70results about How to "Realize one-click operation" patented technology

The invention discloses a method and device for importing webpage data to an EXCEL sheet. The method comprises the steps of: opening a webpage containing a data sheet on a webpage browser; selecting a data sheet in the webpage, and importing the data in the selected data sheet to an EXCEL sheet; analyzing marks of the webpage by the webpage browser, and picking the sheet mark of the selected data sheet from the marks to obtain the data of each line and each row under the sheet mark; calling EXCEL software by the webpage browser, and generating a blank EXCEL worksheet webpage; and writing the read data to the generated EXCEL worksheet webpage by the webpage browser. By the invention, the sheet data can be captured dynamically on the webpage of the webpage browser and is imported to the existing EXCEL sheet. The one-push operation from the webpage data to the EXCEL sheet can be realized, the work efficiency of users is greatly increased, and the error rate is reduced.

The invention discloses a biomass micro-positive-pressure pneumatic transmission system which comprises a feeding system, a fan, a conveying pipeline system, a discharging system, a tail gas treatment system and an automatic control system, wherein the feeding system comprises a quantitative feeding device, a collecting device, a positive-pressure air sealing device, an accelerator, an air guide pipe and a return air treatment pipeline; the conveying pipeline system comprises a straight pipeline, a connecting flange and a plurality of quick-operating doors distributed on the pipeline as well as a transparent observation window. The biomass micro-positive-pressure pneumatic transmission system has the advantages that smooth feeding with higher concentration ratio can be achieved, the power consumption is low, the service life of the air sealing device is prolonged, the applicability and the pipeline durability of the conveying system are improved, the convenience is provided for pipeline smoothening and repairing, the environmental pollution can be avoided, and the automation level is high.

The invention discloses a transcranial magnetic stimulation treatment method and device. The device comprises a TMS coil, a coil support, a joint robot, a horizontal translation platform, a controller, a 3D scanner and a positioning device. The treatment method comprises the following steps: the patient lies flat on a horizontal translation platform and translates to a predetermined position; thepositioning device detects the positions of the patient's head and the TMS coil and transmits the position information to the controller; and the joint robot and the translation platform cooperate torealize the stimulation of the whole brain area by the TMS coil. When the patient's head position changes, the positioning device can also detect the new position of the patient's head in real time, and position the TMS coil to the new position, so as to realize repeatedly accurate positioning; different programs can also be loaded into the controller to make the robot move according to the required trajectory, which makes the magnetic stimulation therapy easier, reduces the manual operation, increases the accuracy of scientific positioning, and improves the treatment efficiency and patient comfort.

The invention discloses an intelligent biological microscope, which belongs to the field of microscopy and particularly relates to an intelligent biological microscope capable of automatic focusing, splicing an image and recognizing a formed element. A hardware module and an image acquisition module are connected with a computer through a connection line, and the software module operates at a computer end. Through cooperation of three stepping motors and an industrial camera, automatic focusing and image photographing of a monocular microscope can be completed, the image processing software operating at the computer end outputs a split large-view field image through preprocessing, image registration, transform model establishment, image transform and image fusion, and finally, an algorithmunit in the software operates to perform formed element recognition and counting on the outputted image. During the use process, one-button operation is adopted, the workload of a doctor is greatly reduced, small lesions and difficult cases can be extremely highly recognized, and quantitative analysis of post-processing provides a reliable reference for doctor diagnosis.

A cable reel used for a shore power system comprises: a reel (1), an on-line tension tester (2), a motor (3), a hysteresis coupling (4), a decelerator (5), a slip ring box (6), a cam limit switch (7), a motor control system (8), a hydraulic bag (9), a base (11), a cable guiding rack (12), a swinging rack (13), a swinging rack oil cylinder (14), and a cable guiding rack oil cylinder (15); wherein the cable reel can detect limit positions of a cable (1) during a take-up and pay-off process through the cam limit switch (7), can measure the tension of the cable (10) on line through the on-line tension tester (2), and can reduce a reeling moment of the reel (1) through the motor control system (8) so as to protect the cable. Through adoption of the cable reel provided by the present invention, one-touch operation can be achieved, and the take-up and pay-off moment required by the cable can be automatically adjusted, thereby bringing good technical effects.

