99results about How to "Assurance control" patented technology

The invention relates to a wheel speed redundancy detection system and method, computer equipment, a storage medium and a vehicle. The system comprises four groups of wheel speed detection modules and a first domain controller, the wheel speed detection module comprises a transmission, a driving motor, a rotary transformer sensor and a motor controller; the transmission is connected with wheels of the vehicle; the driving motor is respectively connected with the transmission and the motor controller; the rotary transformer sensor is arranged on the driving motor and is connected with the motor controller; the motor controller is also connected with the first domain controller, and is used for collecting the resolver signal, obtaining a motor rotating speed according to the resolver signal, and obtaining a corresponding wheel rotating speed according to the gear information of the transmission and the motor rotating speed; the first domain controller is used for performing motion control on the vehicle according to the wheel rotating speed. Redundancy of the vehicle wheel speed signals can be achieved based on the rotary transformer sensor, a wheel speed sensor does not need to be used, and a corresponding sensor wire harness does not need to be added, so that the vehicle using cost can be reduced, and the vehicle development period is shortened.

The invention discloses an intelligent drive-by-wire chassis comprehensive control platform, and belongs to the technical field of automobile chassis control. An intelligent drive-by-wire chassis comprehensive control platform is divided into an information interaction processing layer, a state information estimation layer, a control mode management layer, a comprehensive motion control layer and a drive-by-wire execution layer, so that the drive-by-wire chassis can generalize more intelligent capabilities; comprising environment information cognitive ability, chassis fault pre-judgment ability, real-time information interaction ability, vehicle stability autonomous control ability, minimum risk state automatic control ability and failure state autonomous adjustment ability. The chassis health state assessment is used for acquiring the execution capability and the comprehensive health degree of chassis components in real time, carrying out fault definition and division based on the information, and ensuring the implementation or degradation control of an expected target through failure reconstruction control; the minimum risk control module serves as a minimum intelligent driving backup, and it is guaranteed that after an intelligent driving system fails or exceeds a design operation domain, the vehicle can achieve basic decision making, planning and control for guaranteeing safety of the vehicle.

The invention discloses an unmanned aerial vehicle double-unmanned aerial vehicle cooperative intelligent pesticide spraying method for fruit trees, and relates to the technical field of plant protection unmanned aerial vehicles, and the method comprises the steps: deploying a laser radar and a high-precision GPS on an unmanned aerial vehicle, collecting orchard three-dimensional point cloud data, and constructing an orchard three-dimensional point cloud data set; performing data preprocessing on data in the constructed orchard three-dimensional point cloud data set, cleaning the data and performing position correction; an orchard three-dimensional grid model is constructed, orchard areas are divided based on the height of fruit trees, and tasks are allocated to the unmanned aerial vehicle; planning a pesticide spraying path of the unmanned aerial vehicle to execute pesticide spraying operation, and monitoring pesticide sedimentation and spraying effects in real time; the comprehensive score YL of the orchard is obtained according to pesticide spraying data collected in real time, the comprehensive score YL and a preset pesticide spraying evaluation threshold value YZ are compared and analyzed, the current pesticide spraying condition of the orchard is evaluated, and supplementary operation is conducted; pesticide waste caused by height difference of fruit trees is effectively reduced, the coverage rate and uniformity of pesticide spraying are improved, and the working efficiency of the unmanned aerial vehicle is improved.

