211results about How to "Strong sense of technology" patented technology

The invention discloses an unlocking method of a touch screen terminal. The method comprises the following steps of: lightening the screen by a sent screen unlocking triggering signal, displaying a gesture recognition region on a touch screen, and detecting a touch signal input by a user in the gesture recognition region; when the user touches the gesture recognition region, starting an imitative fingerprint scanning unlocking program, displaying a row of light beams in the region, repeatedly moving along the horizontal direction at constant speed to simulate the fingerprint scanning action, and continuing until the touch signal disappears; and calculating and recording the movement path data of the light beams, when the movement path satisfies a preset unlocking condition, executing the screen unlocking instruction. The method provided by the invention is used for touch screen terminals, such as a mobile phone and a flat computer, can bring the use experience of simulating fingerprint recognition to the user, the real fingerprint recognition is replaced by matching the movement paths of the light beams simulating the fingerprint scanning, the interestingness is increased, the science and technology experience is very strong, extremely high technical requirement and hardware cost caused by fingerprint recognition are avoided, and a certain peeping prevention effect is realized.

The invention discloses an intelligent shoe cabinet and a use method thereof. The intelligent shoe cabinet comprises a cabinet body, a cabinet door with a door stopper, a control panel, a camera, shoe boxes and a shoe box taking and placing mechanism. Combined frames are arranged on the left and right sides in the cabinet body and provided with movable beams. The shoe boxes are placed on the movable beams of storage cavities in the left and right sides in an overlap mode. The cabinet door is provided with a shoe box inlet and outlet and the control panel. The camera is fixed above the shoe box inlet and outlet. The shoe box taking and placing mechanism is installed in the cabinet body. The camera and the shoe box taking and placing mechanism are in signal communication with the control panel. The intelligent shoe cabinet is small in size and large in capacity and can meet the requirement of common families for storing shoes in daily life; with the intelligent appearance design and the touch operation process, a strong science and technology feeling is brought; use is convenient, and the shoe taking and placing efficiency is obviously improved; the intelligent shoe cabinet has the dual effects of a shoe cabinet and an ornament and can be freely placed and combined with other furniture at home.

The invention discloses a cursor control method and AR glasses and an intelligent ring based on the same. The method includes the steps that a finger wears the ring, and the ring transmits infrared signals at certain frequency; the finger operates a touch control region on the side wall of the ring ad controls the ring to transmit corresponding Bluetooth control signals, and after the AR glasses receive the infrared signal and the Bluetooth control signals transmitted by the ring, a system background carries out region division and coordinate labeling on an infrared receiving region of the AR glasses and then processes the received infrared signals to position the ring; a system control module maps the system cursor position and the ring position in real time; the system control module maps system cursor functions with the Bluetooth signals transmitted by the ring one to one; the finger drives the ring to move so as to control the cursor to move. By means of the method, the AR glasses can be operated through the ring so that virtual and real scenes are combined, work of people is convenient, and excellent life experience is brought to people.

The invention provides a keyless remote starting system and method of a vehicle. The keyless remote starting system comprises a PASE module which is connected to a vehicle-mounted BCM (Body Control Module); the PASE module is used for receiving an RVS (Remote Video Surveillance) signal for implementing vehicle starting control, transmitting a whole vehicle powering-on control signal to the vehicle-mounted BCM after judging that the RVS signal meets a matched authentication condition and the vehicle meets starting conditions, and transmitting an engine anti-theft authentication signal to an engine control module; the engine control module is used for transmitting an automatic starting signal to an engine after engine anti-theft authentication is succeeded; the vehicle-mounted BCM is used for transmitting the automatic starting signal to a vehicle-mounted air conditioner after the whole vehicle is powered on. By completing a strategy of controlling the starting by the PASE module in an existing keyless remote starting system, power supply state conversion of the whole vehicle can be controlled and the vehicle can be controlled to start to warm up an engine by a customer outside a vehicle door or remotely through a command of transmitting the RVS signal, and the air conditioner is automatically started, so that the customer can control the temperature in a cabin before entering the vehicle and the comfort degree of the customer is improved.

