39results about How to "Regular maintenance" patented technology

The invention provides in various embodiments methods and systems relating to controlling energy storage units in flowing electrolyte batteries.

The present invention proposes a one-axis solar tracker system and apparatus which is simple to install, lower cost and with the provision of an electric-magnetic locking device to resist from medium to strongest wind condition like hurricane or typhoon. Solar farms is more and more popular to use one-axis tracker due to lower cost, higher wind resistance and easier for large scale solar farm installation, especially at lower latitude tropic zones. This disclosure proposes a one-axis tracker with multiple posts support using a single or dual linear actuators driving mechanism for rotation. It is also equipped with a wind lock device to lock the solar tracker in horizontal neutral position during strong wind condition such as hurricane or typhoon. The stepwise wind lock device can further be applied to locking the solar tracker following each step of linear actuator activation enabling the disclosed solar tracker to operate in windy conditions.

The present invention proposes a one-axis solar tracker system and apparatus which is simple to install, lower cost and with the provision of an electric-magnetic locking device to resist from medium to strongest wind condition like hurricane or typhoon. Solar farms is more and more popular to use one-axis tracker due to lower cost, higher wind resistance and easier for large scale solar farm installation, especially at lower latitude tropic zones. This disclosure proposes a one-axis tracker with multiple posts support using a single or dual linear actuators driving mechanism for rotation. It is also equipped with a wind lock device to lock the solar tracker in horizontal neutral position during strong wind condition such as hurricane or typhoon. The stepwise wind lock device can further be applied to locking the solar tracker following each step of linear actuator activation enabling the disclosed solar tracker to operate in windy conditions.

The invention is applicable to the data storage field, and provides a program storage method, a system and a program order system. The method includes the following steps: the level of a hot program is judged, if the hot program is in highest level, all content of the hot program is cashed, and if the hot program is in lower level, part segment of the hot program is cashed. In the embodiment of the invention, the hot program is cashed and the cashed program content is maintained regularly according to the order condition of the user, thereby enhancing the concurrent capacity of a streaming media server.

Provided are an apparatus and method for transmitting data using multiple antennas and beamforming. The apparatus of the present invention comprises: a modulation unit which performs constellation mapping on input bits to generate modulated symbols; a pre-coding unit which multiplies a pre-coding matrix and the modulated symbols to generate pre-coded symbols; and a plurality of transmitting antennas for transmitting the pre-coded symbols. According to the present invention, a beam width is maintained constant, regardless of a radiation angle, thus preventing a loss of power caused by an angular spread and preventing the generation of shadow zone at a large radiation angle.

The present invention provides a task history management and analysis method based on a graph database. The method comprises three parts: base graph construction, resume structuralization, and findinga complex relationship between characters. According to the method provided by the present invention, the characteristic of convenience for relationship storage of the graph database is used, so thatthe frequent linkage matching operation of the relational database is avoided, and relationship searching efficiency is greatly improved; each node has a one-to-one correspondence with the real entity, so that access and management of each entity node can be facilitated, and the hierarchical structure of the entity node can be conveniently stored in the graph; and in a specific usage scenario, the information confirmation and maintenance work of each character can be handed over to himself / herself to complete, so that information integrity and information reliability of the entire graph datacan be comprehensively improved.

The present invention relates to an electrostatic chuck having electrodes of which polarities are periodically inverted, and a method for chucking wafers using the electrostatic chuck. The electrostatic chuck of the present invention includes an electrode part including first and second electrodes having different polarities and generating electrostatic charge for fixing a wafer, an electric source part having a first electric source for supplying positive and negative electricity to the respective first and second electrodes and a second electric source for supplying the negative and positive electricity to the respective first and second electrodes, and a polarity inversion part for inverting the polarities of the first and second electrodes every cycle.

A voltage supply circuit includes a pump voltage generator for generating an input voltage by changing a power source voltage to a desired level and changing a level of the input voltage according to a rising time of an operating voltage.

Holes (duct 10 for service and in-wall duct 12) penetrated through a back plate 11 of the indoor machine 1, an installed member and an installation wall 13, are formed and the components 9a inside of the indoor machine are arranged to allow a hand of the worker or a tool to reach the components for replacing or cleaning the components. A cover for preventing the intrusion of wind and rain is mounted on an outer wall side of the hole, and a lock for crime-prevention can be attached thereto.

