CN115426478A - Intelligent safety monitoring device for experiment operation table - Google Patents
Intelligent safety monitoring device for experiment operation table Download PDFInfo
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- CN115426478A CN115426478A CN202210981885.2A CN202210981885A CN115426478A CN 115426478 A CN115426478 A CN 115426478A CN 202210981885 A CN202210981885 A CN 202210981885A CN 115426478 A CN115426478 A CN 115426478A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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- 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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Abstract
The invention discloses an intelligent safety monitoring device for an experiment operating platform, which is arranged at a preset height above the experiment operating platform; the method comprises the following steps: the device comprises a device body, a sensor assembly, a warning assembly and a microprocessor; the sensor assembly includes: the camera records an experiment operation process on the experiment operation table; the thermal imager records the temperature distribution condition on the experiment operating platform; a smoke sensor for giving an alarm when smoke is sensed; the human body infrared sensor is used for sensing whether a person exists in a preset range near the experiment operating platform; the microprocessor is respectively connected with the camera, the thermal imager, the smoke sensor, the human body infrared sensor and the warning assembly; the microprocessor receives the sensing data acquired by the sensor assembly, and controls the warning assembly to give out sound and light alarm when the sensing data exceeds the corresponding threshold value. The intelligent safety monitoring device is used for monitoring the experiment operating platform in the experiment process, can discover hidden dangers as soon as possible, report dangerous cases as soon as possible and record the experiment process in the whole process.
Description
Technical Field
The invention relates to the technical field of experiment management equipment, in particular to an intelligent safety monitoring device for an experiment operating platform.
Background
At present, laboratories are usually equipped with surveillance cameras and smoke sensors as a warning device for daily safety monitoring and accidents. However, the monitoring camera in the laboratory covers the global situation in the room, and the situation of the experiment operation process on the experiment operation table and the potential accident hazard which may occur cannot be shot; indoor smoke sensors also only give an alarm when smoke rises to the roof. The experiment accidents often happen on the experiment operation table, and the hidden dangers of the accidents also exist in the process of performing experiments on the experiment operation table.
If can monitor the experimentation of experiment operation panel, early warning to accident potential, in time report to the police in the early stage of occurence of failure, to the process intensive recording of occurence of failure, then to prevention, the processing of accident and the traceability of accident reason, all have very important meaning.
Therefore, how to monitor the safety of the experiment operating table in the experiment process becomes a problem that practitioners of the same industry need to solve urgently.
Disclosure of Invention
The invention aims to provide an intelligent safety monitoring device for an experiment operating table, which solves the problem that the safety of the experiment process cannot be monitored in the laboratory management, can realize early-finding early-warning of accident potential and early-sensing early-warning when an accident occurs, and provides powerful support for eliminating the accident potential and rescuing accident danger.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides an intelligent safety monitoring device for an experiment operating platform, which is arranged at a preset height above the experiment operating platform; this intelligent security monitoring device includes: the device comprises a device body, a sensor assembly and a warning assembly which are arranged on the device body, and a microprocessor which is arranged in the device;
wherein the sensor assembly comprises:
the camera is used for recording the experiment operation process on the experiment operation table;
the thermal imager is used for recording the temperature distribution condition on the experiment operating table;
a smoke sensor for giving an alarm when smoke is sensed;
the human body infrared sensor is used for sensing whether a person exists in a preset range near the experiment operating platform;
the microprocessor is respectively connected with the camera, the thermal imager, the smoke sensor, the human body infrared sensor and the warning assembly; the microprocessor receives sensing data acquired by the sensor assembly, and controls the warning assembly to give out sound-light alarm when the sensing data exceeds a corresponding threshold value.
Further, the shell material of device body is engineering plastics, and the casing upper end has fixed magnet piece for adsorb on the iron roof of experiment operation panel.
Further, the device also comprises a mounting bracket; the bottom end of the mounting bracket is fixed on one side of the experiment operating platform or the fixed mounting ground, and the top end of the mounting bracket is located at a preset height above the experiment operating platform and used for mounting the device body.
