169 results about "Carbon dioxide sensor" patented technology

The invention discloses a livestock and poultry health state intelligent evaluation method based on multi-sensor fusion and an AI prediction model, and belongs to the technical field of livestock breeding, and the method comprises the following steps: setting multiple types of sensors in a livestock and poultry breeding area, collecting multi-source data such as temperature, humidity, carbon dioxide concentration, ammonia gas concentration, illumination intensity, weight and current, and carrying out the analysis of the data; wherein the weight data is obtained through the weighing platform, and the current data is used for sensing the operation state of drinking, ingestion, ventilation or lighting equipment; various types of sensors such as temperature and humidity sensors, carbon dioxide sensors, ammonia gas sensors, illumination sensors, weight sensors and current sensors are deployed in livestock and poultry breeding areas, all-directional data acquisition of environments and behavior states is realized, and dynamic modeling and feature extraction of key behavior nodes are realized by introducing a deep neural network structure of a gating circulation unit and an attention mechanism.

The embodiment of the invention provides a continuous blood oxygen monitoring system in extracorporeal circulation and a control method thereof. The continuous blood oxygen monitoring system comprises a vein sensor, an artery sensor, a blood flow sensor, an oxygen sensor, a carbon dioxide sensor, a controller and a display, the vein sensor monitors the vein blood oxygen saturation degree; the artery sensor monitors arterial oxygen saturation and hematocrit; the blood flow sensor monitors the blood flow of the artery pipeline; the oxygen sensor monitors the oxygen concentration of the oxygenator; the carbon dioxide sensor monitors the carbon dioxide concentration of the oxygenator; the display provides an interaction control, responds to a trigger operation acting on the interaction control, sends an interaction instruction to the controller, and updates information displayed in an interaction interface according to the control of the controller; the controller receives the interaction instruction and executes processing corresponding to the interaction instruction; the processing includes controlling display information of the display; the display information comprises information corresponding to the monitoring parameters. The scheme ensures the safety and effectiveness of the treatment process.

A system may include a flow valve coupled to a gas inlet of a landfill gas system and a pump coupled to the flow valve and configured to draw gas from the landfill gas system via the gas inlet. The system may further include an oxygen sensor comprising at least one laser configured to detect oxygen concentration in the gas, a carbon dioxide sensor comprising at least one infrared light source configured to detect carbon dioxide concentration in the gas, and / or one or more chemical sensors configured to sense concentrations of a respective one or more chemicals in the gas. A microprocessor may determine sensed data including at least the oxygen concentration, the carbon dioxide concentration, concentrations of the one or more chemicals, the static pressure, the atmospheric pressure, and / or a differential pressure, and communicate the sensed data to a mobile control device.

The invention belongs to the technical field of expiration detection, and particularly relates to an intelligent expiration tail end gas sampling device and method. The device specifically comprises a shell, a circuit board, a carbon dioxide sensor, a pressure sensor, a baffle, a top cover, a suspension plate, an air pump, a relay, a breathing mask, a mask connector with an internal small cavity, a thermal desorption tube, a TD tube, a Bluetooth module, an air path channel, a silicone tube and the like. End-expiratory gas collection is achieved through accurate triggering and flow control, and dead space gas mixing is avoided; collected gas is directly enriched into a thermal desorption (TD) adsorption tube, so that the loss of VOCs in the transmission and storage process is reduced; and through quantitative sampling volume control and an optimized pipeline material / structure, the adsorption / release and background pollution of the device body to the sample are reduced, so that the representativeness and sensitivity of sampling and the repeatability among different operators / different places are improved.

The invention relates to a medical device for evaluating physiological parameters of a respiratory system, and the device comprises a sampling device which is used for collecting detected exhaled gas after a rising inflection point of carbon dioxide; the gas sensor comprises a nitric oxide sensor and a carbon dioxide sensor; the processor is used for receiving the gas signal generated by the gas sensor; the processor is configured to establish a linear expression for calculating a risk parameter R according to the detected carbon dioxide concentration and nitric oxide concentration; the linear expression of the risk parameter R is shown in the specification; wherein the parameter is set as a constant; the parameter is nitric oxide concentration; the parameter is carbon dioxide concentration; and the parameter is a nitric oxide dynamic change rate function. Compared with the prior art, the method provided by the invention provides a more comprehensive evaluation capability for airway inflammation and abnormal ventilation.

