87results about How to "No need to increase size" patented technology

An integrated wafer level package comprises a first wafer provided with a first surface and a corresponding second surface, and a second wafer provided with a first surface and a corresponding second surface; a distance is kept between the two wafers; the second surface of the first wafer and the first surface of the second wafer are opposite to each other to form a first space; a first bulk acoustic wave filter is arranged on the second surface of the first wafer and a second bulk acoustic wave filter is arranged on the first surface of the second wafer, and the two bulk acoustic wave filters are directly opposite to each other to form a second space; a seal ring arranged between the two wafers circles the two bulk acoustic wave filters to form sealing, and the seal ring and the two bulk acoustic wave filters form a cavity; and at least an external electric connector is arranged and is in electric coupling with at least one of the two bulk acoustic wave filters. The integrated wafer level package has the advantages of lower manufacturing cost and high product quality; and by adopting the integrated wafer level package, two or more filter components can be packed into a wafer level package to prevent the filters from the environment pollution of ambient atmosphere.

The invention discloses a magnetorheological polishing device. A polishing head consists of a workpiece shaft, a nonmagnetic fixture fixed at the lower end of the workpiece shaft and a soft magnetic plate arranged between the nonmagnetic fixture and the workpiece shaft; a fluid carrying groove containing magnetorheogical fluid is positioned below the polishing head; the bottom of the fluid carrying groove is provided with a polishing pad; an electromagnet is positioned below the fluid carrying groove and is kept 12-18mm away from a workpiece; the electromagnet and the fluid carrying groove are driven by a reciprocating transmission mechanism and linearly reciprocate parallel to the polished surface of the workpiece. The device is used for magnetorheological polishing, the flux density of the electromagnet is 0.1-0.4T, the reciprocating travel is slightly greater or equal to the workpiece polishing length, and the reciprocating speed is 0.5-5mm / s. A surface material of the workpiece is removed under the compound motion of translational motion of a magnetic field and rotation of the workpiece. The device has the advantages of good homogenization of the magnetic field, smooth exchange of the magnetorheogical fluid in a polishing area, easy discharge of processing scraps, good homogenization of micro textures of the polished surface of the workpiece and the like, and is particularly suitable for grinding and polishing large-plane surfaces of narrow and long workpieces.

The invention discloses a sheathing tube capable of being adjusted to be bent. The sheathing tube comprises a tube body, a traction mechanism and a fixed connecting mechanism. The traction mechanism comprises an anchoring ring and a traction wire. The anchoring ring is coaxially embedded into the far-end elastic section of the tube body. The traction wire is arranged in the side wall of the tube body and extends in the axial direction of the tube body, the traction wire comprises a first section and a second section which are connected with each other, the first section is connected with the fixed connecting mechanism near the near end of the tube body, and the second section hooks the anchoring ring. Due to the fact that the traction wire hooks the anchoring ring, the stress point between the anchoring ring and the traction wire is a hooking part, the connecting mode is similar to the flexible connection, and the connecting strength and the connecting stability between the anchoring ring and the traction wire can be guaranteed. In addition, the traction mechanism is simple in structure, components do not need to be additionally arranged,the structure does not need to be additionally improved, only the connecting mode of the traction wire and the anchoring ring needs to be changed, the size of the anchoring ring and the size of the traction wire do not need to be increased, and then the thickness of the side wall of the tube body cannot be influenced obviously.

The invention relates to a surface mounting method for a printed circuit board, wherein the printed circuit board is provided with a large device including a large device body and a soldering pin. The method comprises the following steps: (1) obtaining an empty board including a first face and a second face, the first face being provided with a large device mounting area including a bonding pad area and a blank area; (2) a first side printing: printing solder paste in the bonding pad area; (3) gluing and the first face mounting: putting an adhesive in the blank area to form an adhesive layer and then mounting the large device on the large device mounting area; (4) reflow soldering: subjecting the mounted large device to reflow soldering; (5) second face treatment: subjecting the second face to conventional printing, patch mounting and reflow soldering. The method solves the dropping of the large device in the first face, does not need to increase the size of the PCB, reduces the production cost, improves the PCB layout efficiency, and is simple and convenient for industrial application.

