61results about How to "Realize cascading" patented technology

The invention relates to the Ethernet technology and discloses a method and a device of power over Ethernet. A PD (powered device) is used to input power through a POE (power over Ethernet) port. Electricity is obtained from external PSE (power sourcing equipment). The obtained electricity is supplied to a terminal device and at least one second PSE. The PD of the POE port is connected with the second PSE and the second PSE supplies power to the PD. By means of cascade PSE, one single external PSE can not only supply power to the PD which is connected with the PSE through the POE port but supply power to one or multiple sequential cascade PDs, so that power supply efficiency of the PSE is enhanced effectively. The second PSE can obtain electricity from the POE port directly so that efficiency of energy conversion is further enhanced.

The invention relates to the field of security and protection and surveillance video, and discloses a surveillance video matrix system, a network and cascade switch and band width adjustment methods of the surveillance video matrix system. The surveillance video matrix system comprises a high-speed bus and a processor, wherein video picture signals are directly converted into high-speed bus signals, encoding and decoding are not carried out, low latency is realized, data are not damaged or compressed in the transmission process, picture quality is high, video edition can be directly carried out, and secondary processing is needless. The surveillance video matrix system further comprises a photoelectric transducer, optical signals are converted into electric signals, input and output of various ports are supported, and seamless joint of anolog signals and digital signals is realized. As extension of the surveillance video matrix system, two optical fiber cascade panels are connected through optical fiber backbones, the optical fiber transmission advantages of large communication capacity and long transmission distance can be fully played, and transmission of any video can be achieved.

The invention discloses a frequency selection surface structure based on multilayer annular slit pasters. The frequency selection surface structure is composed of N*M resonance units. The resonance units comprise two medium substrates in parallel arrangement, the upper surface and the lower surface of each medium substrate are each provided with an annular slit paster, and the structure of each annular slit paster is specifically formed in such a way that rectangular slits are respectively arranged at the center points of four edges of an inner ring of an FSS annular paster, the rectangular slits being symmetrical about the edge center points of the inner ring. According to the invention, four annular slit pasters are employed, cascading of a multi-stage band-stop filter is realized, the band-stop performance is better, and the bandwidth is wider.

The invention discloses programmable device-based signal conversion equipment, which comprises a communication interface module, a control module, an LVDS image demodulating module, an SERDES image demodulating module, an SERDES image sending module, an RGB converting module, an SERDES image transmitting and packaging module, an LVDS converting module, an MIPI converting module, a TTL interface module and extended interfaces. The signal conversion equipment is designed based on a programmable device and is compatible with LVDS signals, DP signals, MIPI signals, LVDS signals and TTL signals to realize the signal conversion from LVDS signals to DP signals / MIPI signals / LVDS signals / TTL signals. The output signals of the signal conversion equipment can be expanded and applied to signal sources required for multiple tests on modules. Meanwhile, the signal conversion equipment enables the signal cascading function and realizes the cascading function of SERDES signals and the converting function of TTL signals to DP video signals. Therefore, the extensibility of the signal conversion equipment is realized.

The invention discloses a method for realizing video conference cascade. The method comprises that during conference, the terminal receives audio and / or video data from a first conference, processes according to self-followed protocols and transmits the processed audio and / or video data to the network occupied by a second conference, and / or, the terminal receives audio and / or video data from the second conference, processes according to self-followed protocols and transmits the processed audio and / or video data to the network of the first conference. Simultaneously, the invention discloses a terminal for realizing video conference cascade. By adopting the method and the terminal of the invention, video conference cascade can be effectively realized on premise of ensuring audio and video quality.

The invention relates to a lithium battery pack utilizing a phase-change material to realize temperature control. The lithium battery pack comprises a sealing chamber, wherein a plurality of lithium batteries are fixedly arranged in the sealing chamber through a battery holding structure; the sealing chamber is filled with the phase-change material used for performing temperature control on the lithium battery; heat conductors are respectively cladded on the lithium batteries so as to form lithium battery units; the gap between any adjacent lithium battery units and the gap between the lithium battery units and the inner chamber walls of the sealing chamber are filled with the phase-change material respectively. The heat conductors are respectively cladded on the lithium batteries, so that the heat radiated from each lithium battery is transferred to the phase-change material through the heat conductors, and the problems of local heat conduction and uneven radiation are avoided.

