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251results about How to "Shorten working hours" patented technology

Method of expert combination recommendation based on knowledge map

The invention discloses an expert combination recommendation method based on a knowledge map. The invention is mainly based on a constructed domain knowledge map, and combines a similarity idea and anassociation mining. The method comprises: to process the history expert review data, first using the FP-Growth to obtain probabilistic logic data to make knowledge map, and then eliminating the differences through similarity algorithm, extracting the similar items with the recommended content, and then extracting experts and combining them according to the rules, and designing an excellent methodto evaluate the combinations by frequent items and confidence according to the relational knowledge. The method of the invention effectively recommends a combination of graph auditing experts with the highest score, which improves the cooperative examination efficiency of the experts and increases the use value of the data of the historical item examination expert set.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

A method of building component extraction based on a Faster-RCNN model

The invention discloses a method of building component extraction based on a Faster-RCNN model. The method includes: firstly, binarizing and segmenting the building engineering drawing image to obtainthe image block data set; then, using the labelImg tool to label the building elements in the dataset, and obtaining a building component recognition model is obtained by Faster-RCNN training, and storing the building component information extracted from the model in the drawings in a structured form. The method of the invention effectively extracts the building component information in the manual building engineering drawings, so that the utilization ratio of the manual building engineering drawings is improved, and the use value of the manual building engineering drawings is increased.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Document modeling classification method based on WSD hierarchical memory network

The invention discloses a document modeling classification method based on a WSD hierarchical memory network. The method comprises the following steps of firstly, obtaining a sentence embedding matrixof the similar sentence texts based on the word vectors through a Bert algorithm to obtain the semantic information between words; secondly, mapping the sentences into the sentence embedding matrix space to obtain the vectorized representation of the sentences; and finally, inputting the sequence data of the sentence-divided document into a BiLSTM model, obtaining the attention weight of each sentence at the same time, obtaining the vectorized representation of the document, and reserving the internal semantic connection of the document. According to the method, the document modeling with thehighest accuracy can be effectively obtained, the hierarchical relationship of the word and sentence cascading is fully considered, the semantic relation in the document modeling is increased, and the document classification with the higher inter-class data similarity is more accurate.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Projector, bulb assembly and wind-guiding sheet

InactiveCN1670617AShorten working hoursMeets operating temperature specificationsProjectorsBiomedical engineeringProjector
This invention relates to projector with bulb elements and its wind conductor located in the projector, wherein, the bulb element has one socket and one bulb; the socket has one bottom and one opening part; the bulb has one lamp core located on the bottom extending to the opening part. The wind conductor comprises one body, one first flow conductor part, one-second-flow conductor and one-third-flow conductor part. The body is set on the socket and the first flow conductor part is integrated to the body part extending to the lamp core and bottom. The second flow conductor is integrated to the body extending to the lamp core. The third flow conductor is integrated to the body extending to the lamp core and opening part.
Owner:BENQ CORP

Three-dimensional omnibearing intelligent purging system and method for rail transit vehicle

The invention discloses a three-dimensional omnibearing intelligent purging system for a rail transit vehicle. The three-dimensional omnibearing intelligent purging system is characterized by comprising an air supply system (1), an electrical control system (2), a moving purging system (3) and an air exhaust and dust removal system (4). The moving purging system (3) comprises a bottom moving purging robot (31) and a top moving purging robot (32); the air exhaust and dust removal system (4) is respectively connected to the operation areas through pipelines; the air supply system (1) is connected with the bottom moving purging robot (31) and the top moving purging robot (32) through flexible pipelines to provide high-pressure air for the bottom moving purging robot (31) and the top moving purging robot (32); and the electric control system (2) is used for monitoring environmental parameters in a rail transit vehicle purging workshop. Dust of the vehicle can be quickly and efficiently removed, the working environment in the purging warehouse is improved, and three-dimensional omnibearing purging of the bottom, the sides and the top of the rail transit vehicle is achieved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

A synchronous recovery method and a synchronous recovery device of a terminal sleep wake-up

