33results about How to "Achieving Miniaturized Design" patented technology

An intelligent elevator controlling method and device based on distributed multi-channel CAN bus is disclosed. Said device is composed of a cluster operating controller, single-elevator controllers communiated with said cluster operating controller via CAN bus, and the cage controllers, floor calling controllers, LCD controllers and speech floor reporting controllers respectively for each of elevators. Its control method is also disclosed.

The invention provides a bar code recognizing, reading and decoding module and a handheld electronic device. The bar code recognizing, reading and decoding module comprises a first circuit board, a reflecting mirror, a lens module and a support, wherein the first circuit board comprises a bar code processing chip and an image sensing chip, the bar code processing chip and the image sensing chip are located at different sides of the first circuit board, the image sensing chip is a complementary metal oxide semiconductor chip and used for acquiring an image, and the bar code processing chip is used for decoding a bar code of the image; the lens module comprises a lens group and a mechanism element, the lens group is used for guiding incident light to the reflecting mirror, and the mechanism element comprises a thread for adjusting focal length; the reflecting mirror is used for reflecting the incident light to the image sensing chip vertically; and the support is used for bearing the first circuit board, the reflecting mirror and the lens module. Compared with the prior art, the bar code recognizing, reading and decoding module and the handheld electronic device have the beneficial effects of small size, low power consumption, fewer devices and low cost.

The invention discloses a portable contourgraph and a contour scanning microscope and system. The contourgraph comprises a triaxial piezoelectric ceramic scanning tube which is composed of X-direction, Y-direction and Z-direction piezoelectric ceramic drivers. Each piezoelectric ceramic driver comprises a flexible amplification mechanism and piezoelectric ceramics. The flexible amplification mechanism is provided with a fixed end and a moving end and is set in a way that the moving end is enabled to produce linear displacement for amplifying the deformation of the piezoelectric ceramics. The X-direction, Y-direction and Z-direction piezoelectric ceramic drivers and a capacitance differential sensor are connected in series in turn, and the X-direction, Y-direction and Z-direction piezoelectric ceramic drivers are arranged on the position enabling the corresponding moving ends to produce linear displacement along the X, Y and Z directions. The capacitance differential sensor comprises atarget member, a probe and two sensing members. The probe is fixedly connected with the target member along the Z direction. Each of the two sensing members and the target member form a unipolar capacitor. The contourgraph has the advantages of small size, low cost and high resolution.

The invention discloses a microbiological intelligent structured optical 3D image module integrated system and a preparation method. The system comprises an infrared laser transmitting module, an infrared receiving module, a color camera module, a lower cover plate and an upper cover plate; the infrared laser transmitting module comprises a first carrying circuit board, a crystal element type infrared laser transmitting chip, a first support frame, a collimating lens and an optical diffraction device; the infrared receiving module comprises a second carrying circuit board, a black and white image sensor, an optical filter, a second support frame and an optical lens; corresponding limiting grooves are formed in the lower cover plate, and corresponding through holes are formed in the upper cover plate. The microbiological intelligent structured optical 3D image module integrated system and the preparation method disclosed by the invention have the benefits that the problem of miniaturization of the microbiological intelligent structured optical 3D image module integrated system is solved, so that the structure of the system is more compact; through a 3D structured light technology, object image depth information can be more accurately obtained, so that the recognition accuracy is greatly improved; the system is simple in design and convenient and quick to assemble and can greatlyimprove the production efficiency and reduce the cost.

The invention discloses an artificial microstructure construction method and an optical system comprising an artificial microstructure. The method comprises the following steps: S10, determining the phase of to-be-generated partially coherent light at each cellular position of a corresponding artificial microstructure area according to the coherence of the to-be-generated partially coherent light;S20, calculating a rotation angle of the nano cells arranged at each cell position; S30, arranging the nano cells with different rotation angles at corresponding cell positions, and constructing theartificial microstructure for realizing light beam coherence regulation. According to the invention, a focused light beam is incident to the surface of the constructed artificial microstructure, and the incident area of the artificial microstructure is selected as required, so the partially coherent light beam with the corresponding coherence degree can be obtained.

