CN109064948B - Track mirror advertisement projection display system and method thereof - Google Patents

Track mirror advertisement projection display system and method thereof Download PDF

Info

Publication number
CN109064948B
CN109064948B CN201810673881.1A CN201810673881A CN109064948B CN 109064948 B CN109064948 B CN 109064948B CN 201810673881 A CN201810673881 A CN 201810673881A CN 109064948 B CN109064948 B CN 109064948B
Authority
CN
China
Prior art keywords
unit
user
advertisement
rotating mechanism
mirror
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.)
Active
Application number
CN201810673881.1A
Other languages
Chinese (zh)
Other versions
CN109064948A (en
Inventor
王限宇
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.)
Shanghai changnuo cultural creativity Co.,Ltd.
Original Assignee
Beijing Lester Culture & Media Co ltd
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 Beijing Lester Culture & Media Co ltd filed Critical Beijing Lester Culture & Media Co ltd
Priority to CN201810673881.1A priority Critical patent/CN109064948B/en
Publication of CN109064948A publication Critical patent/CN109064948A/en
Application granted granted Critical
Publication of CN109064948B publication Critical patent/CN109064948B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)

Abstract

The utility model provides a track mirror advertisement projection display system, includes projector, formation of image mirror, mount, media server, slewing mechanism, and the image that the projector jetted out passes through formation of image mirror projection to optional position department, and slewing mechanism is used for control the formation of image mirror rotates, the controller respectively with media server, projector and slewing mechanism connect, and the controller is transferred advertisement video data control projector plays, transfers slewing mechanism control data control slewing mechanism rotates. The track mirror system is combined with the advertisement display, so that the track mirror system has attractiveness, interestingness, playability, interactivity and the like when corresponding advertisement content is played, the public is more easily accepted, the advertisement video data is stored and played through the media server, the purpose of fusing the track mirror system and the advertisement is achieved, and a new business mode is shown.