The present invention provides an acoustic resonator and a sound chamber. The acoustic resonator adaptable to a sound chamber is designed to decrease a sound pressure while increasing a particle velocity of medium particles in a low frequency range without increasing the overall size thereof. The acoustic resonator is constituted of a pipe member having one opening end and a resistance member embracing a high resistance region and a low resistance region. The resistance member is inserted into the pipe member such that one end thereof matches the opening end of the pipe member whilst the other end thereof is disposed at a predetermined position inside a hollow cavity of the pipe member. The high resistance region embraces an antinode region of the particle velocity distribution with respect to a standing wave occurred in the hollow cavity at a resonance frequency, thus causing an acoustic phenomenon decreasing the resonance frequency compared to a single unit of the pipe member.

The invention discloses a multi-frequency common base station antenna comprising a reflection plate, a low-frequency radiating unit and a high-frequency radiating unit which are arranged on the reflection plate and a dual-frequency combiner which is connected with the high-frequency radiating unit. The dual-frequency combiner is connected with the high-frequency oscillators in the two arrays of the target high-frequency radiating unit in the high-frequency radiating unit in a one-to-one way to multiplex the high-frequency oscillators. The feeding end of the dual-frequency combiner is connectedwith the feeder network corresponding to the two frequency bands of the target high-frequency radiating unit. Therefore, the high-frequency oscillators are multiplexed by the dual-frequency combinerso as to realize a wider working frequency range without increasing the size of the reflection plate, and thus the volume and the size of the antenna are small and the antenna meets the requirements of miniaturization and multi-frequency of the antenna.

The invention relates to a chip burning base and method. An MCU (Microprogrammed Control Unit) is loaded on the burning base, an encryption algorithm is burnt in the MCU, wherein the burning method comprises the following steps of: 1, selecting a chip model to be burnt on an upper computer interface, after selection is completed, sending model data corresponding to a chip to a burner by an upper computer; 2, placing the burning base on the burner, decrypting the model data of the burning base, stored in the MCU, by the MCU on the burning base, sending the decrypted model data to a burner platform; 3, respectively reading data sent by the upper computer and data sent by the MCU by the burner platform, comparing wherein the data sent by the upper computer and the data sent by the MCU are matched; 4, when carrying out once burning process, sending a signal for carrying out burning to the MCU on the burning base by the burner platform; and 5, if the MCU receives the signal for carrying out burning, sent by the burner platform, starting a counting mechanism inside the burner platform, completing once counting. The chip burning base has an encryption function and can effectively ensure burning quality.

A medical monitoring system includes: a plurality of biological information displaying devices connected to a network; and a portable terminal which can wirelessly communicate with the biological information displaying devices. The plurality of biological information displaying devices includes a first device and a second device. When a value of biological information is larger or smaller than a preset threshold, the first device transmits alarm information. In case where the first device transmits the alarm information, a receiving unit of the portable terminal receives the alarm information, and a transmitting unit of the portable terminal wirelessly transmits the received alarm information to the second device, and the second device receives the biological information through the network and the biological information is displayed on the second device.

The invention discloses a photoelectric composite cable connecting device. The photoelectric composite cable connecting device comprises: a power cable connector box for electrically connecting a first power cable and a second power cable; and an optical cable connector box for optically connecting a first optical cable and a second optical cable. The optical cable connector box is located outside the housing of the power cable connector box. Connector portions of the first optical cable and the second optical cable are separated from the first power cable and the second power cable respectively in the power cable connector box, and led to the outside from the inside of the power cable connector box for being connected with the optical cable connector box which is located outside the power cable connector box. Thus, compared with the prior art, according to the invention, the size of the power cable connector box does not need to be increased, the manufacturing cost can be reduced, and the interference of the connector portions of the power cables on the connector portions of the optical cables can be reduced, and the detection precision of the optical cables can be improved.

The invention provides a spray gun assembly and a spraying painting robot. The spray gun assembly is used for the spraying painting robot comprising a frame body. The spray gun assembly comprises a rotating assembly and a spray gun, wherein the rotating assembly is arranged on the frame body and comprises a first rotating structure and a second rotating structure, the first rotating structure is arranged on the frame body, the second rotating structure is arranged on the first rotating structure, and the rotating directions of the second rotating structure and the first rotating structure aredifferent; and the spray gun is arranged on the second rotating structure to rotate under the drive of the rotating assembly. Through the technical scheme, the spraying operation range is increased, the flexibility of spraying operation and the adaptability to the operation environment are enhanced, the dependence on labor is reduced, the spraying precision is improved, and the cost is reduced.

