13 results about "Smog chamber" patented technology

A combined-type smoke generator includes a shell. A battery is installed on one side of bottom inside shell, an electrode needle is installed on one side of top inside shell, an air pump is installed on the other side of bottom inside shell, a connecting assembly is installed on the other side of top inside shell, a smoke compartment is installed on the left side of top of shell, an air inlet is installed on the right side of the smoke compartment, a control assembly is installed on the front side of the shell, the top of the electrode needle is connected to the bottom of the smoke compartment, the battery is connected electrically to the electrode needle, the air pump is connected through the connecting assembly to the air inlet of the smoke compartment, and the control assembly is connected electrically to the battery and the air pump respectively.

A multi-sensor fire alarm device has a core (9) with a base (20) for engaging a ceiling and having a longitudinal axis. A cover (2) surrounds some of the core, and has vents (4, 204, 5, 205) to allow flow of ambient air radially inwardly into a first level (AF1) closest to the base and to flow (AF2) into a second level above the first level. An optical smoke chamber (160) is mounted centrally in the first level, and there are only two thermal probes on diametrically opposed sides near the vents in the second level. Air entering the second level is either directly incident on a thermal probe (50) or is deflected circumferentially towards it by a deflector (55) in the second level, and so there is only need for two probes. Guides provide air flow paths (150, 151, 152) from the first level to the smoke chamber Vents (204) for the first level have an insect-blocking mesh(204(a)) and vents (205) for the second level do not have such a mesh so that there is an open space for inflowing air without obstructions to affect temperature of the air.

The utility model provides a riveting-pressing straight-pushing type integrated smoke cartridge which comprises a main shell, a suction nozzle is arranged at the top end of the main shell, a smoke pipeline communicated with the suction nozzle is arranged in the main shell, an installation opening is formed in the bottom end of the main shell, and a base is arranged in the installation opening in a riveting-pressing mode. An air inlet pipeline is arranged in the center of the bottom end of the base; mounting holes are symmetrically formed in the left side and the right side, close to the air inlet pipeline, of the bottom end of the base, and electrodes are fixedly inserted into the mounting holes; a smoke chamber is arranged in the middle of the base, a ceramic core is inserted into the smoke chamber, and a cotton piece is connected to the top side of the ceramic core. The smoke chamber is arranged in the middle of the base, and the ceramic core and the cotton piece are mounted in the smoke chamber in a transverse insertion manner, so that the assembly difficulty is effectively reduced; the base and the main shell are connected in a riveting mode, the overall assembly process of the smoke cartridge is reduced, the overall production efficiency can be effectively improved, and the manufacturing cost can be effectively reduced.

A compact pipe or an insert assembly for smoking cannabis features an elongated pathway for smoke prior to entering the mouthpiece so as to cause smoke cooling and purification by removal of smoking debris along the pathway. An elongated serpentine groove is formed on the exterior of an elastic stem insert configured for insertion into a rigid outer shell during the pipe assembly. Elastic stem insert also serves to brush off smoke stains and deposits of smoke debris from the inside of the outer shell, making cleaning of the pipe easy and convenient. A smoke chamber is formed below the cannabis container to cause even distribution of air and smoke flow throughout the volume of cannabis to eliminate the need to frequently light up the pipe during use. An insert assembly is also described for use with bongs and other smoking implements.

The utility model discloses a twin outdoor foldable smog chamber, belongs to the technical field of atmospheric environment experimental equipment, and solves the problems that a smog chamber in the prior art is large in size and not easy to move, and atmospheric reactions under different environmental conditions are difficult to simulate and compare at the same time. The smog chamber comprises a support frame and two same independent box bodies, and the two box bodies are used for synchronously carrying out atmospheric reaction experiments; the box bodies are detachably supported on the supporting frame, and the two box bodies are arranged on the supporting frame side by side in parallel. The box body is arranged to be of a foldable structure, and when the box body is supported on the supporting frame, the box body is in an unfolded state; when the box body is detached from the supporting frame, the box body can be folded into a folded state. According to the smoke chamber disclosed by the utility model, the detachable and foldable twin box bodies are adopted, so that the smoke chamber combines portability, foldability and synchronous simulation experiment capability, and research on atmospheric photochemical reaction, pollutant change and the like in different outdoor environments is facilitated.