Description

Track mirror advertisement projection display system and method thereof
Technical Field
The invention relates to the technical field of projection, in particular to a track mirror advertisement projection display system and a track mirror advertisement projection display method.
Background
The Track Mirror is not widely applied at home, but has been used in large-scale actual combat cases abroad. Compared with a common projection system, the track mirror system greatly simplifies the overall design difficulty of the project and can realize more abundant and diversified projection effects.
The orbital mirror projection system has flexibility: the larger the stage performance, the larger the number of projectors and stage lights used, and the more complex the projection system. Especially, the common fixed screen projection at present can not meet the design requirements of people for new and change. The orbit mirror system undoubtedly provides a more flexible multimedia image expression form for the light dance design team. The rail mirror system is provided, which means that the images can be adjusted at any time and projected to any position of a stage and a theater, and the dynamic image effect can be performed in cooperation with site performance, multimedia video and light.
The traditional advertisement display is put in through modes of LED screens, posters and the like, has no attractiveness to the masses, and a system combining the advertisement display and a track mirror projection system is yet to be developed.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the prior art track mirror projection system cannot be combined with advertisement display.
Therefore, the track mirror advertisement projection display system comprises a fixed frame, a projector, an imaging mirror and a rotating mechanism, wherein the projector, the imaging mirror and the rotating mechanism are fixed by the fixed frame;
the control system comprises a media server and a controller, the media server is used for storing advertisement video data and rotating mechanism control data, the controller is respectively connected with the media server, the projector and the rotating mechanism, the controller calls the advertisement video data to control the projector to play, and calls the rotating mechanism control data to control the rotating mechanism to rotate.
Further, the rotating mechanism comprises a circumferential adjusting unit which comprises
: the first rotating table is fixedly connected with the fixed frame through a fixed shaft, and the fixed shaft is vertically and fixedly connected with the fixed frame; the inner ring of the first bearing is fixedly connected with the fixed shaft, and the outer ring of the first bearing is fixedly connected with the first rotating table; a part of the first bearing is exposed outside the first rotating table to form a rotated part, and a first driven gear is sleeved on the rotated part; the first stepping motor is fixedly connected with the lower part of the first fixed table, an output shaft of the first stepping motor is connected with a first driving gear, and the first driving gear is meshed with the first driven gear;
and a first motor fixing table for fixing the first stepping motor is arranged on the first rotating table, and the first motor fixing table is fixedly connected with the fixing shaft.
Further, slewing mechanism including set up in angle adjusting unit on the first revolving stage, angle adjusting unit includes:
the first adjusting plate is fixedly connected with the imaging mirror; a first fixing plate vertically arranged on
A first fixed bulge is arranged on the middle part of the first rotating platform, is parallel to the first rotating platform and extends to the outside of the first rotating platform, and is vertically and rollably connected with one side of the first adjusting plate, which is just opposite to the imaging mirror;
the first elastic piece comprises at least one elastic piece, and is positioned on the upper side or the lower side of the first rotating platform and is respectively and fixedly connected with the first adjusting plate and the first fixing plate in a vertical mode;
the second stepping motor is arranged on the first rotating platform, and an output shaft of the second stepping motor is connected with a second driving gear;
a first ball screw is vertically arranged on one side, facing the first rotating table, of the first adjusting plate, a first nut is connected to the part, located above the circular table, of the first ball screw in a rolling mode, and the first nut is fixedly connected with a second driven gear and meshed with the second driving gear;
a motor fixing table for fixing the second stepping motor is arranged on the first rotating table, and the motor fixing table is arranged on one side of the first rotating table surface, which is provided with the imaging mirror;
a flexible connecting piece is arranged between the first ball screw and the first adjusting plate; also comprises a fixed shell, a fixed shell is arranged on the fixed shell,
the fixed shell is arranged on the upper portion of the first rotating platform and fixedly connected with the first rotating platform, the fixed shell is cuboid and hollow inside, and the second driving gear and the second driven gear are located inside the fixed shell.
Further, in the above-mentioned case,
the number of the track mirror advertisement projection display systems is at least 2, and each track mirror advertisement projection display system corresponds to one user unit;
the orbit mirror advertisement projection display system also comprises a user scoring unit used for obtaining the scoring of the purchased advertisement submission by the user,
the system also comprises a total processing unit which is respectively connected with the user scoring units at the positions of the track mirror advertisement projection display systems and used for determining the similarity between the user u and the user v according to the scores of the users on the advertisements:
Figure GDA0002653666060000041
wherein IuvA set of ads scored for both user u and user v at the same time; i isuA set of advertisements scored for user u; i isvA set of advertisements scored for user v; r isuiRating of advertisement i for user u, rviScoring ad i for user v;
and the total processing unit associates the user u and the user v with the similarity larger than a preset threshold value, generates associated data and stores the associated data.
