Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

36results about How to "After-sale convenience" patented technology

Universal multifunctional safety circuit board for synchronous and asynchronous elevators

InactiveCN109292571AImplement unexpected movement detectionAchieving Universal DesignElevatorsControl systemSafety control
The invention discloses a universal multifunctional safety circuit board for synchronous and asynchronous elevators. The universal multifunctional safety circuit board comprises a door safety interlock loop, an upper door opening and closing detection loop, a lower door opening and closing detection loop, an advanced door opening control loop, a relay detection and door signal dual detection loop,a door lock safety control loop, an asynchronous elevator accidental movement control loop and an elevator outside safety loop. According to the universal multifunctional safety circuit board, on thebasis that a releveling plate is used in an original elevator and in the condition that components and parts are not additionally arranged, a universal lift car accidental movement detection functionof the synchronous and asynchronous elevators is realized only by adjusting and optimizing internal wiring; in addition, the universal multifunctional safety circuit board is organically combined with a control system, multiple functions of advanced door opening and releveling and door lock short-circuit detection and the like can be realized, and the universal design of one board with multiple purposes is realized; and the universal multifunctional safety circuit board has the advantage of low cost and is favorable for managing the whole link of production, after sale, maintenance and the like.
Owner:CANNY ELEVATOR

Portable electric folding bicycle

The invention provides a pure electric-drive portable electric folding bicycle with practicability and portability. The portable electric folding bicycle comprises a handlebar, a front fork, a front wheel, a seat, a framework and a rear wheel, wherein the front wheel is connected to the lower end of the front fork through a front wheel shaft; the front wheel is arranged on a driving motor shaft; a motor is connected with a controller inside the framework through a wire; the controller is used for controlling operation and speed adjustment of the motor; the framework has a hollow structure; the upper part and the lower part of the front end of the framework are connected between the lower part of the handlebar and the upper part of a fork through a handlebar folding fastener and a fork folding fastener respectively; a rear wheel folding fastener is arranged between two parts of the framework; the rear end of the framework is connected with the rear wheel through a rear wheel shaft; a power supply battery is arranged inside the framework; both the motor and the controller are connected with the power supply battery; a braking device is arranged on the outer side of the motor; the braking device is connected with a hand brake on the handlebar; the hand brake is pressed manually, so braking is realized through friction between a braking sheet of the braking device and a wheel hub; a footrest is arranged on the lower part of the front fork; and the seat can be arranged on the middle part of the framework in a folding supported manner.
Owner:NORTHEASTERN UNIV

LED (light emitting diode) street lamp light source module with silicon substrates

The invention relates to an LED (light emitting diode) street lamp light source module with silicon substrates. The LED street lamp light source module with the silicon substrates is characterized by comprising a radiating substrate body, wherein a plurality of light sources are arranged on the radiating substrate body through a substrate bonding pad; each light source comprises a silicon substrate body; a plurality of via holes are formed in each silicon substrate body; the via holes penetrate in the upper surface and the lower surface of the silicon substrate bodies; the via holes are filled with silver, gold, copper or gold-tin alloy; a light source bonding pad is arranged on the lower surface of each silicon substrate body; a lead electrode is arranged on the upper surface of each silicon substrate body; the lead electrodes are connected with LED chips through chip bonding pads; fluorescent glue is arranged on the upper surfaces of the silicon substrate bodies, and covers the LED chips and the upper surfaces of the silicon substrate bodies; a silver coating is arranged on the upper surface of each silicon substrate body except for the area of the corresponding lead electrode; and gold plating layers or gold-tin alloy plating layers are arranged on an area, which is in contact with the corresponding lead electrode, of the upper surface of each silicon substrate body and the surface of the corresponding chip bonding pad. By using the LED street lamp light source module, heat resistance of the chips and heat resistance of a radiator of a finished product of a street lamp are reduced, the heat dispersion of the lamp is high, and the service life of the whole lamp is long.
Owner:JIANGSU XGL OPTOELECTRONICS

Application method of detachable ultraviolet disinfection device in household articles and ultraviolet disinfection device

