84results about How to "Easy and efficient maintenance" patented technology

A display device comprises a display panel, a back plate, a fixing plate, a flexible printed circuit board and a driving chip. The display panel has a peripheral circuit area. The back plate is fixed on the display panel such that the peripheral circuit area remains exposed. The fixing plate is detachably installed on the back plate, and the flexible printed circuit board is disposed on the fixing plate, wherein the flexible printed circuit board is electrically connected with the peripheral circuit area. The driving chip is electrically connected with the flexible printed circuit board. Compared with the back plate, the driving chip is disposed adjacent to the peripheral circuit area. Because the peripheral circuit area of the display panel is exposed, the flexible printed circuit board can be directly reworked to shorten its rework time on the premise of no separation between the display panel and the back plate.

Aspects of the disclosed technology enable a knowledge worker to easily and efficiently develop and maintain a comprehension state of a document collection. One aspect of the technology includes a methods, apparatus, and program products that alter a relationship data structure representing a comprehension state responsive to manipulation, in a workspace window, of a first instance-representation of a first separately-movable instance object representing a first entity / relationship object in the relationship data structure.

The present invention provides an AC charging post calibration device. The device comprises a charging post interface, an electrical parameter acquisition module, a control and guide module and a load interface. The electrical parameter acquisition module is respectively connected with the charging post interface and the load interface via live lines L1, L2 and L3, and a zero line N. The control and guide module is respectively connected with the charging post interface and the load interface via a ground line PE, a charging connection confirming line CC and a control confirming line CP. According to the technical scheme of the invention, during the charging process of an AC charging post, the current value and the voltage value of the AC charging post in the normal charging state can be measured in real time. Meanwhile, the statistics on the electric energy is conducted in real time. Therefore, the device provides detection data for the field verification, the testing, the sampling and the annual inspection of AC charging posts.

A utility vehicle comprises a vehicle body frame including a main frame including a floor member and a pair of right and left side members and a sub-frame for reinforcing the main frame, each of the side members includes a side pipe element, a first pillar pipe element, a second pillar pipe element and a third pillar pipe element, the sub-frame includes a first cross member provided between and coupled to second pillar pipe elements, one end portion of the first cross member is detachably coupled to one of the second pillar pipe elements and an opposite end portion of the first cross member is detachably attached to the other second pillar pipe element.

An electronic throttle control device in a internal combustion engine for a vehicle can be improved in maintainability and can be reduced in size. An electronic throttle control device in a V-type internal combustion engine for a vehicle has a fuel injection valve and throttle valves in an intake passage. A throttle driving motor controls the opening angle of each throttle valve according to the amount of operation of a throttle grip performed by an operator of the vehicle. The throttle driving motor is located outside a region surrounded by the throttle bodies that are respectively connected to all of intake ports as viewed in plan.

An information processing apparatus that includes an information processing unit; an information acquisition unit that acquires a set of operational information which varies along with operation of the information processing unit; a reception unit that receives an input operation for requesting an external service providing entity to provide a maintenance service for the information processing apparatus; a communication unit that includes a function of communicating with the service providing entity via a communication line, and that, in response to the input operation, transmits a signal for requesting the provision of the maintenance service, as well as the set of operational information, to the service providing entity.

Described is a riser assembly for use with a fluid dispenser, such as a sprinkler. The assembly includes a container partially circumscribing a reservoir configured to contain a pressurized fluid, the container having a fluid inlet and a fluid outlet disposed therethrough. The assembly further includes a signal processor situatable outside the container that is configured to receive a signal. The signal processor is operatively connectable to a control valve that is operatively connectable to the fluid dispenser. The control valve is configured to selectively control expulsion of the fluid through the fluid dispenser in response to the signal received by the signal processor.