Further, the projector includes a liquid crystal panel, the liquid crystal panel is connected to a power supply through a strobe prevention circuit, and the strobe prevention circuit includes: the rectifying unit is connected with the power supply and responds to the power supply output power-on signal; the voltage-limiting current-reducing unit is connected with the rectifying unit and used for reducing the circuit voltage and stabilizing the voltage; the voltage stabilizing unit is connected with the rectifying unit and used for stabilizing the circuit voltage; the control boosting unit is connected with the rectifying unit, responds to the electrifying signal output by the rectifying unit to work and outputs a certain voltage value; and the time delay unit is connected with the control boosting unit and responds to the mechanical switch to delay the first preset time so as to control the boosting unit to work. Further, in the above-mentioned case,
the control boosting unit comprises a first controlled silicon and a first diode which are arranged in series, and also comprises a two-input AND gate, wherein the control electrode of the first controlled silicon is connected with the output end of the two-input AND gate;
the first input end of the two-input AND gate is connected with the first output end of the rectifying unit, and the node of the two-input AND gate and the first output end of the rectifying unit are coupled with the mechanical switch;
the second input end of the two-input AND gate is connected with the second output end of the rectifying unit, and the node of the two input ends of the two-input AND gate and the second output end of the rectifying unit are coupled with the mechanical switch;
the voltage stabilizing unit comprises a first triode and a second triode; the emitter of the first triode is connected with the first output end of the rectifying unit, the emitter of the first triode is connected with the base of the first triode through a second resistor, and the collector of the first triode is connected with the voltage-limiting current-reducing unit through a third resistor;
a collector of the second triode is connected with a base of the first triode through a fourth resistor, a base of the second triode is connected with the control boosting unit through a fifth resistor, and an emitter of the second triode is connected with a second output end of the rectifying unit;
the delay unit comprises a sixth resistor and a first capacitor, the sixth resistor is respectively connected with the second input end of the two-input AND gate and the second output end of the rectification unit, and the first capacitor and the sixth resistor are arranged in parallel.
Furthermore, the stroboscopic prevention circuit further comprises a second voltage stabilizing diode, two ends of the second voltage stabilizing diode are respectively coupled with the first output end and the second output end of the rectifying unit, and a node of the second voltage stabilizing diode and the first output end of the rectifying unit is connected with the voltage stabilizing unit.
A rail mirror advertisement projection display method controls a projector, an imaging mirror and a rotating mechanism for controlling the rotation of the imaging mirror, and comprises the following steps:
storing at least one set of associated advertisement video data and rotating mechanism control data; in response to using
A group of advertisement video data and rotating mechanism control data are called by a calling instruction input by a user, and the calling instruction corresponds to any group of advertisement video data and rotating mechanism control data;
controlling video data called by a user to be played at a projector;
and controlling the rotating mechanism to drive the imaging mirror to rotate according to the rotating mechanism control data called by the user.
The technical scheme of the invention has the following advantages:
1. the track mirror system is combined with the advertisement display, so that the track mirror system has attractiveness, interestingness, playability, interactivity and the like when corresponding advertisement content is played, the public is more easily accepted, the advertisement video data is stored and played through the media server, the purpose of fusing the track mirror system and the advertisement is achieved, and a new business mode is shown.
2. The circumferential position of the imaging mirror can be adjusted through the circumferential adjusting unit, so that the imaging mirror can move in the circumferential direction on an image emitted by the projector, the image projected by the projector can move in the horizontal direction, and the interestingness of projection of the projector is further increased.
3. The angle adjusting unit can adjust the angle of the imaging mirror in the vertical direction, so that the image emitted by the projector can be changed in angle, the image of the projector can move in the horizontal direction, and the interestingness of projection of the projector is further increased.
4. By determining the similarity between the scores of each user for the advertisements and associating and storing the two users with the similarity larger than the preset threshold value, the potential advertisement playing consciousness of the two users with higher similarity is also similar, so that when one user selects one advertisement, the advertisement information is pushed to the user associated with the user for the user to select, and the user can conveniently find out the intention advertisement of the user with the potential consciousness.
5. According to the method and the device, the score of the other user who wants to buy the advertisement on the advertisement after buying the advertisement can be estimated according to the score of each user on one advertisement, and the estimation score of the user who uses the advertisement can be obtained by analyzing the previous purchase scoring experience and other users who have higher similarity with the previous purchase scoring experience before playing the advertisement through the estimation, so that the advertisement is guided.
6. The stroboscopic prevention circuit provided by the invention can stabilize the voltage of the liquid crystal panel when in use, can solve the problem of stroboscopic when the control switch is in an off state, and can avoid the situation that the liquid crystal panel flickers when a luminous playing picture is performed through the cooperation of the voltage limiting and current reducing unit and the voltage stabilizing unit of the voltage limiting and current reducing unit when the switch is in an on state, and can achieve the time delay opening or closing function of the liquid crystal panel with stable and adjustable time through the time delay unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of a track mirror advertisement projection display system;
FIG. 2 is a system diagram of a track mirror advertisement projection display system;
