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66results about How to "Avoid communication conflicts" patented technology
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Low-voltage carrier centralized network and method of constructing network, transmitting and receiving thereof
InactiveCN101009037AReduce maintenance workloadReduce maintenance costsElectric signal transmission systemsCommunication qualityLow voltage
This invention discloses one low voltage load wave integral network and its combination method, which comprises the following steps: testing integral part and its points communication quality; according to test results, setting first sub network communication quality better or equal to first preset value one point as second sub network r J>1 point; setting the other points as first sub network common points; when J>1, executing j sub network router point and its communication quality.
Owner:RISECOMM MICROELECTRONICS SHENZHEN
Distributed battery management system and management method
InactiveCN101335367AAvoid communication conflictsData processing applicationsPrimary cell maintainance/servicingElectrical batteryComputer module
The invention relates to a distributed battery management system, which comprises at least two battery mould groups, each battery mould group is connected respectively with a battery management mould through a corresponding collecting mould that is externally connected with a jumper circuit. The invention also discloses a management method of the distributed battery management system. In respect of the method of the invention, the collecting mould is externally connected with the jumper circuit which is used for setting different states of I / O port of every collecting mould, a corresponding CAN bus address is given to each collecting mould by pointing to every state so as to distinguish signals sent by each collecting mould, thus resolving the communication dispute of the distributed battery management system.
Owner:CHERY AUTOMOBILE CO LTD
Working method for satellite communication system based on single channel per carrier time division multiple access
InactiveCN101908920AEnsure smooth communicationNovel ideaNetwork topologiesRadio transmissionCode division multiple accessSatellite
The invention relates to a working method for a satellite communication system based on single channel single carrier time division multiple access, which comprises the following operating steps: (1) when a satellite communication network is established initially, all ground base stations compete for a temporary centre base station which acquires the information of the ground base stations of thenetwork in a mode of calling the name, and when calling the name, all the ground base stations adopt a competition mode to finish the response of calling the name; (2) the temporary centre base station elects the optimal centre base station of the current network according to the information of all the ground base stations in the network; (3) the temporary centre base station delivers controllingright and the information of the ground base stations to the centre base station at the same time; and (4) the centre base station manages the space-time link resources of the whole satellite network, and controls the network to operate normally as follows: the centre base station firstly distributes TDMA frame slot time, and performs the respective keep-alive control together with the common ground base station; and the centre base station also comprises all the controlling operations such as the distribution of data slot time, the addition of new ground base station and the departure of theground base station.
Owner:SHENZHEN TINNO WIRELESS TECH
User equipment identifier allocation method, device and system
InactiveCN103686740AAvoid communication conflictsAvoid irreconcilable defectsNetwork planningEntity identifierUser equipment
The embodiment of the invention provides a user equipment identifier allocation method, device and system, and relates to the field of communication. A D2D (Device-to-Device) communication identifier comprises a preset equipment management entity ID and a temporary ID, so that transmission redundancy is reduced, and communication interference is also avoided. The method provided by the embodiment of the invention comprises the following steps: an equipment management entity receives a notice that first user equipment starts D2D communication service; the equipment management entity allocates the D2D communication identifier for the first user equipment, and the D2D communication identifier comprises a preset equipment management entity identifier ID and a user equipment temporary-identifier ID, wherein the user equipment temporary-identifier ID is unique in the coverage area of the equipment management entity, and the equipment management entity ID corresponds to the equipment management entity; the equipment management entity sends the allocated D2D communication identifier to the first user equipment.
Owner:HUAWEI TECH CO LTD
Communication method of wireless local area network, communication device of wireless local area network, station and access point
ActiveCN105357719AAvoid communication conflictsImprove throughputNetwork traffic/resource managementNetwork topologiesMessage frameBasic service
The invention provides a communication method of a wireless local area network, a communication device of the wireless local area network, a station and an access point. The communication method of the wireless local area network comprises generating a first message frame which comprises number information of basic service sets of station statistics and CCA values corresponding to the basic service sets, and sending the first message frame to the access point. The number information of the basic service sets and the CCA values corresponding to the basic service sets are used by the access point to set a CCA value of the access point. According to the technical scheme, the access point can set the relative accurate CCA value and the relative accurate number of the basic service sets, so a communication conflict can be prevented from occurrence as far as possible, and the handling capacity of a system is indirectly improved.
