52results about How to "Achieve miniaturization" patented technology

This disclosure provides a semiconductor structure and a method for manufacturing the same. By exposing a portion of the first active component in the first bottom dielectric layer, the thickness of the first bottom dielectric layer is reduced. This allows other electronic components to be stacked on the first bottom dielectric layer in this manner, thereby reducing the overall thickness of the semiconductor structure and achieving miniaturization and thinning of semiconductor packaged products.

The utility model provides a zero live wire power isolation circuit and double manganese copper measurement equipment relates to power isolation field. This zero live wire power isolation circuit includes current doubling circuit, first rectifier circuit and second rectifier circuit, and current doubling circuit first input end connects GND, second input end connects UN, first output end connects the input end of first rectifier circuit, second output end connects the input end of second rectifier circuit, and current doubling circuit is used for isolating first output end and second output end, the output end of first rectifier circuit connects VBB, the output end of second rectifier circuit connects MHVDD, and first rectifier circuit and second rectifier circuit are used for voltage reduction. The utility model provides zero live wire power isolation circuit design is compact, and simultaneously uses conventional electrical component, and production cost is low.

The utility model relates to lathe technical field provides a good micro - numerical control lathe of chip removal, solve the problem that lathe horizontal work surface falls the chip not easy clearance and the chip falls into the guide rail and influences the problem of tool rest feed. Scheme, the work surface of bed body is inclined surface, the lathe still includes: X axle assembly, include: a) X axle bottom plate, set up on the work surface of bed body, have X axle guide rail on it, b) workbench, slide connection in X axle guide rail, its upper portion is fixed with tool rest, c) first linear drive assembly, drive workbench and move along X axle direction, d) X axle protection assembly, install in workbench X axle direction both ends, protect X axle guide rail, Z axle assembly, include: a) Z axle guide rail, set up in the work surface of bed body, X axle bottom plate bottom slide connection in Z axle guide rail, b) second linear drive assembly, drive X axle bottom plate and move along Z axle direction, c) Z axle protection assembly, install in X axle bottom plate Z axle direction both ends, be used for protecting Z axle guide rail.

The embodiment of the present application provides a motor, a power assembly and a vehicle. The motor comprises: a shell assembly, a cooling cavity for cooling oil flow being arranged in the shell assembly, the shell assembly being provided with an oil inlet and an oil outlet communicating with the cooling cavity; a stator assembly, at least part of the stator assembly being arranged in the cooling cavity, so that the stator assembly can be at least partially immersed in the cooling oil; and a rotor assembly, rotatably sleeved on the inner side of the stator assembly. In the scheme, at least part of the stator assembly can be immersed in the cooling oil in the cooling cavity and directly contact with the cooling oil, so that the contact type oil cooling is realized. In this way, the cooling oil can be in full contact with the stator assembly under the hydraulic action as much as possible, so that the stator assembly and the cooling oil can have a relatively large contact area, the heat dissipation area of the stator assembly is improved, and the flowing cooling oil can timely take away the heat of the stator assembly, so that the heat dissipation efficiency of the motor can be greatly improved compared with the oil shower type cooling scheme.

The invention provides a lateral buckling detection device for a steel belt of a flexible connecting piece and a detection method of the lateral buckling detection device, and relates to the technical field of lateral buckling detection of steel belts. The steel belt is wound on the outer wall of the inner cylinder and limited in the annular space between the inner cylinder and the outer cylinder, the first end of the steel belt is fixed to the bottom plate, the second end of the steel belt is fixed to the driving assembly, and the driving assembly enables the steel belt to bend laterally; the monitoring assembly is used for acquiring first image information, second image information, first data information and second data information of the steel belt in real time, and the calculation unit is used for determining the buckling form of the steel belt according to the first image information and the second image information and determining the buckling critical load of the steel belt according to the first data information and the second data information. According to the technical scheme, the lateral buckling behavior of the steel belt can be accurately reproduced, miniaturization and precision of the detection device are achieved, and a visual whole-process dynamic monitoring means is provided for revealing the lateral buckling evolution mechanism of the steel belt in the limited space.

