CN214150332U - Small-size environmental safety hidden danger early warning device - Google Patents
Small-size environmental safety hidden danger early warning device Download PDFInfo
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- CN214150332U CN214150332U CN202023131006.2U CN202023131006U CN214150332U CN 214150332 U CN214150332 U CN 214150332U CN 202023131006 U CN202023131006 U CN 202023131006U CN 214150332 U CN214150332 U CN 214150332U
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Abstract
The utility model relates to a small-sized environmental safety hidden danger early warning device, which comprises a gas sampling component and a gas compression component; the gas inlet end of the gas compression assembly is connected with the gas outlet end of the gas sampling assembly; comprises a shell, a particle detection component, a toxic and harmful gas detection component, a heat-emission infrared component and a gas treatment component, wherein the particle detection component, the toxic and harmful gas detection component, the heat-emission infrared component and the gas treatment component are arranged in the shell; the gas outlet end of the gas compression assembly is respectively connected with the gas inlet end of the particle detection assembly and the gas inlet end of the toxic and harmful gas detection assembly; the gas outlet end of the particle detection assembly and the gas outlet end of the toxic and harmful gas detection assembly are both connected with the gas inlet end of the gas treatment assembly; the thermal infrared radiation assembly is rotationally connected to the top of the shell; this scheme is integrated three kinds of detection subassemblies in a casing, and the structure is compacter, and detection efficiency is high, carries out data analysis with three data, and an holistic judged result is exported, and the condition that reduces the erroneous judgement appears.
Description
Technical Field
The utility model relates to an environmental monitoring technical field, more specifically say, relate to a small-size environmental safety hidden danger early warning device.
Background
The production and the life are influenced along with a plurality of potential safety hazards while the society develops at a high speed. The monitoring and early warning of the environmental safety hidden troubles are used as a main measure way for restraining serious accidents and realizing advanced prevention of safety production, and have a vital effect on improving the safety production guarantee level of enterprises. The environmental safety hidden troubles mainly include fire hidden troubles and harmful gas hidden troubles, and if the hidden troubles are not eliminated in time, the public safety can be seriously threatened. And the emergence of fire can certainly pass through the overheated stage of material, and the material can release a large amount of invisible corpuscles and poisonous and harmful gas in the overheated period, if can detect this stage, in time respond to, eliminates the potential safety hazard and has important meaning to the safety in production life.
The existing environment safety hidden danger monitoring is that a thermal infrared detector or a toxic and harmful gas detector is used for independent detection, comprehensive data cannot be provided, the thermal infrared detector is easily influenced by obstacles, the test result is not accurate, misjudgment easily occurs, and prevention and treatment cannot be performed in time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a small-size environmental safety hidden danger early warning device is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the small-sized early warning device for the potential safety hazard of the environment comprises a gas sampling assembly and a gas compression assembly; the gas inlet end of the gas compression assembly is connected with the gas outlet end of the gas sampling assembly; the device comprises a shell, a particle detection assembly, a toxic and harmful gas detection assembly, a heat-emission infrared assembly and a gas treatment assembly, wherein the particle detection assembly, the toxic and harmful gas detection assembly, the heat-emission infrared assembly and the gas treatment assembly are arranged in the shell; the gas outlet end of the gas compression assembly is respectively connected with the gas inlet end of the particle detection assembly and the gas inlet end of the toxic and harmful gas detection assembly; the gas outlet end of the particle detection assembly and the gas outlet end of the toxic and harmful gas detection assembly are both connected with the gas inlet end of the gas treatment assembly; the thermal infrared radiation assembly is rotatably connected to the top of the shell.
Further, the shell comprises a bottom shell and a supporting frame arranged in the bottom shell; the particle detection assembly comprises a gas compression chamber arranged on the support frame; the gas inlet end of the gas compression chamber is connected with the gas outlet end of the gas compression assembly; the gas outlet end of the gas compression chamber is connected with the gas inlet end of the gas processing assembly; and an electromagnetic valve is arranged on the air outlet end of the gas compression chamber.
