86 results about "Carbon dioxide monitoring" patented technology

A respiratory device is disclosed that optimizes delivery of oxygen and detection of carbon dioxide to a user through the use of a flexible lever arm and mouthpiece which may be adjusted to deliver the oxygen toward the user's oral and nasal cavities, and detect carbon dioxide, exhaled by the user, from a separate orifice of the mouthpiece. The lever is supported by a rotatable adapter attached to a head mounted brace. The adapter can rotate through 180° for placement of the lever on either side of the user's head. The adapter is hinged to eliminate occluding and kinking during rotation. A hose having tubular members therein delivers the gases to and from the user. The hose traverses through the lever arm and adapter, terminating at the lever arm into the mouthpiece. The mouthpiece has a plurality of ports for fluid flow. The hose terminates at the other end in gas detection and delivery equipment. The hose may be segmented or one continuous piece.

A gas delivery, evacuation and respiratory monitoring system comprises a face mask having an inflow flapper valve and a fresh-gas inflow tube and an exhaust-gas outflow tube and a gas sampling tube, a fresh gas source and an exhaust-gas scavenging system, a fresh gas supply tube operative coupling the fresh gas source and the face mask, an exhaust-gas hose operatively coupling the scavenging system and exhaust-gas outflow tube, a carbon-dioxide monitoring device, also known as a capnograph and a carbon-dioxide sampling tube operative coupling the capnograph and the exhaust-gas sampling tube of the mask.

An oropharyngeal device for insertion into the mouth of a patient. The device includes a body having a distal end and a proximal end with a flange formed at the proximal end. The distal end is inserted into the mouth until the flange is disposed outside and adjacent to the patient's mouth. The flange keeps the proximal device from entering the mouth. The body is sized such that the distal end of the body is disposed within the pharynx above the epiglottis. The device includes a channel that forms an airway between the ends. The device also includes at least three separate conduits integrated into the body for administering oxygen, suctioning, and for assessing ventilation thorough end-tidal carbon dioxide monitoring. The conduits for oxygenation and suctioning extend through the body between its proximal and distal ends. The conduit for end-tidal carbon dioxide monitoring terminates within the channel.

An oropharyngeal device for insertion into the mouth of a patient. The device includes a body having a distal end and a proximal end with a flange formed at the proximal end. The distal end of the body is inserted into the mouth of the patient until the flange at the proximal end is disposed outside and adjacent to the patient's mouth. The flange keeps the proximal device from entering the mouth. The body is sized such that the distal end of the body is disposed within the pharynx above the epiglottis. The device includes a channel through the body that forms an airway between its proximal and distal ends. The device also includes at least three separate conduits integrated into the body for administering oxygen, suctioning, and for assessing ventilation through end-tidal carbon dioxide monitoring. The conduits for oxygenation and suctioning extend through the body between its proximal and distal ends. The conduit for end-tidal carbon dioxide monitoring extends along and is attached to a side wall of the channel and terminates within the channel.

A patient respiratory mask having a shell and a patient cushion for supplying oxygen during an endoscopic or bronchoscopic procedure. The mask has a first port for accepting an endoscope, a second port for accepting oropharyngeal suction, and an optional third port for carbon dioxide monitoring. The first and second ports are covered by preferably flexible, perforated diaphragms for maintaining the seal integrity during oxygen therapy.

The invention discloses a large-range carbon dioxide monitoring system based on a wireless sensor network, which comprises a monitoring server. The monitoring server is connected with a plurality of carbon dioxide monitoring devices at different positions in an atmospheric environment in a wireless mode; the carbon dioxide monitoring devices comprise power modules, microprocessors, carbon dioxidemonitoring sensors connected with the microprocessors, and wireless radio frequency transceiver modules; the power modules supply power to the whole carbon dioxide monitoring devices; the carbon dioxide monitoring devices are mutually connected and communicate through the respective wireless radio frequency transceiver module. The invention carries out large-range unified monitoring on the content of carbon dioxide in complex environments and places through the multi-hop mechanism of the wireless sensor network, improves the accuracy of carbon dioxide measurement by utilizing a parsing algorithm, overcomes the problem of high difficulty of real-time accurate large-range carbon dioxide monitoring and is suitable for various large-range complex environments.

