A calorific value of gas based smart self-adaptive gas pressure regulation method, which is executed by a smart gas device management platform (130) of a calorific value of gas based smart self-adaptive gas pressure regulation Internet of things system (100). The method comprises: acquiring calorific value of gas data, wherein the calorific value of gas data is acquired on the basis of a pressure regulation station; acquiring a first pressure regulation parameter of the pressure regulation station, wherein the first pressure regulation parameter is used for reflecting current pressure regulation data of the pressure regulation station; determining whether the calorific value of gas data meets a first preset condition; in response to the calorific value of gas data not meeting the first preset condition, adjusting the first pressure regulation parameter; and determining a second voltage regulation parameter of the pressure regulation station on the basis of the adjusted first voltage regulation parameter, wherein the second voltage regulation parameter is updated pressure regulation data.
F17D 3/01 - Dispositions pour la surveillance ou la commande des opérations de fonctionnement pour commander, signaler ou surveiller le transfert d'un produit
H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
2.
INDUSTRIAL INTERNET OF THINGS FOR EARLY WARNING OF FUNCTIONAL DEGRADATION FAULT OF DEVICE, AND METHOD AND MEDIUM
An industrial Internet of Things for early warning of a functional degradation fault of a device. The industrial Internet of Things comprises a management platform (230), wherein the management platform (230) is configured to execute the following operations: acquiring the execution situation of at least one production task, which is executed by a device within a preset period of time (310); on the basis of the execution situation of the at least one production task, determining whether the device has a functional degradation fault (320); and in response to the device having a functional degradation fault, issuing an early warning and repairing the device accordingly (330).
Disclosed is an intelligent manufacturing method based on centralized service platform industrial Internet of Things, comprising: parameter configuration information is input by means of a user platform, and a service platform disassembles the parameter configuration information into a plurality of configuration data sets according to a process; a management platform stores and processes the received configuration data sets, the stored configuration data sets serving as reference data sets; an object platform uses sensing information thereof as a verification data set according to a set time interval; a management platform receives and processes the verification data set, and sends the reference data set and the verification data set to the service platform; the service platform receives the reference data set and the verification data set and compares same, and if a set threshold range is exceeded upon comparison, generates an operation stop instruction and sends same to the object platform so as to control a production line device to stop operation. Further disclosed is a system for implementing the intelligent manufacturing method based on centralized service platform industrial Internet of Things. The present invention is applicable to various intelligent manufacturing production lines, and a production line device can be quickly controlled to stop operation when production is abnormal.
A valve core transmission member, a valve controller, a valve and a valve control method. The valve core transmission member comprises a driving gear (3) and a spindle (4), wherein the driving gear (3) is used for driving the spindle (4) to rotate around the axis of the spindle (4), the driving gear (3) is an intermittent gear, and the driving gear (3) can rotate around the axis of the spindle (4) relative to the spindle (4). Both the valve controller and the valve are specific applications based on the valve-element transmission member, and the control method has the same concept as the valve-element transmission member.
F16K 31/53 - Moyens mécaniques d'actionnement à engrenage
F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur
F16H 35/10 - Dispositions ou dispositifs pour absorber la surcharge ou empêcher tout dommage par surcharge
Disclosed is a smart city system, comprising: a function system, a physical system and an information system. The function system is an expression form of smart city functions, the information system is an implementation manner of the smart city functions, and the physical system is a carrier that provides physical support for implementation of the smart city functions. The function system is of a five-platform structure; the physical system is of a five-layer structure; and the information system is of a five-domain structure. The present invention divides the smart city system in detail; functions that should be realized by a smart city and how to realize the functions are accurately described from three perspectives, i.e., the function system, the physical system and the information system. With these technical features, a smart city system with a clear structure, explicit functions, matching hardware, and a clear information flow can be constructed, fundamental model guarantee is provided for final implementation of the smart city, and the application range is wide.
An Internet of Things system, comprising: a functional system, a physical system, and an information system. The function system is an expression form of functions; the information system is an information implementation manner; and the physical system is a carrier that provides physical support for function implementation. The function system is of a structure consisting of five platforms: an object platform, a sensing network platform, a management platform, a service platform, and a user platform. The physical system and the information system are also of a structure consisting of five parts. The present invention elaborates the Internet of Things system, and accurately describes functions that should be implemented by Internet of Things and how to implement these functions from three aspects of the Internet of Things system, i.e., the function system, the physical system, and the information system. By means of these provided technical features, an Internet of Things system characterized by a clear structure, definite functions, matching hardware, and clear information running can be constructed, and its application range is wide.