The invention provides a synchronous recovery method and a synchronous recovery device of a terminal sleep wake-up with high synchronous recovery efficiency, simplified synchronous recovery time and guaranteed paging monitoring and measurement performance. The method comprises the following steps of obtaining the terminal sleep wake-up triggering time information; completing the terminal wake-up according to the sleep wake-up triggering time information; receiving a downlink sub-frame containing a preset number value of PBCH channels and sequentially performing timing synchronization estimation and frequency synchronization estimation; completing Timing synchronization recovery and frequency synchronization recovery and starting paging time monitoring. The invention has the advantages that: data sample for synchronization recovery scheme can be satisfied fas, the synchronization recovery efficiency is obviously improved, the UE using the synchronous recovery method of the invention canrealize the purpose of significantly reducing the synchronous recovery time while ensuring the paging monitoring and measurement performance in all application scenarios including the limit coverageenhancement.
Owner:RDA CHONGQING MICROELECTRONICS TECH CO LTD

Apparatus for detecting component and detection method of apparatus for detecting component

The present invention relates to an apparatus for detecting a component. The apparatus for detecting the component comprises a fixture unit, an execution unit and a transit unit. The apparatus further comprises a depth detection unit used for collecting the surface hollow information of the component, and a detection unit used for collecting the size, shape and quality information of the component; and according to the detection unit, different kinds of camera lenses can be utilized to carry detection information visual recognition and collection on a tested workpiece according to different features and requirements. With the apparatus adopted, all-round and no-dead angle detection can be performed on the component; the high-precision camera lenses and a computing system are used in combination, so that accuracy and efficiency can be ensured.
Owner:NINGBO SUNNY INTELLIGENT TECH CO LTD

Solar air conditioner

The invention belongs to the field of environment protection, and particularly relates to a solar air conditioner. The solar air conditioner comprises a compressor, an indoor unit and an outdoor unit, wherein the compressor, the indoor unit and the outdoor unit are communicated through pipelines, and the indoor unit and the outdoor unit are respectively provided with two ports. The outdoor unit is communicated with the indoor unit through a first pipeline, and the solar air conditioner further comprises a solar heat collector, a first reversing valve and a second reversing valve. The first reversing valve is connected with an outlet of the compressor and an inlet of the solar heat collector, and the second reversing valve is connected with an inlet of the compressor. An outlet of the solar heat collector is connected with the second reversing valve through a second pipeline which is connected with the first reversing valve through a bypass pipeline, and the other port of the indoor unit and the other port of the outdoor unit are both connected with the second reversing valve. The two reversing valves are used for changing connection relationships among the compressor, the indoor unit, the outdoor unit and the solar heat collector, the solar heat collector is utilized for secondary processing on cold media so as to adjust the indoor temperature, operating period of the compressor is reduced, and electric energy consumption is reduced.
Owner:SHENZHEN TOPRAY SOLAR

Dust removing device for optical lens and dust removing method of device

The invention relates to a dust removing device for an optical lens. The device comprises an upper device body and a lower device body; the upper device body comprises a lens accommodating unit, a driving unit, upper air injection units, a lower air injection unit, upper dust suction units, a lower dust suction unit and integrated air joints; the upper air injection units and the lower air injection unit are used for removing dust on the surface of the lens; the upper dust suction units and the lower dust suction unit are used for removing dust inside the lens; the integrated air joints are used for connecting the upper air injection units and the lower air injection unit with an air source through pipelines and connecting the upper dust suction units and the lower dust suction unit with an air suction device through pipelines; the upper air injection units and the upper dust suction units are arranged adjacently and are located above the lens accommodating unit; and the lower air injection unit and the lower dust suction unit are arranged adjacently, are located below the lens accommodating unit and are located underneath the upper air injection units and the upper dust suction units. The dust removing device is high in dust removing speed and high in dust removing efficiency, and the dust can be prevented from falling back.
Owner:ZHEJIANG SUNNY OPTICAL CO LTD

Intelligent vacuum inflating packaging machine

The invention discloses an intelligent vacuum inflating packaging machine which is in a structure that the mechanical characteristics of an outer suction vacuum inflating packaging machine are infused to a chamber vacuum inflating packaging machine based on the aerodynamic principle, so that the whole vacuum inflating process is completed in the chamber. Meanwhile, the deficiency that the inflating volume of the chamber vacuum inflating packaging machine is difficultly controlled and is not uniform can be avoided by means of the mechanical advantages of the outer suction vacuum inflating packaging machine, so that pollution to the environment by applied gases can be reduced, and the using cost of gases is reduced.
Owner:JIANGSU TENGTONG PACKING MACHINERY

