CN110278424A - A kind of wisdom classroom projection arrangement and application method - Google Patents

A kind of wisdom classroom projection arrangement and application method Download PDF

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Publication number
CN110278424A
CN110278424A CN201910624535.9A CN201910624535A CN110278424A CN 110278424 A CN110278424 A CN 110278424A CN 201910624535 A CN201910624535 A CN 201910624535A CN 110278424 A CN110278424 A CN 110278424A
Authority
CN
China
Prior art keywords
interface
motor
shell
projection arrangement
chip
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.)
Pending
Application number
CN201910624535.9A
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Chinese (zh)
Inventor
莫新平
赵爱美
姚晓艳
吕学芳
郭春锋
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Shandong Foreign Trade Professional School
Original Assignee
Shandong Foreign Trade Professional School
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 Shandong Foreign Trade Professional School filed Critical Shandong Foreign Trade Professional School
Priority to CN201910624535.9A priority Critical patent/CN110278424A/en
Publication of CN110278424A publication Critical patent/CN110278424A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/3144Cooling systems

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention discloses a kind of wisdom classroom projection arrangements, including protective shell, the bottom of the protective shell is fixedly connected with pedestal, the protective shell is hollow structure, fixing seat is symmetrically fixedly connected on the protective shell inner wall, fan is connected on the fixing seat, humidity temperature monitor is connected in the bottom of the protective shell, trapezoidal pedestal and terminal installation, the tooth engaged with gear is equipped on the trapezoidal base inner wall, the gear is connected to one end of connecting rod, the other end of the connecting rod is fixedly connected with first shell, the first shell is fixedly connected with support base, threaded rod is connected at the both ends of the support base, one end of two threaded rods is connect with first motor and the second motor respectively through support base, the other end of two threaded rods is placed in inside second shell, the lower end of the second shell is connected with thread segment, The top of the second shell is connected with projector by rotation axis.The configuration of the present invention is simple, it is easy to use, it realizes intelligent.

