1056 results about "External circuit" patented technology

The invention belongs to the technical field of sewage treatment, and particularly relates to an anaerobic ammonia oxidation-photoelectric denitrification deep nitrogen removal method. The method comprises the following steps: firstly, adopting a double-chamber reactor; introducing part of sewage into the cathode chamber, carrying out Anammox reaction under a dark state condition to remove ammonia nitrogen and part of nitrite nitrogen, and synchronously generating nitrate nitrogen; turning on a light source to irradiate the anode chamber, exciting photo-induced electrons by a photosensitizer, transmitting the photo-induced electrons to the cathode chamber through an external circuit, and driving the sulfur autotrophic denitrification sludge to reduce residual nitrite nitrogen and nitrate nitrogen generated by Anammox; the total nitrogen removal rate is close to 100%. According to the invention, photo-induced electrons are used as the only denitrification electron donor, so that the addition of a carbon source / sulfide is thoroughly avoided, and the risk of secondary pollution is eliminated. The method is suitable for green low-carbon deep treatment of sludge digestion liquid and pharmaceutical wastewater high-ammonia-nitrogen low-carbon-nitrogen-ratio sewage.

An external connection bus bar to be connected to a storage element group having a plurality of storage elements and having an output electrode terminal for outputting electric power to an external circuit includes a main body portion to be connected to the output electrode terminal, an external connection terminal to be connected to an external circuit, and a circuit board connection portion to be soldered to a bus bar land provided on the circuit board. The external connection terminal is provided between the main body portion and the circuit board connection portion.

The present application provides a sound production apparatus and an electronic device. The sound production apparatus comprises a housing, a magnetic circuit assembly, a vibration assembly, and a spider. The magnetic circuit assembly has a first magnetic gap and a second magnetic gap. The vibration assembly comprises a diaphragm component and a voice coil component. The voice coil component comprises a first voice coil disposed corresponding to the first magnetic gap and a second voice coil disposed corresponding to the second magnetic gap. The spider is electrically connected to the voice coil component and an external circuit. The spider comprises a connection arm, a bent arm, and a vibration arm connected in sequence. The connection arm is disposed on the diaphragm component and is electrically connected to the first voice coil and the second voice coil. The vibration arm extends in a bent shape. The bent arm is connected between the connection arm and the vibration arm, and the bent arm extends from an inner end of the vibration arm along a vibration direction of the vibration assembly and is connected to the connection arm. This configuration improves the magnetic field strength of the magnetic circuit assembly, thereby increasing the BL value of the sound production apparatus and ensuring the acoustic performance of the sound production apparatus.

An object is to provide a technique that eliminates the need for an external circuit for enhancing the breakdown voltage. A switching element drive circuit includes a primary circuit and a secondary circuit, and an insulating element isolating the primary circuit and the secondary circuit from each other in terms of a direct current. The secondary circuit includes a semiconductor substrate, a detector provided on a portion of the semiconductor substrate, including a pn junction isolation portion, and configured to detect a voltage of a high voltage terminal, and a controller provided on a remaining portion of the semiconductor substrate and configured to control a control voltage of a semiconductor switching element based on a second signal and a detection result of the detector.

The invention discloses a non-selective membrane mixing system for solar seawater desalination and all-weather salinity difference energy collection. The non-selective membrane mixing system comprises a chamber for accommodating seawater; the salinity gradient energy power generation module is arranged at the bottom of the chamber and comprises a cation electrode and an anion electrode which are connected through an external circuit, and the cation electrode and the anion electrode are immersed in the seawater in the chamber; the salinity gradient energy generation module comprises an evaporator and a condensation cover, the evaporator floats in the seawater in the cavity, and the condensation cover is located at the top of the cavity; wherein no ion selective membrane is arranged between the cation electrode and the anion electrode. According to the system, photo-thermal evaporation fresh water production and salinity gradient energy power generation / energy storage processes are coupled, and membrane-free all-weather salinity gradient energy collection is realized.

