30 results about "Carbon dioxide sensor" patented technology

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 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.

This electronic whiteboard system incorporates an automatic air conditioning control system that remotely controls a demand control board and can reduce the total power consumption and CO2 emissions of the entire facility by more than 30% compared to pre-registered actual water, energy, and heat usage values. [Solution] In an electronic whiteboard system, a demand control board, which is retrofitted to the indoor and outdoor units of an air conditioner and equipped with a CO2 sensor and a schedule timer, has a schedule timer that can change the control rate between peak time and other times, a CO2 sensor that controls up to 80% according to the indoor CO2 concentration, a demand control and linkage function that works in conjunction with existing demand control to achieve up to 80% reduction in air conditioning power consumption, and a smartphone app linkage function that allows facility managers to check the CO2 concentration, temperature, and humidity for each area on their smartphones. By installing this board, power consumption will be reduced by 50%, exceeding the government's CO2 reduction target, and the reduction results will be published in real time using an electronic whiteboard.

The utility model belongs to crude oil exploitation equipment technical field relates to a kind of carbon dioxide concentration detection device of crude oil pipeline, by three-phase flow main pipeline and gas pipeline, liquid level detection module, valve, filter screen, carbon dioxide sensor, gas detection module, air extraction module, control and data processing system and air extraction pipeline composition.When liquid level detection module detects that liquid level reaches or exceeds predetermined threshold, automatically close two side valves, prevent liquid to flow into gas pipeline.When gas pipeline inner gas pressure reaches the gas pressure of carbon dioxide sensor normal work, through data and control system control closing air extraction pump and valve;Again open carbon dioxide sensor, record the carbon dioxide concentration of gas pipeline at this time, and calculate carbon dioxide density.The utility model detection device, carbon dioxide concentration and density can be effectively on-line detected in crude oil exploitation and storage and transportation process, and through automatic control and protection measures, improve the safety and reliability of system.

A demand-adapting and auto-regulatory ECMO system and method is disclosed that may be configured to provide complete cardiopulmonary replacement. The system and method employ a blood gas exchanger having a blood inlet, a blood outlet, a gas inlet, and a gas outlet, an oxygen sensor positioned to detect oxyhemoglobin saturation at the blood inlet, and a carbon dioxide sensor positioned to detect exhaust gas CO2 concentration at the gas outlet. A controller communicates with the oxygen sensor and the carbon dioxide sensor and controls blood flow and gas flow through the blood gas exchanger in response to a sensed oxygen level by the oxygen sensor and a sensed carbon dioxide level by the carbon dioxide sensor, in turn maintaining the sensed oxygen level and the sensed carbon dioxide level within a pre-designated range of values to maintain a patient's metabolic requirements.

This utility model discloses a self-cleaning gas analyzer exhalation tube, including a cleaning tube connected to the outlet of a high-pressure gas cylinder. An exhalation pipe is inserted into the end of the cleaning tube, and a monitoring tube is connected to the side curved surface of the exhalation pipe. A carbon dioxide tester for monitoring carbon dioxide concentration is installed on the monitoring tube, and an electric valve for monitoring the internal air pressure of the cleaning tube is installed on the cleaning tube. A controller is electrically connected between the carbon dioxide tester and the electric valve. A carbon dioxide sensor is installed inside the carbon dioxide tester. The carbon dioxide sensor collects the carbon dioxide concentration inside the monitoring tube in real time. This embodiment, through a dual-tube design, achieves simultaneous monitoring and testing, and promptly triggers comprehensive cleaning of each tube, integrating cleaning and disinfection, simplifying the cleaning process, preventing cross-infection, and achieving a faster cleaning rate.

Ventilation outlet including a passive body, humidity control, actual flow measurement, energy recovery, contextual CO2 sensor, self-cleaning filter, multi-criteria safety, universal communication architecture and durable surface treatments, enabling reduced power consumption, optimized air renewal, decreased maintenance and extended component life.

The utility model discloses a carbon dioxide sensor convenient to installation, including sensor main part and mounting seat, the top central of mounting seat is established with one press groove, the inboard vertical slide connection of one press groove has one press block, and the bottom fixed connection of one press block has the I -section block, and the one end contact of I -section block and plug rod, the inboard of mounting seat of one press block one side is established with two press grooves, and the inboard vertical slide connection of two press grooves has the cross board, and the both sides fixed connection of cross board's top has two press blocks and spacing rod, the utility model discloses the spacing of setting clamping block and front baffle to sensor main part is limited, and only needs to press the surface of mounting seat to sensor main part when installing, need not the operation of redundancy, is very suitable in the occasion of needing frequent overhaul and dismounting and uses.