The utility model provides a kind of integrated double independent air duct refrigeration system, including box, evaporator, condenser;The evaporator and condenser are respectively installed in the two sides of box, the box on the outside of evaporator is opened outdoor air inlet, outside air enters the air duct where evaporator by outdoor air inlet, air duct is equipped with air supply fan, air supply fan pushes air to flow through evaporator;Air is sent into refrigeration area after heat exchange with evaporator;Another side of box is equipped with corresponding outdoor air inlet close to condenser, indoor air outlet is equipped opposite outdoor air inlet, outdoor air enters the air duct where condenser by outdoor air inlet, air duct is configured and installs exhaust fan, exhaust fan will wind flow flow through condenser, condenser releases heat, exhaust fan will absorb heat after hot air discharge outdoor.This new double independent air duct design avoids hot and cold air mixing, evaporator and condenser can efficiently carry out heat exchange in relatively independent airflow environment.

A compact-structure pin assembly with a plugging position retracted comprises a support arranged in a conversion socket and a pin unit connected to the support in a sliding mode, the pin unit comprises at least a first pin assembly, a second pin assembly and a third pin assembly which are arranged side by side, and the support comprises a bottom plate. The support is further provided with two pieces of conductive hardware corresponding to the L pole and the N pole respectively. Each of the first pin assembly, the second pin assembly and the third pin assembly comprises a sliding part, a pin and a plug connector, and the conductive hardware is further provided with a plug-in position in mutual plug-in connection with the plug connector; and the plugging positions are positioned in the orthographic projection range of the two sliding parts at the two ends of the pin unit towards the bottom plate. According to the technical scheme, the overall size of the conversion socket can be effectively reduced, and the conversion socket can be miniaturized and portable.

This application discloses a vertical canned motor pump, belonging to the field of fluid machinery technology. A pump inlet is located at the bottom of the casing, and a pump outlet is located on its side wall. A gland is located at the top of the casing, and an exhaust pipe is provided on the gland. An impeller is located inside the casing and near the pump inlet. A drive unit is located inside the casing. A through shaft passes through the drive unit and drives its rotation. The impeller is fixed to the through shaft, which has an axially extending central hole that communicates with the exhaust pipe. A first bearing assembly and a second bearing assembly are respectively located on opposite axial sides of the drive unit. The first bearing assembly has an exhaust structure. This application reduces the axial dimension and weight of the pump unit by integrating the radial bearing and thrust bearing. Simultaneously, by providing an exhaust structure, the gas accumulated inside the first bearing assembly is discharged in an orderly manner, effectively suppressing vibration and improving acoustic performance.

The utility model discloses a horn installation structure and an electronic device, the horn installation structure comprises a housing, the housing is provided with an installation groove, the groove bottom of the installation groove is provided with a sound outlet hole and a waterproof strip, the sound outlet hole penetrates through the groove bottom of the installation groove, the waterproof strip is arranged along the outer side of the sound outlet hole for a circle, and the waterproof strip is arranged on the outer side of the installation groove. The waterproof strip and the shell are integrally formed; and the loudspeaker is adaptively arranged in the mounting groove, the loudspeaker is provided with a clamping piece, a clamping part is arranged at a corresponding position of the shell, and when the clamping piece is adaptively clamped with the clamping part, the loudspeaker extrudes the waterproof strip, so that the loudspeaker is hermetically connected with the groove bottom of the mounting groove. According to the utility model, the required space is small, the waterproof effect is good, the assembly is simple, and the first pass yield of the production process is improved.

The embodiment of the present application discloses an antenna and a broadband matching network, the broadband matching network comprises: a passive impedance matching circuit and a non-Foster impedance matching circuit. The passive impedance matching circuit has a first port and a second port; the second port is connected with a coaxial port. The non-Foster impedance matching circuit has an input end and an output end; the input end is connected with the first port, and the output end is connected with a feed end of the antenna. The passive impedance matching circuit comprises at least one capacitor and at least one inductor which are connected with each other; and the non-Foster impedance matching circuit comprises at least one transistor and at least one capacitor, inductor or resistor which are connected with each other. The antenna of the embodiment of the present application realizes impedance matching between a coaxial cable and the feed end of the antenna by using the broadband matching network, realizes the broadband design of the antenna, and provides convenience for the miniaturization of the antenna.

