Automobile center screen

Abstract

The application relates to a car central control screen and relates to the field of car instruments. In order to solve the problem that when a cleaning brush cleans the screen, large-particle dust attached to the cleaning brush is easy to scratch the screen along with the lifting of the lifting screen, the application comprises a lifting screen, a cleaning brush and a dust blowing mechanism, the cleaning brush contacts the lifting screen to clean the screen during the lifting of the lifting screen; when the lifting screen is lowered, the dust blowing mechanism blows air towards the cleaning brush to avoid that the large-particle dust is attached to the cleaning brush to scratch the lifting screen. The application is mainly used for cleaning the lifting screen of a car.

Description

Technical Field

[0001] The present invention relates to the field of automobile instruments, and in particular to an automobile central control screen. Background Art

[0002] Central control screens are now standard features in many cars, integrating functions such as map navigation, radio, music playback, and even air conditioning control. One type of central control screen is designed to be retractable, rising when the car is started and lowering and stowing into the dashboard when the car is parked and shut down. Because the raised screen is exposed to the elements, dust easily accumulates on the surface. Therefore, these screens are often equipped with a screen cleaning device. During the raising and lowering of the screen, the screen moves relative to a cleaning brush, which removes dust adhering to the screen surface and keeps it clean. However, dust and impurities can cling to the cleaning brush. As the screen is raised and lowered, large dust particles attached to the brush can easily scratch the screen, affecting its performance. Summary of the Invention

[0003] In view of this, the present invention provides a car central control screen, which uses the airflow generated by the dust blowing mechanism to clean the large particles of dust attached to the cleaning brush, thereby preventing these large particles of dust from scratching the lifting screen when the cleaning brush contacts the lifting screen.

[0004] To achieve the above objectives, the present invention provides the following technical solutions.

[0005] 1. Car central control screen, including:

[0006] Lift screen;

[0007] a cleaning brush, the cleaning brush contacting the lifting screen to clean the screen during the lifting and lowering process of the lifting screen;

[0008] Soot blowing mechanism: When the lifting screen descends, the soot blowing mechanism blows air toward the cleaning brush to prevent large particles of dust from adhering to the cleaning brush and scratching the lifting screen.

[0009] When the lifting screen is lowered and stored in the instrument panel, the dust blowing mechanism blows air toward the cleaning brush to clean off large particles of dust attached to the cleaning brush, thereby preventing these large particles of dust from scratching the lifting screen when the cleaning brush contacts the cleaning lifting screen.

[0010] 2. Based on Technical Solution 1, the sootblowing mechanism includes:

[0011] lower airbag;

[0012] Soot blowing channel, the inlet of the soot blowing channel is connected to the lower air bag, and the outlet is aimed at the cleaning brush;

[0013] When the lifting screen descends, the air bag is squeezed to exhaust air, and the soot blowing channel blows air toward the cleaning brush.

[0014] 3. Based on Technical Solution 1, it also includes:

[0015] Ash discharge channel: when the ash blowing mechanism blows air toward the cleaning brush, the airflow is discharged through the ash discharge channel;

[0016] Dust filtering mechanism, the dust filtering mechanism is arranged in the dust discharge channel;

[0017] The dust filtering mechanism absorbs dust from the air flow passing through to reduce dust in the vehicle.

[0018] 4. Based on Technical Solution 3, the dust filtering mechanism includes:

[0019] Adsorption roller, used for adsorbing dust in the air flow passing through the dust discharge channel;

[0020] Sootblowing chamber, equipped with a sootblowing inlet;

[0021] Soot cleaning and blowing components can blow air into the soot blowing chamber;

[0022] When the lifting screen rises, the adsorption roller moves from the ash discharge channel through the ash blowing inlet to the ash blowing chamber. The ash blowing inlet is closed, and the dust cleaning and blowing assembly blows air into the ash blowing chamber to clean the dust adsorbed on the adsorption roller. When the lifting screen descends, the ash blowing inlet opens, and the adsorption roller moves from the ash blowing chamber to the ash discharge channel.