Owner:MEIZU TECH CO LTD
Wireless communication system, wireless communication device and wireless communication method, and computer program
InactiveCN1692605AAvoid communication conflictsConvenient access controlError prevention/detection by using return channelNetwork topologiesCommunications systemInformation transmission
Owner:WI FI ONE TECH INT LTD
Serial port time sharing multiplexing method and system
InactiveCN103365798AAvoid communication conflictsOvercoming the Deficiencies of Communication CollisionsElectric digital data processingMultiplexingOperational system
The embodiment of the invention discloses a serial port time sharing multiplexing method and a system and relates to the field of communication. According to the serial port time sharing multiplexing method and the system, a console stops to access the serial port when an application program accesses the serial port through leading out a prohibitive interface, an enabling interface and providing a set of second serial driver in an embedded operating system; when the application program stops to access the serial port, the console recovers to access the serial port, so that the console and the application program can multiplex the serial port in a time-sharing manner, and the communication conflicts are avoided. The method of the embodiment comprises the following steps: the prohibitive interface and the enabling interface are led out by the first serial driver; when the application program requires to access the serial port, the console is informed to suspend to access the serial port by the second serial driver through the prohibitive interface; the application program accesses the serial port through the second serial driver; when the application program is not required to access the serial port, the application program stops to access the serial port, the console is informed to recover to access the serial port by the second serial driver through the enabling interface.
Owner:HUAWEI TECH CO LTD
CAN bus accurate timing and assembly line testing communication system and method
ActiveCN105629902AEnables precisely timed communicationsMeet the needs of batch testingProgramme total factory controlCommunication interfaceCommunications system
The invention belongs to the technical field of a communication system, and specifically relates to a CAN bus accurate timing and assembly line testing communication system and method which can achieve high-reliability, high-precision, assembly line type and hot plug type communication with a servo driver. The system comprises an actuator A, an actuator B, an actuator C, a driver A, a driver B, a driver C, a ground control power supply module A, a CAN bus communication interface card, a CAN bus timing communication system, a ground power power-supply module B and a CAN bus. The ground power power-supply module B is connected with the actuator A, the actuator B and the actuator C. The ground control power supply module A is connected with the driver A, the driver B and the driver C. The CAN bus is connected with the driver A, the driver B and the driver C. The actuator A is connected with the driver C, the actuator B is connected with the driver B, and the actuator C is connected with the driver A.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
Time-sharing serial communication method and system
ActiveCN105183687AReduce bit error rateAvoid prone to sending and receivingElectric digital data processingElectricityElectrical connection
The present invention provides a time-sharing serial communication method and system, and relates to the technical field of communications. The method comprises: establishing an electrical connection between a master and a slave; obtaining configuration parameters of a communication serial port of the master, and performing parameter configuration to a communication serial port of the slave according to the configuration parameters; sending first data to the slave by the master, and after the first data is received by the slave, delaying a first preset time and returning a response to the master; and if the response returned from the slave is received by the master within a second preset time, sending second data to the slave after the first preset time is delayed, wherein the second preset time is greater than the first preset time. According to the time-sharing serial communication method and system, serial communication is not affected by the number of transmitted bytes, so as to avoid the problem in the prior art of communication conflict between sending-receiving and resending that easily occurs when the number of the transmitted bytes is large, thereby greatly reducing communication error rate.
Owner:SHENZHEN ZHENBANG TECH
Equipment resource acquisition method based on 485 time-sharing communication
ActiveCN106953809AMeet data collection needsFast and Accurate Resource CollectionError preventionBus networksData acquisitionTime-sharing
The invention discloses an equipment resource acquisition method based on 485 time-sharing communication. The method comprises the following steps: determining time slot of primary equipment and each slave equipment connected with the primary equipment through a RS485 bus; sending a resource change message to the primary equipment in the time slot of each slave equipment; returning a resource acquisition request to the corresponding slave equipment according to the received resource change message in the time slot of the primary equipment; and sending the resource data to the primary equipment in the time slot thereof according to the resource acquisition request received from the slave equipment. By use of the resource acquisition method disclosed by the invention, the data can be sent in respective time slot of the primary equipment and the slave equipment, the primary equipment can concurrently send the resource acquisition request to the slave equipment, the slave equipment returns the resource data to the primary equipment in time-sharing; therefore, the resource acquisition on the slave equipment by the primary equipment can be fast and accurately accomplished, the communication conflict is avoided; the resource acquisition has concurrence, high efficiency, security and redundancy; the management is convenient, and the bulk data acquisition demands of the communication equipment can be satisfied.
