50results about How to "Conform to design" patented technology

The invention provides a three-port DC-DC (direct current) converter topology circuit which comprises a control module, a solar array input end, a bus end and a storage battery end, wherein the input end of the control module is connected with the solar array input end, the bus end and the storage battery end respectively. The three-port DC-DC converter topology circuit also comprises a Buck-Boost circuit connected between the solar array input end and the bus end and a double-direction SuperBuck circuit connected between the bus end and the storage battery end, wherein the control end of the Buck-Boost circuit and the control end of the double-direction SuperBuck circuit are respectively connected with the output end of the control module. The three-port topology structure exchanges a bus port of a three-port topology and a port of a storage battery, primary energy transformation is only needed from a solar battery array to a bus, thus efficiency can be greatly improved, the heat consumption of the integral machine is reduced, heat dissipation measures are reduced, and cost is reduced.

The invention provides a rheumatoid arthritis exercise rehabilitation auxiliary machine, and belongs to the technical field of rheumatoid arthritis rehabilitation medical instruments. The rheumatoid arthritis exercise rehabilitation auxiliary machine has the beneficial effects that a patient can lie down on a fixed pedestal with the front face upward, and can do the slightest exercise actions and also increase the amount of exercise; the amount of exercise of upper limbs and lower limbs are completely controlled according to the amount of exercise of hands of the patient, and whole-body rehabilitation exercises can be synchronously performed; rehabilitation exercises of knee joints of legs are realized; the whole device enables joint movable parts of the upper limbs and the lower limbs of the patient to synchronously do the rehabilitation exercises, and meets the design of an exercise rehabilitation machine, and the body conditions are considered.

The invention, which belongs to the technical field of the mattress, discloses an intelligent mattress comprising a bed body and a bed frame for supporting the bed body. The bed body consists of a back frame, a waist frame, and a seat frame, wherein the frames are in a hinge joint successively. The seat frame is fixed on the bed frame. A first driver with a driving end is arranged at the bed frame; a first connecting rod is in hinge joint with the bed frame; and a second connecting rod is arranged between the first connecting rod and the back frame. The driving end of the first driver makes stretching movement to drive the first connecting rod to swing. One end of the second connecting rod is linked to the first connecting rod and the other end can apply a force to the back frame to enable the back frame to overturn up and down relative to the waist frame. A pin shaft arranged in a swinging region of the first connecting rod is arranged at the waist frame; and the first connecting rod can apply a force to the waist frame by the pins shaft, so that the waist frame can overturn up and down relative to the seat frame. The intelligent mattress has the advantage: the loading force applied on the driver can be reduced.

The invention discloses an antenna structure, at least comprising a radiation member, a feed-in needle and a substrate, wherein the substrate can be a printed circuit board. One end of the feed-in needle can be connected to the radiation member and the other end thereof is electrically connected with a microstrip line and an earth wire on the substrate. Owing to only one feed-in needle in the antenna structure, the design of the radiation member can be further improved to achieve that the feed-in needle is orthogonal to the earth wire. On one hand, available space of antenna can be increased to avoid internal metal elements and raise antenna efficiency, on the other hand, such a modification can also vary the field form of antenna radiation.

The invention discloses full-automatic plank puttying assembly line equipment comprising a control box, a plank pushing mechanism, a raw material plank lifting table, a plank conveying correction mechanism, a putty powder feeding mechanism, an initial form rubber feeding mechanism, a stirring and discharging mechanism, a puttying mechanism and a plank receiving mechanism. The plank pushing mechanism, the raw material plank lifting table, the plank conveying correction mechanism, the puttying mechanism and the plank receiving mechanism are sequentially arranged side by side. The putty powder feeding mechanism, the initial form rubber feeding mechanism and the stirring and discharging mechanism are arranged on the upper portion of the puttying mechanism to achieve automatic feeding. The full-automatic plank puttying assembly line equipment is reasonable in design and simple in structure, and achieves full-automatic puttying, automatic plank feeding, automatic plank feeding number detecting, automatic puttying, automatic plate receiving and the like.