The invention belongs to the technical field of granary access control, and particularly relates to an intelligent granary access control system which comprises an environment sensing module, an identity recognition module, a processing control module and an execution and feedback module. The environment sensing module is used for collecting environment parameter data at the entrance of the granary in real time and comprises a phosphine sensor, an oxygen sensor and a carbon dioxide sensor; according to the invention, by fusing the technical characteristics of the hydrogen phosphide sensor, the oxygen sensor and the carbon dioxide sensor, the environmental safety is comprehensively evaluated, and compared with the dependence of a single sensor, the accuracy and reliability of environmental state judgment are remarkably improved, and the occurrence of false alarms and missing alarms is effectively prevented. Due to the fact that a control logic process of'absolute priority of environmental safety 'is adopted, the technical characteristic ensures that personnel safety is put at the first place under any condition, which is a core guarantee of high safety of the system, and the effect of the system is directly reflected as protection of life safety.

The utility model belongs to the technical field of bird breeding, and relates to a multi-sensor controlled intelligent parrot brooding box which comprises a cuboid box body, a sensor box arranged on the inner side wall of the box body and opposite to a box door, a control display box arranged above the box door, and an air inlet fan arranged above the outer side wall of the box body. The switching power supply box is fixed on the inner side wall of the box body and is communicated with the air inlet fan; the ultrasonic humidifier is arranged on the side wall of the box body; wherein two ends of the sensor box are respectively provided with a sensor box air inlet hole and a sensor box air outlet hole, the built-in air filtering sponge covers the sensor box air inlet hole, and the sensor box air inlet fan is fixedly arranged at one end where the sensor box air inlet hole is located and is adjacent to the air filtering sponge; the temperature and humidity sensor and the carbon dioxide sensor are arranged on the inner wall of the sensor box; a single-chip microcomputer is arranged in the control display box, and a liquid crystal screen is arranged outside the control display box. The environment in the brooding box is intelligently controlled through the single chip microcomputer, and the growth and development and breeding production efficiency of nestlings is improved.

The utility model discloses a low-concentration infrared carbon dioxide sensor probe which comprises a shell, a PCB (Printed Circuit Board), an infrared light source, a detector, a gas chamber mounting seat and a gas chamber upper cover, the air chamber upper cover is arranged at the bottom of an inner cavity of the shell, the air chamber mounting seat is arranged in the inner cavity of the shell and located above the air chamber upper cover, the infrared light source and the detector are arranged in the air chamber mounting seat and electrically connected with the PCB, the PCB is located at the top end of the air chamber mounting seat, and the air chamber mounting seat is arranged in the air chamber mounting seat. The inner cavity of the air chamber upper cover and the bottom wall of the air chamber mounting seat form an air chamber, and the bottom wall of the air chamber mounting seat is provided with a light source mounting hole for an infrared light source to pass through and a light outlet hole for a detector to receive infrared light. The utility model provides a low-concentration infrared carbon dioxide sensor probe which can improve the detection precision of low-concentration carbon dioxide.

The invention relates to a spectral analysis-based breeding air quality detection system, which comprises: a sensor module for detecting the concentration of ammonia gas, carbon dioxide and dust in a breeding environment in real time, the sensor module comprising: an ammonia gas sensor for quantitatively detecting the absorption characteristic of ammonia gas to light with a specific wavelength; the carbon dioxide sensor is used for measuring the concentration by adopting non-dispersive infrared light and utilizing the characteristic that carbon dioxide absorbs infrared light; the dust sensor is used for calculating the dust concentration by measuring the light scattering condition of particulate matters in the air; the data processing module is used for receiving detection data from the sensor module; according to the breeding air quality detection system based on spectral analysis and the detection method thereof, various pollutants can be accurately monitored on the basis of a modern spectral analysis technology, and real-time monitoring and dynamic adjustment of a breeding environment are realized through an intelligent data processing and automatic control mechanism, so that the health of bred animals is guaranteed, and the breeding production efficiency is improved.