The invention discloses an automobile collision-proof chassis guard plate including a first guard plate main body, an inclined plate, a second guard plate main body, a connecting hole, a fixing device, a heat dissipation device and a buffer device, a right end of that first guard plate main body is weld to a lower side of the left end of the incline plate, an upper side of that right end of the inclined plate is welded to the left end of the second guard plate main body, two connecting holes are disposed on the front and rear sides of the upper end of the first guard main body, and three connecting holes are disposed on the front, middle, and rear sides of the upper end of the second guard main body. When the car encounters uneven ground, the buffer device contacts the ground in advance, and the impact force from the ground moves the buffer plate upwards, the buffer plate drives the top column to move upward, and the third spring and the fourth spring simultaneously compress to reach the limit. After resetting, the impact force is offset, the cushioning effect is increased, thereby reducing the impact on the guard plate, protecting the guard plate, and protecting the internal partsof the body.

The invention discloses a household air purification device, and relates to the technical field of air purification equipment. The household air purification device comprises a shell; the shell comprises an air inlet arranged on a front wall, an air outlet arranged on a rear wall and a filter net mechanism and a fan arranged in an inner cavity; the filter net mechanism is vertically arranged between the air inlet and the air outlet; the fan is located on the rear side of the filter net mechanism; the shell further comprises a protection cover plate located on the outer side of the air inlet; a clearance is preserved between the protection cover plate and the air inlet; a camera is arranged on the top of the shell; and an air outlet grid plate is arranged on the air outlet. The household air purification device is especially applicable to air purification in a room of a child; and meanwhile, the household air purification device has a real-time monitoring function, so that safety and stability are high.

The invention discloses a canine tooth spliced type multi-union ecological purification pond which comprises a purification pond, a plurality of porous purification bricks, aquatic plants and a plurality of baffle strips, wherein the water inlet of the purification pond is communicated with a canal; the plurality of the baffle strips are arranged at the bottom of the purification pond; the bottomof the purification pond is partitioned into a plurality of long-stripy zones by the plurality of the baffle strips; the aquatic plants and the porous purification bricks are fixed at intervals amongthe plurality of the baffle strips; a plurality of porous purification bricks are arranged at intervals between adjacent baffle strips; two adjacent rows of the porous purification bricks are arrangedin a staggered manner. By adopting the purification pond, three water purification means of plant absorption, microorganism degradation and photocatalysis removal are integrated, a complementary purification mode can be achieved, concentrations of various pollutants in water bodies can be effectively reduced, and the water purification efficiency can be thus improved; the porous purification bricks are arranged in a canine tooth staggered arrangement mode, and water flows along a curve in the purification pond, so that not only is the water retention time of sewage in the purification pond prolonged, but also the water through quantity of the porous purification bricks is increased, and the water purification efficiency can be greatly improved.

The invention discloses restoration essence liquid and a preparation method thereof. The restoration essence liquid is prepared from the following ingredients in parts by weight: a group A: 65 parts of water, 5 parts of butanediol, 2.5 parts of panthenol, 1.5 parts of carnosine, 0.25 part of sodium hyaluronate, 2 parts of grape seed oil, 0.15 part of resveratrol, 5 parts of dipropylene glycol and5 parts of 1,2-pentanediol and a group B: 2 parts of grape seed extracts, 1 part of lavender extracts, 1.5 parts of rosemary extracts, 3 parts of chamomilla recutita flower / leaf extracts, 3 parts of buckeye extracts, 1 part of althea officinalis extracts and 1.6 parts of saccharomyces cerevisiae extracts. The restoration essence liquid has the scientific and reasonable ingredients; in addition, the use is safe and convenient; in the preparation process of the restoration essence liquid, all equipment, tools and pipelines in contact with raw and auxiliary materials and semi-finished products inthe preparation process are made of non-toxic, harmless and anti-corrosion materials; the inner wall is smooth; falling is avoided; production equipment is regularly repaired, maintained and cleaned;safe risk substances cannot be introduced by the production equipment.

