36results about How to "Reduce maintenance difficulties" patented technology

The invention relates to an automatic license plate identification system at an urban checkpoint, which belongs to the field of monitoring and comprises a coil assembly, a vehicle detection module, a license plate identification module, a front-end module and a network transmission module, wherein the coil assembly is connected to the vehicle detection module, and coils generate a pulse signal when a vehicle passes through the urban checkpoint; the vehicle detection module detects the coils and transmits the received pulse signal to the license plate identification module; the license plate identification module captures a video image transmitted by the front-end module when the license plate identification module receives the pulse signal, finishes the entire video image processing process of the identification of a license plate, and uploads a processing result by a network; the front-end module carries out synchronous exposure, synchronous supplemental lighting and shooting on a camera under the control of a vehicle identification module and transmits the video image to the license plate identification module; and the network transmission module uploads the data of the license plate and the vehicle to a data centre. The system integrates most of the functions in the candid identification of the license plate at the checkpoint by adopting integrated design, reduces the system maintenance difficulty caused by the complexity of the system greatly, enhances the entire stability and reliability of the system, and lowers the maintenance cost of the system.

The invention provides a motor head gear train belt tightener which consists of a mandrel, a belt pulley and a bearing. The mandrel 1 is mounted inside the bearing 2 and in interference fit with an inner ring of the bearing, and the belt pulley 3 is mounted outside of the bearing 2 and in interference fit with an outer ring of the bearing 2. A bolt connecting hole and a regulating hole are arranged on the mandrel 1, and the bolt connecting hole 12 is eccentrically arranged. The motor head gear train belt tightener is low in cost, simple and compact in structure, convenient to mount and adjust belt, small in size and capable of enlarging wrap angle of the belt pulley. Purposes for reducing high cost and solving difficulties in adjustment and maintenance are realized, and the wrap angle of the motor head gear train belt pulley can be enlarged.

The invention discloses a hanging-type ultrasonic cleaning device for a ceramic filter. The hanging-type ultrasonic cleaning device for the ceramic filter comprises a synchronous lifting mechanism arranged outside a filter groove and a plurality of ultrasonic boxes, wherein the synchronous lifting mechanism comprises a horizontal main girder and two vertical supports, the top ends of the two vertical supports are respectively connected with the two ends of the horizontal main girder, the lower ends of the two vertical supports support on the ground, lifting guide rails are respectively arranged on the inner sides of the two vertical supports, a lifting hanging arm is installed between the lifting guide rails and moves up and down along the lifting guide rails, and the ultrasonic boxes are connected with the lifting hanging arm through a vertical connecting rod. The hanging-type ultrasonic cleaning device for the ceramic filter can detect the loss degree of the ultrasonic boxes at the earliest time and reduce the maintenance difficulties and the safety risks. Moreover, the cleaning cycle of the filter is prolonged, the production per hour and per filter is improved, the service life of the ultrasonic boxes is prolonged, the acid cleaning cycle of equipment maintenance is prolonged, a great amount of spare material loss is reduced, the labor intensity of workers is greatly lowered, and the hanging-type ultrasonic cleaning device for the ceramic filter has great economic and social benefits.

The invention relates to a closed-circuit crushing mill (1) for comminuting milling material, having at least one high-pressure roller press (2), at least one device for sorting fine milling material (3, 3.1) from the milling material (4) which can be found in the circuit, and at least two devices for conveying (5.1, 5.2) the milling material (4) which can be found in the circuit. According to the invention, the at least one high-pressure roller press (2) is spatially separated from and approximately at the same height as at least one device for sorting fine milling material (3) from the milling material (4) which can be found in the circuit, and the at least two devices for conveying (5.1, 5.2) the milling material (4) which can be found in the circuit cross each other approximately in the center when viewed from the side, wherein the spatial separation preferably equals at least five to twenty times the width or length of the high-pressure rolling press (2). It is thus possible to construct the mill on few solid foundations or on a ship in an advantageous manner.