FIG. 3 is an enlarged schematic view of the circumferential adjustment unit of FIG. 1;
FIG. 4 is an enlarged schematic view of the angle adjusting unit of FIG. 1;
FIG. 5 is a schematic diagram of an anti-strobe circuit;
FIG. 6 is a flow chart of a method for displaying advertisement projection on a track mirror;
fig. 7 is a schematic structural diagram of a second embodiment of the orbital mirror advertisement projection display system. 1. Fixing device
Fixing a frame; 2. a projector; 3. a rotating mechanism; 31. a first rotating table; 32. a first fixed table; 33. a circumferential adjustment unit; 331. a first stepper motor; 332. a first drive gear; 333. a first driven gear; 334. a first bearing; 34. an angle adjusting unit; 341. a second stepping motor; 342. a second driving gear; 343. a second driven gear; 344. a first ball screw; 345. a first fixing plate; 3451. a first fixing projection; 346. a first adjusting plate; 347. a motor fixing table; 348. a flexible connector; 35. a fixed shaft; 4. an imaging mirror; 110. a rectifying unit; 120. the pressure limiting and flow reducing unit is used for limiting the pressure and flow reducing unit; 130. controlling the boosting unit; 140. a voltage stabilization unit; 150. and a delay unit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides a track mirror advertisement projection display system, as 1 shows track mirror advertisement projection display system's schematic structure drawing, including mount 1 and by 1 fixed projector 2 of mount, imaging mirror 4 and slewing mechanism 3, the image that projector 2 jetted out passes through imaging mirror 4 projection to arbitrary position department, slewing mechanism 3 is used for controlling imaging mirror 4 rotates, makes imaging mirror 4 project the image that projector 2 jetted out to arbitrary position department.
The system schematic diagram of the track mirror advertisement projection display system shown in fig. 2 further comprises a control system, wherein the control system comprises a media server and a controller, and the media server is used for storing advertisement video data and rotating mechanism control data. The advertisement data can be various advertisements, such as supplementary class advertisements of students, living goods advertisements, electronic appliance advertisements and the like.
The controller is respectively connected with the media server, the projector 2 and the rotating mechanism 3, the controller calls advertisement video data to control the projector 2 to play, and the controller calls the rotating mechanism to control the data to control the rotating mechanism 3 to rotate. The rotation mechanism control data may be a control command, where the control command includes a forward rotation command of the first stepping motor 331, a reverse rotation command of the first stepping motor 331, a forward rotation command of the second stepping motor 341, and a reverse rotation command of the second stepping motor 341.
In one embodiment, the rotating mechanism 3 includes a circumferential adjusting unit 33, which is shown in fig. 3 as an enlarged structural diagram of a part a in fig. 1, wherein the circumferential adjusting unit 33 includes: the first rotating table 31 is connected with the fixed frame 1 through a fixed shaft 35, and the fixed shaft 35 is vertically and fixedly connected with the fixed frame 1; a first bearing 334, an inner ring of the first bearing 334 is fixedly connected with the fixed shaft 35, and an outer ring of the first bearing 334 is fixedly connected with the first rotating table 31; a part of the first bearing 334 is exposed outside the first rotating table 31 to form a rotated part, and the rotated part is sleeved with a first driven gear 333; the first fixed table 32 is positioned on the first rotating table 31 and fixedly connected with the fixed shaft 35, the first stepping motor 331 is fixedly connected with the lower part of the first fixed table 32, an output shaft of the first stepping motor 331 is connected with a first driving gear 332, and the first driving gear 332 is meshed with the first driven gear 333; a first fixing table 32 for fixing the first stepping motor 331 is disposed on the first rotating table 31, and the first motor fixing table 347 is fixedly connected to the fixing shaft 35.
The first stepping motor 331 performs forward transmission in response to a forward rotation instruction of the first stepping motor to drive the imaging mirror 4 to rotate clockwise, the clockwise rotation is clockwise rotation when the system shown in fig. 1 is seen from top to bottom, the first stepping motor 331 performs reverse rotation in response to a reverse rotation instruction of the first stepping motor 331 to drive the imaging mirror 4 to rotate counterclockwise, the second stepping motor 341 performs forward transmission in response to a forward rotation instruction of the second stepping motor 341 to drive the imaging mirror 4 to tilt upward, and the second stepping motor 341 performs reverse rotation in response to a reverse rotation instruction of the second stepping motor 341 to drive the imaging mirror 4 to tilt downward.
The first rotating table 31 can be controlled by the circumferential adjusting unit 33, so that the first rotating table 31 rotates correspondingly, when the first rotating table 31 needs to rotate, the first stepping motor 331 controls the first driving gear 332 to operate, the purpose of driving the first rotating table 31 and the imaging mirror 4 to rotate is achieved, and the imaging mirror 4 rotates circumferentially to change the circumferential position of the image emitted by the projector 2.
In one embodiment, the rotating mechanism 3 includes an angle adjusting unit 34 disposed on the first rotating table 31, as shown in fig. 4, which is an enlarged schematic structural view of a portion B in fig. 1, and the angle adjusting unit 34 includes: a first adjusting plate 346 fixedly connected to the imaging mirror 4; a first fixing plate 345 vertically disposed on the first rotating table 31, wherein a first fixing protrusion 3451 is disposed at the middle thereof and parallel to the first rotating table 31 and extends to the outside of the first rotating table 31, and the first fixing protrusion 3451 is vertically and rollably connected to a side of the first adjusting plate 346 facing the imaging mirror 4; a first elastic member including at least one member, which is vertically and fixedly connected to the first adjusting plate 346 and the first fixing plate 345 at an upper side or a lower side of the first rotating table 31, respectively; a second stepping motor 341 disposed on the first rotation table 31, wherein an output shaft of the second stepping motor 341 is connected to a second driving gear 342; a first ball screw 344 is vertically arranged on one side of the first adjusting plate 346 facing the first rotating table 31, a portion of the first ball screw 344 above the first rotating table 31 is connected with a first nut in a rolling manner, and the first nut is fixedly connected with a second driven gear 343 and meshed with the second driving gear 342; a motor fixing stand 347 for fixing the second stepping motor 341 is provided on the first rotating stand 31, and the motor fixing stand 347 is provided on the side of the first rotating stand 31 on which the imaging mirror 4 is provided.
