CN108922260A - A kind of equipment for computer multimedia teaching - Google Patents
A kind of equipment for computer multimedia teaching Download PDFInfo
- Publication number
- CN108922260A CN108922260A CN201810732869.3A CN201810732869A CN108922260A CN 108922260 A CN108922260 A CN 108922260A CN 201810732869 A CN201810732869 A CN 201810732869A CN 108922260 A CN108922260 A CN 108922260A
- Authority
- CN
- China
- Prior art keywords
- water
- plate
- bottom plate
- blackboard
- projector
- 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.)
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
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- 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
-
- 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
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
Abstract
The present invention relates to teaching equipment fields, specifically a kind of equipment for computer multimedia teaching, it include bottom plate, projector mechanism, dedusting mechanism and blackboard for education, the top of the bottom plate is equipped with elevating mechanism, elevating mechanism includes mounting plate and two symmetrically arranged shifting material components, the both ends bottom of mounting plate is equipped with a side plate, dedusting mechanism includes atomizing de-dusting component and dust catcher, the top of bottom plate is equipped with teaching desk, it is equipped with accommodating chamber in the teaching desk, is equipped with computer in the accommodating chamber.The beneficial effects of the invention are as follows the crevice projection angles that projector can be automatically adjusted by projector mechanism, it is adjusted without teacher and is brought conveniently for teacher manually, and spraying and electrostatic precipitation processes can be carried out to because of the dust for using chalk to generate automatically by dedusting mechanism, dust is avoided excessively to bring great potential safety hazard to Faculty and Students.
Description
Technical field
The present invention relates to teaching equipment field, specifically a kind of equipment for computer multimedia teaching.
Background technique
Existing multimedia teaching facility is usually to pass through projector to project to electronic courseware on the screen at dais, projection
The content that instrument is shown can only launch on fixed screen, cannot sufficiently meet the observation needs of classroom all angles classmate,
And aloft to manually adjust projector more troublesome by teacher；Teacher after written word, is easy to produce flying dust, especially on blackboard with chalk
It can generate more dust in summer excessive use chalk, and sucking dust can be strong to their body for a long time for Faculty and Students
Health affects, and brings great potential safety hazard to Faculty and Students.In first technology, JP Tetsukai 2011-136422A is disclosed
A kind of Multifunction electronic blackboard is integrated with adjustable projector and blackboard, due to being electronic blackboard, does not consider that chalk generates
Dirt problems, CN101508220A discloses on blackboard the presence for carrying out reducing dust to erase the board using water spout,
But its water consumption is larger, and needs automatic drying, inefficiency, environmental protection blackboard for education disclosed in CN107364258A is utilized
The characteristic of electrostatic, by electrostatic net adsorb dust, avoid dust from being scattered everywhere, however its be passive dust suction, and adsorption space and
Limited sorption capacity is far from satisfying the indoor demand for avoiding dust from polluting, furthermore, there is also dust levels in the prior art
Problem of resource waste caused by difference automatically controllable cannot be dusted control.
Summary of the invention
The purpose of the present invention is to provide a kind of equipment for computer multimedia teaching, to solve above-mentioned background technique
The problem of middle proposition.
The technical scheme is that：It include bottom plate, projector mechanism, dedusting mechanism and blackboard for education, the teaching is black
The top of bottom plate is arranged in plate, and the top of blackboard for education is arranged in projector mechanism, and the top of the bottom plate is equipped with elevating mechanism, institute
State the mounting plate and two symmetrically arranged shifting material components that elevating mechanism includes promising string configuration, the both ends of the mounting plate
Bottom is equipped with one in the side plate being vertically arranged, and the dedusting mechanism includes the atomizing de-dusting group being arranged at the top of mounting plate
The top of part and the dust catcher being arranged at the top of bottom plate, the bottom plate is equipped with teaching desk, before blackboard for education is arranged in teaching desk
End, the teaching desk is interior to be equipped with accommodating chamber, is equipped with computer in the accommodating chamber.