The invention discloses a compression coding method for a signal source with a low code rate and is suitable for broadcasting a static image sequence by turns. The method comprises the following steps of: performing DCT (discrete cosine transform) on the full-screen pixels of an original video image of each frame; weighting coefficients in the pixels and quantizing again; transmitting the coefficients according to the descending order of the possibility of the magnitude; performing entropy coding, operating length coding and transmitting the number of repeated data in the coefficients, converting the frequently appearing values into short-code words and converting other values into long-code words by using the variable length coding; forming the coefficient block data, encapsulating and splicing the coefficient block data into a macro block packet; performing time domain predictive coding and performing the most simplified processing on the predictive coding between two intra-frame coding images; encapsulating the macro block packet into a pixel strip packet; encapsulating a single-frame image packet; and generating an image picture group sequence. The technical scheme of the method effectively reduces generation of redundant data on the premise of relatively maintaining the objective image equality.

The invention relates to a sliding mould train, a sliding closure device and a electronic device with a sliding closure. The electronic device includes the first component, the second component and several sliding mould trains which are set between the first and the second component to make the first component slide parallel, rise up and rotate in proper angle relative to the second component to form corresponding incline angle between the first and the second component.

The invention discloses a method for welding an inner conductor of a filter and a PCB and a cavity filter. By adjusting the position of the inner conductor first, a distance between the top surface of the inner conductor and the lower surface of the PCB meets the requirement; and the influence of the processing and manufacturing error between the inner conductor and the PCB, the PCB board assembly error and the like on the product required height can be avoided by welding the inner conductor on the PCB. Therefore, that the distance from the top surface of the inner conductor to a reference plane of the filter meets the product requirements is effectively guaranteed.

The invention relates to a non-detachable grid beam mould which uses wing plate to increase the contact area and friction with reinforced concrete. The invention comprises a first hollow post whose bottom horizontally extends a base, at least one wing plate at the outer edge of the first hollow post. The invention uses one hollow post and a horizontal accuracy adjuster to increase the height of grid beam mould and adjust the horizontal accuracy.

The invention discloses a mixed radio-frequency duplexer based on a discrete device, which comprises a hybrid ring and three power dividers, wherein the hybrid ring and the power dividers are formed by discrete inductors, capacitors and resistors; the hybrid ring and the isotonic terminals of the three power dividers are successively connected in series to form a ring; the difference terminal of the hybrid ring is the transmitting terminal of the duplexer; the sum terminal of one power divider adjacent to the hybrid ring is the antennal terminal of the duplexer; the sum terminal of another power divider adjacent to the hybrid ring is connected with an earthing resistor; and the sum terminal of another power divider opposite to the hybrid ring is the receiving terminal of the duplexer. The mixed radio-frequency duplexer based on the discrete device can be used for single-antenna communication systems, radar systems and the like. Especially for a radio-frequency frequency band, the isolation degrees of the transmitting terminal and the receiving terminal can be effectively improved, the production cost of the device is lowered, the area of the duplexer is reduced, and the mixed radio-frequency duplexer is favorable for improving the integration level of the communication circuit, and has an important meaning for the miniaturized development of the communication system.

The invention relates to a walking and sliding integration life escape staircase for high-rise buildings, and a manufacturing method and a transforming method thereof. The walking and sliding integration life escape staircase comprises a plurality of turning corner platforms and straight staircases for connecting each stage of turning corner platform, and is characterized in that the straight staircases are formed by steel concrete through integral casting; the inner side is a slide part; the outer side is a staircase part; the outer edge height of the slide part is aligned with the highest point of each stage of step of the staircase; a bent passage part is arranged at the inner side of the turning corner platform; the slide part and the bent passage part are slide grooves with the same cross section shapes; the slope of the slide part is greater than the slope of the bent passage; the slope of the bent passage part is gentle when the slope of the slide part is steep; each slide partis connected in an end-to-end way through the bent passage part of each stage of turning corner platform; and an integral life escape slide with the communicated upper and lower sides is formed. The walking and sliding integration life escape staircase has the advantages that on the basis of fast life escape, the life escape requirements of old people, weak people, patients, disabled people and young people can be met; the regular care and maintenance is not needed; and the walking and sliding integration life escape staircase conforms to the design of the straight staircases and the turning corner platforms used by most of the existing buildings.