The invention provides a valve controlling system and method. The valve controlling system comprises a valve positioner, a driver and an electric actuating mechanism; the valve positioner comprises a central controller, an analog input module and a valve position detecting module, wherein the analog input module and the valve position detecting module are connected with the central controller. The valve controlling system further comprises a power management device, an optoelectronic isolator, a human-machine interface, an on-off input module, an internal storage module, a valve position feedback module and a breakdown detecting module. According to the valve controlling system and method, direct current voltage signals generated by transforming of the analog input module are received by the central controller and are compared with current valve opening signals, so that output signals are obtained; the electric actuating mechanism is controlled to adjust the valve opening signals by the driver according to the output signals; monitoring and self-diagnosis on system voltage, current, temperature and valve positions are conducted by the breakdown detecting module in real time; and the controlling precision of the system is improved, better security guaranty mechanism is provided, and reliability of the system is improved.

The invention discloses an overhead line unmanned aerial vehicle electricity testing method and device. In the prior art, due to the fact that a line crosses river, valley and other areas, an operatorcannot reach the areas, or due to the fact that the line erection height is increased, an effective electricity testing method does not exist. A purpose of the invention is to solve the problems in the prior art. The invention provides an overhead line unmanned aerial vehicle electricity testing method and device. The device mainly comprises an unmanned aerial vehicle 1, an unmanned aerial vehicle remote controller 2, a handheld app terminal 3, a PC system 4, an electroscope 5 and the like. The electricity testing method mainly realizes accurate control of the flight direction (nose positioning algorithm) and flight distance of the unmanned aerial vehicle and safe distance maintenance in the electricity testing process through automatic distance measurement and calculation, and realizes an electricity testing function. According to the invention, the structure and the function of the unmanned aerial vehicle electricity testing device are constructed, the unmanned aerial vehicle safetydistance maintaining technology is overcome, and one-key operation of electricity testing operation is achieved.

The invention aims to provide a method and device for providing a photographed image. The method comprises the steps that a providing device acquires an initial preview image in a photographing preview state; according to image feature information of the initial preview image, one or more pieces of additional information corresponding to the initial preview image is determined; according to the initial preview image and in combination with the additional information, an image previewing device corresponding to the initial preview image is generated; according to the preview image, the photographed image corresponding to the preview image is provided for a photographing user and / or a device of a target user. Compared with the prior art, the method and device have the advantages that one-key operation of a photographing device or application is achieved, the photographing-first and editing-second mode is changed, the operating steps of the user are decreased, the image processing efficiency is improved, and user experience is improved.

The invention belongs to the field of automatic manufacture and particularly relates to a special passenger car with the sitting and camping functions. The full-automatic two-side extension dormitory car comprises a chassis, a compartment, extension cabins, an extension device and a supporting device. Each extension cabin comprises side plates, a movable folding bottom plate and a movable retractable top, wherein the movable retractable top comprises a top plate, a front wall and a back wall. The supporting device comprises a plurality of multistage retractable rails located below a bottom plate of the compartment, the outer ends of the rails are fixedly connected with the lower ends of the side plates, and at least two of the rails on one side of the compartment are provided with electric supporting legs. The extension device is an electronic control system, and the extension cabins and the supporting device are unfolded or retracted under the function of the extension device. Through the technical scheme, the whole extension cabins can be unfolded or retracted fast under the driving of the extension device and supported through the rails and the electric supporting legs of the supporting device; meanwhile, the electronic control system is used as the extension device, and the reliability and the stability of the electronic control system are better than those of a hydraulic system.

The invention belongs to an unmanned plane flying control system and relates to a DSP reliable on-line FLASH programming method based on a GEL script. According to the method, the following processes are automatically achieved through the GEL script, namely a code segment and a data segment of a DSP target project executable file are stored in a local hard disk first, then the code segment and the data segment of the DSP target project executable file in the local hard disk are loaded into a DSP piece external RAM, finally an executable file of a DSP programming FLASH project is loaded into the RAM, the project carries out CRC on the code segment and the data segment which are loaded to the DSP piece external RAM, the checking results are written into the piece external RAM together, then the data segment and the code segment are programmed into a FLASH, a programmed FLASH space is checked, checking results are compared with the checking results in the piece external RAM, if the results are equal, programming is right, otherwise, programming is wrong, and the programming process and the programming results are displayed in a CCS interface.

