16results about How to "Reduce the quantity required" patented technology

This invention provides an automatic winding and tape-applying device and method for automotive side curtain airbags. The device includes a loading table, an airbag winding mechanism for winding the airbags, an airbag folding mechanism for folding the airbags, and a tape-applying mechanism for applying tape to the airbags. This device can quickly fold, wind, and apply tape to the loaded airbags. The device automates the winding and tape-applying processes, requiring only loading and unloading personnel, significantly reducing workload and worker requirements, thus improving product quality stability.

The invention relates to the technical field of spectral measurement, in particular to a spectral measurement beam combining device which comprises an input optical cable, a light gathering unit and an output optical cable which are sequentially arranged in the light path propagation direction. The N input optical cables are connected with the N lasers in a one-to-one correspondence manner; emergent ends of the N input optical cables are arranged in parallel so as to transmit laser emitted by the N lasers to the condensation unit in parallel; the light condensing unit converges N beams of parallel laser on an incident light path into one beam of light on an emergent light path; the output optical cable transmits a beam of light converged by the light condensing unit to the spectrograph; n is an integer greater than or equal to 1. According to the invention, the N laser beams emitted by the N lasers can be converged into one beam of light and then transmitted to the spectrograph, so that the N lasers share one spectrograph to carry out spectral measurement, the number of required spectrographs can be reduced, and the equipment purchase and maintenance cost is saved.

This disclosure provides an energy management device and an energy management system, relating to the field of power electronics technology. In this energy management device, a control board and function boards are respectively connected to corresponding connectors on a backplane. A communication processing module is provided on the backplane. The first sub-ports of the control board and the first sub-ports of the function boards are respectively connected to the communication processing module via corresponding adapter hardwired links. This allows the control board and each function board to exchange at least protection signals and control command signals through the adapter function of the communication processing module. Furthermore, the control board can monitor at least one power unit through the function boards. In this disclosure, communication between the function boards and the control board is no longer limited by the number of connection lines between them, thereby reducing the requirement for the number of I / O ports on the control board and the corresponding connectors on the backplane, alleviating the pressure on the number of I / O ports.

This invention relates to a servo control system simulated tracking loop testing device, belonging to the field of servo system technology, and solves the problem of high personnel and product quantity requirements in existing tracking loop testing. A servo system simulated tracking loop testing device includes a host computer and a slave computer. The host computer issues commands to the slave computer through servo system debugging software. The slave computer includes a simulated tracking loop command control module, a target motion curve plotting module, and a simulated tracking loop loop control module. This invention can complete the verification of vibration performance and high / low temperature static and dynamic indicators in servo sub-machine mode, reducing the need for personnel and product quantity, saving human capital, and reducing the management cost of various sub-machine software versions.

The invention relates to a fastener fatigue test device and method. The fastener fatigue test device comprises a pressure driving mechanism, a control mechanism and a test mechanism, the pressure driving mechanism comprises an output port, and the control mechanism is electrically connected with the pressure driving mechanism. The test mechanism comprises a pressurizing seat and a mounting cover, the pressurizing seat is provided with a pressurizing cavity, a first pressurizing port and a mounting hole, the first pressurizing port and the output port are both communicated with the pressurizing cavity, the first pressurizing port is communicated with the mounting hole, the mounting cover is provided with a pressure-bearing column, the mounting cover is connected with the pressurizing seat through a fastener to be tested, and the pressure-bearing column is inserted into the mounting hole. The fastener fatigue test device and method have the advantages that the test efficiency is greatly improved, the loading operation is simple and convenient, the error is small, and the test cost is remarkably reduced.

This invention discloses a multi-branch area protection method for a DC power supply system in extreme scenarios, comprising: S1: determining the main branch unit from each branch unit in the submarine DC power supply network, deploying a measuring device on the main branch unit, and defining the area between every two adjacent main branch units as the protection area; S2: after determining that a fault has occurred, collecting data after the fault. T w Internal main branch unit m and n Initial fault current IFC: i mn and i nm ,in i mn express m Flow direction n The initial fault current, i nm express n Flow direction m The initial fault current was calculated separately. i mn and i nm The average value of the derivative is used to determine the protection zone where the fault is located based on a preset average value threshold; S3: Calculation i mn and i nm The trend of the derivative, and according to i mn and i nm The initial rise time and rise amplitude of the derivative are used to calculate the fault probability, and the fault location is determined based on the trend and fault probability.