Description

A kind of wisdom classroom projection arrangement and application method
Technical field
The present invention relates to projection arrangement technical field, specially a kind of wisdom classroom projection arrangement and application method.
Background technique
Technology of Internet of things development is swift and violent, in various aspects such as industry, lives using more and more common, however applies in teaching Aspect is also fewer, and multi-media classroom feels the advantages such as strong with its intelligence degree height and audiovisual, greatly improves classroom religion Efficiency.However, the key and number of buttons that multimedia equipment is debugged and controlled in multi-media classroom are more, And position also relative distribution, in this way for using multi-media classroom number relatively fewer and operating unskilled teacher, multimedia The control process of equipment brings no small trouble to teaching process;In addition, if by the control button of multimedia equipment and pressing Button is provided entirely on the surface at dais, and not only the dust in classroom is easy to influence the stability of equipment work, but also is being not required to When using multimedia teaching facility, it is exposed to the control device said on table surface and is easy to interfere the teaching times of teacher's others Business;And various electric appliances, instrument in present classroom etc. substantially still manually operation based on, so as to cause labor intensive object Power, and it is inefficient.
Projector be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen Device.It can make profile measurement with transmitted light, it is also possible to the surface shape and observation piece surface of reflected light measurement through-hole.Projector Particularly suitable measurement complex outline and tiny workpiece, such as clock and watch part, punching parts, electronic component, template, mold, screw thread, tooth Wheel and molding cutter etc., checkability is high, easy to use;It is widely used in measuring room, workshop, to instrument and meter and clock and watch Industry is especially suitable.Projector, also known as projector are a kind of equipment that can be projected image or video on curtain, can be with It is connected by the different same computers of interface, VCD, DVD, BD, game machine, DV etc. and plays corresponding vision signal.People at present The projection arrangement that uses be primarily present that structure is complicated, inconvenient to use, not intelligence, the disadvantages of cannot radiating.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of wisdom classroom projection arrangement and users Method, to solve the problems mentioned in the above background technology, the configuration of the present invention is simple are easy to use, realize intelligent.
To achieve the above object, the invention provides the following technical scheme: a kind of wisdom classroom projection arrangement, including protection Shell is equipped with control panel at the top of the protective shell, and the bottom of the protective shell is fixedly connected with pedestal, during the protective shell is Hollow structure is symmetrically fixedly connected with fixing seat on the protective shell inner wall, fan is connected on the fixing seat, in the protection Bottom connection humidity temperature monitor, trapezoidal pedestal and the terminal installation of shell, are equipped on the trapezoidal base inner wall and nibble with gear The tooth of conjunction, the other side are equipped with sliding slot compatible with gear, and the gear is connected to one end of connecting rod, the connecting rod it is another One end is fixedly connected with first shell, and the first shell is fixedly connected with support base, is connected with screw thread at the both ends of the support base One end of bar, two threaded rods is connect with first motor and the second motor respectively through support base, two threaded rods The other end be placed in inside second shell, the lower end of the second shell is connected with thread segment, and the top of the second shell is logical It crosses rotation axis and is connected with projector, the projector is fixedly connected by connecting column with cover board.
Further, the output axis connection of the rotation axis of the fan and third motor, the rotation axis of the gear and the The output axis connection of four motors.
Further, the upper surface of the fixing seat and the angle of horizontal plane are 30 ° -45 °.
Further, limited block is fixedly connected at the top of the threaded rod.
Further, the terminal installation includes power module, integrated circuit board, data transmission module and Ethernet control Module, the power module include that out-put supply expands interface output controllable electric power interface and input power interface, the output Power supply expands interface output controllable electric power interface and input power interface is electrically connected by cable with integrated circuit board, described integrated Circuit board is equipped with network-driven chip, storage chip, main control chip, integrated stable voltage circuit and power supply chip, and the data pass Defeated module includes VAG input interface, VAG output interface, USB download interface, audio output interface and audio input interface, described VAG input interface, VAG output interface, USB download interface, audio output interface and audio input interface are by cable and integrate Circuit board electrical connection, the ethernet control module include optical fiber input interface, functions expanding interface and network communication interface, institute Optical fiber input interface, functions expanding interface and network communication interface is stated to be electrically connected by connection with integrated circuit board.
Further, the output end of the main control chip and first motor, the second motor, third motor and the 4th motor Input terminal electrical connection, the input terminal of the main control chip are electrically connected with the output end of humidity temperature monitor.
Further, the integrated stable voltage circuit uses electric current output buck switching mode integrated stable voltage circuit, and specific point For LM2576S-5.0 and two kinds of LM2576S-12.0.
Further, the driving chip is deposited using DM9000 type network-driven chip, storage chip using AT24C64 type Store up chip, main control chip uses STM32F103ZET6 type main control chip.
Further, cooling fin is additionally provided on the power supply chip.
A kind of application method of wisdom classroom projection arrangement connects power supply, the 4th electric motor starting, the 4th motor-driven gear Rotation, gear are engaged with trapezoidal base inner wall, and projector rises;Then as the case may be, pass through first motor and the second electricity Machine adjusts the angle of projector.
Compared with prior art, the beneficial effects of the present invention are:
