30results about How to "Realization scope" patented technology

The invention discloses an earthquake monitoring device. The device consists of a central control terminal and a sensor probe under ground, wherein, a light pulse signal is generated from a light source part of the central control terminal, transmitted to the underground sensor probe in an deep ground environment over an optical fiber, then the light pulse signal is changed into 3 discrete modulated pulse signals in time domain after being vibrated, strained and temperature-modulated in the probe in the deep ground, and the modulated pulse signals return to an information demodulation section of the central control terminal for photoelectric conversion, amplification, data processing to complete demodulation, thus realizing real-time monitoring and alarming of parameters of vibration, strain and temperature in the deep ground. The device has the advantages of low production cost, simple installation, high accuracy and good practicability, being convenient to form a network of stations, and realizing stereoscopic multiparameter monitoring on the deep ground environment in a large range.

The invention provides an underwater three-dimensional detection gliding robot. The robot comprises an appearance system, an internal adjusting system, and a control system; the internal adjusting system and the control system are arranged in the inner side of the appearance structure; and the control system is used to communicate and control the internal adjusting system. The appearance system is in a streamline shape and is provided with a communication part, so that the system has the advantages of low energy consumption, strong autonomy and enduring performance, low maintenance cost, little dependence on mother ship, and capability of achieving cooperative work, and fully satisfy the requirements of large scale, long period, and large size on sea environment supervision. The internal adjusting system comprises a pitching adjusting part, a rolling adjusting part, and a floating force adjusting part so as to make the robot have two work states: a linear gliding and a spiral gliding, so that fixed point spiral covering type sea supervision and vertical cross-section zigzag cruising supervision can both be realized, and a tri-dimensional supervision from the horizontal level to the deep sea is actually achieved.

The invention relates to the underwater robot, comprising a tapering body, parallel middle body, electric control body, horizontal sliding fin, vertical stable fin, and all kinds of drive devices, with the vertical stable fin fixed to the tapering body, floating device fixed to the tapering and parallel middle body, radio digital transmission station installed on the fixed bracket of the floating adjusting device, horizontal sliding fin fixed to the outside and parallel middle part, pitch angle adjustment device fixed to the front and middle part, electric control part connected wit the horizontal rolling angle adjustment device and elevation angle adjusting device, motor driver installed on the fixed rack, connected with the synchronic motor, front sensor installed inside it, and the emergency treatment device fixed on the bracket with the floating adjustment device. It can effectively improve the space, time density of the ocean, with low cost, and wide application.

The invention discloses a main operation platform for a minimally invasive surgery robot. The main operation platform comprises a base, a lifting platform is vertically connected on the base through a spiral lead screw pair, an image display system and a supporting ring arm are respectively and fixedly mounted on the upper side of the lifting platform, a left main manipulator and a right main manipulator are fixed on left boss and the right boss at the front end of the supporting ring arm respectively, the structure of the left main manipulator is as same as that of the right main manipulator, and both the left main manipulator and the right main manipulator comprise position adjustment structures and posture adjustment structures. The main operation platform integrates multiple functions such as image display and motion control, the structural complexity of the robot is reduced, operable comfort of the robot is improved, and wide-range motion and flexible control can be achieved.

The invention provides an underwater array scanning laser imaging device comprising a carrier (1), an electrical module (19) and an imaging module (18), wherein the carrier (1) is the shell of the whole device; the electrical module (19) comprises a lighting laser (15), a combined inertial navigation unit (16) and a control processing unit (17); components of the electrical module (19) are fixed on two sides of an installation plate (22), and fixed with the carrier (1) via the installation plate (22); the imaging module (18) comprises a pitching servo mechanism (5), a rolling servo mechanism (6) and an optical imaging module (14); the optical imaging module (14) comprises an imaging lens (7), a filtering plate (8), a hating imaging sensor (9) and a lighting lens (10); laser emitted by the lighting laser (15) can be transmitted to the lighting lens (10) via an energy transmission optical fiber (11). The device provided by the invention has the characteristics of being miniature, and capable of achieving array scanning under water.

The invention discloses a method for controlling an automatic gain and dynamic range of a voice based on a sliding gain. The method comprises the following steps: setting a gain array which comprises a plurality of gain values arranged according to a number order and a plurality of indexes arranged according to the number order, wherein each index points to a gain value correspondingly; after receiving current frame voice data, searching the maximum value of signal amplitude in voice data which contains the current frame voice data in a time length of recent S seconds, and searching a current optimal gain value in the gain array according to the maximum value; and controlling the sliding gain of the voice and the dynamic range thereof by using the current optimal gain value. The method has small calculation amount, reduces the burden of a terminal computer and is easy to implement on a DSP chip.