The invention discloses an intelligent battery management system based on supercapacitor active equalization. The intelligent battery management system based on the supercapacitor active equalization comprises a battery pack, a detection / protection system, an active equalization system, a main controller system and a display system, wherein the main controller system is respectively in bidirectional communication with the signal end of the display system and the signal end of the detection / protection system, the control signal output end of the main controller system is communicated with the signal input end of the battery pack through the active equalization system, and the detection / protection system is in bidirectional communication with the battery pack. Compared with an existing intelligent management system, through the intelligent battery management system based on the supercapacitor active equalization, switching speed can be improved to dozens of kHz, energy transfer efficiency can be improved effectively, reliable switching logic is achieved, system safety is ensured, the energy transformation efficiency of the system is made to be higher, and energy consumption is smaller. Multiple battery packs can be monitored simultaneously, cascade of the battery packs can be achieved, and requirements of complex systems can be met. Through the visual design of a human-computer interface, system parameters can be set conveniently, and states of the battery packs can be known clearly.

The invention discloses a battery module, a battery pack and a vehicle. The battery module comprises a laminated body, the laminated body comprises a plurality of stacking bodies, and each stacking body is formed by stacking a plurality of soft package battery cells; in one stacking body, the positive and negative tabs of each soft package battery cell are respectively connected to form a positiveand negative connecting part, and the stacking body is connected in series with the negative connecting part / positive connecting part of another stacking body adjacent to the stacking body through the positive connecting part / negative connecting part; a terminal tab protective case provided on the positive electrode connection part or the negative electrode connection part of the stacking body atboth ends; two first positioning structures are arranged at the two ends of the base respectively, and each first positioning structure comprises a cylindrical through hole and a cylindrical groove threaded hole. The single soft package battery cells in the battery module are connected in parallel, and the series tabs are directly connected, so that the cascade connection among the stacking bodymodules is realized. Series-parallel copper bars and external installation structures are reduced, module group accessories are reduced, the cost and the weight are reduced, and the space utilizationrate is increased.

The invention relates to an artificial neuron and a neural network, in particular to a fusion neuron model, a neural network structure, an inference method and a training method of the neural networkstructure, a computer readable storage medium and computer equipment. Each synaptic connection weight of the fusion neuron model is any continuous derivable nonlinear function, and linear-to-nonlinearmapping is realized on the synaptic weight. The neural network structure forms a hierarchical structure by taking a fusion neuron model as a basic composition unit, and the reasoning method comprisesthe following steps: substituting input data into a connected nonlinear weight function, calculating a connection weighting result, and summing all weighting results of neurons, and directly transmitting the weighted results to a next-stage neuron; carrying out forward transmission in sequence to finally obtain an identification result. According to the training method, parameters of a neuron model are optimized through a back propagation algorithm and a gradient descent algorithm; and the computer readable storage medium and the computer equipment can realize specific steps of the reasoningmethod and the training method.

The embodiment of the invention discloses a cascade method for storage device, a storage system and a storage device. The method includes at least two storage devices, each of which comprises at least two interconnection ports, wherein the first storage device is connected to a PCIE bus cable led out of a control device through high speed peripheral equipment interconnection PCIE bus adapter; the first storage device converts a PEIE signal inputted from the PCIE bus cable into at least two pairs of same conversion signals, and outputs to other interconnection ports of the first storage device; the other interconnection ports of the first storage device are connected to other storage devices expect the first storage device by PCIE bus cables. The embodiment of the invention also provides a storage device and a storage system. The embodiment of the invention can realize cascade of multiple storage devices, thus improving the system storage space.