An acceleration sensor circuit is disclosed. The acceleration sensor circuit includes a package; an accelerometer to generate acceleration data samples during a peak tracking window; a sample register, to store the acceleration data samples; an acceleration calculation digital circuit, to calculate an acceleration magnitude sample based on the stored acceleration data samples; a peak register, to store a current peak acceleration value; a sample compare circuit, to compare the acceleration magnitude sample to the current peak acceleration value, where the peak register is configured to replace the current peak acceleration value with the acceleration magnitude sample in response to the sample compare circuit determining that the acceleration magnitude sample is greater than the current peak acceleration value; and a memory, configured to store the current peak acceleration value, and to transmit the current peak acceleration value to an external circuit in response to an end of the peak tracking window.

The utility model discloses a switch-on and switch-off state monitoring module of an external circuit breaker of an electric energy meter, which comprises a shell, a rotating body, a circuit board, a position sensing device and an electric actuating mechanism used for controlling switch-on and switch-off of the circuit breaker are arranged in the shell, and the rotating body is in transmission connection with the electric actuating mechanism. The position sensing device comprises a first position sensing unit arranged on the rotating body and two second position sensing units arranged on the circuit board, and the first position sensing unit can move between the positions matched with the two second position sensing units to sense along with rotation of the rotating body. And when the circuit breaker is in an opening state and a closing state, the first position sensing unit is respectively located at positions correspondingly sensed by the two second position sensing units. The device can be integrated on the external circuit breaker of the electric energy meter, and has the advantages of simple and compact structure and high reliability.

A sensing device (100) for collecting a motion signal of a target object and a wearable device comprising the sensing device (100). The sensing device (100) comprises a first sensing unit (120) arranged on a first side face (110-a), facing a target object, of a flexible substrate (110). An electric signal generated by a first sensing unit (120) is conducted to a target position (A) through a first conductive channel (111) arranged on a flexible substrate (110), and the target position (A) is farther away from a target object relative to a first side face (110-a), so that the connection position of the sensing device (100) and an external circuit can be away from the first side face (110-a). The first side surface (110-a), facing the target object, of the sensing device (100) can be kept flat, and non-uniform deformation of the first sensing unit (120) of the first side surface (110-a) is avoided, so that the working stability of the sensing device (100) is improved. Meanwhile, the first side surface (110-a) is kept flat, so that the foreign body sensation when the sensing device (100) is worn can be reduced, and the wearing comfort of the sensing device (100) is improved.

The invention relates to the technical field of semiconductor device design and simulation, in particular to a multi-physics-field coupled photoelectric detector modeling method and system, and the method comprises the steps: calculating the spatial distribution of the carrier generation rate, the carrier recombination rate, the potential, the distribution of electron concentration and hole concentration, and heat effect feedback data of a surface incidence semiconductor photoelectric detector; calculating the current density distribution of the target surface incident semiconductor photoelectric detector under the dynamic input optical power; based on an automatic differential Newton iteration method, a multi-physics field coupling equation set is solved according to spatial distribution of a carrier generation rate, current density distribution, a carrier recombination rate, potential, distribution of electron concentration and hole concentration and heat effect feedback data; and establishing an equivalent circuit model of the surface incidence semiconductor photoelectric detector, and carrying out co-simulation with an external circuit. Therefore, the problems of insufficient physical field coupling, poor numerical stability, low calculation efficiency, inaccurate simulation and the like in a traditional photoelectric detector simulation method are solved.

