CN208126671U - electronic blackboard with covering device - Google Patents

electronic blackboard with covering device Download PDF

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Publication number
CN208126671U
CN208126671U CN201820140164.8U CN201820140164U CN208126671U CN 208126671 U CN208126671 U CN 208126671U CN 201820140164 U CN201820140164 U CN 201820140164U CN 208126671 U CN208126671 U CN 208126671U
Authority
CN
China
Prior art keywords
display unit
covering
spool
screen
photo cell
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.)
Expired - Fee Related
Application number
CN201820140164.8U
Other languages
Chinese (zh)
Inventor
龙玉朋
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.)
Hunan Tianyang Mdt Infotech Ltd
Original Assignee
Hunan Tianyang Mdt Infotech 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 Hunan Tianyang Mdt Infotech Ltd filed Critical Hunan Tianyang Mdt Infotech Ltd
Priority to CN201820140164.8U priority Critical patent/CN208126671U/en
Application granted granted Critical
Publication of CN208126671U publication Critical patent/CN208126671U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of electronic blackboard with covering device.The electronic blackboard with covering device includes blackboard and electronic display unit, it further include covering device, covering device includes bracket, spool, screen body and driver, electronic display unit includes display unit, photo cell and control unit, electric signal is passed to control unit by photo cell, and when the covered body of photo cell blocks, control unit controls display unit and closes, when photo cell is revealed in the external world, control unit controls display unit and opens.Electronic blackboard provided by the utility model with covering device shelters from the display unit of electronic display unit by radical occlusion device by the way that radical occlusion device is arranged on electronic display unit, stain display unit will not by dust;Electric signal is passed into control unit by photo cell, control unit control display unit is turned on or off, so that display unit is controlled it without other device, saves operating procedure.