The invention discloses an automatic glue spraying and compounding all-in-one machine and a manufacturing method for automobile trunk carpet production. A template of the automatic glue spraying and compounding all-in-one machine is moved by a horizontal sliding mechanism so that the purpose of horizontal displacement glue spraying of a polypropylene cellular board on the template can be achieved through a glue spraying device. The glue spraying device is moved by a vertical sliding mechanism so that the purpose of vertical displacement glue spraying of the polypropylene cellular board on the template can be achieved through the glue spraying device. Meanwhile, the glue sprayed polypropylene cellular board on the template is glued to a sound insulation felt. The glued sound insulation felt and the polypropylene cellular board on the template are quickly transferred to the position below a pressing plate by the horizontal sliding mechanism. The pressing plate is automatically activated and quickly pushed by a power unit so that further pressing, compounding and molding can be carried out on the glued sound insulation felt and the polypropylene cellular board. According to the automatic glue spraying and compounding all-in-one machine and the manufacturing method for the automobile trunk carpet production, the compounding fastness and the production efficiency of an automobile trunk carpet are improved, and the compounded and molded automobile trunk carpet is good in operation performance.

The invention relates to the technical field of PCB (printed circuit board) processing, and discloses a PCB isolation graph secondary dry film etching method which includes the steps: a graph transfer; b graph electroplating; c graph etching; d secondary graph transfer; e secondary etching. The method is applicable to secondary dry film etching of PCBs with locally isolated graphs and the copper thickness of 2OZ-3OZ, production defect rate is greatly reduced, and the method is low in cost, high in efficiency and suitable for large-scale popularization.

The invention discloses a coupling alignment scheme for rabbet-matched single-fulcrum shafting steam turbines. The scheme comprises the steps of matching up the rabbets of the couplings of two single-fulcrum shafting steam turbines by a temporary connecting piece; reserving a gap between the end surfaces of the couplings of the two single-fulcrum shafting steam turbines for measuring the deviation of the end surfaces; loosening the temporary connecting piece to confirm the circular center of the coupling of each single-fulcrum shafting steam turbine; adjusting the positions of two rotors connected with the couplings of the two single-fulcrum shafting steam turbines to measure the gap between the end surfaces of the couplings of the two single-fulcrum shafting steam turbines; judging whether a mouth-gaping value meets the design requirement or not through comparing and analyzing the gap value between the end surfaces; on the condition that the mouth-gaping value does not meet the design requirement, conducting the adjustment. According to the technical scheme of the invention, through matching up the rabbets of the couplings of the two single-fulcrum shafting steam turbines, the two single-fulcrum shafting steam turbines can be aligned with each other and the circumferential deviation is eliminated directly. The operation is simple and the circumferential deviation of the couplings of each single-fulcrum shafting steam turbine is free from being measured and adjusted. The alignment state is consistent with the running state of a rotor shaft system.

The invention provides a three-port DC-DC (direct current) converter topology circuit which comprises a control module, a solar array input end, a bus end and a storage battery end, wherein the input end of the control module is connected with the solar array input end, the bus end and the storage battery end respectively. The three-port DC-DC converter topology circuit also comprises a Buck-Boost circuit connected between the solar array input end and the bus end and a double-direction SuperBuck circuit connected between the bus end and the storage battery end, wherein the control end of the Buck-Boost circuit and the control end of the double-direction SuperBuck circuit are respectively connected with the output end of the control module. The three-port topology structure exchanges a bus port of a three-port topology and a port of a storage battery, primary energy transformation is only needed from a solar battery array to a bus, thus efficiency can be greatly improved, the heat consumption of the integral machine is reduced, heat dissipation measures are reduced, and cost is reduced.

The invention relates to a sliding module and an electronic device with the sliding module. And the sliding module comprises a first component, a second component, two sliding components and two holding components, where the first component is mounted over the second component, the bottom surface of the first component is equipped with a pair of raised rails whose surfaces are of arc design and the top surface of the second component is equipped with a pair of corresponding runners to the raised rails, and the sliding component and holding component are mounted between the first and second components, and by the interaction between the raised ralis, runners and sliding component, it makes the first component able to slide corresponding to the second component in the arc track direction, so as to be able to form a slope angle between the first and second components.

