72results about How to "Small device size" patented technology

The invention relates to an MEMS (Micro Electro Mechanical System) microphone and pressure integration sensor and a manufacturing method thereof. The sensor provided by the invention comprises a first substrate and a second substrate, wherein the first substrate is provided with an induction film of a capacitance pressure sensing unit, a sensitive film of a microphone unit and a first bonding layer on the surface of the first substrate; the second substrate is provided with a dielectric layer between conductors, a conductor wiring layer positioned in the dielectric layer between the conductors and/or a second bonding layer on the surface of the second substrate; the second substrate and the first substrate are oppositely arranged and fixedly connected through the first bonding layer and the second bonding layer; and the patterns of the first bonding layer and the second bonding layer correspond to each other and are conductive materials. In the MEMS microphone and pressure sensor and the manufacturing method thereof provided by the invention, the capacitance pressure sensing unit and the microphone unit through the two substrates, thus the sensor and method provided by the invention are suitable for chip structures produced in a large scale and integrated with various MEMS sensors, are beneficial to the compatibility with an integrated circuit process, have the advantages that the standardization of a manufacturing process and a packaging process is enhanced, the volumes of devices are small, the signal-to-noise ratio performance is excellent, and the interference resistance is high.

A multi-stage interferometer circuit of the present invention includes: a multiplexing port; (N-1) stages of lattice type two-beam interferometers, wherein each stage includes a two-beam delay circuit having a path length difference of an integral multiple of M·Δ L/2, and wherein the two-beam delay circuit of the lattice type two-beam interferometer of the first stage is connected to the multiplexing port; an M-beam interferometer including: two sets of 1×(M/2) optical couplers connected to the first optical coupler of the lattice type two-beam interferometer at the final stage; an M-array delay circuit, each delay circuit of which has a delay length different from each other by ΔL; and M×M optical couplers; and M demultiplexing ports, wherein one or more transversal filters are arranged inside the multi-stage interferometer circuit so that the light guided between the demultiplexing port and the multiplexing ports passes therethrough at least once.

The invention discloses an optical logic gate based on double parallel microring resonators. The optical logic gate is realized by two parallel microring resonators (MRR) and waveguides of two parallel namometer wires, two inputs are electric pulse sequences to be calculated, and calculated results to be output are optical pulse sequences. By the optical logic gate, the problems of speed bottleneck, power consumption and gate delay and competition and risks brought by the gate delay in a traditional electric logic gate are solved, the optical information processing and the speed of information processing in optical calculation are improved, and the small volume, low power consumption and low cost of devices can be guaranteed.

The invention provides a replacing device for battery boxes of an electric vehicle, which is used for taking down one undercharged battery box from the vehicle, conveying the undercharged battery box to a battery transfer rack or conveying one fully-charged battery box on the battery transfer rack, and mounting the fully-charged battery box on the vehicle. The battery boxes don't need to rotate when being replaced by the device, so that replacing time is saved, and the problem that a large rotating space is needed for replacing the battery boxes is solved. The device comprises a translational device, a mechanical arm and a lifting device, the mechanical arm has a bidirectional moving function, namely, the mechanical arm is capable of extending along the vehicle direction and extending along a battery rack, and two rows of rollers are arranged on the mechanical arm so as to be convenient for drawing off the battery boxes. The device has the advantages that the device consisting of various conventional products is lower in manufacture cost, small in size, flexible in action and fine in universality, the required moving passage width is obviously decreased, and occupied area for replacing is saved.

The invention provides a rotary-type compound nanometer power generator. The rotary-type compound nanometer power generator comprises a friction nanometer power generation assembly and a magnetic-electric sensing power generation assembly, wherein the friction nanometer power generation assembly comprises a rotor and a stator which are provided with a command rotation shaft, a friction layer is arranged on the lower surface of the rotor and is formed by outwards and radially arranging a plurality of friction units taking the rotation shaft as a circle center, an electrode layer of the stator comprises a first electrode and a second electrode which are formed by outwards and radially arranging a plurality of first electrode units and a plurality of second electrode units at intervals in the same plane from the rotation shaft, electron gain-loss capability difference exists between the friction units and the upper surface material of the stator, a magnet part and a coil part of the magnetic-electric sensing power generation assembly are separately arranged on the rotor and the stator, and under the effect of an external force, induction potential difference is generated between the two electrodes, and meanwhile, induction current is generated in the coil part. The power generator provided by the invention can acquire current output with milliamperes and can be used for directly supplying power to a small-sized power utilization device.