The invention discloses an accumulator frame used for an electric automobile. The accumulator frame comprises a chassis and a bracket, wherein the chassis comprises two bottom plates, a connection plate, U-shaped plates, idler wheels and a baffle; two side plates of each U-shaped plate comprise a low plate and a high plate; the U-shaped plates are arranged on the bottom plates; the idler wheels are arranged in the U-shaped plates; the connection plate is arranged on the same end of the two bottom plates; the connection plate is provided with connection holes; the connection plate and the baffle are connected through a connecting piece; the bracket comprises a tray, pull rods and a top spacing device; the pull rods are fixed on the side panel of the tray; the upper part of each pull rod is provided with an external thread; the upper part of each pull rod is provided with a nut; the upper part of each pull rod penetrates through the top spacing device and is cooperated with the nut; the bottom plate of the tray is provided with a wear-proof rubber pad; after a storage battery is arranged on the tray, a filling layer is arranged between the storage battery and the side panel of the tray. The accumulator frame is convenient in assembling and can be operated by single person, manpower and disassembling time can be saved, and the maintenance and the replacement of the storage battery are convenient and efficient.

A small-sized tiller includes a stand unit configured to solely support the tiller in a self-standing state. The stand unit has a pole portion removably mountable to a resistance-bar attachment portion of the body frame when a resistance bar has been removed from the resistance-bar attachment portion.

A bicycle hub assembly includes a hub having a driving tube connected one end thereof and the driving tube includes a ratchet portion and a sprocket portion respectively defined in an outer periphery thereof. A first recess and a second recess are defined in an inner periphery of the driving tube, wherein the first recess is located corresponding to the ratchet portion and the second recess is located corresponding to the sprocket portion. A ratchet unit is mounted to the ratchet portion and a sprocket unit is mounted to the sprocket portion. A first rotary member and a second rotary member are engaged with the first recess and the second recess respectively.

A tool includes a wooden handle that has a curvilinear outer surface extending along an entire length thereof. The handle has a centrally registered axial bore formed therein that travels between distal and proximal ends of the handle such that the bore passes through the entire length thereof. An elongated swivel arm has an overall length greater than the handle length and is rotatably coupled to the handle such that same freely rotates along clockwise and counter clockwise directions. A cutting blade is monolithically formed with the swivel arm, is distally spaced from the handle, and is axially offset from a centrally registered longitudinal axis of the handle. The cutting blade rotates in sync with the swivel arm and has a concave face. The cutting blade is proximally spaced from a distal end of the swivel arm.

The invention discloses a nano TiO2 powder super-hydrophobic coating material as well as a preparation method and application thereof. The super-hydrophobic coating material is prepared from the following components in parts by mass: 120 parts of ethanol, 80 to 100 parts of polyurethane, 10 to 16 parts of terpene resin, 8 to 20 parts of nano TiO2 powder, 1 to 3 parts of a silane coupling agent ethanol solution, 0.6 to 1.6 parts of stearic acid, 1 to 2 parts of zinc stearate, 0.3 to 0.8 part of an antioxidant and 0.5 to 1.5 parts of polyvinylpyrrolidone.

A small-sized tiller includes a stand unit configured to solely support the tiller in a self-standing state. The stand unit has a pole portion removably mountable to a resistance-bar attachment portion of the body frame when a resistance bar has been removed from the resistance-bar attachment portion.

The invention relates to a large-caliber ultrahigh-pressure differential steam emptying valve. The large-caliber ultrahigh-pressure differential steam emptying valve comprises a valve body, wherein aself-sealing valve seat is arranged in the valve body, a maze sleeve and a pressing ring are sequentially connected to the self-sealing valve seat, and the pressing ring, the maze sleeve and the self-sealing valve seat are pressed in the valve body through a pressing four-split ring; the upper end of the valve body is connected to a valve cover pressing plate, a self-sealing valve cover is arranged in the valve cover pressing plate in a penetrating mode, the sealing end of the self-sealing valve cover is connected to the valve cover pressing plate through a valve cover adjusting bolt and a valve cover nut, and a valve cover self-sealing ring is arranged between the sealing end and the valve body; and a valve cover four-split ring which is located on the upper side of the sealing end of theself-sealing valve cover is arranged in the valve body, a stepped valve element is arranged in the pressing ring, the maze sleeve and the self-sealing valve seat, a valve element sealing mechanism isarranged on the outer side of the stepped valve element, the upper end of the stepped valve element is connected to a valve rod, the valve rod penetrates through the self-sealing valve cover to extend to the outside, and the valve rod and the self-sealing valve cover are sealed through a valve rod sealing mechanism. According to the large-caliber ultrahigh-pressure differential steam emptying valve, the valve seat is detachable, mounting and maintaining are convenient, operation is stable, and sealing is firm.