The invention relates to the technical field of washing machines and discloses a control method and system for a washing machine. The control method comprises the steps that a mobile terminal controlsthe washing machine to run, a display interface of the mobile terminal is at least provided with a first key and a second key, the first key is triggered, so that the washing machine runs under a professional mode, and the second key is triggered, so that the washing machine runs under a simple mode. According to the control method, the first key is triggered so that the mobile phone can enter aprofessional control mode, a young user or a user who is familiar with operation of an application program conveniently uses the washing machine, the washing machine can be comprehensively operated and controlled, and all the functions of the washing machine are better achieved; the second key is triggered so that the mobile terminal can enter a simple control mode, an old user or a user who is not familiar with operation of the application program conveniently uses the washing machine, an operation interface of the mobile terminal to the washing machine can be greatly simplified, and one-keyoperation on a main program of the washing machine is achieved.

The invention discloses a household intelligent device for degrading pesticide residue in vegetables and fruits. The device is suitable to be used for degrading pesticide residue on edible vegetables and fruits which are eaten by a common family in a week. The device is formed by a medicament chamber, a degradation storage chamber, a spraying system, a refrigeration system, a device housing, a waste liquor recovery tank, and an automatic control system. The working process comprises: putting newly bought or picked vegetables and fruits in the degradation storage chamber, starting a control panel, starting keys, firstly starting the spraying system, starting a degradation mode, switching on operating indicating lamps of the control panel, by controlling of an electric appliance control system, a degradation agent in the medicament chamber is uniformly sprayed on the surfaces of the vegetables and fruits, then starting the refrigeration system, the device converting to a refrigeration mode, and refrigeration time being 8-12 hours, after refrigeration completes, a complete indicating lamp on the control illuminating, to show degradation is completed. The waste liquor recovery tank drains waste liquor generated by spraying from a water outlet.

The invention relates to an automatic covering and packaging machine for a carton box, which comprises a bottom plate; according to a working sequence, a cartoon box pushing device, a box folding mechanism, a packaging mechanism and a cutoff mechanism are arranged on the bottom plate in sequence; an open carton box to be packaged is horizontally mounted on the front end of the carton box pushing device, the carton box pushing device pushes the carton box to move to the box folding mechanism, the box folding mechanism finishes automatic covering on the carton box through dual-slope guiding, after covering is finished, the carton box pushing device continues to push the carton box to move to the packaging mechanism, after the carton box is pushed in place, the packaging mechanism drives an adhesive tape to rotate around the carton box so as to wind and package the whole periphery of the carton box, and meanwhile, the cutoff mechanism performs cutoff to finish the packaging work of the carton box. The packaged object is fixed on a packaging platform, automatic packaging is realized by rotating the adhesive tape around the carton box, meanwhile, a movable sticking plate mechanism is matched with a cutter mechanism to realize automatic cutoff and automatic end leaving of the adhesive tape, packaging continuity is ensured while the packaging quality is improved, and packaging efficiency is greatly improved.

The invention relates to a sweeper structure of an environmental sanitation vehicle and a road sweeper having a turning function. A sweep disk structure comprises a fixed bracket assembly, a rotary drive mechanism, a telescopic device and a sweep disk assembly; The rotary driving mechanism is rotatably mounted on the fixed bracket assembly through a sweeping disk turnover bracket. The rotary driving mechanism is rotatably mounted on the fixed bracket assembly through a sweeping disk turnover bracket. The telescopic device is arranged on one side of the sweeper turnover bracket, the fixed end of the telescopic device is hinged with the fixed bracket assembly, the telescopic end of the telescopic device is downward and hinged with the sweeper turnover bracket; A sweep disk assembly is vertically arranged below that rotary drive mechanism, and an upper end thereof is drivingly connected with the rotary drive mechanism; The rotary drive mechanism can drive the sweep disk assembly to rotate; The telescopic device drives the sweeper turnover bracket through the telescopic end, and the rotary drive mechanism and the sweeper assembly turn toward both ends thereof with respect to the stationary bracket assembly. The utility model has the advantages of simple structure, reasonable design, convenient operation and use, can flexibly adjust the angle of the sweeper assembly, and is favorable for sweeping the shoulders under multiple road conditions, and has good sweeping effect.