The invention discloses a touch electronic selector and an electronic gear shifting method. The selector comprises a touch liquid crystal screen, a signal acquisition module, a gear shifting control module and a gear shifting actuator which are sequentially connected, wherein the touch liquid crystal screen can be installed on a steering wheel and also can be installed on an instrument panel or installed on a control console, a plurality of touch liquid crystal screens can be simultaneously installed, and one touch liquid crystal screen can be selected by a car driver to operate. The touch electronic selector also comprises an independent power supply module for powering the touch liquid crystal screen and is provided with a safety protection module which can effectively prevent the fault operation. The touch electronic selector is high in scientific and technological level, simple in structure and high in stability.

Disclosed in the invention is an integrated imaging optical system comprising an optical unit array and a micro image array. The optical unit array includes a plurality of micro optical units and enables points on a focal plane to be scattered at all directions in space. The micro image array includes a plurality of micro image units containing a plurality of pixel units; display image layers of the micro image units are located near the focal planes of the micro optical units; all micro image units cooperate with the corresponding micro optical units respectively and corresponding micro images are formed at a set interface. All pixels of all micro images are combined to form an integrated image. According to the invention, an effect of suspension displaying by being perpendicular to a physical display plane and being in a real image mode is realized; the good technological and futuristic effects are also realized. On the basis of the spliced displaying way, 360-degree full-view-angle tree-dimensional displaying is realized, thereby effectively reducing the data volume for realizing a complicated three-dimensional scene. And the fatigue feeling of watching by human eyes can be eliminated effectively.

The invention relates to an electronic equipment support which comprises a base, a first force arm, a second force arm and a supporting plate. The first force arm is connected with the base in a rotating mode, the second force arm is connected with the first force arm in a rotating mode, and the supporting plate is connected with the second force arm in a rotating mode. By means of rotatable connection between all components, multi-angle adjustment of the support is achieved. Meanwhile, a controller is utilized to automatically control all connection portions to rotate. In addition, the electronic equipment support is simple to operate and sufficient in scientific sense.

The invention discloses the application of a two-dimensional code and the mobile phone interactive technology in a wedding. The application is achieved through an invitation card webpage setting-up module, an invitation card webpage access module, a first two-dimensional code and a smart mobile phone. According to the application, the degree for spreading information explosion of the wedding is improved, the process of the wedding is greatly changed, brand new wedding experience is brought to people, the wedding is full of modern sense and scientific and technological sense, and warmth is greatly improved.

The invention discloses an air conditioner as well as a method and a device for controlling the air conditioner. The panel of the air conditioner can display by a multi-channel light-emitting diode (LED) three-color lamps in a mode of backlight; the control device of the air conditioner comprises a first detection module, a main control module and a drive control module, wherein the first detection module is used for detecting the running parameters of the air conditioner; the main control module is connected with the first detection module and is used for confirming the control command corresponding to the running parameters; and the drive control module is connected with the main control module and is used for controlling the working state of the multi-channel LED three-color lamps according to the control command. According to the air conditioner, the multi-channel LED three-color lamps are used for displaying in the mode of backlight, and the information of the running parameters of the air conditioner can be visually provided for a user by the different working states of the multi-channel LED three-color lamps, so that the air conditioner can provide rich information by the backlight display of the panel, is friendly in display and strong in scientific sense, and meets the demands of market.

The invention is suitable for the field of intelligent watches, and provides a method and a device for switching dial plates, and an intelligent watch. The method comprises the following steps: monitoring the mood change of a user; and switching the dial plates according to the mood change of the user. Through the adoption of the method, the mood change of the user is monitored, and the dial plates are switched according to the mood change of the user, so that the dial plates of the intelligent watch can be automatically switched according to the mood change of the user without manual operation, so that the use of the user is facilitated; and the watch is full in science and technology feeling, brings a dazzling feeling for the user, and meets the personality of the young. The problem that the intelligent watch is inconvenient for operation since the user needs to switch the dial plates through manual operation in the prior art is overcome.

