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217 results about "Photoresistor" patented technology

A photoresistor (or light-dependent resistor, LDR, or photo-conductive cell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity. A photoresistor can be applied in light-sensitive detector circuits, and light-activated and dark-activated switching circuits.

Temperature drift compensation of photoresistors

Disclosed herein is a method for determining at least one compensated detector signal for at least one photodetector. The at least one photodetector includes at least one detector element configured for generating at least one detector signal depending on an illumination of the at least one detector element. The method includes the following steps:a) determining at least one dark detector resistance by using the at least one detector element and inhibiting illumination of the at least one detector element;b) generating at least one bright detector signal by using the at least one detector element and allowing illumination of the at least one detector element; anddetermining at least one compensated detector signal for compensating at least one temperature drift of the at least one detector element by using at least one evaluation unit.Also disclosed herein are a method for determining at least one item of measurement information on at least one measurement object by using at least one photodetector, a photodetector and a spectrometer.
Owner:TRINAMIX GMBH

Multi-energy coupling intelligent power generation device integrating wind power, photovoltaic energy and wave energy

The invention discloses a multi-energy coupling intelligent power generation device integrating wind power, photovoltaic energy and wave energy, and belongs to the technical field of distributed energy systems. Aiming at the problems of high intermittency, low coupling efficiency, structural redundancy and the like of a traditional system, three power generation units are integrated through a rack: a wave power generation unit adopts a multi-directional articulated shaft-connecting rod-bevel gear pair and spur gear-rack transmission to construct a double-cooperative power generation path, and is matched with a guide rail sliding block and a reset spring; wave multi-degree-of-freedom energy is efficiently captured, and the transmission precision is ensured; the wind power generation unit decelerates and increases torque by using a box-type planetary reducer; and the photovoltaic power generation unit dynamically follows light through the double-shaft holder and the photoresistor array in combination with an MPPT (maximum power point tracking) algorithm. According to the invention, wave energy is mainly used, wind / light is coordinated and complementary, when wind power or photovoltaic power is influenced, the wave energy continuously supplies power, the traditional bottleneck is broken through, stable and efficient energy supply in water areas such as islands and oceans is realized, and compared with a traditional scheme, the wave energy utilization rate and the power supply stability are remarkably improved.
Owner:CHONGQING JIAOTONG UNIV

Efficient solar water heater

The invention provides an efficient solar water heater, and belongs to the technical field of solar water heaters. Comprising a support, and a base is fixed to the support and used for stably supporting the whole device. The reflecting plate is connected with a heat preservation water tank, the heat preservation water tank is installed on the top of the base, the reflecting plate is installed around the base and can rotate around the base, a vacuum heat collection pipe and a photoresistor are arranged on the side, facing the sun, of the reflecting plate, and the photoresistor is used for detecting the illumination intensity change and is connected with a fixed resistor in series. The voltage division circuit is connected to the two ends of a power supply and is used for generating different partial voltages according to the change of the resistance value of the photoresistor; the microcontroller is connected with the voltage division circuit and is used for detecting the change of the voltage at the two ends of the photoresistor in the voltage division circuit and judging whether the voltage exceeds a set threshold value or not; and the motor driver is connected with the microcontroller. According to the invention, the overall working efficiency can be improved by accurately tracking the sun.
Owner:浙江科隼新能源有限公司

Automatic extraction concentration and hot reflux extraction concentration unit

The invention relates to the technical field of extraction and concentration units, in particular to an automatic extraction and concentration hot reflux extraction and concentration unit which comprises an extraction box, a motor is fixedly connected to the bottom end of the extraction box, a stirring and heating rod is fixedly connected to the output end of the motor, and a heating part is fixedly connected to the outer wall of the stirring and heating rod. A real-time monitoring mechanism is arranged, a condensate amount monitoring assembly in the real-time monitoring mechanism monitors the pressure change generated on a water baffle when condensate in a detection pipe is accumulated through a pressure sensor, converts a pressure change signal into an electric signal and transmits the electric signal to a PLC, and therefore the amount of the condensate is monitored in real time; the condensate concentration monitoring assembly calculates the concentration of the condensate through a light-emitting plate and a photoresistor plate according to the change of the resistance value of the photoresistor plate caused by different light absorption and scattering degrees of the condensate with different concentrations, and the real-time regulation and control mechanism is electrically connected with the PLC, the heating piece and the stirring heating rod to form a regulation loop.
Owner:FUJIAN SANMING HERBAL TREASURE BIOENGINEERING CO LTD