The purpose of the present invention is to provide a mixing head which mixes a plurality of flowing raw materials so as to discharge the same and has enhanced mixing performance so as to more effectively mix the plurality of flowing raw materials, and a discharge device for the same. The mixing head for mixing a plurality of raw materials which are separately supplied so as to discharge the same, according to the present invention, comprises: a mixing member for carrying out a first mixing of the raw materials; a discharge member communicating with the mixing chamber of the mixing member such that the raw materials are introduced into a discharge movement path; a rotation member having a penetrated movement path which functions as a part of the discharge movement path, and which rotates in the state that the central axial line of the penetrated movement path is relative to the central axial line of the discharge movement path such that the rotation member can be inclined at a predetermined angle so as to form a joining section in the discharge movement path; and a driver for driving the rotation member so as to rotate the rotation member.

A device for air-cooling electronic equipment, in which a suction opening (4) is provided on the housing (1), an outlet opening (5) is provided on the housing (1, 2), and a fan (6) generates a flow The air flow passing through the inside of the casing, and the air flow releases the heat generated by the heating element (9) to the outside of the casing. An air introduction plate inclined to change the direction of air flow is arranged at the suction opening (4), and a large number of protrusions are formed on the surface of the air introduction plate. An apparatus for air-cooling electronic equipment has an enhanced ability to cool heat-generating components without increasing the size of the apparatus, and in the apparatus, accumulation of dust on the heat-generating components can be prevented.

The invention provides a lead-core damping pot rubber bearing. The rubber bearing comprises a base pot transversely arranged, a rubber pad arranged in the base pot, a piston placed on the rubber pad and extending out of the base pot, and an upper bearing plate placed on the piston, wherein the piston is shaped like a Chinese character 'ao' with an opening facing upward, the upper bearing plate is inserted into the upward-facing opening of the piston and extends out of the piston, the upper bearing plate and the piston are fixed through a shear-resistant pin vertically arranged, a round seismic displacement trough is formed between the upper bearing plate and an internal lateral surface of the piston in a spaced mode, a torus rubber piece is clamped between an internal lateral wall of the base pot and the piston, a reserved cavity is formed between the upper bearing plate and the piston, the reserved cavity is internally provided with a lead-core damping rod which is vertically arranged, the top end of the lead-core damping rod is embedded in the upper bearing plate, the bottom end is embedded in the piston, and a circumferential deformation space is formed between the central part of the lead-core damping rod and the lateral walls of the reserved cavity. According to the rubber bearing, a damping component is arranged inside the bearing, the damping and energy-dissipation effects of the bearing are good, and the structure of the bearing is compact. The invention further provides a method of damping the rubber bearing of the lead-core damping pot.

The present invention relates to a junction box to be mounted on motor vehicle. The junction box has a casing assembly including an upper casing and a lower casing, a laminated unit including bus bars and insulation plates, and first and second printed circuit boards contained in the casing assembly. The first printed circuit board is used as a higher current circuit having thick-film conductors. The second printed circuit board is used as a middle or lower current circuit having thin-film conductors with thicknesses smaller than those of the thick-film conductors on the first printed circuit board. Board relays are mounted on a part of different peripheral portions on both sides of the first printed circuit board or a part of peripheral portion of either side of the first printed circuit board. The board relays are disposed in the casing assembly to be opposed to a first heat generating element containing space defined between a front side of the first printed circuit board and an inner surface of a top wall of the upper casing, and a second heat generating element containing space defined between a rear side of the first printed circuit board and an inner surface of a bottom wall of the lower casing.