The invention discloses an air conditioner. The air conditioner comprises a shell, a panel, a door body and a movement mechanism, wherein the shell is provided with an air outlet; the panel is arranged on the shell and is close to the air outlet; the door body is movably arranged at the air outlet to open or close the air outlet; the movement mechanism is arranged on the shell and is connected with the panel and the door body respectively; the movement mechanism drives the panel to move far from the shell to enable the door body to be accommodated between the panel and the shell when driving the door body to open the air outlet, and drives the panel to move towards the shell when driving the door body to close the air outlet. According to the air conditioner, when the door body opens the air outlet, the door body can be accommodated between the panel and the shell; when the door body closes the air outlet, the outer surface of the door body is flush with the outer surface of the panel, so that the waste of a body space is avoided and a machine body is small. Meanwhile, through diversified movement combination, the air conditioner is diversified in function and is more technical.

The invention discloses a multi-dimension-interaction holographic imaging system which includes a 360 holographic imaging cabinet, a projection system and a projection control system. The 360 holographic cabinet includes a base, a cabinet body and an imaging medium. The imaging medium is formed by four pieces of triangular phantom imaging glass. A holographic dynamic display film is attached on each of the inner surfaces of the four pieces of phantom imaging glass. The projection system includes a computer mainframe and a projector. The projection control system includes an omni-directional holder used for driving the projector to rotate in an omni-directional manner, a touch panel and a holder controller. An x-direction touch button, a y-direction touch button and a z-direction touch button are arranged on the touch panel. The omni-directional holder is installed on the base and located in an internal cavity in the cabinet body. The projector is installed on the omni-directional holder. The multi-dimension-interaction holographic imaging system is novel and reasonable in design, fashionable and beautiful, filled with a sense of science and technology, high in contrast ratio and sharpness of images, filled with a sense of space and perspective sense, convenient to install, capable of realizing interaction with people and wide in applicable range.

The invention relates to the technical field of exhibition hall exhibiting, in particular to a multifunctional exhibition hall. The multifunctional exhibition hall comprises a multi-medium exhibition stand mounted in the middle of the exhibition hall, a multi-medium exhibiting cabinet mounted on the wall of the exhibition hall and a book and newspaper exhibiting frame arranged on one side of the exhibition hall. The multi-medium exhibition stand is provided with a stand body, first display screens, first touch screens and book storage frames, wherein the first display screens, the first touch screens and the book storage frames are mounted on the stand body. The multi-medium exhibiting cabinet is provided with an exhibiting face, a manipulating plate and a material storage face. Second display screens and third display screens are mounted on the exhibiting face, second touch screens are mounted on the manipulating plate, and material storage cabinet bodies are mounted on the material storage face. The book and newspaper exhibiting frame is provided with a support, exhibiting boards, third touch screens, book and newspaper stands and a map module, and the exhibiting boards, the third touch screens and the book and newspaper stands are mounted on the support. When the whole exhibiting process is finished, leaders or clients have very strong modernized, scientific and technological feeling, namely a very good exhibiting effect is achieved, and profound impression is given to the leaders or the clients, so that convenience is provided for further development of enterprises, and very high creativity and practicality are achieved.

The invention discloses a multi-modal biological recognition system based on a holographic projection interactive mode. The system comprises a processing unit and a power supply module electrically connected with the processing unit, wherein the processing unit is electrically connected with a scene camera group, a biological recognition camera group, an LED (light emitting diode) light source group, a recognition unit, a holographic projection unit and a communication module. The system has the beneficial effects that a user can perform man-machine interaction through limb actions; various biological information recognition methods are provided; the science and technology feeling is dye-in-the-wood; the man-machine interaction mode is very friendly.