The present application belongs to the technical field of factory planting of mushrooms, and particularly relates to a climate control system and method based on the growth and metabolism of mushrooms in a mushroom house, which comprises: a supply air temperature sensor, a supply air relative humidity sensor, a supply air carbon dioxide sensor, a supply air volume sensor, a house temperature sensor, a house relative humidity sensor, a house carbon dioxide sensor, a mushroom house climate control module, a house supply air distribution pipe, a pressure-regulated air outlet, mushroom culture material, a mushroom house air conditioning device, a supply air pipe, a return air pipe, a mushroom house, and a mushroom planting bed frame. The present application measures and calculates the metabolic rate, the release rate, and the parameter value of the water vapor and carbon dioxide release ratio in the mushroom house by measuring relevant climate parameters, and optimally controls the climate in the mushroom house based on the state of these growth and metabolism parameters, so that the climate control parameters in the mushroom house are matched with the growth and metabolism parameters of the mushrooms, and the goal of high-quality, high-yield, and low-consumption mushroom planting is achieved.

The invention provides a mine greenhouse gas emission monitoring system and a carbon emission climate influence calculation method, and the system comprises a sensor assembly which is integrated with a methane sensor, a carbon dioxide sensor, a wind speed sensor, an environmental parameter sensor and a data collection processor. The methane sensor and the carbon dioxide sensor emit laser signals to the oppositely arranged reflectors and receive laser feedback signals reflected by the reflectors, and a methane concentration detection value and a carbon dioxide concentration detection value are determined according to the laser feedback signals; the environmental parameter sensor detects the temperature, air pressure and humidity in the roadway; the wind speed sensor detects the wind speed in the roadway; and the data acquisition processor corrects the methane concentration detection value and the carbon dioxide concentration detection value according to the wind speed, the temperature, the air pressure and the humidity to obtain a methane concentration value and a carbon dioxide concentration value in the roadway. The methane concentration value and the carbon dioxide concentration value obtained by the scheme have higher accuracy, and basic measurement data are provided for calculating the emission of methane and carbon dioxide in a mine.

The invention discloses a stationary pollution source carbon emission continuous monitoring device, and relates to the technical field of air pollution detection, the stationary pollution source carbon emission continuous monitoring device comprises a case and a driving assembly, one side of the case is fixedly provided with a monitor main body, the bottom of the case is provided with a fixed pipe, and the outer side of the lower end of the fixed pipe is rotatably connected with a reversing pipe; and filters are arranged in the two ends of the reversing pipe. When the carbon emission content of a pollution source is monitored, the motor is started firstly, the sliding seat is driven to reciprocate through the double-output-shaft speed reducer and the reciprocating lead screw, the piston rod slides in one cavity in the case in a reciprocating mode, and therefore the air pressure change in the case is adjusted; the inside of one end of the reversing pipe is communicated with the inside of the case through the fixing pipe, so that external to-be-detected gas can be sucked into the case through the first one-way valve, and at the moment, the carbon dioxide sensor probe on the monitor main body can monitor the carbon content of the air.

The invention relates to the technical field of air conditioning, in particular to a management system for centralized control of air conditioners, which comprises an environment sensing module for acquiring the real-time concentration reading of a carbon dioxide sensor, establishing the current CO2 concentration value, judging the general situation of personnel and generating a regional state evaluation result. According to the method, the personnel density is judged by obtaining the carbon dioxide concentration reading in real time, the regional personnel activity state is evaluated, meanwhile, the reasonable temperature and fresh air volume benchmark is set according to the particulate matter pollution level, and the pertinence of air quality control is enhanced. And the determination mode of the air conditioning demand intensity is refined through quantitative calculation of the health and comfort difference, so that the adjustment of the temperature and the fresh air volume better meets the actual demand. The priority of the temperature or the fresh air volume is dynamically judged based on the air conditioning demand intensity, the control weight serves as a quantitative reference, the flexibility of an adjusting strategy is reasonably improved, and the hysteresis of a traditional static control mode is avoided.