A duplexer includes: a transmission filter and a reception filter that have different band center frequencies from each other; a phase matching circuit that performs phase matching on the transmission filter and the reception filter; and a laminated package that includes a first layer on which the transmission filter, the reception filter, and the phase matching circuit are mounted. In this duplexer, the first layer includes a first ground line pattern that is connected to a ground of the transmission filter, a second ground line pattern that is connected to a ground of the reception filter, a third ground line pattern that is connected to a ground of the phase matching circuit, and signal line patterns. The laminated package also includes a second layer that is located below the first layer. The second layer includes a partition ground line pattern that is located between the signal line patterns, a signal foot pad for external connection, and a ground foot pad. The first ground line pattern and the second ground line pattern are connected to the partition ground line pattern via the ground foot pad.

The invention discloses a conduit and guide wire coordinated operation interventional robot and a control method thereof, and belongs to the field of minimally invasive blood vessel interventional operation. The system comprises an operation platform, a conduit controller and a guide wire controller which are arranged on the operation platform; the operation platform comprises a platform main beam, two platform connecting blocks are arranged on the operation platform through a secondary linear guideway, and a conduit controller and a guide wire controller are respectively installed; the platform connecting blocks are driven through a platform driving mechanism; the conduit controller comprises a main body part and a conduit clamping mechanism for holding the conduit; the guide wire controller comprises a clamping mechanism, the clamping mechanism comprises a sleeve, a braking piece and a clamping piece, after the clamping piece with a clamping end is loaded in the braking piece, the braking piece is connected with the sleeve in a threaded mode, and the clamping end clamps the guide wire as driven by the relative rotation of the braking piece and the sleeve. The conduit controller and the guide wire controller are installed the on a mobile platform through the system, controls are applied on the conduit and the guide wire respectively, and the coordinated operation of the conduit and the guide wire is completed by the coordination of the system and the control of the operation platform.

A pressure compensated electromagnetic proportional directional flow control valve of the present invention integrally includes: an electromagnetic proportional directional flow control valve configured to be driven by a solenoid; and a pressure compensated valve configured to carry out pressure compensation of a flow rate controlled by the electromagnetic proportional directional flow control valve. A pressure compensation spool moves so as to balance forces of a spring, a first pressure chamber, and a second pressure chamber. With this, the pressure compensation for maintaining a constant pressure difference between an upstream side and a downstream side of a first variable aperture can be carried out, and a surplus liquid of a liquid flowing from a liquid-pressure supply port to a derivation port can flow out from a branch port to outside.

The invention provides an online mobile pollution source monitoring system and method. The system disclosed by the invention comprises a monitoring terminal, a server and a Web client. The method comprises the following steps: transmitting acquired information by the monitoring terminal through a 3G/4G network, receiving the transmitted data by the server, and responding to a request of the Web client; transmitting the request to a Web server at the Web client by a user, acquiring information acquired by a monitoring terminal sensor, and drawing time-space distribution of pollutants on an electronic map in combination with a pollutant diffusion model by utilizing a GIS (Global Information System) time-space analysis method according to the data acquired by the monitoring terminal, wherein the Web client comprises a pollutant time-space distribution display module and a mobile pollution source data report module. The method capable of monitoring mobile pollution sources in real time on line provided by the invention is high in real-time property, high in precision, fast in response and wide in coverage, and the monitoring results can be graphically displayed through the Web client.

The invention discloses a continuous flow photochemical reactor, which comprises a reaction chamber for photochemical reaction, a temperature control chamber for temperature control of the reaction chamber and a light source control chamber for light source regulation. Specifically, the reaction chamber comprises a shell and a reactor module located in the shell, and the reactor module comprises a photochemical reaction unit, a light source module arranged outside the photochemical reaction unit, a light source heat dissipation module and a reactant temperature control module. Specifically, the reactor module comprises a reaction bin plate, a quartz glass board, a quartz plate fixed cover plate and a light source plate that are stacked sequentially. The continuous flow photochemical reactor not only can realize all-range photochemical reaction in all-ultraviolet band and visible light band, but also has the advantages of compact structure, small volume, good sealing performance, high product yield, large output, long service life, convenient maintenance, highly controllable temperature and reaction process, is suitable for industrial application, and meets the requirements of green chemical pharmacy.