The utility model discloses a sound production device and electronic equipment. The sound production device comprises a shell, a magnetic circuit system, a vibration system and a conductive piece, the magnetic circuit system is connected to the inner side of the shell; the vibration system comprises a first vibrating diaphragm and a second vibrating diaphragm which are respectively positioned on two opposite sides of the magnetic circuit system, and a first voice coil and a second voice coil which are respectively connected with the first vibrating diaphragm and the second vibrating diaphragm; the conductive part is arranged on the shell and provided with a first bonding pad, a second bonding pad and an outer conductive part, the first bonding pad and the second bonding pad are arranged in the first direction and are close to the first vibrating diaphragm and the second vibrating diaphragm respectively, the first direction is the vibration direction of the vibration system, and the second direction is the vibration direction of the vibration system; the first voice coil and the second voice coil are electrically connected with the first bonding pad and the second bonding pad respectively, and the outer conductive part is exposed out of the side surface of the shell and electrically connected with an external circuit. According to the sound production device provided by the invention, the number of the outer conductive parts outside the shell is reduced, the assembly space of the whole machine is saved, and the miniaturization design of a product is facilitated.

The present disclosure provides a chip package for power modules including at least one semiconductor die; a driver circuit for controlling the at least one semiconductor die; a protective layer formed on a die active surface of the at least one die and a driver active surface of the driver circuit; a metal unit having at least one metal feature; and a molding layer for encapsulating the at least one semiconductor die, the driver circuit, the protective layer and metal unit. The chip package is connected with an external circuit via the at least one metal feature. The present disclosure also provides a method of making the chip packages for power modules.

The invention discloses a MicroLED chip packaging unit, a head-mounted display device and a preparation method of the MicroLED chip packaging unit. The MicroLED chip packaging unit comprises a substrate and a MicroLED chip, and the substrate is provided with a plurality of first bonding pads which are insulated from one another; the MicroLED chip is arranged on the first surface and is electrically connected with the first bonding pad. According to the packaging structure of the MicroLED chip, the packaging structure can be connected with an external circuit board through the first bonding pad on the substrate, so that control over the MicroLED chip is achieved, the size of the packaging unit of the MicroLED chip can be made to be smaller, universality is better, the defect that an existing packaging structure for packaging the MicroLED chip on the flexible circuit board is insufficient in application scene is overcome, and the inventory risk is reduced. Moreover, the MicroLED chip packaging unit can be welded and connected with an external circuit board through a reflow soldering mode, and the connection is very convenient.

The invention discloses an air suspension dryer, and aims to solve the problems that the sealing effect is poor in the heating process of a traditional dryer, and the sealing performance and the heating effect of the dryer are affected. The air suspension dryer comprises a dryer body, a heating assembly and a heat insulation cover, and the dryer body and the heating assembly are located in the heat insulation cover; the heating assembly comprises a first insulating layer, a heating resistance layer and a second insulating layer, the first insulating layer, the heating resistance layer and the second insulating layer are sequentially arranged on the outer side of the dryer body, the heating resistance layer is connected with an external circuit, and a gap is formed between the second insulating layer and the heat insulation cover. The heating assembly is directly sintered or attached to the outer side of the dryer body, and the heating function and the drying function are highly integrated. The external heating assembly can prevent the initial structure of the dryer body from being changed, and the sealing performance of the dryer body is ensured. The general arrangement design is facilitated, and meanwhile, the production and assembly cost can be reduced.

The invention discloses an active regulation and control type piezoelectric acoustic coding metasurface and a use method thereof in the acoustic field, the acoustic coding metasurface comprises a plurality of active regulation and control type piezoelectric acoustic coding units, and each active regulation and control type piezoelectric acoustic coding unit comprises a shell, a piezoelectric composite sheet and an external circuit; the two ends of the shell are open, and piezoelectric compacts are embedded in the shell. The piezoelectric compacts divide the interior of the shell into two symmetrical Helmholtz resonators. The piezoelectric composite sheet is connected with an external circuit of the shell; the external circuit switches open and short circuit states, so that the transmission phase difference of sound waves with working frequency is pi after passing through the active regulation and control type piezoelectric acoustic coding unit, and the sound waves are respectively used as a coding type 0 and a coding type 1. According to the invention, the problems of insufficient reconfigurable capability and slow switching response speed of the existing acoustic coding metasurface are solved.