The invention relates to a one-touch smart brake device of a pumping unit. The one-touch smart brake device comprises a brake, a programmable controller and a sensor. The sensor is used for collecting signals and sending the signals to the programmable controller to control the brake by means of programming, so that start and stop of the pumping unit and control of stop position of the pumping unit are achieved. The brake comprises a speed reducer (10), a brake actuating mechanism and a self-locking mechanism (11); the speed reducer (10) comprises a speed reducer shaft (9), a brake disc (6), connecting plate fixing columns (12) and a connecting plate (13); the brake actuating mechanism comprises a magnetism device and a brake device and is fixed on the connecting plate (13); the self-locking mechanism (11) comprises a brake disc positioning hole (14), a cylinder (15) and an energy storage device (18) and is also fixed on the connecting plate (13). One-touch operation of the brake device is realized on site. Smart control and remote control of the brake device are realized, the pumping unit can be stopped at the optimal starting position, and purposes of energy saving and safety are achieved.

The invention discloses a concentration treatment device and method for chemical nickel-plating rinsing wastewater. The device comprises a wastewater collection tank, a raw water pump, a bag filter, atubular micro-filter, an intermediate water tank, an ultrafiltration device, a nanofiltration device, a first reverse osmosis membrane and a concentrated water tank which are communicated in sequence, wherein the concentrated water of the tubular microfiltration and the concentrated water of the ultrafiltration are respectively communicated to a wastewater collection tank, the concentrated waterside of the nanofiltration is communicated to a first reverse osmosis membrane, the fresh water side of the nanofiltration is communicated to a second reverse osmosis membrane, and a conductivity meter is arranged on a pipeline on the fresh water side of the first reverse osmosis membrane. Fresh water of the first reverse osmosis membrane flows back to the water inlet side of the nanofiltration, and concentrated water is discharged to a concentrated water tank, or a part of the fresh water flows back to the front of the nanofiltration and a part of the fresh water flows back to the front of the first reverse osmosis membrane,the concentrated water of the second reverse osmosis membrane flows back to the water inlet side of the nanofiltration, and the fresh water in the fresh water side isdischarged after reaching the standard.

The invention discloses an intelligent CATIA engineering drawing system which comprises a software program and CATIA software. The operation method of the intelligent CATIA engineering drawing system specifically comprises the following steps: introducing the self-designed software program into the system via a CATIA macro command; then, defining an icon and a shortcut key for the software program; carrying out one-touch operation to generate a detail list automatically; and finally, carrying out one-touch filling out to generate a title bar automatically. According to the intelligent CATIA engineering drawing system, one-touch operation is realized, and the detail list and the title bar are generated automatically in a one-touch manner, so that the operation time is shortened by 30 percent, the efficiency is improved, the title bar and the detail list are free of error, the error rate of the rest is reduced by 35 percent, the production cost is reduced, and the technical requirements of employees are lowered.

The invention discloses an automatic humidity centring system with a fault diagnosis function for a three-floating inertia instrument, and belongs to the technical field of inertia instruments. The system comprises a three-floating instrument gyroscope pendulum, a controller, a matrix switch, a magnetic suspension pre-posed demodulation circuit, a program-controlled resistance circuit and an acquisition module. According to the system, the overall process is controlled through the matrix switch; output data are automatically acquired by adopting a PXI (Peripheral Component Interconnection Extensions for Instrumentation) data acquisition module; an allocation algorithm is designed based on experience; program-controlled resistors perform iterative allocation for completing the humidity centring debugging of the three-floating inertia instrument, determining the program-controlled resistors of a Wheatstone bridge of an IO (Input / Output) circuit, and realizing the overlapping of a mechanical zero position and an electrical zero position of a float. Through the system, humidity centring automation and intelligent allocation are realized; the allocation precision is high; the fault diagnosis function is realized, and the working condition of a mechanical body is judged in time, so that the system has great significance to improve assembling efficiency and discover an assembling fault of a precise instrument in time.

The invention provides a full-automatic processing method and a full-automatic processing device for tasteful tea. The full-automatic processing method comprises the following steps of: performing green killing on the tasteful tea, and performing appropriate linked control on the green killing temperature, a charging rate and the rotate speed of a roller in the green killing process by utilizing an automation control device; automatically transferring the tasteful tea which is subjected to the green killing for twisting, and performing appropriate linked control on twisting pressure and twisting rotate speed in the twisting process by utilizing the automation control device; and automatically transferring the twisted tasteful tea for trimming, tipping and drying, namely performing the appropriate linked control on temperature, humidity, trimming speed and stir-frying speed in the trimming, tipping and drying process by utilizing the automation control device. In the full-automatic processing method, various process parameters of the conventional tasteful tea are subjected to the appropriate sub-step linked control by the automation control device so as to realize the full-automatic processing of the tasteful tea, improve production efficiency greatly, prevent the influence of personal factors and improve the quality and stability of products.