This utility model discloses a soybean germination device, relating to the field of soybean cultivation technology. It includes a germination box, a fan, a misting humidifier, and a controller. The germination box is divided into multiple germination chambers by partitions. Each germination chamber contains a soybean seedling tray and is equipped with a temperature sensor, a humidity sensor, and a carbon dioxide sensor. The fan outlet is connected to a main ventilation pipe, which is connected to multiple branch ventilation pipes via multiple distribution valves. Each branch ventilation pipe corresponds to one germination chamber and is equipped with a heating wire. The misting humidifier is connected to multiple germination chambers via multiple flexible hoses, each hose equipped with a solenoid valve. This utility model allows for independent and precise control of multiple germination chambers, ensuring the required temperature, humidity, and gas environment for soybean germination, improving germination rate and quality. It has a reasonable structure, is easy to operate, and is suitable for large-scale soybean germination.

A mud gas venting system includes a first valve connected to a mud return line and to a hydrocarbon mud gas separator. A vent of the separator is connected to a vent line having an outlet at a greater elevation than any part of a drilling rig occupied by personnel. The vent line has a hydrocarbon sensor and a CO2 sensor. A second valve connects the return line and a CO2 mud gas separator. A vent of the CO2 mud gas separator is connected to a vent line having an outlet disposed at a lower elevation than any part of the drilling rig occupied by personnel. The vent line has a second hydrocarbon sensor and a CO2 sensor. A controller is in communication with the first valve, the second valve, and the CO2 sensors. The controller opens the first valve and closes the second valve when CO2 concentration drops below a threshold. The controller closes the first valve and opens the second valve when the CO2 concentration exceeds the threshold.

This invention relates to a integrated reconfigurable smart biophysiological and biophysical sensors platform that can be used in biomedical measurements to increase patient comfort, reduce workload, facilitate data analysis, and obtain more accurate and faster results, comprising; sensors and probes consisting of ECG and EEG electrodes, EMG sensors, carbon dioxide sensor, spirometer sensor, ultrasound probe, spectrophotometer sensor, oximeter sensor, thermistor or thermocouple and pressure sensors (1), an analog-digital converter (2) that converts analog signals from sensors and probes (1) into digital data, a microprocessor (1) that manages all functions of the device, collecting, filtering and analyzing data from sensors and probes (3), a data communication module (4) that enables the transmission of data collected by the device to a computer, mobile device or cloud-based system using Bluetooth, Wi-Fi, ZigBee wireless protocols and a data storage module (5) that allows the data collected by the device to be temporarily or permanently recorded on a memory chip or flash memory (5).

The application discloses a device and method for monitoring forest litter decomposition rate, which comprises a sealed monitoring container, an internal sampling part for placing litter samples, and integrated gas concentration sensors, carbon dioxide sensors and carbon removal modules with carbon removal functions. The carbon removal module is connected with a weighing module for monitoring the carbon dioxide absorption amount through mass change. The application realizes quantitative evaluation of the litter decomposition process by real-time collection of dynamic changes of gas concentration in the monitoring space, combination of temperature and humidity environmental factors, and use of a decomposition rate correlation model constructed based on the principle of microbial metabolism. Compared with the traditional mass difference method, the application can effectively shield external environmental interference, realize in-situ, high-frequency and accurate real-time monitoring, and provide scientific data support for forest ecosystem carbon cycle research.

A catheter sensor assembly for use in conjunction with electronic catheter guidance systems is provided and includes a catheter and a sensor. The catheter extends in a longitudinal direction and has a proximal end and a distal end that define a lumen therebetween. Further, the catheter is configured for placement within a digestive tract or respiratory tract of a patient. The sensor includes a carbon dioxide sensor, pressure sensor, or both, and can be located in an air sampling chamber connected to the catheter. The sensor can communicate with a processor to deliver carbon dioxide and / or pressure readings to a display device, which can indicate placement of the catheter in the digestive tract or in the respiratory tract. A catheter guidance system and a method for accurately placing a is also provided.

The utility model provides a kind of radiation air conditioner terminal acquisition device, including the independent multiple parameter perception unit for collecting indoor environmental parameters being arranged in indoor, the air conditioning system perception unit for collecting air conditioning system internal operation parameter being arranged in air conditioning system inside, the thermal imaging camera for obtaining indoor heat source being arranged in indoor, the data communication end of thermal imaging camera, temperature and humidity sensor and carbon dioxide sensor, first temperature sensor, first flow sensor, second temperature sensor, second flow sensor is respectively connected with the data communication end communication connection of first central processing module, can obtain the influencing factor condition of influencing radiation air conditioner terminal operation in time, i, indoor environmental parameters, air conditioning system operation parameter, indoor heat source parameter, improve the comprehensiveness of radiation air conditioner terminal information acquisition.

