20results about How to "Reduce installation complexity" patented technology

The utility model relates to traffic detection technical field in intelligent traffic system especially, more particularly to a kind of traffic detection device based on millimeter wave radar, comprising: the picture acquisition mechanism of being set to device front end;First trigger radar and picture acquisition mechanism are sequentially arranged, detect vehicle entry condition;Second trigger radar and first trigger radar are sequentially arranged, confirm vehicle existence state;Transaction identification antenna is set after second trigger radar;Third trigger radar and transaction identification antenna are installed in same position, identify vehicle transaction success and send signal;Flow radar and third trigger radar are sequentially arranged;Gate lever and third trigger radar are communicatively connected, perform lifting action;Anti-smashing radar and gate lever are set in same position, detect vehicle after passing through and carry out relay attraction to complete gate lever pole falling action;Display is set in whole device end. The utility model greatly reduces installation complexity and long-term maintenance cost, and improves the comprehensive detection capability of the system.

This application discloses a monitoring device for the operational status of urban lighting cables, belonging to the field of cable monitoring technology. It includes a housing and a control module, a monitoring module, and a communication module integrated into a circuit board within the housing. The housing is detachably installed inside a streetlight and electrically connected to an external power source. The monitoring module monitors the cable's operational status and feeds back data to the control module. The control module classifies the data and transmits it to external devices via the communication module. This invention, through its monitoring module, can comprehensively collect real-time operational data of lighting cables, overcoming the time limitations of traditional manual inspections and enabling continuous 24 / 7 monitoring. It also significantly improves the timeliness of fault warnings, increases monitoring efficiency, and accurately identifies latent defects in the lighting cables during operation, ensuring the normal and stable operation of the urban lighting system.

The utility model relates to a ventilation equipment field provides a kind of air duct assembly, air conditioning system and vehicle.Wind channel component includes air supply device, air supply device includes wind box, and wind box is opened with air inlet and air outlet, air inlet is provided with filter piece, and the position corresponding with air inlet in wind box is provided with air guide piece;Distribution box, fluid communication is in air outlet, and distribution box is provided with valve group, and distribution box includes first air duct, second air duct and third air duct, first air duct is fluid communication with the driver's room of vehicle, second air duct is fluid communication with the traction motor cabin of vehicle, third air duct is fluid communication with the passenger room of vehicle, and valve group is used to distribute the air intake of first air duct, second air duct and third air duct.The air duct assembly can make the airflow output of each air duct stable, avoid the air supply fluctuation caused by external wind pressure variation, ensure the comfort of driver's room, passenger room and the heat dissipation effect of traction motor cabin, improve the reliability of vehicle operation, simplify the structure of air duct assembly.

This utility model discloses a copper busbar installation structure for a cable branch box, belonging to the field of cable branch boxes. It includes a cable branch box body, with an installation plate slidably connected to the inner cavity of the body. Structural grooves are formed on one inner wall of the body and one side of the installation plate. Several lead screws are arranged within the inner cavity of the structural grooves, with corresponding lead screws fixedly connected by connecting rods. A sliding block is threaded onto the outer ring of each lead screw, and an L-shaped stop block is fixedly connected to one side of the outer surface of the sliding block. Through the coordinated use of these devices, multiple copper busbars can be simultaneously fixed, significantly improving installation efficiency. This avoids problems such as scratches on the copper busbar surface or deformation of bolt hole edges caused by improper manual operation in traditional bolt fixing methods, effectively protecting material integrity, improving the safety and reliability of electrical connections, simplifying the operation process, and reducing installation complexity.

This invention provides a battery cabinet with a first mounting cavity and a second mounting cavity. Multiple battery packs are disposed within the first mounting cavity, and the air inlet and liquid outlet of each battery pack are connected to a receiving cavity for accommodating cooling medium and battery modules. A fire-fighting device is disposed on the cabinet and is connected to each air inlet to deliver fire-fighting gas into each receiving cavity. A storage device is disposed within the second mounting cavity, and the storage device has an interconnected storage cavity and an air outlet. The storage cavity is used to store cooling medium, and the first mounting cavity is connected to the storage cavity to discharge hazardous gases. Each liquid outlet is connected to the storage cavity to deliver cooling medium and fire-fighting gas into the storage cavity. An exhaust device is disposed on the cabinet and is connected to the air outlet to discharge fire-fighting gas and hazardous gases. This invention effectively solves the problem of low economic efficiency in existing energy storage battery cabinets.