Owner:FENGHUO COMM SCI & TECH CO LTD
LoRa communication method based on multipath technology
InactiveCN111182608AAvoid communication conflictsWide communication coverageNetwork topologiesTransmissionTelecommunicationsNetwork communication
The invention proposes a LoRa communication method based on the multi-path technology. Through a cluster head node provided with a frequency point and a channel and a cluster node within the monitoring range of the cluster head node, LoRa communication specifically comprises the steps: defining the data format in the LoRa communication process, the network access process of the cluster node and the quit process of the cluster node. According to the invention, under the conditions that network communication is difficult, the number of nodes is large and the communication coverage range is wide,a large-capacity sensor network is laid, data is transmitted in a LoRa communication mode, and communication conflicts between cluster head nodes and communication conflicts between cluster nodes areavoided.
Owner:BEIJING AEROSPACE MEASUREMENT & CONTROL TECH
Channel management method applied to spread spectrum communication
ActiveCN106817718AImprove channel conflict, data errorImprove conditions such as receiving errorsTransmissionWireless communicationTerminal equipmentComputer terminal
The invention discloses a channel management method applied to spread spectrum communication, which relates to the wireless communication technology field. The invention comprises one or more terminal devices, a plurality of gateway devices for forwarding data and a network server used to process data and instructions. According to the invention, a communication frequency band is subjected to channel division. The terminal device(s) select(s) a channel from all channels to transmit data according to the channel quality grade evaluation list released by the network server. The method of the invention is able to reduce the probability of communication conflicts among the devices in a network, increases the success rate of communication, increases the stability of long-term communications of an open frequency band product and enlarges the network capacity.
Owner:GOLDCARD HIGH TECH
Data transmission method for wireless cellular network, terminal, and base station
ActiveCN107231698AReduce overheadImprove efficiencyWireless communicationCommunications systemComputer terminal
The invention provides a data transmission method for a wireless cellular network, a base station, and a terminal. The wireless cellular network comprises two Internet of Things (IoT) communication shared channels with different frequencies, i.e., an uplink channel and a downlink channel. The method comprises the following steps: when data is to be sent to a base station side, monitoring whether the uplink channel is idle or not; when the uplink channel is idle, sending the data through the uplink channel in the form of an information frame, wherein the information frame comprises identity information of a terminal, and identification information of the information frame; and receiving a response data frame corresponding to the information frame through the downlink channel, and determining that data transmission is complete when the response data frame indicates that the information frame is correctly transmitted, wherein the response data frame comprises the identification information of the information frame. The method, the base station and the terminal adopting the technical scheme have the advantages that command expenses during communication can be reduced, and the efficiency of a communication system can be improved.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
A method and system for multi-UAV scheduling communication frequency band allocation
ActiveCN112423304BEasy to manageBest matching frequency bandAssess restrictionNetwork planningEngineeringMultiple frequency
Owner:芜湖创联航空装备产业研究院有限公司
Electronic equipment and dual-processor communication method
PendingCN111078618AAvoid communication conflictsHigh speed communicationDigital computer detailsElectric digital data processingInternal memoryComputer architecture
The invention discloses electronic equipment. The electronic equipment comprises: a first processor; a second processor, wherein the first processor is connected with the second processor through a signal line; and an internal memory which comprises an input / output port, wherein the first processor and the second processor are connected with the input / output port through a connection bus. The invention further discloses a communication method of the dual processors. According to the invention, a simple line connection relationship and a single-port RAM with low price are adopted to achieve communication between the two processors; and after the interrupt signal of the other processor is received, the processor is communicated with the path between the processor and the internal memory, reads the target data and writes the associated data, so that the communication conflict caused by the simultaneous access of the two processors to the internal memory can be effectively avoided, and theproduction cost of the electronic equipment is reduced.