The embodiment of the application discloses a low-profile small-size wideband omnidirectional vertical polarization slot antenna, which comprises a dielectric plate arranged on the top of a metal radiator and in contact with the metal radiator, the metal radiator is in contact with the metal layer of the dielectric plate, the side wall of the metal radiator is provided with a slot, and an omnidirectional vertical polarization radiation mode is formed through equivalent magnetic current radiation of the slot; the metal feeding probe comprises an inner conductor and an outer conductor in a coaxial structure; a circular truncated cone-shaped metal cavity is formed in the metal shell, the inner conductor is connected with the bottom of the metal shell, the antenna radiator is arranged in the metal cavity, the outer conductor penetrates through the metal radiator, and the top end is in abutting contact with the metal layer of the dielectric plate and is fixedly connected through the assembly surface of the dielectric plate and the circular truncated cone-shaped shell to form a radome. The technical scheme provided by the embodiment of the application solves the problem that the existing omnidirectional antenna form is relatively complex in structure and it is difficult to realize more functions in one structure.

The application provides a D-band one-dimensional DBF-AIP microsystem architecture, comprising a quartz substrate, an on-chip antenna arranged on the upper surface of the quartz substrate, an RFIC chip arranged on the lower surface of the quartz substrate, a microwave board arranged below the quartz substrate, and BGA solder balls for connecting the quartz substrate and the microwave board. The D-band one-dimensional DBF-AIP microsystem architecture provided by the application maximally shortens the signal transmission distance, reduces the parasitic parameters, and obtains better performance, and meanwhile, the D-band one-dimensional DBF-AIP microsystem architecture is small in size, light in weight, and suitable for large-scale integration.

A direct drive type driver has a ball screw device having a screw, a nut, and a plurality of balls, a piston installed to one end of the screw, and a stroke limiting mechanism that sets a work start time in a first direction in which the screw is directed to the one end. The nut has an end surface facing the first direction and a protruding portion protruding from the end surface. The piston has an opposite surface facing a second direction opposite to the first direction and opposite to the end surface, an avoidance groove portion recessed from the opposite surface in the first direction and extending in a rotation direction with the screw as a center, and a step surface disposed at an end portion of the avoidance groove portion in one direction in the rotation direction among wall surfaces surrounding the avoidance groove portion and facing the other direction in the rotation direction. The protruding portion and the step surface abut to constitute the stroke limiting mechanism.

The utility model discloses an antenna and central control equipment, the antenna includes flexible printed circuit board and four PIFA radiation branch, four PIFA radiation branch is centrally symmetric distribution setting in the four sides of flexible printed circuit board, and PIFA radiation branch includes antenna arm and connecting arm, and the antenna arm includes the multiple vertical rising section and multiple horizontal extension section that form square wave waveform structure alternately in proper order, and the first end of connecting arm is connected with the horizontal extension section of the first end of square wave waveform structure, and the second end of connecting arm extends to the middle of four PIFA radiation branch. The antenna through setting radiation branch on flexible printed circuit board makes antenna can reduce the thickness and volume of overall antenna through the flexibility and light and thin nature of flexible printed circuit board, and it is easier to adapt to different installation space, realizes miniaturization and integration demand while improving positioning accuracy.

The invention provides an electric automobile power battery EIS detection device and method in the technical field of electric automobile power battery detection. The device comprises a main control module, a charging module, a battery module, a switching power supply module, an EIS detection module, an insulation detection module, a switch K1 and a switch K2. The charging module, the battery module, the switching power supply module, the main control module and the EIS detection module are connected in sequence; the detection end positive electrode of the insulation detection module is connected with one end of the switch K1 and the detection end positive electrode of the EIS detection module, the detection end negative electrode is connected with one end of the switch K2 and the detection end negative electrode of the EIS detection module, and the control end is connected with the main control module. The method has the advantages that the detection convenience, the field applicability and the equipment integration degree are greatly improved.