The invention provides a LoRa separation type Internet of Things relay gateway system. The system comprises a receiving terminal and a sending terminal. The receiving terminal is arranged in an indoorweak LoRa signal coverage area and is used for receiving data sent by each LoRa application device in the indoor weak LoRa signal coverage area and sending the data to the sending terminal. The sending terminal is arranged in an outdoor strong LoRa signal coverage area and is used for receiving the data sent by the receiving terminal and sending the data to the LoRaWAN gateway server. According to the LoRa separation type Internet of Things relay gateway system, no extra network operation cost exists during deployment, engineering deployment is relatively simple, transparent transmission of data of the LoRa application equipment in the weak coverage area is achieved, and coverage of the LoRa weak coverage area is optimized.

The invention provides a mining intrinsic safety type power box which comprises an outer shell, a switch, a charging connector, a cascading connector, an output connector, a charging battery and a circuit board, wherein the switch, the charging connector, the cascading connector and the output connector are fixedly installed on the outer shell in a sealed mode, and the charging battery and the circuit board are arranged inside the outer shell. A discharging control circuit, an undervoltage detection circuit, a first isolation converting circuit, a second isolation converting circuit, a first automatic switchover circuit, a second automatic switchover circuit, a first intrinsic safety protection circuit, a second intrinsic safety protection circuit and a light-emitting diode (LED) indicator light are arranged on the circuit board. The battery is in electric connection with the charging connector and the discharging control circuit respectively. The discharging control circuit, the undervoltage detection circuit, the two isolation converting circuits, the two automatic switchover circuits and the two intrinsic safety protection circuits are respectively and sequentially in electric connection. The switch is electrically connected with the discharging control circuit. The automatic switchover circuits are in electric connection with the cascading connector. The intrinsic safety protection circuits are in electric connection with the output connector. When the mining intrinsic safety type power box is used, operation and cascading are convenient, working is reliable, safety performance is good, automatic switchover can be achieved, and an emergency power supply can be incessantly supplied for a communication base station for a long time.

The invention provides a highly-integrated on-board driving wall washer. The highly-integrated on-board driving wall washer comprises a control module, a DC-DC constant-current driving module, an LEDlight source module and a heat dissipation lamp body. The LED light source module comprises an LED substrate and an LED lamp string; the LED substrate is installed on the front face of the heat dissipation lamp body. The control module comprises a first double-sided board, and components of the control module are mounted on the front surface of the first double-sided board; the DC-DC constant-current driving module comprises a second double-sided board, and components of the DC-DC constant-current driving module are mounted on the front surface of the second double-sided board; a threading hole is formed in the heat dissipation lamp body; a connecting hole corresponding to the threading hole is formed in the LED substrate; the first double-sided board of the control module, the second double-sided board of the DC-DC constant-current driving module and the LED lamp string of the LED light source module are attached to the front surface of the LED substrate; the middle area of the back surface of the first double-sided board is opposite to the connecting hole in the LED substrate; the pad in the middle area of the back surface of the first double-sided board is connected with a harness. The highly-integrated on-board driving wall washer is compact, the integration level is high, and cascade connection is convenient.

The invention provides a data information management system for power equipment, and the system comprises a data collection end disposed on the power equipment, a management system and a processing system, wherein the management system and the processing system are respectively connected with the data collection end. The data collection end comprises an equipment parameter collection terminal anda video information collection terminal, which are disposed on the power equipment. The management system comprises a control host, a data concentrator and a data exchanger, wherein the data concentrator and the data exchanger are connected with the control host. The processing system is of a multilayer processing structure, and comprises an equipment layer, a network layer, a scheduling layer anda transmission layer, wherein all layers are respectively provided with an independent information preprocessing unit. The system can meet the development demands of information integration of powerequipment, can enable terminal equipment which cannot achieve the mutual data direct connection and data unified communication previously to achieve the autonomous call and communication function, achieves the communication of power system equipment and expandable cascading of the data collection design, and is worth of being widely popularized and used.