In a preferred embodiment of the present invention, the atomizing de-dusting component includes sending along the setting of mounting plate length direction
Waterpipe, the mounting plate are equipped with several and are used for the U-shaped limit plate that is limited to water pipeline, on the water pipeline
Equipped with several with water pipeline inside be connected to and the outlet conduit of spaced set, be equipped on each outlet conduit
Atomizer.
In a preferred embodiment of the present invention, the atomizing de-dusting component further includes having the water tank being arranged at the top of bottom plate
And water-delivery pump, the top of the water tank, which is equipped with, is equipped with water delivery with its internal water inlet line being connected to, the side wall of the water tank
Pipeline is equipped with water supply hose, is additionally provided with connecting tube on the water pipeline between the input terminal and aqueduct of the water-delivery pump
Road, is equipped with delivery hose between the output end and connecting pipe of the water-delivery pump, electrostatic generator and list is arranged in water storage box outer wall
Piece machine, single-chip microcontroller and electrostatic generator and water-delivery pump are electrically connected, and are provided with dust sensor, atomizer outside atomizer
It is inside fixed with discharge electrode, discharge electrode and dust sensor and insulated cable is connected by sealing sleeve pipe, insulated cable passes through water tank
For piping connection between atomizer to electrostatic generator, signal is fed back to list by detection dust level by dust sensor
Piece machine, single-chip microcontroller control the electrostatic yield and carrying capacity of electrostatic generator and water-delivery pump.
In a preferred embodiment of the present invention, the projector mechanism includes the L-type connection being arranged at the top of blackboard for education
Plate connects the connection frame of front edge of board with L-type is arranged in, and is equipped in the connection frame in swingle that is horizontally disposed and can rotating,
Driver plate is fixed on the swingle, the bottom of the driver plate is equipped with projector, and the projector is set towards blackboard for education
It sets.
In a preferred embodiment of the present invention, the projector mechanism further includes having the rotation being arranged at the top of L-type connecting plate
Motor is arranged with drive pulley on the output shaft of the rotating electric machine, driven pulley is arranged on the swingle, described
It is connected between drive pulley and driven pulley by synchronous belt.
In a preferred embodiment of the present invention, two shifting material modular constructions are identical and include the vertical court of output shaft
The output shaft of the stepper motor of upper setting and the shifting material block being arranged in right above stepper motor, the stepper motor is equipped with transmission
Screw rod, the material block that moves are equipped with the screw cooperated with drive lead screw transmission, are equipped between the bottom plate and mounting plate in vertical
The slide guide bar of setting, the shifting material block are set on slide guide bar and move material block and be slidably matched with slide guide bar, the blackboard for education
It is fixed between two shifting material blocks.
In a preferred embodiment of the present invention, the bottom of the bottom plate set there are four in matrix distribution self-locking it is universal
Wheel.
The present invention provides a kind of equipment for computer multimedia teaching by improving herein, compared with prior art,
Have the advantages that as follows improve and：The crevice projection angle that projector can be automatically adjusted by projector mechanism carries out manually without teacher
It is adjusted to teacher to bring conveniently, can be handled because of the dust for using chalk to generate by dedusting mechanism, due to adopting
With release electrostatic preferably adsorbs dust simultaneously when atomizer is spraying, that is, reduces water consumption, also reached preferable
Adsorption effect, avoid dust from excessively bringing great potential safety hazard to Faculty and Students, also avoiding water mist excessively influences
Electrostatic generator is integrated with atomizer, with efficient dedusting, still belongs to the first by class environment, applies to multimedia religion
In, soot density is detected by dust sensor, and then realize the automatic control of carrying capacity and electrostatic yield, even more not
The technological means being readily conceivable that.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is schematic top plan view of the invention；
Fig. 4 is schematic elevation view of the invention；
Description of symbols：
Bottom plate 1, projector mechanism 2, L-type connecting plate 2a, connection frame 2b, swingle 2c, driver plate 2d, projector 2e, dedusting
Mechanism 3, atomizing de-dusting component 3a, water pipeline 3b, connecting pipe 3c, U-shaped limit plate 3d, outlet conduit 3e, atomizer 3f,
Dust catcher 3g, blackboard for education 4, elevating mechanism 5, mounting plate 5a, side plate 5b move material component 6, and stepper motor 6a moves material block 6b, passes
Dynamic screw rod 6c, slide guide bar 6d, teaching desk 7, water tank 8, water inlet line 8a, aqueduct 8b, water-delivery pump 8c, rotating electric machine 9 are main
Dynamic belt pulley 9a, driven pulley 9b, synchronous belt 9c, Self-locking universal wheel 10.