A flexible connecting member 348 is disposed between the first ball screw 344 and the first adjusting plate 346, when the first ball screw 344 is driven by the second stepping motor 341, the first ball screw 344 extends to the outside of the first rotating table 31, the mirror tilts downward by a certain angle, the first ball screw 344 forms a certain angle with the ground, and the flexible connecting member 348 is in a deformed state, so that the angle adjusting unit 34 can work normally and stably because the first ball screw 344 and the first adjusting plate 346 are not in a vertical state. Wherein the flexible connector 348 may be a spring, flexible plastic, flexible rubber, or the like.
In one embodiment, as shown in fig. 7, the device further includes a fixed housing 5, the fixed housing 5 is disposed on the upper portion of the first rotating platform 31 and is fixedly connected to the first rotating platform 31, the fixed housing 5 is rectangular and hollow, and the second driving gear 342 and the second driven gear 343 are disposed inside the fixed housing 5. The second driving gear 342 and the second driven gear 343 are fixed in the horizontal direction by the fixing case 5, and the first ball screw 344 is horizontally displaced, thereby preventing the second driving gear 342 and the second driven gear 343 from being displaced and thus improving the stability of the angle adjusting unit 34.
The angle of the imaging mirror 4 can be adjusted by the angle adjusting unit 34, so that the imaging mirror can rotate in the vertical direction, and the rotation angle of the imaging mirror can reach 270 degrees, so that the imaging mirror 4 moves in the vertical direction to change the vertical position of the image emitted by the projector 2.
In one embodiment, the number of the orbit mirror advertisement projection display systems is at least 2, and each orbit mirror advertisement projection display system corresponds to one user unit respectively;
the orbit mirror advertisement projection display system also comprises a user scoring unit used for obtaining the scoring of the purchased advertisement submission by the user,
the system also comprises a total processing unit which is respectively connected with the user scoring units at the positions of the track mirror advertisement projection display systems and used for determining the similarity between the user u and the user v according to the scores of the users on the advertisements:
Figure GDA0002653666060000131
wherein IuvA set of ads scored for both user u and user v at the same time; i isuA set of advertisements scored for user u; i isvA set of advertisements scored for user v; r isuiRating of advertisement i for user u, rviScoring ad i for user v;
and the total processing unit associates the user u and the user v with the similarity larger than a preset threshold value, generates associated data and stores the associated data.
By determining the similarity between the scores of each user for the advertisements and associating and storing the two users with the similarity larger than the preset threshold value, the potential advertisement playing consciousness of the two users with higher similarity is also similar, so that when one user selects one advertisement, the advertisement information is pushed to the user associated with the user for the user to select, and the user can conveniently find out the intention advertisement of the user with the potential consciousness.
In one embodiment, the projector includes a liquid crystal panel, the liquid crystal panel is connected to a power supply through a strobe prevention circuit, the strobe prevention circuit includes: the rectifying unit is connected with the power supply and responds to the power supply output power-on signal; the voltage-limiting current-reducing unit is connected with the rectifying unit and used for reducing the circuit voltage and stabilizing the voltage; the voltage stabilizing unit is connected with the rectifying unit and used for stabilizing the circuit voltage; the control boosting unit is connected with the rectifying unit, responds to the electrifying signal output by the rectifying unit to work and outputs a certain voltage value; and the time delay unit is connected with the control boosting unit and responds to the mechanical switch to delay the first preset time so as to control the boosting unit to work.
The stroboscopic prevention circuit provided by the invention can stabilize the voltage of the liquid crystal panel when in use, can solve the problem of stroboscopic when the control switch is in an off state, and can avoid the situation that the liquid crystal panel flickers when a luminous playing picture is performed through the cooperation of the voltage limiting and current reducing unit and the voltage stabilizing unit of the voltage limiting and current reducing unit when the switch is in an on state, and can achieve the time delay opening or closing function of the liquid crystal panel with stable and adjustable time through the time delay unit.
In one embodiment, the projector includes a liquid crystal panel, the liquid crystal panel is connected to a power supply through a strobe prevention circuit, as shown in fig. 5, the strobe prevention circuit includes: the power-on signal rectifying circuit comprises a rectifying unit 110 connected with a power supply and used for outputting a power-on signal, wherein the rectifying unit 110 comprises a bridge rectifying circuit consisting of a diode D31, a diode D32, a diode D33 and a diode D34. The ac power is converted into dc power by the rectifying unit 110 to power the liquid crystal panel.