The invention discloses a portable contourgraph and a contour scanning microscope and system. The contourgraph comprises a triaxial piezoelectric ceramic scanning tube which is composed of X-direction, Y-direction and Z-direction piezoelectric ceramic drivers. Each piezoelectric ceramic driver comprises a flexible amplification mechanism and piezoelectric ceramics. The flexible amplification mechanism is provided with a fixed end and a moving end and is set in a way that the moving end is enabled to produce linear displacement for amplifying the deformation of the piezoelectric ceramics. The X-direction, Y-direction and Z-direction piezoelectric ceramic drivers and a capacitance differential sensor are connected in series in turn, and the X-direction, Y-direction and Z-direction piezoelectric ceramic drivers are arranged on the position enabling the corresponding moving ends to produce linear displacement along the X, Y and Z directions. The capacitance differential sensor comprises atarget member, a probe and two sensing members. The probe is fixedly connected with the target member along the Z direction. Each of the two sensing members and the target member form a unipolar capacitor. The contourgraph has the advantages of small size, low cost and high resolution.

The invention belongs to the technical field of ultrasonic imaging, and particularly relates to a miniature array ultrasonic transducer and a preparation method thereof, and an ultrasonic probe including the miniature array ultrasonic transducer. The miniature array ultrasonic transducer provided by the invention comprises a flexible circuit board, a piezoelectric wafer and a sound matching layerwhich are sequentially arranged in a stacked manner, wherein first piezoelectric electrodes and piezoelectric columns of the piezoelectric wafer form a plurality of linetype array elements, and any part of each array element can participate in work, so that the performance of each array element in the length direction can be developed to the maximum extent, and further the performance of the miniature array ultrasonic transducer is increased; and a second piezoelectric electrode of the piezoelectric wafer extends from a piezoelectric material layer to the same side as the first piezoelectric electrodes, and a connecting line does not need to be separately introduced, so that the dimension of the miniature array ultrasonic transducer in the thickness direction can be reduced, and miniaturization of the ultrasonic transducer is realized. The preparation method provided by the invention solves the problem that a technology is complicated caused by that the connecting line needs to be fineprocessed in the preparation process of a conventional ultrasonic transducer and the connecting line needs to be subjected to precise butting with the second piezoelectric electrode.

The invention relates to the field of temperature-controlled sensors, and specifically refers to a sensor insulation adapting structure. The sensor insulation adapting structure comprises a plastic bracket and thermal fuses, wherein the upper end surface of the plastic bracket is provided with position fixing frames, limiting grooves which adapt to the thermal fuse are formed in each position fixing frame, and the thermal fuses are transversely and horizontally placed in the limiting grooves; side walls of the position fixing frames at two ends of the limiting grooves are provided with wire clamping notches, and pins at both ends of each thermal fuse are led out transversely from the corresponding wire clamping notches; and an insulating rubber sleeve with a vertical section in an inverted ''U''-shape is arranged inside each limiting groove, and the insulating rubber sleeve coats the upper side outer edge and two side outer edges of each thermal fuse. The sensor insulation adapting structure is reasonable in structure, thermosensitive elements and the thermal fuses are transversely arranged on the plastic bracket, the problem of low perforating and assembling efficiency is avoided, the insulating rubber sleeves are matched with the limiting grooves to coat the thermal fuses so that the thermal fuses are effectively fixed in a whole, the problem of poor contact caused by displacement due to swing of lead wires are avoided, the integral insulating performance is improved, the operating radial dimension of the sensor is effectively reduced, and the miniaturization design is achieved.

The invention discloses a method for regulating and controlling light beam coherence by utilizing an artificial microstructure. The method comprises the following steps of S10, determining the phase of the to-be-generated partially coherent light at each cellular position of a corresponding artificial microstructure area according to the coherence of the to-be-generated partially coherent light; S20, calculating a rotation angle of the nano cells arranged at each cell position; S30, arranging the nano cells with different rotation angles at corresponding cell positions, and constructing an artificial microstructure for realizing light beam coherence regulation; and S40, enabling the focused light beam to be incident to the surface of the constructed artificial microstructure, selecting anincident region of the artificial microstructure according to requirements, and obtaining a partially coherent light beam with corresponding coherence degree. According to the invention, the noise oflight field regulation can be avoided, the utilization rate of energy is improved, and the accurate modulation of light field coherence is realized; by adopting the structure constructed by the nano cells, the size of the structure can be reduced to a larger extent, and the miniaturization design of an optical system is further facilitated.