The invention belongs to the technical field of preservation and particularly relates to a preservative based on gamma-aminobutyric acid combined with lactobacillus plantarum and application thereof in agaricus bisporus preservation. The preservative is lactobacillus plantarum clean water suspension wherein aminobutyric acid is dissolved, cell amount of the lactobacillus plantarum in the suspension is 10<6> to 10<7>cfu / mL, and concentration of the gamma-aminobutyric acid is 100 to 200mug / mL. The preservative disclosed by the invention can effectively inhibit brown strain of sporocarp, can keep hardness of sporocarp and prolongs a storage period of agaricus bisporus. The preservative disclosed by the invention has the advantages of safety, no toxicity and an excellent preservation effect, not only can avoid potential hazards brought by using chemical preservative to human and environment, but also can enhance a nutritional health-care effect of the agaricus bisporus. A preparation method of the preservative disclosed by the invention is simple, is simple to operate and convenient to use, can better conform to current preservative designing and developing directions and has better practical value and popularization and application prospect.

The invention provides an automatic driving underlying system based on a UWB positioning technology, which can overcome the defects of a visual perception system and improve the accuracy of automatic driving positioning, and comprises a cloud server, a UWB license plate and a vehicle main control module arranged on a vehicle, and a plurality of roadside units arranged on the roadside, the UWB license plate is used for sending UWB license plate data to the road side unit in real time; the road side unit is used for packaging and uploading UWB license plate data and the own number to the cloud server; the cloud server retrieves vehicle information according to a license plate number in the UWB license plate data, retrieves roadside unit position information according to a roadside unit number, finally establishes a mathematical model according to the vehicle information, the roadside unit position information and the UWB license plate data, determines the position and direction of a vehicle, performs path planning, generates a vehicle driving instruction of each vehicle, and sends vehicle driving instruction to the vehicle main control module; and the vehicle main control module is used for controlling the vehicle to run according to the vehicle running instruction.

The invention relates to a handheld vacuum cleaner, belongs to the technical field of portable dust removal equipment, and solves the problem of the prior art that it is difficult to more reasonably design a handle without increasing the size of a whole device. The handheld vacuum cleaner comprises an intake duct, a dust bucket, a separation component, a battery component, a flow generator and a handheld portion; the separation component includes a first axis which the battery component surrounds; the flow generator is arranged at the top of the handheld portion; the battery component is closeto the flow generator. in one technical scheme, the battery component is at least partially arranged above the dust bucket, and the lowest part of the bottom of the battery component is lower than the highest part of the top of the handheld portion. The length of the handle is increased without increasing the overall height; it is more comfortable to perform holding; the structure is more compact.

The invention relates to the technical field of PCB (printed circuit board) processing, and discloses a PCB isolation graph copper pouring and distributing secondary etching method which includes thesteps: a copper pouring film optimization; b graph transfer; c graph electroplating; d graph etching; e secondary graph transfer; f secondary etching. The method is applicable to secondary etching ofcopper pouring and distributing of PCBs with locally isolated graphs and the copper thickness smaller than 2OZ, production defect rate is greatly reduced, and the method is low in cost, high in efficiency and suitable for large-scale popularization.

The invention discloses a cement stirrer which comprises a stirrer body composed of a stirring cylinder, a base and a feeding table. The stirring cylinder is a cylindrical cylinder, a stirring shaft is arranged inside the stirring cylinder, one end of the stirring shaft is connected with a rotating shaft of a motor, a plurality of stirring layers are arranged on the stirring shaft, a certain distance is formed between every two adjacent stirring layers, each stirring layer is composed of at least two stirring blades, the closer the portion gets to a discharging opening, the larger the number of stirring blades is, the feeding table is located at the rear end of the stirring cylinder, the bottom of a sliding groove is connected with a feeding inlet, the base is arranged at the lower end ofthe stirring cylinder, the upper end of the base is an arc groove, the stirring cylinder is arranged inside the groove, the two sides of the stirring cylinder are fixed to the base through screws, finished products are more refined due to stirring of the stirring layers, and meanwhile damage to the stirrer is lowered.

The invention discloses a mixed radio-frequency duplexer based on a discrete device, which comprises a hybrid ring and three power dividers, wherein the hybrid ring and the power dividers are formed by discrete inductors, capacitors and resistors; the hybrid ring and the isotonic terminals of the three power dividers are successively connected in series to form a ring; the difference terminal of the hybrid ring is the transmitting terminal of the duplexer; the sum terminal of one power divider adjacent to the hybrid ring is the antennal terminal of the duplexer; the sum terminal of another power divider adjacent to the hybrid ring is connected with an earthing resistor; and the sum terminal of another power divider opposite to the hybrid ring is the receiving terminal of the duplexer. The mixed radio-frequency duplexer based on the discrete device can be used for single-antenna communication systems, radar systems and the like. Especially for a radio-frequency frequency band, the isolation degrees of the transmitting terminal and the receiving terminal can be effectively improved, the production cost of the device is lowered, the area of the duplexer is reduced, and the mixed radio-frequency duplexer is favorable for improving the integration level of the communication circuit, and has an important meaning for the miniaturized development of the communication system.