Display panel, drive method thereof, and display device

The invention discloses a display panel, a drive method therefor, and a display device, and belongs to the technical field of display. The display panel comprises a plurality of subpixels arranged in an array. The plurality of subpixels arranged in the array comprise at least one target subpixel, and each target subpixel comprises a first electrode, a second electrode, and N light-emitting units which are disposed between the first electrode and the second electrode in an overlapped manner, wherein N is an integer greater than one. In the N light-emitting units, transparent electrodes are respectively disposed between any two adjacent light-emitting units, and each light-emitting unit is driven by two electrodes adjacent to the light-emitting unit to emit light. Therefore, during the driving of the display panel, each light-emitting unit is driven by the electrodes at two sides of the light-emitting unit, and the plurality of light-emitting units are controlled to operate alternately, thereby reducing the working time of each light-emitting unit, and prolonging the service life of the display panel.
Owner:BOE TECH GRP CO LTD

Method for manufacturing copper wire rod and winding device

The invention relates to a method for producing line copper mother metal of coil, and relative winding machine, which can improve the quality and the efficiency, and coil present line copper mother metal whose diameter is more than 25mm, to improve the operational property. The winding machine continuously winds the line copper mother metal the guided out from the continuous casting machine and compressed extend in the compress extend process. It is characterized in that: it has a cooling reduction groove (10) which can keep the reduction solution that dipping said line copper mother metal; and a winding axle (2) inside said cooling reduction groove (10).
Owner:MITSUBISHI MATERIALS CORP

Over-temperature protection control method and device, battery pack, vehicle and readable storage medium

The invention provides an over-temperature protection control method and device, a battery pack, a vehicle and a readable storage medium. The method is used for controlling an over-temperature protection control system of a battery cell of the vehicle, and comprises the steps of: acquiring a cell temperature in a vehicle power battery module in the battery pack when the over-temperature protectioncontrol system of the battery pack is in a dormant state; and outputting a start signal to the over-temperature protection control system in response to fact that the cell temperature exceeds a predetermined temperature threshold. Through the technical solution, the number of times of awakening the over-temperature protection control system and the working duration of the over-temperature protection control system are greatly reduced, thereby reducing the battery power consumed by the over-temperature protection control system, reducing the possibility of feed when the over-temperature protection control system consumes too much power and further improving the safety of the vehicle power battery.
Owner:CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY

Assembly equipment for camera module group

The invention discloses assembly equipment for a camera module group, and the equipment comprises a les module group conveying unit, a chip conveying unit, a glue dispensing unit, a detection unit, amodule group clamping unit and an exposure unit. The equipment is characterized in that the equipment also comprises a light source unit; the light source unit consists of a main light source module and an auxiliary light source module. The invention also discloses a method for assembly a camera module group through the equipment. The equipment can achieve the automatic assembly of various types of camera module group, and especially can provide a big view field environment required by a big view field camera module group. Moreover, the equipment is simple in structure, is high in testing precision, and is high in yield, wherein the yield is 1.5-2 times of the yield of a common machine.
Owner:NINGBO SUNNY OPOTECH CO LTD

Control method, control device and electronic device

The invention discloses a control method of an electronic device. The control method comprises the steps of: firstly, controlling an image sensor to output a combined image; secondly, judging whether ambient brightness is less than or equal to a preset threshold value according to system information of the electronic device; thirdly, converting the combined image into a combined true color image when the ambient brightness is less than the preset threshold value; fourthly, controlling the image sensor to output a color-block image and converting the color-block image into an original imitation image when the ambient brightness is greater than the preset threshold value; and finally, converting the original imitation image into an original imitation true color image. In addition, the invention further discloses a control device and the electronic device. The control method, the control device and the electronic device judge the ambient brightness by utilizing the system information of the electronic device, control the image sensor to output appropriate images, and avoid a great deal of work because the image sensor outputs high-quality images regularly, thereby shortening operating time of the electronic device, improving working efficiency and enhancing customer satisfaction.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Efficient textile dye mixing device

The invention discloses an efficient textile dye mixing device, which relates to the technical field of textile. The efficient textile dye mixing device comprises a base, wherein a mixing tank and a motor case are fixedly connected with the top of the base in sequence from left to right; a transmission device is inlaid on the right side of the mixing box; a mixing shaft is fixedly connected with the left side of the transmission device; a rotating disc is fixedly connected with the left end of the mixing shaft; a mixing rod is fixedly connected with the surface of the mixing shaft; a feeding hopper is arranged at the top of the mixing box in a penetrating manner; an electric control valve is arranged at the bottom of the left side of the mixing box; a controller is inlaid at the top of the motor case; a motor is fixedly connected with an inner cavity of the motor case. In the efficient textile dye mixing device, through improvement of the transmission device and the mixing rod, the mixing effect of the mixing device is enhanced, the continuous working period of the mixing device is shortened, and the service life of the mixing device is prolonged.
Owner:苏州岭潮织造有限公司