An intelligent elevator controlling method and device based on distributed multi-channel CAN bus is disclosed. Said device is composed of a cluster operating controller, single-elevator controllers communiated with said cluster operating controller via CAN bus, and the cage controllers, floor calling controllers, LCD controllers and speech floor reporting controllers respectively for each of elevators. Its control method is also disclosed.

The invention provides a fixing device for an external lens of a mobile phone, which relates to the technical field of mobile phone accessories and comprises an outer frame, a guide post and an adjusting piece, wherein the outer frame comprises a first plate body and a second plate body, a space for accommodating an external mobile phone can be formed between the two plate bodies, and a mounting hole is formed in the first plate body; the guide column is vertically arranged between the end faces of the first plate body and the second plate body, the guide column has a first end and a second end, the first end is fixedly connected with the first plate body, and the second plate body is sleeved with the guide column through the second end and can slide relative to the guide column; the adjusting piece is arranged in the guide column in a threaded mode and arranged at the second end in a sleeving mode to abut against the second plate body, and the adjusting piece is controlled by an external force to drive the second plate body to move in the direction close to the first plate body to adjust the distance between the second plate body and the first plate body. The fixing device is simple in structure and high in applicability, and the external lens of the mobile phone is accurately aligned with the light path of the camera of the mobile phone body by adjusting the clamping position. The invention also provides an external lens.

The invention discloses an orthogonal piezoelectric joint mechanism and a control method thereof. Single-stator orthogonal double-ring two-degree-of-freedom piezoelectric actuator comprises piezoelectric vibrators, conical rotors and connecting assemblies, wherein each piezoelectric vibrator comprises two first metal base bodies, a third metal base body and two second metal base bodies, longitudinal vibration piezoelectric ceramic pieces are arranged between the second metal base bodies and the third metal base bodies, bending piezoelectric ceramic pieces are arranged between the first metal base bodies and the second metal base bodies, and two connecting shafts at the connecting ends of two adjacent single-stator orthogonal double-ring two-degree-of-freedom piezoelectric actuators are orthogonal and are connected through an orthogonal connecting assembly. According to the mechanism, the single-stator orthogonal double-ring structure is adopted, so that single piezoelectric actuator can achieve two-degree-of-freedom rotation, a joint can be directly driven to rotate by means of friction force, the advantages of small size and high power density of a piezoelectric material are combined, the miniaturized design of the integral structure is realized, and the advantages of fast response of piezoelectric driving, power failure self-locking and the like are brought into full play.

The invention provides a bar code reading and decoding module and a handheld electronic device. The bar code reading and decoding module comprises a circuit board, a luminescent source, a specially-shaped lens and a bracket, wherein the circuit board comprises a bar code processing chip and an image sensing chip which are respectively located at different sides of the circuit board, the image sensing chip is a complementary metal oxide semiconductor chip and is used for collecting images, and the bar code processing chip is used for carrying out bar code decoding on the images; the luminescent source is a light emitting diode and is located behind the specially-shaped lens; the specially-shaped lens comprises a light equalization region and a light condensation region, and a lighting pattern and an aiming pattern are formed by the luminescent source through the specially-shaped lens; and the bracket is used for loading the circuit board, the luminescent source and the special-shape lens. Compared with the prior art, the bar code reading and decoding module has the beneficial effects of small size, low power dissipation, few devices and low cost.

The invention is applicable to the technical field of ultrasonic imaging and provides an ultrasonic lateral ring array transceiver which comprises a transceiver chip and transduction array chips. Thepackaging shape of the transceiver chip is a cylinder, and the transduction array chips are annularly arranged on the side surface of the transceiver chip. The transceiver chip is electrically connected with the transduction array chips and a host in ultrasonic imaging equipment respectively. The transceiver chip drives the transduction array chips to send ultrasonic waves to the vertical direction of the side surface of the transceiver chip according to an excitation signal of the host. The transduction array chips generate a corresponding imaging electric signal according to a returned ultrasonic wave and transmits the imaging electric signal to the transceiver chip. The transceiver chip also conducts low-noise signal amplification on the imaging electric signal and sends the amplified imaging electric signal to the host. The transceiver chip and the transduction array chips in the ultrasonic lateral ring array transceiver are all integrated semiconductor chips, so that the structureof the ultrasonic lateral ring array transceiver is simplified, the integration level is improved, and the miniaturization design can be achieved.

