55results about How to "Keep concise" patented technology

The invention relates to a portable listening device, and particularly relates to a wireless earphone establishing interaction with an earphone box. The wireless earphone comprises a shell, a loudspeaker component, a noise reduction microphone, a call microphone, a rechargeable charging unit, an earphone sensor and an earphone processor, and the earphone sensor detects whether a cover of the earphone box is at a closed position or an open position according to a magnet on the cover of the earphone box; the earphone processor receives and marks a cover opening signal sent by the earphone sensorwhen detecting that the cover of the earphone box moves from the closed position to the open position, and transmits the cover opening signal to the box processor. According to the wireless earphone,the earphone sensor detects the cover opening condition of the earphone box and performs data interaction with the earphone box in real time.

The invention provides a main cotton carding roller shaft bearing seat airflow protective device of a carding machine and belongs to the technical field of non-woven fabric machines. The carding machine comprises a base, two main cotton carding roller supporting wall plates fixed to the two sides of the base, roller shaft bearing seats arranged on the tops of the main cotton carding roller supporting wall plates, a main cotton carding roller supported by the roller shaft bearing seats and main cotton carding roller side protective covers fixed to the upper portions of the main cotton carding roller supporting wall plates. The main cotton carding roller shaft bearing seat airflow protective device comprises a groups of blades. The group of blades are distributed in a radial state and fixed to the end face of the side, facing the main cotton carding roller side protective covers, of the main cotton carding roller. The main cotton carding roller shaft bearing seat airflow protective device can prevent fibers from escaping from the ends of the main cotton carding roller to the roller shaft bearing seats, reduce oil consumption, guarantee the overall simplicity and the appearance effect of the carding machine, guarantee that the thicknesses of a web laid by a web laying net on a following-up station are even, and lighten the detection and maintenance load of a manufacturer adopting the carding machine.

The embodiment of the invention provides a method for analyzing layout of a flow chart. The method comprises the following steps of sequentially browsing nodes of each layer of the flow chart; calculating the weight of the nodes of each layer, and sequencing the nodes according to the weight; calculating coordinates of the nodes of each layer; and optimizing and adjusting the coordinates of the nodes of each layer. The method has the advantages that the sequence of the nodes of the same layer is optimized by utilizing the weight, and the coordinates of the nodes in the same vertical line are adjusted, so the minimum number of crossed points of the connecting lines of the flow chart is ensured, the nodes with the overlapping logic relationship are optimized, the large data quantity or the complicated flow chart reasonable-layout requirement is solved, the clarity of the business logics of the flow chart is ensured, and the experience of a user is improved; and the method is especially suitable for the application prospect of working flows with large data processing, and meets the complicated working flow chart layout requirement in the large data industrial application. In addition, the invention also provides a device for analyzing the layout of the flow chart.

The invention discloses a multi-machine power system self-adaptive fuzzy dynamic surface sliding mode control method capable of meeting preset output tracking performance. The method comprises the following steps that: 1) a multi-machine power system model containing SVC, external interference and multi-machine interconnection coupling items is constructed; 2) the fuzzy logic system approximator of the multi-machine power system is designed to approximately obtain an unknown function in the multi-machine power system model in the step 1); 3) the tracking error of the multi-machine power systemis defined, and an error performance conversion function is introduced, so that preset tracking performance can be realized; and 4) a dynamic surface is combined with sliding mode control, so that the fuzzy self-adaptive dynamic surface sliding mode controller of the multi-machine power system is designed. With the method provided by the invention adopted, the tracking performance can meet a preset condition; the robustness of the controller is improved on the premise of ensuring a concise control law; and finally, all error signals of a closed-loop system are ensured to be uniformly boundedfinally.