[0023] 5. Based on Technical Solution 4, the dust cleaning and air blowing components include:

[0024] an air intake passage, provided with an opening;

[0025] Connecting air duct, connecting the air inlet channel and the soot blowing chamber;

[0026] The closure cover is provided with a cover and two side plates, the two side plates are respectively connected to the two sides of the cover, the cover is arranged in the air inlet channel and can move along the air inlet channel, and the cover can block the connecting air channel; both side plates are provided with guide holes, and the two ends of the rotating shaft of the adsorption roller are respectively inserted into the guide holes of the two side plates and can move along the guide holes;

[0027] an air supply device connected to the air intake passage;

[0028] When the lifting screen rises, the air supply device blows air into the air inlet channel to form an airflow. The airflow pushes the cover to move along the air inlet channel and drives the closing cover to rotate. The adsorption roller is guided and driven by the guide hole and moves into the soot blowing chamber through the soot blowing inlet. The cover extends from the opening of the air inlet channel to close the soot blowing inlet. After the soot blowing inlet is completely closed, the cover no longer blocks the connecting airway. The airflow is blown into the soot blowing chamber from the connecting airway to blow the adsorption roller to rotate and clean the dust adsorbed by the adsorption roller.

[0029] 6. Based on technical solution 5, the air supply device includes an upper air bag. The lifting screen rises and squeezes the upper air bag. The gas in the upper air bag is blown into the air inlet channel to form an airflow.

[0030] 7. Based on Technical Solution 5, the dust filtering mechanism further includes: a dust collecting bin for collecting dust blown off the adsorption roller;

[0031] Ash collection channel, connecting the dust collection bin and the soot blowing chamber;

[0032] The closed cover is also provided with a dust shield;

[0033] The dust cleaning and blowing assembly is also provided with a reset spring. When the lifting screen stops or descends, the air supply device stops blowing air into the air inlet channel. The reset spring pushes the adsorption roller to move toward the dust discharge channel, and drives the closing cover to rotate in the opposite direction through the guide hole. The cover is retracted into the air inlet channel to open the dust blowing inlet and block the connecting air channel. The dust baffle moves to the dust collection channel to block the dust collection channel.

[0034] 8. Based on Technical Solution 2, it also includes:

[0035] A lifting plate is connected to the lifting screen and drives the lifting screen to move up and down. The lower airbag is installed on the lower side of the lifting plate. The air inlet and exhaust port of the lower airbag are both provided with a second one-way valve.

[0036] When the lifting plate drives the lifting screen to rise, the lower airbag is stretched by the lifting plate and is under negative pressure, and the second one-way valve at the air inlet of the lower airbag opens to inflate the lower airbag.

[0037] 9. Based on Technical Solution 6, it also includes:

[0038] A lifting plate is connected to the lifting screen and drives the lifting screen to move up and down. The upper airbag is installed on the upper side of the lifting plate. The air inlet and exhaust port of the upper airbag are both provided with a first one-way valve.

[0039] When the lifting plate drives the lifting screen to descend, the upper airbag is stretched by the lifting plate and is under negative pressure, and the first one-way valve at the air inlet of the upper airbag opens to inflate the upper airbag. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a structural diagram of the cooperation between the automobile central control screen and the instrument panel of the present invention.

[0041] Figure 2 The structure of the car central control screen of the present invention is shown as follows Figure 1 .

[0042] Figure 3 The structure of the car central control screen of the present invention is shown as follows Figure 2 .

[0043] Figure 4 This is a cross-sectional diagram of a car's central control screen.

[0044] Figure 5 This is an exploded view of the car's central control screen.

[0045] Figure 6 It is a cross-sectional schematic diagram of the closed cover.

[0046] Description of reference numerals:

[0047] Lifting screen 1, cleaning brush 2, dust discharge channel 3;

[0048] Soot blowing mechanism 4, lower air bag 41, second one-way valve 411, first exhaust pipe 42, soot blowing channel 43;

[0049] Screen drive mechanism 5, drive motor 51, ball screw pair 52, lifting plate 53, air duct 531, filter 532;

[0050] Adsorption roller 6; rotating shaft 61, guide block 62;

[0051] Upper cover plate 7, soot blowing chamber 71, soot blowing inlet 711, support plate 72, circular groove 721, transverse guide groove 722;

[0052] Dust cleaning and blowing assembly 8, air inlet channel 81, connecting air channel 82, first air hole 821, second air hole 822, closing cover 83, sealing cover 831, curved air channel 8311, side plate 832, guide hole 8321, dust baffle 833, air supply device 84, second exhaust pipe 841, upper air bag 842, first one-way valve 8421, return spring 85, dust collection bin 86, dust collection channel 87. DETAILED DESCRIPTION

[0053] The present invention is described in detail below with reference to specific embodiments.