The invention discloses a micro high-pressure compressor. High-pressure gas is output outwards through variable-section multi-stage piston type compression, rod cavities of cylinders are utilized forcompressing refrigerating fluid by combining the refrigerating principle of an air conditioner, and a capillary tube and an interstage gas storage cavity are machined on the air cylinders and a valveplate; and meanwhile, a fan, a condenser, an expansion valve, a liquid storage tank, a cooling gas inlet one-way valve and a cooling exhaust one-way valve are additionally mounted into the system to form a cooling loop, the refrigerating fluid is utilized for cooling the cylinders and interstage gas, and therefore the compressor is cooled by itself when compressing gas. By means of the cooling manner, the structure is compact, the size and weight are small, high cooling efficiency is achieved, the compressor can be basically in an isothermal compression process, and therefore the size and weight of a cooling system are greatly reduced; and it can be guaranteed that the cooling system works stably and efficiently for a long time, and therefore microminiaturization design of the high-pressure compressor is achieved.

The present invention discloses a large-frame remote sensing image real-time processing system for a spaceborne camera. The system hardware comprises a data input / output module, a control module, a data processing module and a storage module. The control module is connected with the data input / output module and the data processing module respectively, and the control module is mainly composed of aCPLD XC95288 and two dual-port SRAMs (DPSRAM); the data input / output module comprises two TLK2711 high-speed serial transceivers, and is connected with a spaceborne camera data interface; the data processing module mainly comprises four ADSP-TS201 digital signal processors (DSP); and the storage module comprises a data buffer composed of two SDRAMs and a program memory composed of a non-volatileflash. According to the system provided by the present invention, the real-time processing of the large-frame remote sensing image output by the spaceborne camera can be realized, and support can be provided for the miniaturization and embedded practical engineering application of the on-board image processing system.

The invention relates to the technical field of optical projection, in particular to a refractive-diffractive projection illumination system, which comprises a light source module, a light receiving system, a dodging device, a reflector, a diffractive optical element, a prism module and a lens which are sequentially arranged, and is characterized in that the light receiving system is used for collimating light rays emitted by the light source module and emitting the light rays to the dodging device; micro-lens arrays are distributed on two effective optical surfaces of the dodging device respectively, the micro-lens arrays on the two effective optical surfaces are symmetrical to each other, light enters the reflecting mirror after passing through the dodging device, enters the diffractive optical element after being reflected by the reflecting mirror, and exits the prism module after passing through the diffractive optical element. After the chip receives the light rays, image light rays are formed and emitted to the prism module, and the image light rays are emitted to the lens through the prism module. The diffractive optical element is arranged between the dodging device and the prism module, so that the optical path is effectively shortened, the size is reduced, and the miniaturized design of equipment is realized.

The invention provides an onboard minitype high-pressure compressor. Integrated design is achieved by fully combining the beneficial effects of speed type compression and piston type compression. A wind wheel and a swash plate plunger are simultaneously driven to move through a direct current motor, air is subjected to speed type initial compression through rotation of the wind wheel, the air suction capacity is high, the flow is high, a high-pressure air source is provided for piston type compression, and the motor and an air cylinder in piston type compression can be subjected to forced aircooling. A variable-section swash plate plunger type multistage boosting manner is adopted for piston type compression, the system pressure ratio is increased, it is guaranteed that gas is sequentially boosted through one-way valves, and finally high-pressure gas is output. By means of the structural manner, the size and the weight are small, minitype design is achieved, the cooling effect is good, the working efficiency is also greatly improved, and high-pressure air can be online provided for combat aircrafts in high airspace in real time.