PVD (Physical Vapor Deposition) vacuum coating machine

The invention relates to the technical field of PVD coating, in particular to a PVD vacuum coating machine which comprises a vacuum machine pump set, the top end of the vacuum machine pump set is fixedly connected with a fixing table, and the top end of the fixing table is fixedly connected with a vacuum coating tank; and the workpiece placing and rotating mechanism comprises a motor fixedly connected to the inner top wall of the vacuum machine pump set, the output end of the motor is fixedly connected with a rotating plate, and a supporting frame is detachably arranged at the top end of the rotating plate. In the detection assembly, when gas containing plating materials passes through a detection box, light rays emitted by a lamp panel can be shielded and absorbed, a photoresistor board detects the light ray intensity change, converts the light ray intensity change into electric signals and transmits the electric signals to a PLC, the PLC controls the power of an evaporation source, a motor and a vacuum arc ion source according to the signals, and therefore self-adaptive adjustment of parameters is achieved. And parameters are adaptively adjusted according to actual conditions, so that plating material supply is accurately matched with actual requirements.
Owner:JINMIKE (WEIFANG) NEW MATERIAL TECH CO LTD

LED illumination intelligent control system and method based on multi-condition decision

The invention discloses an LED illumination intelligent control system and method based on multi-condition decision, and relates to the technical field of intelligent illumination control, and the method comprises the steps: collecting and preprocessing environment data, and converting the environment data into a four-dimensional quantum state tensor through quantum feature mapping; analyzing various environmental data in the four-dimensional quantum state tensor, and generating a regional brightness target value; mapping the regional brightness target value into a PWM duty ratio, and executing LED illumination control according to the PWM duty ratio; the execution effect of LED illumination control is monitored through a photoresistor, deviation judgment is carried out on the execution effect and the regional brightness target value, and a judgment result is output; and according to a judgment result, dividing a conflict region, coding the PWM duty ratio of the conflict region into a quantum entanglement state, decomposing the quantum entanglement state, and generating a cross-region brightness adjustment rule. According to the method, the hyperedge connection strategy is defined by analyzing the environmental data, so that the accuracy of the regional brightness target value is remarkably improved.
Owner:ZHONGJU CHUANGNENG OPTOELECTRONICS TECHNOLOGY (WUHAN) CO LTD

Capsule endoscope convenient for switch control

The utility model discloses a capsule endoscope convenient for on-off control, which comprises a capsule shell, and a battery, a circuit board, a chip, an antenna, a lens module and an LED (light-emitting diode) are arranged in the capsule shell; the device further comprises an infrared photoresistor, an infrared laser light source, an ultraviolet photoresistor and an ultraviolet laser light source. The LED, the infrared photoresistor and the ultraviolet photoresistor are all installed on the lens module, and the infrared photoresistor and the ultraviolet photoresistor are connected with the chip and controlled by the chip. The infrared laser light source and the ultraviolet laser light source are positioned outside the capsule shell; the infrared laser light source is matched with an infrared photoresistor; and the ultraviolet laser light source is matched with the ultraviolet photoresistor. On and off of the capsule endoscope are achieved through irradiation of the infrared laser light source and the ultraviolet laser light source, the capsule endoscope can be matched with a single-lens capsule endoscope and a double-lens capsule endoscope, contact between the capsule endoscope and the outside is reduced under the condition that the size and the shell integrity of the capsule endoscope are not changed, and regular inspection tour and electric quantity checking of the capsule endoscope are facilitated.
Owner:WUXI FUSHENG SMART MEDICAL TECH CO LTD