Specific embodiment
Below in conjunction with attached Fig. 1 to Fig. 4, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of equipment for computer multimedia teaching by improving herein, as Figure 1-Figure 4, packet
Bottom plate 1, projector mechanism 2, dedusting mechanism 3 and blackboard for education 4 are included, the top of bottom plate 1 is arranged in the blackboard for education 4, projection
The top of blackboard for education 4 is arranged in mechanism 2, and the top of the bottom plate 1 is equipped with elevating mechanism 5, and the elevating mechanism 5 includes promising
Component 6 is expected in the mounting plate 5a of string configuration and two symmetrically arranged shiftings, and the both ends bottom of the mounting plate 5a is equipped with one
It is a in the side plate 5b being vertically arranged, the dedusting mechanism 3 include be arranged in atomizing de-dusting component 3a at the top of mounting plate 5a and
The dust catcher 3g at 1 top of bottom plate is set, and the top of the bottom plate 1 is equipped with teaching desk 7, and blackboard for education 4 is arranged in teaching desk 7
Front end, the teaching desk 7 is interior to be equipped with accommodating chamber, is equipped with computer in the accommodating chamber；Projector mechanism 2 can automatically adjust projector 2e
Crevice projection angle, be adjusted without teacher and brought conveniently for teacher manually, dedusting mechanism 3 can produce to because using chalk
Raw dust is handled, and dust is avoided excessively to bring great potential safety hazard to Faculty and Students, and dust catcher 3g can be under
The aerial dust that floats is sucked between class hour, atomizing de-dusting component 3a enables dust to be dropped for being sprayed to dust
Dirt.
The atomizing de-dusting component 3a includes the water pipeline 3b along the setting of mounting plate 5a length direction, the mounting plate
5a is equipped with several U-shaped limit plate 3d for being used to limit water pipeline 3b, and the water pipeline 3b is equipped with several
It is a to be connected to the inside water pipeline 3b and be equipped with mist on the outlet conduit 3e, each outlet conduit 3e of spaced set
Change nozzle 3f；Atomizer 3f can be to teaching indoor dust to carry out spraying treatment, and U-shaped limit plate 3d is used for water pipeline 3b
It is installed and fixed.