The invention relates to the field of valves, in particular to a lightweight pressure reduction hydrogen supply device suitable for a hydrogen energy handheld torch. The invention provides a lightweight pressure-reducing hydrogen supply device suitable for a hydrogen energy handheld torch. The lightweight pressure-reducing hydrogen supply device comprises a bottleneck valve, a pressure reducing valve, a switch assembly, an ejector pin, a small spring and a gas cylinder cap. A gas cylinder and a combustor in a hydrogen energy handheld torch combustion system are connected in series through the light-weight pressure reduction hydrogen supply device, the light-weight pressure reduction hydrogen supply device is responsible for gas cylinder opening and closing, high-pressure hydrogen pressure reduction and hydrogen sealing, the problems of large-pressure-reduction-ratio pressure reduction, high-reliability sealing, low opening and closing torque and the like are solved, and the light-weight pressure reduction hydrogen supply device has the advantages of being wide in temperature range, miniaturized and light in weight.

The invention relates to a high-pressure diaphragm valve provided with balance cavities. The high-pressure diaphragm valve comprises a valve body assembly, a diaphragm and a driving assembly, wherein a valve seat is mounted in the valve body assembly; a valve rod is coaxially mounted at the top of the valve seat and is fixedly provided with the diaphragm; the diaphragm and a push rod of the driving assembly are fixedly arranged together; the valve body assembly comprises an upper valve body, a lower valve body and a right valve body; the upper valve body and the lower valve body are sealed and fixedly mounted; the edge of the diaphragm is pressed between the upper valve body and the lower valve body in a sealed manner, and the inside of the upper and lower valve bodies is divided into a balance cavity I and a fluid cavity I; the right valve body is fixedly mounted on one side of each of the upper and lower valve bodies; a membrane is mounted in the right valve body and divides the right valve body into a balance cavity II and a fluid cavity II; a working fluid inlet is formed in the right valve body and is communicated with the fluid cavity I and the fluid cavity II; a working fluid outlet is formed in the bottom of the lower valve body and communicated with the fluid cavity I. The high-pressure diaphragm valve provided with the balance cavities has the advantages of simple structure, scientific and reasonable design, ingenious conception, small size, high control sensitivity and long service life, is particularly suitable for controlling a high-pressure fluid and has wide popularization and application value.

The invention relates to the field of temperature-controlled sensors, and specifically refers to a sensor insulation adapting structure. The sensor insulation adapting structure comprises a plastic bracket and thermal fuses, wherein the upper end surface of the plastic bracket is provided with position fixing frames, limiting grooves which adapt to the thermal fuse are formed in each position fixing frame, and the thermal fuses are transversely and horizontally placed in the limiting grooves; side walls of the position fixing frames at two ends of the limiting grooves are provided with wire clamping notches, and pins at both ends of each thermal fuse are led out transversely from the corresponding wire clamping notches; and an insulating rubber sleeve with a vertical section in an inverted ''U''-shape is arranged inside each limiting groove, and the insulating rubber sleeve coats the upper side outer edge and two side outer edges of each thermal fuse. The sensor insulation adapting structure is reasonable in structure, thermosensitive elements and the thermal fuses are transversely arranged on the plastic bracket, the problem of low perforating and assembling efficiency is avoided, the insulating rubber sleeves are matched with the limiting grooves to coat the thermal fuses so that the thermal fuses are effectively fixed in a whole, the problem of poor contact caused by displacement due to swing of lead wires are avoided, the integral insulating performance is improved, the operating radial dimension of the sensor is effectively reduced, and the miniaturization design is achieved.

The invention provides a liquid metal driving device based on a piezoelectric film, a control method and a manufacturing method. The driving device comprises a substrate and a cover plate, wherein a flexible micro-channel structure is formed on the substrate; a liquid metal liquid storage tank capable of containing liquid metal is formed at one end of the flexible micro-channel structure; and thin film structures are integrated on the flexible micro-channel structure, the thin film structures displace and deform under voltage control, and the flexible micro-channel structure deforms, so that the liquid metal filled in the flexible micro-channel structure is driven to flow through the extrusion effect. According to the liquid metal driving device, reversible continuous or stepped flow control of the liquid metal in the flexible micro-channel structure is achieved, the liquid metal can flow in a higher-precision and large-scale manner, the position of the liquid metal in the flow channel structure can be accurately controlled, the liquid metal driving device can be applied to the fields of camouflage, communication, heat dissipation, energy harvesting and the like, and the dynamic regulation and control capacity is achieved.