(1) the configuration of the present invention is simple, it is easy to use, realize intelligence, it can be suitable with adjust automatically under the control of each chip When position, drop shadow effect is good, and can automatic heat radiation when in use.
(2) humidity temperature monitor of the invention, for detecting intelligent control module ambient temperature and humidity, and can be according to temperature height The whole rotation speed of the fan of low-key.
(3) fan set by protective shell of the invention inside is further ensured that and sets for the heat inside machine box to be discharged Standby normal use extends the service life of equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of wisdom classroom projection arrangement of the present invention;
Fig. 2 is the structural schematic diagram at a kind of wisdom classroom projection arrangement A of the present invention;
Fig. 3 is a kind of system construction drawing of wisdom classroom projection arrangement of the present invention;
Fig. 4 is a kind of control system architecture figure of wisdom classroom projection arrangement of the present invention.
In figure: 1- control panel, 2- protective shell, 3- fan, 4- fixing seat, 5- support base, 6- first motor, 7- temperature and humidity Monitor, 8- pedestal, the trapezoidal pedestal of 9-, 10- gear, 11- terminal installation, 12- connecting rod, 13- first shell, the second electricity of 14- Machine, 15- projector, 16- connecting column, 17- cover board, 18- rotation axis, 19- second shell, 20- thread segment, 21- threaded rod, 22- Limited block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
A kind of wisdom classroom projection arrangement, including protective shell 2 are equipped with control panel 1, protective shell 2 at the top of protective shell 2 Bottom be fixedly connected with pedestal 8, protective shell 2 is hollow structure, fixing seat 4 is symmetrically fixedly connected on 2 inner wall of protective shell, solid Fan 3 is connected in reservation 4, the upper surface of fixing seat 4 and the angle of horizontal plane are 30 ° -45 °, and the setting at this inclination angle is convenient for guarantor The discharge of 2 internal heat of protective case connects humidity temperature monitor 7, trapezoidal pedestal 9 and terminal installation 11 in the bottom of protective shell 2, The side inner wall of trapezoidal pedestal 9 is equipped with the tooth engaged with gear 10, and the other side is equipped with sliding slot compatible with gear 10, gear 10 are connected to one end of connecting rod 12, and the other end of connecting rod 12 is fixedly connected with first shell 13, and first shell 13 is fixedly connected Support base 5 is connected with threaded rod 21 at the both ends of support base 5, and one end of two threaded rods 21 is through support base 5 respectively with first Motor 6 and the connection of the second motor 14, the other end of two threaded rods 21 are placed in inside second shell 19, and the top of threaded rod 21 is solid Surely limited block 22 is connected, threaded rod 21 is prevented to be detached from second shell 19, the lower end of second shell 19 is connected with thread segment 20, and second The top of shell 19 is connected with projector 15 by rotation axis 18, and projector 15 is fixedly connected by connecting column 16 with cover board 17.
In the present embodiment, the output axis connection of the rotation axis of fan 3 and third motor, the rotation axis of gear 10 and the 4th electricity The output axis connection of machine.
In the present embodiment, terminal installation 11 includes power module, integrated circuit board, data transmission module and Ethernet control Module, power module include that out-put supply expands interface output controllable electric power interface and input power interface, and out-put supply is expanded Interface output controllable electric power interface and input power interface are electrically connected by cable with integrated circuit board, and integrated circuit board is equipped with Network-driven chip, storage chip, main control chip, integrated stable voltage circuit and power supply chip, data transmission module include VAG input Interface, VAG output interface, USB download interface, audio output interface and audio input interface, VAG input interface, VAG output connect Mouth, USB download interface, audio output interface and audio input interface are electrically connected by cable with integrated circuit board, ether network control Molding block includes optical fiber input interface, functions expanding interface and network communication interface, optical fiber input interface, functions expanding interface and Network communication interface is electrically connected by connection with integrated circuit board.
In the present embodiment, the output end and first motor 6, the second motor 14, third motor and the 4th motor of main control chip Input terminal electrical connection, the input terminal of main control chip is electrically connected with the output end of humidity temperature monitor 7.
In the present embodiment, integrated stable voltage circuit uses electric current output buck switching mode integrated stable voltage circuit, and is specifically divided into LM2576S-5.0 and two kinds of LM2576S-12.0.
In the present embodiment, driving chip is stored using DM9000 type network-driven chip, storage chip using AT24C64 type Chip, main control chip use STM32F103ZET6 type main control chip.
In the present embodiment, cooling fin is additionally provided on power supply chip.
Working principle:
In use, main control chip controls the 4th electric motor starting, the rotation of the 4th motor-driven gear 10, gear 10 and trapezoidal bottom Seat 9 inner walls engagement, and then gear 10 moves up, so that projector 15 rises, then as the case may be, passes through first motor 6 and second motor 14 adjust the angle of projector 15, motor driven threaded rod 21 rotates, so that second shell 19 moves up and down 15 angle of projector is adjusted to realize, the information that the humidity temperature monitor 11 set in protective shell 2 will test is transferred to main control chip, Main control chip drives third motor, and the output shaft of third motor drives fan 3 to rotate, the heat dissipation inside protective shell 2 is gone out It goes.