Human body action classification method based on fusion features

The invention discloses a human body action classification method based on fusion features, and the method comprises the steps: inputting a plurality of human motion videos with labels, and convertingeach motion video into a frame sequence; predicting human body articulation point 3D coordinates of each frame by using a pre-trained hourglass human body posture estimation model to obtain an articulation point 3D coordinate data set; projecting the human body articulation point coordinates to a three-dimensional plane; respectively carrying out feature extraction on the projected data by usingtwo models of LSTM and GRU, and fusing the extracted two groups of feature vectors; and training a human body action video classification model based on the fused features, and inputting the video data into the trained human body action video classification model to obtain a human body action video classification result. According to the method, the overall features of the human body actions can be mined through feature fusion, the feature discrimination of the model is enhanced, and action classification with small inter-class difference is more accurate.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Method for treating collapsible loess foundation using acid-adding presoaking method

The present invention discloses a method for treating a collapsible loess foundation using an acid-adding presoaking method. The method comprises a first step of sampling, which refers to using a soil sampler to cut to obtain a soil sample from a collapsible loess foundation to be treated; a second step of soil sample testing; a third step of determination of the concentration of a soaking liquid; a fourth step of determination of the usage amount of the soaking liquid; a fifth step of preparation of the soaking liquid according to the determined concentration and usage amount, the soaking liquid being an acid-added aqueous solution and being an acid solution formed by uniformly mixing water with acid; a sixth step of acid-adding presoaking treatment of the collapsible loess foundation, which refers to continuously adding the soaking liquid into the collapsible loess foundation to be treated, the adding time being 3-15 days; and a seventh step of drainage consolidation, which refers to carrying out drainage consolidation treatment on the collapsible loess foundation to be treated by using a drainage consolidation method. The method provided by the invention is simple in step, reasonable in design, convenient to construct, and excellent in using effect; and by using the method, a treatment process of the collapsible loess foundation can be easily, conveniently and rapidly completed, loess collapsibility can be effectively eliminated, the strength of the loess can be effectively enhanced, and the bearing capacity of the foundation can be raised.
Owner:张耀

Energy-saving freezing drawer for refrigerator

The invention belongs to the technical field of refrigerator drawers, and particularly relates to an energy-saving freezing drawer for a refrigerator. The energy-saving freezing drawer comprises a first drawer mechanism and a second drawer mechanism, wherein the first drawer mechanism and the second drawer mechanism are matched with each other to form the complete freezing drawer which has the effect of article storage of a traditional freezing drawer. By means of the action of an executing mechanism, the complete freezing drawer can achieve both the effect that the first drawer mechanism andthe second drawer mechanism are separated and the effect that the whole drawer is pulled out. When the complete freezing drawer needs to be pulled out for taking out refrigerated articles, only a second drawer bottom plate needs to be pulled out, not all cold air in the freezing drawer flows out of the refrigerator due to the fact that the second drawer bottom plate is pulled out, and after the second drawer bottom plate is placed in situ, the temperature of the freezing drawer cannot rise too much as much as possible. The working time of a refrigerator refrigerating system is indirectly shortened, the power consumption of the refrigerator is reduced to a certain degree, and a certain energy-saving effect is achieved.
Owner:吴俊

Labeling method and device for object in image and electronic equipment

The invention discloses a labeling method and device for an object in an image and electronic equipment. The method comprises the steps of obtaining a first edge labeling point of a user for a first image; taking the first edge marking point as a current edge marking point, and obtaining a current feature parameter corresponding to the current edge marking point; obtaining a next edge marking point of the current edge marking point based on the current characteristic parameter corresponding to the current edge marking point; wherein the current edge marking point is an intersection point of aplurality of predicted edge lines, and the next edge marking point is a point on one predicted edge line in the plurality of predicted edge lines; and taking the next edge marking point as a new current edge marking point, and re-executing the step of obtaining the current characteristic parameter corresponding to the current edge marking point until the new current edge marking point is consistent with the first edge marking point, and forming a marking edge line of the object by the edge marking points.
Owner:LENOVO (BEIJING) LTD