Owner:深圳市杰美康机电有限公司
Radio communication system, radio communication device, radio communication method, and computer program
InactiveCN1830175AAvoid deadlockImprove throughputNetwork topologiesData switching by path configurationCommunications systemTransmission schedule
PROBLEM TO BE SOLVED: To provide a technology whereby each communication station efficiently makes a frequency allocation in an autonomous distribution multichannel wireless network. ŽSOLUTION: Each communication station transmits a beacon on an optimum channel to its own reception so as not to overlap with beacons of other stations. A communication station obtaining a preferential transmission right after transmission of the beacon shifts to an optimum channel of a receiver side and starts transmission. The communication station shifts to a beacon transmission schedule channel for reception of the beacon when a beacon transmission timing of the other station comes close during a preferential transmission period TGP. When a channel used at present by its own station differs from a channel used by the TGP of the other stations, the channel can be utilized succeedingly even after the reception of beacon. Ž
Owner:SONY CORP
Communication method, apparatus and device
InactiveCN109391290AAvoid Communication DisordersAvoid communication conflictsCircuit arrangementsNear-field systems using receiversCarrier signalComputer science
The embodiment of the invention discloses a communication method, apparatus and device. The communication method can be applied to a household appliance. The household appliance includes a wirelessly-charged power transmitting end and a wirelessly-charged power receiving end. The communication method includes the steps: the power receiving end sends first to-be-sent data to the power transmittingend through a receiving coil carrier according to a set transmission period; the power transmitting end receives the first to-be-sent data, and verifies the first to-be-sent data; and after the firstto-be-sent data is successfully verified, the power transmitting end sends second to-be-sent data to the power receiving end through a transmitting coil carrier after a set interval duration, whereinthe time length of the transmission period is greater than the preset interval duration t1. Through the foregoing method, the technical solution of the communication method can avoid a communication conflict between the power receiving end and the power transmitting end during wireless charging.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
Communication method and communication device of wireless local area network, and communication equipment
ActiveCN108076466AWon't interfereAvoid communication conflictsNetwork traffic/resource managementNetwork topologiesTelecommunicationsCommunication device
The invention provides a communication method and a communication device of a wireless local area network, and communication equipment. The communication method of the wireless local area network comprises the steps of generating a waking frame that is used for waking a data frame receiver of the equipment to enter a waking state to receive data frames; determining spectrum resources sending the waking frame, wherein the spectrum resources used for sending the waking frame are not overlapped with the spectrum resources occupied by a main communication channel, and the bandwidth of the spectrumresources used for sending the waking frame is less than that of the main communication channel; and sending the waking frame based on the determined spectrum resources. According to the technical scheme of the method provided by the invention, the sending of the waking frame does not cause interference on the main communication channel, and thus the occurrence of communication conflicts can be avoided, the improvement of the spectrum efficiency is facilitated, and the requirement of the WUR is met.
Owner:MEIZU TECH CO LTD
Communication methods, communication devices, access point device, and station device
PendingCN109661019AAvoid communication conflictsPower managementHigh level techniquesCommunication interfaceMessage frame
The invention provides communication methods and communication devices of a wireless local area network, an access point device and a station device, wherein the communication method of the wireless local area network for the access point device comprises the following steps: generating a wakeup message frame, wherein the wakeup message frame is used for waking up a main communication interface ofthe station device to receive downlink cache data; acquiring a first group of working frequency bands supported by the station device; determining a WUR (Wake Up Receiver) transmission channel used for sending the wakeup message frame according to the first group of working frequency bands and a second group of working frequency bands supported by the access point device, wherein the WUR transmission channel is a channel which is different from a data transmission channel of the access point device; and sending the wakeup message frame to the station device on the WUR transmission channel. According to the technical scheme in the invention, communication conflicts in the channel can be effectively avoided from occurring, so that the equipment is more power-saving and meets the requirementof IEEE 802. 11ba.
Owner:MEIZU TECH CO LTD
Method and device for communication between ECP system display terminal and head end control unit
ActiveCN104184681AAvoid channel preemption situationsAvoid communication conflictsSignalling indicators on vehicleData switching networksCommunication qualityReal-time computing
The invention provides a method and device for communication between an ECP system display terminal and a head end control unit. The ECP system display terminal is preset as a high communication priority, and the head end control unit is preset as a low communication priority. The method includes the steps that when the ECP system display terminal is ready to send a first data message and meanwhile the head end control unit is ready to send a second data message, the communication priority of a sending end of the first data message and the communication priority of a sending end of the second data message are respectively judged; when it is determined that the sending end of the first data message is a high communication priority and the sending end of the second data message is a low communication priority, the first data message is sent preferentially; after the first data message is sent, the second data message is sent. Thus, the sending sequence of the first data message sent by the ECP system display terminal and the second data message sent by the head end control unit is set, the situation that a channel is preempted by the ECP system display terminal or the head end control unit is avoided, communication conflict is avoided, and communication quality is improved.