Fan 3 set by 2 inside of protective shell of the invention, for the heat inside protective shell 2 to be discharged;Using two kinds of types Number electric current output buck switching mode integrated stable voltage circuit, can provide respectively 5V and 12V power supply output, be different voltages demand Component provide power supply;Cooling fin on power supply chip guarantees power supply core for dispersing the heat on power supply chip The normal use of piece, and can prolong its service life;After power amplifier expansion interface is used to audio being amplified to certain power, then export To sound equipment and earphone;Humidity temperature monitor for detecting intelligent control module ambient temperature and humidity, and can be adjusted according to temperature height 3 revolving speed of fan;Intelligent control module and ethernet control module combine, with more powerful intelligentized control method and management energy Power;The present invention has the characteristics that compact-sized, stable, manipulation is convenient and practical.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of wisdom classroom projection arrangement, which is characterized in that including protective shell (2), be equipped at the top of the protective shell (2) The bottom of control panel (1), the protective shell (2) is fixedly connected pedestal (8), and the protective shell (2) is hollow structure, the guarantor Fixing seat (4) are symmetrically fixedly connected on protective case (2) inner wall, fan (3) are connected on the fixing seat (4), in the protection Bottom connection humidity temperature monitor (7), trapezoidal pedestal (9) and the terminal installation (11) of shell (2), in the trapezoidal pedestal (9) Wall is equipped with the tooth engaged with gear (10), and the other side is equipped with gear (10) compatible sliding slot, gear (10) connection The other end in one end of connecting rod (12), the connecting rod (12) is fixedly connected with first shell (13), the first shell (13) support base (5) are fixedly connected with, are connected with threaded rod (21) at the both ends of the support base (5), two threaded rods (21) one end is connect with first motor (6) and the second motor (14) respectively through support base (5), two threaded rods (21) The other end be placed in that second shell (19) is internal, and the lower end of the second shell (19) is connected with thread segment (20), described second The top of shell (19) is connected with projector (15) by rotation axis (18), and the projector (15) passes through connecting column (16) and lid Plate (17) is fixedly connected.
2. a kind of wisdom classroom projection arrangement according to claim 1, which is characterized in that the rotation axis of the fan (3) With the output axis connection of third motor, the rotation axis of the gear (10) and the output axis connection of the 4th motor.
3. a kind of wisdom classroom projection arrangement according to claim 1, which is characterized in that the upper end of the fixing seat (4) The angle of face and horizontal plane is 30 ° -45 °.
4. a kind of wisdom classroom projection arrangement according to claim 1, which is characterized in that the top of the threaded rod (21) It is fixedly connected with limited block (22).
5. a kind of wisdom classroom projection arrangement according to claim 1, which is characterized in that the terminal installation (11) includes Power module, integrated circuit board, data transmission module and ethernet control module, the power module include that out-put supply is expanded Interface exports controllable electric power interface and input power interface, and the out-put supply expands interface output controllable electric power interface and input Power interface is electrically connected by cable with integrated circuit board, the integrated circuit board equipped with network-driven chip, storage chip, Main control chip, integrated stable voltage circuit and power supply chip, the data transmission module include VAG input interface, VAG output interface, USB download interface, audio output interface and audio input interface, the VAG input interface, VAG output interface, USB downloading connect Mouth, audio output interface and audio input interface are electrically connected by cable with integrated circuit board, the ethernet control module packet Include optical fiber input interface, functions expanding interface and network communication interface, the optical fiber input interface, functions expanding interface and network Communication interface is electrically connected by connection with integrated circuit board.
6. a kind of wisdom classroom projection arrangement according to claim 5, which is characterized in that the output end of the main control chip Be electrically connected with the input terminal of first motor (6), the second motor (14), third motor and the 4th motor, the main control chip it is defeated Enter end to be electrically connected with the output end of humidity temperature monitor (7).
7. a kind of wisdom classroom projection arrangement according to claim 5, which is characterized in that the integrated stable voltage circuit uses Electric current output buck switching mode integrated stable voltage circuit, and it is specifically divided into LM2576S-5.0 and two kinds of LM2576S-12.0.
8. a kind of wisdom classroom projection arrangement according to claim 5, which is characterized in that the driving chip uses DM9000 type network-driven chip, storage chip use STM32F103ZET6 using AT24C64 type storage chip, main control chip Type main control chip.
9. a kind of wisdom classroom projection arrangement according to claim 5, which is characterized in that also set up on the power supply chip There is cooling fin.
10. a kind of application method of the wisdom classroom projection arrangement as described in claim 1-9 is any, which is characterized in that connection electricity Source, the 4th electric motor starting, the rotation of the 4th motor-driven gear (10), gear (10) are engaged with trapezoidal pedestal (9) inner wall, projector (15) rise;Then as the case may be, the angle of projector (15) is adjusted by first motor (6) and the second motor (14).
CN201910624535.9A 2019-07-11 2019-07-11 A kind of wisdom classroom projection arrangement and application method Pending CN110278424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910624535.9A CN110278424A (en) 2019-07-11 2019-07-11 A kind of wisdom classroom projection arrangement and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910624535.9A CN110278424A (en) 2019-07-11 2019-07-11 A kind of wisdom classroom projection arrangement and application method

Publications (1)

Publication Number Publication Date
CN110278424A true CN110278424A (en) 2019-09-24

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CN201910624535.9A Pending CN110278424A (en) 2019-07-11 2019-07-11 A kind of wisdom classroom projection arrangement and application method

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202095A1 (en) * 2005-03-09 2006-09-14 Chun-How Shao Elevating mechanism
CN203823367U (en) * 2014-05-07 2014-09-10 无锡商业职业技术学院 Projector adjusting device
CN205424316U (en) * 2016-03-31 2016-08-03 孙天敏 Projecting apparatus device for multimedia classroom
CN208459763U (en) * 2018-06-12 2019-02-01 浩腾和润(北京)科技有限公司 A kind of projector bracket

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202095A1 (en) * 2005-03-09 2006-09-14 Chun-How Shao Elevating mechanism
CN203823367U (en) * 2014-05-07 2014-09-10 无锡商业职业技术学院 Projector adjusting device
CN205424316U (en) * 2016-03-31 2016-08-03 孙天敏 Projecting apparatus device for multimedia classroom
CN208459763U (en) * 2018-06-12 2019-02-01 浩腾和润(北京)科技有限公司 A kind of projector bracket

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Application publication date: 20190924