The voltage-limiting and current-reducing unit 120 of the voltage-limiting and current-reducing unit is connected to the rectifying unit 110 and is configured to reduce the circuit voltage and stabilize the voltage, and the voltage-limiting and current-reducing unit 120 of the voltage-limiting and current-reducing unit includes a first voltage-stabilizing diode D11 and a first resistor R1 connected in series with the first voltage-stabilizing diode D11. The power supply connecting line of the mechanical switch is respectively connected with the power supply line L or the power supply line N and respectively connected with the contact K1 and the contact K2, when the mechanical switch is closed, the power supply line L or the power supply line N are conducted, and the mechanical switch respectively inputs high-level voltage to the contact K1 and the contact K2. The resistance value of the first resistor R1 is preferably set to be one thousand ohms to ten thousand ohms, the voltage of the loop connected in series with the first resistor R1 can be reduced to a small value by dividing the voltage through the first resistor R1, when the mechanical switch is turned off, the voltage boosting unit 130 is controlled to be in an inoperative state and does not perform voltage boosting operation, the liquid crystal panel is under the equivalent circuit connected in series with the first resistor R1 at the moment, and the divided voltage is too large due to the overlarge resistance value of the first resistor R1, so that the situation that the liquid crystal panel is bright under the power-off condition is avoided, the problem that the liquid crystal panel is stroboscopic is solved, and the screen projection effect of the projector is increased.
The voltage stabilizing unit 140 is connected to the rectifying unit 110 and is used for stabilizing the circuit voltage, and the voltage stabilizing unit 140 includes a first transistor Q1 and a second transistor Q2; an emitter of the first triode Q1 is connected with the first output terminal of the rectifying unit 110, an emitter of the first triode Q1 is connected with a base of the first triode Q1 through a second resistor R2, and a collector of the first triode Q1 is connected with the voltage limiting and current reducing unit 120 through a third resistor R3.
The collector of the second triode Q2 is connected to the base of the first triode Q1 through a fourth resistor R4, the base of the second triode Q2 is connected to the control boosting unit 130 through a fifth resistor R5, and the emitter of the second triode Q2 is connected to the second output terminal of the rectifying unit 110.
When the first thyristor D22 in the control voltage boosting unit 130 is turned on, the first diode D22 provides a bias voltage for the second transistor Q2, so that the second transistor Q2 works in a range similar to a saturation region, and then the first transistor Q2 is turned on and works in the saturation region, and the voltage stabilizing unit 140 provides a power supply for controlling the current of the voltage boosting unit 130 by using the third resistor R3 as a current limiter.
A control boosting unit 130 connected to the rectifying unit 110, and configured to operate in response to the power-on signal output from the rectifying unit 110 and output a certain voltage value; the control boosting unit 130 comprises a first thyristor D21 and a first diode D22 which are arranged in series, and further comprises a two-input and gate G1, wherein the control electrode of the first thyristor D21 is connected with the output end of the two-input and gate G1; the first input end of the two-input and gate G1 is connected with the first output end of the voltage-limiting current-reducing unit 120, and the node of the two is coupled with the mechanical switch; a second input terminal of the two-input and gate G1 is connected to a second output terminal of the rectifying unit 110, and a node of the two is coupled to the mechanical switch. When the mechanical switch is in a closed state, the mechanical switch respectively inputs high level to the first input end and the second input end of the two-input and gate G1 through the contact point K1 and the contact point K2, at the moment, the two-input and gate G1 outputs a high level signal to the control electrode of the first thyristor D21, at the moment, the loops where the first thyristor D21 and the first diode D22 are located are switched on, and the first thyristor D21 and the first diode D22 divide voltage to provide a stable voltage for the liquid crystal panel.
And the delay unit 150 is connected with the control boosting unit 130, and delays the first preset time in response to the mechanical switch to enable the control boosting unit 130 to work. The delay unit 150 includes a sixth resistor R6 and a first capacitor C1, the sixth resistor R6 is respectively connected to the second input terminal of the two-input and gate G1 and the second output terminal of the rectifying unit 110, and the first capacitor C1 and the sixth resistor R6 are connected in parallel. The first capacitor C1 can store electric energy, when the mechanical switch is in an off state, the mechanical switch does not discharge to the first capacitor C1 and the second filter capacitor C2 through the contact K1 and the contact K2, the two-input and gate G1 continuously outputs a high level signal for a first preset time to control the thyristor D21 to be continuously conducted, and at this time, the output end of the circuit coupled with the liquid crystal panel is powered on.
The second filter capacitor C2 is further included, and two ends of the second filter capacitor C2 are respectively coupled to the first output end and the second output end of the rectifying unit 110. The filter is used for filtering harmonic waves, so that the circuit is more stable in working.
The delay control device further comprises a second voltage stabilizing diode D12, two ends of the second voltage stabilizing diode D12 are coupled with the first output end and the second output end of the rectifying unit 110 respectively, a node of the second voltage stabilizing diode D12 and the first output end of the rectifying unit 110 is connected with the voltage stabilizing unit 140, and voltage stabilization is performed through the second voltage stabilizing diode D12, so that the delay control device is more stable in operation.
A track mirror advertisement projection display method, as shown in the flow chart of figure 6, controls a projector, an imaging mirror and a rotating mechanism for controlling the rotation of the imaging mirror, and comprises the following steps:
s1, storing at least one group of related advertisement video data and rotating mechanism control data; s2,
Calling a group of advertisement video data and rotating mechanism control data in response to a calling instruction input by a user, wherein the calling instruction corresponds to any group of advertisement video data and rotating mechanism control data;
s3, controlling the video data called by the user to be played at the projector; and S4, controlling the rotating mechanism to drive the imaging mirror to rotate according to the rotating mechanism control data called by the user.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (6)