The invention provides a fixed horizontal tail type fly-by-wire aircraft leveling control law design method, which comprises the following steps of: when an aircraft meets a condition of entering a leveling control law, recording a flight control law integral channel instruction ELNMINT at a triggering moment; generating an elevator control command component ELFLAREFWD through a forward command shaping module based on the joystick displacement signal; the method comprises the following steps: introducing an integral channel instruction ELNMINT into a leveling control law, and obtaining a bias instruction component ELFLAREOFFSET under the leveling control law after the integral channel instruction ELNMINT passes through an instruction amplitude limiting module; subtracting the bias instruction ELFLAREOFFSET from the integral channel instruction ELNMINT to obtain an instruction initial value ELFLAREFADER0 which needs to be faded during instruction transition; after the instruction initial value ELFLAREFADER 0 passes through a desalting device module, a real-time control surface control instruction component ELFLAREFADER is formed; and an elevator control instruction ELCMD under the leveling control law is obtained. According to the method, the switching transient state can be reduced by introducing the flight control law integral channel instruction component into the leveling control law, and the method has remarkable advantages in the aspects of improving the flight safety, optimizing the flight quality, enhancing the system flexibility, improving the automation level and the like.

The invention provides a control system and method for lithium battery pruning shears, and relates to the technical field of equipment control. The method comprises the following steps: firstly, mining a target pruning shear semantic vector corresponding to target pruning shear record data; secondly, determining a historical pruning shear semantic vector having an association relationship with the target pruning shear semantic vector, determining historical blade load state data corresponding to the historical pruning shear semantic vector, and mining a blade load state semantic vector of the historical blade load state data; and then, based on the semantic vector of the target pruning shears, the semantic vector of the historical pruning shears and the semantic vector of the blade load state, determining the blade load state data of the target lithium-ion pruning shears, and based on the blade load state data, controlling the target lithium-ion pruning shears. On the basis of the content, the problem that in the prior art, the reliability of controlling the lithium battery pruning shears is relatively low can be solved.

The invention provides an MPC-based cross-country road vehicle motion control method and device, and partially solves the technical problems of poor safety and stability during high-speed driving on a cross-country road. The method comprises the following steps: modeling according to physical characteristics of the cross-country terrain to form a terrain dynamics model for identifying and quantifying terrain constraints; performing terrain constraint in the path planning process of planning the vehicle dynamics model in the sensing environment through model prediction control to form real-time optimization control of a motion track; and a kinematics control instruction of a vehicle low-level controller is formed according to the real-time optimization control to adjust the motion trail of the vehicle so as to keep stability and safety. A reliable solution is provided for an autonomous driving system passing through a cross-country road surface at a high speed, and the method has important practical application prospects.

A path planning method for autonomous berthing of an unmanned ship is characterized by comprising the following steps that S1, rasterizing is conducted on a feasible space, and each grid serves as a node; s2, setting a ship berthing position as a starting point, setting a current position as an end point, and searching through a mixed A * method to obtain a first path; s3, performing reverse operation on the first path to obtain an actual path; and S4, carrying out real-time collision detection on the actual path, and adjusting the actual path based on a collision detection result. Compared with a traditional ship docking path, the path generated by the reverse mixing A * method with the steering penalty is more suitable for actual operation requirements of the ship in a limited water area. By adding the steering penalty term, the path planning is more reasonable, unnecessary complex turning is avoided, and the applicability and safety of the path are improved. Meanwhile, the mixed A * method can reduce the search cost near a narrow parking end point.

The invention provides a reusable reinforcement cage anti-floating device capable of detecting concrete over-filling, which comprises a base, a lengthening assembly, a mounting seat, a rope testing assembly and a testing assembly, the testing assembly for detecting concrete over-filling is fixed at the lower end of the base, the mounting seat is movably inserted at the upper end of the lengthening assembly, and the rope testing assembly is fixed at the lower end of the lengthening assembly. Compared with the prior art, the steel reinforcement cage anti-floating testing device has the following beneficial effects that a testing assembly capable of testing concrete over-filling is combined with a steel reinforcement cage anti-floating base and a lengthening assembly, so that the steel reinforcement cage anti-floating testing device can be used for testing concrete over-filling; according to the innovative design, the problem that the reinforcement cage body floats upwards easily due to the fact that an empty pile is too long is solved, meanwhile, control over the concrete over-filling amount is guaranteed, the construction quality of an engineering pile is guaranteed, in addition, the device is made of common materials in the market, the project cost is effectively reduced, the project benefits are improved, and the economic benefits are increased. And a reliable solution is provided for engineering construction.

