consisting of a singlechip, a timing circuit electrically connected with the logic judgment element and a signal transmission circuit electrically connected with the logic judgment element; and
a plurality of interface modules respectively used for connecting the controller with the microwave radar, the monitoring camera and the acousto-optic alarm,
the output ends of the first electrical signal output circuit and the second electrical signal output circuit are connected with the input end of the signal transmission circuit through the interface module, and the output end of the signal transmission circuit is connected with the input end of the sound alarm circuit and the input end of the light alarm circuit through the interface module.
2. The important post personnel off post early warning device of claim 1, further comprising:
the electromagnetic valve is provided with a valve control circuit,
and the output end of the signal transmission circuit is connected with the input end of the valve control circuit.
3. The important post personnel off post early warning device of claim 2, characterized in that:
wherein, the solenoid valve is also installed on the power supply line providing the operation power at the same time.
4. The important post personnel off post early warning device of claim 2, further comprising:
and the reset button is connected with the controller and used for releasing the alarm of the alarm and the locking of the electromagnetic valve.
5. The important post personnel off post early warning device of claim 1, characterized in that:
the detection area is a work area required by the personnel to work.
6. The important post personnel off post early warning device of claim 1, characterized in that:
and the monitoring camera monitors the detection area and records the monitoring video.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483032.XU CN210243834U (en) | 2019-04-11 | 2019-04-11 | Important post personnel leave post early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483032.XU CN210243834U (en) | 2019-04-11 | 2019-04-11 | Important post personnel leave post early warning device |
Publications (1)
| Publication Number | Publication Date |
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| CN210243834U true CN210243834U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920483032.XU Expired - Fee Related CN210243834U (en) | 2019-04-11 | 2019-04-11 | Important post personnel leave post early warning device |
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| CN (1) | CN210243834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791553A (en) * | 2021-08-11 | 2021-12-14 | 中粤鼎安(广东)信息科技有限公司 | Automatic power-off device |
-
2019
- 2019-04-11 CN CN201920483032.XU patent/CN210243834U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791553A (en) * | 2021-08-11 | 2021-12-14 | 中粤鼎安(广东)信息科技有限公司 | Automatic power-off device |
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