An integrated triggering system for a pulsed-power driver is presented. The triggering system includes a pulse distribution circuit that couples externally generated trigger pulses to midplanes of a limited number of stages of the pulsed-power driver. The pulse distribution circuit includes common midplane nodes, each coupled to a group of midplanes of a same stage via respective isolating inductors. Isolating elements are coupled between the common midplane nodes of a same stage. The triggering system further includes a protection circuit configured to reduce coupling of high voltages triggered at the midplanes to external circuits while allowing the trigger pulses to couple to the midplanes. The protection circuit includes a high pass filter comprising a capacitor. The triggering system further includes a midplane biasing circuit configured to provide a reference ground to the midplanes of all stages. The midplane biasing circuit includes a resistive ladder with nodes coupled to the midplanes.

The invention discloses a magnetic resonance image signal-to-noise ratio intensifier based on a flexible spiral structure and a determination method, and relates to the field of magnetic resonance imaging, and the magnetic resonance image signal-to-noise ratio intensifier based on the flexible spiral structure comprises a metal wire, a substrate and a passive detuning external circuit. The metal wire is arranged on the surface of the substrate; the passive detuning external circuit is connected in parallel with the metal wire; the passive detuning external circuit comprises two external capacitors which are connected in parallel and two diodes which are reversely connected in parallel; the two diodes which are reversely connected in parallel are connected in series with the external capacitor; and the two diodes which are reversely connected in parallel are used for controlling the state of the external capacitor so as to adaptively regulate and control the resonance mode of the magnetic resonance image signal-to-noise ratio intensifier. According to the method, the signal-to-noise ratio of the magnetic resonance image can be enhanced, and clear magnetic resonance imaging is obtained.

The invention discloses a low-loss high-frequency transformer based on nanocrystalline alloy, and belongs to the technical field of transformers, the low-loss high-frequency transformer comprises a mounting plate, an n-shaped framework, a columnar magnetic core, a winding and a protective heat dissipation mechanism, the columnar magnetic core is of a three-column type composite structure and is formed by staggering and laminating nanocrystalline thin film layers and ferrite sheet layers, a stepped air gap structure and an insulating isolation layer are arranged on the outer surface; and the winding leading-out end is connected with an external circuit through symmetrically distributed plug connectors. The protective heat dissipation mechanism is composed of an epoxy layer containing boron nitride filler, a heat conduction ring, heat dissipation fins, a heat dissipation fan and a flow guide plate. The advantages of nanocrystalline and ferrite materials are combined, a composite heat dissipation system is matched, the magnetic core loss under the high-frequency working condition is remarkably reduced, temperature rise is effectively controlled, the insulation performance and assembly stability are improved, low-loss, high-efficiency and high-stability operation is achieved, and the requirements of the fields of new energy automobiles, photovoltaic energy storage and the like are met.

The invention relates to a piezoelectric type negative stiffness collaborative vibration absorption supporting rod for a helicopter rotor dynamic load. The piezoelectric type negative stiffness collaborative vibration absorption supporting rod comprises an upper supporting rod body, a lower supporting rod body and a vibration absorption assembly which is arranged between the upper supporting rod body and the lower supporting rod body and used for vibration isolation. The vibration absorption assembly comprises an auxiliary circular ring used for bearing a static load, a lever spring and a disc spring used for providing negative stiffness and adjustable pre-compression are arranged in the auxiliary circular ring, and a mass block used for absorbing and dissipating vibration energy is arranged below the disc spring; the two sides of the lever spring make contact with the piezoelectric ceramic stack, the piezoelectric ceramic stack is connected with the multi-mode external circuit module, the multi-mode piezoelectric shunt damping effect is formed, and meanwhile a plurality of mode components of the system are controlled. When vibration is large, electric energy is stored, and when vibration is small, the mode is switched to a multi-mode RLC circuit dissipation mode, and mechanical vibration energy is converted into electric energy which is consumed through the circuit. Negative stiffness dynamic low-frequency broadband vibration absorption and piezoelectric shunt multi-mode suppression are coupled, and the effect of efficient vibration isolation is achieved.