An oral airway providing a patent airway to a patient, supplies oxygen to the patient and monitors expelled gases during endoscopic or intubating procedures. The oral airway includes a central lumen and two lateral breathing channels. A bracket at the proximal end of the oral airway functions to guide an oxygen supply line and an end tidal carbon dioxide monitoring line into the lateral breathing channels and to act as a barrier beyond which the airway cannot be inserted into the mouth of the patient. The airway has a straight main central lumen which serves as a guide and conduit to facilitate endoscope, bronchoscope, or fiber optic bronchoscope placement and manipulation.

The invention relates to a real-time monitoring system and a method for carbon dioxide geological storage based on a wireless sensor network and belongs to the field of carbon dioxide remote real-time monitoring. The real-time monitoring system comprises a monitoring server, a plurality of remote data repeaters respectively connected with the monitoring server through a GPRS (General Packet Radio Service) wireless communication network, and a plurality of carbon dioxide monitoring instruments which are wirelessly interconnected in a star-shaped local area network structure by taking all the remote data repeaters as the center, wherein each remote data repeater comprises a power module, a microcontroller, short-range wireless receiving modules respectively connected with the microcontroller, an SD (Secure Digital) storage module, an LCD (Liquid Crystal Display) module and a GPRS wireless transmission module, and each carbon dioxide monitoring instrument comprises a power module, a microcontroller, monitoring well sensor groups respectively connected with the microcontroller, a GPS (Global Positioning System) positioning module and a short-range wireless transmitting module. According to the system and method provided by the invention, the monitoring requirements of wide-range dispersion and small-scale dense distribution of carbon dioxide geological storage monitoring wells are taken into account, and the system is simple in structure, flexible in stationing, capable of realizing remote real-time wireless transmission and real-time display, and low in cost and power consumption.

The invention discloses a device for detection of the carbon dioxide content in urban air, which comprises an air intake pipe, a ventilation pipe, a detection pipe, a carbon dioxide sensor, an air pump and an air outlet pipe. Dozens or hundreds of carbon dioxide monitoring points are arranged in an urban area for detection of carbon dioxide, a monitoring network is formed via coupling through telecommunication lines, and detection data of each monitoring point are summarized to a master monitoring station for analysis and treatment. The carbon dioxide detection device is vertically arranged on the outer wall of a high-rise building, air at different heights is collected through a plurality of air intake pipes, the collected air is delivered to the detection pipe through the ventilation pipe and the air pump, the content of carbon dioxide in the air is detected by the carbon dioxide sensor in the detection pipe, and the automated control and the storage, processing, display and transmission of testing data are carried out by the detector for the carbon dioxide content in the urban air. The device has the advantages of large measuring range, high accuracy, long service life, simple structure, automatic control, easiness in installation, synchronous detection, internetworking transmission, reliability in operation, real-time data display, low manufacturing cost and the like.

The present invention relates to a carbon dioxide monitoring apparatus for vehicles, and to a carbon dioxide management system and carbon dioxide management method using same. It is an aim of the present invention to provide a carbon dioxide monitoring apparatus for vehicles, as well as a carbon dioxide management system and a carbon dioxide management method using same, which enable drivers and passengers to visually check the amount of carbon dioxide emitted by vehicles to alert the drivers and passengers to the emission of carbon dioxide, and which compensate vehicle owners for reducing the emission of carbon dioxide by maintaining a constant travel speed or the like, thereby correcting driving habits and reducing the emission of carbon dioxide, thus achieving environmentally-friendly fuel-saving effects. To accomplish the aim, the carbon dioxide monitoring apparatus for vehicles according to the present invention comprises: a microcomputer (110) in which identification numbers of vehicles are stored; detection means for detecting travel-related information from vehicles in accordance with the control of the microcomputer; arithmetic operation means for calculating the amount of CO2 reduction by comparing the amount of CO2 emitted, obtained from the travel-related information, to standard fuel efficiency; transmitting / receiving means for transmitting / receiving arithmetic operation information on the amount of CO2 emitted through a wired or wireless system; an external output port (150) for outputting the arithmetic operation information on the amount of CO2 emitted and travel-related information stored in the microcomputer (110) to the outside; and a display (160) for displaying the arithmetic operation information on the amount of CO2 emitted on a real-time basis.