The invention discloses a distributed fiber laying method, and the method comprises the steps: 1, determining the spatial resolution required by the monitoring; 2, calculating the side length of a network structure according to the spatial resolution determined at step 1; 3, carrying out the laying of lateral distributed fibers; 4, carrying out the laying of longitudinal distributed fibers; 5, enabling the ports of the lateral distributed fibers and longitudinal distributed fibers to be connected to an optical fiber sensing analyzer. The method provided by the invention is high in resolution.

The invention relates to a catalytic flare ignition device used in artificial rainfall of an unmanned aerial vehicle. The ignition device comprises a driving device, an interlocking device and an electrode holding disk, wherein the electrode holding disk is provided with a plurality of fixed electrodes and at least one rotating electrode; each fixed electrode is connected with electrodes of each of flare insertion barrels below wings on both sides of the unmanned aerial vehicle; the driving device drives the interlocking device; the interlocking device drives the rotating electrode to rotate around the central point of the electrode holding disk; and when the rotating electrode rotates to any of the fixed electrodes, the rotating electrode and the fixed electrode trigger the flares in the flare insertion barrels below the wings on both sides of the unmanned aerial vehicle to ignite. Since the driving device drives the interlocking device, and the interlocking device drives the rotating electrode to rotate around the central point of the electrode holding disk and to be contacted with a plurality of other fixed electrodes respectively in turn as required, the flares in the flare insertion barrels are ignited in turn according to a sequence to realize the silver iodide spraying range and effect of predetermined artificial rainfall.

The invention discloses a non-contact optical component surface profile measuring device and a method thereof. The device includes a host computer, an electronic control module, a probe supporting structure, an optical probe, a to-be-measured element, an element clamping device, a Z-axis electric translation stage, a dial indicator and an XY-axis electric translation stage; and the optical probe projects a focusing light spot on the surface of the to-be-measured element, and the light spot forms a three-hole bright spot through a three-hole diaphragm after being reflected back to an object lens. As the distance between the bright spots is related to the height position of the light spot, surface thicknesses can be obtained by collecting images in real time to calculate the distance betweenthe bright spots; in order to increase a height measuring range, the Z-axis electric translation stage can be used to move the to-be-measured element up and down, and the dial indicator can be used to measure the position of the element; and compared with traditional contact surface profile measuring systems, the device has the advantage of being non-contact, so that influences on the surface ofthe element can be avoided, and large measuring scope and high precision can be obtained.

The invention discloses a high-power high-frequency switching power supply module and a device. The high-power high-frequency switching power supply module comprises an alternating-current input port,a rectifier bridge module, a power factor correction circuit, an LC filter circuit, at least one high-frequency DC / DC conversion module, an output filter capacitor, an output current sensor, a direct-current output port and a control module. The high-frequency DC / DC conversion module is composed of a high-frequency inverter bridge, a resonant inductor, a resonant capacitor, a high-frequency transformer, a high-frequency rectifying circuit, a high-frequency filtering capacitor and a current transformer. The input ends of N high-frequency DC / DC conversion modules are connected in parallel, andthe output ends of N high-frequency DC / DC conversion modules are connected in series or in parallel. The power supply module is simple in overall structure, can achieve high-power, low-ripple and low-load effect output, and can solve the technical problems that some equipment power supplies cannot meet the requirements of high power, high efficiency, high power factor, high power density, low output ripple, and being easy to replace and maintain at the same time.

The invention relates to a pulmonary function examination system with an automatic seat adjustment function and an application method of the system. A supporting base is fixedly installed on a base, apulmonary function examination instrument is fixedly installed on the supporting base, and two parallelly-arranged horizontal supporting rods are fixedly installed at the top of the supporting base;a rotation shaft is fixedly installed between the ends of the two horizontal supporting rods, a rotation sleeve sleeves the outer side of the rotation shaft, and a first leakage hole and a second leakage hole are formed in the rotation cylinder; connection pipes are installed in the second leakage hole, the first leakage hole and the rotation cylinder, one end of each connection pipe is communicated with an air inlet through an air conveying pipe, and the other end of each connection pipe is communicated with an oral cavity anastomat; an automatic seat adjustment device is installed on the portion, of the base, below the corresponding position of the oral cavity anastomat, the supporting base is of a cuboid cavity structure, and a distributor plate is installed in the supporting base; an external power line is arranged at the outer side of the distributor plate, and the pulmonary function examination instrument is connected with a computer analysis mainframe through a wire and the distributor plate. The system helps to smoothly carry on air blowing operation, all-around comprehensive improvement is conducted from the precision degree of a detection result and the use experience ofa patient, and the system has great social and economic benefits.