Light wave double-drive spherical floating type multi-energy complementary power generation device

ActiveCN120423011APhotovoltaic supportsPV power plantsLight energyWave oscillation
The invention relates to a light wave double-drive spherical floating type multi-energy complementary power generation device which comprises a spherical shell, a light energy power generation module, a wave energy power generation module and a central module set. The spherical shell is formed by fixedly connecting an upper semispherical shell and a lower semispherical shell; the upper semispherical shell is a semispherical light condensing and lighting cover; the light energy power generation module is arranged at the upper part in the spherical shell and comprises a photovoltaic panel, a circuit board, a photoresistor, an optical tracking module and a panel inclination angle fine adjustment mechanism; the wave energy power generation module is arranged at the lower position in the spherical shell and comprises an x-direction wave oscillation frame, a y-direction wave oscillation arm and four columnar generators. The central module group comprises a box body, and a counterweight module, a central line collection module and an energy storage module which are mounted in the box body; the upper end of an upper cover of the box body is connected with the lower end of an inclination angle fine adjustment mechanism through a stable bracket; the central line collection module is connected with the output ends of the four columnar generators and the photovoltaic electric energy output end on the circuit board through lines, and integration of electric energy generated by a photovoltaic panel and electric energy generated by wave energy is achieved. And the energy storage module realizes storage of the integrated electric energy. The power generation stability is guaranteed, and the energy utilization rate is increased.
Owner:TIANJIN UNIV

Fresh agricultural product transportation quality monitoring system for in-transit logistics

The invention discloses a fresh agricultural product transportation quality monitoring system for in-transit logistics, and relates to the technical field of transportation monitoring. The fresh agricultural product transportation quality monitoring system comprises a multi-path signal acquisition unit, an edge calculation unit, a data processing module, a quality scoring module and a route selection module, the multi-path signal acquisition module integrated sensor comprises a temperature probe, a capacitive humidity sensor, a photoresistor and a high-resolution RGB camera in a carriage, and the sensor is responsible for acquiring the temperature T, humidity RH, illumination Lux and RGB images in the carriage and transmitting the images to the edge calculation module; according to the invention, an ARI MA-LSTM hybrid model is constructed in the quality scoring module, processing and modeling analysis are carried out by using historical temperature, humidity, illumination, chromatic aberration and real-time quality score multi-source information, high-precision prediction of the quality of agricultural products in the future 6 hours is realized, and a decision basis is provided for route selection based on dynamic comparison between a prediction result and a preset threshold value, so that the quality of the agricultural products can be accurately predicted. And the perspectiveness and reliability of quality prediction are effectively improved.
Owner:JIANGSU RUNFENG FOOD CO LTD

Propiconazole purification device

InactiveCN120054024ABiocideMaterial crystallisationPropiconazoleEngineering
The invention relates to the technical field of propiconazole purification, in particular to a propiconazole purification device which comprises a purification tank, and the top end of the purification tank is fixedly communicated with a fixed cover; the detection mechanism comprises a semicircular lamp panel for emitting light, a photoresistor plate for detecting the light emitted by the semicircular lamp panel is arranged in the purification tank, and the detection mechanism is used for detecting the concentration and crystallization degree of a solution needing to be purified. A semicircular lamp panel in the detection mechanism emits light, the absorption and scattering of the light are influenced by the concentration of a solution, the intensity of light irradiated on the photosensitive resistor plate is changed, and then the resistance value of the photosensitive resistor plate is changed. When the solution concentration is high, the light intensity and the resistance value are large, the current passing through the electromagnet is large, the electromagnet is strong in magnetism, the permanent magnet on the sliding plate is repelled to slide upwards, the L-shaped conducting strip slides upwards on the resistor strip, the resistance of the sliding rheostat is reduced, the current passing through the self-adaptive adjusting loop is increased, and the stirring speed is increased.
Owner:SHANDONG WEIFANG SHUANGXING PESTICIDES CO LTD