The invention discloses a voice-controlled automatic parking triggering system and an automatic parking triggering method adopting the system. The voice-controlled automatic parking triggering systemcomprises an automatic parking controller and a vehicle-mounted information entertainment terminal, wherein when the system works, a driver controls the vehicle-mounted information entertainment terminal to accept and identify an automatic parking starting voice or an automatic parking withdrawing voice through a voice control button, the automatic parking controller sends out a parking starting command or a parking withdrawing command, and a control module of the vehicle-mounted information entertainment terminal receives the automatic parking starting command or the automatic parking withdrawing command transmitted by the automatic parking controller, and controls an automatic parking video interface to be popped for displaying or withdrawn from displaying on an image display module of the vehicle-mounted information entertainment terminal in preference to an original video interface.

The invention provides an SIM card connector used for a mobile terminal. The SIM card connector comprises a shell, a card support accommodated in the shell and a locking mechanism arranged on a mainboard of the mobile terminal, wherein the locking mechanism comprises a spring bolt locked with the card support, a driving piece abutting against the card support and an unlocking piece for unlocking the spring bolt and the card support; the spring bolt comprises a tapered end matched with the card support; and the tapered end comprises a limiting surface abutting against the card support and a guiding surface. Through the technical scheme provided by the embodiment of the invention, the SIM card connector has the beneficial effects that an SIM card is physically locked due to the design of the spring bolt, and the SIM card of a user is protected from being changed, so that the safety is higher; the integrity of the appearance design of a mobile and the attractive appearance of the whole machine are strengthened, a pin hole in a case is cancelled, and the accessory of a pin is cancelled; the action of card retreating can be selectively controlled by software, so that the SIM card can be retreated at any time, and the product has high science and technology feeling.

The invention discloses a real-time touch control system for realizing aerial imaging according to laser image technology. The real-time touch control system comprises a laser image system, an aerialimaging system and an air touch control feedback system. The invention combines software and hardware of laser image technology to realize the touch control of an aerial non-medium floating imaging picture. The aerial imaging of the invention needs no medium and saves space, and direct touch is possible; and the line of sight can pass through without being obstructed. The aerial imaging of the invention has no requirements on the system of a host or the content that can be 2D or 3D, and is highly compatible; and has a strong technology sense, provides the most comfortable aerial imaging picture for different users, and brings a new visual and interactive experience. The position at which the real-time touch control system of the invention can be installed can be changed according to the required industry and scene. The invention can meet the needs of different users, so that different users can comfortably view the aerial imaging picture and touch control the aerial imaging picture inreal time.

The invention discloses an intelligent entry system of an automobile. A keyless entry start-up system connects an induced remote key signal to a BCM through a CAN bus, and the BCM outputs a control signal to a doorknob switch and a rearview mirror folding motor according to the remote key signal. According to the system disclosed by the invention, human-automobile interaction is increased, so that the sense of science and technology is brought to a user. When the user carrying a key leaves the automobile more than 3m, the automobile doors are automatically locked, the doorknobs are folded, the rearview mirrors are folded and the windows are closed. When the user carrying the key is close to the automobile less than 5m, ground lighting lamps are turned on; and when the user is continuously close to the automobile less than 3m, the door locks are unlocked, the doorknobs are unfolded, and the rearview mirrors are unfolded. In particular, the doorknobs are unfolded and folded, so that the sense of science and technology is highlighted and the user experience is enhanced greatly.

