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2004results about "Gas analyser construction details" patented technology

Apparatus, systems and methods for detecting and transmitting sensory data over a computer network

A vapor sensing device that is sufficiently small and lightweight to be handheld, and also modular so as to allow the device to be conveniently adapted for use in sensing the presence and concentration of a wide variety of specified vapors. The device provides these benefits using a sensor module that incorporates a sample chamber and a plurality of sensors located on a chip releasably carried within or adjacent to the sample chamber. Optionally, the sensor module can be configured to be releasably plugged into a receptacle formed in the device. Vapors are directed to pass through the sample chamber, whereupon the sensors provide a distinct combination of electrical signals in response to each. The sensors of the sensor module can take the form of chemically sensitive resistors having resistances that vary according to the identity and concentration of an adjacent vapor. These chemically sensitive resistors can each be connected in series with a reference resistor, between a reference voltage and ground, such that an analog signal is established for each chemically sensitive resistor. The resulting analog signals are supplied to an analog-to-digital converter, to produce corresponding digital signals. These digital signals are appropriately analyzed for vapor identification. The device can then subsequently transmit the digital signals over a computer network, such as the Internet, for analysis at a remote location.

Mobile monitoring system for displaying air environmental quality pollution level of road in real time

InactiveCN107393273ASolve the problem of real-time monitoring and display of pollution emissionsLow costTransmission systemsWireless commuication servicesData acquisitionEnvironmental quality
The invention relates to the field of environmental protection and aims at providing a mobile monitoring system for displaying air environmental quality pollution level of a road in real time. The system is capable of achieving real-time monitoring of pollutant discharge of an on-road motor vehicle, instantaneously learning the road traffic pollution degree and guiding green travel of people, and is beneficial to improvement of the environment monitoring management level. According to the technical scheme, the mobile monitoring system for displaying the air environmental quality pollution level of the road in real time is characterized by comprising a plurality of vehicle-mounted fixed ends with data acquisition and transmission modules, and a data receiving terminal with a data receiving module, wherein the plurality of vehicle-mounted fixed ends are arranged on various vehicles through adsorption devices separately; the data receiving terminal is arranged in an environmental management department; and each data acquisition and transmission module comprises various monitoring sensors, a digital transmission module, a GPS module, a power module and a mainboard connecting various components.
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