The invention discloses a battery module, a battery pack and a vehicle. The battery module comprises a laminated body, the laminated body comprises a plurality of stacking bodies, and each stacked body is formed by stacking a plurality of soft package battery cells; in one stacking body, the positive and negative tabs of each soft package battery cell are respectively connected to form a positiveand negative connecting part, and the stacking body is connected in series with the negative connecting part / positive connecting part of another stacking body adjacent to the stacking body through thepositive connecting part / negative connecting part; an end holder provided on the positive electrode connection portion or the negative electrode connection portion of the stacked body at both ends; and an intermediate bracket provided between two adjacent stacking bodies. The single soft package battery cells in the battery module are connected in parallel, and the series tabs are directly connected, so that the cascade connection among the stacking body modules is realized. Series-parallel copper bars and external installation structures are reduced, module group accessories are reduced, thecost and the weight are reduced, and the space utilization rate is increased.

The application discloses a line card frame. The internal part of the line card frame comprises a line card unit, a switching unit, and an optical fiber interface unit, the switching unit comprises a switching chip module and an onboard optical assembly module, the onboard optical assembly module is used for realizing mutual conversion of optical signals and electric signals, an electric signal interface of the onboard optical assembly module is connected to the switching chip module with a switching routing function, the switching chip module is connected to the line card unit through an electric connector, an optical signal interface of the onboard optical assembly is connected to the optical fiber interface unit through an optical connector, the optical signals are connected to a cluster interface on a router panel through optical fibers by the optical fiber interface unit, and the cluster interface is used for cascade between different frames of a router. The application also discloses a router employing the line card frame, and routing and message processing methods.

The invention relates to a special gas distribution box and a part replacement method thereof. The special gas distribution box comprises a nitrogen treatment pipe, high-speed flowing nitrogen in the nitrogen treatment pipe is used for generating siphon negative pressure, special gas inside a pipe where a to-be-replaced part is located is extracted, nitrogen is inflated into the pipe where the to-be-replaced part is located through a nitrogen main pipe, extraction and inflation are repeatedly executed multiple times until the concentration of the special gas in the pipe approaches to zero, and then the to-be-replaced part is replaced; an external connection sucking pump and a tail gas treatment system in the prior art are replaced with the nitrogen treatment pipe, and therefore influences of site space and environment and limitation of factory affair arrangement are effectively avoided; and in addition, part replacement operation is simple and safe, and the success rate is high.

The invention provides an FPGA based protocol conversion device. The FPGA based protocol conversion device comprises an HUB module, a RMII module, an MPU-TO-IO module, an IO-TO-MPU module and a CRC module and is used for converting an Ethernet link layer protocol to a CAN2.0B protocol. The FPGA based protocol conversion device faces to applications of industrial communication with high reliability and realizes rapid and stable delivery of Ethernet information and a protocol conversion function.

The invention provides an intelligent irrigation device. The intelligent irrigation device comprises a shell, a water pump, a water inflow pipe, a water outflow pipe and an intelligent controller. The intelligent controller controls the water pump to be periodically started and stopped so as to supply water to plants to be irrigated, one device can serve multiple flowerpots at the same time, all the flowerpots have different irrigation water yields under the same irrigation time condition by adjusting the opening of a tail end valve of a water path connected with each flowerpot, double-power-source design is adopted, opto-coupler isolation is adopted between two power source systems, and the influences of electromagnetic pulses generated after a motor is started on the stability of a control system are effectively isolated. Rubber vibration reduction design is adopted for the internal water pump, noise generated by resonance of the water pump is effectively lowered, the total-aluminum shell is adopted in the device, noise is effectively lowered, the better heat dissipation effect is provided, and electromagnetic radiation generated by the equipment motor can be shielded at the same time. Based on the communicating vessel principle, water tank cascading is achieved, and the impounding capacity is freely expanded.