The atomizing de-dusting component 3a further includes having the water tank 8 and water-delivery pump 8c that 1 top of bottom plate is arranged in, the water storage
The top of case 8 is equipped with the water inlet line 8a being connected to its inside, and the side wall of the water tank 8 is equipped with aqueduct 8b, described defeated
It is equipped with water supply hose between the input terminal and aqueduct 8b of water pump 8c, is additionally provided with connecting pipe 3c on the water pipeline 3b,
Delivery hose is equipped between the output end and connecting pipe 3c of the water-delivery pump 8c, electrostatic generator is arranged in water tank (8) outer wall
And single-chip microcontroller, single-chip microcontroller and electrostatic generator and water-delivery pump (8C) are electrically connected, and dust biography is provided with outside atomizer (3f)
Sensor is fixed with discharge electrode, discharge electrode and dust sensor in atomizer (3f) and connects insulated cable by sealing sleeve pipe, absolutely
Piping connection of the edge cable across water tank (8) and atomizer to electrostatic generator, dust sensor passes through detection powder
Signal is fed back to single-chip microcontroller by dirt degree, and single-chip microcontroller controls electrostatic yield and the water delivery of electrostatic generator and water-delivery pump (8c)
Amount；When teaching house dust excessive, water-delivery pump 8c work can be extracted the water in water tank 8 out by water supply hose, and
Water is moved in water pipeline 3b under the action of delivery hose, the water in water pipeline 3b will enter to outlet conduit 3e
It is interior, enable atomizer 3f to teaching indoor dust to carry out spraying treatment, due to using when atomizer is spraying simultaneously
Release electrostatic come preferably adsorbs dust, that is, reduce water consumption, also reached preferable adsorption effect, avoid dust excessively to
Faculty and Students bring great potential safety hazard, and also avoiding water mist excessively influences environment of attending class, by electrostatic generator it is integrated with
In atomizer, with efficient dedusting, still belong to the first, soot density is detected by dust sensor, and then realize water delivery
The automatic control of amount and electrostatic yield, the technological means not being readily conceivable that even more.
The projector mechanism 2 includes that the L-type connecting plate 2a at 4 top of blackboard for education is arranged in and is arranged in L-type connecting plate
It is equipped in the connection frame 2b of the front end 2a, connection frame 2b in swingle 2c that is horizontally disposed and can rotating, the swingle
Driver plate 2d is fixed on 2c, the bottom of the driver plate 2d is equipped with projector 2e, and the projector 2e is set towards blackboard for education 4
It sets；Content on computer can be shown on blackboard for education 4 by projector 2e, the swingle 2c energy band when swingle 2c rotation
Dynamic driver plate 2d rotation, driver plate 2d is able to drive projector 2e rotation, so that the crevice projection angle of projector 2e be made to change.
The projector mechanism 2 further includes having the rotating electric machine 9 being arranged at the top of L-type connecting plate 2a, the rotating electric machine 9
It is arranged with drive pulley 9a on output shaft, driven pulley 9b, the drive pulley 9a are arranged on the swingle 2c
It is connected between driven pulley 9b by synchronous belt 9c；When the crevice projection angle of projector 2e to be adjusted, 9 work of rotating electric machine
Work can drive drive pulley 9a to rotate, and driven pulley 9b rotation is able to drive under the action of synchronous belt 9c, driven
Belt pulley 9b is able to drive swingle 2c rotation, and swingle 2c can drive driver plate 2d to rotate, make the crevice projection angle of projector 2e
It changes.
Two described move expect that 6 structure of component is identical and include stepper motor 6a and set that output shaft is arranged upward vertically
The output shaft for setting shifting material the block 6b, the stepper motor 6a right above stepper motor 6a is equipped with drive lead screw 6c, the shifting
Material block 6b is equipped with the screw with drive lead screw 6c transmission cooperation, and being equipped between the bottom plate 1 and mounting plate 5a is in be vertically arranged
Slide guide bar 6d, the shifting material block 6b, which is set in slide guide bar 6d on and moves, expects that block 6b and slide guide bar 6d is slidably matched, the religion
Blackboard 4 is learned to be fixed between two shifting material block 6b；When the height of blackboard for education 4 to be changed, stepper motor 6a work can be driven
Dynamic drive lead screw 6c is rotated, and is equipped with screw because moving material block 6b, is enable to move and expect that block 6b is gone up and down on slide guide bar 6d, two shiftings material
Block 6b is able to drive the lifting of blackboard for education 4.
The bottom of the bottom plate 1 set there are four in matrix distribution Self-locking universal wheel 10；In Self-locking universal wheel 10
Bottom plate 1 can be pushed manually by acting on lower teacher, so that bottom plate 1 is able to drive blackboard for education 4 and fast moved to designated position.