The invention relates to a device and method for high-throughput, continuous and rapid preparation of an alloy sample. The device comprises a rotating system, a dispensing system, a heating and melting system, a cooling and solidifying system, a sampling system and a PLC control system; a dispensing zone, a heating and melting zone, a cooling and solidifying zone and a sampling zone are located ona rotating table. A container placed above the dispensing zone is controlled by the PLC and dispenses the alloy to a crucible which is rotated to the zone according to a preset alloy distribution ratio; a melting cavity and a cooling device respectively placed above the heating and melting zone and the cooling and solidifying zone are respectively used for melting and solidifying the alloy in thecrucible; a sample push-out device placed under the sampling zone is used for taking out the solidified sample from the crucible. According to the device and method for high-throughput, continuous and rapid preparation of an alloy sample, a circular-type alloy sample preparation integrating heating and melting, cooling and solidifying, sampling can be realized on the rotating table. The device iscompact in structure and high in automation degree, the time for raw material dispensing, multi-furnace smelting and preparation is shortened, and high-throughput, continuous and rapid preparation ofthe alloy sample can be realized.

This invention relates to one medium heating steel tube plastic device, which comprises the following parts: sealing head on both ends of steel tube; charging structure; steel tube sending machine and heating device, wherein, the heating device adopts medium frequency induce heating coil; the said sealing head device is one pair of self-locking block with one end in plat cover shape and with hole in center and with self-sealed rap0id joint and with other end as column plug opened with semi-round card groove with two block ends connected through spring. This invention alters traditional large fuel strove heating device and complex gas cylinder sealed head device.

A detecting chip is featured as sealing glass layer and PDMS layer together by interlinking, having reagent sample input and output on PDMS layer and channel start point and end point on glass layer as they being corresponded to each other, setting ceramic piezoelectric value sample feed controller at outer side of PDMS, setting chip on base, sticking ultrasonic biological reagent mixing system on PDMS layer, placing integrated temperature control system at outer side of glass layer.

The invention discloses a power generation system based on chemical loop space division oxygen generation and CO2 gathering before combustion. The power generation system comprises an oxidation reduction unit, a gasification reactor, a dust remover, a water gas conversion unit, a desulfurizer, a decarburization unit, a gas turbine device and a waste heat boiler-steam turbine device which are connected with each other in turn through a pipeline. The power generation system disclosed by the invention adopts the chemical loop space division oxygen generation for replacing the traditional deep cooling air separation oxygen generation, so that the problem of pure oxygen sources of the integrated gasification combined cycle can be solved, and the oxygen carrier cyclic regeneration in the chemical loop space division oxygen generation process can be realized. The power generation system disclosed by the invention can realize the near zero emission of carbon dioxide in the manner of gathering carbon dioxide before combustion.

The invention discloses a multifunctional high-power polarization preserving fiber isolator. The multifunctional high-power polarization preserving fiber isolator is structurally characterized in that a first fiber collimation system, a double-window 90-degree beam splitting polarizer, a Faraday optical rotator, a birefringent crystal and a second fiber collimation system are arranged in sequence along the input direction of light, wherein the second fiber collimation system is arranged reversely; the included angle between the optical axis of the double-window 90-degree beam splitting polarizer and the optical axis of the birefringent crystal is 45 degrees; a third fiber collimation system and a fourth fiber collimation system are respectively arranged at double-window emergent parts at the two sides of the double-window 90-degree beam splitting polarizer. The multifunctional high-power polarization preserving fiber isolator not only can handle high-power input and output, but also has the characteristics of good heat stability and multiple functions; and the increase of monitoring ports is beneficial to stability and safety of the system, thereby achieving good practical applicability.