The application provides a temperature self-compensation strain sensor sensitive layer composite material and a preparation method thereof, and belongs to the technical field of functional materials. The composite material is prepared from raw materials including the following mass percentages: metal nanoparticles 25-35%, insulating oxide nanoparticles 2-3%, dispersing agent 0.1-0.5%, and the balance solvent; the metal nanoparticles have a positive temperature coefficient of resistance; and the insulating oxide nanoparticles include aluminum oxide nanoparticles, silicon oxide nanoparticles, zirconium oxide nanoparticles or chromium oxide nanoparticles. The composite material provided by the application can be used as a sensitive layer of a temperature self-compensation strain sensor, can avoid strain signal disturbance caused by environmental temperature changes, can make the strain sensor have a temperature self-compensation function, and can further simplify the system of the strain sensor without using an external circuit and without changing the size and structure of the strain sensor.

According to the MEA electrolytic cell device and method for electrocatalytic carbon dioxide reduction, in the device, a left-end negative plate and a right-end negative plate are connected with a direct-current power source cathode; the middle anode plate is arranged in the center of the device and connected with a direct-current power anode; the multiple small electrolysis chambers are axially and symmetrically arranged on the two sides of the middle anode plate and are divided into a left group and a right group, the small electrolysis chambers in each group are connected in series in a circuit to form a left side integrated electrolysis chamber and a right side integrated electrolysis chamber, and the left side integrated electrolysis chamber and the right side integrated electrolysis chamber are electrically isolated through the middle anode plate. The electrolysis cells are connected in parallel in an external circuit to form a series-parallel cooperative circuit structure, each electrolysis cell comprises a cathode and anode composite plate, a composite plate insulating spacer, a cathode gas diffusion layer, a membrane electrode and an anode catalytic electrode, one side of each cathode and anode composite plate is a cathode surface, and the other side of each cathode and anode composite plate is an anode surface for accommodating a cathode assembly and an anode assembly respectively; and the cathode and anode composite plate is provided with a diagonal hole flow channel.

The invention relates to the field of infrared spectrum detection integrated chips, in particular to a metasurface coupling dynamic filtering infrared tunable spectrum encoder which comprises a fixed mirror, a movable mirror and a supporting layer. The moving mirror is of a folding cantilever structure. The movable mirror and the fixed mirror are bonded with each other. The supporting layer is located between the movable mirror and the fixed mirror and supports the movable mirror and the fixed mirror, a suspension layer is formed between the movable mirror and the fixed mirror, electrode connection between the movable mirror and the fixed mirror is completed, and the first-stage dynamic tuning function is completed. And the fixed mirror and the movable mirror electrode are connected to an external circuit. When an external circuit applies bias voltage to the fixed mirror and the movable mirror, the folding cantilever structure is bent, the height of the suspension layer is changed, and filtering tuning is achieved. A more stable suspended micro-bridge structure is adopted, the filtering structure is more compact, and a filtering optical channel with a larger area is obtained. A metasurface light splitting structure is also integrated, namely, a multi-stage dynamic light splitting coding effect is achieved, and a fine bandwidth spectrum effect is achieved. And meanwhile, the metasurface light splitting structure comprehensively utilizes incident light.

The utility model provides a sewage pollutant treatment device. The sewage pollutant treatment device comprises an anode chamber, a cathode chamber, a cation exchange membrane, an aeration structure and a data acquisition system, the anode chamber contains electrogenesis bacteria liquid containing electrogenesis bacteria; an anode carbon rod is inserted into the anode chamber and is filled with an anode graphite carbon felt; a cathode carbon rod is inserted into the cathode chamber, and a cathode graphite carbon felt is arranged on the cathode carbon rod; the cation exchange membrane is arranged between the anode chamber and the cathode chamber, and the cation exchange membrane is a proton exchange membrane; the conventional pollutants in the sewage are decomposed by utilizing electrogenesis bacteria in an anode solution in the anode chamber, chemical energy is converted into electric energy, and electrons and protons are generated; electrons reach the cathode through an external circuit, and protons are transmitted to the cathode chamber through the cation exchange membrane; the aeration structure is communicated with the cathode chamber, oxygen dissolved in the cathode chamber is combined with electrons and protons to generate H2O2, then the H2O2 and Fe < 2 + > are subjected to a Fenton reaction to generate hydroxyl radical.OH, and the hydroxyl radical.OH mineralizes novel pollutants in a cathode solution.