Description

Electronic blackboard with covering device
【Technical field】
The utility model relates to teaching equipment technical field more particularly to a kind of electronic blackboards with covering device.
【Background technique】
Electronic blackboard is gradually applied to all kinds of teaching necks as a kind of high-tech electronic product instead of traditional blackboard Domain, medical field, among military field.Its birth makes to impart knowledge to students and give a lecture to become more lively, and content is also more held It is easily absorbed, achievees the effect that get twice the result with half the effort.
In the related technology, electronic blackboard is made of traditional wooden blackboard and electronic display, and teacher is saying class hour, is passed through Host computer controls the content of display screen on one side, is write on wooden blackboard using chalk explain to the content of courses on one side Or increase other content, but chalk will wipe after writing, and can generate many dust, fall on a display screen, use the time After longer, because of the blocked up display effect that will affect display screen of the dust of accumulation, meanwhile, the display screen of electronic blackboard needs another Outer switch goes to control, and operates cumbersome.
Therefore, it is necessary to provide a kind of new electronic blackboard solution above-mentioned technical problem.
【Utility model content】
It is black without wiping and controlling the simple electronics with covering device that the purpose of this utility model is to provide a kind of Plate.
The technical solution of the utility model is as follows:
A kind of electronic blackboard with covering device, including blackboard and the electronic display unit being fixedly arranged on the blackboard, It further include covering device, the covering device includes bracket, spool, screen body and driver, and the bracket is fixed on wall simultaneously Be arranged in parallel with the electronic display unit, the spool be arranged at intervals at the top of the electronic display unit and with the bracket Rotation connection, one end of the screen body are wound on the spool, and the driver is electrically connected with the spool for driving The spool rotation, the other end of the screen body can move up and down under the drive of the spool, the electronic display unit Including display unit, photo cell and the control unit that is connect with the display unit and the photo cell respectively, the light Electric signal is passed to described control unit by sense unit, and described control unit controls the display unit, wherein when the light sensation When the screen body that unit is moved down is blocked, described control unit is controlled according to the feedback data of the photo cell The display unit is closed, when the screen body moves upwards, and the photo cell is made to be revealed in the external world, described control unit The display unit is controlled according to the feedback data of the photo cell to open.
Preferably, the bracket includes fixed part and connecting shaft, and the fixed part is fixed on wall, the connecting shaft One end is fixed on the fixed part, and the other end and the spool are rotatablely connected.
Preferably, the display unit offers mounting hole far from one end of the spool, and the photo cell is embedded at In the mounting hole.
Preferably, the length of the screen body be greater than the spool maximum outside diameter and the display unit length it With, and the width of the screen body is greater than the width of the display unit.
Preferably, the screen body includes covering ontology and set on the brush body for covering ontology medial surface.
Preferably, the length of the brush body is 3~5mm.
Preferably, the bracket is welded by profile steel.
Preferably, the driver is motor.
The beneficial effect of electronic blackboard provided by the utility model with covering device is:It is described that there is covering device Electronic blackboard by the way that radical occlusion device is arranged on electronic display unit, when wiping blackboard, the radical occlusion device can be passed through The display unit for sheltering from the electronic display unit stain the display unit will not by dust, clear without frequently going Manage the display unit;Electric signal is passed into described control unit by the photo cell, described control unit is according to institute The feedback data of photo cell is stated to control being turned on or off for the display unit, so that the display unit is without in addition Device control it, the display unit can be switched, be saved while controlling the screen body Operating procedure improves user experience effect.
【Detailed description of the invention】
Fig. 1 is the three-dimensional structure diagram of the electronic blackboard provided by the utility model with covering device;
Fig. 2 is the working principle diagram of the electronic blackboard shown in FIG. 1 with covering device;
Fig. 3 is the structural schematic diagram of screen body shown in FIG. 1.
【Specific embodiment】
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Referring to Fig. 1, being the three-dimensional structure diagram of the electronic blackboard provided by the utility model with covering device.The tool The electronic blackboard 100 for having covering device includes being fixed on the blackboard 1 of wall, the electronic display unit 3 being fixedly arranged on the blackboard 1 And it is fixed on the covering device 5 of wall.
The blackboard 1 is wooden blackboard or Glass blackboard, and surface layer is coated with coating.
Fig. 2 is please referred to, is the working principle diagram of the electronic blackboard shown in FIG. 1 with covering device.The electronics Display device 3 includes display unit 31, photo cell 33 and is electrically connected respectively with the display unit 31 and the photo cell 33 The control unit 35 connect, the lower end of the display unit 31 offer mounting hole, and the photo cell 33 is embedded at the installation In hole, and the induction end of the photo cell 33 is exposed to the outside of the display unit 31, to prevent the photo cell 33 The problem of can not sensing light.When work, the photo cell 33 converts optical signals into electric signal, then electric signal is transmitted To described control unit 35, it is single that described control unit 35 controls the display according to the feedback data of the photo cell 33 Member 31 is turned on or off.
Specifically, in the present embodiment, the photo cell 33 is photoelectric sensor.
The covering device 5 includes bracket 51, spool 53, screen body 55 and driver, and the bracket 51 is fixed on wall And be arranged in parallel with the electronic display unit 3, the spool 53 be arranged at intervals at 3 top of the electronic display unit and with institute The rotation connection of bracket 51 is stated, the screen body 55 is wound on the spool 53, and one end of the screen body 55 is wound in described Spool 53, the other end are free end and can move up and down under the drive of the spool 53.The driver and the spool 53 Electrical connection is for driving the rotation of spool 53 to drive 55 folding and unfolding of screen body.
The bracket 51 includes fixed part 511 and connecting shaft 513, and the fixed part 511 is fixed on wall, the connection One end of axis 513 is fixed on the fixed part 511, and the other end and the spool 53 are rotatablely connected.Along 53 length of spool Direction is respectively fixed with pin shaft at the both ends of the spool 53, and the pin shaft is inserted into the hole that the connecting shaft 513 is opened up, The driver drives the spool 53 movement with around the center rotating in the hole of the connecting shaft 513, to drive the spool The screen body 55 on 53 is wound in outside it or its described free end is deployed under the spool 53 can shelter from The electronic display unit 3.
In use, starting switch, the driver is rotated forward, and the movement of spool 53 is driven to make the screen body 55 described in It is unfolded below spool 53, when the screen body 55 moves downwardly to the surface of the photo cell 33, the photo cell 33 light are blocked, at this point, signal is passed to described control unit 35 by the photo cell 33, described control unit 35 is controlled The display unit 31 is made to close.It when needing to open, starts switch, the driver reversion drives the spool 53 to move The screen body 55 is moved upwards, is recycled toward the place of the spool 53, the photo cell 33 is revealed in the external world, at this point, institute It states photo cell 33 and signal is passed into described control unit 35, described control unit 35 controls the display unit 31 and opens. Such mode of operation blocks the display unit 31 in the realization screen body 55 to protect the display unit 31 not by powder While pen or dust, the control to the display unit 31 is realized, without controlling again by other device The on or off of the display unit 31, saves operating procedure, improves user experience effect.
The length of the screen body 55 be greater than the spool 53 maximum outside diameter and the display unit 31 length it With, and the width of the screen body 55 is greater than the width of the display unit 31, can effectively shelter from the display in this way Unit 31.
Referring to Fig. 3, being the structural schematic diagram of screen body shown in FIG. 1.The screen body 55 include cover ontology 551 and Brush body 553 set on 551 inside of covering ontology, the brush body 553 are made of cotton, and the quality of cotton is softer, can be fine The protection display unit 31 outer surface, do not scratched by the brush body 553;When the screen body 55 is from the spool 53 When expansion, the brush body 553 carries out relative friction to the outer surface of the display unit 31 simultaneously, reaches automatic cleaning screen Purpose.
The length of the brush body 553 is 3~5mm, specifically, in the present embodiment, the length of the brush body 553 is 3mm, certainly, in other embodiments, the brush body 553 can also be 4mm, 5mm, can satisfy the cleaning display unit 31 purpose, so that the display of the display unit 31 is more clear.
In the present embodiment, the bracket 51 is welded by profile steel, and such mode makes the structure of the bracket 51 Simply, it is convenient to make.
Specifically, in the present embodiment, the driver is motor.
Electronic blackboard provided by the utility model with covering device has the beneficial effect that:It is described with covering device Electronic blackboard on electronic display unit by being arranged radical occlusion device, when wiping blackboard, can be hidden by the radical occlusion device The display unit for blocking the electronic display unit stain the display unit will not by dust, clear up without frequently going The display unit;Electric signal is passed into described control unit by the photo cell, described control unit is according to The feedback data of photo cell controls being turned on or off for the display unit, so that the display unit is without other Device controls it, and can switch to the display unit while controlling the screen body, save behaviour Make step, improves user experience effect.
Described in upper is only the embodiments of the present invention, it should be noted here that for the ordinary skill people of this field For member, without departing from the concept of the present invention, improvements can also be made, but these to belong to this practical newly The protection scope of type.