The invention relates to an air passage block and an end-expiratory carbon dioxide monitoring module manufactured by adopting the same. In the invention, an air outlet chamber communicated with a vacuum pump component and an air inlet chamber communicated with a carbon dioxide concentration measurement component are arranged in an air passage block body; the air outlet chamber is provided with anair hole communicated with the outside by two parts, the air inlet chamber is provided with an inner side air hole communicated with the outside by two parts respectively and an outer side air hole communicated with the outside by one part, and the outer side of the outer side air hole is also provided with a blind hole which is communicated with the outside by two parts and is not communicated with the air inlet chamber; and a connecting pipe used for generating pressure drop is arranged between the air outlet chamber and the air inlet chamber. As complicated pipeline connection is omitted, the pressure and the flow rate loss of gas expired by a patient is reduced when being transmitted in the monitoring module, and the measurement of carbon dioxide expired by the patient is more accurate. By arranging the connecting pipe used for generating pressure drop, a pressure difference is provided to measure the flow rate, and the whole structure and the installation are simplified. A pressure difference sensor adopts the connection of a flexible PCB plate and a main PCB plate, which obviously saves the space; the vibration damping performance of the vacuum pump component is reliable.

The present invention relates to a modular chemiresistive sensor. In particular, a modular chemiresistive sensor for hypergolic fuel and oxidizer leak detection, carbon dioxide monitoring and detection of disease biomarkers. The sensor preferably has two gold or platinum electrodes mounted on a silicon substrate where the electrodes are connected to a power source and are separated by a gap of 0.5 to 4.0 μM. A polymer nanowire or carbon nanotube spans the gap between the electrodes and connects the electrodes electrically. The electrodes are further connected to a circuit board having a processor and data storage, where the processor can measure current and voltage values between the electrodes and compare the current and voltage values with current and voltage values stored in the data storage and assigned to particular concentrations of a pre-determined substance such as those listed above or a variety of other substances.

The invention discloses an evaporative cooling air conditioning system based on carbon dioxide monitoring and cooling quantity cascade utilization. The system is composed of an evaporative cooling air conditioning unit, a carbon dioxide monitoring device, an air feeding pipe and an air returning pipe, wherein air is fed on the upper portion and air returns on the lower portion, outdoor air is processed by the evaporative cooling air conditioning unit to reach the air supplying state point and fed into a room by an air feeding fan so that waste heat and excess moisture in the room can be absorbed, and the temperature and humidity requirement in the room can be met; the carbon dioxide monitoring device is arranged in the room, the carbon dioxide monitoring device is in linkage with a new air returning valve through a control cabinet, and the ratio of new air to return air is automatically adjusted; low-temperature secondary air of an indirect evaporative cooler is exhausted to a roof through a secondary air exhaust pipe, a low-temperature air lake is formed on the roof, and therefore cooling loads formed by heat transfer of the roof can be lowered. According to the evaporative cooling air conditioning system, not only can good indoor air quality be guaranteed, but also energy can be fully utilized, and the system has the advantages that energy is saved, and the system is environmentally friendly and economical.

The invention discloses a remote wireless real-time greenhouse environment monitoring system and a remote wireless real-time greenhouse environment monitoring method and belongs to the field of remote real-time carbon dioxide monitoring. The monitoring system comprises a monitoring server, a plurality of remote data repeaters which are respectively connected with the monitoring server through a general packet radio service (GPRS) wireless communication network, and a plurality of greenhouse environment monitoring instruments which are wirelessly interconnected in a star-shaped local area network structure by taking each remote data repeater as the center, wherein each remote data repeater comprises a power module, a microcontroller, as well as a short-range wireless receiving module, a SD storage module, a liquid crystal display (LCD) module and a GPRS wireless transmission module which are respectively connected with the microcontroller; and each greenhouse environment monitoring instrument comprises a power module, a microcontroller, as well as a greenhouse environment sensor group, a global position system (GPS) positioning module and a short-range wireless transmitting module which are respectively connected with the microcontroller. The monitoring requirements of wide-range discretization and narrow-range dense distribution in the greenhouse environment are considered, and the monitoring system is simple in structure, flexible in point distribution, remote, real-time, wireless in transmission, real-time in display, low in cost and low in power consumption.