The application relates to a vehicle-mounted massage system, which solves the problem that a large weight and a large volume of an existing mechanical massage device affect the arrangement of a seat skin by installing a plurality of lightweight vibration exciters on a mounting structure of a seat support main body, realizes miniaturization and integration convenience of the system, overcomes the defect of response delay of a traditional air bag type massage by using the quick response characteristics of the vibration exciters, and can realize diversified modes such as knocking massage which cannot be provided by an existing technical scheme by accurately controlling the waveform of a driving signal of the vibration exciters, so that the depth and comfort of a massage experience are improved.

The utility model relates to a knob assembly for cooking equipment. The utility model discloses a base (110) that drive shaft (71) passes through. The utility model has the knob main part (NB) that rotates with the above-mentioned drive shaft (71) as the center and moves linearly with the axial direction of the above-mentioned drive shaft (71). The knob main part (NB) has a locking button (140) with an operating part (143) exposed to the outside. At this time, the locking button (140) has a first position that is restricted from moving axially by the base (110) and a second position that can move axially. Therefore, the user can only press the locking button (140) first, then press the knob main part (NB) axially to make the cooking equipment work, so that the knob assembly can be prevented from being operated or malfunctioning by the locking button (140).

The application relates to the fields of rotary body machining die design and die technology, and discloses a die design method and a die for rapid forming of small composite rotary bodies, the design method comprising defining structural parameters of the die, including fixed parameters and variable parameters; modeling based on the structural parameters, and performing mechanical and thermal collaborative finite element analysis; taking the variable parameters as optimization variables, combining the data obtained through the finite element analysis, and determining optimal variable parameters of the die for rapid forming of small composite rotary bodies. The die is a coaxially nested tile valve structure, comprising a center core column, an inner valve and an outer valve from inside to outside. The application realizes miniaturization and light weight of the die while taking into account mechanical transmission performance and thermal response efficiency, can quickly find an optimal die parameter combination through an efficient parameter optimization strategy, and improves forming efficiency and product quality.

The invention provides a variable magnification imaging optical system, which realizes miniaturization and light weight, suppresses magnification chromatic aberration and axial chromatic aberration during magnification change, can realize high speed during focusing, and has good optical performance from infinity to extremely near in the whole zoom area. A variable magnification imaging optical system according to the present invention comprises, in order from the object side, a first lens group (G1) having a positive refractive power, a second lens group (G2) having a positive refractive power, a third lens group (G3) having a negative refractive power, an intermediate group (GM) comprising one or more lens groups and an aperture stop (S), a focusing group (GF), and a subsequent group (GR) comprising one lens group. The distance between adjacent lens groups varies during zooming, and the focusing group (GF) moves along the optical axis when focusing from an object at infinity to an object at a close distance.

This invention relates to a compact spring return actuator, and more particularly to an actuator for emergency reset of a valve in the event of an emergency such as a power outage. The actuator is equipped with differential planetary gear reducers in both the drive shaft (operated by a motor) and the working shaft (operated by an elastic body of the emergency reset assembly), and these differential planetary gear reducers are meshed together. This duality allows the power transmission of the motor and the elastic body to be independent of each other, thereby reducing motor capacity and miniaturizing the components of the power transmission system. Ultimately, this results in a compact spring return actuator that is lightweight and miniaturized as a whole. To achieve the objectives described above, the compact spring return actuator of the present invention is characterized by comprising: a drive shaft that receives power from a motor and rotates; a driven shaft that rotates by means of the drive shaft and opens and closes a valve; a reduction assembly that reduces the rotational force transmitted to the driven shaft, including a differential planetary gear reducer mounted on the drive shaft; and an emergency reset assembly equipped with an elastomer and a working shaft that converts the elastic force of the elastomer into a rotational force for transmission and engagement with the differential planetary gear reducer, for rotating and resetting the valve when the power is disconnected.

The utility model provides a connecting piece, a connecting structure and electronic equipment, the connecting piece comprises a supporting plate, a first elastic part and a second elastic part, the first elastic part extends out from the end face of the supporting part, the first elastic part is provided with a first clamping hook, and the first clamping hook is configured to be capable of driving the first elastic part to elastically deform; the second elastic part extends out from the side surface of the supporting part, the second elastic part is provided with a second clamping hook, and the second clamping hook is configured to be capable of driving the second elastic part to elastically deform; wherein the center line of the first elastic part and the center line of the second elastic part meet a vertical condition. According to the connecting piece, the connecting structure and the electronic equipment, the structural space is effectively saved, and more possibilities are provided for layout of other parts in the electronic equipment; as the connecting piece is connected without using a screw and a gasket, the production cost is greatly reduced; the screw locking operation is not needed, the labor cost can be saved, meanwhile, the assembling procedures are reduced, and the production efficiency is improved.