The invention relates to the field of household article disinfection, in particular to a detachable ultraviolet disinfection device. According to the technical scheme, an application method of the detachable ultraviolet disinfection device in household articles is characterized in that: the detachable ultraviolet disinfection device is arranged in a storage device, and disinfection lamps of the detachable ultraviolet disinfection device irradiate the articles to be disinfected. The ultraviolet disinfection device comprises a device main body, a battery assembly and a charging assembly electrically connected to the battery assembly are arranged in the device main body, the device main body is provided with a plurality of groups of ultraviolet disinfection lamps electrically connected to thebattery assembly, a control switch used for controlling the ultraviolet disinfection lamps to be turned on and turned off is further arranged, and the device main body is provided with a detachable connecting piece used for being arranged on the storage device. The ultraviolet disinfection device has the advantages that: the device is easy to replace and convenient to use, can be detached at anytime to facilitate daily cleaning and charging, can be additionally arranged in existing household articles to realize various scenes needing disinfection, and is very suitable for popularization andapplication.
Owner:郭秀丽

Detection system and detection method for empty suction and blockage of sample needle and reagent needle

ActiveCN112858593AImprove reliabilityAvoid direct judgment without classificationMaterial analysisOriginal dataConcentration gradient
The invention discloses a detection system and a detection method for empty suction and blockage of a sample needle and a reagent needle, and belongs to the field of in-vitro diagnosis medical detection instruments. The method comprises the following steps: classifying sample liquid according to a concentration gradient, collecting pressure value data of the needle body during empty suction, needle blockage and normal liquid extraction under the same sample adding amount, and converting the pressure value data into comparison parameters; receiving real-time pressure value data of the needle body; converting the real-time pressure value data and comparing with comparison parameters for judgment so that five results of complete air suction, local air suction, complete needle blocking, local needle blocking and normal liquid pumping are obtained; and the feedback system performs corresponding operation according to the judgment result. According to the method, the samples are classified according to the concentration gradient, the original data are collected, the judgment of air suction needle blockage of different samples under the condition of the same sample adding amount is realized, direct judgment without classification is avoided, and the accuracy of air suction needle blockage judgment is improved; and the reliability of clinical detection results of the instrument is improved. According to the method, empty suction and needle blocking judgment of the extremely small liquid amount is achieved, the accuracy rate is high, and the false alarm rate is low.
Owner:GUANGZHOU KEFEN BIOTECH CO LTD

Multimedia all-in-one teaching machine

The invention discloses a multi-media integrated teaching machine which comprises a blackboard outer frame, a left movable whiteboard, a fixed whiteboard and a right movable whiteboard, wherein the left movable whiteboard, the fixed whiteboard and the right movable whiteboard are embedded in the blackboard outer frame, an electronic whiteboard is connected onto the fixed whiteboard, a multi-media all-in-one machine is connected with a lateral portion of the blackboard outer frame in a closed mode, a projection machine is arranged in the front of the electronic whiteboard, the projection machine is connected with the blackboard outer frame through a support, and a projection face of the projection machine right faces the electronic whiteboard. The electronic whiteboard is connected with the multi-media all-in-one machine through a universal serial bus (USB) line, and the electronic whiteboard is further connected with the projection machine through internal lines. The multi-media all-in-one machine equivalently serves as a controller of the teaching machine and is sealed on the lateral portion of the blackboard outer frame, and the multi-media all-in-one machine is respectively connected with the electronic whiteboard and the projection machine through a built-in line. The multi-media integrated teaching machine is of a multi-media teaching machine integrated structure, the electronic whiteboard and a control section are integrally designed, connection lines between the electronic whiteboard and control section are not exposed, and the multi-media integrated teaching machine is low in failure rate, convenient to install, economic and durable.
Owner:武汉市腾亚科技有限公司