Video fluctuation speed acquisition and data remote transmission system and method based on infrared resistance sensor

The invention relates to the technical field of power plant hearth flame fluctuation speed acquisition. The video fluctuation speed acquisition and data remote transmission system comprises a sensor module, a signal conditioning module, a data processing module and a data remote transmission module. The infrared light resistance sensor optimizes a flame infrared spectrum and combines dynamic signal conditioning; the data precision and the environment interference resistance are remarkably improved, millisecond-level fluctuation frequency extraction can be achieved through cooperative work of the MCU and the fast Fourier transform algorithm, the high-frequency dynamic monitoring requirement is met, and meanwhile through arrangement of the data remote transmission module, processed digital signals are coded and modulated, and then the high-frequency dynamic monitoring requirement is met. And the data are remotely transmitted to a remote monitoring center through a wireless channel, so that the collection of the fluctuation speed change information of the hearth flame and the remote transmission of the data are completed, and the requirement of a power plant on real-time monitoring can be effectively met by adopting the technical scheme.
Owner:NANJING WANHE M&C GAUGE CO LTD

Closestool cover plate

The utility model relates to the technical field of sanitary ware, in particular to a toilet cover plate which comprises a cover, a seat ring and a hinged shaft connecting piece used for rotationally connecting the cover and the seat ring. The seat ring comprises a shell internally provided with a cavity, a heat insulation layer fixedly arranged at the bottom of the cavity, a heat dissipation layer fixedly arranged at the top of the cavity and a heating assembly fixedly arranged between the heat insulation layer and the heat dissipation layer. A photoresistor and a night lamp are fixedly mounted at one end, close to the hinged shaft connecting piece, of the bottom of the shell; the control assembly is used for integrally controlling the heating assembly and the night lamp and comprises a controller and a temperature sensor which is connected with the controller in series and is used for monitoring the temperature of the seat ring; according to the scheme, the technical problem that the service life of a night lamp is easily reduced when a heating function of a traditional toilet bowl is used can be solved.
Owner:DURAVIT (CHINA) SANITARYWARE CO LTD

Crack detection device and detection method for cracking of road lithiation agent material

The invention discloses a crack detection device and detection method for cracking of a road lithiation agent material, and relates to the technical field of road crack detection. The crack detection device comprises a connecting mechanism, a detection mechanism and a filling mechanism; the detection mechanism comprises a first lifting frame and a mounting plate, a horizontal air pipe is mounted on the mounting plate, insertion pipes are uniformly mounted on the mounting plate and communicate with the horizontal air pipe, a detection frame is slidably mounted on the insertion pipes, the lower ends of the insertion pipes are sleeved with detection bowls, guide frames are arranged on the two sides of the interior of the detection frame, and connecting columns are arranged on the insertion pipes. A buckling frame is arranged on the first lifting frame, the connecting columns extend to the inner side of the buckling frame and are connected with lamp beads, and a photoresistor strip is arranged in the buckling frame. When a crack exists on the road surface, the detection bowl cannot be driven by airflow to float upwards, the lamp bead is normally on, position data of the crack is converted into a resistance value on the photoresistor strip, and the filling mechanism is controlled to fill the crack by combining the resistance value.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY +1

Sound box capable of realizing intelligent control with light effect

The utility model relates to the field of sound box equipment, in particular to a sound box capable of realizing intelligent control with a light effect, which comprises a CPU (central processing unit) controller, a sound box power amplifier unit, a light illumination unit, a photoresistor control circuit and a mobile human body pyroelectric infrared sensor control circuit, the sound box power amplifier unit, the light illumination unit, the photoresistor control circuit and the mobile human body pyroelectric infrared sensor control circuit are all matched with the CPU controller, and the sound box can intelligently respond to environmental changes and human body movement signals through the core function of the CPU controller. The photoresistor control circuit and the mobile human body pyroelectric infrared sensor control circuit provide real-time data for the CPU controller, so that the CPU controller can accurately control the sound box power amplifier unit and the light illumination unit, and more intelligent use experience is provided for users.
Owner:GUANGZHOU ONASEN ELECTRONICS CO LTD

