193results about How to "Ease of subsequent maintenance" patented technology

The invention relates to the field of heat dissipation, in particular to a 5G base station heat dissipation system based on big data processing, which comprises an antenna shell, a fixing mechanism, an air inlet mechanism, a heat dissipation mechanism, a drainage mechanism, a placement mechanism, a locking mechanism and an observation structure, the antenna shell is beneficial to placement and protection of the transmitting equipment; under the action of the placing mechanism; the launching equipment can be conveniently fixed; under the action of the locking mechanism; the transmitting equipment can be conveniently put into and taken out of the antenna shell; under the action of the heat dissipation mechanism; absorption of a large amount of heat generated by the transmitting equipment isfacilitated; under the action of the air inlet mechanism; the air inlet structure is arranged in the antenna shell, so that cold air dissipates heat of the heat dissipation mechanism, heat is led out,heat dissipation or rainwater flowing into the antenna shell from the outside can be drained under the action of the drainage mechanism, the air inlet amount of the air inlet structure can be adjusted according to the temperature change through the temperature change of the antenna shell, timely heat dissipation of equipment can be guaranteed, and normal use of the equipment is guaranteed.

The invention provides a sharing bicycle security system based on the internet of things and a security method thereof. The sharing bicycle security system comprises a microcontroller, and a first reflector type photoelectric switch, a second reflector type photoelectric switch, a first open circuit sensor and a second open circuit sensor which are connected with the input end of the microcontroller through an A/D converter. A reflector of the first reflector type photoelectric switch is mounted in a bicycle head supporting pipe, and a light transmitter and a light receiver of the first reflector type photoelectric switch are mounted into a bicycle head mounting pipe. Two loop on-off detection ends of the first open circuit sensor are connected with a front wheel mounting axle. According to the sharing bicycle security system, a bicycle head, a bicycle seat, a front wheel and a rear wheel are subjected to positioning security monitoring by ingeniously using the reflector type photoelectric switches and the open circuit sensors, the situation that a bicycle is damaged and the geographic position where the bicycle is located when the bicycle is damaged can be discovered in time, and great convenience is provided for security and subsequent repair of the bicycle.

The invention relates to the technical field of the aviation product manufacturing process and aircraft daily maintenance and guarantees, and particularly discloses a mechanical balance weight type airplane service support lifting platform. The mechanical balance weight type airplane service support lifting platform comprises an outer well lid assembly, an inner well lid assembly, a hand-lifting lock assembly, a foot-stepping lock assembly and a sliding bearing assembly. The outer well lid assembly comprises an outer well lid, fixed guide rails and a pulley assembly. The pulley assembly is installed on the outer sides of the fixed guide rails. The inner well lid assembly comprises an inner well lid, movable guide rails and a connection beam. The connection beam is installed on the inner sides of the two movable guide rails. The hand-lifting lock assembly is installed on the inner well lid. The foot-stepping lock assembly is installed on the connection beam. The sliding bearing assembly is installed on the movable guide rails. The movable guide rails slide along the fixed guide rails through the sliding bearing assembly. The mechanical balance weight type airplane service support lifting platform has the beneficial effects that the inner well lid is controlled to move and stop through mechanical locks, and the safety reliability is high; the sliding bearing assembly ensures that the inner well lid part operates stably, and the cable abrasion is relieved; and the pulley assembly prevents a balance weight assembly from interfering with other parts, and noise is reduced.

The invention relates to an on-line monitoring system for noise and vibration of a transformer. The system comprises a transformer signal acquisition module, a data acquisition module, an industrial personal computer, a wireless communication module and a remote terminal, wherein the transformer signal acquisition module is integrated on a box body, the data acquisition module and the industrial personal computer are arranged in the box body, the transformer signal acquisition module is connected with the data acquisition module, the data acquisition module is connected with the industrial personal computer, the industrial personal computer is connected with the remote terminal through the wireless communication module, and the transformer signal acquisition module comprises a voltage/current sensor, a vibration acceleration sensor, a Hall sensor and an oil chromatography monitoring device. Compared with the prior art, the on-line monitoring system has the advantages of comprehensive and accurate monitoring, low cost and the like.