The invention relates to a mobile truck maintenance engineering vehicle belonging to the technical field of maintenance vehicles. A truck frame with a front engine is provided with a square tank; the square tank is formed by lap-jointing a left side plate, a right side plate, a tail plate, a top plate and a front plate; an inner side plate parallel to the right side plate is arranged in the right side plate; an inner tail plate parallel to the tail plate is arranged in the tail plate; automobile maintenance equipment and office equipment are arranged in an equipment storage office enclosed by the inner tail plate, the inner side plate, the front plate, the left side plate and the top plate; the right side plate is horizontally placed on the ground to serve as an automobile maintenance area; a hydraulic lift and a four-wheel positioner are arranged on the inner side of the right side plate, and adjustable hydraulic struts are arranged on the outer side of the right side plate. The mobile truck maintenance engineering vehicle has the advantages that the vehicle can be directly moved to a specified position according to customer's needs to maintain trucks, so that time is saved for customers, the burden of truck owners is relieved and the trucks are maintained regularly.

The invention provides a spring plate of an automobile vibration damper. The spring plate comprises a mounting block, a vibration damping device, a fixing disc and an oil storage barrel. The vibrationdamping device is fixedly connected to the left side of the mounting block. The fixing disc is movably connected to the left side of the vibration damping device. The oil storage barrel is fixedly connected to the middle of the left side of the fixing disc. The vibration damping device comprises a waterproof plate, water outlets, the vibration damper, spring cushions, a spring base and a buffer rubber cushion. The waterproof plate is fixedly arranged at one side of the inner wall of the vibration damping device. The water outlets are formed in the right side of the waterproof plate in a penetrating manner. The vibration damper is fixedly arranged in the middle inside the vibration damping device. The spring cushions are fixedly arranged at the left end and the right end of the vibration damper. The spring plate is provided with the waterproof plate, the waterproof plate is arranged on the inner wall of the vibration damping device, and therefore, when the vibration damper is used, impacting water from the outside can be stopped out of the vibration damping device; thus, the water is prevented from impacting the interior of the vibration damping device; the water resistant effect is good; practicability is high; and the wide practicability is achieved.

The invention discloses an urban wastewater treatment device based on a membrane separation technology, and belongs to the technical field of wastewater treatment. A deformation filter screen and a slow release box are impacted by water to make a carbon dioxide aqueous solution in the slow release box decomposed to generate carbon dioxide, a contact top block extrudes the deformation filter screento enlarge the mesh aperture of the deformed filter screen, part of particles enter the lower side of the deformation filter screen through meshes of the deformation filter screen, powder particles are formed between an annular membrane and the deformation filter screen, and when an annular expansion bag is supported, the powder particles are extruded, so gaps among the powder particles are reduced, and the filtering effect of powder particles is improved; by arranging crushing thorns, when the annular expansion bag is supported, the crushing thorns can fully crush powder particles, so that gaps among the powder particles can be reduced, and the filtering effect of the powder particles can be improved; and large water flow can be buffered through continuous decomposition and synthesis ofcarbonic acid, so a semi-permeable membrane is not prone to damage.

The invention discloses a semitrailer traction base for a transport vehicle. The traction base comprises a saddle, the bottom of the saddle is fixedly connected with a mounting base; a box placing plate is mounted at the bottom of the mounting base; two storage boxes are symmetrically mounted in the box placing plate; the outer end of any storage box is fixedly connected with a box handle; the outer end of the inner end of any storage box is fixedly connected with a limiting block; limiting grooves corresponding to the limiting blocks are formed in the box containing plate, reset springs are installed in the limiting grooves, four rolling grooves are formed in the sides, close to each other, of the two storage boxes at equal intervals, balls are installed in any rolling groove, and bottledbutter is arranged in any storage box. Through the arrangement of the storage mechanism, butter can be bottled and stored at the bottom of the saddle, when the traction base is smeared, the tractionbase does not need to be additionally carried, forgetting cannot be caused, and therefore it is guaranteed that the traction base can be maintained on time and is very convenient to take and use.