The present invention provides an open multi-reflection White cell infrared spectroscopic analysis system applicable to gas detection in a smog chamber, which includes a smog chamber, a Fourier transform infrared spectrometer and an industrial control computer, a multi-reflection White cell, a mirror, a pipeline and a lifting device, etc. The multi-reflection White cell includes a main mirror member, a secondary mirror member, a secondary mirror adjustment member, an incident and an exit parabolic mirror adjustment member, etc. The coupling methods between the spectrometer and the smog chamber mainly include an incident method, an exit method and a spectrometer installation method. In the incident method, by adjusting the plane mirror in the sample chamber, the modulated light is converged and incident on the smog chamber at a specific angle; in the exit method, through the turning of multiple plane mirrors, the exit light is guided back to the optical axis of the sample chamber; in the connection method, it is hermetically connected through a plane mirror mounting table and the smog chamber, and the spectrometer is hermetically connected to the mounting table through a pipeline; the spectrometer is mounted on a platform, and a lifting adjustment device is placed on the platform to ensure that the optical axis of the spectrometer is aligned with the optical axis of the smog chamber.

The utility model discloses a multi-angle adjustment protection device, and belongs to the technical field of outdoor atmosphere research of photochemical smog chambers. The device comprises a protection plate which comprises a plurality of protection plate devices; the main frame comprises an arc-shaped bracket, a protection plate track and a mounting platform; the arc-shaped bracket is mounted on the mounting platform; the protection plate track is installed on the arc-shaped support, and the protection plate device is installed on the protection plate track in a sliding mode. The adjusting mechanism comprises a top motor group, a bottom motor group, a lifting transmission part and an overturning transmission part; multi-angle adjustment is achieved through the main frame, the adjusting mechanism and the protection plate device, the illumination uniformity and the adaptability to complex environments are improved, and the problems that in the prior art, illumination intensity is not uniform, the opening and closing mode is not flexible, and adaptability is poor are solved; and stable and safe operation of the multi-angle adjustment protection device is realized through the locking device, and the problem of insufficient safety in the prior art is solved.

Smoke detector for enclosed spaces with a housing (10) in which a separate smoke chamber (4) with a smoke inlet opening (5) is partitioned, in which measuring electronics are arranged which generate an evaluable measurement signal when smoke particles are detected, with at least one IR transmitting diode (6, 8) arranged in the housing (10), the transmitting signals of which are guided by two spaced-apart, parallel, transparent light-guiding media (2, 3) to at least one IR receiving diode (7, 9), which is provided for receiving the transmitting signals from the at least one IR transmitting diode (6, 8), wherein the light-guiding media (2, 3) surround the smoke inlet opening (5), wherein a change in the received transmitting signals at the at least one IR receiving diode (7, 9) indicates at least partial covering of the smoke inlet opening (5) and / or particles in the smoke inlet opening (5) and generates a warning signal, wherein the smoke detector is designed such that covers and contaminants on the outside of one of the light-guiding media (2,3) alter the light-guiding properties and also a signal arriving at one end of the light-guiding medium (2,3) by coupling out part of the signal at a point on the cover and contaminant.

This utility model relates to the field of fire protection technology and discloses an easily adjustable smoke detector detection device, including a mounting hopper. A rectangular frame is fixedly connected to the lower end of the mounting hopper. The rectangular frame is divided into a smoke chamber and a filter chamber by a partition. A smoke generator is fixedly connected inside the smoke chamber. Two symmetrically mounted bases are rotatably connected inside the mounting hopper. A cleaning mechanism is detachably connected to each base. A drive mechanism for rotating the bases is fixedly connected to the outer wall of the mounting hopper. Two threaded holes are formed on the mounting hopper, and threaded caps are threaded onto each hole. A filter mechanism is detachably connected inside the filter chamber. A sealing component for sealing the filter chamber outlet is installed on the rectangular frame. A telescopic component is installed below the mounting hopper. This utility model allows for flexible adjustment depending on whether the smoke detector is installed on the ceiling or the wall, and filters the cleaned dust to prevent it from falling back onto the smoke detector.