The invention discloses an integrated module, a design method thereof and a mobile terminal. According to the method, when pin pads on a printed circuit board are arranged, the pin pads are arranged at middle positions which are directly under a welding position of the integrated module on the printed circuit board, and an outwardly protruding solder ball is also arranged on each pin pad; the solder-paste non-contact problem caused by a certain single-board deformation amount can be overcome through changing and arranging the pin pads to the positions which are directly under the printed circuit board and adding the solder balls, welding yield is higher as compared with that of an existing QFN package, thus the problems that in the prior art, the sizes of pin pads cannot be changed, and welding yield is lower are solved; and at the same time, the middle positions of the printed circuit board are effectively utilized through arranging the module by a manner provided by the invention, the arrangement positions of the pads are enabled to be changeable and the sizes are enabled to be adjustable, the size of the printed circuit board is further reduced, and miniaturized design of the module is realized.

The invention provides a multi-layer network-based control framework and control method for an optical storage charging intelligent charging station. The system includes from top to bottom an electric vehicle Internet of Vehicles cloud platform located at the dispatching layer, a charging station cluster management and control cloud platform, and distribution network dispatching. Management and control cloud platform, several charging station control center edge servers at the station control layer, various controllers at the equipment layer, state grid billing units, several AC / DC and DC / DC modules, and the station-level CAN bus of the charging station at the equipment layer as The backbone network, Unicom charging station control center edge server, each controller; equipment layer rectifier CAN bus, charging pile CAN bus, machine pile CAN bus as the secondary communication network Unicom equipment layer controllers and corresponding power electronic charging equipment. The present invention adopts the CAN bus technology, which is one of the field buses, and each controller only needs to be connected by a pair of twisted-pair wires through the network topology structure, so that the installation of the charging station control system is more flexible and convenient.

The invention provides an optical storage and charging intelligent charging station control architecture and control method based on a multi-layer network, and the system comprises an electric vehicle networking cloud platform, a charging station cluster management and control cloud platform, a distribution network scheduling management and control cloud platform, a plurality of charging station control center edge servers located in a station control layer, controllers arranged at an equipment layer, a state grid billing unit and a plurality of AC / DC and DC / DC modules, wherein the parts are arranged from top to bottom; a station-level CAN bus of a charging station of the equipment layer serves as a backbone network and is communicated with the charging station control center edge server and the controllers; and an equipment layer rectification CAN bus, a charging pile CAN bus and a machine pile CAN bus are used as secondary communication networks to communicate each controller of the equipment layer with corresponding power electronic charging equipment. According to the invention, the CAN bus technology which is one of field buses is adopted, all the controllers can be connected through a network topology structure by only needing a pair of twisted pairs, and the charging station control system is more flexible and convenient to install.

The invention relates to a high-pressure diaphragm valve provided with balance cavities. The high-pressure diaphragm valve comprises a valve body assembly, a diaphragm and a driving assembly, wherein a valve seat is mounted in the valve body assembly; a valve rod is coaxially mounted at the top of the valve seat and is fixedly provided with the diaphragm; the diaphragm and a push rod of the driving assembly are fixedly arranged together; the valve body assembly comprises an upper valve body, a lower valve body and a right valve body; the upper valve body and the lower valve body are sealed and fixedly mounted; the edge of the diaphragm is pressed between the upper valve body and the lower valve body in a sealed manner, and the inside of the upper and lower valve bodies is divided into a balance cavity I and a fluid cavity I; the right valve body is fixedly mounted on one side of each of the upper and lower valve bodies; a membrane is mounted in the right valve body and divides the right valve body into a balance cavity II and a fluid cavity II; a working fluid inlet is formed in the right valve body and is communicated with the fluid cavity I and the fluid cavity II; a working fluid outlet is formed in the bottom of the lower valve body and communicated with the fluid cavity I. The high-pressure diaphragm valve provided with the balance cavities has the advantages of simple structure, scientific and reasonable design, ingenious conception, small size, high control sensitivity and long service life, is particularly suitable for controlling a high-pressure fluid and has wide popularization and application value.