The invention belongs to the field of electric vehicle arranging, and provides an electric vehicle arranging structure which ingeniously solves the problems that battery arranging is hard, temperature is not even, the battery can easily catch a fire when being collided, the whole vehicle is not reasonable in arrangement, and cost is high. A battery pack (2) is arranged in a center channel (3) in the front-back longitudinal direction of a whole vehicle (1), movable joints (5) are arranged between battery pack bodies (4), and a gear switch (6), a hand brake (7), an emergency stop switch (8) and a balancing, temperature-controlling and liquid level display device of the battery pack (2) are arranged on the center channel (3). The two ends of the battery pack (2) are respectively provided with an electric control part (19), a direct-current convertor (20) and a mechanical buffer (21). The electric vehicle arranging structure is used for electric sightseeing vehicle, scooters, cars and the like, the whole vehicle is compact in arrangement, and a large space is saved; the axle load ratio can be easily adjusted; battery temperatures are consistent, and batteries are more safe when being collided; cost of the vehicle body and wiring harnesses is lowered; starting driving force is strong, and steering is flexible; electric energy can be saved when the vehicle passes through an uneven road face; the electric vehicle arranging structure is scientific, convenient to operate and more attractive.

The invention relates to the field of design of head up displays, in particular to a reflection screen taking-up and paying-off mechanism of a head up display. The reflection screen taking-up and paying-off mechanism of the head up display comprises a main body framework, a sliding seat and a reflection screen, wherein a first guide rail and a guide rail rack are arranged on the lateral surface of the main body framework, a second guide rail and a lead screw are arranged at the bottom of the main body framework, a lead screw is also provided, and one end of the lead screw is connected with a motor; the lateral surface of the sliding seat is provided with a boss used for being inserted into the first guide rail and a driving gear used for being meshed with the guide rail rack; a through hole sleeved with the second guide rail and a spiral tooth used for being meshed with the lead screw are arranged at the bottom of the sliding seat; the length of the first guide rail and the guide rail rack is smaller than that of the second guide rail and the lead screw; the reflection screen is installed at the top end of the sliding seat. By means of the technical scheme, a novel reflection screen taking-up and paying-off mode is provided, and the reflection screen is taken up and paid off along the rail and is more advanced and technical.

The invention provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a shell, an airflow channel, a heat exchanger, an air duct component, a draught fan and an openable door and further comprises decorative blocks and a driving mechanism, wherein the decorative blocks are connected to the two opposite ends of the openable door in a rotary mode, the decorative blocks are driven by the driving mechanism to drive the openable door to move, the air duct component comprises an upper installation plate and a lower installation plate, the upper installation plate and the lower installation plate are located at the upper end and the lower end of the air duct component respectively, the driving mechanism comprises two fixed tracks, two sliding rails and driving devices, the two fixed tracks are fixedly installed on the upper installation plate and the lower installation plate respectively, the two sliding rails are installed on the two fixed tracks in a sliding mode, the driving devices drive the sliding rails to slide relative to the corresponding fixed tracks, each decorative block comprises a front plate body and a surrounding wall which extends towards the interior of the shell from the front plate body, the front portions of the sliding rails stretch into the surrounding walls and are fixed into the surrounding walls, and the edges of the front plate bodies and the edge of the openable door are all matched with the external contour of an air outlet. The air outlet is covered with the two decorative blocks and the openable door, the sense of science and technology and the sense of fashion are improved when opening is achieved through the cooperation between the decorative blocks and the openable door, and the appearance is more attractive when the openable door is opened and closed.

The invention discloses a driver smoking detection method and system based on a computer vision technology. The driver smoking detection method comprises the steps: obtaining external image information from a camera, and carrying out the face detection in real time; when the human face is detected, selecting the maximum human face as the human face for subsequent analysis by comparing the sizes ofall detected human face areas; performing block division on the obtained maximum face area to obtain a face mouth block; calling and operating a plurality of smoking detection modules to detect the mouth block; and if any smoking detection module detects the smoking behavior, storing the corresponding smoking position while other smoking detection modules stop running. In the driver smoking detection method, the smoking detection algorithm is higher in speed, lower in hardware requirement, higher in algorithm expandability and lower in false alarm rate; and the accuracy, robustness and the like cannot be reduced, and the whole equipment is smaller in size, low in hardware cost and controllable and can be easily and widely popularized as a consumer electronic product.

