Abstract: A transient-voltage-suppression protection device and a manufacturing process therefor, and an electronic product. The transient-voltage-suppression protection device includes a substrate, a first trap, a second trap, a first injection region, and a second injection region, where the first trap and the second trap are sequentially arranged on the substrate from left to right at an interval, have a same doping type that is opposite to a doping type of the substrate, and are respectively provided with the first injection region and the second injection region with opposite doping types. The electronic product includes the transient-voltage-suppression protection device. In the solutions described, protection can be triggered and started at a lower voltage; the capacitance is small, and the manufacturing process is simple.

Abstract: Radio frequency (RF) devices are provided. An RF device includes one or more resonators. The RF device includes an RF connector that is coupled to the resonator(s). Moreover, the RF device includes a printed circuit board that covers the resonator(s) and is coupled to the resonator(s) via the RF connector.

Abstract: A quote display method includes: the automobile repair terminal sending a parameter test value of the automobile accessory to the test server; the test server sending the parameter test value to the big data platform; the big data platform determining a target keyword corresponding to a faulty automobile accessory according to the parameter test value and a parameter standard value of the automobile accessory, and sending the target keyword corresponding to the faulty automobile accessory to the test server: the test server sending the target keyword to the automobile repair terminal; the automobile repair terminal sending the target keyword to the quote server: the quote server determining, according to the target keyword, accessory information and accessory quote of a target automobile accessory, sending the accessory information and the accessory quote to the automobile repair terminal; the automobile repair terminal displaying the accessory information and the accessory quote.

Abstract: The present invention relates to the field of elevator braking, in particular to an action state detection method and system for an elevator brake, comprising: acquiring matching pairs of brake linings in the same braking state; constructing normal record data sets based on the matching pairs; grouping the normal record data sets based on braking power corresponding to samples in the normal record data sets to determine a median of elevator running speed corresponding to the samples in each group; dividing the operating state levels of the elevator brake according to the size of the median; constructing a data training set; training a constructed network model to obtain a trained network model; acquiring the operating state levels of an elevator to be detected by the trained network model, evaluating the elevator brake according to the operating state levels, and controlling the elevator.

Abstract: A COMBO ONU optical module circuit is provided, including a MCU control circuit, a XGSPON ONU circuit, and a GPON ONU circuit. The MCU control circuit includes three control units. The first control unit is configured to determine a transmission channel according to a signal level. The second control unit is configured to switch between a TX_SD_10G signal and a TX_SD_1G signal. The third control unit is configured to supply power to the GPONG ONU circuit using PWR_1G control or the XGSPONG ONU circuit using PWR_10G control. The first control unit is further configured to control the XGSPON ONU circuit and the GPON ONU circuit in an I2C communication mode. Under control of the first control unit, the XGSPON ONU circuit is configured to receive and emit a 10G optical signal, and the GPON ONU circuit is configured to receive and emit a2.5G optical signal.

Abstract: The present invention relates to the field of elevator braking, in particular to an action state detection method and system for an elevator brake, comprising: acquiring matching pairs of brake linings in the same braking state; constructing normal record data sets based on the matching pairs; grouping the normal record data sets based on braking power corresponding to samples in the normal record data sets to determine a median of elevator running speed corresponding to the samples in each group; dividing the operating state levels of the elevator brake according to the size of the median; constructing a data training set; training a constructed network model to obtain a trained network model; acquiring the operating state levels of an elevator to be detected by the trained network model, evaluating the elevator brake according to the operating state levels, and controlling the elevator.

Abstract: A low power consumption elevator brake includes the device body and the collection box located on the inner side of the device body. The bottom of the device body is installed with a base, and the side of the base is provided with a collection tank. The top of the device body is connected with a vacuum pipe connected to the collection tank. The top of the vacuum pipe is provided with an interception module. The side of the base is connected with an air outlet pipe connected to the collection tank. The air outlet pipe is provided with an exhaust fan, and the base is provided with a filter module through the collection tank.

Abstract: A structural member of guided fastening connection for an elevator guide rail includes a vertical docking plate, wherein a fixing side plate is welded on two sides of the vertical docking plate symmetrically, a fixing hole is provided on a side of the fixing side plates, an upright plugging plate is welded at two ends of the vertical docking plate symmetrically, the upright plugging plates are docked with a first buckling block on a side, the upright plugging plates are docked with a second buckling block on a side away from the first buckling blocks, the fixing side plates are welded with a lateral arc-shaped plate horizontally on a side away from the vertical docking plate, a turnover strut is provided between the lateral arc-shaped plates horizontally, a middle fixing rod is plugged within a top face of the lateral arc-shaped plates.

Abstract: A structural member of guided fastening connection for an elevator guide rail includes a vertical docking plate, wherein a fixing side plate is welded on two sides of the vertical docking plate symmetrically, a fixing hole is provided on a side of the fixing side plates, an upright plugging plate is welded at two ends of the vertical docking plate symmetrically, the upright plugging plates are docked with a first buckling block on a side, the upright plugging plates are docked with a second buckling block on a side away from the first buckling blocks, the fixing side plates are welded with a lateral arc-shaped plate horizontally on a side away from the vertical docking plate, a turnover strut is provided between the lateral arc-shaped plates horizontally, a middle fixing rod is plugged within a top face of the lateral arc-shaped plates.