An image forming apparatus of the present invention includes a pair of support plates supporting the rotary shaft of a photoconductive drum at axially opposite ends of the drum. One of the support plates is openable away from the body of the apparatus and loaded with a contact forming member including a current feed path for feeding a current from a high-tension power supply for charging to a charge roller, a wiring forming a current return path that allows a current to flow from the photoconductive drum to the ground of the power supply, and a plurality of contacts where the wiring and drum contact each other. A current flowing through the current return path is sensed to execute feedback control to the output of the high-tension power supply.

System and method of automatically generating a user-editable document to save search results for efficient management and utilization by users. A book reading program according to the present disclosure can receive a user search request and automatically save the search results to a designated annotation document according to a predetermined layout. Through various editing functions provided by the book reading GUI, a user can advantageously edit the annotation document. The results may be book or other passages that contain a query term. In the document, the passage themselves can be edited and the user can add additional content by using text editing features.

The invention provides a method for realizing a pop-up menu. The method comprises the following steps: a menu resource array is defined according to a menu resource definition mode in advance; only one menu window layer is displayed on the user interface all the time; display content of each menu layer is updated and pops up along with the selection of the user continuously, a round of work is completed until the user selects a menu item without an under layer menu. The method for realizing the pop-up menu can lead only one menu window layer to be displayed when in use by setting the menu resource array in advance, and the display content of each menu layer is updated and pop-up along with the selection of the user, thus the maintenance and development of the design is simpler and more efficient and the use flexibility for the user is greatly improved.

The invention relates to a high-temperature shielded molten salt pump supported by magnetic levitation bearings. The high-temperature shielded molten salt pump comprises a rotating assembly with a main shaft, a bearing cylinder, a connecting cylinder, an annular pump body, a first cover plate, a magnetic levitation bearing set, a shielding motor and a shielding plug, wherein the bearing cylinder, the connecting cylinder and the annular pump body are sequentially arranged from top to bottom; the main shaft penetrates through the connecting cylinder and extends into the bearing cylinder and the annular pump body; the first cover plate is hermetically connected to the top of the bearing cylinder; the magnetic levitation bearing set is arranged in the bearing cylinder and comprises an upper radial magnetic levitation bearing, an axial thrust magnetic levitation bearing and a lower radial magnetic levitation bearing; the shielding motor is arranged between the axial thrust magnetic levitation bearing and the lower radial magnetic levitation bearing; and the shielding plug is arranged in the connecting cylinder. The molten salt pump is compact in overall structure and stable in operation, meanwhile, the effect of complete isolation of internal and external atmosphere environments can be achieved, and the molten salt pump is convenient and efficient to maintain.

The invention discloses an active equalization maintenance device. The device is used for maintaining a battery pack of an electric automobile. The battery pack comprises a plurality of single batteries. The active equalization maintenance device comprises a control module, an equalization module and a conversion module. The control module is connected with the equalization module. The conversionmodule is respectively connected with the equalization module and the battery pack. The control module is used for acquiring voltage values or battery capacity values of all the single batteries and judging whether the voltage values or the battery capacity values of the single batteries fall into a preset interval or not. The control module sends an equalization signal to the equalization moduleaccording to a judgment result. The equalization module controls the conversion module to charge / discharge the single batteries according to the equalization signal. The active equalization maintenance device disclosed by the invention is low in cost, small in size, easy to carry and capable of effectively carrying out equalization maintenance on single batteries. The invention also discloses an active equalization maintenance method of the battery pack.