Further, the particle detection assembly further comprises a laser source, a photosensor, and a pressure sensor; the pressure sensor is disposed in the gas compression chamber; the laser source is arranged on the side wall of the gas compression chamber; the gas compression chamber and the side wall opposite to the side wall provided with the laser source are provided with extinction holes; the photoelectric sensor is arranged at the bottom of the gas compression chamber.
Further, the toxic and harmful gas detection assembly comprises a detector; a partition plate is arranged between the detector and the gas compression chamber; a toxic and harmful gas sensor is arranged in the detector; the gas inlet end of the detector is connected with the gas outlet end of the gas compression assembly; and the gas outlet end of the detector is connected with the gas inlet end of the gas processing assembly.
Further, the shell also comprises a top cover arranged on the top of the bottom shell; the thermal infrared emission assembly comprises an infrared detector arranged at the top of the top cover and a driving assembly arranged in the top cover; the driving assembly penetrates through the top cover and is connected with the infrared detector.
Further, the driving assembly comprises a motor, a rotating shaft, a first gear and a second gear; the motor is arranged in the top cover; the first gear is arranged on a motor shaft of the motor; one end of the rotating shaft is connected with the second gear, and the other end of the rotating shaft penetrates through the top cover and is connected with the infrared detector; the first gear is in meshed connection with the second gear.
Further, the gas treatment assembly comprises a filter pipe and a filter element which are arranged at the bottom of the bottom shell; the filter element is arranged in the filter pipe; the air outlet end of the detector and the air outlet end of the gas compression chamber are both connected with the air inlet end of the filter pipe; the air outlet end of the filter pipe is provided with a pipeline; the pipeline penetrates through the bottom shell; the filter element is positioned between the air inlet end of the filter pipe and the air outlet end of the filter pipe.
Further, a control assembly is arranged in the top cover; the control assembly comprises a circuit board; the circuit board is respectively and electrically connected with the laser source, the photoelectric sensor, the pressure sensor, the toxic and harmful gas sensor, the infrared detector and the motor; the circuit board is provided with a communication assembly.
Further, the gas compression assembly comprises a gas compression pump; the gas inlet end of the gas compression pump is connected with the gas outlet end of the gas sampling assembly; a three-way valve is arranged at the gas outlet end of the gas compression pump; the air outlet end of the air compression pump is connected with the air inlet end of the three-way valve; and the air outlet end of the three-way valve is respectively connected with the air inlet end of the gas compression chamber and the air inlet end of the detector.
Further, the gas sampling assembly comprises a fan and a sampling pipe; the sampling pipe is arranged on the air inlet end of the fan; and the air outlet end of the fan is connected with the air inlet end of the air compression pump.
The beneficial effects of the utility model reside in that: with the particle detection subassembly, poisonous and harmful gas detects subassembly and the integration of hot infrared subassembly of penetrating in the casing, wherein, the particle detection subassembly can carry out the detection of sub-micron particle and the detection of poisonous and harmful gas with poisonous and harmful gas detection subassembly simultaneously, detection efficiency is faster, the particle detection subassembly can detect that hot infrared subassembly of penetrating can't detect the place when receiving the barrier and hindering, the gas treatment subassembly is used for carrying out filtration treatment with the particle detection subassembly with the gas that has poisonous and harmful gas to detect the subassembly combustion gas, avoid poisonous and harmful gas directly to discharge the external world, it is integrated in a casing with three kinds of detection subassemblies, the structure is compacter, high detection efficiency, the condition that reduces the erroneous judgement appears.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic view of a partial structure of a small environmental safety hazard early warning device in an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a block diagram of a gas detection process in an embodiment of the present invention;
fig. 4 is a control block diagram of a small-size environmental safety hidden danger early warning device in the embodiment of the present invention.