Furthermore, the warning component comprises a voice synthesis playing module and a state indicator light which are respectively connected with the microprocessor;
the voice synthesis playing module correspondingly plays a built-in real person sounding or alarming sound according to an alarming instruction sent by the microprocessor;
and the state indicator lamp sends out a high-frequency flashing alarm according to an alarm instruction sent out by the microprocessor.
Further, still include: a server and a communication module installed in the device body and connected with the microprocessor;
and the microprocessor transmits the sensing data acquired by the sensor assembly to the server through the communication module.
Further, the microprocessor employs a 600MHz ARM Cortex-M7 processor.
Further, the camera adopts 4K high definition USB camera module, and core sensitization components and parts model is IMX317.
Further, the model of the thermal imager is MLX90640; and the microprocessor superposes and coincides the temperature measuring point of the thermal imager and the picture of the camera through image calibration and is used for displaying the real-time temperature of each experimental device, each experimental tool and each experimental container on the experimental operating platform.
Further, the human body infrared sensor adopts a human body pyroelectric infrared probe with the model number of AM 412; the human body infrared sensor is installed on the inclined plane of the device body, and the detection range faces to the front of the experiment operating platform.
Compared with the prior art, the invention has the following beneficial effects:
the embodiment of the invention provides an intelligent safety monitoring device for an experiment operating platform, which is arranged at a preset height above the experiment operating platform; this intelligent security monitoring device includes: the device comprises a device body, a sensor assembly and a warning assembly which are arranged on the device body, and a microprocessor which is arranged in the device; wherein the sensor assembly comprises: the camera records an experiment operation process on the experiment operation table; the thermal imager records the temperature distribution condition on the experiment operating platform; a smoke sensor for giving an alarm when smoke is sensed; the human body infrared sensor is used for sensing whether a person exists in a preset range near the experiment operating platform; the microprocessor is respectively connected with the camera, the thermal imager, the smoke sensor, the human body infrared sensor and the warning assembly; and the microprocessor receives sensing data acquired by the sensor assembly, and controls the warning assembly to give out audible and visual alarm when the sensing data exceeds a corresponding threshold value. The intelligent safety monitoring device is used for monitoring the experiment operating platform in the experiment process, can discover hidden dangers as soon as possible, report dangerous cases as soon as possible and record the experiment process in the whole process.
Drawings
FIG. 1 is a block diagram of an intelligent security monitoring device;
FIG. 2 is a schematic diagram of the structure of the intelligent security monitoring device;
FIG. 3 is a schematic diagram of the detection range of the human body infrared sensor;
FIG. 4 is a schematic view of a ceiling installation of the intelligent security monitor;
FIG. 5 is a schematic view of a mounting manner of a support arm of the intelligent safety monitoring apparatus;
FIG. 6 is a schematic view of the monitoring coverage of the experiment operating table of the intelligent safety monitoring device;
FIG. 7 is a schematic view of a sectional monitoring coverage area of an ultra-long experiment operating platform of the intelligent safety monitoring device;
fig. 8 is a schematic diagram of data remote interaction of the intelligent security monitoring device.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides an intelligent safety monitoring device for an experiment operating platform, which is installed at a preset height, such as 80cm or 90cm, above the experiment operating platform during implementation, and includes: the device comprises a device body, a sensor assembly, a warning assembly and a microprocessor; sensor module and warning unit mount are on the device body, internally mounted microprocessor.
Wherein, the sensor subassembly has: camera 1, thermal imaging system 2, smoke transducer 6 and human infrared sensor 4. The camera 1 records the experiment operation process on the experiment operation table, and the thermal imager 2 records the temperature distribution condition on the experiment operation table; the smoke sensor 6 gives an alarm after sensing smoke; the human body infrared sensor 4 is used for sensing whether a person is near the experiment operating table. As shown in fig. 3, the human body infrared sensor 4 is installed on the inclined surface of the apparatus body, and the detection range faces the front of the experiment operating table.