The application provides a host and a food processor. The host comprises a panel, a first positioning hole is formed in the panel, a knob, and a control board assembly. The knob is installed on the control board assembly and clamps the panel between the control board assembly and the knob. The control board assembly comprises a front shell and a control board. The front shell is provided with a coaxial positioning outer ring and a positioning inner ring. The positioning outer ring penetrates the panel and cooperates with the first positioning hole. The positioning inner ring forms a second positioning hole. The control board is provided with a knob switch. The knob switch cooperates with the second positioning hole and the knob. The host and the food processor of the application can improve the concentricity of the panel and the knob.

The application relates to the technical field of saline-alkali soil irrigation, and discloses a saline-alkali soil irrigation system and method based on electric water folding and an electrode array layout, wherein the saline-alkali soil irrigation system comprises electrodes arranged in an array, a power supply assembly and a control assembly arranged at the edge of the saline-alkali soil, and a sensor assembly uniformly arranged in the saline-alkali soil; the power supply assembly is electrically connected with the control assembly; the control assembly is electrically connected with the electrodes and the sensor assembly; the sensor assembly comprises a moisture sensor and a salt content sensor; the electrodes are divided into three groups; the embedding depth of the electrodes in the third group is 1.6-2 times that of the electrodes in the second group; the embedding depth of the electrodes in the second group is 1.6-2 times that of the electrodes in the first group; and the electrodes comprise negative electrodes and positive electrodes. Through the technical scheme, the problem that the irrigation amount cannot be accurately controlled due to the fact that the moisture parameters and the salt content parameters in the soil cannot be obtained in a timely manner in the existing saline-alkali soil is solved.

This invention relates to the field of building equipment automation and predictive maintenance technology, and particularly to an online control method and device for HVAC duct gas. The method includes: acquiring pressure signals from a closed-loop HVAC duct system; extracting multi-dimensional fluctuation features from the pressure signals to obtain pressure signal characteristics; weighted fusion of the signal features to obtain a comprehensive diagnostic index; based on the pressure signals, performing fault-tolerant judgment on the operating conditions of the HVAC duct; determining the diagnostic threshold of the comprehensive diagnostic index based on the fault-tolerant judgment result; comparing the comprehensive diagnostic index with the diagnostic threshold; and executing corresponding graded exhaust control actions for the HVAC duct based on the comparison result. This invention can solve the problems of high hardware and maintenance costs, difficulty in detecting accumulated trace gases in existing technologies, and the limitations of detection technologies, which are limited to direct detection or single-feature judgment, and cannot effectively identify dynamic pressure fluctuation characteristics, making early and accurate gas diagnosis difficult.

This utility model relates to the field of energy storage technology, and in particular to a photovoltaic-storage off-grid device. An off-grid photovoltaic-storage device includes an integrated cabinet housing a battery pack, a PCS module, an STS module, and an EMS module. The STS module is connected to the power grid and the EMS module, and is used to detect the grid status and send a status signal to the EMS module when the grid is de-energized. The EMS module is used to control the PCS module to switch from grid-connected mode to off-grid mode based on the status signal, so that the battery pack can supply power to the load; it is also used to switch the PCS module back to grid-connected mode when the grid is restored.

The utility model discloses an electric loader cooling system and electric loader, electric loader cooling system includes: radiator, cooling pump, the entrance of cooling pump is connected the cooling liquid export of radiator, a plurality of groups of cooling pipeline, the one end of each group cooling pipeline is connected the export of cooling pump, the other end of each group cooling pipeline is connected the confluence pipeline after along the set route through the working device of waiting for cooling, the confluence pipeline is connected the cooling liquid import of radiator. The utility model integrates one body to multiple electric cylinders and its electric control heat dissipation, has reduced the quantity of independent heat dissipation unit, has reduced space occupancy and installation complexity, has improved the heat dissipation efficiency, has saved whole car installation space simultaneously, and the production, manufacturing cost is low.