Provided is a greenhouse device monitoring growth factor of a plant factory and a monitoring method thereof. The device and the method are applied in a greenhouse. The greenhouse device comprises a carbon dioxide monitoring module, an ozone monitoring module, and an ethylene monitoring module. The carbon dioxide monitoring module monitors carbon dioxide concentration in the greenhouse. The ozone monitoring module monitors ozone concentration in the greenhouse. Ozone treatment is performed on the greenhouse through the ozone supplied by the ozone monitoring module. The ethylene monitoring module monitors ethylene concentration in the greenhouse.

The invention relates to an anti-haze baby carriage comprising a compartment, a roof, wheels and a push handle; the wheels are arranged on the bottom of the compartment; the push handle is connected on the compartment; the roof is arranged above the compartment, and the rear end of the roof is a rotary stackable structure; the compartment is a fully enclosed structure, comprises an inner layer and an outer layer, and a hollow interlayer is formed; the outer layer of the compartment is provided with a fresh air inlet; a filter is arranged in the fresh air inlet; the hollow interlayer is provided with a fresh air blower matched with the fresh air inlet; the inner layer of the compartment is provided with an air inlet and an air outlet; the outer layer of the compartment is provided with an exhaust fan; the exhaust fan and the air outlet are connected through an exhaust pipe; the inner layer of the compartment is provided with a carbon dioxide monitoring alarm device; the roof is provided with an emergency ventilation curtain connected with the carbon dioxide monitoring alarm device and a controller. The anti-haze baby carriage can satisfy normal travelling needs, and can provide clean and comfortable compartment air environment under a bad outdoor air quality condition; the anti-haze baby carriage is safe and reliable.

Various embodiments are directed to oxygenation masks having a plurality of tubes detachably secured to the oxygenation mask, wherein the plurality of tubes comprise an oxygen tube configured to supply oxygen gas received from an oxygen source to the patient via the oxygenation mask and an end-tidal carbon dioxide return tube configured to direct a portion of the patient's exhaled breath, comprising carbon dioxide, away from the oxygenation mask and to an end-tidal CO2 monitoring device. Accordingly, the oxygenation mask may be configured to supply oxygen to a patient while concurrently monitoring the breath metabolism rate of the patient by collecting a portion of the patient's exhaled breath in a gas return tube which is in fluid communication with an ETCO2 monitoring system.

The invention provides a surgical anesthesia pain perception monitor capable of more accurately testing physiological indexes such as neural activity in the surgical anesthesia process of a patient. The surgical anesthesia pain perception monitor comprises a laser Doppler sensing device (2), an electrocardiogram monitoring device (3), a respiratory monitoring device (4), a pulse monitoring device (5), a peripheral nerve signal monitoring device (6), a central venous blood pressure monitoring device (7), an end-tidal carbon dioxide monitoring device (8), an invasive arterial blood pressure monitoring device (9) and a non-invasive arterial blood pressure monitoring device (10) which are all electrically connected with a central processor (1), and also comprises a power supply used for supplying power to each electric component.

The invention relates to a carriage carbon dioxide concentration control system and a control method. The compartment carbon dioxide concentration control system comprises a control unit, a carbon dioxide monitoring unit, an alarm unit and an air conditioner control unit. The control unit can monitor a start-stop state of a vehicle engine, a first carbon dioxide concentration threshold value and asecond carbon dioxide concentration threshold value are preset in a carbon dioxide concentration monitoring unit, and the carbon dioxide monitoring unit can output corresponding monitoring signals due to a fact that a monitored carbon dioxide concentration is matched with different carbon dioxide concentration threshold values. According to the carriage carbon dioxide concentration control system, when the monitored carbon dioxide concentration is matched with the first carbon dioxide concentration threshold value and the second carbon dioxide concentration threshold value, the correspondingmonitoring signals are output to the alarm unit and the air conditioner control unit respectively so that dual functions of manual control and automatic control can be fully played, and a control effect on the concentration of carbon dioxide in a carriage can be improved.

The invention discloses a vegetable greenhouse environmental monitoring system with a carbon dioxide monitoring function. The environmental monitoring system is characterized by comprising a CPU, a communication device which is in signal connection with a CPU and is used for communication, a humidity detector which is signal connection with the CPU and is used for detectinghumidity in a greenhouse, and a light detectorwhich is in signal connection with the CPU. Due to simple system arrangement, easy nursing and easy conservation for vegetable in the greenhouse are achieved.

