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WO2019034057A1 - Projecteur et procédé de commande associé - Google Patents

Projecteur et procédé de commande associé Download PDF

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Publication number
WO2019034057A1
WO2019034057A1 PCT/CN2018/100498 CN2018100498W WO2019034057A1 WO 2019034057 A1 WO2019034057 A1 WO 2019034057A1 CN 2018100498 W CN2018100498 W CN 2018100498W WO 2019034057 A1 WO2019034057 A1 WO 2019034057A1
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WO
WIPO (PCT)
Prior art keywords
main
projection area
image
projector
sub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/100498
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English (en)
Chinese (zh)
Inventor
张永亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2019034057A1 publication Critical patent/WO2019034057A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04817—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source

Definitions

  • the present disclosure relates to, but is not limited to, the field of projection technology.
  • Intelligent projectors typically based on projection and mobile internet, offer portable content projectors that offer great content sharing.
  • the content filtering needs to be performed at the same time as the projection. This requires the projection function to be turned off, and the projection is selected after the content is selected, the operation is complicated, and the user experience is poor.
  • an embodiment of the present disclosure provides a projector including a control system and an optical system, the control system controlling the optical system to project an image to a projection area, the projection area including a main projection area in different directions and a sub-projection area; the control system system controls the optomechanical system to project a main projection image to the main projection area, and project a sub-projection image to the sub-projection area, wherein the main projection image includes an icon and a plurality of icons corresponding to the icon An option, when detecting that the icon is operated by a user, displaying the plurality of options; when one of the options is operated, the control system performs a corresponding operation to control the optomechanical system to change to a secondary projection Sub-projected image of the area projection.
  • the embodiment of the present disclosure further provides a control method of a projector, where the projector is a projector described herein, the control method includes the step of controlling an optical system to project an image to a projection area,
  • the projection area of the projector includes a main projection area and a sub-projection area in different directions;
  • the control method includes: controlling the optomechanical system to project a main projection image to the main projection area, and projecting a sub-projection image to the sub-projection area, wherein
  • the main projected image includes an icon and a plurality of options corresponding to the icon, and when the icon is detected to be operated by a user, displaying the plurality of options; when one of the options is operated, controlling the The optomechanical system changes the secondary projected image projected onto the secondary projection area.
  • FIG. 1 is a block diagram showing the composition of a projector in accordance with an embodiment of the present disclosure
  • FIG. 2 is a partial structural schematic view of a projector according to an embodiment of the present disclosure
  • FIG. 3 is another block diagram of a composition of a projector in accordance with an embodiment of the present disclosure.
  • FIG. 4 is a block diagram of still another composition of a projector in accordance with an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural view of a projector according to an embodiment of the present disclosure.
  • FIG. 1 is a block diagram showing the composition of a projector according to an embodiment of the present disclosure
  • FIG. 2 is a partial structural diagram of a projector according to an embodiment of the present disclosure
  • FIG. 3 is another block diagram of a projector according to an embodiment of the present disclosure
  • It is another block diagram of a projector according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural view of a projector according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a projector, including: a control system 1 and a optomechanical system.
  • the optomechanical system includes an optical assembly 2, a lens and a digital micromirror wafer 3.
  • the optical component 2 is usually composed of a plurality of lenses.
  • the light emitted by the light source 4 is adjusted by the optical component 2, and then concentrated by a triangular prism (not shown) to the digital micromirror wafer 3.
  • the digital micromirror wafer 3 loads the modulated digital number.
  • the optical image is projected through the lens.
  • the control system 1 controls the optomechanical system to project an image onto the projection area.
  • the projection area includes a main projection area and a sub-projection area located in different directions.
  • the control system system controls the optomechanical system to project a main projected image to the main projection area and a secondary projected image to the sub-projection area.
  • the main projected image includes an icon and a plurality of options corresponding to the icon, when the icon is detected to be operated by a user (eg, a click operation), the plurality of options are displayed; when one of the options is When operated by a user (e.g., a click operation), the control system performs a corresponding operation to control the optomechanical system to change the secondary projected image projected onto the secondary projection zone.
  • the above technical solution sets the projection area of the projector to include a main projection area and a sub-projection area, and sets a main projection image projected to the main projection area to include an icon and a plurality of options corresponding to the icon, when the user operates one of the options That is, corresponding to changing the sub-projection image projected to the sub-projection area, the user realizes the sub-projection image of the sub-projection area through the main projection area, and the operation is simple and the user experience is improved.