Detection marking device and detection marking method of circuit board

The invention relates to the technical field of processing of a circuit board, in particular to a detection marking device and detection marking method of a circuit board. The detection marking devicecomprises a stander and a controller, wherein the stander is successively provided with a detection apparatus for detecting the missing of a steel sheet of the circuit board, a marking apparatus forlaser marking the circuit board and an appearance examination apparatus for examining the appearance of the circuit board; a material moving apparatus is installed below the marking apparatus and theappearance examining apparatus, and a transferring apparatus for transferring the circuit board from the detection apparatus to the material transferring apparatus is arranged between the detection apparatus and the marking apparatus; one side of the detection apparatus is provided with a receiving seat, and the other side of the detection apparatus is provided with a pushing apparatus for pushingthe circuit board to the receiving seat; and a first sensor is arranged between the marking apparatus and the transferring apparatus. The detection marking device is simple in structure, reasonable in design, capable of realizing the streamline operation of the detection, marking and appearance examination, capable of increasing the working efficiency and reducing the carrying transferring times,and time-saving and labor-saving.
Owner:东莞市科佳电路有限公司

Engine room cover with rapid assembling structures

The invention provides an engine room cover with rapid assembling structures. The engine room cover comprises a protective cover upper cover body, a protective cover lower cover body and the rapid assembling structures. The rapid assembling structures connect the protective cover upper cover body with the protective cover lower cover body in a sealed mode, and each comprise an upper protruding block, a lower protruding block and an embedded block; each embedded block comprises a movable shaft and a bent part with the bent corner being a right angle; the bent parts are movably connected to themovable shafts; grooves are formed in the top ends of the upper protruding blocks, wherein the bent parts can be embedded in the grooves, and rotating buttons used for sealing are arranged at the bottoms of the upper protruding blocks; and limiting buttons are arranged on the tops of the lower protruding blocks and arranged on the lower protruding blocks through compression springs, and semicircular retaining rings are arranged on the tops of the lower protruding blocks. According to the engine room cover with the rapid assembling structures, the rapid assembling structures connect the protective cover upper cover body with the protective cover lower cover body in the sealed mode, parts of the engine room cover of a wind power generator can be rapidly assembled together, simpleness and high efficiency are achieved, the working duration is shortened, mounting or demounting is quite convenient, and the working efficiency is improved.
Owner:EULIKIND TIANJIN TECH

High-temperature-resistant immersion probe for laser-induced breakdown spectroscopy system

The invention discloses a high-temperature-resistant immersion probe for a laser-induced breakdown spectroscopy system. The high-temperature-resistant immersion probe comprises a high-temperature-resistant pipe (6), a high-temperature-resistant pipe sleeve (7), a high-temperature-resistant pipe heat insulation pad (8), an external heat insulation layer (9), a middle protection pipe (11), a sealing sheet, a lens barrel, a rear end box body (20), a temperature sensor (14), an air pressure sensor (16), an air inlet (23), an air outlet (12) and a lead screw drive system (21). The high-temperature-resistant immersion probe has a function of automatically and precisely controlling the temperature of a multilayer temperature control cavity in a high temperature environment and can guarantee stable parameters of an optical element in the probe. By the adoption of a coarse-fine combination two-stage servo control system consisting of a laser distance measurer, a laser-induced breakdown spectroscopy signal and a precision lead screw, quick and accurate positioning required by measurement is realized, the working time of the laser-induced breakdown spectroscopy system is shortened, and burdens on a laser device and a signal processing unit are relieved.
Owner:UNIV OF SCI & TECH OF CHINA

Spraying device with drying function for spline housing transmission shaft production

The invention discloses a spraying device with a drying function for spline housing transmission shaft production. The spraying device comprises a bottom plate, a working box is fixedly connected to the top of the bottom plate, and a first vertical plate is fixedly connected to the left side of the bottom of an inner cavity of the working box. According to the spraying device, the bottom plate, the working box, the first vertical plate, a fixed block, a movable block, a second vertical plate, a rotating rod, a fixed plate, a sliding groove, a sliding block, a spring, a first clamping plate, a second clamping plate, a screw, a first transmission wheel, a first motor, a second transmission wheel, an air cylinder, a connecting plate, a second motor, a gear, a toothed plate, a sprayer, a heating box, a heating pipe, an exhaust pipe, an air inlet pipe, a fan, a paint box, a discharging pipe and a hose are matched, after the spraying device with the drying function for spline housing transmission shaft production completes protective paint spraying work on a spline housing transmission shaft, the drying speed of protective paint can be increased by injecting hot air, and therefore the working efficiency and practicability of the spraying device with the drying function for spline housing transmission shaft production are improved.
Owner:庞江涛