Owner:QINGDAO SRI TECH CO LTD
Method for collecting power consumption data, terminal equipment and storage medium
ActiveCN112820092AReduce the number of communicationsReduce communication data volumeElectric signal transmission systemsNon-electrical signal transmission systemsTerminal equipmentData aggregator
The invention discloses a method for collecting power consumption data, terminal equipment and a computer readable storage medium, and the method comprises the steps: firstly constructing a local alliance based on a plurality of nodes which can directly communicate in a local region, and selecting an agent node, wherein the construction of the alliance is carried out in a specified time period; the data acquisition process is carried out in a non-alliance construction period, so that communication conflicts are avoided, then the proxy node broadcasts data aggregation request information to each node one by one, and each node correspondingly replies the acquired power consumption data, so that communication conflicts among the nodes in the alliance are avoided, the agent node gathers the power consumption data of each node and then uniformly sends the power consumption data to the edge-side device, and finally the edge-side device transmits the received power consumption data to the cloud, thereby greatly reducing the communication times and communication data volume between the end-side device and the edge-side device, and further greatly improving the transmission capability of the power data on the HPLC. Meanwhile, the problem that power data cannot be effectively transmitted due to failure of individual HPLC nodes can be solved.
Owner:BEIJING TENHE ELECTRONICS TECH CO LTD
Multipath signal processing method of embedded PLC system, and embedded PLC system
InactiveCN107276872ARealize one-to-one communicationAchieving processing powerBus networksComputer moduleComputer science
The invention provides a multipath signal processing method of an embedded PLC system, and the embedded PLC system. The method comprises the following steps: performing first protocol conversion on a to-be-answered command sent by a main device through a processing module corresponding to the main device; in the case that effective answer data corresponding to the to-be-answered command are not recorded, putting the to-be-answered command subjected to the first protocol conversion in a corresponding queue in M queues by a learning engine; sending commands to an intelligent device in sequence according to the priorities of the M queues by a first communication apparatus, and receiving the effective answer data sent by the intelligent device, wherein the effective answer data are obtained by the intelligent device according to the to-be-answered command; performing second protocol conversion on the effective answer data through the processing module; and sending the effective answer data subjected to the second protocol conversion to the main device through a second communication apparatus.
Owner:HANGZHOU DIANZI UNIV
Multi-unmanned aerial vehicle scheduling communication port distribution method and system
ActiveCN112104410ABest matching frequency bandAvoid communication conflictsRadio transmissionData switching networksEmbedded systemFrequency band
The invention provides a multi-unmanned aerial vehicle scheduling communication port distribution method and system. The method comprises the following steps: dividing communication spectrum resourcesof a scheduling server into a plurality of frequency bands; verifying the identity of the unmanned aerial vehicle; after the verification is passed, respectively setting communication frequency bandsused for acquiring a to-be-executed task for the plurality of unmanned aerial vehicles; and distributing port resources to the communication frequency bands set by the plurality of unmanned aerial vehicles. According to the invention, the task execution efficiency and reliability of the unmanned aerial vehicle are improved, the communication efficiency between the unmanned aerial vehicle and thescheduling server is improved, and the utilization rate of the communication port is improved.
Owner:临沂兴创达知识产权运营有限公司
Communication method based on Bluetooth safety equipment, Bluetooth chip and Bluetooth safety equipment
ActiveCN110505607AIncrease speedImprove stabilityShort range communication serviceData transmissionComputer science
The invention provides a communication method based on Bluetooth safety equipment, a Bluetooth chip and the Bluetooth safety equipment. The Bluetooth safety equipment comprises the Bluetooth chip anda safety chip which are connected in series. The Bluetooth chip is in handshake communication with a terminal. After the handshake communication is completed, the Bluetooth chip and the security chipcarry out data transmission. The Bluetooth chip detects whether a handshake event exists or not; and if the Bluetooth chip detects a handshake event, interrupting data transmission between the Bluetooth chip and a security chip, and executing the step of handshake communication between the Bluetooth chip and the terminal. Therefore, the serial communication between the Bluetooth chip and the security chip is suspended, the communication conflict between the Bluetooth communication and the serial communication is avoided, and the communication rate and stability are improved.