The invention discloses a liquid membrane lens combined zoom optical system, and belongs to the technical field of the zoom optical system. The system is mainly formed by combining multiple liquid membrane lens, and further comprises a lens cone for fixing multiple liquid membrane lens, a liquid injection control system for controlling the liquid membrane lens liquid injection, and an imaging resolution analysis system. The amount and combined arrangement of the liquid membrane lens are determined according to the zoom range, the lens back focal length and an aberration compensation requirement, the liquid injection control system is used for controlling the surface deformation of each liquid membrane lens to realize single liquid membrane lens zoom, and the large-range zoom and aberrationcorrection can be realized through the zoom combination of multiple liquid membrane lens. The imaging of the liquid membrane lens combined zoom optical system is output to the imaging resolution analysis system, the imaging resolution analysis system is used for performing resolution analysis on an imaging result, the feedback control is performed on the liquid injection control system accordingto the resolution analysis result, thereby realizing the automatic zoom and aberration compensation of the liquid membrane lens combined zoom optical system.

The embodiment of the invention provides a volume holographic grating manufacturing device, a volume holographic optical waveguide and a manufacturing method and application thereof. The manufacturing device comprises a laser light source, a light splitting unit, a first reflection unit, a second reflection unit, a first prism, a volume holographic film and at least one gradual change attenuation sheet; or the manufacturing device comprises a laser light source, a light splitting unit, a first reflection unit, a second reflection unit, a first prism, a second prism, a volume holographic film and at least one gradual change attenuation sheet. The manufacturing device is simple and high in yield. Meanwhile, the volume holographic optical waveguide can be manufactured by cutting the exposed volume holographic film. By means of the mode, large-scale mass production can be realized, and the production efficiency is improved. When the manufactured volume holographic optical waveguide is applied to near-eye display equipment, a large field angle and a large eye movement range can be realized.

The invention discloses a near-space dark and weak target orienting device based on color infrared spectrum common-aperture imaging. The near-space dark and weak target orienting device comprises a color infrared common-aperture imaging sensor, a two-dimensional servo orienting mechanism, a comprehensive control unit, a secondary power supply and the like. According to the invention, a multispectral detection scheme based on a color infrared common aperture optical system is adopted, the advantages of visible light detection and infrared detection schemes are integrated, an image compression spatial domain filtering and high-speed signal processing technology is adopted, and based on a single-frame multispectral image data fusion processing algorithm and a multi-frame sequence moving target filtering matching algorithm, all-time tracking of a dark and weak target in a near space is achieved.

The invention discloses a government affair big data super search method, which mainly solves the problem of efficient query and retrieval of large-scale structured data by adopting an ElasticSearch + MPP architecture, can efficiently realize keyword full-text retrieval, pinyin retrieval, range retrieval, logic combination retrieval and portrait retrieval, and can flexibly configure display fields of search results. The problems that an existing retrieval mode is low in retrieval query efficiency, few in retrieval data type, insufficient in retrieval range, difficult in search result display and modification and the like are solved, and meanwhile, rapid and comprehensive query and viewing of detail information of search results can be realized in combination with MPP DB, HDFS and Neo4j multi-type data storage modes.

The invention discloses an ionosphere anomaly monitoring and early warning method based on a monitoring station network, and belongs to the technical field of satellite navigation. The method comprises the following steps that sub-networks are divided; ionosphere space gradient monitoring and single-station ionosphere delay time gradient monitoring based on observed quantity difference are executed; the state of an ionosphere puncture point is determined; the state of the puncture point is further determined for the sub-network center station with the undetermined state; the comprehensive information processing equipment estimates a predicted influence range of regional wide-area anomaly and a real-time influence range of local disturbance; and the comprehensive information processing equipment provides alarm information for the user whose puncture point is in the real-time influence range, and provides early warning information for the user whose puncture point is in the predicted influence range. According to the method, the anomaly influence range and the predicted influence range can be estimated, and the method has the characteristics of high real-time performance and high monitoring capability.