The invention discloses a differential clock tree circuit for a high-speed multi-channel interface bus. The differential clock tree circuit for the high-speed multi-channel interface bus has the characteristics of being low in jitter, simple in structure, capable of being cascaded and high in anti-noise capability, and long-distance transmission of a high-speed clock can be achieved. The highly symmetric full analog differential clock tree circuit of the invention has the characteristics of being low in jitter, simple in structure, capable of being cascaded and high in anti-noise capability, and long-distance transmission of the high-speed clock can be achieved. A cascade circuit formed on the basis of the differential clock tree circuit is of a full differential structure, the differential structure appears in pairs and has strong ability to suppress noises; secondly, the structure adopted by the differential clock tree circuit is a differential input / output structure form, which canrealize cascading; thirdly, a field-effect transistor is used for bias power supply, thus noises on the power supply and ground can be shielded, and the low-jitter characteristics can be realized; andfinally, a collector series resistor of a transistor is adopted to reduce the swing amplitude of a differential signal, the driving capability is high, and long-distance transmission can be realized.

The invention provides a single-switching-tube converter Boost-Buck-Boost converter. According to the invention, an input Boost converter is formed by a DC (Direct Current) power supply (Vin), a switching tube (S), a first diode (D1), a third diode (D3) and a first capacitor (C1); and an output Buck-Boost converter is formed by the first capacitor (C1), the switching tube (S), a second diode (D2), a second capacitor (C2) and a load (R). Cascading of the Boost converter and the Buck-Boost converter is implemented only by using one switching tube (S) and a gain can reach D / (1-D)2. Moreover, an input current of the cascaded converter is continuous, which is very beneficial for filtering the input current.

The invention discloses a method for modulating single-phase cascade alternating-current high-frequency link bidirectional converters. The method includes generating direct-current voltage signals with identical amplitudes by the aid of direct-current power supplies of various high-frequency link units; modulating the direct-current voltage signals by the aid of preceding-stage inverters and generating identical high-frequency square-wave voltage signals; carrying out voltage class transformation and electric isolation by the aid of high-frequency transformers; carrying out decoupling modulation by the aid of matrix converters, allowing the matrix converters to be equivalent to two groups of independent inverters and controlling the two groups of independent inverters; carrying out carrierphase-shift cascade modulation on the various high-frequency link units, carrying out cascade on voltages outputted by the various high-frequency link units, filtering the voltages and then generating stable sine waves. The method has the advantages that the method is flexible and reliable, high equivalent switching frequencies can be obtained under the condition of low device switching frequencies, output voltage waveforms can be improved, and output harmonic waves can be reduced.

The invention relates to the field of audio processing and discloses an audio processing device. The audio processing device is used for voice audio acquisition under the conditions of high background noise and small space. The audio processing device comprises a power supply, an audio input device, an MCU device and a communication device. The invention further discloses an audio processing method with the audio processing device adopted. The audio processing device and method have the advantages that the device and method can be used for audio acquisition in the environment in a spacious room and are particularly suitable for meeting rooms and courts, the acquired audio quality is good, the sound sharpness is high, the audio processing method an device are suitable for occasions where audio analysis is needed for voice control, and the application value is high.

The invention discloses a battery module, a battery pack and a vehicle. The battery module comprises a laminated body, the laminated body comprises a plurality of stacking bodies, and each stacking body is formed by stacking a plurality of soft package battery cells; in one stacking body, the positive and negative tabs of each soft package battery cell are respectively connected to form a positiveand negative connecting part, and the stacking body is connected in series with the negative connecting part / positive connecting part of another stacking body adjacent to the stacking body through the positive connecting part / negative connecting part; an end holder provided on the positive electrode connection portion or the negative electrode connection portion of the stacked body at both ends;and an intermediate bracket provided between two adjacent stacking bodies. The single soft package battery cells in the battery module are connected in parallel, and the series tabs are directly connected, so that the cascade connection among the stacked body modules is realized. Series-parallel copper bars and external installation structures are reduced, module group accessories are reduced, thecost and the weight are reduced, and the space utilization rate is increased.

The embodiment of the invention discloses a video processor comprising a video input processing device, a video output processing device, a master control device and a backboard device. The backboarddevice comprises a matrix switching module, a video input processing device connecting port, a video output processing device connecting port, a master control device connecting port, an extension device connecting port and a programmable logic device. The programmable logic device is connected with the master control device connecting port and the extension device connecting port and connected with the video input processing device connecting port through a first ethernet physical layer transceiver group and connected with the video output processing device connecting port through a second ethernet physical layer transceiver group. The invention also discloses a backboard communication method. The communication rate can be enhanced and point-to-point communication can be realized.