Supporting device capable of automatically tracking light source and automatically stretching and folding photovoltaic panel

The utility model discloses a supporting device capable of automatically tracking a light source and automatically stretching, retracting and folding a photovoltaic panel, relates to the technical field of photovoltaic panel supporting devices, and solves the technical problems that a solar panel which is unfolded and folded according to the intensity of the light source does not exist in the growth environment of part of plants, and corresponding light source tracking measures are lacked. Comprising a mounting base, and the top of the mounting base is rotationally connected with a first arm, a second arm and a third arm in sequence; the end effector structure is mounted at the end of the third arm; according to the utility model, through the arrangement of the end effector structure, the photovoltaic power supply benefit can be effectively improved, the photoresistor sensing module is used for collecting light source position information, the light source position can be tracked in real time, and the photovoltaic panel can be automatically stretched or folded according to the light source intensity so as to collect solar energy as much as possible; a suitable environment can be provided for commercial crops needing light shielding, the position of a light source can be tracked in real time, shielding is provided in time, and economic benefits are ensured.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

A high-precision dual-channel slide automatic sampling and oil dripping device

The present invention discloses a high-precision dual-channel slide automatic sampling and oil dripping device, wherein the slide is clamped by a mechanical claw, the gear stepper motor is connected to the mechanical claw, the stepper screw motor is connected to the gear stepper motor, the stepper motor mechanism converts the rotational motion of the motor screw into linear motion, thereby controlling the opening and closing of the mechanical claw, and then clamping the slide, and judging whether the slide is clamped by the change in the resistance value of the photoresistor, and controlling the movement steps of the gear stepper motor by forming a closed loop through the pressure sensor, and the stepper screw motor and the moving auxiliary guide rail drive the mechanical claw to rise and fall, thereby improving the sampling speed of the automatic film reader, increasing the turnover frequency of the instrument, and improving the detection efficiency.
Owner:深圳北航新兴产业技术研究院

Method for identifying a user interface control panel in a domestic appliance

A user interface assembly for a domestic appliance includes a control panel; a user interface board; a photoresistor attached to the user interface board, the photoresistor being configured to receive light signals; and a controller operably coupled with the digital image sensor, the controller being configured to perform an operation. The operation may include directing the photoresistor to capture a light signal from at least a portion of the second panel side or from a door of the domestic appliance; analyzing the captured light signal to determine a model identification of the control panel; and activating a predetermined operating software for the domestic appliance based on the determined model identification.
Owner:HAIER US APPLIANCE SOLUTIONS INC

Socket with indicating lamp brightness adjusting function

The utility model provides a socket with an indicating lamp brightness adjusting function, and relates to the technical field of sockets, the socket comprises an AC-to-DC module, a USB interface module and a photosensitive module, the input end of the AC-to-DC module is electrically connected with a live wire and a zero line, and the output end of the AC-to-DC module is electrically connected with the input end of the USB interface module; the photosensitive module comprises a photosensitive resistor, a resistor R18, a triode Q1 and an indicating lamp, the first end of the photosensitive resistor and the collector electrode of the triode Q1 are electrically connected with the output end of the USB interface module, the second end of the photosensitive resistor is electrically connected with the base electrode of the triode Q1, the emitter electrode of the triode Q1 is electrically connected with the positive electrode of the indicating lamp through the resistor R18, and the negative electrode of the indicating lamp is grounded. The triode and the photoresistor are additionally arranged on the indicating lamp, so that the brightness of the indicating lamp is controlled, the indicating lamp is normally lightened under high brightness in the daytime and is lightened under low power under low brightness at night, and the indicating lamp of the socket is not dazzling and does not influence sleeping at night.
Owner:NINGBO HENGDA GAO ELECTRONIC COMMERCE DEV CO LTD