[0054] See also Figures 1 to 6 This embodiment provides a central control screen for an automobile, comprising a lifting screen 1, a cleaning brush 2, a dust-blowing mechanism 4, and a screen drive mechanism 5. The screen drive mechanism 5 drives the lifting screen 1 up and down. The cleaning brush 2 is fixedly mounted in the instrument panel and contacts the lifting screen 1 to clean the screen during the lifting process. Since the lifting screen 1 is exposed to the outside after being raised, dust easily adheres to the screen surface. Therefore, when the lifting screen 1 is lowered and stored in the instrument panel, dust on the surface of the lifting screen 1 easily adheres to the cleaning brush 2. The dust-blowing mechanism 4 blows air toward the cleaning brush 2 to remove large dust particles attached to the cleaning brush 2, thereby preventing these large dust particles from scratching the lifting screen 1 when the cleaning brush 2 contacts the lifting screen 1.

[0055] See also Figures 3 to 5The soot blowing mechanism 4 includes a lower air bag 41, a first exhaust pipe 42 and a soot blowing channel 43. The inlet of the soot blowing channel 43 is connected to the lower air bag 41 via the first exhaust pipe 42, and the outlet of the soot blowing channel 43 is aligned with the cleaning brush 2. The screen driving mechanism 5 is connected to the lower air bag 41 and can squeeze the lower air bag 41 to exhaust. When the screen driving mechanism 5 drives the lifting screen 1 to descend, it also squeezes the lower air bag 41 to exhaust. The gas in the lower air bag 41 flows through the first exhaust pipe 42 and is blown into the soot blowing channel 43. The soot blowing channel 43 then blows air toward the cleaning brush 2 to blow away large particles of dust attached to the cleaning brush 2. Since the soot blowing mechanism 4 uses an air bag to supply air, and the air bag is squeezed by the screen driving mechanism 5, the descent of the lifting screen 1 and the start-up of the soot blowing mechanism 4 are synchronized, reducing the setting of the power mechanism and control switch for additionally starting the soot blowing mechanism 4 and simplifying the structure.

[0056] See also Figures 3 to 5 The aforementioned automobile central control screen further includes a dust discharge channel 3 and a dust filtering mechanism. When the dust blowing mechanism 4 blows air toward the cleaning brush 2, the airflow is discharged into the vehicle through the dust discharge channel 3. The dust filtering mechanism is arranged in the dust discharge channel 3 and absorbs dust in the airflow passing through it to reduce dust in the vehicle. Since the dust blown up by the cleaning brush 2 is discharged into the vehicle through the dust discharge channel 3 formed between the lifting screen 1 and the instrument panel, the airflow mixed with dust will raise dust in the vehicle, causing adverse effects on the health of the occupants and the environment inside the vehicle. Therefore, a dust filtering mechanism is provided in the dust discharge channel 3 to filter the airflow mixed with dust, reduce the dust content of the gas discharged from the dust discharge channel 3, reduce the occurrence of dust in the vehicle, and thus avoid affecting the health of the occupants and polluting the environment inside the vehicle.