The invention discloses a coarse-denier spandex filament winding machine. The coarse-denier spandex filament winding machine comprises a frame, a friction roller mechanism, a grooved roller type filament swinging device, a swinging and switching device and a transmission box mounted on the frame, wherein a winding spool rotor is arranged at the lower part in the transmission box; a drum tube clamping head is symmetrically mounted on the outer end surface of the winding spool rotor; the drum tube clamping head comprises a rotary drum; a filament drum supporting and jacking device used for tightly jacking a filament drum is arranged on the rotary drum. The coarse-denier spandex filament winding machine can achieve one-key operation and ensure that full rolls can be automatically switched without the need of manually breaking the filaments and generating heads; the stability of the product quality is improved; the all-weather continuous production can also be achieved; the production efficiency is high.

The invention relates to an automatic processing method for a multi-station out-of-order process path. The automatic processing method comprises the steps that: an upper computer sets a plurality of control interaction variables and monitoring interaction variables according to a process path; a lower computer determines sequences of corresponding process execution steps according to the process path; allocating a specific execution task list to the process execution step of each sequence; the upper computer operates the corresponding control interaction variables and issues an operation command to the lower computer through an OPC server and the lower computer receives the operation command and starts to execute the task list in the process execution step of each sequence; after completion of task list execution in the process execution steps of all sequences, the upper computer determines whether the process execution steps are finished or not according to feedback data of executionresults; and data of all control interaction variables and monitoring interaction variables reset and preparation of starting a next turn of process execution steps is made. With the automatic processing method, requirements on occasions of on-site multi-station, out-of-order process paths and abnormal change can be met.

The invention relates to a high-precision electric drive control type metal hose compression resisting type cutting device. An electric control telescopic rod (6) is connected with lining supports (1); the electric control telescopic rod (6) is combined and metal hoses (8) are fixedly arranged to realize movement of the lining supports (1) in corresponding metal hoses (8); based on the space between two cylinders in the lining support (1) and matched with the thickness of the cutterhead of an electric control rotary cutterhead (5), a distance measuring sensor (16) is combined to capture the position of an upper cutterhead of the electric control rotary cutterhead (5) between the two cylinders in each lining support (1) in real time; and through a motor driving circuit (18) designed in specific, intelligent control on cutting, returning and re-cutting of the electric control rotary cutterhead (5) is realized via a rotary motor (4), so that cutting of the metal hoses (8) is realized, one-key operation is realized during the entire process, and the problem about deformation of a cutting port can be effectively avoided while ensuring the cutting working efficiency of the metal hose (8).

The invention discloses an EOS blockchain multi-point management system and an implementation method thereof. The system comprises a remote RPC interface used for executing a smart contract and checking blockchain transaction data, a multi-point management center arranged at a front-end client side and connected with the remote RPC interface, an EOS public chain deployed at a background, the smartcontract on the EOS public chain, an point pool arranged at an EOS public chain bottom layer and used for storing points, and a block used for recording the transaction data; the multi-point management center comprises a registration module, an point creation module, an point issuing module, an point transferring module, an point exchanging module and a transaction checking module. With the system and the method provided by the invention, uniform management of multiple points is realized, point creation, issuing, exchanging and transferring one-click operation is realized, human cost is reduced while convenience is brought to users, and waste of too much resource is avoided.

The invention relates to a reference position automatic alignment method and device of a glue dispensing needle of a glue dispensing machine. The method comprises the following steps: a position detecting sensor is provided; a square hole is formed in the position detecting sensor; an X-directional light emitter and an X-directional light receiver, and a Y-directional light emitter and a Y-directional light receiver are arranged in the center positions of each pair of opposite inner walls of the square hole; the glue dispensing needle moves in the square hole through a multiaxis manipulator inan X direction; the Y-directional light receiver generates a pulse signal; positions corresponding to an ascending edge and a descending edge of the pulse signal are recorded as X1 and X2; an X-directional reference position X of the glue dispensing needle is (X1+X2) / 2; the glue dispensing needle moves in a Y direction in the square hole through the multiaxis manipulator; the X-directional lightreceiver generates another pulse signal; positions corresponding to an ascending edge and a descending edge of the pulse signal are recorded as Y1 and Y2; an Y-directional reference position Y of theglue dispensing needle is (Y1+Y2) / 2; and the glue dispensing needle automatically moves to a reference position (X, Y) through the multiaxis manipulator.