In the figure, 1, a housing; 7. a gas compression pump; 8. a fan; 11. a bottom case; 12. a support frame; 13. a top cover; 14. a partition plate; 21. a gas compression chamber; 22. an electromagnetic valve; 23. a laser source; 24. a photosensor; 25. a pressure sensor; 26. a light extinction hole; 31. a detector; 32. a toxic and harmful gas sensor; 41. An infrared detector; 42. a motor; 43. a rotating shaft; 44. a first gear; 45. a second gear; 51. a filter tube; 52. a filter element; 61. a circuit board; 71. and a three-way valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a small-sized environmental safety hidden danger early warning device, as shown in fig. 1 to 4, which comprises a gas sampling assembly and a gas compression assembly; the gas inlet end of the gas compression assembly is connected with the gas outlet end of the gas sampling assembly; comprises a shell 1, a particle detection assembly, a toxic and harmful gas detection assembly, a heat-emission infrared assembly and a gas treatment assembly, wherein the particle detection assembly, the toxic and harmful gas detection assembly, the heat-emission infrared assembly and the gas treatment assembly are arranged in the shell; the gas outlet end of the gas compression assembly is respectively connected with the gas inlet end of the particle detection assembly and the gas inlet end of the toxic and harmful gas detection assembly; the gas outlet end of the particle detection assembly and the gas outlet end of the toxic and harmful gas detection assembly are both connected with the gas inlet end of the gas treatment assembly; the thermal infrared radiation component is rotatably connected to the top of the shell 1.
The gas sampling assembly samples gas at each position in an environment, the gas compression assembly respectively pumps the gas at the collected position into the particle detection assembly and the toxic and harmful gas detection assembly, and the gas compression assembly continuously compresses the gas in the particle detection assembly to amplify invisible particles with the diameter of 0.002 mu m to be in the range of 10 mu m to 20 mu m into detectable water drops; and the poisonous and harmful gas is detected whether the poisonous and harmful gas exists in the gas. The object surface temperature in the range is surveyed in the rotatable scanning of hot infrared subassembly, or with the cooperation of particle detection subassembly, avoids the erroneous judgement, improves the accuracy nature of testing result, compact structure, detection efficiency is high.
In a further embodiment, the housing 1 includes a bottom shell 11 and a top cover 13. A control component is arranged in the top cover 13; the control assembly includes a circuit board 61; the circuit board 61 is electrically connected with the laser source 23, the photoelectric sensor 24, the pressure sensor 25, the toxic and harmful gas sensor 32, the infrared detector 41 and the motor 42 respectively; the circuit board 61 is provided with a communication component. Wherein, the communication mode requirement of the communication assembly is as follows: the system has the advantages of low power consumption, low cost, long transmission distance and high data transmission rate, a narrowband Internet of things NB-IoT mode is preferably adopted and is compatible with the LTE cellular network standard, and alternative Internet of things modes are wired Ethernet communication, Bluetooth, ZigBee, 802.15.4, weight-N, Wi-Fi and LTE Cat 0/1.
In the above embodiment, the communication module is connected to an external data center, and uploads monitoring data to the data center, where the monitoring data includes data information such as a particle concentration change curve, historical system state data, historical alarm data, and historical operation record data, and the data center analyzes and predicts a fire condition in a monitored site, and sends a fire early warning and alarm. The user can be connected with the data center through the mobile terminal, check corresponding monitoring signals and receive environmental safety monitoring and early warning information.
In a further embodiment, the gas compression assembly comprises a gas compression pump 7; the gas inlet end of the gas compression pump 7 is connected with the gas outlet end of the gas sampling assembly; a three-way valve 71 is arranged at the gas outlet end of the gas compression pump 7; the air outlet end of the air compression pump 7 is connected with the air inlet end of the three-way valve 71; the outlet end of the three-way valve 71 is connected to the inlet end of the gas compression chamber 21 and the inlet end of the detector 31. The three-way valve 71 is used for introducing gas pumped by the gas compression pump 7 into the particle detection assembly and the toxic and harmful gas detection assembly respectively, so that the particle detection assembly and the toxic and harmful gas detection assembly can detect gas at the same position at the same time, and the detection efficiency is high.