Claims (8)

1. a kind of electronic blackboard with covering device, including blackboard and the electronic display unit being fixedly arranged on the blackboard, It is characterized in that, further includes covering device, the covering device includes bracket, spool, screen body and driver, and the bracket is fixed Be arranged in parallel in wall and with the electronic display unit, the spool be arranged at intervals at the top of the electronic display unit and with The holder pivots connection, one end of the screen body are wound on the spool, and the driver is electrically connected with the spool For driving the spool to rotate, the other end of the screen body can move up and down under the drive of the spool, the electronics Display device includes display unit, photo cell and the control list connecting respectively with the display unit and the photo cell Electric signal is passed to described control unit by member, the photo cell, and described control unit controls the display unit, wherein When the screen body that the photo cell is moved down is blocked, described control unit is according to the feedback of the photo cell Data are closed to control the display unit, when the screen body moves upwards, and the photo cell is made to be revealed in the external world, institute It states control unit and controls the display unit unlatching according to the feedback data of the photo cell.
2. the electronic blackboard according to claim 1 with covering device, which is characterized in that the bracket includes fixed part And connecting shaft, the fixed part are fixed on wall, one end of the connecting shaft is fixed on the fixed part, the other end and institute State spool rotation connection.
3. the electronic blackboard according to claim 1 with covering device, which is characterized in that the display unit is far from institute The one end for stating spool offers mounting hole, and the photo cell is embedded in the mounting hole.
4. the electronic blackboard according to claim 1 with covering device, which is characterized in that the length of the screen body is big In the maximum outside diameter of the spool and the sum of the length of the display unit, and the width of the screen body is greater than the display list The width of member.
5. the electronic blackboard according to claim 1 with covering device, which is characterized in that the screen body includes covering Ontology and set on it is described cover ontology medial surface brush body.
6. the electronic blackboard according to claim 5 with covering device, which is characterized in that the length of the brush body is 3 ~5mm.
7. the electronic blackboard according to claim 1 with covering device, which is characterized in that the bracket is welded by profile steel It connects.
8. the electronic blackboard according to claim 1 with covering device, which is characterized in that the driver is motor.
CN201820140164.8U 2018-01-26 2018-01-26 electronic blackboard with covering device Expired - Fee Related CN208126671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820140164.8U CN208126671U (en) 2018-01-26 2018-01-26 electronic blackboard with covering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820140164.8U CN208126671U (en) 2018-01-26 2018-01-26 electronic blackboard with covering device

Publications (1)

Publication Number Publication Date
CN208126671U true CN208126671U (en) 2018-11-20

Family

ID=64206504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820140164.8U Expired - Fee Related CN208126671U (en) 2018-01-26 2018-01-26 electronic blackboard with covering device

Country Status (1)

Country Link
CN (1) CN208126671U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112860200A (en) * 2021-01-28 2021-05-28 广州视源电子科技股份有限公司 Display control method, display control device, storage medium and electronic equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112860200A (en) * 2021-01-28 2021-05-28 广州视源电子科技股份有限公司 Display control method, display control device, storage medium and electronic equipment

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181120

Termination date: 20190126