1. A track mirror advertisement projection display system is characterized by comprising a fixed frame (1), a projector (2), an imaging mirror (4) and a rotating mechanism (3), wherein the projector (2), the imaging mirror (4) and the rotating mechanism (3) are fixed by the fixed frame (1), an image emitted by the projector (2) is projected to any position through the imaging mirror (4), and the rotating mechanism (3) is used for controlling the imaging mirror (4) to rotate;
the control system also comprises a control system, the control system comprises a media server and a controller, the media server is used for storing advertisement video data and control data of the rotating mechanism (3), the controller is respectively connected with the media server, the projector (2) and the rotating mechanism (3), the controller calls the advertisement video data to control the projector (2) to play, the calling rotating mechanism (3) controls the data to control the rotating mechanism (3) to rotate,
the control data of the rotating mechanism are control instructions, and the control instructions comprise a first stepping motor forward rotation instruction, a first stepping motor reverse rotation instruction, a second stepping motor forward rotation instruction and a second stepping motor reverse rotation instruction;
the rotating mechanism (3) includes a circumferential adjustment unit (33), the circumferential adjustment unit (33) including:
the first rotating table (31) is fixedly connected with the fixed frame (1) through a fixed shaft (35), and the fixed shaft (35) is vertically and fixedly connected with the fixed frame (1);
the inner ring of the first bearing (334) is fixedly connected with the fixed shaft (35), and the outer ring of the first bearing (334) is fixedly connected with the first rotating table (31);
a part of the first bearing (334) is exposed out of the first rotating table (31) to form a rotated part, and a first driven gear (333) is sleeved on the rotated part;
the first stepping motor (331) is fixedly connected with the lower part of the first fixed table (32), an output shaft of the first stepping motor (331) is connected with a first driving gear (332), and the first driving gear (332) is meshed with a first driven gear (333);
a first motor fixing table (347) used for fixing the first stepping motor (331) is arranged on the first rotating table (31), the first motor fixing table (347) is fixedly connected with the fixed shaft (35),
the rotating mechanism (3) comprises an angle adjusting unit (34) arranged on the first rotating table (31), and the angle adjusting unit (34) comprises:
the first adjusting plate (346) is fixedly connected with the imaging mirror (4);
the first fixing plate (345) is vertically arranged on the first rotating platform (31), a first fixing bulge (3451) is arranged in the middle of the first fixing plate and is parallel to the first rotating platform (31) and extends to the outside of the first rotating platform (31), and the first fixing bulge (3451) is vertically connected with one side, facing the imaging mirror (4), of the first adjusting plate (346) in a rolling manner;
a first elastic member including at least one, vertically and fixedly connected to the first adjusting plate (346) and the first fixing plate (345) at an upper side or a lower side of the first rotating table (31), respectively;
a second stepping motor (341) arranged on the first rotating table (31), wherein an output shaft of the second stepping motor (341) is connected with a second driving gear (342);
a first ball screw (344) is vertically arranged on one side, facing the first rotating table (31), of the first adjusting plate (346), a part, located above the circular table, of the first ball screw (344) is in rolling connection with a first nut, and the first nut is fixedly connected with a second driven gear (343) and meshed with the second driving gear (342);
a motor fixing table (347) used for fixing the second stepping motor (341) is arranged on the first rotating table (31), and the motor fixing table (347) is arranged on one side of the surface of the first rotating table (31) provided with the imaging mirror (4);
a flexible connecting piece 348 is arranged between the first ball screw (344) and the first adjusting plate (346);
still include set casing (5), set casing set up in first revolving stage (31) upper portion and first revolving stage (31) fixed connection, set casing (5) are the cuboid form and its inside cavity sets up, and second driving gear (342) and second driven gear (343) are located the inside of set casing (5).
2. The system of claim 1, wherein,
the orbit mirror advertisement projection display system also comprises a user scoring unit used for obtaining the scoring of the purchased advertisement submission by the user,
the system also comprises a total processing unit which is respectively compared with the user comments at each orbit mirror advertisement projection display system
And the unit connection is used for determining the similarity between the user u and the user v according to the scores of the users on the advertisements:
Figure FDA0002667242490000031
wherein IuvA set of ads scored for both user u and user v at the same time; i isuA set of advertisements scored for user u; i isvA set of advertisements scored for user v; r isuiRating of advertisement i for user u, rviScoring ad i for user v;
and the total processing unit associates the user u and the user v with the similarity larger than a preset threshold value, generates associated data and stores the associated data.
3. The system of claim 1,
the projector (2) comprises a liquid crystal panel, the liquid crystal panel is connected with a power supply through a stroboscopic prevention circuit, and the stroboscopic prevention circuit comprises:
the rectifying unit is connected with the power supply and responds to the power supply output power-on signal;
the voltage-limiting current-reducing unit is connected with the rectifying unit and used for reducing the circuit voltage and stabilizing the voltage;
the voltage stabilizing unit is connected with the rectifying unit and used for stabilizing the circuit voltage;
the control boosting unit is connected with the rectifying unit, responds to the electrifying signal output by the rectifying unit to work and outputs a certain voltage value;
and the time delay unit is connected with the control boosting unit and responds to the mechanical switch to delay the first preset time so as to control the boosting unit to work.
4. The system of claim 3,
the control boosting unit comprises a first controlled silicon and a first diode which are arranged in series, and also comprises a two-input AND gate, wherein the control electrode of the first controlled silicon is connected with the output end of the two-input AND gate;
the first input end of the two-input AND gate is connected with the first output end of the rectifying unit, and the node of the two-input AND gate and the first output end of the rectifying unit are coupled with the mechanical switch;
the second input end of the two-input AND gate is connected with the second output end of the rectifying unit, and the node of the two input ends of the two-input AND gate and the second output end of the rectifying unit are coupled with the mechanical switch;
the voltage stabilizing unit comprises a first triode and a second triode;
the emitter of the first triode is connected with the first output end of the rectifying unit, the emitter of the first triode is connected with the base of the first triode through a second resistor, and the collector of the first triode is connected with the voltage-limiting current-reducing unit through a third resistor;
a collector of the second triode is connected with a base of the first triode through a fourth resistor, a base of the second triode is connected with the control boosting unit through a fifth resistor, and an emitter of the second triode is connected with a second output end of the rectifying unit;
the delay unit comprises a sixth resistor and a first capacitor, the sixth resistor is respectively connected with the second input end of the two-input AND gate and the second output end of the rectification unit, and the first capacitor and the sixth resistor are arranged in parallel.
5. The system of claim 3,
the stroboscopic prevention circuit further comprises a second voltage stabilizing diode, two ends of the second voltage stabilizing diode are respectively coupled with the first output end and the second output end of the rectifying unit (110), and a node of the second voltage stabilizing diode and the first output end of the rectifying unit (110) is connected with the voltage stabilizing unit (140).
6. A track mirror advertisement projection display method, which controls a projector, an imaging mirror and a rotating mechanism for controlling the rotation of the imaging mirror, is characterized in that the track mirror advertisement projection display method is applied to the track mirror advertisement projection display system of any one of claims 1 to 5, and comprises the following steps:
storing at least one set of associated advertisement video data and rotating mechanism control data; calling a group of advertisement video data and rotating mechanism control data in response to a calling instruction input by a user, wherein the calling instruction corresponds to any group of advertisement video data and rotating mechanism control data; controlling video data called by a user to be played at a projector; the rotating mechanism is controlled to drive the imaging mirror to rotate according to the rotating mechanism control data called by the user,
the control data of the rotating mechanism are control instructions, and the control instructions comprise a first stepping motor forward rotation instruction, a first stepping motor reverse rotation instruction, a second stepping motor forward rotation instruction and a second stepping motor reverse rotation instruction.
CN201810673881.1A 2018-08-22 2018-08-22 Track mirror advertisement projection display system and method thereof Active CN109064948B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810673881.1A CN109064948B (en) 2018-08-22 2018-08-22 Track mirror advertisement projection display system and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810673881.1A CN109064948B (en) 2018-08-22 2018-08-22 Track mirror advertisement projection display system and method thereof