The invention discloses a battery module, a battery pack and a vehicle. The battery module comprises a laminated body, the laminated body comprises a plurality of stacked bodies, and each stacked bodyis formed by stacking a plurality of soft package battery cells; in one stacking body, the positive and negative tabs of each soft package battery cell are respectively connected to form a positive and negative connecting part, and the stacking body is connected in series with the negative connecting part / positive connecting part of another stacking body adjacent to the stacking body through thepositive connecting part / negative connecting part; an end holder provided on the positive electrode connection portion or the negative electrode connection portion of the stacked body at both ends; and an intermediate bracket provided between two adjacent stacking bodies. The single soft package battery cells in the battery module are connected in parallel, and the series tabs are directly connected, so that the cascade connection among the stacking body modules is realized. Series-parallel copper bars and external installation structures are reduced, module group accessories are reduced, thecost and the weight are reduced, and the space utilization rate is increased.

The invention provides a structure and method for realizing receiving synchronization of multiple RapidIO test board cards and test equipment. The test board comprises a backboard and a plurality of cascaded RapidIO test board cards, wherein each RapidIO test board card is provided with a synchronous clock output interface, a synchronous clock input interface, a synchronous clock generation deviceand a clock selector, and the synchronous clock input interface of each RapidIO test board card is connected with the synchronous clock output interface of the previous RapidIO test board card; the input end of each RapidIO test board card clock selector is respectively connected with the synchronous clock generation device and the synchronous clock input interface of the RapidIO test board card;and the clock selector is used for selecting a clock signal of the RapidIO test board card and transmitting the clock signal to the next RapidIO test board card. A GPS timing system module does not need to be used, hardware circuits among the multiple RapidIO test board cards are the same in composition, master and slave modes are switched through a dial switch, signal synchronization of the multiple board cards can be achieved from hardware operation, multiplexing and cascading of the multiple board cards are achieved, use is easy and convenient, and implementation is easy.

The invention discloses a method and a system for distributed asynchronous management of telecommunication equipment based on an SNMP (Simple Network Management Protocol). The method comprises the following steps: a network manager sends an original SNMP request message to a main agent device, and selectively adds a custom SNMP community name to a main agent SNMP message community of a UDP message header according to the service need; after receiving the original SNMP request message, the main agent device judges whether there is a custom SNMP community name; if there is no custom SNMP community name, main agent device treatment is carried out; if there is a custom SNMP community name, the main agent device repackages the original SNMP request message to get a new SNMP request message according to the custom SNMP community name; an NAT forwarding table is saved; a sub agent device receives the new SNMP request message, generates an original SNMP response message, and sends the original SNMP response message to the main agent; and after receiving the original SNMP response message, the main agent queries the NAT forwarding table, repackages the original SNMP response message to get a new SNMP response message, and forwards the new SNMP response message to the network manager.

The invention provides an extended multi-input multi-level conversion circuit which comprises a preceding-stage converter X and a backward-stage full-bridge unit Y. The preceding-stage converter X comprises a direct-current input voltage source V0 and i switched capacitor basic modules. The relationship between the output level number N of the extended multi-input multi-level conversion circuit and the number i of the switched capacitor basic modules is as follows: N=4i+5; wherein the switched capacitor basic module comprises a switching tube S<i,1>, a switching tube S<i,2>, a switching tube S<i,3>, a switching tube S<i,4>, a diode D<i,1>, a diode D<i,2>, a diode D<i,3>, a capacitor Ci and a direct-current input voltage source Vi, and i belongs to N<*>; the rear-stage full-bridge unit Y comprises switching tubes Q1, Q2, Q3 and Q4; and the collector of the switching tube Q1 in the rear-stage full-bridge unit Y is connected with the emitters of the switching tube S<i,4> in the front-stage converter X. Cascading of basic modules of the switched capacitor is realized, and the problem of unbalanced capacitor voltage is solved.