The laboratory equipment informatization management system is provided with experimental equipment, a middle-layer monitoring unit and an upper-layer online management unit, the middle-layer monitoring unit accesses a serial port of the experimental equipment through a switch, collects state data of the experimental equipment, collects environment data of an environment where the experimental equipment is located, and sends the state data to the upper-layer online management unit; collecting image data of a space where the experimental equipment is located; according to a parameter setting instruction and a start-stop instruction of the upper-layer online management unit, working parameters and start or stop operation of the experimental equipment are controlled; the upper-layer online management unit communicates with the middle-layer monitoring unit through a Modbus TCP / IP communication protocol, then collects state data, environment data and image data collected by the middle-layer monitoring unit, and sends set parameters and start-stop instructions to the middle-layer monitoring unit. The system can be compatible with communication and management of experimental equipment of different types and brands, and can also automatically collect and record state data of the experimental equipment.

The invention relates to the technical field of precision reducer testing, and discloses an angle measurement error suppression system and method in a precision reducer dynamic test, and the system comprises a servo motor closed-loop regulation and control module, a measurement shafting motion state monitoring module, a piezoelectric ceramic driver regulation and control module, and a combined control module. The method comprises the steps that first-step regulation and control are conducted through the servo motor closed-loop regulation and control module, second-step regulation and control are conducted through the piezoelectric ceramic driver regulation and control module, and according to the running states, monitored in real time, of the high-speed-end motor and the low-speed-end motor and the motion state, monitored in real time, of the measuring shaft system, and in combination with a preset standard, the high-speed-end motor and the low-speed- The control proportion of the closed-loop regulation and control module of the servo motor and the piezoelectric ceramic driver regulation and control module is dynamically adjusted, so that the dynamic angle measurement error is kept within the preset range, and the angle measurement error caused by the dynamic change of the system structure in the speed reducer testing process can be effectively reduced.

The invention relates to an electronic lock device and an encryption and authentication method thereof. The electronic lock device generates a random number as a first secret key when a user purchases a lock cylinder; the current time obtained by the atomic clock timing system is used as a dynamic parameter to generate a lock cylinder public and private key and a super manager public and private key, and the super manager authorizes to generate a public and private key of an authorized user; performing mathematical operation on the public key of any super administrator, the public key of the authorized user and the physical characteristic data of the corresponding authorized user to obtain password characteristic data and physical characteristic data, and calculating hash values respectively; and encrypting and storing the password feature data and the hash value thereof, and the physical feature data and the hash value thereof by using a first key, calculating the hash value of the encrypted array, encrypting the hash value by using the first key, and storing the encrypted hash value. According to all nodes of an application scene of the integrated electronic lock, the safety of each link controlled by the lock cylinder is ensured, and the application of electronic lock cylinder control and unlocking with a high safety level is realized.

The utility model belongs to the technical field of fluid control valves, and particularly relates to a hoop butterfly valve which comprises a valve body, the valve body comprises a hoop, an adjusting assembly and a sealing assembly, and the hoop is used for being connected with a pipeline; the adjusting assembly is used for adjusting the flow of a medium in the hoop; the sealing assembly is used for sealing safety when the flow of a medium in the hoop is adjusted, the sealing safety when the hoop turbine butterfly valve is closed is effectively guaranteed through the sealing assembly, and effective control over the flow of the medium in a pipeline and safe sealing are achieved. In the industrial fields of chemical engineering, petroleum, water treatment and the like, the valve is widely applied and has important significance for guaranteeing normal operation and safety of a pipeline system.