The invention relates to the technical field of electro-optical encoders, and discloses a silicon-based integrated two-position binary electro-optical encoder. The electro-optical encoder is realized by three micro-ring resonators (MRR) and three bent nanowire waveguides, wherein an input comprises four electric signals to be encoded and a continuous optical signal at a working wavelength; and an output result is an optical signal obtained by encoding the electric signal. The encoder can be used for finishing conversion between the electric signal and the optical signal, and the electric signal can be optically encoded. In the structure, each optical switch based on the micro-ring resonator is independent, and all the switches work in parallel at the same time; the encoding speed of the whole device is much quicker than that of an electric encoder. In the aspect of process, the conventional complementary metal-oxide-semiconductor (CMOS) technical process is used, so that the device has a small volume, low power consumption, high speed and high expandibility, is integrated with an electric element conveniently, and has a good application prospect in photon computers and optical communication networks.

The invention discloses a silicone-based integrated optical encryption modulator. The optical encryption modulator is realized by two nanowire MRRs (Micro-Ring Resonators) and comprises two input ends and an output end, wherein the input ends are used for respectively inputting a plaintext electronic pulse sequence and a key electronic pulse sequence, the output end is used for outputting a ciphertext optical pulse sequence, and the output ciphertext optical pulse sequence can directly enter into an optical fiber to transmit. The invention has the remarkable advantages that the functions of encryption and modulation are simultaneously completed by using a single device, and small size, low power consumption and good expansibility of the device are realized due to the adaptation of a traditional process technique, thereby facilitating the integration of electrical components. Moreover, the silicone-based integrated optical encryption modulator is particularly applied to occasions which are sensitive to size, power consumption and cost.

The invention relates to a pipe-to-soil potential excessively-negative control method and device for a buried pipeline which suffers from DC spurious emission interference. A voltage reference source is used as a signal collecting comparison and triggering control circuit to trigger and control a based threshold value; when the pipe-to-soil potential collected by the signal collecting comparison and triggering control circuit A02 exceeds the specified value of the threshold value, an operational amplifier in the circuit outputs in the forward direction, a photoelectric coupler is triggered and connected, and a reverse compensation control circuit A03 is triggered to start applying a forward current to the pipeline; when the pipe-to-soil potential collected by the signal collecting comparison and triggering control circuit A02 has already returned within the allowed range of the set threshold value, the operational amplifier is free of output, the photoelectric coupler is not triggered, optoelectronic isolation takes effect, trigger control is canceled, and the reverse compensation control circuit A03 stops working. The pipe-to-soil potential excessively-negative phenomenon due to the fact that the pipeline suffers from DC interference is avoided, and the hydrogen brittleness and coating stripping danger of the pipeline can be eliminated.

Integrated active photonic device such as optical amplifiers, lasers, light emitters, photodetectors, optical modulators, optical switches, plasmonic devices, all-optical devices, and active photonic devices with high efficiency capable of very low power consumption, low optical loss, and small device size are of interest. An efficient optical waveguide structure for achieving high overlapping between the optical beam mode and the active electro-active region leads to reduced power consumption, low optical loss, and small device size. In an embodiment, low power consumption, low optical loss, and small device size are enabled by a semiconductor active photonic device structure, together with an active semiconductor material that is an electro-optic or electro-absorption or gain material, that are appropriately doped with carriers to substantially lower the power consumption and still maintain the high device performance. In another embodiment, an efficient optical coupling structure further enables low optical loss. Various embodiments combined enable the active photonic device to reach lower power consumption, lower optical loss, and smaller device size than previously possible in the prior arts.

The invention relates to the technology of the radio energy transmission, and specifically relates to an omni-directional selectivity radio energy transmission system. The system comprises a transmitting end connected with a power supply module, and a load module connected with multiple receiving ends; the frequency of the transmitting end is adjustable and is matched with the resonant frequency of each receiving end. The transmission system can satisfy the energy supply to multiple receiving ends at any location of the space by only needing one transmitting end, and the transmission system has the selectivity function at the same time, the energy is only supplied to the receiving end needing the energy in the specific time slot, the energy utilization efficiency is improved, and the loadservice life is prolonged.