This invention relates to the field of industrial automation testing technology, specifically disclosing a method for online intelligent detection and dynamic compensation of pH for high-concentration organic solvents. Based on only collecting the original pH reading and real-time temperature, the method reconstructs the solvent concentration, dielectric constant, and dynamic response factor, forming a five-dimensional feature vector with the aforementioned two measured values. This feature vector is input into a support vector regression or online sequential extreme learning machine model that dynamically switches according to the sample size, outputting the corrected true pH value to replace the original reading in closed-loop feedback control. Simultaneously, an incremental learning mechanism is built-in. When the residual between the model's predicted value and the offline test value exceeds the allowable range, the model parameters are automatically updated with new samples. Furthermore, by performing a cumulative sum test on the corrected residual sequence, the method actively senses electrode aging drift, requests offline testing in a targeted manner, and updates the model parameters online using a recursive least squares algorithm, achieving pH measurement without the need for additional hardware environmental sensing.

The application provides a magnetic suspension rotor fundamental frequency vibration signal real-time monitoring method and system, and belongs to the technical field of magnetic suspension bearings; the method comprises the following steps: collecting an original displacement signal; using an adaptive wave trap to pre-process the displacement signal; selecting an initial voltage signal according to the real-time rotating speed frequency of the magnetic suspension rotor V c , and inputting the pre-processed displacement signal into a phase-locked loop unit; the phase-locked loop unit is used for tracking the fundamental frequency component in the displacement signal which is synchronous with the rotating speed, and outputs an instantaneous frequency value and an instantaneous phase value which are synchronous with the fundamental frequency component, and two reference signals; a synchronous demodulator is configured, and based on the instantaneous frequency value, the instantaneous phase value, the two reference signals and the original displacement signal output by the phase-locked loop unit, the real-time amplitude of the fundamental frequency vibration component is extracted; and a rotor unbalanced vibration state vector including the real-time amplitude of the fundamental frequency vibration component, the real-time instantaneous phase value and the real-time instantaneous frequency value is output.

The utility model discloses a lock box subassembly and lock box mounting structure. The lock box subassembly is used for setting in the upper rail, and the upper rail has the track groove, and the track groove has the groove side wall, the groove top wall and the groove bottom wall, and the groove bottom wall is provided with the groove opening, and the lock box subassembly includes: the fixed block for inserting in the groove top wall of track groove, the lock box body can rotate between the first position and the second position relative to the fixed block, when the lock box body is in the first position, the lock box body can be loaded into the track groove from the groove opening upward, when the lock box body is in the second position, the both sides of lock box body are used for abutting with the groove side wall or the groove opening respectively to realize the pre -fixing, the fastener is connected between the fixed block and the lock box body, and the fastener can drive the lock box body in the second position and be fixed downward to the groove bottom wall. In this way, the lock box body does not need to be inserted transversely from the end of the upper rail, and the problem that the installation is difficult due to small installation space is effectively solved.

This application relates to a three-transmit, three-receive COMBO PON optical device. The device integrates a transmitting component and a receiving component, which are spatially aligned. The transmitting component contains three lasers and corresponding 45° filters. The receiving component contains a PBS prism, a quarter-wave plate, and multiple bandpass filters, used for beam splitting, polarization control, and selective filtering of downlink optical signals of different wavelengths. These signals are then received by corresponding detectors. By integrating the three transmitted and three received beams into the same device, efficient transmission and reception of COMBO PON optical signals is achieved. This application employs an optical path design of PBS prism + quarter-wave plate + filters + reflective glass, using dual receiving TOs (Transmit Tolerancing Units). This design saves one 1310nm receiving TO, reduces device thickness, and allows placement within SFP-DD and QSFP-DD optical module structures, resulting in a significant thickness reduction compared to previous designs.