The utility model discloses a photochemical simulation smog chamber, which relates to the technical field of atmospheric chemical reaction experiments and comprises a reaction system, a sample introduction system, a detection system and a control system, the reaction system comprises a base, a reaction cavity and a protective cover, and a gas detection device and an environmental parameter sensor are arranged in the reaction cavity. A light source is arranged on the inner wall of the reaction cavity and is an ultraviolet lamp, a high-voltage xenon lamp or a black light lamp; the sample introduction system comprises a gas distribution device, a sample introduction device and a gas extraction device; the detection system comprises a detector and a sampling channel capable of connecting and communicating the reaction cavity and the detector; the gas detection device, the environmental parameter sensor, the light source, the sample introduction system and the detector are all in communication connection with the control system, and the control system comprises an adjusting system capable of adjusting the environmental parameters of the reaction cavity. The photochemical simulation smog chamber provided by the utility model is high in experiment precision.

The present disclosure provides a sample injection method suitable for a smog chamber reactor, comprising: in the case that the sample to be injected is a gas, calculating a target pressure of the gas sample to be injected in a cylinder; injecting the first gas sample into the cylinder in a vacuum state, and stopping injecting the first gas sample into the cylinder when the pressure in the cylinder reaches the target pressure; injecting the first gas sample in the cylinder into the smog chamber reactor, so that the first gas sample in the smog chamber reactor reaches a first predetermined reaction reference concentration value. In the case that the sample to be injected is a liquid, calculating a target volume of the liquid sample to be injected in a liquid jacket; injecting the target volume of the liquid sample into the liquid jacket through a liquid inlet, so that the target volume of the liquid sample generates a second gas sample after vaporization in the liquid jacket; injecting the second gas sample into the smog chamber reactor, so that the second gas sample in the smog chamber reactor reaches a second predetermined reaction reference concentration value.

The present invention discloses a highly integrated synchronous simulation multi-pollutant smog chamber system and working method, which includes a smog chamber, an outer box body, a zero air generator, a solvent release unit, a biomass combustion furnace, a coal combustion furnace, an automobile exhaust emission collection unit, a temperature control unit, a humidity control unit, a plant emission collection unit, a multi-spectrum light source and an industrial control computer. The smog chamber is a square transparent box body, and the multi-spectrum light source is located outside the smog chamber. The solvent release unit includes a vacuum storage tank and a solvent beaker. The vacuum storage tank, the biomass combustion furnace, the coal combustion furnace, the automobile exhaust emission collection unit and the plant emission collection unit are also respectively connected to the smog chamber through pipelines. The temperature control unit includes a refrigeration unit and an electric heating tube. The humidity control unit, the electric heating tube and the evaporator of the refrigeration unit are all arranged inside the smog chamber. The present invention realizes a comprehensive simulation study on various changing factors in the atmospheric environment by integrating emissions from multiple pollution sources and precisely simulating the real light conditions in the environment.

A multi-sensor fire alarm device has a core (9) with a base (20) for engaging a ceiling and having a longitudinal axis. A cover (2) surrounds some of the core, and has vents (4, 204, 5, 205) to allow flow of ambient air radially inwardly into a first level (AF1) closest to the base and to flow (AF2) into a second level above the first level. An optical smoke chamber (160) is mounted centrally in the first level, and there are only two thermal probes on diametrically opposed sides near the vents in the second level. Air entering the second level is either directly incident on a thermal probe (50) or is deflected circumferentially towards it by a deflector (55) in the second level, and so there is only need for two probes. Guides provide air flow paths (150, 151, 152) from the first level to the smoke chamber Vents (204) for the first level have an insect-blocking mesh(204(a)) and vents (205) for the second level do not have such a mesh so that there is an open space for inflowing air without obstructions to affect temperature of the air.