In a further embodiment, the gas sampling assembly comprises a blower 8 and a sampling tube (not shown); the sampling pipe is arranged on the air inlet end of the fan 8; the air outlet end of the fan 8 is connected with the air inlet end of the air compression pump 7. The sampling pipe is provided with an electromagnetic valve, the electromagnetic valve at the corresponding position is randomly called by an external control center to be started, and the fan 8 pumps the gas at the position to the gas compression pump 7 for subsequent detection.
In a further embodiment, the casing 1 comprises a support 12 arranged in a bottom shell 11; the particle detection assembly comprises a gas compression chamber 21 disposed on the support frame 12; the gas inlet end of the gas compression chamber 21 is connected with the gas outlet end of the gas compression assembly; the gas outlet end of the gas compression chamber 21 is connected with the gas inlet end of the gas processing assembly; an electromagnetic valve 22 is arranged on the gas outlet end of the gas compression chamber 21.
The particle detection assembly further comprises a laser source 23, a photosensor 24 and a pressure sensor 25; a pressure sensor 25 is provided in the gas compression chamber 21; the laser source 23 is arranged on the side wall of the gas compression chamber 21; the gas compression chamber 21 and the opposite side wall provided with the laser source 23 are provided with extinction holes 26; the photoelectric sensor 24 is disposed at the bottom of the gas compression chamber 21.
The fan 8 pumps the gas at the sampling pipe to the gas compression pump 7, the gas compression pump 7 pumps the gas into the gas compression chamber 21, the pressure sensor 25 detects the pressure in the gas compression chamber 21 in real time, and the gas is quickly released by opening the electromagnetic valve 22 when the pressure reaches a target state. Based on the basic principle of a Wilson cloud chamber, water vapor in gas expands instantly when the gas is released instantly, the temperature is reduced to reach a supersaturated state, and the water vapor in the supersaturated state generates condensation nuclei on particles, so that invisible particles with the minimum particle size of 0.002 mu m expand to form small water drops with the particle size of about 20 mu m; the light emitted by the laser source is irradiated on the water droplets to be refracted, the light which is not refracted is absorbed and extinguished by the extinction hole 26, the refracted light on the water droplets is absorbed by the photoelectric sensor 24 to form an electric signal, the electric signal firstly passes through a current-voltage conversion circuit unit to convert a current signal into a voltage signal of more than 100mV, the voltage signal passes through a signal amplifying circuit and is amplified to the extent that the voltage signal can be identified by an internal AD conversion circuit of the data analysis component, and the concentration of particles in the gas compression chamber 21 is calculated by using the light intensity information after the conversion and a particle concentration diagnosis algorithm. The calculated data are transmitted to an external control center through the communication assembly for calculation, and according to the calculation result, a light alarm, a moderate alarm or a heavy alarm is sent out.
In the above embodiment, the target pressure is: 30Kpa to 150 Kpa; preferably, the target pressure is: 50Kpa to 110 Kpa. The laser source 23 has a wavelength of 400-980nm and a power of 10-100 mw.
In a further embodiment, the toxic and harmful gas detection assembly includes a detector 31; a partition plate 14 is arranged between the detector 31 and the gas compression chamber 21; a toxic and harmful gas sensor 32 is arranged in the detector 31; the air inlet end of the detector 31 is connected with the air outlet end of the air compression assembly; the gas outlet end of the detector 31 is connected with the gas inlet end of the gas processing assembly. The poisonous and harmful gas includes but is not limited to formaldehyde, benzene, toluene, etc., and the poisonous and harmful gas sensor 32 is a corresponding gas sensor. After gas compression pump 7 extracts gas, squeeze into gas compression chamber 21 and detector 31 respectively with sample gas through three-way valve 71, poisonous and harmful gas sensor 32 detects the concentration that has poisonous and harmful gas in the detector 31 to with data through the communication subassembly send to in the outside control center, if poisonous and harmful gas appears then can send out the police dispatch newspaper, in time inform the staff to handle.