The utility model discloses an electronic paper system, which comprises at least one dot-matrix electronic paper, at least one segment code electronic paper and an external circuit, the dot-matrix electronic paper comprises a first electrode and a driving module, and the driving module is used for outputting voltage to the first electrode through a driving output end of the driving module so as to drive the dot-matrix electronic paper to display; the segment code type electronic paper comprises at least one second electrode, and the driving module of any dot-matrix type electronic paper serves as a combined driving module; the external circuit comprises a gating module, the gating module comprises an input end and at least one output end, the at least one output end comprises at least one first output end, and the first output end corresponds to the second electrode; the input end of the gating module is connected with the driving output end of the combined driving module, the first output end of the gating module is connected with the corresponding second electrode, and the gating module is used for communicating the input end of the gating module with one first output end in a time-sharing manner, so that richer colors and information presentation are realized.

The invention provides a coupling stiffness disturbance type MEMS modal localization accelerometer, which is characterized in that a core sensing unit adopts a double-tuning-fork resonator parallel arrangement configuration, and an offset weak coupling resonance system is designed and constructed through the difference of equivalent support stiffness parameters. The outer tuning fork resonator is directly connected with the sensitive mass block, the inner tuning fork resonator realizes full-constraint fixation through a base anchor point, and the outer tuning fork resonator and the inner tuning fork resonator form a double-tuning-fork electrostatic weak coupling resonant structure through an electrostatic coupling parallel plate, so that energy transfer between resonant units is realized. The mechanism of the accelerometer is different from that of a traditional rigidity or quality disturbance mode localization sensor, when the accelerometer is subjected to the action of external acceleration, the inertial micro displacement of the accelerometer is converted into coupling rigidity change of the weak coupling resonance system, the resonance unit amplitude ratio of the weak coupling resonance system is detected through an external circuit, and the detection accuracy is improved. Therefore, the detection of coupling rigidity disturbance is realized, and finally the high-sensitivity detection of the measured acceleration is realized.

This breaker (100) is provided with: a first terminal piece (1) that is connected to an external circuit; a second terminal piece (2) that has a fixed contact (21); a movable piece (4) that has an elastic part (43) and a movable contact (41), is connected to the first terminal piece (1), and presses the movable contact (41) to bring the movable contact (41) into contact with the fixed contact (21); a thermally-actuated element (5) that is in contact with the movable piece (4) and deforms as the temperature changes, thereby causing the movable piece (4) to transition from a conductive state to a cut-off state; and a resin base (7) for accommodating the first terminal piece (1), the second terminal piece (2), the movable piece (4), and the thermally-actuated element (5). The breaker (100) further includes a heat detection terminal (6) that protrudes from the bottom surface of the resin base (7), receives heat from the outside of the resin base (7), and transmits the heat to the thermally-actuated element (5).

The invention discloses a surface acoustic wave hydrogen sensor based on a platinum and graphene composite film and a manufacturing method thereof, and belongs to the technical field of gas sensors, the surface acoustic wave hydrogen sensor comprises a piezo-electric crystal, the piezo-electric crystal is oppositely provided with a first interdigital transducer and a second interdigital transducer, a graphene film is deposited on the piezoelectric crystal and located on a sound propagation path between the first interdigital transducer and the second interdigital transducer, a platinum catalyst layer film is deposited on the surface of the graphene film, and the first interdigital transducer and the second interdigital transducer are connected with an external circuit through metal pins. The external circuit comprises a signal generator, a frequency meter and a data acquisition system, the signal generator generates an excitation signal and transmits the excitation signal to the first interdigital transducer through the metal pin, and a detection signal generated by the interdigital transducers is received by the data acquisition system and then is detected and compared through the frequency meter. The problems that an existing pure graphene hydrogen sensor is low in sensitivity, poor in selectivity and slow in response time can be solved.