  • changing the secondary projected image projected onto the secondary projection region includes switching the secondary projected image, interpolating the primary projected image in the secondary projection region, displaying the primary projected image in a partial region of the secondary projected image, and the like.
  • the plurality of options can be set to include a first option, the control system controlling the projection of the optomechanical system to the secondary projection area when the first option is operated (eg, a click operation)
  • the secondary projection image includes a sub-projection image that is identical to the main projection image, and the sub-projection image is located in a partial region of the secondary projection image to achieve the effect of "picture-in-picture".
  • the plurality of options can be set to include a second option, the control system controlling the optomechanical system to switch to the secondary projection area when the second option is operated (eg, a click operation)
  • the image is the main projected image, which realizes the insertion.
  • the main projection area of the present disclosure is a close projection area, which is close to the teacher or the lecturer, so that the teacher or the lecturer can change the secondary projection image of the sub-projection area through the main projection area.
  • the secondary projection area is a remote projection area that is intended for students or listeners to enable students or listeners to view sub-projected images.
  • the projection area of the projector is arranged to include two main projection areas in the same plane, the main projection images of the two main projection areas being the same.
  • the projector includes a projector body 100, and the two main projection areas are respectively located on opposite sides of the projector body 100, that is, two close projection areas are disposed on opposite sides of the projector. It is convenient for users to choose according to the actual situation.
  • the optomechanical system includes two main lenses 12, which are respectively disposed on the opposite sides of the projector body, and the main lens 12 is configured to A main projection area on the same side of the projector body projects a main projection image.
  • the same image can be simultaneously supplied to the two main lenses 12 by a spectroscopic system or two optomechanical systems.
  • the specific implementation principle will be described below.
  • setting the projector further includes: two laser scanning arrays 7 respectively disposed on the opposite sides of the projector body 100 Two first cameras 8 respectively disposed on the opposite sides of the projector body 100; the laser scanning array 7 configured to emit a plurality of surfaces of the main projection area covering the same side of the projector body 100 a laser line; the first camera 8 is configured to acquire laser light reflected by a user when touching a surface of a main projection area on the same side of the projector body 100; the control system 1 is connected to the first camera 8, and is also constructed For the laser light acquired according to the first camera 8, the position touched by the user is determined, and the light machine system is controlled to project a main projected image corresponding to the touch position to the main projection area.
  • the laser scanning array 7 can be placed at the bottom of the projector body 100 of the projector near the plane of the main projection area.
  • the above technical solution can improve the accuracy of the touch position detection by using the laser scanning array 7, and at the same time, in the case where a plurality of laser heads (for example, three to five) illuminate the main projection area at multiple angles, the multi-touch position can be realized. Detect, respond to teachers or instructors in a timely manner, and perform appropriate operations.
  • the laser scanning array 7 uses a 850 nm or 808 nm infrared word line to create a fan that is invisible to the naked eye, spreading the entire main projection area.
  • the thickness of this laser infrared fan is about 1mm to 2mm.
  • the first camera 8 captures the infrared reflection point, and transmits the main projection image of the main projection area to the control system 1 at this time, and the control system 1 processes and analyzes the main projection image to identify the touch event and the coordinate position of the infrared reflection point. Realizing manipulation of various application icons in the main projection image, and then calling corresponding control commands to perform corresponding operations, for example, forming a new main projection image, and then projecting a new main projection image through the main lens 12 to the main projection Area.
  • two second cameras 10 may be disposed on the opposite sides of the projector body 100 respectively, configured to collect the surface of the main projection area on the same side of the projector body 100.
  • the control system 1 is coupled to the second camera 10 and configured to determine the position of the laser and control the manipulation of various application icons in the main projection map to perform corresponding operations.
  • the laser can be a laser emitted by a laser pointer held by a teacher or a lecturer.
  • the laser spot hitting the main projection area is captured by the second camera 10, and the main projection image of the main projection area is transmitted to the control system 1 at this time, and the control system 1 processes and analyzes the main projection image to recognize the touch.
  • the event and the coordinate position of the laser point and then call the corresponding control command to realize the manipulation of various application icons in the main projected image, including multi-touch, to achieve the projection manipulation effect of "where to hit".
  • the second camera 10 can be the same camera as the first camera 8. In the case that the laser scanning array 7 is not working, the second camera 10 captures the laser spot emitted by the laser pen, thereby improving the flexibility of the device.
  • the laser spot or laser reflection point captured by the camera can be fixed in position, or can be clicked, double-clicked or crossed.
  • trapezoidal correction must be performed, otherwise the coordinate calculation may be inaccurate.