Enterprise portrait method based on label layered depth-delay modeling

The invention discloses an enterprise portrait method based on label layered depth-delay modeling, and the method comprises the steps: firstly carrying out the statistics and screening of fuzzy labelsof an enterprise, screening out labels which cannot completely summarize the characteristics of the enterprise, such as wholesale industry and retail industry, and carrying out the classification anddepth-delay of the screened-out labels through employing a Bert model according to the business range of the enterprise and the labels of the enterprise; secondly, integrating enterprise names, enterprise brief introductions and operation range information, performing feature expansion based on a pre-established enterprise lexicon, extracting keywords from comprehensive information by using TextRank, TF-IDF and LDA topic models respectively, and taking the processed keywords as deeper enterprise delay labels; finally, applying the modeling method to an enterprise portrait system, and optimizing the accurate summarization capability of the label. The method is universally suitable for label delay modeling and label extraction, the hierarchical relationship of label delay is fully considered, and the accuracy of labels and enterprise portrait systems can be effectively improved.
Owner:芽米科技(广州)有限公司

Screw locking mechanism

The invention discloses a screw locking mechanism. The screw locking mechanism comprises a supporting module, a locking module and a screw feeding module. The supporting module comprises a supportingbase and a cover plate, wherein the cover plate is vertically arranged on the supporting base. The locking module comprises a base plate, an electric screwdriver and a suction nozzle, wherein the baseplate is vertically arranged on one side of the supporting module, and the electric screwdriver and the suction nozzle are arranged on the base plate through an electric screwdriver mounting frame and a suction nozzle mounting frame separately. The screw feeding module is arranged below the supporting module and comprises a supporting plate, a feed supporting plate, a cylinder and a screw supporting plate, wherein the other end of the feed supporting plate extends upwards to form a screw inlet pipe, a screw site used for receiving a screw conveyed from the screw inlet pipe is formed on the screw supporting plate, and a connecting plate connected with the tail end of a piston rod of the cylinder is formed at one end of the screw supporting plate so that the screw site of the screw supporting plate can move to a position below the suction nozzle. According to the screw locking mechanism, the screw feeding module capable of achieving automatic feeding is arranged, so that the locking precision and efficiency are improved.
Owner:深圳市山龙智控有限公司

Network problem positioning method and device

The invention provides a network problem positioning method and device, and the method comprises the steps: obtaining CDR (call detail information) of each call in a preset range; determining a problem call with a network problem according to the CDR; determining a problem community with the network problem according to the proportion of the number of problem calls to the total number of calls in the same community; and determining the cause of the network problem of the problem community according to the network parameters of the problem community. According to the embodiment of the invention, the method can automatically locate the problem call with the network problem and the problem community with the network problem and analyze the cause of the network problem, thereby enabling an optimization worker to formulate a solution according to the cause of the network problem, shortening the work time, reducing the processing cost, and improving the problem solving efficiency.
Owner:CHINA MOBILE GRP GUANGDONG CO LTD

Clutch type electric bicycle chain wheel driving mechanism

The invention discloses a clutch type electric bicycle chain wheel driving mechanism. The driving mechanism comprises a wheel shaft, a motor end disc, a chain wheel, an outer end disc and a reset spring, wherein the outer end disc, the chain wheel and the motor end disc are sequentially installed on the wheel shaft from outside to inside, a circle of teeth are arranged on an outer end surface of the motor end disc, the chain wheel and the wheel shaft are installed in a rotating mode, are in clearance sliding fit and can slide in the axial direction of the wheel shaft, locking columns matched with teeth of the motor end disc are arranged on one surface, opposite to the motor end disc, of the chain wheel, a ratchet pawl mechanism used for driving the chain wheel to get close to the motor enddisc is arranged between the chain wheel and the outer end disc, and a reset spring is installed between the chain wheel and the motor end disc and provides restoring force for the chain wheel to disengage from the motor end disc. The driving mechanism is advantaged in that the chain wheel is only in meshed transmission with the motor wheel in a riding state, so the working time of the chain wheel is greatly shortened, the service life of the chain wheel is prolonged, moreover, running noise of the chain wheel is reduced, and the follow-up rotation condition is avoided.
Owner:TIANJIN MEIPAI ELECTRIC TECH CO LTD
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