Publications (2)

Publication Number Publication Date
CN109064948A CN109064948A (en) 2018-12-21
CN109064948B true CN109064948B (en) 2020-11-13

Family

ID=64821122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810673881.1A Active CN109064948B (en) 2018-08-22 2018-08-22 Track mirror advertisement projection display system and method thereof

Country Status (1)

Country Link
CN (1) CN109064948B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109974160B (en) * 2019-03-28 2020-06-16 适家（北京）科技有限公司 Multifunctional air purifying device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205247045U (en) * 2015-06-04 2016-05-18 苏州芯创智汇电子科技有限公司 Can adjust projecting apparatus of projection angle
CN205402140U (en) * 2016-03-23 2016-07-27 河南科技学院 Multimedia teaching projecting apparatus mounting adjustment device
CN206499876U (en) * 2017-01-25 2017-09-19 浙江省平湖市勤益塑料模具厂 Perambulator projecting device
CN107290919A (en) * 2017-06-15 2017-10-24 王奇 A kind of Portable variable angle projecting apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000113703A (en) * 1998-10-03 2000-04-21 Tourosshu:Kk Sun tracking reflector
CN1756171A (en) * 2004-09-29 2006-04-05 周亚格 Digital media advertising system and its method
CN2772314Y (en) * 2005-01-14 2006-04-19 聂水亮 Rotary dining-table
CN100424731C (en) * 2006-05-22 2008-10-08 梁坚平 High brightness projection advertisement device at subway platform
WO2010086865A1 (en) * 2009-02-02 2010-08-05 Advanced Dicing Technologies Ltd. System and method for high speed laser material processing
CN201787966U (en) * 2010-05-13 2011-04-06 扬州大学 Serial-parallel connection combined adjusting mechanism with six degrees of freedom
CN102156483B (en) * 2011-04-25 2012-11-07 华南农业大学 Solar tracking device based on screw rod transmission and controlling and adjusting method thereof
CN202905098U (en) * 2012-11-25 2013-04-24 张斌 Adjustable mirror plane media device
CN203975990U (en) * 2013-12-19 2014-12-03 江门市金钩包装机械有限公司 Automatic paper feeding platform arrangement for adjusting height
CN207638633U (en) * 2017-09-29 2018-07-20 杨立海 Overrun control
CN107861326A (en) * 2017-11-16 2018-03-30 银弗（北京）科技有限公司 A kind of dynamic mirror optical projection system
CN107865542A (en) * 2017-12-04 2018-04-03 无锡协联信息技术有限公司 Finished product show stand is used in one kind sale

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205247045U (en) * 2015-06-04 2016-05-18 苏州芯创智汇电子科技有限公司 Can adjust projecting apparatus of projection angle
CN205402140U (en) * 2016-03-23 2016-07-27 河南科技学院 Multimedia teaching projecting apparatus mounting adjustment device
CN206499876U (en) * 2017-01-25 2017-09-19 浙江省平湖市勤益塑料模具厂 Perambulator projecting device
CN107290919A (en) * 2017-06-15 2017-10-24 王奇 A kind of Portable variable angle projecting apparatus

Also Published As

Publication number Publication date
CN109064948A (en) 2018-12-21

Similar Documents

Publication Publication Date Title
US6886942B2 (en) Projector with light source having variable brightness based on detected temperature information
CN110833257A (en) Intelligent healthy learning table and Internet of things healthy learning center system
US6791600B1 (en) Video system with dual mode imaging
CN109064948B (en) Track mirror advertisement projection display system and method thereof
TW200424736A (en) Compact integrated front projection system
CN202275333U (en) Portable electric device with projective function
JPWO2004021079A1 (en) Projection display
JP2000131668A (en) Light source adjusting device for liquid crystal projector
CN107065408A (en) Camera lens adjusts module and projection arrangement
CN205751281U (en) A kind of folding English teaching auxiliary device
WO2020248619A1 (en) Motor control circuit, driving apparatus and display device
TWI240911B (en) Brightness adjusting circuit of display
CN207340077U (en) Car audiovisual play system
JPH0451128A (en) Projection type video display device
CN204652584U (en) The micro-projection SmartMovie of LED light source DLP
CN106019790A (en) Vehicle-mounted projector
CN109887441A (en) A kind of ad display screen based on laser projection
CN210839822U (en) Projection arrangement for movie & TV is shot
CN208027716U (en) A kind of showcase based on AR videos
Matsumoto et al. Ultra-short throw distance front projector with mirror-lens hybrid projection optical system
CN220506348U (en) Rocker arm
CN108806471A (en) Tellurion and its intelligent application method
CN207352937U (en) A kind of circulating advertisement projecting apparatus
TW201410297A (en) Fitness apparatus with projection function
CN213601580U (en) Drama appreciation teaching show frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210318

Address after: 201400 room 2251, building 1, 2011 Xinfeng Road, Fengcheng Town, Fengxian District, Shanghai

Patentee after: Shanghai changnuo cultural creativity Co.,Ltd.

Address before: 100020 1902, 19th floor, building 5, yard 2, Wuliqiao 2nd Street, Chaoyang District, Beijing

Patentee before: BEIJING LESTER CULTURE & MEDIA Co.,Ltd.

TR01 Transfer of patent right