  • the coordinate calculation compensation can be performed in real time according to the change of the projection area as follows: First, the length and width directions of the projection area where the laser point or the laser reflection point is located are respectively corrected by trapezoid; the second step is to identify and calculate The coordinates of the laser point or the laser reflection point are output; in the third step, the coordinates of the laser point or the laser reflection point are correlated with the trapezoidal correction parameter to obtain a real-time compensation value.
  • main projection areas can also be one or more than two, and the number of corresponding components can also be adjusted accordingly.
  • a main lens corresponding thereto a laser scanning array, a first camera, a second camera, and the like can be provided.
  • the projector of the present disclosure is capable of projecting images to the main projection area and the sub-projection area located in different directions, and the above object can be specifically achieved by a spectroscopic system or two optical system, which will be specifically described below.
  • images can be projected to the primary and secondary projection zones located in different directions by a beam splitting system.
  • the optomechanical system includes a main lens 12 configured to project a main projection image to the main projection area, and a sub-lens 13 configured to The sub-projection area projects a sub-projection image; a spectroscopic system (splitting device) 11 , after the light is split by the spectroscopic system 11 , is respectively projected to the main lens 12 and the sub-lens 13 , and the main projection image and The secondary projected image is the same.
  • the digital optical image of the digital micromirror wafer 3 loaded and modulated is subjected to the splitting action of the spectroscopic system 11 and simultaneously projected to the main lens 12 and the sub-lens 13 .
  • the spectroscopic system 11 can be, but is not limited to, including a prism structure, and other optical elements capable of realizing the spectroscopic effect are also applicable to the technical solutions of the present disclosure.
  • the spectroscopic system 11 includes the triangular prism 110, after the light is incident on the triangular prism 110, a part of the light is refracted and then emitted to the main lens 12, and the other part of the light is reflected and then emitted to the sub-lens 13.
  • the spectroscopic system 11 further includes a concentrating element 111.
  • the light reflected by the triangular prism 110 is concentrated by the concentrating element 111 and uniformly emitted to the sub-lens 13 to improve the display of the sub-projection image. effect.
  • the concentrating element 111 may specifically be an optical structure such as an aspherical mirror.
  • the spectroscopic system 11 further includes an optical path deflecting element 112 through which the light exiting the concentrating element 111 passes through the optical path deflecting element 112 and exits to the secondary lens 13.
  • the optical path deflection element 112 may specifically be a plane mirror to deflect the light propagation direction by 90°.
  • the optical path deflection element can also be a combination of a plurality of reflectors to deflect the desired angle of light propagation.
  • the optomechanical system is arranged to include two drive members 6, one of which corresponds to the position of the main lens 12 and the other of which has a position corresponding to the position of the secondary lens 13.
  • the driving member 6 is configured to drive the corresponding lens movement to perform focusing so that the projected image is clearly displayed in the projection area.
  • the drive component 6 can be a motor.
  • the traditional physical wheel mode can also be used to directly adjust the lens movement for focusing. Since the functions of the driving members 6 are the same, they are identified by the same reference numerals.
  • the spectroscopic system 11 is further provided with a switching element 5, and the control system 1 controls the spectroscopic system 11 to project an image to the main projection area and/or the sub-projection area by controlling the switching element 5, the user may Projecting images to the main and/or sub-projection areas as needed to increase the flexibility and versatility of the device.
  • the switching element 5 may include a shielding plate disposed on the light exiting side, and the shielding member drives the shielding plate to block or block the emission of light, and the specific structure will not be described in detail herein.
  • the light is split by the spectroscopic system and simultaneously projected to the main lens and the sub-lens, and the projected images of the main projection area and the sub-projection area are the same.
  • the technical solution has the advantages of only adding a mirror splitting system, simple structure, small volume, low cost and easy implementation.
  • the control system 1 gives feedback to the user's touch, and performs corresponding operations, the main projection area and the sub-projection area.
  • the actions are the same, for example: both switch to a new projected image.
  • main projection area with priority control, and set the icon of the resident main projection area through necessary software design, and when the user feels necessary, operate (for example, click) the icon to display multiple options that the user can select, and then When the user operates (for example, clicks) one of the options, the control system 1 performs a corresponding operation in response to the user's operation.
  • a new projected image that can be temporarily inserted during the automatic playback of the main projection area and the sub-projection area, and a new projection image can be included in the main projection area and the sub-projection area, so as to display a new projected image locally, such as "Picture in Picture "effect.
  • the laser scanning array 7 can be used to determine whether the icon is operated (for example, whether it is clicked). The specific principle has been described in detail above and will not be described herein.
  • a spectroscopic system (splitting device) 11 may be disposed on the light exit side of the main lens 12 to split the light to simultaneously project the main projection area and the sub-projection area.
  • a prism can be disposed on the light exit side of the main lens 12 to split the light to simultaneously project the same image in two different directions. In this case, just ensure that the lens is in focus.