The warning subassembly includes speech synthesis reports module 5 and status indicator lamp 3. Voice synthesis reports module 5, through the mode of true man's pronunciation, carries out safe suggestion and risk to the experiment operation and informs, sends the high pitch alarm sound during the dangerous condition. The system status indicator light is used for displaying the working status of the system, for example, the green is normal, and the red is abnormal; when the dangerous hidden danger is detected or a dangerous accident occurs, the indicating lamp flashes in red and high frequency, and can send out a prompt or an alarm together with the voice broadcasting module.
The microprocessor is respectively connected with the camera, the thermal imager, the smoke sensor, the human body infrared sensor and the warning assembly; the microprocessor receives the sensing data acquired by the sensor assembly, and controls the warning assembly to give out audible and visual alarm when the sensing data exceeds a corresponding threshold value.
The following is a detailed description of each of the above components:
wherein the microprocessor is an ARM chip microprocessor, preferably an ARM Cortex-M7 processor with 600 MHz. The high performance characteristic of the ARM Cortex-M7 kernel is very suitable for the intelligent safety monitoring device, and is suitable for the application of harsh digital signal control controlled by high-efficiency and easy-to-use type without a complex operating system.
A camera, such as an undistorted camera with a 90 ° field of view (FOV), with a picture ratio of 16; specifically, a 4K high-definition USB camera module is adopted, and a core photosensitive component is IMX317; the device can receive larger light entering amount, has better photosensitive performance, clearer picture and better reduction degree, and can clearly record the experimental operation process on the experimental operation table.
The coverage range of the camera determines the installation position of the whole intelligent safety monitoring device, the installation height is about 80cm, and the typical experiment operation table with the length of 120cm, 150cm and 180cm can be effectively covered. As shown in fig. 4-7, the installation position of the intelligent security monitoring device is about 80cm in vertical direction from the height of the camera lens to the table top; the horizontal direction is positioned at the central position of the operating platform, and the full coverage of the experiment operating platforms with the lengths of 120cm and 150cm can be realized. For example, 88% coverage can be achieved for a 180cm length laboratory bench, and if full coverage is required, the probe mounting position can be increased to 90cm. For experiment operation platforms with the length of more than 180cm, as shown in fig. 7, the intelligent safety monitoring device can be installed in a segmented mode.
The thermal imager adopts a 110-degree field of view (FOV), has a picture proportion of 4. A thermal imager of 32. The thermal imager can measure the temperature of each block 32x24 in a view field range, and can measure the temperature distribution on an experiment operating platform when being applied to the intelligent safety monitoring device. Through image calibration, the temperature measuring point of the thermal imager can be superposed and superposed with the picture of the camera, and the real-time temperature of each experimental device, each experimental tool, each experimental container and the like on the experimental operating platform can be displayed. And early warning is timely sent out for abnormal temperature.
In specific implementation, for example, the thermal imager adopts an MLX90640 model with 32x24 pixels, so that the thermal imager is small in size, low in power consumption and convenient to integrate and package; the image calibration process comprises the following steps:
the data returned to the microprocessor by the MLX90640 thermal imager is a 32x24 array containing temperature values, which can be graphically represented in the form of a rectangular grid having 32 squares in the transverse direction and 24 squares in the longitudinal direction, and the temperature values can be indicated in each grid in a text manner or by different color gradients.
The grid graph of the thermal imager is superposed on the real-time picture shot by the camera, and the grid graph width of the thermal imager can be set to be 1/2 of the picture of the camera for convenient calibration. For example, a heat source, such as a cup of hot water, is placed in the lower left corner of the table, and the thermal imaging camera detects that the temperature of the hot water cup is significantly higher in the cell than in the surrounding table top.
At this time, the width of the grid pattern of the thermal imager is multiplied by a coefficient, such as 1.1, 1.2 and the like, the size of the grid pattern is gradually enlarged until the unit grid of the hot water cup is superposed with the hot water cup on the picture of the camera, and then the calibration process can be completed. In addition, the hot water cup can be replaced at the lower right corner of the other side of the table to check and correct the calibration.