The invention discloses a wearable recorder for recording construction site conditions. The wearable recorder comprises a wearable mobile terminal and a service terminal, wherein the service terminal is connected with the wearable mobile terminal; the wearable mobile terminal comprises a power supply, a communication device, a GPS module, an RFID (radio frequency identification) module, a camera and a wireless transmission module, and is connected to the service terminal through the wireless transmission module. Due to wireless transmission, wiring and the size of the wearable recorder are reduced, and the wearable recorder serving as a monitoring device can move along with a working personnel, so that the monitoring effect of the wearable recorder is better than that of the conventional monitoring device arranged on a construction site; moreover, by means of distributed servers, real-time and dynamic recording of the personnel on the construction site can be realized, the data reading speed is greatly accelerated, and fragmented information can be displayed in a concentrated manner, so that the emergency command capability is enhanced, and the management efficiency is improved. The recorder can be widely applied to the field of engineering monitoring.

An image forming device includes: an image forming unit that forms an image on a recording medium; and a controller that controls image formation. The controller can determine whether the image on the recording medium is normal upon reception of a reading result obtained by reading an image on a recording medium that has passed through the image forming unit, and can exercise such control that a recording medium with an image that has been determined to be normal and a recording medium with an image that has been determined to be abnormal are sorted according to a determination result, the controller having a function of, upon such reading, dividing a reading result related to a recording medium and making a determination on an image on the recording medium in accordance with reading results related to segments obtained by division.

The invention belongs to the technical field of auxiliary devices for power systems, and particularly relates to an air-cooled control device for a transformer. The air-cooled control device mainly solves the problem of higher oil temperature in the transformer. The air-cooled control device comprises a control box, a plurality of fans, a CPU control main board and a circuit board, wherein the CPU control main board and the circuit board are mounted in the control box; the plurality of fans are mounted in a cabinet of the transformer; the front cover of the control box is arranged at the upper part of the control box; a signal output terminal, a power input terminal and a power output terminal are arranged at the lower part of the control box; the CPU control main board is connected with the circuit board; the circuit board is connected with the plurality of fans to control on and off of the plurality of fans; a fan operation indicating lamp, a fan stop indicating lamp and a power work indicating lamp are arranged on the front cover; the circuit board is connected with the plurality of fans and the power input terminal as well as the fan operation indicating lamp, the fan stop indicating lamp and the power work indicating lamp.

The invention relates to a buzzer driving circuit and a corresponding buzzer driving method. The driving circuit comprises a control circuit module, a boost circuit module and a switch driving circuitmodule. The control circuit module is used for controlling the working state of the boost circuit module and the switch driving circuit module. The boost circuit module is used for boosting the voltage supplied by the voltage source and transmitting the boosted voltage to the switch driving circuit module. The switch driving circuit module controls the buzzer according to the signal outputted bythe control module. With application of the buzzer driving circuit and the corresponding buzzer driving method, the buzzer can be controlled effectively; meanwhile, functional control of the circuit can be realized by only using the common inductors and components in the circuit, the cost is low, the device volume is small, the current performance is stable and the buzzer works stably. When the driving circuit is in the standby state, the boost circuit module and the switch driving circuit module have no static power consumption, and thus the power consumption is low.

The invention discloses an interventional surgical robot subordinate end device and an operating platform and a control method of the device and belongs to the technical field of minimally invasive blood vessel interventional operations. The operating platform comprises a supporting platform, and one or more platform connection blocks are arranged on the supporting platform through a linear guide way pair D; the platform connection blocks are driven by a driving mechanism and used for installing a catheter controller or a guide wire controller. The interventional surgical robot subordinate end device comprises the catheter controller, the guide wire controller and the operating platform; the catheter controller and the guide wire controller are mounted on the two platform connection blocks respectively. According to the interventional surgical robot subordinate end device, the catheter controller and the guide wire controller are installed on the mobile platform, and the problem is solved that it is difficult for an existing robot to complete co-operating of a catheter and a guide wire.