The utility model discloses a grain situation insect gas pipeline air tightness automatic diagnosis system, which comprises an in-bin gas path system and an insect gas detection system, the in-bin gas path system comprises a plurality of gas path channels, and each gas path channel comprises an in-bin gas collecting pipe, an in-bin pipe outlet device, a control ball valve and a gas pipe connector, the in-bin gas collecting pipe, the in-bin pipe outlet device, the control ball valve and the gas pipe connector are connected in sequence; the insect gas detection system comprises an insect detection channel and a gas detection channel, the in-bin gas path system is connected with the insect detection channel and the gas detection channel through a first T-shaped tee joint, and the insect detection channel comprises an insect detection ball valve, an insect detection counting module, an insect collection bottle and a large air pump; the gas measuring channel comprises a gas measuring solenoid valve, a first filter, a replacement solenoid valve, a second filter, a one-way throttle valve, a carbon dioxide sensor, an oxygen sensor, a phosphine sensor, a diagnosis solenoid valve and a small gas pump. According to the utility model, the functions of real-time detection of gas in the granary, pest detection, counting, statistics and early warning, gas path pressure detection, gas tightness diagnosis and the like can be realized.

The invention discloses an anti-freezing shallow groundwater monitoring system and method.The anti-freezing shallow groundwater monitoring system comprises a heat preservation water tank, a detection mechanism and a temperature control mechanism, a heat preservation layer is arranged on the outer side of the heat preservation water tank, and the top of the heat preservation water tank is connected with a water supply pipeline; the detection mechanism comprises a water quality analyzer, a carbon dioxide sensor, a first temperature sensor and a liquid level sensor, and a probe of the water quality analyzer, the carbon dioxide sensor, the temperature sensor and the liquid level sensor are arranged in the water tank and used for detecting underground water; the temperature control mechanism comprises a heating piece arranged at the bottom of the heat preservation water tank, a controller and a second temperature sensor arranged on the inner wall of the water tank, and the controller is electrically connected with the heating piece and the second temperature sensor to control the temperature of the heat preservation water tank. The anti-freezing shallow groundwater monitoring system provided by the invention has the advantages of adaptability to severe cold weather, low energy consumption and high reliability.

The application relates to a sampling device, in particular to a sampling device for real-time continuous analysis of end-exhaled air. The sampling device comprises first to fourth three-way valves, a first sampling ring, a second sampling ring, an air suction pump, a purge gas pipeline, an exhaled air pipeline, a carbon dioxide sensor and an analysis detector; the air inlets of the first sampling ring and the second sampling ring are connected with the purge gas pipeline through the first three-way valve and connected with the exhaled air pipeline provided with the carbon dioxide sensor through the second three-way valve; the air outlets of the first sampling ring and the second sampling ring are connected with the analysis detector through the third three-way valve and connected with the air suction pump through the fourth three-way valve; through linkage switching of the first to fourth three-way valves, the first sampling ring and the second sampling ring alternately carry out sampling and sampling, real-time accurate sampling of end-exhaled air in each breathing cycle and continuous sampling analysis are realized. The application has high time resolution, accurate end-exhaled air sampling and constant volume, and good consistency of detection results.

The application relates to a 220kV power high-voltage insulation cable fault non-electricity on-line detection device and a detection method, which comprises a high-voltage insulation cable, a high-purity nitrogen gas inlet module and a non-electricity on-line detection module arranged at two ends of the high-voltage insulation cable, and the outermost protective layer of the high-voltage insulation cable is respectively connected with an air inlet joint and an air outlet joint; the nitrogen gas inlet module is connected with the air inlet joint; the non-electricity on-line detection module comprises an air outlet pipe connected with the air outlet joint, and a low-molecular hydrocarbon gas sensor, a carbon dioxide sensor, a carbon monoxide sensor and a palladium shan hydrogen-sensitive sensor are sequentially arranged on the air outlet pipe along the gas flow direction. The characteristics that fault characteristic gas is generated when the high-voltage insulation cable is in fault are utilized, the fault characteristic gas filled in the multi-layer gap space of the high-voltage insulation cable is detected in a targeted manner, whether the high-voltage insulation cable is in fault or has hidden dangers is judged, and the high-voltage insulation cable in live operation can be timely and on-line detected.