The utility model relates to the technical field of concrete mixing pots, and discloses a concrete mixing pot dustproof device which comprises a mixing pot and a funnel, an installation ring is arranged above the mixing pot, four supporting legs are fixedly installed at the bottom of the installation ring, supporting seats are fixedly installed at the bottoms of the four supporting legs, and a feeding pipe is arranged on one side wall of the mixing pot in a penetrating mode. A funnel is arranged at the other end of the feeding pipe, an L-shaped connecting rod is arranged on one side wall of the mounting ring, and a mounting plate is arranged at the other end of the L-shaped connecting rod. According to the feeding pipe sealing device, when the half gear and the driving gear are disengaged, the sealing plate is reset under the assistance of the second sliding mechanism and the reset spring at the moment, so that the feeding pipe can be sealed again, materials are stopped from descending at the moment, and when the half gear and the driving gear continue to be engaged, the sealing plate is reset. And at the moment, it can be guaranteed that the sealing plate leaves the end opening of the feeding pipe, so that it can be guaranteed that the materials can be controlled during descending to a certain extent, and the device is practical and suitable for wide application and popularization.

The invention discloses an automatic cleaning machine for cabin castings and provides the following scheme that the automatic cleaning machine comprises a placement frame, a conveying mechanism is arranged on the placement frame, a collecting box is installed on the conveying mechanism, a cleaning mechanism is arranged on the placement frame, and a feeding mechanism is arranged on the cleaning mechanism; according to the device, the feeding mechanism is arranged, a first motor drives a valve plate to rotate, when a through hole in the valve plate rotates to a through groove in a corresponding through block, two additives located in a storage box can enter the storage box through the corresponding through groove and enter a drainage pipe, and after the corresponding additives enter the storage box, the two additives in the storage box are fed into the drainage pipe; when one additive enters the valve plate, the gradual flushing fluid can be conveniently and continuously blended, and when the other additive enters the drainage pipe, the other additive enters the collecting box, so that the flushing fluid can be automatically blended along with rotation of the valve plate, repeated replacement is not needed, meanwhile, waste water generated after flushing is conveniently precipitated and purified, and the flushing efficiency is improved. The pollution to the external environment after the wastewater is discharged is reduced.

The utility model is suitable for the technical field of weighing equipment, and provides an automatic material metering scale, which comprises a main frame body, a weighing device, a weighing device and a weighing device, and is characterized in that the main frame body is internally provided with a supporting part; the storage bin is installed on the main frame body and installed on the supporting part, a weighing piece for integrally weighing the storage bin and materials in the storage bin is arranged between the storage bin and the supporting part, installation plates are symmetrically arranged on the side wall of the storage bin, the weighing piece is arranged between the installation plates and the supporting part, and the weighing piece is arranged on the supporting part. And the weighing piece is used for detecting the stress state between the mounting plate and the supporting part, so that the technical effect of more accurately controlling the blanking weight is achieved by arranging a structure for carrying out clearance type weighing on the blanking weight and controlling the blanking weight change and the blanking amount.

The utility model relates to the technical field of concrete pouring, in particular to a pouring mold for a track precast slab, which comprises a pouring cavity, a slurry outlet arranged below the pouring cavity, a conveying pipeline connected with the slurry outlet, and a first conveying pipe vertically arranged at the lower end of the slurry outlet and a second conveying pipe horizontally arranged. The first throttling part is connected with the first conveying pipe, is close to one side of the slurry outlet, and comprises a double-open butterfly valve arranged in the first conveying pipe; the slurry storage chamber is connected with the lower portion of the second conveying pipe, is close to the first conveying pipe and comprises a slurry storage cavity formed in the lower portion of the second conveying pipe and a slurry flowing opening communicated with the lower portion of the second conveying pipe. The second throttling part is connected with the second conveying pipe and located on the side close to the slurry output port. The second throttling part comprises a rotary throttling plate arranged in the second conveying pipe. According to the utility model, the two throttling parts and the slurry storage chamber are arranged to cut off slurry, so that the sealing performance is improved, and slurry leakage is avoided.