This invention discloses an active omnidirectional magnetic antenna differential receiver and its design method for long-wave positioning, navigation, and timing. The device includes a long magnetic core and two short magnetic cores, with the two short cores located on either side of the long core. The three cores are arranged in a cross shape. A set of receiving coils is wound around each end of the long core, and a set of receiving coils is wound around each of the two short cores. The leads of all four sets of receiving coils are connected to the common ground of the circuit board. Furthermore, the four sets of receiving coils are electrically connected to an amplifier circuit. The receiver disclosed in this invention achieves omnidirectionality and miniaturization of the magnetic antenna, improving anti-interference capability. It also has strong generalization ability, utilizing the tuning function of the amplifier circuit to be applicable to the reception and amplification of long-wave signals of different frequencies.

The invention relates to the technical field of micro display, and discloses a display panel and a display device.The display panel comprises light-emitting units arranged in an array, and each light-emitting unit comprises light-emitting areas of different colors and pixel definition structures arranged between the adjacent light-emitting areas; the first anti-reflection layer is arranged on one side, far away from the substrate, of the pixel definition structure; the lens layer is arranged on the side, away from the substrate, of the light-emitting unit, and the lens layer comprises micro lens structures in one-to-one correspondence with the light-emitting areas; and the second anti-reflection layer is arranged between any two adjacent micro lens structures. According to the invention, the first anti-reflection layer, the second anti-reflection layer and the third anti-reflection layer form a multi-stage anti-reflection path which works cooperatively, so that environmental stray light which enters from different angles can be absorbed and reduced layer by layer.

The humidification filter screen comprises a plurality of filter screen units, the filter screen units are sequentially arranged around the vertical center line of the humidification filter screen; wherein the multiple filter screen units are arranged in a protruding mode relative to the vertical center line of the humidifying filter screen, the cross section of each filter screen unit is in an arc shape, and the vertical center line of each filter screen unit does not coincide with the vertical center line of the humidifying filter screen; or the cross sections of the plurality of filter screen units are rectangular; each supporting part is arranged between the corresponding two adjacent filter screen units, and the supporting parts are used for limiting the filter screen units in the state that the cross sections are arc-shaped or rectangular. According to the humidification filter screen, the filter screen units are structurally optimized, meanwhile, the form that the supporting parts fix the filter screen units is added, the effective air inlet area of the filter screen is remarkably increased, the humidification performance is improved, meanwhile, miniaturization and attractiveness of the humidification filter screen are achieved, excessive space is not occupied, and miniaturization design of a humidifier is better facilitated.

The utility model discloses the outer rotor brushless motor of drive board built -in in the hole of stator core, relates to motor design field, including bottom and rotating lid, the rotating lid is fixedly installed with permanent magnet ring in, the middle portion of bottom is shaped with round hole, and the fixedly installed with location support in round hole, and the middle portion of location support is shaped with rotating hole, and the middle portion fixed mounting of rotating lid in -side has the shaft, and the shaft rotation cooperation installs in rotating hole, the drive board is fixedly installed on location support, and the iron core is installed with the sleeve setting on location support, and the drive board sets up in the inboard of iron core, and the iron core clearance fit installs in permanent magnet ring, the utility model discloses the drive board built -in in the iron core of stator, can exclude the occupation height of drive board, and then make the whole brushless motor more short, can be convenient for installation and use, realize the miniaturization of brushless motor product, when soaking in water, can not directly soak to drive board, can therefore have better waterproof performance.