  • images are projected to the primary and secondary projection zones located in different directions by adding a optomechanical system.
  • the optomechanical system includes: a main optomechanical system and a secondary optomechanical system; the control system controls the main optomechanical system to project a main projection image to the main projection area, and control the secondary optomechanical system A secondary projected image is projected to the secondary projection area, the primary projected image and the secondary projected image being the same or different.
  • the advantage of this technical solution is that the user can project the same or different images in the main projection area and the sub-projection area as needed, and the flexibility is high.
  • the main optical system and the secondary optical system each include an optical component 2, a digital micromirror wafer 3, a lens (the main optical system includes a main lens 12 in the figure, and the secondary optical system includes a secondary lens 13 in the figure), Light source 4, etc.
  • the switches of the primary optomechanical system and the secondary optomechanical system can be controlled by software switches.
  • control system 1 gives feedback to the user's touch and performs a corresponding operation.
  • the main projection area with priority control, and set the icon of the resident main projection area through necessary software design.
  • the icon is opened to display multiple options that the user can select, and then when the user operates ( For example, when one of the options is clicked, the control system 1 performs a corresponding operation in response to the user's touch. It can project real-time linkage, or interrupt the secondary projection image of the sub-projection area and switch to the main projection image of the main projection area. It can also be temporarily inserted into the main projection image of the main projection area when the sub-projection area is automatically played.
  • the sub-projection image of the sub-projection area may be included in the main projection image to realize a main projection image of the main projection area, such as a "picture in picture" effect.
  • the laser scanning array 7 can be used to determine whether the icon is operated (for example, whether it is clicked). The specific principle has been described in detail above and will not be described herein.
  • the optomechanical system is arranged to include two drive members 6, one of which corresponds to the position of the main lens 12 and the other of which has a position corresponding to the position of the secondary lens 13.
  • the driving member 6 is configured to drive the corresponding lens movement to focus so that the projected image is clearly displayed in the projection area.
  • the drive component 6 can be a motor.
  • the traditional physical wheel mode can also be used to directly adjust the lens movement for focusing. Since the functions of the driving members 6 are the same, they are identified by the same reference numerals.
  • the above specific embodiment realizes projecting images to the main projection area and the sub-projection area located in different directions by providing two optical machine systems, and can realize the same or different images projected to the main projection area and the sub-projection area, and the flexibility is more flexible. high.
  • setting the projector further includes a third camera 9 configured to acquire a projected image of the primary and secondary projection regions.
  • the control system 1 is coupled to the third camera 9, configured to determine whether the image of the projection area is out of focus, and if out of focus, the control drive unit 6 drives the corresponding lens movement until the image of the projection area is out of focus.
  • first camera 8, second camera 10 and third camera 9 can be independently arranged, and the specific setting positions can be flexibly processed, for example, they can all be placed at the same position of the projector body, and can also be conveniently Different cameras are installed at different angles of inclination.
  • the two cameras may be the same camera, or the three cameras may be the same camera, and the number of cameras may be reduced by time division multiplexing.
  • the projection image and the laser spot of the projection area are acquired by the same camera in a time-sharing manner, and the projection autofocus and the laser spot automatic recognition are respectively performed.
  • an embodiment of the present disclosure further provides a method of controlling a projector.
  • the control method includes the step of controlling the optomechanical system to project an image onto the projection area.
  • the projection area includes a main projection area and a sub-projection area in different directions
  • the controlling method may include: controlling the optomechanical system to project a main projection image to the main projection area, to the sub-projection area Projecting a secondary projected image, wherein the primary projected image includes an icon and a plurality of options corresponding to the icon, the plurality of options being displayed when detecting that the icon is operated by a user (eg, a click operation); When one of the options is operated (e.g., a click operation), the optomechanical system is controlled to change the secondary projected image projected onto the secondary projection area.
  • the above technical solution sets the projection area of the projector to include a main projection area and a sub-projection area, and sets a main projection image projected to the main projection area to include an icon and a plurality of options corresponding to the icon, and the user operates (eg, clicks)
  • the sub-projection image projected to the sub-projection area is changed correspondingly, and the sub-projection image of the sub-projection area is changed by the user through the main projection area, which is easy to operate and improves the user experience.
  • the above steps may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device. Implemented so that they can be stored in a storage device by a computing device, and in some cases, the steps shown or described can be performed in a different order than here, or they can be separately fabricated into individual integrations.
  • the circuit modules are implemented by making a plurality of modules or steps of them into a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