The invention discloses a virtual impactor and particle separation and concentration detecting device and method based on the 3D printing technology. The virtual impactor and particle separation and concentration detecting device comprises a virtual impactor and a quartz crystal microbalance (QCM) resonance sensor. The virtual impactor is composed of a particle inlet, a middle small-flow channel, two large-flow channels on the two sides and a QCM support, wherein the large-flow microchannels on the two sides are flat and straight, the length of the middle small-flow microchannel is 20 mm, the middle small-flow microchannel is folded back and forth six times and gradually reduced at an inlet part, the surface of the QCM resonance sensor which is arranged on the main channel on one side and composed of electrodes on the front side and the back side is coated with a photoresist layer, and thus separated particles adhere to the QCM resonance sensor. The main channels on the two sides and the secondary channel in the middle are adopted to serve as separation units, and the separation rate for particles smaller than 2.5 micrometers is 90%; the concentration of the particles is reflected through the resonance changing rate with the QCM resonance sensor, and conversion to the electric quantity from non-electric quantity is carried out; the device is simple in structure, small in size, capable of working under a room-temperature environment and easy to process in a batched mode.

The invention discloses a communication circuit between a mobile terminal and modules and the communication method thereof. In the mobile terminal, the mobile phone functional module and the television functional module are respectively provided with a serial data interface, an input interface and an output interface; the serial data interface of the mobile phone functional module is connected with the serial data interface of the television functional module, and is used for receiving interface commands and waking the commands; the input interface of the mobile phone functional module is connected with the output interface of the television functional module, and the output interface of the mobile phone functional module is connected with the input interface of the television functional module. In the invention, two pairs of I/O interfaces (namely, input and output interfaces) and a pair of full duplex UART serial data interfaces are utilized for receiving and sending and waking control, thus the reliable communication between the mobile phone functional module and the television functional module is ensured, and the power saving requirement on the mobile terminal (for example, a mobile phone) during the operating process is met.

The invention provides an information acquiring method and device, which are applied to a user terminal. The method comprises the following step: acquiring user operation information on a page of the user terminal, wherein the page is inherited from a program template, the program template comprises an information acquiring program for acquiring a starting event of the page, an ending event of the page or a clicking event of a button in the page, and the user operation information includes operation information for entering the page, operation information for exiting from the page or operation information for clicking the button on the page. Through adoption of the information acquiring method and device provided by the invention, the program template including the information acquiring program is provided, so that the page and user operation information of all controls on the page are acquired automatically; only the template program needs to be inherited when a new page or a new page button is added; codes of acquired information do not need to be added every time; and the workload of a developer is lowered.

The invention discloses a multifunctional heating floor lamp with an adjustable height. The multifunctional heating floor lamp comprises a base, a slide rail arranged on the base, a bottom column arranged in the slide rail through a slide structure, a gooseneck pipe with one end fixed to the upper end of bottom column and the other end provided with a lamp holder, a lampshade arranged at the upperside of the gooseneck pipe, height adjustment tooth lines arranged on the outer surface of the bottom column, and a support plate arranged at the middle position of the height adjustment tooth linesthrough a rotary buckle, provided with a control button and having a heating function. The invention provides a multifunctional heating floor lamp with an adjustable height. The practicability and flexibility of the floor lamp can be further improved, the space conflict between the floor lamp and other products is reduced, and the use effect of the product is greatly improved, so that consumers can better accept the product.

The invention discloses a man-machine interaction system for chassis height adjustment control, which comprises a system signal interaction device and an input signal interaction device, wherein the system signal interaction device is used for carrying out data communication with a corresponding CAN bus controller, converting working condition data of an execution mechanism controlled by the CAN bus controller into a graph data, outputting the graph data to a signal interaction device, converting the inputted graph data into control data, and outputting the control data to the CAN bus controller; the input signal interaction device is used for selecting screen regions with a determined physical coordinate range on the screen through a positioning device or in a touch mode, triggering the screen regions, generating trigger signals and a trigger signal sequence, and generating trigger restrictions between the screen regions; the screen trigger signals are outputted to the system signal interaction device, and the graph data of the system signal interaction device are received and displayed on the corresponding screen regions. Visualized and processed design is carried out on the overall chassis height adjustment process, a user can timely intervene the height adjustment process during the height adjustment process when a chassis controller gives alarming information, and height adjustment is more accurate and controllable.