The invention discloses a full-automatic seedling culture device which comprises a totally-closed transparent glass seedling culture room made of a heat insulating material and a seedling culture tray conveying device arranged in the seedling culture room. A fertilizing device, an artificial lighting device and a sprinkling device are arranged on the roof of the seedling culture room, a ventilation device, a temperature control device and a carbon dioxide monitoring device are further arranged on the seedling culture room, and an internal space of the seedling culture room forms a seedling culture space. The seedling culture tray conveying device is in a vertical frame form and comprises a support frame, a transmission device, a motor and a plurality of trays used for holding seedling culture trays, the transmission device comprises a sprocket set and a chain set mounted on two sides of the support frame, the motor drives the transmission device to transmit, and the trays are arranged on the chain set at intervals. A vertical frame structure is realized, the seedling culture trays interchange by turns through the transmission device to absorb sunshine and be fertilized, watered and lighted, cultured seedling survival rate is increased, the operation process that workers climb up and down to put the seedling culture trays is omitted, and area utilization rate is increased greatly by the vertical frame structure.

The invention discloses a continuous feeding, slagging and dumping integrated garbage processing system. The system comprises an elevator, the elevator is communicated with a first switch through a fourth flap valve, the first switch is located above one side of a storage bin, a storage bin stirrer, a storage bin pressure gauge and a storage bin level gage are arranged on the storage bin, and a storage bin carbon dioxide monitoring meter is fixed at one side of the storage bin. The continuous feeding, slagging and dumping integrated garbage processing system can realize continuous feeding, slagging and dumping in the running process of the system, and can effectively prevent a gas in a reactor from leaking outwards and outside air from entering the reactor; the gas generated in the reactoris connected to a subsequent device through a gas discharge port, the material levels in the storage bin, the reactor and a slag storage bin are monitored in real time by level gages, and a corresponding program is started when preset values are reached, so the system can be effectively improve the working efficiency and reduce the labor cost.

A system and method for monitoring carbon dioxide production during a dough leavening process to improve the efficiency and quality of the baking process. A yeast dough is placed in an oven for rising and baking. A carbon dioxide sensor is connected to the oven to sense the carbon dioxide in the oven atmosphere, and a monitoring device monitors the signal from the carbon dioxide sensor to provide an output indicative of the substantial end of the rising stage, and may automatically control the oven to begin baking.

The invention discloses a filter, an air cabinet unit and an air conditioning unit. The filter comprises a frame, a filter screen, a driving mechanism and a detection unit, wherein the filter screen is rotationally arranged in the frame, the driving mechanism is used for driving the filter screen to rotate, the driving mechanism comprises a driving motor; the driving motor is in transmission connection with the filter screen, the filter further comprises a controller, and the detection unit is connected with the controller; the detection unit comprises a differential pressure alarm device, andwhen the differential pressure value exceeds a first preset value, the driving mechanism drives the filter screen to rotate by 180 degrees; the detection unit further comprises a carbon dioxide monitoring device, and when the carbon dioxide monitoring device detects that the concentration of carbon dioxide is lower than a second preset value, the filter screen rotates to be parallel to the airflow direction. Compared with the prior art, when air does not need to be filtered, the air does not pass through the filter screen, and when too much dust is accumulated on the filter screen to affect the filtering efficiency, the filter screen can be rotated by 180 degrees to blow away dust by air, and the problem that in the prior art, the air cabinet unit is high in excessive energy consumption is solved.

The invention discloses a carbon dioxide monitoring warning sensor. The carbon dioxide monitoring warning sensor comprises a sensor body; the sensor body comprises a housing, an operation panel, a display screen and a controller; one side of the housing is provided with the operation panel, the top of the operation panel is provided with a level signal indicator lamp, the bottom of the level signal indicator lamp is provided with a working power indicator lamp, the bottom of the working power indicator lamp is provided with a loudspeaker, the bottom of the loudspeaker is provided with a switch, one side of the operation panel is provided with a display screen, one side of the bottom of the housing is provided with a storage battery, the bottom of the housing is provided with the controller, the controller is connected with an output signal fine-tuning unit, one side of the output signal fine-tuning unit is provided with a temperature sensor, one side of the temperature sensor is provided with a gas detecting sensor head, and one side of the gas detecting sensor head is provided with a level signal adjusting unit. Through the loudspeaker, the carbon dioxide monitoring warning sensorcan broadcast concentration of carbon dioxide in air in real time, thereby bring convenience to people.