The working principle of the invention：Teacher can push bottom plate 1 manually under the action of Self-locking universal wheel 10, make bottom plate
1, which is able to drive blackboard for education 4, fast moves to designated position, when the crevice projection angle of projector 2e to be adjusted, 9 work of rotating electric machine
Work can drive drive pulley 9a to rotate, and driven pulley 9b rotation is able to drive under the action of synchronous belt 9c, driven
Belt pulley 9b is able to drive swingle 2c rotation, and swingle 2c can drive driver plate 2d to rotate, make the crevice projection angle of projector 2e
It changes, when the height of blackboard for education 4 to be changed, stepper motor 6a work can drive drive lead screw 6c to rotate, because moving
Expect that block 6b is equipped with screw, enable to move and expect that block 6b is gone up and down on slide guide bar 6d, two shiftings material block 6b are able to drive blackboard for education 4
Lifting, when teaching house dust excessive, during after class, water-delivery pump 8c work can be soft by intaking by the water in water tank 8
Water, and is moved in water pipeline 3b by pipe extraction under the action of delivery hose, and the water in water pipeline 3b will be into
Enter to outlet conduit 3e, enables atomizer 3f to teaching indoor dust to carry out spraying treatment, be atomized due to using
Release electrostatic preferably adsorbs dust simultaneously when nozzle spray, that is, reduces water consumption, also reached preferable adsorption effect,
Dust is avoided excessively to bring great potential safety hazard to Faculty and Students, also avoiding water mist excessively influences environment of attending class, will be quiet
Electric generator is integrated with atomizer, with efficient dedusting, still belongs to the first, it is close to detect dust by dust sensor
Degree, and then realize the automatic control of carrying capacity and electrostatic yield, the technological means not being readily conceivable that even more.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of equipment for computer multimedia teaching, it is characterised in that：Include bottom plate (1), projector mechanism (2), remove
Dirt mechanism (3) and blackboard for education (4), blackboard for education (4) setting are being taught in the top of bottom plate (1), projector mechanism (2) setting
The top of blackboard (4) is learned, the top of the bottom plate (1) is equipped with elevating mechanism (5), and the elevating mechanism (5) includes promising strip
The mounting plate (5a) of shape structure and two symmetrically arranged shifting material component (6), the both ends bottom of the mounting plate (5a) is equipped with
One is in the side plate (5b) being vertically arranged, and the dedusting mechanism (3) includes the atomizing de-dusting being arranged at the top of mounting plate (5a)
The top of component (3a) and the dust catcher (3g) being arranged at the top of bottom plate (1), the bottom plate (1) is equipped with teaching desk (7), teaching desk
(7) setting is equipped with accommodating chamber in the front end of blackboard for education (4), the teaching desk (7), and computer is equipped in the accommodating chamber, described
Atomizing de-dusting component (3a) includes the water pipeline (3b) along the setting of mounting plate (5a) length direction, on the mounting plate (5a)
Equipped with the U-shaped limit plate (3d) that several are used to limit water pipeline (3b), the water pipeline (3b) is if be equipped with
Dry is connected to and the outlet conduit of spaced set (3e) with water pipeline (3b) inside, on each outlet conduit (3e)
Be equipped with atomizer (3f), the atomizing de-dusting component (3a) further include the water tank (8) having She Zhi at the top of bottom plate (1) and
Water-delivery pump (8c), the top of the water tank (8) are equipped with the water inlet line (8a) being connected to its inside, the water tank (8)
Side wall is equipped with aqueduct (8b), and water supply hose, institute are equipped between the input terminal and aqueduct (8b) of the water-delivery pump (8c)
It states and is additionally provided on water pipeline (3b) connecting pipe (3c), set between the output end and connecting pipe (3c) of the water-delivery pump (8c)
There is delivery hose, electrostatic generator and single-chip microcontroller, single-chip microcontroller and electrostatic generator and water-delivery pump (8C) is arranged in water tank (8) outer wall
Be electrically connected, dust sensor be provided with outside atomizer (3f), be fixed with discharge electrode in atomizer (3f), discharge electrode and
Dust sensor connects insulated cable, pipeline of the insulated cable across water tank (8) and atomizer by sealing sleeve pipe
It is connected to electrostatic generator, signal is fed back to single-chip microcontroller by detection dust level by dust sensor, and single-chip microcontroller controls electrostatic
The electrostatic yield and carrying capacity of generator and water-delivery pump (8c) are realized and are automatically controlled.