The invention discloses an attitude angle detection apparatus for suspension platforms. The attitude angle detection apparatus comprises two vertically-arranged optical autocollimators fixed under anexperimental platform, wherein the two optical autocollimators are respectively arranged opposite to light through holes in the outer wall of a laboratory and reflection mirrors on a building wall, the two optical autocollimators emit light beams and real-timely receive the reflected light beams passing through the light through holes and the reflection mirrors, and the attitude angle changes of the two optical autocollimators are detected and analyzed through a communication host computer according to the relative movement between the two groups of the reflection light spot positions detectedby the two optical autocollimators and the incident light spot position so as to indirectly reflect the course angle, pitch angle and roll angle changes of the suspension experimental platform. The attitude angle detection apparatus of the present invention has advantages of high detection precision, good real-time performance and simple detection structure.

The invention discloses a computer mouse with a contractile mouse cable. The computer mouse with the contractile mouse cable comprises a mouse body, the mouse body is connected with the mouse cable, the mouse cable extends into a cable collection board through a cable collection reel and penetrates out of the cable collection board, the cable collection reel is vertically fixed onto the cable collection board, a mouse pad is stuck to the surface of the cable collection board, the cable collection board and connecting boards are of an integrated structure, threaded rods are connected onto the connecting boards through threads, and suckers are stuck to the surfaces of the bottom ends of the threaded rods. The computer mouse with the contractile mouse cable is composed of the cable collectionreel and the cable collection board, the part, in the cable collection reel, of the mouse cable is made to contract and extend through manual control, therefore, the mouse cable is not in a tensionedstate, and thus it is convenient for people to drag the mouse and conduct work; moreover, the part, in the cable collection board, of the mouse cable is in a tensioned state, therefore, the mouse cable is in a tense state and does not spread on the desktop in a wound mode, the simplicity of the desktop is guaranteed, and work of people is not hindered.

An optical branching module comprises a containing groove formed in a bottom shell. The bottom shell is covered with a panel with an opening, the opening is opposite to the containing groove, and the two ends of the panel are provided with installation holes. A transmission optical fiber is formed by multiple optical fibers in a fused biconical taper mode, the end, with one optical fiber, of the transmission optical fiber is a single-fiber end, an the other end of the transmission optical fiber is a multi-fiber end, and the multi-fiber end of the transmission optical fiber is provided with multiple optical fibers. An input end tail fiber is arranged at the single-fiber end and is in communication connection with the single-fiber end. Multiple output end tail fibers are arranged at the multi-fiber end, each output end tail fiber is in communication connection with one optical fiber at the multi-fiber end, and the output end tail fibers are contained in the containing groove. Installation knobs are contained in the installation holes and are used for being connected with external supporting objects. The transmission optical fiber of the optical branching module is of an integrated structure, complication wiring in the optical branching module can be avoided and simplicity of lines of the optical branching module is guaranteed. The invention further provides an optical branching unit.

A method for implementing transaction dependent listener of a workflow system belongs to the computer field. The method according to the invention comprises the follow steps: A set of transaction-dependent listener interfaces is defined in the workflow system, Registers a transaction-dependent listener to implement a transaction-dependent interface, Set the listener transaction state execution time when the process is modeled, When the process engine parses the process model, it checks whether the listener is a transaction dependent listener, if so, it does not execute immediately, takes a snapshot of the current execution state, triggers a response listener when the transaction state changes, delays execution, and the transaction listener performs posting processing using an external event table. This approach ensures the conciseness of process engine execution and data consistency in the micro-services architecture.

The invention relates to a self-service parking system for shared bicycles. The self-service parking system for the shared bicycles comprises parking units which are parallelly arranged at equal intervals; the parking units comprise planning areas arranged in front and identification areas arranged at the rear; the planning areas and the identification areas both comprise bases and guide grooves formed in the bases; the concave surfaces of the guide grooves are matched with tires of bicycle bodies; and checking units are arranged in the guide grooves and matched with verification units mountedon the bicycle bodies, and the verification units are wirelessly connected with a control system. According to the self-service parking system, the occupied space is small, and the surrounding passage environment is not hindered; the bicycles can be parked in high density, and the parking pressure is effectively relieved; users can be standardized to orderly park the bicycles, so that the attractiveness of streets is improved; and meanwhile, the mounting and maintenance cost is low, and resource consumption and the operation cost are effectively lowered.