The invention discloses an LED panel and a display device, which are used for solving the problem that in the prior art, the production efficiency is low in the production process of MiniLED panels. The LED panel comprises a substrate and an LED chip formed on the substrate; a bonding pad assembly corresponding to the LED chip is arranged on the substrate; and in a pair of the LED chip and the bonding pad assembly which correspond to each other, bonding pad gaps with at least two sizes are formed between a positive electrode bonding pad set and a negative electrode bonding pad set of the bonding pad assembly, and the LED chip is welded on the bonding pad assembly through the bonding pad gap with one size. Due to the fact that the bonding pad gaps with the at least two sizes exist, the bonding pad gap of one size can be selected from the bonding pad gaps with the at least two sizes, and the LED chip is welded on the bonding pad assembly through the selected bonding pad gap with one size, so that poor welding is reduced and the production efficiency is improved; and the maintenance is carried out directly through other bonding pad gaps during maintenance, so that the maintenance difficulty is reduced.

The invention discloses a head lamp for heavy automobile installed on the bumper of the heavy automobile. The head lamp comprises a head lamp main body, which is attached to the bumper through a rotation shaft on one end. Adopting the technical scheme, maintenance step for maintaining head lamp of automobile can be simplified, and maintenance difficulty can be lessened. During assembling, the support seat is firstly fixed onto the automobile bumper, the head lamp main body is then fixed onto the bumper. During maintenance, only installation bolts for directly connecting the head lamp with thebumper need to be disassembled without disassembling the whole head lamp, the head lamp can be rotated by a certain angle outwards with respect to the rotation shaft, or the head lamp can be disassembled. The job can be completed by only disassembling several bolts, maintenance of head lamp can be conveniently carried out.

The invention discloses inquiry system and method of a customized database. The system comprises a WEB layer module, a service layer module, a DAO layer module and a physical layer module, wherein the WEB layer module calls the corresponding operational project function in the service layer module according to an operational project request of a user; the service layer module breaks up the corresponding operational project function into a plurality of business operations according to a calling indication of the WEB layer module and respectively calls a DAO operation method corresponding to the business operations in the DAO layer module; the physical layer module preliminarily creates an inquiry intermediate table and a public Bean class, i.e. a public affair object class, and inquires in the database according to the operational project request of the user and the preliminarily created inquiry intermediate table, and the inquired operational project result is put into the preliminarily created public Bean class. The invention realizes the real stripping of a framework layer and a data business layer in the inquiry developing process of the database and reduces the problem of difficult resource development and program maintenance.

The invention discloses a novel analysis platform and design method for dynamically generating data operation commands. The platform includes a data model parsing module, a data model member data specification checking module, a Sql command generating module and a service invoking module, and is characterized in that an output end of the service invoking module is connected with an input end of the data model parsing module, and an output end of the Sql command generating module is connected with an input end of the service invoking module. The method comprises the following steps: marking attribute identifiers based on the reflection technology in the data model and the member attributes contained in the data model, analyzing a data model instance through s parsing program, and generatingSQL language codes required for the corresponding added, modified, and deleted the data according to the identification rules and handing them over to the calling program for execution. The inventionhas the advantages of high compatibility and stability, can greatly shorten the development cycle of the data layer about the database operation in the development process of the informationization software project, and remarkably improves the beneficial effect of the code specification.

The invention discloses a k8s cluster creation method, device and computer-readable storage medium. The method includes: creating a virtual cluster based on a virtual machine; and mapping low-level resources in a first data storage library of the virtual cluster to a host through a synchronizer In the second data storage library of the cluster; the scheduler based on the host cluster monitors the low-level resources to complete the creation of the k8s cluster. Realize the effect of reducing the creation cost of k8s cluster without loss of computing power, network performance and storage performance of k8s cluster, and at the same time reduce the difficulty of maintenance and management of k8s cluster for later maintenance personnel, so that users can use a The terminal device can realize the creation of multiple k8s clusters, and later maintenance personnel can also maintain and manage multiple k8s clusters based on one terminal device.