The utility model discloses a kind of marine direct-drive permanent-magnetic shaft generator rotor magnetic steel assembling devices, it is related to permanent-magnet motor manufacturing technical field, the device is mainly composed of stop backing plate, anti-overturning cover plate, positioning block, press-in plate and transmission mechanism. Anti-overturning cover plate and transmission mechanism are assembled to positioning block. The power generated by electric or pneumatic tool is pushed press-in plate and magnetic steel after transmission mechanism buffering, magnetic steel enters rotor support magnetic pole box along the magnetic steel guide rectangular channel formed by positioning block and anti-overturning cover plate, keeps the pressure of press-in plate to magnetic steel, and all magnetic steel of one magnetic pole is pressed into rotor support magnetic pole box using stop backing plate. The device uses anti-overturning cover plate and positioning block to form magnetic steel guide rectangular channel and the structure of wave spring for motor to assemble magnetic steel, improve magnetic steel protection effect. Stop backing plate is used instead of magnetic steel assembling device to press one magnetic pole all magnetic steel, and magnetic steel is assembled in the mode that magnetic steel adhesive is completely solidified, reduce tooling quantity, reduce mold cost.

The utility model discloses a kind of electric drive flexible sucking disc, including cover, adapter plate, vacuum adsorption component, vacuum generating unit and electric drive adjusting unit, adapter plate is fixedly connected with cover, the drive several vacuum generating units synchronous rotation of electric drive adjusting unit is unfolded or retracted, vacuum adsorption component is connected to vacuum generating unit by pipeline. The same electric drive flexible sucking disc can suck workpieces of different sizes, reducing the need for different size suction tools, and having the advantage of strong versatility. The time for switching suction tools is avoided, indirectly improving the production capacity of the production enterprise site. The number of spare parts for the suction tool can also be reduced, reducing the maintenance cost of the user. The main body has a vacuum generating unit, reducing the cost of air piping, reducing labor costs, and being more aesthetically pleasing.

The invention discloses a pole roll three-dimensional caching system and a transferring method in the technical field of lithium battery production, the system comprises a partition wall arranged between a roll cutting area and a roll dividing area, and a rectangular winding corridor is arranged in the partition wall; a temporary storage channel is arranged in the rectangular corridor, a stacking machine is arranged in the temporary storage channel, and three-dimensional pole roll temporary storage vertical warehouses are arranged on the two sides of the temporary storage channel. Conveying lines used for pole roll feeding and discharging are arranged at the two ends of the temporary storage channel, and double-door interlocking devices are arranged at the positions, penetrating through the rectangular winding corridor, of the two ends of the conveying lines. Compared with a traditional decentralized and fixed plane-laid pole roll caching frame, the three-dimensional caching system and method for the pole rolls fully utilize the three-dimensional space and can greatly save the plane space, and compared with a decentralized flat-laid pole roll caching frame mode, the system cancels a lifting door and is integrally located in a relatively closed space, so that the space is saved, and the space is saved. The device is suitable for frequent alternate operation, environment management and control of the two areas are not affected, and the pole rolls are also greatly protected from being polluted.

This utility model discloses a connecting device, belonging to the field of cableway freight connection technology. It includes a cableway circulation system composed of a traction cable and a carrying cable. The carrying cable is divided into upper and lower sections, with a connecting component between them. This connecting component consists of a sliding part and a supporting part. The sliding part guides the direction of cargo sliding, while the supporting part maintains the stability of the sliding part's position, enabling seamless transition transportation of cargo between the two carrying cable sections. By adding a connecting component between the upper and lower carrying cables, this utility model forms a continuous transition track, eliminating the need for unloading, handling, and re-hanging of cargo upon arrival at the end. Cargo can slide to the next cableway section with just a light push. Compared to traditional methods, this design eliminates operational interruptions, achieves continuous transfer processes, significantly shortens transfer time, and significantly improves transportation efficiency. Simultaneously, it greatly reduces the intensity of manual handling and repetitive hanging operations, lowers the dependence on the number and skills of operators, and effectively saves labor costs.