[0057] See also Figure 4The dust filtering mechanism includes a suction roller 6, an upper pressure cover plate 7, and a dust-cleaning air blowing assembly 8. The suction roller 6 is movably mounted within the dust discharge channel 3 and is used to absorb dust from the airflow passing through the channel 3. The upper pressure cover plate 7 is located on the side of the suction roller 6 facing away from the lifting screen 1. A groove is formed on the surface of the upper pressure cover plate 7 facing the lifting screen 1 to form a dust-blowing chamber 71. A dust-blowing inlet 711 of the dust-blowing chamber 71 faces the suction roller 6. The dust-cleaning air blowing assembly 8 is mounted on the upper pressure cover plate 7 and is capable of blowing air into the dust-blowing chamber 71. When the lifting screen 1 ascends, the suction roller 6 moves from the dust discharge channel 3 into the dust-blowing chamber 71 through the dust-blowing inlet 711. The dust-blowing inlet 711 is closed, and the dust-cleaning air blowing assembly 8 blows air into the dust-blowing chamber 71 to clear dust adsorbed on the suction roller 6. When the lifting screen 1 descends, the dust-blowing inlet 711 opens, and the suction roller 6 moves from the dust-blowing chamber 71 back to the dust discharge channel 3 to again absorb dust from the airflow within the channel 3. When the dust filtering mechanism absorbs too much large dust particles or moisture, the adsorption capacity of the adsorption roller 6 becomes weak, resulting in a weakened dust prevention effect in the vehicle. Therefore, a dust cleaning and blowing assembly 8 that can generate airflow and a dust blowing chamber 71 for collecting dust are provided. The dust cleaning and blowing assembly 8 blows air into the dust blowing chamber 71 to generate airflow, and uses the airflow to blow off the dust adsorbed on the adsorption roller 6, so that the electrostatic adsorption capacity of the adsorption roller 6 can be restored. At the same time, in order to prevent the dust blown off the adsorption roller 6 from being blown to the cleaning brush 2 and the dust discharge channel 3, causing the screen to be scratched again and the dust from entering the vehicle through the dust discharge channel 3, the dust blown off is collected by the dust blowing chamber 71, and only when the dust blowing inlet 711 is completely closed will the dust cleaning and blowing assembly 8 blow air to the adsorption roller 6 to clean the dust. It should be noted that the adsorption roller 6 is provided with a rotating shaft 61, and the surface of the rotating shaft 61 is wrapped with materials with electrostatic adsorption ability such as microfiber cloth or wool. The electrostatic adsorption ability is used to achieve the adsorption of large particles of dust. At the same time, the material of microfiber cloth or wool is very fluffy and soft and will not scratch the screen surface.

[0058] See also Figure 4 The soot-cleaning air blowing assembly 8 includes an air inlet channel 81, a connecting air channel 82, a sealing cover 83 and an air supply device 84; an arc-shaped slide groove is provided in the upper cover plate 7 as the air inlet channel 81, and the air inlet channel 81 is located on one side of the soot-blowing inlet 711 of the soot-blowing chamber 71, and has an opening toward the side of the lifting screen 1. A first air hole 821 is provided between the air inlet channel 81 and the soot-blowing chamber 71, and the first air hole 821 is close to the opening of the air inlet channel 81. Figure 5 , a support plate 72 is provided on each side of the upper cover plate 7, and each support plate 72 is provided with a circular groove 721 and a transverse guide groove 722. Figure 5The closing cover 83 includes an arc-shaped cover 831 and two circular side plates 832, and the two side plates 832 are respectively connected to the two sides of the cover 831 and inserted into the circular grooves 721 of the support plates 72 on both sides; the cover 831 is arranged in the air inlet channel 81 and can move along the air inlet channel 81, and the cover 831 can block the first air hole 821; the cover 831 is provided with an arc-shaped air channel 8311 on the side facing the air inlet channel 81, and the arc-shaped air channel 8311 is communicated with the air inlet channel 81; a second air hole 822 is provided on the cover 831 and near the opening of the arc-shaped air channel 8311. When the cover 831 moves into place along the air inlet channel 81, the first air hole 821 and the second air hole 822 are aligned and form a connecting air channel 82, which connects the air inlet channel 81 with the soot blowing chamber 71 via the connecting air channel 82. Both side plates 832 are provided with guide holes 8321. The two ends of the rotating shaft 61 of the suction roller 6 are respectively inserted into the guide holes 8321 of the two side plates 832 and can move along the guide holes 8321. The two ends of the rotating shaft 61 of the suction roller 6 are also provided with a guide block 62. The guide block 62 is installed in the transverse guide groove 722 of the support plate 72 and can move along the transverse guide groove 722. Figure 4The air supply device 84 includes a second exhaust pipe 841 and an upper air bag 842. The screen driving mechanism 5 is connected to the upper air bag 842 and can squeeze the upper air bag 842 to exhaust air. The upper air bag 842 is connected to the air inlet channel 81 via the second exhaust pipe 841 to blow air into the air inlet channel 81 to form an airflow. When the lifting screen 1 rises, the screen driving mechanism 5 squeezes the upper air bag 842 to exhaust air, and the gas in the upper air bag 842 is blown into the air inlet channel 81 to form an airflow. The air pressure in the air inlet channel 81 increases, and the airflow pushes the cover 831 to move along the air inlet channel 81. Since the air inlet channel 81 and the cover 831 are both arc-shaped, the cover 831 also forms a rotational motion during the movement in the air inlet channel 81. Therefore, the cover 831 drives the side plate 832 to rotate, and the adsorption roller 6 is guided and driven by the guide hole 8321 and the transverse guide groove 722, and moves into the soot blowing chamber 71 through the soot blowing inlet 711. Driven by the airflow, the cover 831 extends from the opening of the air inlet channel 81 and moves from one side of the sootblowing inlet 711 to the other side to close the sootblowing inlet 711. When the sootblowing inlet 711 is completely closed, the first air hole 821 and the second air hole 822 are aligned to form a connecting air channel 82, which connects the air inlet channel 81 with the sootblowing chamber 71. At this time, the suction roller 6 also moves into position. The airflow generated by the upper airbag 842 blowing air into the air inlet channel 81 is blown into the sootblowing chamber 71 through the connecting air channel 82. The airflow blows toward the suction roller 6 to blow away the dust adsorbed by the suction roller 6. It should be noted that when the airflow generated by the upper airbag 842 blows air toward the suction roller 6, since the airflow is always blown into the sootblowing chamber 71 from the air inlet channel 81, the air pressure in the air inlet channel 81 remains unchanged, and the cover 831 is always in position to close the sootblowing inlet 711. In this embodiment, if the suction roller 6 starts to blow dust before the soot blowing inlet 711 is completely closed, the blown dust will be blown from the soot blowing inlet 711 onto the cleaning brush 2 and into the soot discharge channel 3. Therefore, with the linkage design of the sealing cover 83 and the suction roller 6, and the ingenious design between the air inlet channel 81, the connecting air channel 82 and the soot blowing chamber 71, the airflow generated by the upper airbag 842 can be used to first drive the sealing cover 831 to rotate to close the soot blowing inlet 711, and then blow air to the suction roller 6 to blow away the adsorbed dust, thereby avoiding premature cleaning of the suction roller 6 before the soot blowing inlet 711 is completely closed. Since the power for the operation of the entire soot cleaning and blowing assembly 8 is derived from the air supply device 84, the provision of additional power devices is reduced, and the overall structure is simple.

