Mist removing device, controlling method thereof, mist removing system and control element

Patent metadata

Field	Value
Publication number	US-11570854-B2
Application number	US-201916622787-A
Country	US
Kind code	B2
Filing date	Mar 26, 2019
Priority date	Apr 17, 2018
Publication date	Jan 31, 2023
Grant date	Jan 31, 2023

Abstract

A mist removing device, a controlling method thereof a mist removing system and a control element are provided, which relate to the field of mist removing technology. The mist removing device includes power supply module, electrode array and insulating layer. Electrode array and insulating layer are arranged on substrate in stacked manner in direction away from substrate. Orthographic projection of insulating layer onto substrate covers orthographic projection of electrode array onto substrate. Power supply module is connected with electrode array. Power supply module is configured to supply power to electrode array such that electrode array forms electric field to cause droplets in mist to converge under action of electric field, where mist is formed on side of insulating layer away from substrate. Mist on surface of substrate can be effectively removed.

First claim

What is claimed is:

1. A mist removing device, comprising:
a power supply module, an electrode array and an insulating layer, wherein the electrode array and the insulating layer are arranged on a substrate in a stacked manner in a direction away from the substrate, an orthographic projection of the insulating layer onto the substrate covers an orthographic projection of the electrode array onto the substrate, and the power supply module is connected with the electrode array;
wherein the power supply module is configured to supply power to the electrode array such that the electrode array forms an electric field to cause droplets in a mist to converge under action of the electric field, and wherein the mist is formed on a side of the insulating layer away from the substrate;
wherein the electrode array comprises at least two strip-like electrodes spaced apart from each other in a target direction, a length extension direction of the strip-like electrode is perpendicular to the target direction, and the at least two strip-like electrodes comprise a first strip-like electrode and a second strip-like electrode;
wherein the power supply module is configured to supply power to the first strip-like electrode and the second strip-like electrode such that a voltage is formed between the first strip-like electrode and the second strip-like electrode;
wherein a width of the first strip-like electrode is greater than a width of the second strip-like electrode, and a potential of the first strip-like electrode is higher than a potential of the second strip-like electrode.

2. The mist removing device according to claim 1 , wherein the at least two strip-like electrodes comprise a plurality of first strip-like electrodes and a plurality of second strip-like electrodes, and the plurality of first strip-like electrodes and the plurality of second strip-like electrodes are alternately arranged in the target direction.

3. The mist removing device according to claim 2 , wherein the plurality of first strip-like electrodes is arranged at equal intervals, and the plurality of second strip-like electrodes is arranged at equal intervals.

4. The mist removing device according to claim 2 , further comprising a control module, wherein the control module is configured to control the power supply module to apply the voltage between the first strip-like electrode and the second strip-like electrode.

5. The mist removing device according to claim 4 , wherein the control module is configured to control the power supply module to sequentially supply power to the plurality of first strip-like electrodes in the target direction.

6. The mist removing device according to claim 1 , wherein a target surface of the substrate has a first region and a second region, the first region and the second region extend in the target direction, a height of the target surface gradually decreases in the target direction, and the target surface is a surface on which the electrode array is arranged; and
wherein the electrode array is within the first region.

7. The mist removing device according to claim 1 , further comprising a hydrophobic layer on a side of the insulating layer away from the substrate.

8. The mist removing device according to claim 7 , wherein the electrode array, the insulating layer and the hydrophobic layer each are a transparent structure.

9. The mist removing device according to claim 8 , wherein a material of the electrode array is indium tin oxide, a material of the insulating layer is methyl methacrylate, and a material of the hydrophobic layer is nanostructured glass.

10. The mist removing device according to claim 1 , wherein the substrate is a mirror, or, a windshield of a vehicle.

11. A mist removing system, comprising: a substrate and a mist removing device on at least one side of the substrate, wherein the mist removing device comprises the mist removing device according to claim 1 .

12. A method of controlling a mist removing device, applied to controlling the mist removing device according to claim 1 , wherein the method comprises:
controlling the power supply module to supply power to the electrode array such that the electrode array forms an electric field to cause droplets in a mist to converge under action of the electric field, wherein the mist is formed on the side of the insulating layer away from the substrate.

13. The method according to claim 12 , wherein the controlling the power supply module to supply power to the electrode array comprises:
controlling the power supply module to apply a voltage between the first strip-like electrode and the second strip-like electrode.

14. The method according to claim 13 , wherein the at least two strip-like electrodes comprises a plurality of first strip-like electrodes and a plurality of second strip-like electrodes, the plurality of first strip-like electrodes and the plurality of second strip-like electrodes are alternately arranged in the target direction, and the controlling the power supply module to apply a voltage between the first strip-like electrode and the second strip-like electrode comprises:
controlling the power supply module to sequentially supply power to the plurality of first strip-like electrodes in the target direction.

15. A control element, applied to controlling the mist removing device according to claim 1 , wherein the control element comprises: a memory and a processor;
wherein the memory is configured to store a computer program; and
wherein the processor is configured to execute the computer program stored in the memory, to implement the following steps:
controlling the power supply module to supply power to the electrode array such that the electrode array forms an electric field to cause droplets in a mist to converge under action of the electric field, wherein the mist is formed on the side of the insulating layer away from the substrate.

16. A non-transitory computer storage medium, wherein, when a program in the computer storage medium is executed by a processor, the method according to claim 12 is implemented.

17. The mist removing device according to claim 2 , further comprising a hydrophobic layer on a side of the insulating layer away from the substrate.

18. The mist removing system according to claim 11 , wherein the at least two strip-like electrodes comprise a plurality of first strip-like electrodes and a plurality of second strip-like electrodes, and the plurality of first strip-like electrodes and the plurality of second strip-like electrodes are alternately arranged in the target direction.

19. The mist removing system according to claim 18 , wherein the plurality of first strip-like electrodes is arranged at equal intervals, and the plurality of second strip-like electrodes is arranged at equal intervals.

20. The mist removing system according to claim 18 , wherein the mist removing device further comprises a control module, wherein the control module is configured to control the power supply module to apply the voltage between the first strip-like electrode and the second strip-like electrode.

Assignees

• Beijing Boe Optoelectronics Tech Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Ma Chuanhui
• Song Yong
• Long Jun
• Yang Gang
• Xu Tianyu
• Han Weipeng

Classifications

• H05B2203/035

  Electrical circuits used in resistive heating apparatus · CPC title

• H05B2203/002

  Heaters using a particular layout for the resistive material or resistive elements · CPC title

• B60S1/026 Primary

  using electrical means · CPC title

• H05B3/86 Primary

  the heating conductors being embedded in the transparent or reflecting material {(H05B3/845 takes precedence)} · CPC title

• B60S1/60

  for signalling devices, e.g. reflectors · CPC title