The invention relates to a three-dimensional suspended parking device and method. A base plate, a bearing column and a top beam are sequentially welded end to end and form an integrated type frame in a semi-square shape. A longitudinal slide groove is formed in the bearing column, and one side of a wheel grabbing arm is embedded into the longitudinal slide groove of the bearing column. The wheel grabbing arm is connected with an electric motor located on the top beam through a steel cable and makes vertical movement in a tight and perpendicular mode in the longitudinal slide groove of the bearing column under the motor, the steel cable and the wheel grabbing arm self-weight effect. A bicycle is embedded into a groove of the other side of the wheel grabbing arm and linked with the wheel grabbing arm. The device is simple in structure, stable, novel, low in cost and convenient to install, maintain and use, the scheme that the upper portion of the device is used for parking and the portion below the device is used for bicycle and people travelling is unique, the parking spaces can have the probability of exponential order amplification to cope with the parking requirement that due to shared bicycles, the number of the bicycles is increased sharply, installation of the device has nearly zero influence on transportation, and on the contrary, the enormous environment-friendly and economic benefits can be brought to the society.

The invention discloses a box body structure with a cover opening and closing function, and belongs to the technical field of box body structures. The box body structure comprises a lower shell and anupper cover rotationally connected with the lower shell, wherein the lower shell and the upper cover are cooperatively provided with a buckle assembly, and the buckle assembly comprises a first buckle and a second buckle; the box body structure further comprises a key connected with the second buckle, a first magnet is mounted on the inner side of the key, and a second magnet which is mutually exclusive with the first magnet is mounted in a box body; the key passes through the box body and is displaced back and forth, so that the first magnet is close to or away from the second magnet; the second buckle is located on the inner side of the first buckle and is buckled with the first buckle to enable the box body to be closed; and the first buckle and the second buckle are separated to enable the box body to be opened. When an external force is not applied to the box body structure, the key can automatically returns, so that the box body structure has sense of science and technology of design, when a cover is closed, the key is pressed to enable the first buckle and the second buckle to be buckled, the abrasion and the aging of the buckle assembly are avoided, and the cost is low.

The invention discloses a novel sliding window. The novel sliding window comprises a window frame and window bodies, a first motor is fixedly connected to the side wall of the window bodies, a first sliding groove is formed in the side wall of the window bodies, and a nut is slidably connected into the first sliding groove; a threaded rod is fixedly connected to an output shaft of the first motor,and the threaded rod is mutually matched with the nut; a cleaning plate is fixedly connected to the side wall of the nut, and a guide groove is formed in the cleaning plate; a first sliding block isslidably connected to in the guide groove, and a wiping sheet is fixedly connected to the side wall of the first sliding block; and an automatic controller and a display screen are fixedly connected to the side wall of the window bodies. According to the novel sliding window, window screens are rolled in the window bodies to reduce the size, and the structure is simple; the novel sliding window isreliable and durable, can detect the content of outdoor PM 2.5, and measure indoor and outdoor temperatures; and tips are provided when the novel sliding window is opened, and the novel sliding window can be automatically opened, closed and cleaned, has strong sense of science and technology, and is convenient and practical.

The invention discloses a reflective screen retracting / spreading device of a head-up display. The device comprises a bottom shell, a reflective screen and a screen bracket for fixing the reflective screen, wherein guide slots are formed in the inner walls on the two sides of the bottom shell; parallel screw rod and guide rail extending longitudinally are arranged at the bottom of the bottom shell; one end of the screw rod is connected with a motor; a sliding seat is arranged on the guide rail; a threaded hole meshed with the screw rod is formed in the sliding seat; the screen bracket is connected with the sliding seat through a rotation shaft to realize two states of backward lying and standing; guide wheels positioned in the guide slots are arranged on the two sides of the screen bracket respectively; and the guide slots are bent grooves gradually turning up at the back. The device disclosed by the invention has the advantage that the reflective screen can be retracted into the shell of the head-up display when the head-up display is not in use; and therefore, the head-up display is more beautiful and offers better scientific and technological sense.