And the smoke sensor is used for sending an alarm when smoke is accidentally generated in the experiment process of the experiment operating table. For example, the MQ-2 gas sensor is selected, the sensitivity to liquefied gas, propane and hydrogen is high, the types of gases and the information related to the concentration of the gases can be converted into electric signals, and the information related to the existence condition of the gas to be detected in the environment can be obtained according to the strength of the electric signals; thereby, detection, monitoring and alarming can be carried out; for example, the automatic detection, control and alarm device can be formed by the interface circuit and the microprocessor.
The human body infrared sensor is used for detecting whether an experimenter is good at the experiment operating platform or not, and can set corresponding alarm information according to the requirement of experiment management. The installation angle of the human body infrared sensor is about 45 degrees obliquely downwards, as shown in fig. 3; the detection angle of a typical human body infrared sensor is 100 degrees, and the installation angle is 45 degrees downwards in an inclined mode, so that effective detection can be achieved when an experimenter is in a standing or sitting position.
In specific implementation, the human body infrared sensor can adopt a human body pyroelectric infrared probe with the model number of AM 412; the AM412 is a pyroelectric infrared probe that integrates both the digital intelligent control circuit and the human body detection sensitive element in the electromagnetic shielding case.
Induction angle: 100 °, sensing distance: 7 m, when the pyroelectric infrared signal received by the probe is a human body infrared signal, a high level is output, and the microprocessor controls the language synthesis module to play alarm information according to the output.
In addition, this intelligent security monitoring device still includes: the device comprises a server and a communication module, such as a WIFI wireless module, which is arranged in a device body and connected with a microprocessor; the intelligent safety monitoring device is connected with the server host through the WIFI wireless module and uploads real-time data of monitoring pictures and temperature field tests, so that full recording of an experimental process is achieved, and early warning and early handling of dangerous conditions in the experimental process are achieved.
As shown in fig. 8, the intelligent security monitoring device has the characteristic of a distributed internet of things, and videos shot in the experimental process and real-time detection state data (including desktop temperature distribution, abnormal smoke signal conditions and laboratory personnel presence conditions) can be uploaded to a laboratory management server of a server host for archiving and storing.
This intelligent security monitoring device according to the needs in laboratory, can set up a plurality ofly, has stronger flexibility.
Further, the casing material of the device body is plastic material, such as general engineering plastic: polyamides, polycarbonates, polyoxymethylenes, acrylonitrile-butadiene-styrene copolymers, polyphenylene oxide (PPO), polybutylene terephthalate (PBTP) and modified products thereof. The high-temperature-resistant and heat-resistant composite material has better high temperature resistance and heat resistance.
As shown in figure 4, the top plate of the experiment operating platform is a thin iron plate, and strong magnetic pastes or magnet blocks are respectively embedded into four corners at the top of the shell of the intelligent safety monitoring device, so that the intelligent safety monitoring device can be easily adsorbed on the top plate without drilling the top plate.
And when there is not the roof to the experiment operation panel, this intelligent security monitoring device still includes the installing support, as shown in fig. 5, is the type of falling L, and the bottom (vertical end) of installing support is fixed in one side or the fixed mounting subaerial of experiment operation panel, and the top of installing support is located experiment operation panel top 80cm or 90cm department for the installation device body also can realize carrying out safety supervision to the experimentation of experiment operation panel.