The invention discloses an underwater concrete pouring level measurement device and method. The underwater concrete pouring level measurement device comprises an adjusting rod of a telescopic rod structure, and a pliers-type probe movably connected with the lower end portion of the adjusting rod, wherein scales are marked on the surface of the adjusting rod; the pliers-type probe is composed of pliers handles and pliers pieces which are symmetric in a bilateral mode; the connection position of the pliers handles and the pliers pieces is connected with the lower end portion of a steel wire rope; the steel wire rope penetrates through the center of the adjusting rod and extends out of the rear end portion of the adjusting rod; correspondingly, the adjusting rod is provided with a through hole for containing the steel wire rope; and when the pliers-type probe moves, the steel wire rope vertically moves. Compared with the prior art, the underwater concrete pouring level measurement deviceand method not only ensure that the concrete level is in place, but also avoid the situation that concrete is wasted as the pouring height is too large, can reduce the pile breaking engineering amountand achieve the functions of ensuring the engineering quality of a pile foundation and reducing the cost.

The invention discloses an automobile charging indicating lamp and a charging method thereof.The automobile charging indicating lamp comprises a lamp shell, a plurality of indicating lamps are embedded in one side face of the lamp shell, an interface is formed in the back face of the lamp shell, a charging wire is arranged on the interface, a charging socket is formed in one end of the charging wire, and the other end of the charging wire penetrates through the interface to be electrically connected with the indicating lamps; the method comprises the following steps of: clamping an external charger by using the clamping piece, and connecting the charging socket with the charger; the indicator lamp is charged under the connection action of the charging wire, and the lamp strip of the indicator lamp is gradually lightened in cycles; according to the charged amount, the position of the lamp strip of the indicator lamp is displayed upwards continuously. Compared with the prior art, the lamp strip is used for identifying the charging electric quantity, so that the charging quantity is visually shown, the charging process can be very attractive in a stepped display mode in the charging process, contemporary automobile design and aesthetic appreciation are met, and wide market prospects are achieved.

The invention discloses a method for manufacturing a multi-layer PCB board with groove-type embedded copper blocks, which includes pretreating the copper blocks; fixing the prepared conductive and heat-conducting materials on the first surface of the copper blocks; One inner layer core board...Nth inner layer chips are arranged in sequence, and prepregs are arranged between adjacent inner layer core boards to form core board parts, and the other inner layer core boards and prepregs except the first inner layer core board Through holes are provided at the corresponding positions on the top to form a through groove; the copper block is put into the through groove so that the conductive and heat-conducting material is located between the first surface of the copper block and the first inner core board, and pressed together; according to Recesses need to be milled in the first inner chip and copper block. By using special conductive and heat-conducting materials and a unique operation method, the present invention relatively easily realizes the design purpose of the groove of the traditional power amplifier, avoids the quality risk of tin climbing in the traditional method of assembly, and solves the traditional method of mandatory graphics Problems and limitations of electroplating.

The invention discloses a construction supporting device suitable for a low space under a variable cross-section beam. The device comprises a plurality of supporting units arranged in parallel and a plurality of bases. Each supporting unit comprises an upper chord member, a lower chord member, an adjustable vertical rod and an inclined strut; the lower chord member comprises a horizontal supporting rod, two end supporting rods and a plurality of middle supporting rods; the adjustable vertical rod comprises an outer sleeve, an inner supporting rod and a bolt. The upper chord member comprises a left end rod, at least one middle rod and a right end rod which are sequentially connected through threads; and a base is connected below the horizontal supporting rods at the same position on all the supporting units. The device has the advantages that during building, the height can be freely adjusted according to the specific condition of a low space during bridge construction; the supporting angle can be adjusted through the adjustable vertical rods so as to adapt to construction of bridges of different structures; the positions of the supporting units are finely adjusted through the threads. The device has the advantages of being high in adaptability, convenient to mount and dismount, capable of quickly positioning the supporting node position and fine-tuning the supporting position.