The invention belongs to environment monitoring equipment, and particularly relates to a granary anti-mildew intelligent monitoring system based on multi-environment parameter fusion, which comprises a decision-making layer, a communication layer and a control execution layer, and is characterized in that the system further comprises a hardware layer, and the hardware layer comprises a sensing module, a display module, a control module and a main control module; the main control module adopts an ESP8266 chip as a main controller, the sensing module adopts a gasScnsor methane sensor CH4, a carbon dioxide sensor CO2, a temperature and humidity sensor DHT11, a concentration sensor VOCS, a display module OLED, a control module ACSource and a display module OLED, and the above components are connected with each other to form the granary anti-mildew intelligent monitoring system, so that the deficiency of multi-physical-quantity coupling analysis of mildew in grain storage is solved, and the detection accuracy is improved. The problem of staticizing a control strategy is solved, data fusion of temperature, humidity and various gas parameters of grains in a granary is realized, intelligent linkage control with a ventilation system is realized, and grain loss and economic loss are reduced.

The utility model discloses an edible mushroom planting cultivation room, which belongs to the technical field of edible mushroom planting, and is characterized by comprising a cultivation room body, a door body is arranged on the front side of the cultivation room body, and a controller is arranged on the front side of the cultivation room body. A temperature and humidity sensor and a carbon dioxide sensor are arranged on the front side of the interior of the cultivation room body, the humidification mechanism is arranged, and the water tank and the controller are arranged on the front side of the cultivation room body, so that the cultivation room is far away from an internal humid and moisture-rich environment, corrosion of moisture to structures such as the controller is effectively reduced, and the service life of equipment is prolonged; meanwhile, a user does not need to enter the cultivation room body to operate the devices, the risk that infectious microbes are brought in due to frequent entering and exiting is reduced, the operation process is simplified, the use efficiency is improved, a water pump, an electric push rod and a spray head in the humidification mechanism are used in cooperation, and humidification operation on the interior of the cultivation room body can be achieved.

This invention discloses a respiratory mask with multi-parameter detection capabilities, comprising: a main body of the respiratory mask and multiple sensors connected thereto; the multiple sensors include at least a carbon dioxide sensor, a pH sensor, and a ketone body sensor, used to detect the carbon dioxide concentration, pH value, and ketone body value in the patient's exhaled gas, respectively; the main body of the respiratory mask is provided with a one-way inlet valve and a one-way outlet valve, the one-way outlet valve being connected to one end of the outlet pipe to guide the exhaled gas to the outlet pipe; the carbon dioxide sensor and the ketone body sensor are both connected to one end of the outlet pipe; the main body of the respiratory mask is provided with a condensation structure to condense water vapor in the exhaled gas into condensate, and the condensate is transported to the pH sensor for detection through a condensate collection pipe. This invention can simultaneously detect multiple parameters, is simple and convenient to operate, and has high sensitivity, which helps to improve the accuracy of disease diagnosis.

The utility model belongs to the technical field of spirulina cultivation equipment, and particularly discloses a spirulina cultivation liquid carbon source supplementing device which comprises a supplementing cover, a first ventilation pipe and a second ventilation pipe are connected to the lower portion in the supplementing cover, a plurality of air outlet holes are formed in the first ventilation pipe and the second ventilation pipe, and the first ventilation pipe is connected with an air supply pipe. The second breather pipe is connected with a circulating pipe, the other end of the circulating pipe is connected with a fan, the fan is connected with an exhaust pipe, the exhaust pipe is communicated with the top of the supplementing cover, a carbon dioxide sensor is installed on the exhaust pipe, an electromagnetic gas valve is installed on the gas supply pipe, the carbon dioxide sensor is in communication connection with the controller, and the electromagnetic gas valve is controlled by the controller. The first ventilation pipe and the second ventilation pipe are arranged below the liquid level of the breeding liquid and provided with the air outlet holes, carbon dioxide is introduced into the breeding liquid, the contact time and the contact area of carbon dioxide gas and the breeding liquid can be increased in the floating process of the carbon dioxide, and the carbon dioxide absorption efficiency of the breeding liquid is improved.