La présente invention concerne un projecteur et un procédé de commande associé. Le projecteur consiste en un système de commande et en un système de machine optique. La zone de projection du projecteur consiste en une zone de projection primaire et en une zone de projection secondaire. Le système de commande commande le système de machine optique pour projeter une image de projection primaire vers la zone de projection primaire et projeter une image de projection secondaire vers la zone de projection secondaire. L'image de projection primaire projetée sur la zone de projection primaire consiste en une icône et en une pluralité d'options correspondant à l'icône ; et lorsqu'il est détecté que l'icône est actionnée par un utilisateur, la pluralité d'options est affichée. Lorsqu'une des options est actionnée par l'utilisateur, le système de commande exécute une opération correspondante et commande le système de machine optique pour changer l'image de projection secondaire projetée vers la zone de projection secondaire.
PCT/CN2018/100498 2017-08-16 2018-08-14 Projecteur et procédé de commande associé Ceased WO2019034057A1 (fr)

Applications Claiming Priority (2)

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CN201710702296.5A CN109407913B (zh) 2017-08-16 2017-08-16 投影仪及其控制方法
CN201710702296.5 2017-08-16

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WO2019034057A1 true WO2019034057A1 (fr) 2019-02-21

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CN101859208A (zh) * 2009-04-10 2010-10-13 船井电机株式会社 图像显示装置、图像显示方法和存储有图像显示程序的记录介质
CN202995623U (zh) * 2012-09-21 2013-06-12 海信集团有限公司 智能投影装置
CN105511716A (zh) * 2015-11-30 2016-04-20 成都市极米科技有限公司 多界面智能系统、智能投影系统及界面管理方法

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US20100309391A1 (en) * 2009-06-03 2010-12-09 Honeywood Technologies, Llc Multi-source projection-type display
WO2015159548A1 (fr) * 2014-04-18 2015-10-22 日本電気株式会社 Dispositif et procédé de commande de projection ainsi que support d'enregistrement permettant l'enregistrement d'un programme de commande de projection
CN105629643B (zh) * 2014-11-06 2018-06-26 联想(北京)有限公司 电子设备及其控制方法
CN205751284U (zh) * 2016-03-30 2016-11-30 重庆电子工程职业学院 一种便于提高授课效率的数学教学专用投影装置
CN107015650B (zh) * 2017-03-28 2020-10-27 联想(北京)有限公司 交互投影方法、装置以及系统

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Publication number Priority date Publication date Assignee Title
US20080115064A1 (en) * 2006-11-15 2008-05-15 Roach William V Systems, methods, and computer-readable media related to presentation software
CN101859208A (zh) * 2009-04-10 2010-10-13 船井电机株式会社 图像显示装置、图像显示方法和存储有图像显示程序的记录介质
CN202995623U (zh) * 2012-09-21 2013-06-12 海信集团有限公司 智能投影装置
CN105511716A (zh) * 2015-11-30 2016-04-20 成都市极米科技有限公司 多界面智能系统、智能投影系统及界面管理方法

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