The invention discloses a high-light-transmittance heat-adjustable microwave absorption optical window based on a thermally induced phase change material, and belongs to the field of optical transparent electromagnetic shielding and microwave absorption. The high-transmittance microwave absorption light window is composed of a patterned thermally induced phase change material layer, a transparent medium layer and a transparent microwave shielding layer, wherein the patterned thermally induced phase change material layer and the transparent microwave shielding layer are respectively arranged on two sides of the transparent medium layer in parallel. On the premise of high optical transparency, continuous change of the absorptivity of the optical window can be achieved by controlling the temperature, and the peak absorptivity of the optical window at the peak temperature can be nearly 100%. In addition, the peak temperature of the microwave absorption optical window can be adjusted by controlling the sheet resistance of the thermally induced phase change material and the duty ratio of the patterned thermally induced phase change material layer. The application of the phase change material in the GHz field is expanded, and the phase change material has the advantages of being flexible in design, adjustable in heat, wide in application range and the like.

The invention discloses a cooperative low-altitude airspace target monitoring system, which comprises a portable comprehensive monitoring module and a portable flight dynamic monitoring module. The portable comprehensive monitoring module comprises a first carrying tool, an ADS-B ground receiving station, a comprehensive data link radio station and multi-functional access equipment. The portable flight dynamic monitoring module comprises a second carrying tool and a flight dynamic monitoring terminal. The ADS-B ground receiving station, the comprehensive data link radio station and the multi-functional access device are installed in the first carrying tool, and the first carrying tool is provided with an ADS-B antenna, a GNSS antenna, a radio station antenna, an internal data interface and an external data interface. The flight dynamic monitoring terminal is installed in the second carrying tool and is provided with a data interaction interface, and the data interaction interface can be connected with the internal data interface. According to the invention, the low-altitude airspace can be effectively monitored, and maneuvering is carried out.

The invention provides an elastic thin-wall part dynamic machining bearing device and method. The device is suitable for machining a light thin-wall part. The device comprises a bearing top plate, a motion mechanism and a bearing base. The bearing top plate is of an integrated structure, a disturbance compensation device is arranged on the bearing top plate, and the motion mechanism comprises a transverse moving mechanism and a posture adjustment mechanism. The bearing device achieves absorbing fixing of the elastic thin-wall part through pneumatic adsorption, the motion mechanism comprises the transverse moving mechanism and the posture adjustment mechanism, large-range transverse moving and posture adjusting of the bearing device can be achieved, real-time monitoring feedback of disturbance behaviors of the elastic thin-wall part can be achieved while bearing of the elastic thin-wall part is achieved, the disturbance behaviors of the elastic thin-wall part in the dynamic machining process can be compensated for, and the new scheme can be provided for high-precision machining bearing of the elastic thin-wall part.

The invention discloses a verifiable range query method based on ciphertext spatio-temporal data. The method comprises the following steps: step 1, a data owner generates different keys required in the whole verifiable range query process; step 2, a G-tree index structure is constructed by using a Hierachic cell based encoding algorithm, and the G-tree index structure is used for representing a G-tree index; 3, converting a query range request corresponding to spatio-temporal data sent by a query user into a prefix set in the G-tree index structure, and storing the prefix set into an accumulator to obtain a trap door of the range query request corresponding to the spatio-temporal data; and step 4, the cloud server searches the G-tree index structure according to a range query trap door corresponding to the spatio-temporal data to obtain a search result and verification information, and a query user verifies the search result to obtain the integrity of the search result. According to the method, the range query and verification of the ciphertext spatio-temporal data can be realized at the same time, the calculation overhead is reduced, and the query and verification efficiency is relatively high.

The invention provides a disaster prevention and reduction early warning system based on satellite remote sensing big data. The disaster prevention and reduction early warning system comprises a remote sensing image acquisition module, a transmission module, an analysis module and an early warning module, wherein the remote sensing image acquisition module is used for acquiring a remote sensing image of a monitored region by a user and sending to the transmission module; the transmission module is used for transmitting the remote sensing image to the analysis module; the analysis module is used for receiving and storing the remote sensing image, extracting feature data contained in the remote sensing image, inputting the feature data into a pre-trained neural network model, and calculatingthe probability of debris flow through the neural network model; and the early warning module is used for sending an early warning prompt to related personnel when the probability is greater than a set probability threshold. According to the invention, large-scale early warning and timely early warning of debris flow are realized, and the life safety and property safety of people are guaranteed.