The invention discloses a carbon dioxide continuous monitoring system and a monitoring method thereof, and particularly relates to the technical field of power plant monitoring. The system comprises a narrow smoke pipe, the top end of the outer wall of the narrow smoke pipe is communicated with a main valve, the top end of the main valve is provided with a connecting pipe, and the top end of the connecting pipe is provided with a bidirectional adjusting part; according to the bidirectional adjusting part, a branch valve is fixedly installed at the bottom end of the connecting pipe in a communicating mode, the bottom end of the branch valve communicates with a vertical pipe, and a wide pipe is fixedly installed on the outer wall of the vertical pipe. High-pressure flue gas in the narrow smoke pipe enters the vertical pipe through the main valve, the connecting pipe and the branch valves, so that the carbon dioxide sensor vertically moves downwards along the wide pipe for monitoring, the high-pressure flue gas of a power plant is used as moving power, carbon dioxide adjusting and monitoring are more energy-saving, energy consumption and monitoring cost are effectively reduced, and monitoring efficiency is improved. Therefore, the problems that high pressure in the narrow flue is difficult to carry out dynamic continuous adjustment monitoring on carbon dioxide and the monitoring energy-saving performance is poor are solved.

The utility model discloses an intelligent monitoring tissue culture room for flower plants, which comprises a culture room box body, a seedling raising pipe, a seedling raising bed, a nutrient solution supplementing device, a circulating irrigation mechanism, a light supplementing lamp, a ventilation fan and a controller, the seedling raising pipe and the seedling raising bed are respectively arranged at the upper end and the lower end of the culture room box body, and the nutrient solution supplementing device is connected with the seedling raising pipe. The circulating irrigation mechanism is arranged on the seedling culture bed, the ventilation fan is arranged on the side wall of the culture room box body, and the light supplementing lamp is arranged at the top of the culture room box body. The seedling raising pipes and the seedling raising beds are respectively arranged at the upper end and the lower end of the culture room box body, so that flower specification culture areas can be reasonably distinguished, and the space utilization and culture efficiency is improved; meanwhile, the carbon dioxide sensor and the ventilation fan as well as the illumination intensity sensor and the light supplementing lamp are in linkage regulation and control, intelligent monitoring and automatic regulation and control of the culture environment can be realized, stable and controllable growth conditions are provided for flowers and plants, and thus the culture efficiency and the plant quality of the flowers and plants are improved.

The invention relates to the technical field of packaging film degradation testing, and discloses a testing device for detecting degradation performance in degradable flexible packaging film production, which comprises a main body and an outer cylinder. When the soil is pushed by the first arc-shaped rings, the compactness between the soil can be weakened through sliding of the first arc-shaped rings, pores between the soil can be increased, by reducing the thickness and looseness of the soil around the thin film, carbon dioxide generated when the thin film is degraded can be promoted to penetrate through the thin soil to rapidly rise, and therefore the soil can be degraded. Furthermore, the retention time of the carbon dioxide in the soil can be shortened, the accuracy of the infrared carbon dioxide sensor in detecting the carbon dioxide concentration and the degradation performance is improved, and the accuracy in degradation detection and the subsequent detection efficiency are improved.

An animal containment and automatic release enclosure is disclosed featuring a unitary structure providing a secure interior space for animals. The enclosure incorporates ventilation apertures, enabling the animal to access fresh air for breathing and ventilation. Environmental sensors in wireless communication with a personal device continuously monitor the enclosure's conditions, ensuring the animal's well-being. Wirelessly controlled enclosure doors, operated by an electric enclosure door control device, provide convenient access to the enclosed animal. The system further integrates external sensors, such as a carbon monoxide sensor for monitoring external CO levels, a moisture detection pad sensor to identify liquid accidents, and a temperature sensor to regulate internal temperature. The enclosure is designed to cater to various environments, including those with potential carbon monoxide exposure, making it suitable for use in multiple settings. It can be employed by veterinarians, law enforcement personnel, military professionals, security experts, pet owners, and animals trained for specific tasks. Additionally, remote access is possible through a personal communication device.

A device for determining measurement values describing the function of the lungs or the respiratory system of a patient includes a mouthpiece including a tube for introducing respiratory air and for sucking in air, and a gas measurement space. At least one of the following gas sensors is arranged in the gas measurement space: nitrogen monoxide sensor, carbon dioxide sensor, oxygen sensor, carbon monoxide sensor, multi-gas sensor, sensor for volatile organic compounds, alkane sensor, infrared sensor, fiber optic sensor, resistance sensor, and semiconductor sensor. The gas measurement chamber is separated by a closable opening into a first gas measurement chamber and a second gas measurement chamber, the second gas measurement chamber being closed or closable. The closable opening opens a flow path from the first gas measurement chamber into the second gas measurement chamber. A gas sensor is arranged in the second gas measurement chamber.