[0059] See also Figure 4 The dust filtering mechanism also includes a dust collecting bin 86 and a dust collecting channel 87. The dust collecting bin 86 is used to collect the dust blown off by the adsorption roller 6. The dust collecting channel 87 connects the dust collecting bin 86 with the soot blowing chamber 71 and guides the dust blown off by the adsorption roller 6 in the soot blowing chamber 71 into the dust collecting bin 86. Figure 5The closed cover 83 is further provided with an ash baffle 833, the two ends of which are respectively connected to the two side plates 832 and rotate with the side plates 832. Figure 5 The dust cleaning and blowing assembly 8 is also provided with two return springs 85, which are respectively arranged at the two ends of the adsorption roller 6. One end of each return spring 85 is connected to the guide block 62, and the other end is connected to the support plate 72. When the lifting screen 1 rises, the adsorption roller 6 moves laterally from the ash discharge channel 3 to the ash blowing chamber 71. As the adsorption roller 6 moves, the return spring 85 is compressed to store elastic force; when the lifting screen 1 stops or descends, since the upper air bag 842 is no longer squeezed, the upper air bag 842 stops blowing air into the air inlet channel 81. The adsorption roller 6 is pushed by the rebound force of the return spring 85 and moves from the ash blowing chamber 71 to the ash discharge channel 3. At the same time, the adsorption roller 6 drives the closing cover 83 to rotate in the opposite direction through the guide hole 8321. The sealing cover 831 is retracted into the air inlet channel 81 to open the ash blowing inlet 711 and block the connecting air channel 82. The side plate 832 drives the ash baffle 833 to move to the ash collecting channel 87 to block the ash collecting channel 87. When the lifting screen 1 descends, the soot blowing mechanism 4 needs to blow air toward the cleaning brush 2, and the adsorption roller 6 moves from the soot blowing chamber 71 to the soot discharge channel 3 to absorb dust, so the entrance of the soot blowing chamber 71 needs to be opened. At this time, there is airflow flowing through the soot discharge channel 3. Due to the Bernoulli principle, the air pressure in the soot blowing chamber 71 and the dust collection bin 86 will be higher than the air pressure in the soot discharge channel 3, causing the dust collected in the dust collection bin 86 to be re-absorbed into the soot discharge channel 3, thereby causing secondary contamination of the adsorption roller 6 and weakening the adsorption effect of the adsorption roller 6. Therefore, when the lifting screen 1 stops or descends, when the adsorption roller 6 moves from the soot blowing chamber 71 to the soot discharge channel 3, the linkage sealing cover 83 rotates in the opposite direction, and the dust baffle 833 moves to the soot collection channel 87 to block the soot collection channel 87, thereby preventing the dust collected in the dust collection bin 86 from being re-absorbed into the soot discharge channel 3.