The invention relates to a combined multiphase flow fluid measurement system. The system comprises a venturi and microwave sensor integrated module, an electromagnetic tomography module and a data acquisition and processing module; the venturi and microwave sensor integrated module comprises a venturi part and a microwave sensor part; the venturi part comprises a venturi tube, and a pressure tapping module, a pressure sensing module and a temperature sensing module which are arranged on the venturi tube; the venturi tube comprises an upstream pipeline, a contraction section, a throat part, anexpansion section and a downstream pipeline; and the electromagnetic tomography module is positioned at the throat part of the venturi tube and is close to the upstream pipeline. According to the invention, the electromagnetic tomography technology, the microwave detection technology and the venturi are combined, and the multiphase flow and the moisture content are solved by utilizing the signal combination of each sensor; the whole measuring system has no parts invading the interior of the pipeline, has no radioactive source, and has the characteristics of safety, environmental protection, non-invasion, non-contact, no flow pattern influence and no scaling influence.

The invention provides a polygonal enamel wire for an electromagnetic winding. The polygonal enamel wire comprises a metal conductor arranged in the polygonal enamel wire body and an insulation paint film arranged outside the polygonal enamel wire body. The metal conductor is formed through a special wire drawing die to be polygonal. According to the technical scheme, the polygonal enamel wire has the advantages that by means of the polygonal enamel wire, the space utilization rate can be improved, and the purposes of reducing the device size and lowering cost and the like are achieved.

The invention discloses an electric auxiliary device for increasing the walking speed, and relates to the field of walking auxiliary devices. The problems that an existing walking auxiliary device is poor in stability, difficult to use, high in road surface requirement and low in safety are solved. Two roll ball slide rails are fixed on a base plate in parallel, a shoe sole fixing plate is erected on the roll ball slide rails, and a motor and a motor control circuit are both mounted on the base plate. A pressure switch is mounted in the shoe sole fixing plate and used for sensing shoe sole pressure, the switching signal output end of the pressure switch is connected with the switching signal input end of the motor control circuit, and the motor control signal output end of the motor control circuit is connected with the control signal input end of the motor. The motor controls the shoe sole fixing plate to slide on the two roll ball slide rails through a gear. A battery is used for supplying a working voltage to the motor and the motor control circuit. The electric auxiliary device for increasing the walking speed is suitable for single-person walking assisting.

The invention provides a bubbling type solution dehumidifying and regenerating device which relates to a heat and mass transfer device based on bubbling type solution dehumidification/regeneration in a solution air-conditioning system. The outlet of a first electric control valve (4) is connected with the solution inlet of a bubbling tower (1), the solution outlet of the bubbling tower (1) is connected with the inlet of a first electromagnetic valve (5), and the outlet of the first electromagnetic valve (5) is connected with the inlet of a solution pump (6); the outlet of a blower (3) is connected with the inlet of a non-return valve (2), and the outlet of the non-return valve (2) is connected with the air inlet of the bubbling tower (1); and a bubbling plate (8) is arranged at the conical bottom of the bubbling tower (1), and a liquid blocking plate (7) is arranged at the air outlet of the inner upper part of the bubbling tower (1). The invention reduces the volume of the solution air-conditioning system, saves the materials, simultaneously greatly improves the heat and mass transfer efficiency of the device, and overcomes the defects existing in the existing air-conditioning technique.

The invention discloses a magnetic core-shell microcapsule generation method based on a surface acoustic wave microfluidic device. The surface acoustic wave microfluidic device comprises a piezoelectric substrate, an arc-shaped interdigital transducer is arranged on the piezoelectric substrate, and a PDMS micro-channel system is attached to the upper portion of the piezoelectric substrate; and thePDMS micro-channel system comprises a first-stage T-shaped channel and a second-stage cross-shaped channel. The method comprises the following steps: adjusting the flow rates of an inner phase, an intermediate phase and an outer phase, shearing the inner phase into micro-droplets at a communicating port of a T-shaped flow channel by the intermediate phase, and shearing the intermediate phase containing the inner phase droplets into micro-droplets with a core-shell structure at a communicating port of a cross-shaped flow channel by the outer phase. The arc-shaped interdigital transducer enables sound radiation force generated by surface acoustic waves to act on the interface of the inner phase and the intermediate phase, so that the interface is deformed, the size and the shell thickness of liquid drops of the inner phase are regulated and controlled, and finally, the magnetic core-shell microcapsules are formed after irradiation of an ultraviolet lamp. According to the invention, thegeneration size and the shell thickness of the core-shell magnetic microcapsule can be flexibly regulated and controlled in real time.