The invention discloses a waterproof and radiating light-emitting diode (LED) drive power, relating to the field of lighting. The structural device comprises a power shell, a silicon seal, a sealing oil diaphragm, insulation heat conducting impregnation liquor, an oil diaphragm breathing hole and the like. By using the device, the sealing performance and radiating efficiency of the power are improved, thereby avoiding the damage on the circuit components of the power due to the expansion and extraction of the filling liquor, improving the reliability of the drive power, reducing the weight ofthe power itself, lowering the cost and facilitating production and maintenance, and the filling liquor can be recycled during maintenance. The device of the invention is mainly applied to LED powersand some indoor and outdoor electrical installations requiring water resistance and dust resistance.

The invention relates to a solar power generation protection device which specifically comprises a base, a motor, a solar installation frame, a solar cell panel and a lifting assembly, the motor is arranged on the base, the solar cell panel is laid in the solar installation frame, and the side edges of the solar installation frame are connected through the lifting assembly. The lifting assembly comprises a protection plate, a lifting sleeve leg, a lifting screw rod and a guide supporting rod, the protection plate is arranged in a hollow cavity with one end open, the solar cell panel is arranged in the protection plate and above the lifting sleeve leg, one end of the solar cell panel is hinged to the upper end of the lifting sleeve leg, and the other end of the solar cell panel is hinged to the lifting screw rod. And the lifting screw rod is arranged in the lifting sleeve leg and is arranged below one end of the solar cell panel. The device is stable in structure, simple to operate, safe and reliable.

The invention discloses a method and a device for managing and maintaining a software program. The method comprises the following steps: setting a management interface frame structure in advance, wherein the management interface is used for managing and maintaining an application program function module and comprises a structural relationship and a parameter transferring method; utilizing a data source and an organization structure in the management interface frame structure to compile a user interface, wherein the user interface is used for displaying a software program structure and operation information; and when the software program is complied, realizing all interfaces in the management interface frame. When the method and the device are used, errors in software operation can be flexibly, conveniently and quickly positioned, the management and maintenance efficiency of a software product can be improved, and a maintenance workload can be lowered.

The invention relates to a nuclear power station double digital quantity output card configuration system and method, wherein the system comprises a first DO card butted with a first CPU (central processing unit), and a second card butted with a second CPU, the first DO card and the second DO card both include relay coils and touch spots, the relay coils are connected with corresponding CPU output ports to form a relay control loop, the touch spots of the first DO card and the second DO card are connected into a system output loop for on-off control, the touch spots of the first DO card and the second DO card are same, and corresponding to fail safe conditions of the system output loop. The invention also provides a nuclear power station digital reactor protection system. According to requirements of the fail safe conditions of the nuclear power station double digital quantity output card configuration system, DO cards with the corresponding type contact spot can be selected, double CPU completely parallel redundancy can be achieved; even if the two CPUs are both in fault, uncontrolled movements affecting equipment and unit safety may appear, and only a failure mode may be produced.

The invention discloses an LED board and a display device, which are used to solve the problem of low production efficiency in the production process of the Mini LED board existing in the prior art. The LED board of the present invention includes a substrate and an LED chip formed on the substrate. The substrate is provided with a pad assembly corresponding to the LED chip. In a pair of LED chips and pad assemblies corresponding to each other, the positive electrode contained in the pad assembly is Pad gaps of at least two sizes are formed between the pad group and the cathode pad group, and the LED chip is welded on the pad assembly through one of the pad gaps of one size. Since there are at least two sizes of pad gaps, one size of pad gaps can be selected from at least two sizes of pad gaps, and the LED chip is soldered to the pads through the selected size of pad gaps On components, poor welding is reduced and production efficiency is improved; when repairing, it is directly repaired through the gaps of other pads, reducing the difficulty of repairing.