A multifunctional intelligent sensing magic cube structure comprises a magic cube bracket, a sensing assembly, a central control assembly and a power supply unit, wherein the sensing assemblies, the central control assembly and the power supply units are arranged on the magic cube bracket; the magic cube bracket comprises a cubic body, a first accommodating cavity is formed in the center of each face of the body, a plurality of second accommodating cavities are formed in the peripheral side of each first accommodating cavity, and the adjacent second accommodating cavities in the adjacent facesof the body are communicated with one another; the central control assembly is arranged in the first accommodating cavity, the sensing assemblies are arranged in the second accommodating cavities, and the power supply units are arranged at a cavity opening of the first accommodating cavity respectively. The multifunctional intelligent sensing magic cube structure can be carried by personnel or thrown to a preset place by means of an unmanned aerial vehicle, and is densely deployed in a related combat domain in a large range, so that low efficiency and danger of manual layout are avoided, andlarge-range reconnaissance and monitoring of the environment can be quickly realized.

The invention relates to the technical field of decorative energy-saving lamps. The invention further discloses an intelligent energy-saving lamp for indoor decoration. The lamp comprises a mounting plate, the left side of the mounting plate is rotationally connected with a connector; sliding cylinders are rotationally connected to the upper portion and the lower portion of the left end of the mounting plate. The left portion of the sliding cylinder is slidably connected with a piston rod extending to the connector, the left side of the connector is fixedly connected with a wire column, the left side of the wire column is fixedly connected with a fixing sleeve, an inner cavity of the fixing sleeve is slidably connected with a clamping sleeve, and the inner cavity of the clamping sleeve andthe inner cavity of the connector are each provided with a pressure air bag. The invention discloses the intelligent energy-saving lamp for indoor decoration. Alternating current is applied to the wire column, so that the movable column is affected by a magnetic field to reciprocate left and right, the connecting rod is pulled to expand and close a lamp tube, the movable column is matched to extrude the pressure air bag to enable the corresponding piston rod to move in the sliding cylinder, and the effects of changing the light intensity and range and enabling light display to be more vivid and lively are achieved.

The invention relates to the technical field of LED lamps, in particular to an LED reflector lamp rotating mechanism which comprises a lamp base, a lamp frame and a light emitting module. The light emitting module is arranged on the lamp frame. The lamp base is provided with a rotation ring. The lamp frame is connected with the rotation ring in a matched manner. The outer edge of an upper end opening of the lamp base is provided with a plurality of bent buckling plates. An outer ring sheet is arranged at the lower end of the rotation ring. The outer ring sheet is arranged between the bent buckling plates and the lamp base in a penetrating manner. The lamp base is provided with a position stop clamp matched with the outer ring sheet. The LED reflector lamp rotating mechanism is reasonable in structure, the integral forming structure is adopted in the lamp base, the rotation ring rotates in rotating grooves of bent buckling plate components, the rotating extent is visible, the position stop clamp and a scale groove are matched to prevent rotating of the rotation ring, a cutoff device is arranged at the zero position to prevent the situation that due to excessive operation, a circuitis damaged, multi-dimension projection covering of the light emitting module can be achieved by means of cooperation with the angle adjusting lamp frame, and the purposes of large range covering and precise projection design of the LED reflector lamp are achieved.

The invention provides a full-scale hydrazine propellant leakage detection system and method, and aims to solve the problems of test failure and safety accidents caused by leakage risks of existing hydrazine propellants in the processes of storage, transfer injection, filling and the like. The system comprises an acousto-optic infrared detector, a three-way electromagnetic valve, an electrochemical detector, a gas purging assembly and a control mechanism. The acousto-optic infrared detector is provided with a sampling point; an inlet end I of the three-way electromagnetic valve is communicated with an exhaust port of the acousto-optic infrared detector, a first outlet end of the three-way electromagnetic valve is communicated with an inlet end of the electrochemical detector, and a second outlet end of the three-way electromagnetic valve is communicated with the atmosphere; the outlet end of the electrochemical detector is communicated with the atmosphere through a first check valve; the gas purging assembly comprises a purging pump and a second check valve, one end of the second check valve is connected with the purging pump, and the other end of the second check valve is communicated with the inlet end of the electrochemical detector; and the control mechanism is used for controlling the actions of the three-way electromagnetic valve, the purging pump, the first check valve and the second check valve.