A plurality of spillway gates are provided with a plurality of pump stations, each pump station comprises a left oil cylinder, a right oil cylinder, a pump station series connection ball valve assembly, a hydraulic control loop and a power source assembly, and the power source assembly is connected with the hydraulic control loop through a pipeline to drive the left oil cylinder and the right oil cylinder to open and close the spillway gates. The pump stations are connected through a main pipeline, and a plurality of pump station series connection ball valve assemblies are further arranged between the main pipeline and the hydraulic control loops and used for controlling communication or independent work of the pump stations. Displacement sensors are further arranged on the left oil cylinder and the right oil cylinder and used for controlling mutual calling and bypass deviation correction between the pump stations through displacement signals. The problems that an emergency standby device of a hydraulic system is low in universality and low in system stability and reliability are solved.

The utility model discloses a kind of exhaust duct water vapor condensation collection devices, it is related to tobacco processing equipment technical field, exhaust duct inside close to the export of fan is parallel to the condensing plate of dense arrangement in flow direction, heat pipe is embedded into each condensing plate, with each condensing plate heat conduction connection fixed, and communicate to in circulating water cooling loop;The bottom of condensing plate is inclined plate structure by two sides respectively downward, and form the flow guide portion at the intersection of two side inclined plate structure, and the flow guide portion is directly below the liquid guide plate fixedly arranged with exhaust duct installation.The utility model condenses water vapor in high-humidity flue gas by condensing plate, and condensate is directly discharged exhaust duct by the flow of condensing plate and liquid guide plate in the position close to fan export;Circulating water cooling loop carries out circulating heat dissipation cooling to condensing plate, effectively solve the problem of exhaust duct inner wall scale caused by high-humidity flue gas, conducive to the control of equipment maintenance cost and the guarantee of production continuity.

The present invention discloses a pollution source tracing control system and method based on multi-source data fusion, which belongs to the field of data analysis technology. The present invention detects pollution of the regional atmospheric environment through the atmospheric monitoring stations in the monitoring area, and transmits the detection data in real time through the monitoring network; the monitoring center integrates the data of each detection station, marks the detected pollution abnormal area through the cloud point satellite map, and performs fusion processing on the marked area; combines the cloud point satellite map processing results with the actual space data detection results, performs small-scale pollution propagation analysis on the gaseous pollutants, analyzes the distribution of each pollutant and the degree of propagation evolution, and obtains the propagation path of the pollutants; locates the emission source by comparing and analyzing the real-time pollution proportion of the pollution source on the propagation path; dynamically demonstrates the real-time gaseous pollution emission path and real-time data changes through the visualization port, and outputs feedback to the located pollution emission source.

The present application relates to a kind of high-efficiency environmental protection machine-made fine sand production method and its application, the method includes the following steps: (1) feed screening;(2) one-stage screen washing;(3) coarse crushing, medium crushing and screening;(4) two-stage sand washing;(5) fine crushing closed-circuit screening;(6) wet rod grinding sand and dehydration;(7) crushing, shaping and classification;(8) slurry dewatering.The present application adopts dry-wet combined sand making process, and the sand making rate is higher, the quality indexes such as mud content, moisture content, grading, stone powder content of finished sand can be better controlled in sand making process, the quality of finished machine-made fine sand is guaranteed, has the advantages of small one-time investment, low operation and management cost, coarse aggregate surface is clean, fine aggregate stone powder loss is less, etc., while dust pollution caused by dry sand making can be effectively reduced, stone powder and waste water can be recycled, the whole machine-made fine sand production is efficient and clean, and has strong popularization and application value.

The utility model discloses a high-precision thermosensitive CTP developing solution drying oven, which relates to the technical field of drying and comprises a high-precision thermosensitive CTP developing solution drying oven body, a temperature sensor and the like. Due to the fact that the filter is installed, electromagnetic interference may cause the failure rate of equipment to be increased, and normal production and operation of the equipment are affected, and the failure rate of the equipment can be reduced and maintenance and downtime can be shortened by reducing the electromagnetic interference and the filter. The electronic liquid level sensor can realize high-precision detection of the developing liquid level, accurately monitor the liquid level change of the developing liquid and ensure that the liquid level is controlled within a set range, the wireless communication module is mounted, and real-time monitoring of the thermosensitive CTP developing liquid oven can be realized through the wireless communication module, so that the developing liquid level can be accurately monitored. And key parameters such as equipment operation state, temperature and humidity can be obtained in time, and remote management and control are facilitated.