The invention discloses an electrocardiosignal classification method based on a dual-threshold neuromorphic reservoir, which comprises the following steps of: 1, receiving an electrocardiogram time sequence signal, and carrying out adjacent time sequence nonlinear coding operation on the electrocardiogram time sequence signal to generate an enhanced feature vector containing an original signal and a second-order interaction feature; step 2, inputting the enhanced feature vector into a dual-threshold neuromorphic reservoir, and generating a dual-channel pulse response sequence by using a dual-threshold pulse neuron to distinguish signal strength states; and step 3, constructing a joint feature vector according to the two-channel pulse response sequence, and inputting the joint feature vector into a classifier to obtain a classification result of the electrocardiosignals. According to the method, through cooperation of feature enhancement and a double-threshold mechanism, the problems that a traditional liquid state machine is poor in linear separability and neurons are prone to saturation are effectively solved, the number of the neurons is greatly reduced, and meanwhile the accuracy and the energy efficiency ratio of arrhythmia classification are improved.

This invention provides a phase self-synchronization method, apparatus, and radar for a digital array radar. The phase self-synchronization method includes the following steps: Step 1. Periodically injecting a receive correction signal into the receiving channel to obtain the offset value of the receive phase difference between channels; Step 2. Extracting the phase of the radio frequency signal leaked from the transmit channel to the receive channel, and calculating the offset value of the closed-loop phase difference between the transmit and receive channels; Step 3. Decoupling the offset value of the receive phase difference between channels from the offset value of the closed-loop phase difference between channels to obtain the offset value of the transmit phase difference between channels; Step 4. Compensating for the phase offset of each receive and transmit channel based on the offset values ​​of the receive phase difference and the transmit phase difference between channels. This invention can compensate for the phase difference drift between the receive and transmit channels in a digital array radar in real time, improving the antenna beam performance under long-term operating conditions.

This invention discloses a distributed series reactor device and control method for power lines, belonging to the field of power systems. The distributed series reactor device includes: introducing distributed adjustable series reactors into the power line between the starting bus and the ending transformer; a distributed series reactor control module acquiring the three-phase current signal of the power line, the three-phase voltage signal of the distributed fine-tuning series reactor, and the DC bus voltage signal of the distributed fine-tuning series reactor, generating fine-tuning control signals and coarse-tuning control signals; controlling the number of distributed coarse-tuning series reactors connected through the coarse-tuning control signal, and then connecting them to a preset reactance value through the fine-tuning control signal; continuously adjusting the reactance parameters of the power line between the starting bus and the ending transformer. This invention continuously changes the equivalent reactance of the power line through distributed adjustable series reactors, achieving three-phase imbalance management and power flow distribution adjustment, reducing system costs and losses, and improving operational reliability.

The utility model belongs to the technical field of hydraulic transmission, and discloses a hydraulic system and an operating machine, and the hydraulic system comprises a plurality of action execution loops and a digital displacement pump. The digital displacement pump comprises a plurality of sets of output loops, and each set of output loops comprises a plurality of intra-set plunger assemblies, a shared flow distribution oil way, a shared switch valve used for controlling the on-off of the shared flow distribution oil way and an output oil way. And in any group of output loops, the plurality of intra-group plunger assemblies are connected with the shared flow distribution oil way and the output oil way, and the shared flow distribution oil way shunts oil from the plurality of intra-group plunger assemblies under the condition that the shared switch valve is switched on, so that the oil quantity reaching the output oil way from the plurality of intra-group plunger assemblies is adjusted. According to the system, only one digital displacement pump is needed to realize oil supply driving of a plurality of action execution loops, and each output loop in the digital displacement pump only needs one common switch valve to realize output displacement control, so that the number of the common switch valves is reduced, and the cost is greatly reduced.