In a further embodiment, the casing 1 further comprises a top cover 13 disposed on top of the bottom shell 11; the thermal infrared emitting assembly comprises an infrared detector 41 arranged on the top of the top cover 13 and a driving assembly arranged in the top cover 13; the drive assembly passes through the top cover 13 and is connected to the infrared detector 41.
The driving assembly comprises a motor 42, a rotating shaft 43, a first gear 44 and a second gear 45; the motor 42 is disposed in the top cover 13; the first gear 44 is provided on a motor shaft of the motor 42; one end of the rotating shaft 43 is connected with the second gear 45, and the other end of the rotating shaft penetrates through the top cover 13 and is connected with the infrared detector 41; the first gear 44 is in meshing engagement with the second gear 45.
The motor 42 is started to drive the first gear 44 to rotate, and the first gear 44 and the second gear 45 are in meshing transmission, so as to drive the infrared detector 41 to rotate. Wherein the rotation angle of the infrared detector 41 is 0 to 270 °. The motor 42 may automatically rotate forward or backward by an external control center so that the infrared detector 41 can detect the surface temperature of the object in the area.
In the above embodiment, the infrared detector 41 is a feilel C3 infrared detector or a large vertical DM10 infrared thermal imager.
In a further embodiment, the gas treatment assembly comprises a filter tube 51 and a filter element 52 disposed at the bottom of the bottom shell 11; a filter element 52 is disposed in the filter tube 51; the gas outlet end of the detector 31 and the gas outlet end of the gas compression chamber 21 are both connected with the gas inlet end of the filter pipe 51; the air outlet end of the filter pipe 51 is provided with a pipeline; the pipeline passes through the bottom shell 11; the filter element 52 is located between the inlet end of the filter tube 51 and the outlet end of the filter tube 51. The filter element 52 uses a hydrophobic crystalline silica molecular sieve filter layer, which can adsorb toxic and harmful gases such as formaldehyde, benzene, toluene and the like, and the gas after adsorption treatment is directly discharged to the outside.
The following description, with reference to the above embodiments and accompanying drawings, exemplifies an application of a small-sized environmental safety hazard early warning device, and the application is as follows:
applications 1: the infrared detector 41 detects that the surface temperature of an object is too high, the temperature is fed back to an external control center, the external control center controls the opening of an electromagnetic valve of a sampling pipe at a corresponding position, a fan 8 pumps gas at the position into a gas compression pump 7, the gas compression pump 7 pumps the gas into a gas compression chamber 21 and a detector 31 through a three-way valve 71, when the gas in the gas compression chamber 21 is compressed to a target pressure, an electromagnetic valve 22 on the gas compression chamber 21 is opened, based on the principle of a Wilson cloud chamber, the gas expands water vapor in the gas instantly at the moment of release, the temperature is reduced to reach a supersaturated state, the water vapor in the supersaturated state generates nuclei on the particles, and therefore invisible particles with the minimum particle size of 0.002 mu m expand to be condensed into small water droplets with the particle size of about 20 mu m; the light emitted from the laser source 23 is irradiated on the water droplets to be refracted, the light which is not refracted is absorbed and extinguished by the extinction hole 26, the refracted light on the water droplets is absorbed by the photoelectric sensor 24 to form an electric signal, the electric signal firstly passes through a current-voltage conversion circuit unit to convert the current signal into a voltage signal of more than 100mV, the voltage signal passes through a signal amplifying circuit and is amplified to a degree that can be recognized by an internal AD conversion circuit of the data analysis component, and the concentration of the particles in the gas compression chamber 21 is calculated by using the light intensity information after the conversion through a particle concentration diagnosis algorithm. The particle concentration is compared with the thermal imaging data of the infrared detector 41, and if the particle concentration is within the no-alarm range, it is determined that the object is in a normal state, such as a hot water tank. If the particle concentration is not in the non-alarm range, corresponding alarm is given according to the particle concentration range, and prevention and treatment are carried out at the very early stage of fire occurrence, so that the fire is avoided. The detector 31 detects whether the gas exists or notThe alarm is given out when the poisonous and harmful gas exists, so that the working personnel can know and process the poisonous and harmful gas in time, and the harm of the poisonous and harmful gas to the personnel is avoided.