The invention provides a wheat breeding experimental device and method convenient for simulating and controlling environmental conditions, and the device comprises a climate chamber, the climate chamber is internally provided with a control system, and the control system can adjust the illumination, temperature, humidity and carbon dioxide concentration of the climate chamber. A temperature and humidity sensor, a carbon dioxide sensor and an illumination sensor which are electrically connected with the control system are also arranged in the climate chamber; the control system comprises an illumination simulation mechanism, a temperature and humidity adjusting mechanism and a carbon dioxide concentration adjusting mechanism, a power shaft used for driving the illumination simulation mechanism, the temperature and humidity adjusting mechanism and the carbon dioxide concentration adjusting mechanism is further arranged in the climate chamber, and the power shaft is in transmission connection with a power motor. The illumination simulation mechanism, the temperature and humidity adjusting mechanism and the carbon dioxide concentration adjusting mechanism can be regulated and controlled through the power shaft, the illumination, the temperature, the humidity and the carbon dioxide concentration of the climate chamber can be adjusted, and the device can be used for simulating climate characteristics of different regions.

The application provides a gas concentration control device, belonging to the field of full-automatic microbial adaptive evolution instrument gas concentration control, to solve the problem that the full-automatic microbial adaptive evolution instrument cannot control the gas concentration, comprising a circuit control board and a bottom plate, a storage battery, a gas pump and a circulating pump are connected to the circuit control board, a first electromagnetic valve is connected to the output end of the gas pump through a silica gel pipe, the output end of the first electromagnetic valve is connected to a first three-way pipe through a PU pipe, and the first three-way pipe is connected to a second three-way pipe through a PU pipe. The application is provided with a circulating pump; the gas circulating in the culture bin can be circulated through the gas circulating pipeline, the gas concentration in the culture bin can be detected in combination with a carbon dioxide sensor and an oxygen sensor, when the fluctuation range of the set gas concentration is exceeded, the automatic control is realized through the circuit control board, and the gas concentration is adjusted, so that the stable culture of small system microorganisms is realized.

The utility model relates to sensor technical field especially relates to a carbon dioxide sensor, including sensor component, sensor component fixedly connected on the lifting assembly, sensor component, sensor component includes the casing, the air chute that establishes in the casing is passed through the casing to be offered to the casing top, the piston is slidably connected in the air chute, the first trachea and the second trachea are symmetrically connected in the air chute side, the first trachea and the second trachea all are linked with the sealed cavity, the sensor body is provided in the sealed cavity. The utility model discloses through the piston sliding in the air chute by the air cylinder drive, thereby can suck the air in the external environment into the air chute, the air chute is linked with the sealed cavity, thereby the external air can enter the sealed cavity, and the air of the other end of piston is pushed out, can clean the dust on the filter screen, has the effect of initiative inhalation and dust cleaning, and the practicality is better.

The invention relates to the technical field of intensive care units, in particular to an animal ICU intensive care unit carbon dioxide removing system and a control method.The animal ICU intensive care unit carbon dioxide removing system comprises an ICU unit body, a circulating pump, a gas washing bottle, a pressure sensor and a controller, the ICU unit body is provided with a gas inlet and a gas outlet, a circulating fan in the ICU unit body is started, and the carbon dioxide sensor detects the concentration of carbon dioxide in the unit body in real time; comparing the concentration with a preset concentration; when the concentration of the carbon dioxide is higher than the preset concentration, the controller starts the circulating pump, the circulating pump extracts air in the ICU cabin into the gas washing bottle for gas washing, the carbon dioxide in the air is removed, and the gas-washed air flows back to the ICU cabin; when the carbon dioxide sensor detects that the concentration of carbon dioxide in the cabin is lower than the preset concentration, the controller closes the circulating pump, the system eliminates carbon dioxide in an ICU cabin body'internal circulation 'mode, it is avoided that traditional'external circulation' blows to dilute the concentration of carbon dioxide in the inner cabin and disturb the environment of the inner cabin, and it is guaranteed that the temperature, humidity and oxygen concentration in the monitoring cabin are in the constant environment.