The utility model relates to the technical field of reconnaissance, in particular to a portable shearing instrument which comprises a supporting component, a shearing component and a torque sensor, the supporting component comprises a plurality of supporting legs, the supporting legs are obliquely arranged outwards, and the included angle between each supporting leg and the vertical direction is 8-20 degrees; the shearing component is rotationally connected to the supporting component, the shearing component comprises 6-8 shearing plates, and the shearing plates are arranged in a radial shape along the center line of the supporting component; and the torque sensor is used for collecting the torque of the shearing component. According to the device, the thickness of the shear plate can be effectively reduced on the premise that the bearing torque is not reduced, so that disturbance generated when the shear plate is inserted into a soil body is reduced, the shear plate can be perpendicularly cut into the soil body, meanwhile, the influence on a measurement result during torsion is reduced, and the measurement result is more accurate. In addition, due to the fact that the shear apparatus is easier to cut into a soil body, the size and the weight of the shear apparatus can be reduced, the portability of the apparatus is improved, and meanwhile the testing accuracy is improved.

This application provides a 3D display system and device, relating to the field of display technology. An image source provides a light beam; a first quarter-wave plate controls the polarization direction; a 3D imaging grating assembly separates the parallax beam; a semi-transparent, semi-reflective assembly splits the beam through reflection and folds the optical path; and a second quarter-wave plate, in conjunction with a polarization reflection assembly, folds the beam back and calibrates the polarization direction. Finally, the beams corresponding to the left and right eyes are incident on the human eye, forming a 3D image. The optical components in each 3D display system are arranged along the output direction of the image source's optical axis, forming a flat, stacked optical structure. This facilitates multiple folds and propagations of the beam in the optical path before it reaches the human eye to complete the image, effectively improving the clarity, stability, and overall image quality. The first and second quarter-wave plates effectively isolate stray light directly emitted from the image source and invalid beams in the optical path that have not undergone polarization direction conversion, preventing stray light from interfering with the clarity of the image.

An integrated oil pressure sensor, comprising a mounting shell, a first power pin and a second power pin, the front surface of the mounting shell is provided with a concave cavity, a circuit board is installed in the concave cavity, the back surface of the mounting shell is provided with a plug, the plug is provided with a mounting hole, the mounting hole is communicated with the concave cavity, a sensor is installed in the mounting hole, the front side surface of the mounting shell is provided with a connector, one end of the first power pin and the second power pin extends into the connector, the other end of the first power pin and the second power pin extends into the concave cavity and forms a connection through a fuse safety resistor, the first power pin is further provided with a first pin in parallel, and the first pin is vertically arranged in the concave cavity. The utility model has overload protection function, reasonable structure design, is also convenient for maintenance replacement, and greatly reduces maintenance use cost.

The present application relates to the technical field of spectral detection equipment, and provides a linear array spectrum integrated assembly and a preparation method thereof, which comprises: a microlens array layer, a linear gradient filter layer, a detector layer, a signal processing layer and a frame arranged in sequence along incident light; the signal processing layer is fixed to the frame, and the microlens array layer is arranged on the side of the linear gradient filter layer away from the detector layer; the microlens array layer is used for converging incident light; the linear gradient filter layer is used for linearly splitting the converged incident light in the 900nm-1700nm band; the detector layer is used for converting the split light signal into an electrical signal; the signal processing layer is used for receiving the electrical signal and real-time preprocessing spectral data; and the frame is used for supporting and mounting the signal processing layer, the detector layer, the linear gradient filter layer and the microlens array layer, so as to realize an integrated packaging structure. The present application realizes miniaturization and high stability of 900nm-1700nm band spectral detection.

This invention provides an end-fire Vivaldi filter antenna with independently controllable cutoff frequency based on an equivalent artificial surface plasmon polariton (ESP). It comprises a dielectric substrate, with a top layer and a bottom layer formed on the upper and lower surfaces of the substrate, respectively. The bottom layer has a ground metal layer. An ESP bandpass filter based on a hybrid substrate integrated waveguide structure is embedded in the middle of the substrate. The top layer has a first microstrip line, a second microstrip line, and a first Vivaldi antenna. One end of the first microstrip line serves as the antenna feed port and is connected to the ground metal layer via a microwave high-frequency connector. The other end of the first microstrip line is connected to the first Vivaldi antenna sequentially via the second microstrip line and the ESP bandpass filter based on the hybrid substrate integrated waveguide structure. This invention enables independent control of the passband cutoff frequency and out-of-band cutoff frequency, exhibiting independently controllable bandwidth, stable stopband, and deep out-of-band suppression capabilities.