This invention belongs to the field of pneumatic control valve technology, specifically providing a pneumatic shut-off valve. The invention aims to solve the problem of excessive noise during operation of existing pneumatic shut-off valves. To this end, the pneumatic shut-off valve of this invention includes a valve body assembly, a valve core assembly, and a sealing ring. This invention defines a distal variable volume cavity and a proximal variable volume cavity located on opposite sides of the axial direction of the movable yoke by having the valve core assembly and the valve body assembly jointly define such cavities. When the valve core assembly moves in one direction along its axial direction, the sealing ring first blocks the annular channel and then opens it. In this way, the initial movement of the valve core assembly is hindered by the air pressure difference, reducing its moment of inertia and speed, thereby weakening the impact force of the valve core assembly on the valve body assembly and reducing the noise during operation of the pneumatic shut-off valve.

The invention relates to the technical field of livestock breeding facilities, in particular to a livestock breeding feeding device. The livestock breeding feeding device comprises a feed trough and a spreading type feed carrying pad, the spreading type feed carrying pad is unfolded or contracted and stored in the length direction of the feed trough, and feed bearing or residual feed recycling is achieved; a movable baffle is arranged at the end, close to the retractable storage end of the feed carrying pad, of the feed trough, when the spreading type feed carrying pad is spread along the feed trough, the movable baffle is parallel to the spreading direction of the spreading type feed carrying pad, and when the spreading type feed carrying pad is retracted and stored along the feed trough, the movable baffle is parallel to the spreading direction of the spreading type feed carrying pad. An included angle is formed between the movable baffle and the contraction direction of the spreading type feed carrying pad, and residual feed is guided and discharged to the outer side of the feed trough; and a movable feeding stirrer is arranged outside the feed trough. The livestock breeding feeding device meets the requirement for respective feeding of dry and wet feeding materials and is suitable for large-scale breeding, the manual labor amount is reduced in the feeding process, the feeding efficiency is improved, and the health of bred livestock is guaranteed.

The invention provides a control circuit of energy storage equipment and the energy storage equipment. The control circuit of the energy storage equipment comprises a self-reset switch, wherein a first end of the self-reset switch is connected with a positive electrode of a battery pack; the first end of the voltage division circuit is connected with the second end of the self-reset switch, and the second end of the voltage division circuit is grounded; the first end of the switching circuit is connected with the positive electrode of the battery pack, the second end of the switching circuit is grounded, and the switching circuit is connected with the second end of the self-reset switch; the power supply end of the micro-control unit is connected with the third end of the switching circuit, and the switching control end of the micro-control unit is connected with the switching circuit; wherein under the condition that the self-reset switch is switched on, the first end of the self-reset switch is communicated with the second end of the self-reset switch, the switching circuit is switched on, and the micro-control unit is used for controlling the switching circuit to be switched on or switched off according to a level signal on the voltage division circuit. According to the technical scheme, the risk of failure of the self-reset switch is reduced.

The utility model discloses an adjustable aging board capacitor tray positioning tool belongs to aging board technical field. Including base, the top surface of base has the locating frame, and the both sides of locating frame have the sliding slot, and the inside of locating frame has the sliding of several connecting frames, and the both ends of connecting frame all are installed the slide, and the slide in sliding slot, and the outside of slide is occlusively connected with the pressure block, and the side of pressure block extrusion locating frame, and the inside wall of one side of connecting frame is equipped with the limit slot, and the inside wall of the other side of connecting frame is embedded with magnet, and the inside of connecting frame has the sliding of several locating blocks, and the one side of locating block is installed with the limit strip, and the limit strip is in the sliding of limit slot, and the other side of locating block is embedded with the iron sheet, and magnet adsorbs the iron sheet, and the top surface of locating block has the through -hole, and this technical scheme is through the sliding adjustment of connecting frame along locating frame sliding slot, and the sliding adjustment of locating block in connecting frame, and is equipped with the structure such as T type limit, magnet adsorption etc.