The invention provides a spraying gun assembly and a spraying robot. The spraying gun assembly is used for the spraying robot including a frame, and comprises a rotating bracket, a rotating assembly and a spraying gun, wherein the rotating bracket comprises a fixed part and an extension part which are rotatably connected with each other, and the fixed part is connected with the frame; the rotatingassembly is arranged at the end, away from the fixed part, of the extension part; and the spraying gun is arranged on the rotating assembly to achieve rotation under driving of the rotating assembly,wherein when the extension part moves to the first position around a rotating shaft of the rotating bracket, the rotating assembly is close to the frame. According to the technical scheme, the scopeof spraying operation can be effectively expanded, the flexibility of spraying operation and the adaptability to the operation environment are enhanced, the dependence on labor is lowered, the accuracy of spraying is improved, the cost is lowered, and meanwhile, the volume of the spraying robot can further be decreased under the storage state, the space occupancy is reduced, and the possibility ofdamage caused by collision between the spraying assembly and external objects is reduced.

The invention provides a camera module comprising a housing, an ambient light sensor and a lens module; the housing comprises a top surface, a bottom surface opposite to the top surface, and a side face connecting the top surface with the bottom surface; the bottom surface is provided with a containing slot and the top surface is provided with a through hole connected with the containing slot; a welding seat is formed on a position, close to the side face, of the top surface of the housing through a laser direct formation technology; a first connector is formed on a position, close to the side face, of the bottom surface of the housing through a laser direct formation technology; a circuit connecting the welding seat with the first connector is formed on the side face; the ambient light sensor is welded on the welding seat; the lens module comprises a circuit board attached with the bottom surface and a lens arranged on the circuit board; the lens is contained in the containing slot and exposed outside the through hole; a second connector is formed and matched with the first connector, and welded with the first connector. The assembling of the camera module can be simplified; the invention also provides a making method of the camera module.

The invention discloses a display device and a manufacturing method of the display device, and belongs to the technical field of display. The display device comprises a display panel, gum and a hard ring, wherein the display panel is provided with a panel opening; the gum is located on one surface of the display panel and is provided with a gum opening; the hard ring is located in the gum opening;and the positive projection of the hard ring on the display panel is located in the panel opening. Through setting the hard ring in the gum opening of the gum, the positive projection of the hard ring on the display panel is located in the panel opening of the display panel. Compared with the gum opening, the hard ring has relatively high precision, so that the aligning precision between the gumopening and the display panel opening can be improved and the size of the display panel opening does not need to be increased. The problem that the display devices are relatively bad in display effectin correlation technique is solved. The display effect of the display device is improved.

The invention discloses a roll gap regulating mechanism. The roll gap regulating mechanism comprises a first roll shaft, a first shaft sleeve, a second roll shaft and a second shaft sleeve, and also comprises a first nut, a second nut and a screw which is in threaded fit with the first nut and the second nut at the same time; on the screw, threads matched with the first nut have opposite screwing directions with threads matched with the second nut; the first nut is hinged with the first shaft sleeve, or the first nut is hinged with a first transmission component which is fixedly matched with the first shaft sleeve; and the second nut is hinged with the second shaft sleeve, or the second nut and a second transmission component which is fixedly matched with the second shaft sleeve. In the roll gap regulating mechanism, the screw is arranged on the nuts, so that the mass of a box body is relatively light; the two nuts on the screw can move to the two ends or the middle part of the screw symmetrically and equidistantly by rotating the screw, and the screw drives the shaft sleeves to rotate so as to symmetrically regulate roll gaps of two rolls, so that the regulation is convenient; and the first nut and the second nut bear equal loads, so that the bearing performance is higher and the roll gap regulating mechanism has a longer service life.

The invention discloses a compact type high isolation MIMO antenna comprising a PCB board, a first antenna unit, a second antenna unit and a floor shared by the first antenna unit and the second antenna unit, wherein the first antenna unit and the second antenna unit are respectively arranged on two faces of the PCB board, the floor is placed on the PCB board, the first antenna unit comprises a first antenna and a first microstrip line connected with the first antenna, the second antenna unit comprises a second antenna and a second microstrip line connected with the second antenna, and arrangement positions of the first antenna and the second antenna form a polarization diversity and a directional diagram diversity. Therefore, the first antenna unit and the second antenna unit are respectively arranged on a front face and a back face of the PCB board, high isolation is realized via the first antenna unit and the second antenna unit through the polarization diversity and the directional diagram diversity, and isolation can be realized in a polarization direction and a radiation direction. Because isolation is realized by the antenna via the polarization diversity and the directional diagram diversity, increase of antenna dimension is not needed, and antenna size can be correspondingly reduced.