The invention discloses a part matching performance optimization method and system. The method comprises the steps of detection system testing, size information marking, part classification storage, grouping assembly and the like; and required devices include a measurement unit, a part marking unit, a size information processing unit, a scanning classification unit and an assembly unit. Size information of parts is obtained by measurement, and the size information is marked on parts; the size information processing unit processes part information of a batch measured by the measurement unit, and divides the parts into multiple groups; the scanning classification unit judges the number of part groups by scanning marks on the parts, and then classifies the parts through a classification mechanism; and the assembly unit assembles the parts of the corresponding groups. According to innovation points, on the premise of qualified random matching, the stability of batch part matching performance is improved through the method; and the method is a new method for improving batch performance of products.

The invention relates to the technical field of the control of a light-emitting diode (LED) lamp, and provides an LED constant current driving circuit, a driving chip and a control method of the driving chip. The control method of the driving chip comprises the following steps of: judging whether a data frame is received or not, if yes, executing a step of extracting corresponding display data of the level from the received data frame and controlling the LED lamp to display according to the acquired display data of the level; and if not, generating display data according to a built-in effect algorithm, acquiring the display data of the level from the generated display data, and controlling the LED lamp to display according to the acquired display data of the level; judging whether the driving chip works in an external controller control state or a built-in display effect control state or not according to the received data frame, subsequently and automatically switching the driving chip into the built-in display effect state when external data is not received. Therefore, most driving chips of the series display system are ensured to work at display states, and subsequent maintenance is facilitated or reduced.

The invention relates to a hot-extrusion die for molding a multi-core cavity aluminum alloy profile and a flow supply method. The die comprises an upper die and a lower die, wherein the upper die is formed by combining an upper-layer die and a lower-layer die; the upper-layer die is provided with an inner die core and a plurality of first diversion holes; the bottom end of the lower-layer die is provided with an outer die core with an inner die hole, while a top end is provided with a third diversion hole coaxial with the inner die hole and a plurality of second diversion holes running through the upper and lower end faces of the lower-layer die; and an outer die hole flow supply channel is reserved from the first diversion holes to the outer die hole on the lower die through the second diversion holes, while an inner die hole flow supply channel is reserved from the first diversion holes to the inner die hole through the third diversion hole. The die has the characteristics of long service life, easy machining and repair, and stable profile molding in production.

The invention discloses a dicing device. A storage plate movement guide through groove is formed in a dicing workbench, and an elastic reset device is assembled to enable a storage plate to be inclined or horizontal; the top of a connecting plate is connected with the bottom of the storage plate, the bottom of the connecting plate downwards extends out of the storage plate movement guide through groove, sliding blocks are in sliding fit with the dicing workbench, the storage plate is in rotating fit with the sliding blocks, and the connecting plate moves close to a vertical knife plate and canmake contact with a top plate to enable the storage plate to rotate to be vertical; and extending mechanisms extend out to drive reverse transmission mechanisms to be linked, so that the storage plate and the vertical knife plate move oppositely until materials in the vertical storage plate are cut into blocks by the vertical knife plate. The invention further discloses a dicing and auxiliary material adding device and method for meat paste processing. The dicing device and the dicing and auxiliary material adding device and method for minced meat processing have the advantages that meat withvarious hardness can be cut into blocks through one-time cutting, and the process streamline property is high.

The invention provides a vacuum cabin dynamic seal structure under high vibration frequency. The vacuum cabin dynamic seal structure comprises a connecting part, a vibration table transferring tool and sealing assemblies, wherein the connecting part is fixedly connected with the wall of a vacuum cabin and is provided with a central through hole and a plurality of through grooves, the through grooves are formed in the wall of the central through hole in the circumferential direction, the vibrating table transfer connecting tool penetrates through the central through hole of the connecting partand is connected with a vibration table outside the vacuum cabin, and openings are formed in the sides, adjacent to the vibration table transfer connecting tool, of the through grooves, the sealing assemblies are arranged in the through grooves and are used for realizing sealing between the vibration table transfer connecting tool before and after a thermal vibration test. The dynamic seal structure has the advantages that the service life is longer, the reliability is higher, energy consumption is lower, and the problem that the vacuum cabin seal structure under the high vibration frequency fails easily is solved.

The invention discloses novel traveling equipment. The traveling equipment comprises a box body, a transmission cavity is fixedly formed in the box body, a box body cavity which is located in the boxbody and has an upward opening is formed above the transmission cavity, a card placing cavity with an upward opening is communicated with the interior of the left end wall of the box body cavity, an extending cavity and a connecting cavity are communicated with the interiors of the left and right end walls of the box body cavity, the extending cavity is communicated with the external space, a power cavity located in the box body is communicated with the interior of the right end wall of the connecting cavity, the box cavity and the power cavity are communicated through a through cavity formedin the box body, a placement cavity with an upward opening is fixedly formed in the upper end face of the box body, and a power motor is fixedly arranged in the right end wall of the power cavity. Thetraveling equipment has the advantages of simple structure and convenient use, the equipment adopts an automatic manner to achieve the automation of barbecue cooking during the travel process, and the burden of travelers is effectively reduced.