[0060] See also Figure 2 and Figure 3 The screen driving mechanism 5 includes a driving motor 51, a ball screw pair 52 and a lifting plate 53. The driving motor 51 drives the screw in the ball screw pair 52 to rotate. The lifting plate 53 is connected to the screw nut in the ball screw pair 52 and can rise or fall with the screw nut. The lifting screen 1 is installed on the lifting plate 53 and rises and falls with the lifting plate 53. Figure 4The lifting plate 53 is provided with an air passage 531 connected to the outside world, and a filter 532 is installed in the air passage 531. The upper airbag 842 and the lower airbag 41 are respectively arranged on the upper and lower sides of the lifting plate 53. One end of the upper airbag 842 is connected to the lifting plate 53 and rises and falls with the lifting plate 53, while the other end is fixed. One end of the lower airbag 41 is connected to the lifting plate 53 and rises and falls with the lifting plate 53, while the other end is also fixed. The air inlet of the upper airbag 842 and the air inlet of the lower airbag 41 are respectively connected to the air passage 531, and the air inlet and exhaust of the upper airbag 842 are both provided with a first one-way valve 8421. The two first one-way valves 8421 are alternately opened when the upper airbag 842 is inhaled or exhausted. The air inlet and exhaust of the lower airbag 41 are both provided with a second one-way valve 411. The two second one-way valves 411 are alternately opened when the lower airbag 41 is inhaled or exhausted. When the lifting screen 1 is raised, the upper air bag 842 is squeezed and exhausted to drive the sealing cover 83 and the suction roller 6 to rotate; when the lifting screen 1 is lowered, the lower air bag 41 is squeezed and exhausted to generate an airflow to blow away large particles of dust attached to the cleaning brush 2. As the lifting screen 1 is used, the upper air bag 842 and the lower air bag 41 need to be inflated to facilitate the next use. Therefore, a lifting plate 53 is provided, which has both a squeezing and exhausting effect on the upper air bag 842 and the lower air bag 41, and a stretching and inflating effect; when the driving motor 51 drives the screw to rotate, the screw nut drives the lifting plate 53 to rise, and the lifting plate 53 drives the lifting screen 1 to rise and squeezes the upper air bag 842 to exhaust. The lifting plate 53 also stretches the lower air bag 41, so that the volume of the lower air bag 41 gradually increases and is in a negative pressure. The second one-way valve 411 at the air inlet of the lower air bag 41 automatically opens under negative pressure, and the outside air enters the lower air bag 41 through the air duct 531 in the lifting plate 53 and the second one-way valve 411 at the air inlet of the lower air bag 41. The second one-way valve 411 at the exhaust port of the lower air bag 41 is closed to realize the inflation of the lower air bag 41, and also prevent the gas mixed with dust in the ash discharge channel 3 from entering the lower air bag 41. The lifting plate 53 drives the lifting screen 1 downward and squeezes the lower airbag 41 to exhaust air. The lifting plate 53 also stretches the upper airbag 842, causing the volume of the upper airbag 842 to gradually increase and be under negative pressure. The first one-way valve 8421 at the air inlet of the upper airbag 842 automatically opens under the negative pressure, allowing outside air to enter the upper airbag 842 through the airway 531 in the lifting plate 53 and the first one-way valve 8421 at the air inlet of the upper airbag 842. The first one-way valve 8421 at the exhaust port of the upper airbag 842 closes, thereby inflating the upper airbag 842. The filter 532 disposed in the airway of the lifting plate 53 filters the air entering the upper airbag 842 and the lower airbag 41 to reduce the dust content of the gas within the airbags.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. Car central control screen, including: Lift screen; a cleaning brush, the cleaning brush contacting the lifting screen to clean the screen during the lifting and lowering process of the lifting screen; It is characterized by further comprising: Soot blowing mechanism: When the lifting screen descends, the soot blowing mechanism blows air towards the cleaning brush to prevent large particles of dust from adhering to the cleaning brush and scratching the lifting screen; Ash discharge channel: when the ash blowing mechanism blows air toward the cleaning brush, the airflow is discharged through the ash discharge channel; Dust filtering mechanism, the dust filtering mechanism is arranged in the dust discharge channel; The dust filter absorbs dust from the airflow to reduce dust in the vehicle; Adsorption roller, used for adsorbing dust in the air flow passing through the dust discharge channel; Sootblowing chamber, equipped with a sootblowing inlet; Soot cleaning and blowing components can blow air into the soot blowing chamber; When the lifting screen rises, the adsorption roller moves from the dust discharge channel through the dust blowing inlet to the dust blowing chamber. The dust blowing inlet is closed, and the dust cleaning and blowing assembly blows air into the dust blowing chamber to clean the dust adsorbed on the adsorption roller. When the lifting screen descends, the dust blowing inlet opens, and the adsorption roller moves from the dust blowing chamber to the dust discharge channel. an air intake passage, provided with an opening; Connecting air duct, connecting the air inlet channel and the soot blowing chamber; The closure cover is provided with a cover and two side plates, the two side plates are respectively connected to the two sides of the cover, the cover is arranged in the air inlet channel and can move along the air inlet channel, and the cover can block the connecting air channel; both side plates are provided with guide holes, and the two ends of the rotating shaft of the adsorption roller are respectively inserted into the guide holes of the two side plates and can move along the guide holes; an air supply device connected to the air intake passage; When the lifting screen rises, the air supply device blows air into the air inlet channel to form an airflow. The airflow pushes the cover to move along the air inlet channel and drives the closing cover to rotate. The adsorption roller is guided and driven by the guide hole and moves into the soot blowing chamber through the soot blowing inlet. The cover extends from the opening of the air inlet channel to close the soot blowing inlet. After the soot blowing inlet is completely closed, the cover no longer blocks the connecting airway. The airflow is blown into the soot blowing chamber from the connecting airway to blow the adsorption roller to rotate and clean the dust adsorbed by the adsorption roller.