The invention belongs to the technical field of wastewater treatment and energy recovery, and particularly relates to a self-driven electro-catalysis system for activating persulfate to degrade antibiotics and application of the self-driven electro-catalysis system. The invention provides a self-driven electro-catalysis system for activating persulfate to degrade antibiotics. The self-driven electro-catalysis system comprises a reaction unit, an electrolyte and an external circuit wire, the reaction unit comprises a cobalt sheet anode and a carbon rod cathode; the external circuit lead is used for connecting the cobalt sheet anode and the carbon rod cathode; and an electrolyte in the electrolyte solution comprises Na2SO4. According to the self-driven electro-catalysis system, in a wastewater solution containing antibiotics, persulfate and supporting electrolyte, an external power source is not needed, spontaneous electron transmission is formed through the potential difference of the cobalt sheet anode and the carbon rod cathode, and self-driven PMS activation and antibiotic pollutant degradation are achieved.

The invention discloses a multi-color micro-display unit assembly and a micro-display optical machine, and relates to the technical field of micro-display.The multi-color micro-display unit assembly comprises a circuit board, a first-color micro-display unit, a second-color micro-display unit, a third-color micro-display unit and a connector, and the first-color micro-display unit, the second-color micro-display unit, the third-color micro-display unit and the connector are all connected to the circuit board; therefore, the relative positions and angles of the first-color micro-display unit, the second-color micro-display unit and the third-color micro-display unit can be adjusted, the multi-color micro-display unit assembly can be conveniently assembled with the light combination assembly, and the multi-color micro-display unit assembly only needs to be provided with one connector to be connected with an external circuit, so that the multi-color micro-display unit assembly can be conveniently assembled with the light combination assembly. According to the multi-color micro-display unit assembly, each micro-display unit does not need to be independently provided with a connector, the structure is more simplified, the size of the multi-color micro-display unit assembly can be made smaller, and then the installation space needing to be occupied is reduced.

The utility model relates to the technical field of battery equipment, in particular to a battery with a power generation function, which comprises a battery shell, a power generation element and an energy storage element, the power generation element is arranged at one end, close to the knob, in the battery shell, the energy storage element is arranged at one end, away from the knob, in the battery shell, the input end of the power generation element is connected with the knob, the output end of the power generation element is electrically connected with the input end of the energy storage element, and the output end of the energy storage element is connected with the positive electrode of the battery; the power generation element generates power supply electric energy when the knob rotates and transmits the power supply electric energy to the energy storage element; and the energy storage element stores the received power supply electric energy, and outputs the stored electric energy to supply power to the outside in the discharging process of the battery. The rotary knob is rotated to drive the power generation element to generate power, the energy storage element is used for storing electric energy, the battery can independently supply power after being connected with an external circuit, and the battery can be supplemented in time after being used up outdoors or under the condition that battery supplement is inconvenient to obtain.

The invention comprises a micro-fluidic chip and an immunodetection method. The micro-fluidic chip comprises a reaction layer substrate and a micro-channel sample adding layer positioned on the reaction layer substrate; the reaction layer substrate comprises a base, a three-electrode part prepared on the base and a contact metal pad connected with an external circuit, and the three-electrode part comprises a working electrode, a reference electrode and a counter electrode; a plurality of micro-channel grooves are formed in the bottom of the micro-channel sample adding layer, a plurality of up-down through inflow holes and outflow holes are formed in the micro-channel sample adding channel layer, and the two ends of each micro-channel groove are communicated with the inflow holes and the outflow holes respectively. The micro-fluidic chip is designed through photoetching, PVD and other technologies, the chip comprises a plurality of micro-channels, interference of the external environment to the detection process can be reduced through testing in a closed environment, and the micro-fluidic chip has the rapid, stable and high-throughput detection function and can be applied to bedside detection.