There is described a mandibular advancement device, MAD (10). The MAD (10) comprises an upper member and a lower member. The upper member is configured to adapt to the maxilla of the user. The lower member is configured to adapt to the mandible of the user. The MAD (10) comprises a carbon dioxide sensor (30) configured to measure carbon dioxide of exhaled and / or inhaled breath.

The present application relates to the technical field of spirulina culture, and discloses a preparation method of a photobiological photoreactor, which comprises the following steps: arranging a carbon dioxide sensor and an oxygen sensor in a transparent tank to collect a carbon dioxide concentration difference and an oxygen concentration difference in the transparent tank through the carbon dioxide sensor and the oxygen sensor; connecting an edge computing module with the carbon dioxide sensor and the oxygen sensor respectively to calculate a preset carboxylation enzyme carboxy oxygen ratio of spirulina in the transparent tank through the carbon dioxide concentration difference and the oxygen concentration difference; connecting the edge computing module with a growth control module in the transparent tank to configure an instruction generation function of the edge computing module for converting the preset carboxylation enzyme carboxy oxygen ratio into a regulation instruction of the growth control module; and after the transparent tank, the carbon dioxide sensor, the oxygen sensor, the edge computing module, the growth control module and the instruction generation function are deployed, the preparation of the photobiological photoreactor is realized. The present application can meet the real photosynthetic metabolism demand of spirulina.

This utility model relates to a smart container for edible fungi, comprising: a container body; a controller; a temperature sensor electrically connected to the controller, capable of sensing the temperature inside the container body and transmitting the sensed temperature to the controller; a humidity sensor, capable of sensing the humidity inside the container body and transmitting the sensed humidity to the controller; a carbon dioxide sensor, capable of sensing the carbon dioxide concentration inside the container body and transmitting the sensed carbon dioxide concentration to the controller; a temperature adjustment device, capable of adjusting the temperature inside the container body under the control of the controller; a humidity adjustment device, capable of adjusting the humidity inside the container body under the control of the controller; and a ventilation system, capable of adjusting the carbon dioxide concentration inside the container body under the control of the controller. This utility model enables real-time monitoring and precise control of the environmental conditions inside the container, thereby providing optimal environmental protection for the growth of edible fungi.

This invention provides a soil and water carbon dioxide detection device, relating to the field of environmental gas detection technology. It includes a plastic housing containing a carbon dioxide sensor, a temperature and humidity compensation module, and a wireless transmission module. One end of the plastic housing has a detection channel leading to the carbon dioxide sensor, and one end of the detection channel is sequentially connected to a first waterproof and breathable membrane and a second waterproof and breathable membrane. By incorporating two waterproof and breathable membranes at the detection end, this invention effectively prevents corrosion from moisture and blockage by particles, thereby improving the sensor's measurement accuracy. The nylon outer shell also prevents corrosion from acidic soil, thus increasing the device's lifespan and reducing maintenance costs.

The utility model discloses an intelligent livestock and poultry house deodorization effect monitoring system, the monitoring system comprises a monitoring equipment box and a temperature and humidity sensor, the monitoring equipment box is used for respectively monitoring gas at an air inlet and an air outlet of deodorization equipment, the monitoring equipment box comprises an air inlet and an air outlet, a pipeline is connected between the air inlet and the air outlet, and the pipeline is communicated with the temperature and humidity sensor. An electromagnetic valve, a gas-water separation filter, a micro air pump, a glass rotameter, a particulate matter impurity filter, a carbon dioxide sensor, an ammonia gas sensor and a hydrogen sulfide sensor are sequentially arranged in the pipeline; the carbon dioxide sensor, the ammonia gas sensor, the hydrogen sulfide sensor and the temperature and humidity sensor transmit collected data to the data processing module through an RS485 bus, and the data processing module is electrically connected with the deodorization device, the electromagnetic valve and the micro air pump. Through the sensor array and the communication module, real-time collection of environmental data before and after deodorization is achieved, deodorization equipment is automatically started and stopped according to a standard reaching result, and compared with a traditional system, energy consumption is reduced.

This application relates to the field of signal processing technology, specifically a multi-parameter monitor for pest infestation in grain storage and a method for predicting pest infestation in grain storage. The multi-parameter monitor includes a temperature and humidity measurement component distributed at different locations along the axial direction of the monitor's main body; used to measure the ambient temperature and humidity at different depths inside and outside the grain storage and / or inside the grain pile; a sound measurement component distributed at different locations along the axial direction of the monitor's main body; multiple sound sensors used to collect environmental audio signals from multiple locations inside and / or outside the grain storage, including insect activity sounds and background noise; a gas measurement component including an oxygen sensor and a carbon dioxide sensor, the oxygen sensor measuring the oxygen concentration in the environment, and the carbon dioxide sensor measuring the carbon dioxide concentration in the environment; and a main control panel connected to the temperature and humidity measurement component, the sound measurement component, and the gas measurement component via a data bus.