The invention relates to the technical field of biomedical engineering, in particular to a precise positioning injection device for an experimental animal tumor model, which comprises an injection platform, an amplification component slidably connected to the injection platform, a plurality of binding detection components fixedly connected to the injection platform, and a positioning table slidably connected to the injection platform. A positioning box body is arranged on the positioning table; the positioning box internally comprises a driving cavity and a transmission cavity, a driving wheel assembly is slidably connected into the driving cavity, a first worm gear is rotatably connected into the transmission cavity, a liquid pushing assembly is arranged above the first worm gear, the first worm gear can be meshed with the driving wheel assembly, and a first threaded rod is in threaded connection with the center of the first worm gear. A positioning hole corresponding to the first threaded rod is formed in the inner bottom wall of the transmission cavity, and a depth sensor is fixedly connected to the bottom of the first threaded rod. According to the invention, the injection depth is monitored and controlled in real time through mechanical transmission of the worm and the worm gear in combination with depth detection, so that the influence of injection depth errors on experimental results is reduced.

The invention relates to the technical field of multi-battery-pack outdoor charging cabinets, in particular to a multi-battery-pack outdoor charging cabinet based on multiple input and output, which comprises a multi-battery-pack outdoor charging cabinet shell, and one side of the multi-battery-pack outdoor charging cabinet body is fixedly connected with a regulation and control mechanism. Temperature control mechanisms are arranged on the top and the back face of the multi-battery-pack outdoor charging cabinet shell, two device bases are connected into the multi-battery-pack outdoor charging cabinet shell, a plurality of ventilation open grooves are formed in the surfaces of the device bases, a damping mechanism is arranged on the top of each multi-battery-pack outdoor charging cabinet, and an anti-vibration mechanism is arranged on one side of each damping mechanism. Through the arrangement of the small damping rods, the vibration conduction is reduced, and through the cooperation of the supporting frame and the indirect connection frame, the anti-vibration and shock-proof effects can be conveniently carried out on the batteries in the multi-input and multi-output multi-battery pack outdoor charging cabinet.

This application discloses a pre-start control circuit, method, device, and auxiliary lamp for a lamp module. The application relates to the field of auxiliary lamp control technology. The pre-start control circuit includes: a drive voltage supply circuit connected to the drive switch of the lamp module, used to provide drive voltage to the drive switch; a current sampling circuit connected to the drive switch, used to collect the operating current of the drive switch; and a main control module connected to both the drive voltage supply circuit and the current sampling circuit, used to gradually output control signals after receiving the lamp module's turn-on signal, so that the drive voltage supply circuit gradually increases the drive voltage according to the control signals until the operating current of the drive switch reaches a target current; the target current is less than or equal to the maximum current that the drive switch can withstand. This application can improve the reliability of lamp module control.

The utility model relates to the field of jet printing equipment, in particular to an integrated secondary ink box applied to ink supply of a jet printing machine nozzle, which comprises a box body and a cover plate, the box body is internally divided into a safety cavity and an ink jet cavity through a partition plate, an overflow port is arranged on the upper portion of the partition plate, the box body is provided with an ink outlet hole communicated with the ink jet cavity, and the cover plate is arranged on the box body. The ink outlet hole is matched with a valve, and an outlet of the valve is communicated with the ink pipe. The utility model aims to provide the integrated secondary ink box applied to ink supply of the spray head of the jet printing machine, the safety cavity is designed in the secondary ink box and communicated with the secondary ink box through the high-position overflow port, so that the safety cavity has the same effect as a safety bottle, and meanwhile, the situation that the sealing is influenced by the connection of pipelines is reduced; and a negative pressure system for controlling ink jet is better guaranteed.