2. The car central control screen according to claim 1, characterized in that: The sootblowing mechanism includes: lower airbag; Soot blowing channel, the inlet of the soot blowing channel is connected to the lower air bag, and the outlet is aimed at the cleaning brush; When the lifting screen descends, the air bag is squeezed to exhaust air, and the soot blowing channel blows air toward the cleaning brush.

3. The car central control screen according to claim 1, characterized in that: The air supply device includes an upper air bag. The lifting screen rises and squeezes the upper air bag. The gas in the upper air bag is blown into the air inlet channel to form an air flow.

4. The car central control screen according to claim 1, characterized in that: The dust filtering mechanism further comprises: a dust collecting bin for collecting dust blown off by the adsorption roller; Ash collection channel, connecting the dust collection bin and the soot blowing chamber; The closed cover is also provided with a dust shield; The dust cleaning and blowing assembly is also provided with a reset spring. When the lifting screen stops or descends, the air supply device stops blowing air into the air inlet channel. The reset spring pushes the adsorption roller to move toward the dust discharge channel, and drives the closing cover to rotate in the opposite direction through the guide hole. The cover is retracted into the air inlet channel to open the dust blowing inlet and block the connecting air channel. The dust baffle moves to the dust collection channel to block the dust collection channel.

5. The car central control screen according to claim 2, characterized in that: Also includes: A lifting plate is connected to the lifting screen and drives the lifting screen to move up and down. The lower airbag is installed on the lower side of the lifting plate. The air inlet and exhaust port of the lower airbag are both provided with a second one-way valve. When the lifting plate drives the lifting screen to rise, the lower airbag is stretched by the lifting plate and is under negative pressure, and the second one-way valve at the air inlet of the lower airbag opens to inflate the lower airbag.

6. The car central control screen according to claim 3, characterized in that: Also includes: A lifting plate is connected to the lifting screen and drives the lifting screen to move up and down. The upper airbag is installed on the upper side of the lifting plate. The air inlet and exhaust port of the upper airbag are both provided with a first one-way valve. When the lifting plate drives the lifting screen to descend, the upper airbag is stretched by the lifting plate and is under negative pressure, and the first one-way valve at the air inlet of the upper airbag opens to inflate the upper airbag.

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