The embodiment of the invention provides an assembly type track. The assembly type track comprises a base, a prefabricated track bed module and flexible pads; the flexible pads are arranged between the base and the prefabricated track bed module to buffer the force between the base and the prefabricated track bed module; the flexible pads comprise N kinds of flexible pads, wherein n is an integergreater than 1; N kinds of flexible pads thickness value are different, and the flexible pads are used for assembling or selecting elastic elements according to the vibration reduction level of the track. Compared with the prior art which adopts the technical scheme of pouring self-compacting concrete or CA mortar and other filling materials between a suspended track plate and the base to form theadjustment layer, the assembly type track provided by the embodiment of the invention, adopts the flexible pads as the buffer and vibration reduction structure between the base and the prefabricatedtrack bed module to compensate the unevenness error of the assembly contact surface and avoid the rigid contact between the concrete member so that the vibration reduction can be ensured and at the same time, the production and assembly of the assembly type track can be adapted, and the subsequent maintenance is easy.

The invention discloses a cotton web bundling mechanism of an intelligent comber. The cotton web bundling mechanism adopts the structure that a first press roller and a second press roller on a supporting seat of the intelligent comber are mutually meshed for transmission; a driving device drives the first pressure roller to rotate; the inlet of a gathering pipe is just positioned behind a drafting output roller; the inlet of a conveying pipe is fixedly communicated with the outlet of the gathering pipe; a bundling horn mouth is fixedly mounted on the supporting seat of the intelligent comber; the inlet of the bundling horn mouth can be communicated with the outlet of the conveying pipe; a horn hole of which the outlet diameter is smaller than the inlet diameter is formed in the inner side of the bundling horn mouth; the meshing point between the first and second press roller just faces the outlet of the bundling horn mouth; a flat groove is formed in the side wall positioned at the outlet end of the bundling horn mouth; the mutually meshed ends of the first and second press rollers are just inserted into the flat groove; the meshing point between the first and second press roller is just positioned in the flat groove. Through adoption of the cotton web bundling mechanism, the cohesive force of gathered cotton slivers is remarkably improved, so that the cotton slivers are not easy to loosen when being conveyed on a conveying belt and not easy to break at a turning point, and then high-speed conveying and convenient maintenance of the cotton silvers are facilitated.

The invention discloses an upper mounting type butterfly valve. The upper mounting type butterfly valve comprises a valve body, a valve cover arranged on the top of the valve body, a valve rod tightly inserted on the valve cover and with the bottom extending into a valve body mounting groove, a butterfly plate fixed on the bottom of the valve rod, a sealing valve base arranged on an inlet of the valve body, and a limiting component coating the valve rod and used for enabling the valve rod to only perform a rotating motion in the horizontal direction. When all parts of the butterfly valve are mounted, the valve rod and the component of the butterfly plate are only required to be inserted in a cavity of the valve body, the limiting component coats the valve rod, and the valve rod is fixed on the top of the valve body; when the butterfly valve is used and installed with other equipment, a reserved space has no need to be formed below the mounting position of the butterfly valve, and the installation is directly performed; and when the butterfly valve is required to be disassembled and maintained, the disassembly procedure and the installation procedure are opposite, so that the installation and maintenance procedures of the butterfly valve are simplified, and the working efficiency is improved. Meanwhile, the limiting component enables the sealing performance between the valve rod and the butterfly plate to become better; and the service life of the butterfly valve is prolonged.

The invention provides a protection method and a protection system for an air conditioner wire controller. The method comprises the following steps: 1, supplying power to the wire controller, and monitoring the return signal of the wire controller in a running state in real time; 2, when the returned signal is abnormal for 60 seconds, stopping supplying power to the wire controller, sending a fault to a user mobile phone, and ending the monitoring, and when the return signal is normal, continuing to monitor the voltage of the protection end; and 3, when the voltage of the protection end exceeds a critical value, stopping supplying power to the wire controller, recovering the power supply after 100ms, then returning to the step 1, and when the voltage of the protection end does not exceed the critical value, directly returning to the step 1. According to the protection method, power supply can be directly stopped when the wire controller is short-circuited, and a fault signal is sent, so that the damage of the short circuit of the wire controller to the main controller is completely avoided. In addition, the wire controller and the main control board can be effectively protected when the voltage of the power grid fluctuates, and the self-recovery function of the wire controller and the main control board greatly improves the convenience degree of using products by users.