Intelligent electronic table card system

The utility model relates to the technical field of electronic display, solves the technical problems that in the prior art, power consumption is large, and circuit elements are not protected, and particularly relates to an intelligent electronic table card system which comprises a display screen used for displaying table card content, a processing module used for inputting the display content to the display screen, a voltage transformation circuit and a power supply circuit. An energy-saving circuit used for reducing energy consumption of the display screen is arranged between the display screen and the voltage transformation circuit, the energy-saving circuit is composed of a self-adaptive circuit and a protection circuit, and the self-adaptive circuit is composed of a protection voltage, an adjusting resistor R2, a current-limiting resistor R3, a photoresistor R4, a fixed value resistor R5, a judging device and a self-adaptive voltage. Through the function of the self-adaptive circuit, the brightness of the table card can be automatically adjusted according to the ambient light intensity, the brightness adjustment of the display screen can be completed without manual adjustment, the convenience of a user is improved, and the table card system is more energy-saving and environment-friendly.
Owner:JIAN ELECTRONICS TECH INTEGRATED CIRCUIT & COMM TRANSMISSION LAB TECH CO LTD

Control device and method of intelligent cabinet

The invention discloses a control device and method for an intelligent cabinet. The control device comprises a processing unit, and a lighting control unit, a detection subunit comprising a photoelectric coupler, a compensation subunit comprising a photoresistor and a lock driving unit which are electrically connected with the processing unit, the photoelectric coupler is electrically connected with the door lock, the detection subunit and the compensation subunit are arranged in parallel, the detection subunit is used for determining the first state of the door lock based on the state of the photoelectric coupler, and the compensation subunit is used for giving the second state of the door lock based on the obtained resistance value of the photoresistor; the processing unit is used for acquiring request information for opening the storage space and giving a lock driving signal and a lighting driving signal according to the request information and the first state and the second state of the corresponding door lock; the lock driving unit is used for controlling the state of the corresponding door lock based on the received lock driving signal; and the illumination control unit is used for controlling the illumination intensity of the corresponding light source part based on the received illumination driving signal, so that the illumination energy consumption of the intelligent cabinet is reduced.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +1

Adjusting type full-spectrum solar sun-chasing system and control method

The invention provides an adjustable full-spectrum solar sun-chasing system and a control method. The system comprises a Fresnel lens condensation unit, a vacuum glass heat collection tube and a photovoltaic power generation unit which are arranged along a light path, the Fresnel lens condensation unit is focused on the vacuum glass heat collecting tube, the rotating axis of the rotating support is the central axis of the vacuum glass heat collecting tube, and the vacuum glass heat collecting tube is connected with a frequency division fluid storage heat exchange unit. A photoresistor sensor and a light incident angle sensor are arranged on the side face of the Fresnel lens condensation unit in parallel, the rotating support is connected with a light following driving device, and the photoresistor sensor and the light incident angle sensor are connected with the input end of a light following control system. The control signal input ends of the light driving device and the focal length adjustment driving device are connected with the output end of the light control system; the Fresnel lens condensation unit is connected with the focal length adjustment driving device; light loss caused by shortening of the focal length of the lens is avoided, heat collection capacity and generating capacity of the system are increased, and overall efficiency of the system is improved.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

A cleaning device for producing car floor mats

This application discloses a cleaning device for producing car floor mats, relating to the field of automotive maintenance equipment technology. It includes a housing, a cleaning component, a moving and rotating component, and a spin-drying component. The cleaning component is located in a cleaning chamber and is used to clean the floor mats. The moving and rotating component is located inside the housing and is used to drive the spin-drying component. The spin-drying component is connected to one side of a movable base and includes a spin-drying frame and a clamping plate. The spin-drying frame is connected to one side of the movable base and includes a photoresistor and an electromagnet. The clamping plate is hinged to one side of the spin-drying frame, and a torsion spring is provided on the hinge axis between the clamping plate and the spin-drying frame. The torsion spring causes the clamping plate and the spin-drying frame to form an angle. A permanent magnet is provided on the side of the clamping plate near the spin-drying frame. The clamping plate includes a lamp for illuminating the photoresistor. This device enables the floor mats to rotate at high speed along with the spin-drying frame, improving the spin-drying and dehydration effect.
Owner:SHANGHAI JUNDA AUTO DECORATION