Double-temperature-state unit heat exchange station

The invention relates to a double-temperature-state unit heat exchange station, which comprises a machine frame, a first water mixing tank, a second water mixing tank and a plate type heat exchanger, wherein the plate type heat exchanger is provided with a primary water inlet, a primary water outlet, a secondary water inlet and a secondary water outlet, the first water mixing tank is provided with a cold and heat source water inlet, an air exchange machine water outlet, a heat exchanger water outlet and a first bypass opening, the second water mixing tank is provided with an air exchange machine water return opening, a heat exchanger water return opening, a cold and heat source water outlet and a second bypass opening, the heat exchanger water outlet is communicated with the primary water inlet of the plate type heat exchanger, the primary water outlet of the plate type heat exchanger is communicated with the heat exchanger water return opening through a pipeline, and the first bypass opening and the second bypass opening are mutually connected through a pipeline provided with a pressure difference bypass valve. The double-temperature-state unit heat exchange station has the advantages that the machine room part of a central air-conditioning system is fully integrated, two kinds of temperature required by refrigeration dehumidification fresh air and high-temperature radiation can be simultaneously met, the installation work period of the central air-conditioning system is shortened, and the problem of excessive dependence on blue-collar workers of construction teams is effectively solved.
Owner:CHINA OPTIMIZED ENERGY

Method for judging insufficient refrigerant of air conditioning system, and air conditioner

InactiveCN110822657AEliminate safety hazards in timeTimely safety hazardMechanical apparatusSpace heating and ventilation safety systemsAir velocityFrequency conversion
The invention provides a method for judging insufficient refrigerant of an air conditioning system, and an air conditioner, and belongs to the field of judgment of refrigerant leakage of a frequency conversion air conditioner. In order to solve the problem of an inaccurate determination method of insufficient refrigerant of a current frequency conversion air conditioner, the method comprises the following steps that after a heating mode is started, a compressor runs for a certain time, primary judgments are carried out on whether an inner coil and inner ambient temperature meet a preset difference value within a specified time and whether outer ambient temperature meets a preset value within the specified time, when the preset conditions are met, an inner wind speed is reduced to a presetwind speed, after the preset time, temperature difference judgments of the inner coil and the inner ambient temperature and an outer coil and the outer ambient temperature are carried out again, and if the preset conditions of the temperature difference are still met, insufficient refrigerant of the system is judged; and otherwise, normal operation is restored. Through the difference value of theinner coil and the inner environment temperature, the outer environment temperature, the inner wind speed control and repeated judgment schemes during heating, the characteristic of insufficient refrigerant can be effectively reflected and accurately judged in each use scene of the system.
Owner:四川长虹空调有限公司

Integrated intelligent driver special for fan and water pump of central air-conditioning energy-saving control system

The invention discloses an integrated intelligent driver special for a fan and a water pump of a central air-conditioning energy-saving control system. The integrated intelligent driver comprises a rectification unit, a filtering unit, an inversion unit, a speed regulation processing unit and an intelligent driving unit, the rectification unit rectifies AC 380V into DC 540V and then inputs the DC 540V into the filtering unit for harmonic filtering, the DC power supply after harmonic filtering is converted into AC power supply under the action of the inversion unit and the speed regulation processing unit, the output end of the intelligent driving unit is connected with the input end of the speed regulation processing unit, the input end of the intelligent driving unit is connected with a manual and automatic switching speed regulation module, a current or voltage switching type acquisition module, a temperature acquisition NTC module and an isolation type digital signal input module, and the output end of the intelligent driving unit is connected with a current or voltage switching type output module and a relay output module. According to the integrated intelligent driver special for the fan and the water pump of the central air-conditioning energy-saving control system, all the modules are integrated together, a control loop does not need to be built for the second time, and speed regulation of the fan and the water pump of a central air conditioner is achieved.
Owner:JIANGSU TEKENENNA ENERGY SAVING TECH

Portable electric folding bicycle

The invention provides a pure electric-drive portable electric folding bicycle with practicability and portability. The portable electric folding bicycle comprises a handlebar, a front fork, a front wheel, a seat, a framework and a rear wheel, wherein the front wheel is connected to the lower end of the front fork through a front wheel shaft; the front wheel is arranged on a driving motor shaft; a motor is connected with a controller inside the framework through a wire; the controller is used for controlling operation and speed adjustment of the motor; the framework has a hollow structure; the upper part and the lower part of the front end of the framework are connected between the lower part of the handlebar and the upper part of a fork through a handlebar folding fastener and a fork folding fastener respectively; a rear wheel folding fastener is arranged between two parts of the framework; the rear end of the framework is connected with the rear wheel through a rear wheel shaft; a power supply battery is arranged inside the framework; both the motor and the controller are connected with the power supply battery; a braking device is arranged on the outer side of the motor; the braking device is connected with a hand brake on the handlebar; the hand brake is pressed manually, so braking is realized through friction between a braking sheet of the braking device and a wheel hub; a footrest is arranged on the lower part of the front fork; and the seat can be arranged on the middle part of the framework in a folding supported manner.
Owner:NORTHEASTERN UNIV LIAONING