The invention relates to an air conditioner outdoor unit used for improving the efficiency of a condenser by utilizing condensate water atomization and cooling. The air conditioner outdoor unit comprises a fan center disc and an atomizing device. According to the air conditioner outdoor unit, the positions of the condenser and a fan are rearranged, the condenser is arranged close to an air outletside plate, the fan is arranged close to an air inlet side plate, one end of the fan is connected with an output shaft of a motor, and the other end of the fan is connected with the atomizing device through the fan center disc; the motor is arranged close to the air inlet side plate, and the atomizing device comprises a center disc connecting section and a condensate water atomizing section, wherein the center disc connecting section is in a hollow cylinder shape and is connected with the fan center disc; the condensate water atomizing section is in an arc-shaped cone shape, an atomizing device water inlet is formed in the side, far away from the fan, of the condensate water atomizing section, and the side wall of the condensate water atomizing section is provided with a plurality of atomizing holes parallel to the output shaft of the motor; and one end of a condensate water diversion pipe is inserted into the atomizing device water inlet. According to the outdoor unit, condensate water is reasonably utilized by virtue of centrifugal atomization, so that the heat dissipation efficiency of the condenser is improved.

A controller for a DC / DC converter is disclosed. Specifically disclosed is a controller which comprises a current sensor (24) which senses a current passing through a positive line (16h1) that connects a second common terminal (16k2), located downstream of first and second windings (16e1), (16e2) of a magnetic offset transformer (16e), and a positive terminal (16b1) of a high-voltage-side port (16b). On the basis of the current sensed by the current sensor (24), the controller controls the operations of first and second switching elements (16f1), (16f2) connected with the respective windings. This allows the controller to accurately sense currents passing through the respective windings (16e1), (16e2) without an increase in the size of the transformer (16e), and to appropriately control the operations of the switching elements (16f1), (16f2) on the basis of the sensed currents.

The invention discloses an underwater integrated type system for vertical pipe production and conveying and a mounting method thereof. The system comprises a vertical pipe production assembly, a vertical pipe control assembly, a combination pontoon and a mooring device. The combination pontoon comprises an outer-layer pontoon body and inner-layer pontoon bodies, and the inner-layer pontoon bodies are embedded into the outer-layer pontoon body in a sleeved mode. The outer-layer pontoon body is responsible for supplying cable mooring tensile force, and all the inner-layer pontoon bodies are each responsible for supplying top tensile force to a single corresponding rigid production vertical pipe or rigid protection pipe, so that vertical stress and motion decoupling of the mooring device and all the vertical pipes are achieved, stress and motion decoupling between all the vertical pipes are also improved, and the requirement of in-place performance of the rigid production vertical pipes is improved. According to the underwater integrated type system for vertical pipe production and conveying and the mounting method thereof, a lower-section pipe cable of a flexible control pipe cable is uniformly integrated and assembled in the rigid protection pipe, and thus the problem of complex galloping damage is avoided; and the inner-layer pontoon bodies can freely rise and fall along the outer-layer pontoon body, and thus the thermal expansion requirement of the rigid production vertical pipes is met.

Provided are a loudspeaker used for a damper, and a loudspeaker device with the damper. The size of the damper in the sound production direction needs not to be increased. A vibration side mounting portion and a fixing side mounting portion can stretch out and draw back and are arranged in a narrow space without disturbing vibration of a vibration plate, and the loudspeaker is easy to manufacture and is low in cost. The loudspeaker can support a vibration transmission component to allow the component to vibrate in the sound production direction. The vibration transmission component transmits vibration of a drive component linked with a magnetic circuit to the vibration plate, so that the loudspeaker is flat under an initial state with no external force. The loudspeaker comprises a vibration side mounting portion arranged on the vibration transmission component; a fixing side mounting portion arranged in a basket body used for fixing a magnetic circuit; and a pair of connecting portions connecting the vibration side mounting portion with the fixing side mounting portion. The connecting portions are respectively connected at two positions of the vibration side mounting portion, an end portion of each connecting portion, conencted with the vibration side mounting portion, and an end portion of each connecting portion, connected with the fixing side mounting portion, clamp a long shaft that passes through the center of the vibration side mounting portion and extends along the length direction of the vibration plate, and the two end portions are opposite to each other.