The invention relates to an automatic fire extinguishing type transformer. The automatic fire extinguishing type transformer comprises a transformer shell, wherein a liquid storage box is arranged right above the transformer shell, insulating fire extinguishing liquid is stored in the liquid storage box, liquid discharge pipes are arranged at the bottom of the liquid storage tank, electromagneticvalves are arranged on the liquid discharge pipes, and spray heads are arranged at the lower ends of the liquid discharge pipes; a fire controller used for controlling the electromagnetic valves to beopened or closed is further arranged at the bottom of the liquid storage tank; and carbon dioxide is further stored in the inner cavity of the liquid storage tank, and the air pressure in the inner cavity of the liquid storage tank is 3-5 MPa. The automatic fire extinguishing type transformer is simple to install, maintain and operate, and can realize automatic fire extinguishing of the transformer; the transformer can immediately extinguish fire after ignition, so that the fire extinguishing efficiency is high; and the transformer does not generate a short circuit in the fire extinguishing process, so that further expansion of the fire can be avoided, the loss of the transformer is small, the subsequent maintenance or recovery of the transformer is facilitated, and the loss in the fire disaster is reduced.

The invention discloses a temperature transmitter housing capable of heat dissipating and sealing, and an U-shaped metal housing and a metal cover plate which are connected through a bolt. The external surfaces of the U-shaped metal housing and the metal cover plate are coated with insulating layers, and the internal surfaces of the same are coated with aluminum foil layers and modified nanometer diamond layers in sequence. The bottom of a control plate of a temperature transmitter is pasted with a heat dissipating fin, and the bottom of the heat dissipating fin contacts with the modified nanometer diamond layers; a groove is arranged on the top of an opening of the U-shaped metal housing, and a sealing ring is arranged in the groove. The sealing ring is prepared through a conventional method with the following raw materials by weight: 50-60 parts of Buna-N rubber, 40-50 parts of silicone rubber, 20-30 parts of polyether urethane rubber, 10-20 parts of aromatic poly-parabens heat-resistant resin, 5-15 parts of carbon fluoride, 2-5 parts of active magnesium oxide, 1-3 parts of antioxidant and 1.2-2.5 parts of self-lubricating agent unsaturated fatty acid. By adopting the above structure and constituents, the sealing ring has good sealed waterproof performance and high self-heat dissipating efficiency, and can prevent signal interference.

The invention relates to the technical field of outdoor power distribution boxes, and discloses an energy-saving outdoor power distribution box body based on electrical equipment. Arrangement assemblies are arranged at the positions, close to the upper portions of heat dissipation windows, of the two sides of the power distribution box body, an adjusting assembly is arranged at the bottom of the power distribution box body, and a heat dissipation assembly is connected to the rear surface of the power distribution box body. According to the invention, wiring harnesses extending out of the distribution box body can be subjected to standardized arrangement through the arrangement assembly. The problem of messy wire harnesses is avoided. Maintenance personnel can easily and timely search and carry out subsequent maintenance. Meanwhile, the distance between the adjacent wire harnesses is adjustable. Actual layout requirements can be met. Rapid heat dissipation of the box body of the power distribution box can be facilitated through the heat dissipation assembly. Meanwhile, the heat dissipation assembly conducts heat dissipation in a multi-stage heat dissipation mode, and the heat dissipation effect is greatly improved. Meanwhile, the heat dissipation assembly replaces a traditional mode that heat dissipation is conducted through power equipment, electricity is not needed, and the purpose of saving electric energy is achieved.

The invention relates to a battery support of a motorcycle, and the battery support is provided with an electric appliance strutting piece and a toolbox rack. The electric appliance strutting piece comprises a starting relay strutting piece, an igniter strutting piece and a protective tube cassette. The battery support mainly consists of two separated body parts including a support body and a support pressure plate which are fixed. The starting relay strutting piece is arranged on the support body; the igniter strutting piece, the protective tube cassette and the toolbox rack are arranged on the support pressure plate. Electric appliances can be arranged on the battery support through the electric appliance strutting piece, thus looking normalized and compact, using space reasonably, being beneficial for workers to fix apparatus correctly and for follow-up maintenance; and the separated structure leads the whole support to be installed more easily and can ensure batteries to be arranged reliably and tightly without shaking simultaneously.