Provided is a wide-range diaphragm gas meter, comprising a machine core (100). The machine core (100) comprises a diaphragm chamber (200), two diaphragms (300), two diaphragm covers, a valve cover (400), and a four-axis rotational system. The diaphragm chamber (200) comprises a valve seat and two measuring chambers, and the two diaphragms (300) are located in the two measuring chambers respectively. Each of the diaphragms (300) is connected correspondingly to the four-axis rotational system. A vertical shaft (106) is fixedly connected to one end of a rotating bar (103), the other end of the rotating bar (103) is hinged to one end of a connecting bar (102), and the other end of the connecting bar (102) is hinged to a crank (600). The central shaft (C) of the crank (600) is a third rotating shaft. A central crankwheel (101) is arranged on a central shaft (B). The valve cover (400) and the central crankwheel (101) are coaxially arranged. The central crankwheel (101) rotates around the central shaft (B) to drive the valve cover (400) to rotate synchronously around the central shaft (B). A deviation between an installation limit position of the diaphragm (300) and an optimal limit position is between -0.5 mm and +0.5 mm. An angle deviation of the rotating bar (103) is between -0.8° and +0.8°. A fine tuning device is arranged in the central crankwheel (101). The gas meter in the present invention features highly accurate measurement and high measurement precision, expanding the application range of the diaphragm gas meter.
G01F 1/38 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression la pression ou la différence de pression étant produite par une contraction de la veine fluide la pression ou la différence de pression étant mesurée au moyen d'un élément mobile, p. ex. une membrane, un piston, un tube de Bourdon ou une capsule déformable
G01F 11/08 - Appareils qu'il faut actionner de l'extérieur, adaptés à chaque opération répétée et identique, pour mesurer et séparer le volume prédéterminé d'un fluide ou d'un matériau solide fluent à partir d'une alimentation ou d'un récipient sans tenir compte du poids, et pour fournir ce volume avec chambres de mesure qui se dilatent ou se contractent au cours du mesurage du type à diaphragme ou à soufflet
G01F 3/22 - Mesure du débit volumétrique des fluides ou d'un matériau solide fluent dans laquelle le fluide passe à travers le compteur par quantités successives et plus ou moins séparées, le compteur étant entraîné par l'écoulement avec des chambres de mesure qui se dilatent ou se contractent au cours du mesurage ayant des parois élastiques mobiles, p. ex. des diaphragmes, soufflets pour les gaz
8.
INTELLIGENT HOUSEHOLD ENERGY INTERNET OF THINGS SYSTEM FOR INTELLIGENT CITY SYSTEM
An intelligent household energy Internet of Things system for an intelligent city system, belonging to an Internet of Things system. The system comprises: an object platform at least comprising an energy meter, wherein the energy meter accesses an intelligent Internet of Things gateway; a communication platform respectively connected to the object platform and a management platform by means of a network; the management platform respectively connected to the communication platform and a service platform, wherein the management platform at least comprises an operator server; the service platform respectively connected to the management platform and a user platform, and at least comprising an operator server; and the user platform accessing the service platform and at least comprising a user terminal. One-to-one, many-to-one and many-to-many connection methods can be achieved between various servers, an intelligent Internet of Things gateway, a user and an energy meter in the Internet of Things system, so as to transmit sensing information and control information, thus satisfying different requirements of Internet of Things usage in an intelligent city system.
The present invention relates to the technical field of internet of things transmission. Disclosed is an internet of things information system. The internet of things information system of the present invention comprises an object platform, a sensing network platform, and an operator management platform; the object platform establishes a communication protocol with the operator management platform through the sensing network platform; the object platform comprises a perception information system and a control information system; the perception information system acquires perception information of the object platform; the control information system controls objects by control information; the sensing network platform comprises a perception information communication system and a control information communication system; and the operator management platform comprises a perception information management system and a control information management system. The internet of things information system provided by the present invention is simple in structure and diversified in transmission process, can be applied to all kinds of internet of things application systems, and is wide in application range.
An internet of things (IoT) system used for an intelligent gas meter and an information transmission method for said IoT system. The IoT system used for an intelligent gas meter comprises an intelligent gas meter perception and control system, a gas network communication system, and a gas company comprehensive gas management system. The intelligent gas meter perception and control system comprises an intelligent gas meter perception unit and an intelligent gas meter control unit; the gas network communication system comprises a perception information communication system and a control information communication system; and the gas company comprehensive gas management system may comprise a perception information management system and a control information management system. The IoT system also can comprise a service system and a user system, and the service system can comprise an operator perception service system, a government perception service system, and a social public network service system. The IoT system used for an intelligent gas meter and the information method for the IoT system avoid mutual interference of perception information and control information of the intelligent gas meter during the information transmission process. The provided IoT system is simple in structure, diversified in transmission processes, and safer and more reliable in information transmission.
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