The invention discloses a radioactive source safety monitoring system comprising a radioactive source pot, a positioning sensor, an inspection tour device, and a central processor. The positioning sensor is fixed to the radioactive source pot. A radiation dosage detecting element is fixedly arranged on the inspection tour device. The positioning sensor and the inspection tour device are in wireless communication connection with the central processor. The positioning sensor is fixed to the radioactive source pot and may transfer the positional information of the radioactive source pot any time in order to facilitate positioning and tracking. The radiation dosage detecting element on the inspection tour device may detect the radioactive source pot in order to transmit a detection result to the central processor to be analyzed and processed. The inspection tour device can be placed beside the radioactive source pot to perform detection or can be held by a worker regularly to perform detection, and is not required to be fixed to the radioactive source pot. Thus, the inspection tour device and the radioactive source pot are separated and are prevented from contacting such that the radioactive source safety monitoring system is not liable to damage and is easy to maintain.

The invention discloses a pressurizing and inter-cooling integration device used for a V type engine. The device comprises a pressurizing device and an intercooler, and further comprises a bottom support, a cooling piping waterway is mounted in the pressurizing device and the intercooler, the bottom of the pressurizing device fixedly communicates with an air inlet cavity and an air outlet cavity,the intercooler is mounted between the air inlet cavity and the air outlet cavity, a compression air outlet of the pressurizing device is connected with the air inlet cavity, the air inlet cavity is connected with the inner side of the intercooler, the outer side of the intercooler is connected with the air outlet cavity, the air outlet cavity communicates with an air inlet pipe of the engine, thepressurizing device, the intercooler, a lubricating module of the intercooler and the cooling piping waterway form an independent whole module, parts of an engine body are reduced, the structure is compact, supporting is reliable, whole dismounting and mounting are achieved, and a generator set is efficient and convenient to maintain and repair.

The invention belongs to the technical field of electric power engineering, and particularly relates to a power distribution cabinet. In order to increase the heat dissipation function of an existingpower distribution cabinet, heat dissipation equipment is often installed on the cabinet body. Heat dissipation equipment is generally a heat dissipation fan. When the heat dissipation fan works, external air needs to be guided into the cabinet body, so that the heat dissipation fan and the cabinet body are communicated. Rainwater easily falls into the cabinet body along a communication point to influence equipment in the cabinet body, cause moisture of the equipment and affect the service life of the equipment in the cabinet body when it rains. According to the scheme, the power distributioncabinet comprises a cabinet body. According to the invention, a sealing plate, a rain guide pipe and water passing holes are arranged; in rainy days, rainwater enters the rain guide pipe, and a dust screen blocks dry branches and fallen leaves to prevent the dry branches and fallen leaves from blocking the rain guide pipe; water entering the rain guide pipe falls through the water passing holes, cannot enter a fixed frame along a sealing frame and then cannot enter the cabinet body; the rainproof performance of the cabinet body is improved; and the service life of the equipment in the cabinetbody is prolonged.

A simple air filter element cleaning device, which belongs to a kind of maintenance and cleaning equipment for engineering equipment; it is composed of a centrifugal fan (1), a single-tube bag vacuum cleaner (7), and an air filter element cleaning platform (4); it solves the traditional cleaning method The service life of the filter element is short, and the pressure is not constant, causing the filter element to be damaged. The secondary dust generated during the purging process will pollute the environment and bring harm to the health of employees.

The present invention discloses a combined high-voltage switch cabinet. The combined high-voltage switch cabinet comprises a cabinet body and a plurality of electrical compartments. Each electrical compartment comprises one upper outgoing line chamber, one bus chamber, one lower outgoing line chamber, one terminal board chamber, one upper instrument chamber, one upper handcart chamber, one lower handcart chamber and one lower instrument chamber. Trays are respectively arranged at the upper handcart chambers and the lower handcart chambers, and handcart switches in the upper handcart chambers and the lower handcart chambers are arranged on the trays. The combined high-voltage switch cabinet solve waste of spaces and cost of a high-voltage switch in the prior art, a breakthrough change is adapted to the high-voltage switch to allow the high-voltage switch cabinet to be more compact and move saving on the basis of ensuring safety and practicality, and to effectively reduce the installation and usage cost; and moreover, a track arranged at the cabinet body is employed to more conveniently and efficiently repair and replace handcarts in the switch, especially, the combined high-voltageswitch cabinet is suitable in a current social environment of an inch of land valuing an inch of gold.