The invention relates to an emergency cooling system for a supercritical circulating fluidized bedboiler and a control method thereof. The emergency cooling system comprises a heat exchanger, a furnace water circulation cooling device and an external circulation cooling device, wherein the furnace water circulation cooling device and the external circulation cooling device are connected with the heat exchanger correspondingly; when a boiler water supply is interrupted, the heat storage capacity of a hearth and castable in the hearth are continuously transferred into an external circulation cooling device through water from a coal economizer collection box or a water storage tank and a cooling medium in a storage container which are fully exchanged in the heat exchanger, so that the purposeof the emergency cooling of the bedboiler is achieved. The emergency cooling system for the supercritical circulating fluidized bedboiler and the control method thereof are provided, wherein the liftof a furnace water circulation pump and the lift of an external circulation pump only overcome the resistance of the heat exchanger and the resistance of a pipeline, power is not high and a diesel engine driven is not needed, so that the initial investment of a system is low, the operation and maintenance workload of a later-stage equipment is low.

The invention discloses a mounting method and system of a wood-plastic hidden type sliding door. The mounting system comprises a hidden type door pocket, hidden type hanging slide rails, a door hoisting device and a hidden baffle, a sliding door storage structure is arranged on the side edge in a door opening, the sliding door storage structure is composed of a cabinet body or a false wall body, and a gap is reserved in the inner side of the sliding door storage structure for hiding the sliding door; the hidden hanging slide rails are fixedly connected with the top end of the gap between the cabinet body and the false wall body and are distributed in the push-pull direction of the sliding door; the door hoisting device is arranged at the top end of the sliding door, square battens capable of being vertically fixed are arranged at the two ends of the door hoisting device, and the door hoisting device is connected into internal through holes in the two ends of the sliding door through the square battens and fixed; and the sliding door storage structure is arranged in the door opening, the gap allowing the sliding door to move to the interior to be hidden is formed in the inner side of the sliding door storage structure, and the door hoisting device used for guiding movement is mounted in the gap in the sliding direction of the sliding door to fix the sliding door, so that the sliding door can be pushed and pulled in a hidden mode in a hoisting mode.

The invention discloses an ionitriding equipment fault diagnosis system, and belongs to the field of ionitriding. The system comprises an onsite detection device connected with ionitriding equipment and a diagnosis device connected with the onsite detection device. The onsite detection device is used for obtaining the parameter of each node of the ionitriding equipment. The nodes comprise a power system of the ionitriding equipment, a circuit in a motion control panel and vacuum system, and a furnace body, an anode and a cathode of the ionitriding equipment. The parameters of the nodes comprise node current values, node voltage values, node switching quantity data, node temperatures and node vacuum degrees. The switching quantity data comprise connection and disconnection. The diagnosis device is used for determining whether the ionitriding equipment fails according to the parameters of the nodes and outputting a diagnosis result. The fault diagnosis accuracy is high, and subsequent maintenance is facilitated.

The invention discloses an integrated water heating floor block. The periphery of the floor block is provided with inserting portions. The integrated water heating floor block is characterized in that the whole floor block is of a flat rectangular shape and comprises a decoration surface, a lower portion body and a heat conducting component. The inserting portion of each side of the floor block is arranged on the lower portion body. The heat conducting component comprises a pipeline portion and a heat dissipating portion. The pipeline portion is a linear pipeline arranged in the forward and backward direction. The heat dissipating portion is connected with the pipeline portion. The length of the heat conducting component in the forward and backward direction is slightly smaller than the length of the floor block with the inserting portions at the front side and the rear side removed in the forward and backward direction. The lower portion body is further provided with an installation groove enabling the front portion and the rear portion of the lower portion body to be communicated. The installation portion comprises a pipe groove portion. The pipeline portion of the heat conducting component is located in the pipe groove portion of the lower portion body. The heat conducting component adheres to and is fixed to the corresponding portion of the upper side face of the lower portion body through the lower side face of the heat dissipating portion of the heat conducting component and the decoration surface adheres to and is fixed to the corresponding portion of the upper side face of the lower portion body and the upper side face of the head dissipating portion of the heat conducting component through the corresponding portion of the lower side face of the decoration surface.