Owner:SHENZHEN EXCELSECU DATA TECH
Lora communication method and Lora communication system
ActiveCN112399425AAvoid communication conflictsWill not interfere with each otherError preventionNetwork traffic/resource managementCommunications systemEngineering
The invention provides a Lora communication method and a Lora communication system, and the Lora communication method comprises the steps that a Lora gateway carries out the periodic data collection and uploading on a non-real-time control node through a first channel; the Lora gateway carries out periodic data query on a real-time control node through a second channel, and sends a control instruction of a gateway control device to the real-time control node through the second channel, wherein the communication frequency of the first channel is different from the communication frequency of thesecond channel. By implementing the invention, when the Lora node uploads the data, the communication conflict between different Lora nodes can be avoided.
Owner:武汉所为科技有限公司
Wireless communication system and method for micro-rail vehicle control
PendingCN111885538AAvoid communication conflictsSimplified communication protocolPower managementParticular environment based servicesInterference (communication)Communications system
The invention discloses a wireless communication system and method for micro-rail vehicle control, and the system enables a rail line to be divided into a plurality of sections through a positioning mark, a trackside communication unit is installed at the central position of each section, the reliable communication range covered by the trackside communication units is a communication section, andeach communication section is provided with a communication channel. The communication channels of the adjacent communication sections are different, the trackside communication units are connected through a field bus, a vehicle-mounted communication unit is installed on the carriage, the vehicle-mounted communication unit establishes connection with the trackside communication units by switchingthe communication channels, and the trackside communication units allocate communication addresses to the vehicle-mounted communication unit. And the trackside communication units exchange data with the vehicle-mounted communication unit in turn in a time-sharing manner to realize information interaction between the trackside communication unit and the vehicle-mounted communication unit. The problems that existing micro-rail vehicle communication is prone to interference, and real-time performance and safety cannot be guaranteed are solved.
Owner:何秀华
Communication method, carrier agent module and transformer area fusion terminal
PendingCN111711581AImprove stabilityAvoid communication conflictsData switching networksCarrier signalEngineering
The invention provides a communication method, a carrier agent module and a transformer area fusion terminal. The method comprises the following steps: receiving forwarding requests sent by a plurality of carrier service applications; storing to-be-sent data sent by each carrier service application into a to-be-sent queue; and sending the to-be-sent data in the to-be-sent queue to a carrier communication device one by one according to the high-low sequence of the forwarding priorities. In the scheme, when forwarding requests sent by a plurality of carrier service applications are received, to-be-sent data sent by each carrier service application is stored in a to-be-sent queue. The to-be-sent data in the to-be-sent queue is sent to the carrier communication device one by one according to the high-low sequence of the forwarding priorities, so that the communication conflict between a plurality of carrier service applications and the carrier communication device is avoided, and the communication stability is improved.
Owner:STATE GRID INFORMATION & TELECOMM GRP +1
Method for collecting electricity consumption data, terminal equipment, and storage medium
ActiveCN112820092BReduce the number of communicationsReduce communication data volumeElectric signal transmission systemsNon-electrical signal transmission systemsData aggregatorData acquisition
Owner:BEIJING TENGINEER AIOT TECH CO LTD
Data acquisition system and data acquisition method of hotpot table
ActiveCN109062164AGuaranteed real-timeAvoid communication conflictsTotal factory controlProgramme total factory controlElectricityWireless transmission
The invention discloses a data acquisition system of a hotpot table. The data acquisition system comprises a central control data acquisition subsystem and a plurality of lower data acquisition subsystems, wherein the central control data acquisition subsystem comprises a central control computer and a wireless transmission radio station which is connected with the central control computer; a central control data acquisition unit is arranged in the central control computer; each lower data acquisition subsystem comprises a lower data acquisition module and a wireless communication module; thelower data acquisition module comprises a microprocessor; and a lower data acquisition unit is arranged in the microprocessor. The invention further discloses a data acquisition method of the hotpot table. Real-time collection and monitoring of electricity utilization data and calling signals of a hot pot table of a hot pot store are achieved, thereby providing a technical means for special-purpose of special electricity and intelligent electric power management of the hot-pot store.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
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