A composition having functions of clearing away lung heat, relieving cough and reducing phlegm and a preparing method thereof are disclosed. The composition includes honeysuckle bud and flower, liquorice root, milkvetch root, ginseng, boat-fruited sterculia seed, mint, tendrilleaf fritillary bulb and finger citron. The prepared composition has the functions of clearing away lung heat, relieving cough and reducing phlegm, utilizes synergistic effects of active components of a plurality of traditional Chinese medicines, is capable of tonifying qi and yin, promoting phlegm elimination, clearing away heat, detoxifying and dissolving turbidity, and can effectively relieve and treat throat dryness, pain and itch, dry cough, ungratifying coughing with phlegm, and other diseases caused by lung infection with contaminated air such as haze, smoking and dust transition. Production of effects is rapid. Preventing and treating effects are significant. The composition is also capable of increasing body fluid and expelling the pathogenic factor, is beneficial to health when the composition is drunk when air is contaminated, and can also be used for periodic maintenance at ordinary times.

The invention discloses an AI skin care instrument which comprises an outer shell, a material body bottle assembly, a material body bin assembly, a power structure assembly, a voice device and a control module. The voice device comprises a built-in microphone and a loudspeaker assembly. The control module comprises a voice recognition module, a networking module and a central processing module. The voice recognition module is connected with the built-in microphone, and the central processing module is connected with the voice recognition module, the networking module and the loudspeaker assembly. The built-in microphone receives voice requirements of a user and feeds back the voice requirements to the control module, then the control module analyzes and processes the voice requirements toobtain a requirement result, and the loudspeaker assembly plays corresponding result information. The skin care instrument is compact in structure and high in space utilization rate, the structure ofthe skin care instrument is further designed and optimized, meanwhile, through the design of the voice device and the control module, the whole skin care instrument is more intelligent and more user-friendly, and the AI function is achieved.

The invention relates to a working platform of a movable automobile service and maintenance machineshop truck, which belongs to the technical field of movable automobile service and maintenance trucks. According to the movable automobile service and maintenance machineshop truck, a truck frame with a prearranged engine is adopted, a square case body is arranged on the frame, and the case body is formed in a way that a side plate, a tail plate, a top plate and a front plate are overlapped. The movable automobile service and maintenance machineshop truck is characterized in that the side plate of the movable automobile service and maintenance machineshop truck is used as the working platform, and an inner side plate is arranged on the inner side of the working platform; the inner side of the working platform is a working surface, two parallel lifting machine slots and winches are arranged on the working surface, scissor-fork type hydraulic lifters are arranged in the lifting machine slots, and an adjustable hydraulic support column is arranged on the outer side of the working platform. The working platform has the advantages that the working platform can be directly moved to a designated position according to the requirement of a customer, so as to perform automobile service and maintenance, time is saved for the customer, the burden of an automobile owner is reduced, and additionally, normal automobile service and maintenance are guaranteed.

The utility model provides an improved sealing rotary discharger which comprises a base body, a motor and a rotor impeller assembly. The upper end and the lower end of the machine body are provided with a feeding port and a discharging port respectively, the left side and the right side of the machine body are provided with a front cover plate and a rear cover plate respectively, the rotor impeller assembly is arranged in the base body, one end of the rotor impeller assembly penetrates through the front cover plate to be connected to the output end of the motor, the other end of the rotor impeller assembly penetrates through the rear cover plate and is provided with a detection assembly, and the motor is connected to the controller. The detection assembly is connected to the controller and used for detecting the rotation condition of the rotor impeller assembly. According to the utility model, the replaceable blade structure is arranged, so that the blades can be replaced and maintained regularly, the device is suitable for different transmission conditions, and the transmission efficiency is ensured.

The invention relates to a trouser ear forming and cutting device, which is composed of a trouser ear forming unit and a trouser ear cutting unit. The trouser ear forming unit is composed of a driving rod, an inverted V-shaped nozzle and a guiding mechanism; the trouser ear cutting unit is composed of a chassis, Composed of frame, pressing roller and cutting mechanism. The invention is simple in structure and reasonable in design. The innovation point is that the trouser ear forming unit and the trouser ear cutting unit are integrated to realize fully automatic production without manual operation. One is to save manpower and operation time, and the other is to reduce the defects caused by manual operation. It is more conducive to standardized large-scale mass production, effectively improves work efficiency, and is suitable for vigorous promotion and application.