The application discloses a kind of museum environment wireless monitoring systems, comprising: several temperature sensors, be arranged in different positions in museum, for monitoring temperature in museum;Several humidity sensors, be arranged in different positions in museum, for monitoring humidity in museum;Several smoke inductors, be arranged in different positions in museum, for monitoring smoke concentration in museum;Several carbon dioxide sensors, be arranged in different positions in museum, for monitoring carbon dioxide concentration in museum;Central controller is respectively communicated with temperature sensor, humidity sensor, smoke inductor and carbon dioxide sensor, for the processing of monitoring data and the remote control of temperature sensor, humidity sensor, smoke inductor and carbon dioxide sensor.The application can improve the deficiency of prior art, under the premise of not affecting normal monitoring, prolong the service life of sensor.

The invention relates to the field of refrigeration equipment, specifically to devices for monitoring the state of the refrigeration units. The device comprises a set of sensors that monitor the content of gases emitted by food products during storage, means for transmitting sensor signals to a controller (11) that analyzes gas sensor signals and transmits analysis results to external devices. The set of sensors includes a hydrogen sulfide sensor (1), an ammonia sensor (2), a carbon dioxide sensor (3), an ozone sensor (4), a VOC sensor (5), a temperature sensor (6), a moisture sensor (7), a vibration sensor (8), and a sound sensor (9). The technical effect of the invention is the creation of an autonomous device for continuous monitoring of the general condition of the refrigeration units, enabling early detection of food spoilage and equipment malfunctions.

This utility model discloses a carbon-reducing air purifier, which includes a main housing with a perforated plate, a front panel movably connected to the main housing, an adsorption chamber containing carbon dioxide adsorption material, and an electrical control box connected to a display screen. The main housing contains a silent fan, a pre-filter, a wind deflector, a photocatalytic filter, a HEPA filter, a carbon dioxide separator, and a negative ion generator. The lower-stage carbon dioxide separator membrane is connected to an inlet pipe and an outlet pipe, with the outlet pipe connected to the negative ion generator. The upper-stage carbon dioxide separator membrane is movably connected to the adsorption chamber via a carbon dioxide conduit with a membrane assembly at its end. Both the carbon dioxide conduit and the exhaust port are equipped with carbon dioxide sensors. A liquid recovery pipe is connected to the lower part of the adsorption chamber. The carbon dioxide sensors, carbon dioxide separator, silent fan, and negative ion generator are all connected to the electrical control box. This utility model is easy to operate and maintain, has high carbon dioxide separation efficiency, facilitates recovery, and ensures adsorption efficiency.

A measuring device for determining the CO2 content in the exhaled air of a living being, for example, a person or a mammal. The device may have a measuring tube defined by a wall, said measuring tube having an air inlet and an air outlet, with an inlet and an air outlet, with a CO2 measuring device having a sensor pot which is in fluid communication with the measuring tube. The sensor pot extends through the wall of the measuring tube into the interior of the measuring tube, wherein the diameter of the measuring tube is reduced in the region of the sensor pot. The sensor pot is substantially open towards the measuring tube, such that the sensor pot is configured for direct measurement of the CO2 content of air exhaled through the measuring tube, past the sensor pot.

The application relates to the technical field of carbon dioxide sensors of porous materials, in particular to a microwave CO2 sensor based on C 60 @MAF-66, a manufacturing method and a detection method thereof, the manufacturing method comprises the following steps: S1, selecting two complementary split ring resonator loaded half-mode substrate integrated waveguides as a sensing circuit; S2, dispersing C 60 @MAF-66 in ethanol to form a slurry; S3, coating the slurry in the step S2 on a resonator electric field concentration area, and obtaining a microwave CO2 sensor after drying and solidification. The microwave CO2 sensor obtained by the application can effectively prevent competitive adsorption of sulfur dioxide and corresponding deviation of carbon dioxide.

The utility model relates to carbon dioxide capture technology field, specifically disclose a kind of carbon dioxide capture device, comprising: pretreatment mechanism, pretreatment mechanism includes flue gas exhaust pipe and is installed on the pretreatment component of flue gas exhaust pipe, pretreatment component includes temperature regulating equipment, desulfurization bin and dust bin, carbon capture mechanism, carbon capture mechanism includes the second transmission elbow pipe connected in the lower surface of dust bin, the second transmission elbow pipe is connected with absorption bin away from dust bin one end, absorption bin inside includes amine base compound solution;The device can realize the effect of absorbing carbon dioxide by cooperating with physics and chemistry by setting temperature regulating equipment, desulfurization bin and the pretreatment component of dust bin and absorption bin, finally carbon dioxide sensor detects that carbon dioxide content in flue gas is qualified only to automatically open electromagnetic valve and carry out smoke exhaust operation.