The invention discloses an ecological environment monitoring device, and mainly relates to the field of ecological environment. The device comprises a concentrator, wherein the concentrator is installed in an area covered by a 4G communication network, and the concentrator is internally provided with a first LoRa wireless module and a 4G communication module for data transmission with the 4G communication network; and a plurality of monitors, wherein each monitor comprises a supporting base. A protective cover is arranged at the top of the supporting base; an opening is formed in the top of the protective cover; a cover plate for sealing the opening is arranged at the top of the protective cover; one end of the cover plate is hinged to the protective cover through a hinge shaft; a torsional spring is arranged on the hinge shaft; a monitoring support and a lifting mechanism are arranged in the protective cover; and a storage battery, a second LoRa wireless module, a microcontroller, a dust monitoring probe, a carbon dioxide monitoring probe and a humidity monitoring probe are arranged on the monitoring support. The beneficial effects of the device are that the device can be suitablefor severe weather, can prolong the service life, and reduces the monitoring cost.

A device to facilitate carbon dioxide sampling in the exhalation breath of a person comprising a single nasal prong (10) insertable into a nostril of the person having a first lumen (20) which allows gas passage from the nostril to the surrounding external air, a second lumen (34) located within the first lumen (20). A tube (40) is connected at a first end (42) to an end of the second lumen (34) that is further from the nostril and connectable at a second end (44) to a carbon dioxide monitoring device (50). The carbon dioxide monitoring device (50) detects the level of carbon dioxide in the portion of the person's exhalation that passes through the second lumen (34). The portion of the person's exhalation that passes through the first lumen (20) is dispersed in the surrounding air.

The invention relates to the technical field of museum cultural relic monitoring, in particular to a security storage cabinet. The security storage cabinet comprises a cabinet body and an environmentmonitoring terminal arranged on the cabinet body. The environment monitoring terminal comprises a temperature and humidity monitoring terminal, a carbon dioxide monitoring terminal, an organic volatile matter monitoring terminal, an illumination monitoring terminal and an ultraviolet monitoring terminal which are arranged on the inner wall of the cabinet body. The cabinet body comprises a displaycover and a display stand. The bottom end of the display cover makes contact with the top end of the display table. A transparent observation plate is arranged on an observation window. The security storage cabinet further comprises a brush rod, a polish rod, an operation panel, a connecting rod and an opening device. Fixing plates are longitudinally arranged on the left side and the right side ofthe front end of the display table. The polish rod is transversely installed between the two fixing plates, and the problems that dust on the inner wall of the cabinet body is inconvenient to clean in time, people are affected to observe cultural relics, the cabinet body and the cultural relics are prone to damage, practicability is poor, use limitation is high, the cabinet body is inconvenient to open, and use reliability is low are solved.

The invention discloses an intelligent monitoring type operative anesthesia system. The system comprises an intelligent control terminal, a vital sign detection terminal and an anesthesia agentia injection terminal, wherein the vital sign detection terminal and the anesthesia agentia injection terminal are connected with the intelligent control terminal, and the vital sign detection terminal comprises a laser Doppler sensing device, an electrocardiogram monitoring device, a respiration monitoring device, a pulse monitoring device, a peripheral sympathetic nerve signal monitoring device, a center venous pressure monitoring device, an end-tidal carbon dioxide monitoring device, an invasive arterial blood pressure monitoring device and a noninvasive arterial blood pressure monitoring device. Compared with the prior art, the system has the advantages that the information of the vital sign detection terminal and an indoor environment monitoring terminal is received through the intelligent control terminal, the recommended dosage value is given according to the received information, the anesthesia agentia injection terminal is controlled to conduct drug administration quantitatively, and monitoring information of the whole anesthesia process is displayed on a monitoring display screen in real time. In this way, real-time feedback of the physical condition of a patient can be achieved, medical accidents can be reduced, and the work load of anesthetists can be relieved greatly.