The invention discloses a driver calling detection method and system based on a computer vision technology. The driver calling detection method comprises the steps: obtaining external image information from a camera, and carrying out the face detection in real time; when the human face is detected, selecting the maximum human face as the human face for subsequent analysis by comparing the sizes ofall detected human face areas; performing block division on the obtained maximum face area, and calling and operating a calling detection module to detect a calling posture, wherein the calling detection module comprises a plurality of calling detection sub-modules; and if any one of the calling detection sub-modules detects a calling behavior, storing the corresponding calling position, and stoprunning other calling detection modules. According to the driver calling detection method, the calling detection algorithm is faster in speed, lower in hardware requirement, stronger in algorithm expandability and lower in false alarm rate while the accuracy, robustness and the like are not reduced, and the whole equipment is smaller in size, low in hardware cost and controllable, and is easy tobe widely popularized as a consumer electronic product.

The invention discloses an automatic parking function pushing method and system. The automatic parking function pushing method comprises the following steps that (1) a parking-in function requirementis pushed, specifically, in response to the judgment that a vehicle is in a parking lot area, the starting time of an engine is longer than or equal to first preset time, and when the gear shifting frequency in second preset time is greater than or equal to preset gear shifting frequency, an automatic parking function is pushed and used in a vehicle-mounted HU host; and (2) a parking-out functionrequirement is pushed, specifically, in response to the judgment that the distance between a mobile phone and the vehicle is smaller than or equal to a preset distance, and the linear speed is greaterthan or equal to the preset speed, the automatic parking function is pushed on a mobile terminal. According to the method, a user is guided from two aspects of a scene and a parking strategy, and theproblems that a current automatic parking function is low in utilization rate, parking by the user is difficult and a parking process is unsafe are solved.

The invention provides a display panel and an electric appliance including the same. The display panel comprises a surface cover, a PCB, a key bracket, a digital tube bracket, a panel unit, light emitting elements and key springs, wherein the surface cover is fixed on an electric appliance shell; the PCB is fixed on the surface cover; the key bracket is fixed on the PCB, and light-penetrable lamp holes are formed in the key bracket; the digital tube bracket is fixed on the PCB, and a plurality of first light-penetrable holes are formed in the digital tube bracket; the panel unit is fixed on the surface cover and comprises a substrate and a surface film formed on the substrate; the light emitting elements are respectively arranged on the rear sides of the key bracket and the digital tube bracket and are used for supplying light; the key springs are arranged in the lamp holes, one ends of the key springs are electrically connected with a circuit end on the PCB, and the other ends of the key springs prop against the inner side of the panel unit; patterns and words are formed on the surface film, and ink is printed to regions, except the patterns and the words, on the inner side of the surface film.

The invention relates to the field of air purifiers and discloses a liftable air purifier air door. The liftable air purifier air door comprises a small air door body, a big air door body, a face plate and a transmission device. The small air door body covers a ventilation opening in the middle of the big air door. The big air door body covers a ventilation opening in the middle of the face plate. The transmission device comprises a motor, a driving block and a push rod. One end of the push rod is connected with the small air door body and the big air door body, and the other end of the push rod is connected with the driving block. The motor drives the push rod to move up and down through the driving block, so that the small air door body and the big air door body are opened and closed. The liftable air purifier air door has the beneficial effects that by adopting the liftable air door, wind is evenly blown out from the periphery of the air door, noise can be reduced, and diffusion of clean air is facilitated; the opening degree of the air door can be adjusted by controlling the lifting degree of the small air door body and the big air door body, so that flexibility is higher, and the liftable air purifier air door is rich in scientific and technological sense; and when a purifier is stopped, the air door is automatically closed, dust can be prevented from entering the machine, and secondary pollution can be avoided.