The utility model discloses a commercial vehicle fuel theftproof system based on vehicle body controller, including fuel liquid level sensor, vehicle body controller and alarm execution unit. Vehicle body controller integrated main control unit, real time clock chip, state signal communication module, and main control unit integrated nonvolatile storage unit, the system still contains power management module and provides the standby power of power supply path switching, and the alarm execution unit includes local audible and visual alarm and vehicle remote communication unit, and vehicle remote communication unit pushes alarm information to mobile terminal through the cloud. After the vehicle is extinguished, real time clock chip timing wakes up main control unit and monitors fuel, and if it is abnormal to reduce, then alarms, and optimizes power consumption according to the battery state. The utility model discloses high integration, controllable cost, low power consumption, multiple intelligent alarm, can adapt to the complex working condition of commercial vehicle.

The utility model provides a kind of transfer ring and forming machine, wherein, transfer ring includes: ring body, a plurality of for clamping tire cylinder pad and multiple guide components, pad is along the circumferential arrangement of ring body, and can move along the radial direction of ring body;Guide component is arranged between two adjacent pads, in two adjacent pads, one end of guide component is rotatably connected between a pad, and the other end of guide component is slidably connected between another pad.The utility model solves the problem that the concentricity of pad in the expansion and contraction process of the transfer ring in the prior art is poor.

A fast reactive current control method and system for converters based on centralized sampling on the grid side is proposed. Based on the spectral characteristics of composite harmonics, a clustering method is used to obtain the cluster center harmonic frequency bands of multiple frequency bands. The resonant peaks are determined based on the principle that each resonant peak covers two adjacent cluster center harmonic frequency bands. The reduction ratio of the delay time in the repetitive controller is determined based on the frequency of each resonant peak and the fundamental frequency, resulting in an improved fast repetitive controller. The delay element in the feedback branch of the improved fast repetitive controller is decomposed into an integer-order delay element and a fractional-order delay element connected in series. The fractional-order delay element is compensated to obtain a compensated fast repetitive controller. The fast repetitive composite controller obtained by connecting the compensated fast repetitive controller in parallel with a PI controller serves as the improved current inner loop. Based on the voltage outer loop and the improved current inner loop, fast reactive current control is achieved, realizing rapid reactive current compensation.

The utility model discloses an insulating buckling block for damping fastener relates to rail transit technical field, including buckling block body, the buckling flange for buckling upper iron fender plate is provided with in buckling block body top one side, buckling block body lower side is provided with the clamping boss of close cooperation with the long hole of lower iron fender plate, the distance adjusting tooth that buckling block body upper side is provided with with distance adjusting cover board cooperation adjustment fastener overall position, the bolt mounting hole is passed through and is set up in the middle part of buckling block body, and this buckling block can realize electrical isolation with insulating material, can guarantee the strength of insulating buckling block through changing structure, and insulating buckling block and lower iron fender plate close cooperation will distance adjusting cover board and lower iron fender plate separate, play insulating protection function.

This utility model relates to an integrated IoT fan coil unit, including a housing and a surface cooler, a surface cooler bracket, a motor, a fan, a condensate drain pan, and a condensate lift pump located within the housing. The surface cooler is mounted on the surface cooler bracket, and the condensate drain pan is located below the surface cooler and fixed to the surface cooler bracket. The fan is connected and fixed to the central shaft of the motor. It also includes a proportional-integral (PI) control valve, a temperature sensor, an edge calculator, and a thermostat. The PI control valve is connected to the outlet of the surface cooler. The temperature sensor is located at the inlet and outlet of the surface cooler to detect the inlet and outlet water temperatures. The edge calculator is located inside the housing and is electrically connected to the PI control valve, the motor, the temperature sensor, and the condensate lift pump. The thermostat and the edge calculator are connected via Bluetooth. This utility model enables intelligent sensing and precise control of the fan coil unit's operating status, while simplifying the installation and commissioning process of the terminal equipment.

The utility model discloses an assembled graphite product, including base, with the base of graphite block and the circular ring thin wall component of setting outside graphite block and with base intercalation, the circular ring thin wall component includes a plurality of arc blocks of intercalation, and two ends of arc block are equipped with first intercalation block, first intercalation groove. The graphite product provided by the new type has complex structure, and has certain mechanical strength, improves the application of graphite product.