2. the equipment according to claim 1 for computer multimedia teaching, it is characterised in that：The projector mechanism
It (2) include the connection of the L-type connecting plate (2a) being arranged at the top of blackboard for education (4) and setting in the front end L-type connecting plate (2a)
Frame (2b) is equipped in the connection frame (2b) in swingle (2c) that is horizontally disposed and can rotating, on the swingle (2c)
It is fixed with driver plate (2d), the bottom of the driver plate (2d) is equipped with projector (2e), and the projector (2e) is black towards imparting knowledge to students
Plate (4) setting.
3. the equipment according to claim 1 for computer multimedia teaching, it is characterised in that：The projector mechanism
(2) further include the rotating electric machine (9) having She Zhi at the top of L-type connecting plate (2a), be arranged on the output shaft of the rotating electric machine (9)
Have drive pulley (9a), be arranged with driven pulley (9b) on the swingle (2c), the drive pulley (9a) and from
It is connected between dynamic belt pulley (9b) by synchronous belt (9c).
4. the equipment according to claim 1 for computer multimedia teaching, it is characterised in that：Two shifting material groups
Part (6) structure it is identical and include stepper motor (6a) that output shaft is arranged upward vertically and setting stepper motor (6a) just
The output shaft of the shifting material block (6b) of top, the stepper motor (6a) is equipped with drive lead screw (6c), on shifting material block (6b)
Equipped with the screw with drive lead screw (6c) transmission cooperation, being equipped between the bottom plate (1) and mounting plate (5a) is in be vertically arranged
Slide guide bar (6d), shifting material block (6b) is set on slide guide bar (6d) and moves material block (6b) matches with slide guide bar (6d) sliding
It closes, the blackboard for education (4) is fixed between two shifting material block (6b).
5. the equipment according to claim 1 for computer multimedia teaching, it is characterised in that：The bottom plate (1)
Bottom set there are four in matrix distribution Self-locking universal wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732869.3A CN108922260A (en) | 2018-07-05 | 2018-07-05 | A kind of equipment for computer multimedia teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732869.3A CN108922260A (en) | 2018-07-05 | 2018-07-05 | A kind of equipment for computer multimedia teaching |
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| CN108922260A true CN108922260A (en) | 2018-11-30 |
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| CN201810732869.3A Pending CN108922260A (en) | 2018-07-05 | 2018-07-05 | A kind of equipment for computer multimedia teaching |
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| CN111369837A (en) * | 2020-02-20 | 2020-07-03 | 河南工业职业技术学院 | Multifunctional display equipment for teaching of major for economic management |
| CN113296212A (en) * | 2021-04-23 | 2021-08-24 | 安庆师范大学 | Automatic network optical cable arrangement equipment based on big data |
| CN114654919A (en) * | 2021-05-20 | 2022-06-24 | 无锡科技职业学院 | Training demonstration device for human resource management |
| CN114898651A (en) * | 2022-05-24 | 2022-08-12 | 燕山大学 | Civil engineering virtual simulation experiment platform |
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| CN114898651A (en) * | 2022-05-24 | 2022-08-12 | 燕山大学 | Civil engineering virtual simulation experiment platform |
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Application publication date: 20181130 |