Application 2: when the infrared detector 41 is shielded by an obstacle, the infrared detector feeds back the gas to an external control center, the external control center controls the electromagnetic valve of a sampling pipe at a corresponding position to be opened, the fan 8 pumps the gas to the gas compression pump 7, the gas compression pump 7 pumps the gas into the gas compression chamber 21 and the detector 31 through the three-way valve 71, when the gas in the gas compression chamber 21 is compressed to a target pressure, the electromagnetic valve 22 on the gas compression chamber 21 is opened, based on the principle of Wilson cloud chamber, the water vapor in the gas expands instantly at the moment of release, the temperature decreases to reach a supersaturated state, and the water vapor in the supersaturated state can generate condensation nuclei on the particles, so that invisible particles with the minimum particle size of 0.002 μm can expand to form small water drops with the particle size of about 20 μm; the light emitted by the laser source is irradiated on the water droplets to be refracted, the light which is not refracted is absorbed and extinguished by the extinction hole 26, the refracted light on the water droplets is absorbed by the photoelectric sensor 24 to form an electric signal, the electric signal firstly passes through a current-voltage conversion circuit unit to convert a current signal into a voltage signal of more than 100mV, the voltage signal passes through a signal amplifying circuit and is amplified to the extent that the voltage signal can be identified by an internal AD conversion circuit of the data analysis component, and the concentration of particles in the gas compression chamber 21 is calculated by using the light intensity information after the conversion and a particle concentration diagnosis algorithm. The calculated data are transmitted to an external control center through the communication assembly for calculation, and according to the calculation result, a light alarm, a moderate alarm or a heavy alarm is sent out. The prevention and treatment are carried out in the very early stage of the fire, and the fire is avoided. The detector 31 detects whether toxic and harmful gas exists in the gas or not, and gives an alarm when toxic and harmful gas exists, so that the worker can timely know and process the toxic and harmful gas, and the harm of the toxic and harmful gas to the worker is avoided.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
1. A small-sized early warning device for potential safety hazards of the environment comprises a gas sampling assembly and a gas compression assembly; the gas inlet end of the gas compression assembly is connected with the gas outlet end of the gas sampling assembly; the method is characterized in that: the device comprises a shell, a particle detection assembly, a toxic and harmful gas detection assembly, a heat-emission infrared assembly and a gas treatment assembly, wherein the particle detection assembly, the toxic and harmful gas detection assembly, the heat-emission infrared assembly and the gas treatment assembly are arranged in the shell; the gas outlet end of the gas compression assembly is respectively connected with the gas inlet end of the particle detection assembly and the gas inlet end of the toxic and harmful gas detection assembly; the gas outlet end of the particle detection assembly and the gas outlet end of the toxic and harmful gas detection assembly are both connected with the gas inlet end of the gas treatment assembly; the thermal infrared radiation assembly is rotatably connected to the top of the shell.
2. The small environmental safety hazard early warning device according to claim 1, wherein the housing comprises a bottom shell and a supporting frame arranged in the bottom shell; the particle detection assembly comprises a gas compression chamber arranged on the support frame; the gas inlet end of the gas compression chamber is connected with the gas outlet end of the gas compression assembly; the gas outlet end of the gas compression chamber is connected with the gas inlet end of the gas processing assembly; and an electromagnetic valve is arranged on the air outlet end of the gas compression chamber.