Abstract: An elevator health state online monitoring method includes: acquiring parameters such as a position, a three-axis acceleration, an inclination angle, and a noise of a car in a running state of an elevator, left and right brake temperatures of a traction machine, and an environment temperature. Parameter measuring devices are installed on a top of the car and at the brake side of the traction machine. The parameters are collected to a cloud database through a wireless network after being acquired, and a judgment result is given through background automatic analysis. The method is mainly used for monitoring whether key mechanical parts of the elevator are abnormal or not, including guide rail deformation, guide shoe abrasion, car sliding, brake abrasion, adhesion, and the like. This way the health state of the elevator can be automatically monitored, and early warning can be carried out in time when abnormity is found.

Abstract: A transient-voltage-suppression protection device and a manufacturing process therefor, and an electronic product. The transient-voltage-suppression protection device includes a substrate, a first trap, a second trap, a first injection region, and a second injection region, where the first trap and the second trap are sequentially arranged on the substrate from left to right at an interval, have a same doping type that is opposite to a doping type of the substrate, and are respectively provided with the first injection region and the second injection region with opposite doping types. The electronic product includes the transient-voltage-suppression protection device. In the solutions described, protection can be triggered and started at a lower voltage; the capacitance is small, and the manufacturing process is simple.

Abstract: This application relates to an intelligent traffic cloud control system based central system so as to address the problems of the central system in the relevant art being overloaded, and operating at a low rate. An intelligent traffic cloud control system according to an embodiment of this application at least includes a central system, a plurality of control servers, and a plurality of field devices, wherein the central system is connected with the control servers over a network, and the field devices are connected with the control servers over IP address based broadband buses; and the central system is configured to collect data in one or more of the following data collecting modes: monitoring state data of the control servers in real time, inquiring about data from the control servers in non-real time, and subscribing to data from the control servers as needed.

Abstract: The invention relates to the field of controlling road traffic, and particularly to a method for coordinated control in an intelligent traffic cloud control system, and in the method, a central system can perform global coordinated control, or a control server can perform local coordinated control, and if the control server performs local coordinated control, then the control server can distribute a pertinent coordinated control strategy for a particular condition in a service area, thus alleviating the burden on the central system, and reducing the overall amount of data information to be transmitted in the intelligent traffic system, and also shortening the period of time for transmitting the data information so as to improve the efficiency of generating and enforcing the coordinated control strategy, and to address the problem of a traffic jam at a crossing effectively in a real-time manner.

Abstract: The invention relates to the field of controlling road traffic, and particularly to a method and equipment for processing information in an intelligent traffic cloud control system. In the method, a first node distributes subscription messages to control servers, the control servers return information acquired by IP-enabled field devices, and corresponding processing results to the first node upon determining that a preset condition indicated by the subscription messages is satisfied, and the first node generates a corresponding coordinated control strategy or local control strategy according to the returned information acquired by the IP-enabled field devices, and corresponding processing results.

Abstract: This application relates to the field of intelligent traffic technology, and particularly to an intelligent traffic cloud control server, so as to address the problem of a poor ability of the control server to manage and control the traffic. The control server according to an embodiment of this application includes: a first CPU configured to receive traffic data, which is provided by at least one of the plurality of field devices and transmitted by a second CPU, to store, analyze, and process the traffic data, and to generate the first control instruction; and the second CPU configured to receive the traffic data provided by the at least one of the plurality of field devices and to transmit the traffic data to the first CPU; and to receive the first control instruction generated by the first CPU, and to control and manage the field device according to the first control instruction.

Abstract: This application relates to an intelligent traffic cloud control system based central system so as to address the problems of the central system in the relevant art being overloaded, and operating at a low rate. An intelligent traffic cloud control system according to an embodiment of this application at least includes a central system, a plurality of control servers, and a plurality of field devices, wherein the central system is connected with the control servers over a network, and the field devices are connected with the control servers over IP address based broadband buses; and the central system is configured to collect data in one or more of the following data collecting modes: monitoring state data of the control servers in real time, inquiring about data from the control servers in non-real time, and subscribing to data from the control servers as needed.

Abstract: The invention relates to the field of controlling road traffic, and particularly to a method for coordinated control in an intelligent traffic cloud control system, and in the method, a central system can perform global coordinated control, or a control server can perform local coordinated control, and if the control server performs local coordinated control, then the control server can distribute a pertinent coordinated control strategy for a particular condition in a service area, thus alleviating the burden on the central system, and reducing the overall amount of data information to be transmitted in the intelligent traffic system, and also shortening the period of time for transmitting the data information so as to improve the efficiency of generating and enforcing the coordinated control strategy, and to address the problem of a traffic jam at a crossing effectively in a real-time manner.