The invention discloses a multi-target three-dimensional information rapid acquisition photoelectric detection system, which comprises a two-dimensional scanning reflector, an optical reflector, an infrared laser splitting element, an infrared sensor, a laser reflector and a laser distance measuring sensor, and is characterized in that the pitch angle of the two-dimensional scanning reflector is manually controlled to determine the search tracking range of the infrared sensor; the optical reflecting mirror is located right above the two-dimensional scanning reflecting mirror, the pitch angles of the optical reflecting mirror and the two-dimensional scanning reflecting mirror are consistent, and the infrared laser splitting element is located on one side of the same horizontal plane of the optical reflecting mirror. The system has the functions of infrared imaging, searching and tracking, three-dimensional information acquisition and the like of a target, multi-dimensional information such as space, heat radiation and distance of the target can be acquired at the same time in one detection period, and imaging tracking, threat judgment and the like of the target are facilitated.

The invention provides a pharmaceutical experiment sampling device and a computer storage medium. The pharmaceutical experiment sampling device comprises a machine body for storing medicaments, a sensing module which is arranged on the machine body and is used for sensing and identifying a sampling vessel and adaptively fixing the outer wall of the sampling vessel, and a quantitative discharging module for driving the medicaments in the machine body to be quantified to the sampling vessel. The sampling vessels of different specifications are automatically identified and then are automatically matched and fixed, and the medicament is further quantitatively driven and transferred into the sampling vessels, so that the sampling operation of each medicament in the pharmaceutical experiment is effectively improved.

The invention discloses a pen writing display panel and a display device, and relates to the technical field of displaying. The pen writing display panel comprises a display area and a non-display area surrounding the display area, wherein the display area comprises an opening area and a non-opening area; the pen writing display panel includes a first substrate, a plurality of gate lines, a plurality of data lines, a light shielding layer, a photoelectric identification unit and a light transmitting unit; the plurality of gate lines extend along a first direction and are arranged along a second direction, the plurality of data lines are arranged along the first direction and extend along the second direction, the gate lines and the data lines are both located in the non-opening area, andthe first direction intersects with the second direction; the light shielding layer is positioned in the non-display area and the non-opening area; the photoelectric identification unit is positionedon one side, facing the light emitting surface of the pen writing display panel, of the first substrate, is positioned in the non-opening area and comprises a light sensing unit; the light transmitting unit corresponds to the light sensing unit, is positioned in the light shielding layer and is positioned in the non-opening area; the orthographic projection of each light transmitting unit to a plane on which the first substrate is located is overlapped with the orthographic projection of the light sensing unit to the plane on which the first substrate is located. Thus, the pen writing function is realized.

The invention discloses an early warning device for a rope near an electrified body and a monitoring and early warning method, and solves the problems that in the prior art, due to real-time change of minimum distance to the near electrified body of other types of near electrified body monitoring equipment, measured data are not consistent with the actual distance, and early warning cannot be carried out. The device comprises a power supply module, a control module, a positioning module, an alarm module, a wireless communication module, a display module and a terminal module, the terminal module is connected with the wireless communication module, and the power supply module, the positioning module, the alarm module, the wireless communication module and the display module are all connected with the control module. The method comprises the following steps: installing an early warning device, setting basic parameters on the terminal module, and transmitting the basic parameters to the control module; acquiring positioning data; enabling the control module to calculate a real-time minimum distance value; and comparing the basic value with the minimum distance value, and judging whether to carry out early warning or not. The minimum effective distance close to the electrified body can be measured and calculated in real time, and real-time early warning can be carried out.

The invention relates to a biological detection method and device based on a mobile phone. The method comprises the following steps: selecting N quantum dots with specific wavelengths to respectively mark N indexes to be detected in a sample; n is 1, 2 or 3; exciting the to-be-detected index-quantum dot compound by utilizing exciting light; shooting the excited compound for multiple times by using different sensitivities and different exposure time combinations to obtain a 16-bit depth RAW format first original image file; respectively photographing the unmarked quantum dots to obtain a 16-bit deep RAW format second original image file; calculating a proportionality coefficient matrix of fluorescence intensity of each quantum dot received by each channel in the second original image file; calculating the fluorescence intensity of each to-be-detected index-quantum dot compound of the first original image file; and obtaining the concentration of each to-be-detected index according to the fluorescence intensity to complete biological detection. According to the invention, the functions of the mobile phone are greatly expanded, and a wide dynamic range and multiple quantitative detection can be realized.