3. The small environmental safety hazard early warning device according to claim 2, wherein the particle detection assembly further comprises a laser source, a photoelectric sensor and a pressure sensor; the pressure sensor is disposed in the gas compression chamber; the laser source is arranged on the side wall of the gas compression chamber; the gas compression chamber and the side wall opposite to the side wall provided with the laser source are provided with extinction holes; the photoelectric sensor is arranged at the bottom of the gas compression chamber.
4. The small environmental safety hazard early warning device according to claim 3, wherein the toxic and harmful gas detection assembly comprises a detector; a partition plate is arranged between the detector and the gas compression chamber; a toxic and harmful gas sensor is arranged in the detector; the gas inlet end of the detector is connected with the gas outlet end of the gas compression assembly; and the gas outlet end of the detector is connected with the gas inlet end of the gas processing assembly.
5. The small environmental safety hazard early warning device according to claim 4, wherein the housing further comprises a top cover arranged on the top of the bottom shell; the thermal infrared emission assembly comprises an infrared detector arranged at the top of the top cover and a driving assembly arranged in the top cover; the driving assembly penetrates through the top cover and is connected with the infrared detector.
6. The small environmental safety hazard early warning device according to claim 5, wherein the driving assembly comprises a motor, a rotating shaft, a first gear and a second gear; the motor is arranged in the top cover; the first gear is arranged on a motor shaft of the motor; one end of the rotating shaft is connected with the second gear, and the other end of the rotating shaft penetrates through the top cover and is connected with the infrared detector; the first gear is in meshed connection with the second gear.
7. The small environmental safety hazard early warning device according to claim 4, wherein the gas treatment assembly comprises a filter pipe and a filter element which are arranged at the bottom of the bottom shell; the filter element is arranged in the filter pipe; the air outlet end of the detector and the air outlet end of the gas compression chamber are both connected with the air inlet end of the filter pipe; the air outlet end of the filter pipe is provided with a pipeline; the pipeline penetrates through the bottom shell; the filter element is positioned between the air inlet end of the filter pipe and the air outlet end of the filter pipe.
8. The small environmental safety hazard early warning device according to claim 6, wherein a control assembly is arranged in the top cover; the control assembly comprises a circuit board; the circuit board is respectively and electrically connected with the laser source, the photoelectric sensor, the pressure sensor, the toxic and harmful gas sensor, the infrared detector and the motor; the circuit board is provided with a communication assembly.
9. The small environmental safety hazard warning device of claim 4, wherein the gas compression assembly comprises a gas compression pump; the gas inlet end of the gas compression pump is connected with the gas outlet end of the gas sampling assembly; a three-way valve is arranged at the gas outlet end of the gas compression pump; the air outlet end of the air compression pump is connected with the air inlet end of the three-way valve; and the air outlet end of the three-way valve is respectively connected with the air inlet end of the gas compression chamber and the air inlet end of the detector.
10. The small environmental safety hazard early warning device according to claim 9, wherein the gas sampling assembly comprises a fan and a sampling pipe; the sampling pipe is arranged on the air inlet end of the fan; and the air outlet end of the fan is connected with the air inlet end of the air compression pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131006.2U CN214150332U (en) | 2020-12-23 | 2020-12-23 | Small-size environmental safety hidden danger early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131006.2U CN214150332U (en) | 2020-12-23 | 2020-12-23 | Small-size environmental safety hidden danger early warning device |
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| Publication Number | Publication Date |
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| CN214150332U true CN214150332U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023131006.2U Active CN214150332U (en) | 2020-12-23 | 2020-12-23 | Small-size environmental safety hidden danger early warning device |
Country Status (1)
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| CN (1) | CN214150332U (en) |
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