The intelligent safety monitoring device for the experiment operating platform can fully record the experiment process on the experiment operating platform, is favorable for analyzing accident potential and analyzing accident reasons; the temperature change of the experiment operating table top can be monitored in real time, and prompt and alarm can be given as soon as possible when the heat source is abnormal; the smoke sensor can give an alarm to the occurrence of dangerous accidents of the experiment operating table as soon as possible, and the reaction time is shorter than that of the smoke sensor on the roof of the laboratory; in addition, the human body infrared sensor can monitor the condition that the experimenter is good at leaving the experiment operating platform and can send out the voice prompt of the sound production of the real person. Finally, the intelligent safety monitoring device can also be wirelessly networked through WIFI, videos and detection data are uploaded to a laboratory system management server in real time, and the intelligent safety monitoring device is convenient to install and flexible in arrangement.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. An intelligent safety monitoring device for an experiment operating platform is characterized in that the intelligent safety monitoring device is arranged at a preset height above the experiment operating platform; the method comprises the following steps: the device comprises a device body, a sensor assembly and a warning assembly which are arranged on the device body, and a microprocessor which is arranged in the device;
wherein the sensor assembly comprises:
the camera records an experiment operation process on the experiment operation table;
the thermal imager records the temperature distribution condition on the experiment operating platform;
a smoke sensor for giving an alarm when smoke is sensed;
the human body infrared sensor is used for sensing whether a person exists in a preset range near the experiment operating platform;
the microprocessor is respectively connected with the camera, the thermal imager, the smoke sensor, the human body infrared sensor and the warning assembly; the microprocessor receives sensing data acquired by the sensor assembly, and controls the warning assembly to give out sound-light alarm when the sensing data exceeds a corresponding threshold value.
2. The intelligent safety monitoring device for the experiment operation table as claimed in claim 1, wherein the casing of the device body is made of engineering plastics, and the upper end of the casing is provided with a fixed magnet block for being adsorbed on an iron top plate of the experiment operation table.
3. The intelligent safety monitoring device for the experiment operating table according to claim 1, further comprising a mounting bracket; the bottom mounting of installing support is in one side or the fixed mounting subaerial of experiment operation panel, the top of installing support is located experiment operation panel top is predetermine high department for the installation the device body.
4. The intelligent safety monitoring device for the experiment operating table is characterized in that the warning component comprises a voice synthesis playing module and a status indicator light which are respectively connected with the microprocessor;
the voice synthesis playing module correspondingly plays a built-in real person sounding or alarming sound according to an alarming instruction sent by the microprocessor;
and the state indicator lamp sends out a high-frequency flashing alarm according to an alarm instruction sent out by the microprocessor.
5. The intelligent safety monitoring device for experiment operation table according to claim 1, further comprising: a server and a communication module installed in the device body and connected with the microprocessor;
and the microprocessor transmits the sensing data acquired by the sensor assembly to the server through the communication module.
6. The intelligent safety monitoring device for laboratory benches of claim 1, wherein the microprocessor uses a 600MHz ARM Cortex-M7 processor.
7. The intelligent safety monitoring device for the experiment operating table according to claim 1, wherein the camera adopts a 4K high-definition USB camera module, and the model of a core photosensitive component is IMX317.
8. The intelligent safety monitoring device for the experiment operating table as claimed in claim 1, wherein the model of the thermal imaging camera is MLX90640; and the microprocessor superposes and coincides the temperature measuring point of the thermal imager and the picture of the camera through image calibration and is used for displaying the real-time temperature of each experimental device, each experimental tool and each experimental container on the experimental operating platform.
9. The intelligent safety monitoring device for the experiment operating table according to claim 1, wherein the human body infrared sensor adopts a human body pyroelectric infrared probe with the model number of AM 412; the human body infrared sensor is installed on the inclined plane of the device body, and the detection range faces to the front of the experiment operating table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981885.2A CN115426478A (en) | 2022-08-16 | 2022-08-16 | Intelligent safety monitoring device for experiment operation table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981885.2A CN115426478A (en) | 2022-08-16 | 2022-08-16 | Intelligent safety monitoring device for experiment operation table |
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| Publication Number | Publication Date |
|---|---|
| CN115426478A true CN115426478A (en) | 2022-12-02 |
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| CN202210981885.2A Pending CN115426478A (en) | 2022-08-16 | 2022-08-16 | Intelligent safety monitoring device for experiment operation table |
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- 2022-08-16 CN CN202210981885.2A patent/CN115426478A/en active Pending
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