Suspended ultrasonic cleaning device

A suspended ultrasonic cleaning device mainly comprises a housing (9), a vibration bottom plate (6), ultrasonic transducers (8) connected with an ultrasonic generator, and the like. The suspended ultrasonic cleaning device is characterized in that the ultrasonic transducers (8) are mounted on the vibration bottom plate (6) in the sealed housing (9); spaces among the ultrasonic transducers (8) are filled with a sound deadening filler material (4); and the vibration bottom plate (6) is in bonding connection with the ultrasonic transducers (8) through epoxy resin adhesive (5). The suspended ultrasonic cleaning device provided by the invention has the advantages as follows: 1, noise generated by the suspended ultrasonic cleaning device is minimized by adopting the methods of sound deadening, sound absorption and sound insulation; 2, the cleaning space is arbitrary, and the suspended ultrasonic cleaning device can be used for cleaning objects in any container of which the calibre is greater than that of the suspended ultrasonic cleaning device; 3, the matching property is good, that is, the suspended ultrasonic cleaning device can almost be in seamless butt joint with any kitchen water tank to avoid the purchase and installation of another suspended ultrasonic cleaning device; 4 the structure is reasonable; and 5, a better cleaning effect is achieved due to a top-down covering conduction mode.
Owner:江苏泰克力特新能源科技有限公司

Remote online monitoring and optimizing method for SCR efficiency of diesel engine

The invention provides a remote online monitoring and optimizing method for the SCR efficiency of a diesel engine. The method comprises the steps of SCR efficiency measurement signal collection and signal monitoring and optimizing. According to the signal collection step, an ECU and a cloud end are connected through TBOX remote terminal equipment, and variable configuration is set at the cloud endand issued to a TBOX for measurement signal collection; data are uploaded to the cloud end, and data monitoring, analysis and optimization are conducted, wherein the data monitoring, analysis and optimization include the steps that 1), basic variables of the rotating speed, the oil amount, the torque, the vehicle speed, the environment temperature, the water temperature, the air inflow and the SCR efficiency real-time value are continuously recorded and stored, an SCR efficiency measured value graph is output in real time for online monitoring, and meanwhile SCR efficiency cloud data are usedfor feedback of calibration of an optimization rack; and 2), SCR efficiency diagnosis variables including the SCR temperature, the SCR upstream NOx value, the SCR downstream NOx value, the upstream and downstream NOx release state, the exhaust gas flow, the urea injection amount, the NH3 storage value, the engine running mode, the SCR efficiency measured value and the SCR efficiency limiting value are continuously recorded and stored, and after the SCR efficiency diagnosis enabling condition is met, a robustness graph is automatically output.
Owner:JIANGLING MOTORS

Dual temperature unit heat exchange station

The invention relates to a double-temperature-state unit heat exchange station, which comprises a machine frame, a first water mixing tank, a second water mixing tank and a plate type heat exchanger, wherein the plate type heat exchanger is provided with a primary water inlet, a primary water outlet, a secondary water inlet and a secondary water outlet, the first water mixing tank is provided with a cold and heat source water inlet, an air exchange machine water outlet, a heat exchanger water outlet and a first bypass opening, the second water mixing tank is provided with an air exchange machine water return opening, a heat exchanger water return opening, a cold and heat source water outlet and a second bypass opening, the heat exchanger water outlet is communicated with the primary water inlet of the plate type heat exchanger, the primary water outlet of the plate type heat exchanger is communicated with the heat exchanger water return opening through a pipeline, and the first bypass opening and the second bypass opening are mutually connected through a pipeline provided with a pressure difference bypass valve. The double-temperature-state unit heat exchange station has the advantages that the machine room part of a central air-conditioning system is fully integrated, two kinds of temperature required by refrigeration dehumidification fresh air and high-temperature radiation can be simultaneously met, the installation work period of the central air-conditioning system is shortened, and the problem of excessive dependence on blue-collar workers of construction teams is effectively solved.
Owner:CHINA OPTIMIZED ENERGY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products