A water outlet spray head assembly provided with an LED lamp and an anti-abrasion layer and applied to a water heater comprises a spray lance (91) and a spray head (92) fixed to the upper end of the spray lance (91). The inclination angle of the spray lance (91) can be adjusted so that the height and the water spraying angle of the spray head (92) can be adjusted. The spray lance (91) is rotatably connected with the side wall of a rotary driving box (3) in a matched mode through a supporting rotary shaft (931) at the lower end of the spray lance (91). A gear disk (93) is fixedly arranged at the inner end, stretching into an inner cavity of the rotary driving box (3), of the supporting rotary shaft (931) and used for being engaged with a driving rack part (82) of an up-down movement transmission piece (8).

The invention provides an Android application packaging and distributing method and system based on a plug-in and an application terminal. The method comprises the steps of acquiring related configuration through a user-defined plug-in and analyzing related configuration parameters; judging whether to open the plug-in or not, if so, continuing, otherwise, ending operation; judging whether reinforcement is started or not, if yes, continuing the process and otherwise executing the uploading step; obtaining a current compiling type, and if the current compiling type is a rease package, carrying out reinforcement; judging whether multi-channel packaging is started or not, if yes, continuing the process and if not, executing the uploading step is executed; inserting channel information into anApk Signing Block of an installation package, and outputting a channel package; judging whether uploading is started or not, if so, continuing, and otherwise, executing a notification step; uploadingthe channel packet to an intranet disk; and judging whether the application notification is started or not, if so, sending the application notification, otherwise, ending. The whole packaging and distributing process is connected in series, and one-key operation is achieved.

The invention discloses a flushing-free toilet structure and a fixed and lifting type flushing-free toilet system. The flushing-free toilet structure comprises an annular squatting basin panel, an annular box body, a packaging bag and a hot melting sealing mechanism, the box body is matched with the squatting basin panel and is detachably assembled at the lower end of the squatting basin panel; anannular packaging bag outlet is formed in the inner side of the box body; the packaging bag is stored in a ring shape and is arranged in the box body, one end is pulled out from the packaging bag outlet and extends downwards, a hot melting sealing mechanism is installed at the lower end of the squatting basin panel through the telescopic mechanism, the telescopic mechanism is used for driving thehot melting sealing mechanism to move up and down, and the hot melting sealing mechanism is used for sequentially packaging the packaging bags passing through the hot melting sealing mechanism into independent bag bodies from bottom to top. The toilet system has the advantages of reasonable structural design, convenience in use, no need of water flushing during defecation, capability of quickly cleaning packaged excrement and saving of water resources.

The invention discloses a convenient-to-maintain water heater water outlet sprayer component. The convenient-to-maintain water heater water outlet sprayer component comprises a spray boom (91) and a sprayer (92) which is fixed on the upper end of the spray boom (91), wherein the inclination angle of the spray boom (91) is adjustable, so that the height and the water spraying angle of the sprayer (92) can be adjusted; the spray boom (91) is connected with the side wall of a rotation driving box body (3) through a support rotary shaft (931) at the lower end of the spray boom (91) in a rotary and matched manner; and the inner end part, extending into the inner cavity of the rotation driving box body (3), of the support rotary shaft (931) is fixedly provided with a disc-type gear (93) which is meshed with a driving rack part (82) of a vertically-moving drive component (8).

The invention discloses a breathable dustproof computer display device assembly with a correct cooperation property. The computer display device assembly comprises a display panel (91), wherein the direction of the display panel (91) in the horizontal plane is adjustable; the display panel (91) is rotatably matched and connected with the bottom wall of a direction adjusting device shell (3) through a suspension shaft (931) which is fixedly connected with the upper part of the display panel (91); a gear disk (93) is fixedly arranged at the upper end, which extends into the inner cavity of the direction adjusting device shell (3), of the suspension shaft (931); the gear disk (93) is meshed with a pinion (82) on a transmission shaft (32) which is driven by a motor (31); a through hole (15) is arranged at the top of the direction adjusting device shell (3) to be opposite to the motor (31) so that the motor (31) is communicated with the air out of the direction adjusting device shell (3) and the heat generated during the running of the motor (31) can be discharged from the through hole (15).