The invention relates to a tailor processing method of a clothing material. The clothing material is laid flat, so that certain inclination is formed between the direction of warp yarns or weft yarns of the clothing material and the horizon line, wherein when the included angle between the direction of the warp or weft yarns and the horizontal line is about 45 degrees, the position is relatively good; and in the case that the density and texture of the warp and weft yarns are same, when the included angles between the warp yarns and horizontal line and between the weft yarns and the horizontal line are both 45 degrees, the position is best, and drawing and tailor can be performed. After the clothing tailored by adopting the method is worn, the weight of the clothing is not solely supported by the warp or weft yarns, but supported by the warp and weft yarns together, which greatly improves the supporting performance of the clothing material. When the clothing is subjected to external tension to stretch longitudinally, the length of the clothing increases, and the clothing contracts laterally; and contrarily, the width increases and the clothing contracts longitudinally. Under different tension conditions, the clothing can flexibly stretch and contract in length and width flexibly, and no mater whether the clothing material contains elastic fibers, the elasticity, tenacity and drapability of the clothing can automatically increase. The clothing can adapt to stretch bending change of a human body, is more fit to the body, and the comfort degree is obviously improved.

The present invention relates to a molded transformer provided with a fire extinguishing device. According to the present invention, a lower frame (14) is positioned on a base (10), and an upper frame (20) is supported by the lower frame (14) and provided at the upper part of the lower frame (14). The lower frame (14) and the upper frame (20) are connected by a tie rod (28), and a steel core (30) is supported by the lower frame (14), the upper frame (20) and the tie rod (28). Secondary coils (38) are provided to surround the steel core (30), and primary coils (34) are provided to allow the secondary coils (38) to penetrate the inside thereof. A case (50) is provided at one end part of the lower frame (14), and fluid containers (52) are provided in an area partitioned by the case (50). A section of a pipe (54) connected with the fluid containers (52) extends along the upper frame (20). A nozzle (56) is provided at the pipe (54) for spraying fluid between the primary coil (34) and the secondary coil (38) or between the outer surfaces of the primary coils (34). According to the present invention, since a fire-extinguishing fluid is directly sprayed at the primary coils (34) and the secondary coils (38) at which a fire can occur, a fire-extinguishing operation can be performed more rapidly.

The invention provides a method for forming a thin film solar cell with buffer-free fabrication process, particularly a thin film solar cell and process for forming the same. The solar cell includes a bottom electrode layer, a light absorbing semiconductor layer, and top electrode layer. The absorber layer includes a p-type interior region and an n-type exterior region formed around the perimeter of the layer from a modified native portion of the p-type interior region, thereby forming an active n-p junction that is an intrinsic part of the absorber layer. The top electrode layer is electrically connected to the bottom electrode layer via a scribe line formed in the absorber layer that defines sidewalls. The n-type exterior region of the absorber layer extends along both the horizontal top of the absorber layer, and onto the vertical sidewalls of the scribe line to increase the area of available n-p junction in the solar cell thereby improving solar conversion efficiency.

An electronic-device housing assembly comprises a housing and a fixed mount used for fixing a display module to the housing. The fixed mount is detachably installed on the housing. The fixed mount contains a bottom frame, a side frame arranged on the periphery of the bottom frame, a mounting plate and a mounting block. The mounting plate is disposed on the side frame. The mounting block is slidingly installed on the mounting plate and positioned between the mounting plate and the display module to cooperate with the mounting plate and the bottom frame so as to clamp the display module and lock the display module on the housing.

A vehicle radar apparatus and a method of controlling the vehicle radar apparatus are disclosed. The vehicle radar apparatus comprises a transmission array antenna that radiates a radar signal for forward detection; a reception array antenna that operates at N (N is an integer greater than zero) reception channels for receiving the radar signal that is radiated by the transmission array antenna, reflects from a target, and returns; an azimuth angle estimation unit that estimates an azimuth angle of the target using each non-offset reception channel of the N reception channels; and an elevation angle estimation unit that estimates an elevation angle of the target in a diagonal direction in which each non-offset channel of the N reception channels is tilted with respect to an azimuth angle of an offset reception channel thereof.