Civil construction safety warning indicator

The utility model belongs to the technical field of safety warning devices, and relates to a civil construction safety warning indicator which comprises a control box, a single chip microcomputer, a warning tape, a photoresistor, a human body infrared sensor and a power supply module. The single-chip microcomputer is installed in the control box, and a stand column is fixed to the top face of the control box. One end of the warning tape is fixed to the stand column, a traction column used for tensioning the warning tape is arranged at the other end of the warning tape, and an LED lamp strip extending in the length direction of the warning tape is fixed to the front surface of the warning tape. The photoresistor and the human body infrared sensor are fixedly installed on the outer side wall of the top of the stand column. The power supply module, the photoresistor, the human body infrared sensor and the LED lamp strip are all electrically connected with the single-chip microcomputer. According to the warning indicator, pedestrians can be sensed through the human body infrared sensor at night, the LED lamp strip can be controlled to emit light to warn the pedestrians, and the warning effect at night can be enhanced.
Owner:SICHUAN VOCATIONAL & TECHN COLLEGE OF COMM

Stretching and fixing device and method for aging detection of polyethylene gas pipeline

According to the stretching and fixing device and method for aging detection of the polyethylene gas pipeline, polyethylene pipes with different diameters are clamped through an inner clamping plate and an outer clamping plate, and the adaptability of the device is effectively improved; the slippage phenomenon of a pipeline in the stretching process is detected through the covering effect of the polyethylene pipe on the array type light dependent resistor, the array type light dependent resistor calculates the slippage distance of the polyethylene pipe by detecting the change of the length of the array type light dependent resistor irradiated by the lamp strip, and therefore on one hand, the clamping force is enhanced by increasing the current of the electromagnetic pad; and on the other hand, compensation is carried out by adjusting the movement length of the sliding seat to be equal to the slippage distance, so that the pressure load borne by the pipeline is kept unchanged, and the accuracy of experimental parameters is ensured.
Owner:HUZHOU SPECIAL EQUIP TESTING RES INST (HUZHOU ELEVATOR EMERGENCY RESCUE COMMAND CENT) +1

Induction type intelligent illuminating lamp

The invention provides an induction type intelligent illuminating lamp. The induction type intelligent illuminating lamp comprises a microprocessor, an infrared inductor, an ultrasonic inductor, a photoresistor sensor, a WIFI module, a storage module and an LED light source. The WIFI module, the infrared sensor, the ultrasonic sensor and the photoresistor sensor are respectively connected to a signal input end of the microprocessor; the signal output end of the microprocessor is connected to the LED light source; the photosensitive sensor is used for monitoring the intensity of ambient light; the infrared sensor and the ultrasonic sensor are used for detecting human body movement conditions; the temperature sensor is used for measuring the indoor temperature.
Owner:XIAMEN LONGSTAR LIGHTING

Zoom type optical signal gain regulator and circuit

The invention provides a zoom type optical signal gain regulator and a circuit, the zoom type optical signal gain regulator comprises a support, the support is provided with a light-emitting part, a convex lens, a photoresistor and an adjusting part, the convex lens is arranged between the light-emitting part and the photoresistor, and the adjusting part is arranged between the light-emitting part and the photoresistor. The light emitting part is used for emitting parallel light to the convex lens and irradiating the parallel light on the photoresistor, the adjusting part is used for adjusting the distance between the photoresistor and the convex lens, and the focus of the convex lens is located between the photoresistor and the convex lens. According to the optical principle of focusing of the convex lens, the distance between the photoresistor and the convex lens is precisely changed through the adjusting piece, so that the light intensity irradiated on the photoresistor is continuously changed, the resistance value of the photoresistor is changed smoothly and is wide in range through the adjusting mode based on geometrical optics, stepless continuous gain adjustment is achieved, and the precision of the light intensity is improved. The adjusting precision is high.
Owner:党开国