The invention discloses a computer data processing device based on big data, and relates to the technical field of computer data processing devices.The computer data processing device comprises a computer body, a regular maintenance assembly is arranged on the inner wall of one side of the computer body, and the regular maintenance assembly is used for regular maintenance of a motor; the regular maintenance assembly comprises a driving unit and a manual adjusting unit which are connected, the manual adjusting unit is rotated to make contact with the driving unit, and the driving unit drives the manual adjusting unit to rotate to maintain the motor. The output end of the driving motor drives a rotating driving shaft transmission fixing wheel, a transmission belt, a driven shaft, a positioning cam, a driving gear annular rack, a cylindrical connecting block and a maintenance brush plate to rotate, so that the maintenance brush plate rotates on the surface of the driving motor, and the air-cooled motor can be maintained regularly; and frequent damage caused by lack of maintenance due to long-term use of the air-cooled motor is avoided.

The invention discloses an external feeding driving packing scale. The external feeding driving packing scale comprises a scale body, a feeding hopper arranged in the scale body, a feeding valve hinged to the outlet of the feeding hopper, a transmission shaft arranged in the scale body, a connecting rod assembly and a driving device, wherein the two ends of the transmission shaft respectively penetrate through the scale wall to extend to the outside, one end of the connecting rod assembly is fixedly connected with the transmission shaft, the other end of the connecting rod assembly is hinged to the feeding valve, the rotation force generated by the transmission shaft drives the feeding valve to be opened or closed through the connecting rod assembly, and the driving device is arranged outside the scale body and connected with the end, extending out of the scale body, of the transmission shaft to drive the transmission shaft to rotate. According to the external feeding driving packing scale, the driving device is arranged outside the scale body, and materials can be prevented from being polluted.

The utility model relates to the technical field of sewage treatment, and discloses sewage treatment equipment with a backwashing mechanism, which comprises a sewage treatment tank, a water inlet is arranged at the lower position of one side of the sewage treatment tank, a water outlet is arranged at the upper position of one side of the sewage treatment tank, and a second blow-off pipe is arranged at the bottom end of the sewage treatment tank. A first filter screen is mounted at the lower position in the sewage treatment tank, a second filter screen is mounted at the upper position in the sewage treatment tank through a mounting plate, an adsorption filter element is arranged on the inner wall of the second filter screen, and a baffle is arranged around the outer ring of the second filter screen; by means of the first filter screen, the second filter screen and the adsorption filter element, filtration and adsorption can be conducted in sequence according to the size of impurities, large-particle pollutants are prevented from directly blocking the adsorption filter element, meanwhile, large influence on the cleaning efficiency is prevented, water flow can be separated after the precipitated impurities are treated, and the whole sewage treatment tank can be detached to be cleaned so that regular maintenance can be facilitated.

Holes (duct 10 for service and in-wall duct 12) penetrated through a back plate 11 of the indoor machine 1, an installed member and an installation wall 13, are formed and the components 9a inside of the indoor machine are arranged to allow a hand of the worker or a tool to reach the components for replacing or cleaning the components. A cover for preventing the intrusion of wind and rain is mounted on an outer wall side of the hole, and a lock for crime-prevention can be attached thereto.

The invention provides a stay cable single-time synchronous tensioning device based on spatial special shape, which comprises tower columns, anchor beams, a fixing frame, a center hole jack, a buffer pressure detection frame structure, an auxiliary reinforcing frame structure, a stay cable, a fixing rod, a pump set, a PLC (programmable logic controller), a stay cable guide protection frame structure and a maintenance refueling frame structure, and the anchor beams are respectively mounted on the inner sides of the tower columns; the joint of the anchor beam and the tower column is fixedly connected with a fixing frame; the center hole jack penetrates through the tower column and is installed on one side of the fixing frame. A buffer pressure detection frame structure is mounted at the upper part of the center hole jack; the upper part of the buffer pressure detection frame structure is provided with an auxiliary reinforcing frame structure. The concave guide wheels are arranged on the upper side and the lower side of the stay cable, damage caused by abrasion between the stay cable and the outer side of the tower column can be avoided in the using process, and then the protection effect on the stay cable is improved.