An automatic dimming lighting power supply

This invention provides an automatic dimming lighting power supply, relating to the field of lighting power supply technology. The automatic dimming lighting power supply includes a main body with a placement groove on its surface. Considering the problems of lighting power supplies, this invention incorporates a linked combination structure of a photoresistor, a microcontroller, and an LED lighting module on one side of the main body. First, the photoresistor detects the external light intensity. As the light intensity changes, the detected signal is transmitted to the microcontroller on one side for analysis and processing. Second, the microcontroller controls the output voltage to adjust the output power of the LED lighting module, thereby ultimately controlling the light intensity of the LED lighting module, achieving an automatic adjustment effect. This automatic dimming power supply technology can automatically adjust the brightness of the lighting fixture according to changes in the brightness of the environment, achieving both energy saving and lighting comfort.
Owner:ZHUHAI HONGKE ELECTRONIC TECH CO LTD

LED indicating device for X-ray detection

An LED indicating device for X-ray detection comprises a transparent protective layer, a transparent conductive layer, an LED chip layer, an optical resistance layer, a back electrode layer, an outer electrode lead and a core electrode. The LED light source is characterized in that the LED chip layer is composed of LED chips, the LED chip layer is tightly clamped between the transparent conducting layer and the light resistance layer, and the back electrode layer or the core electrode is loaded behind the light resistance layer; 3-12V alternating current and direct current are loaded on the transparent conducting layer, the back electrode layer or the core electrode, the LED chip layer emits light, the resistance of the photoresistance layer changes when X-rays irradiate, and the luminous intensity of the LED chip changes accordingly.
Owner:SHANGHAI DONGZHOU IND

Hardware part machining and welding device

The invention discloses a hardware part machining and welding device. The hardware part machining and welding device comprises a gap alignment assembly, a self-adaptive fixing structure, a rotary drum, a movable welding assembly, a main body motor support, a main body driving motor and an equipment base. The invention belongs to the technical field of motor shell welding. The motor shell edge seam detection device is designed according to the electrical principle of the ultraviolet photoresistor and the ultraviolet laser beam emitter, when ultraviolet laser emitted by the ultraviolet laser beam emitter can penetrate through the side seam of the motor shell to be emitted to the ultraviolet photoresistor, the side plate is turned over to clamp the motor shell from the outside, and then the position of the side seam of the motor shell is determined; and when the ultraviolet laser emitted by the ultraviolet laser beam emitter is not emitted to the ultraviolet photosensitive resistor, the ultraviolet laser does not pass through the side seam of the motor shell at the moment, and the overturning side plate can overturn by virtue of the hinge shaft without limiting the rotation of the motor shell along with the rotary drum, so that automatic control is realized.
Owner:SHENZHEN YIZEXIN HARDWARE PRODUCTS CO LTD

Illumination detection system and method for urban roads

The present invention relates to the technical field of illumination detection of urban roads, in particular to an illumination detection system and method for urban roads, comprising a moving mechanism and a controller, wherein the moving mechanism comprises a supporting plate, a filter box and a marking box are fixedly connected to the supporting plate, light-transmitting glass is embedded in the inner sides of both left and right ends of the filter box, a photoresistor is fixedly connected to the outer side of the light-transmitting glass on the right side, the photoresistor is arranged in a protective cover fixedly connected to the right end of the filter box, a resistor meter for obtaining the resistance of the photoresistor is fixedly connected to the filter box, light on the road first enters through the light-transmitting glass at the left end of the filter box and irradiates the photoresistor, smoke particles can be suspended in the gas inside the filter box, the light transmission effect of the filter box is changed by increasing the smoke particles in the gas inside the filter box, so that the photoresistor works in a sensitive range when the light is weak, the resistance change sensitivity of the photoresistor is increased, and thus the sensitivity and accuracy of the detection are increased.
Owner:KAIJIAN ENVIRONMENTAL CONSTR GRP CO LTD