CN207233236U - A kind of intelligent teaching terminal - Google Patents
A kind of intelligent teaching terminal Download PDFInfo
- Publication number
- CN207233236U CN207233236U CN201720711013.9U CN201720711013U CN207233236U CN 207233236 U CN207233236 U CN 207233236U CN 201720711013 U CN201720711013 U CN 201720711013U CN 207233236 U CN207233236 U CN 207233236U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- motor
- display panel
- control circuit
- angular adjustment
- 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
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- Displays For Variable Information Using Movable Means (AREA)
Abstract
The utility model discloses a kind of intelligent teaching terminal, including apparatus for adjusting position and dais, the apparatus for adjusting position is equipped with display panel, guide rail and control circuit, and the guide rail is installed on dais, sliding slot is equipped with the dais, the guide rail causes guide rail to be slided along sliding slot with hydraulic oil cylinder driving；The control circuit is used for the operation for controlling motor, it includes motor forward control circuit and motor reversal control circuit.The utility model is simple in structure, easy to adjust the position relationship between display panel and student, while reliable in action stabilization when adjusting, the protection to display panel is preferable, substantially increases efficiency of teaching, and control circuit design is reasonable.
Description
Technical field
A kind of intelligent terminal is the utility model is related to, particularly a kind of intelligent teaching terminal.
Background technology
In conventional teaching, teacher is usually the form instruction of papil using blackboard writing on the blackboard, and this mode inefficiency, accounts for
Writing on the blackboard is write with a large amount of time in classroom, is also unfavorable for the reform of education and instruction.It is real that subsequent multimedia equipment has largely put into teaching
In trampling, but in displaying, the visual angle relation between student can not be often adjusted, inconvenient for use, demonstrating effect is poor.
Utility model content
In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to provide a kind of intelligent teaching terminal,
Including apparatus for adjusting position and dais, the apparatus for adjusting position is equipped with display panel, guide rail and control circuit, in the guide rail
Equipped with moved with guide rail be connected and along rail length direction move up and down height adjustment assembly and angular adjustment component, the height
Adjusting part connection supporting rod, the display panel are installed on pressure pin, one end of the angular adjustment component connection connecting rod, described
The other end of connecting rod moves connection supporting rod, and the height adjustment assembly and angular adjustment component are driven by motor respectively, the guide rail
On dais, sliding slot is equipped with the dais, the guide rail causes guide rail to be slided along sliding slot with hydraulic oil cylinder driving；
The control circuit is used for the operation for controlling motor, it includes motor forward control circuit and motor reversal control electricity
Road, the coil that motor prograde circuit includes being rotated forward switch, the normally-closed contact of the second relay and the first relay by motor form
Series circuit, motor reversal circuit includes being switched by motor reversal, the normally-closed contact of the first relay and the second relay
The series circuit of coil composition, the both ends of motor reversal switch are parallel with the first normally opened contact of the second relay.
Preferably, height adjusting gear rack and angular adjustment rack, the height adjustment assembly and angle are equipped with the guide rail
Height adjustment gear and angular adjustment gear, the height adjustment gear and angular adjustment gear are respectively equipped with degree adjusting part
Engagement height adjusting gear rack and angular adjustment rack respectively.
Preferably, with the height adjustment gear is coaxial mounted support pulley, the support pulley and guide rail
Inner wall is in contact.
Preferably, the display panel is contact panel, is provided with control button, power switch on said display panel
And volume knob.
Preferably, it is provided with elastic buffering pad between the pressure pin and display panel.
In conclusion the utility model has the following advantages：
The utility model is simple in structure, and easy to adjust the position relationship between display panel and student, while while adjusting is moved
Make reliable and stable, the protection to display panel is preferable, substantially increases efficiency of teaching, and control circuit design is reasonable.
Brief description of the drawings
Fig. 1 is the schematic diagram of apparatus for adjusting position of the embodiment of the present invention；
The schematic diagram at another visual angle of Fig. 2 Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the side view when display panel of apparatus for adjusting position in the present embodiment is opened；
Fig. 5 is the side view when display panel of apparatus for adjusting position in the present embodiment collapses；
Fig. 6 is the circuit diagram of control circuit in the present embodiment；
Fig. 7 is schematic diagram when apparatus for adjusting position is installed on dais.
Embodiment
The utility model is made further in detail, intactly to illustrate with reference to embodiment and attached drawing.
As shown in figs. 1-7, a kind of intelligent teaching terminal, including apparatus for adjusting position and dais 4, the position adjust dress
Display panel 1 and guide rail 2 have been installed, connection dynamic with guide rail 2 is equipped with the guide rail 2 and is moved up and down along 2 length direction of guide rail
Height adjustment assembly and angular adjustment component, the height adjustment assembly connection supporting rod 5, the display panel 1 be installed on support
On bar 5, one end of the angular adjustment component connection connecting rod 51, the other end of the connecting rod 51 moves connection supporting rod 5, the height
Adjusting part and angular adjustment component are driven by motor respectively, and the guide rail 2 is installed on dais 4, are equipped with and are slided in the dais 4
Groove 7, the guide rail 2 is driven with oil cylinder 6 so that guide rail 2 is slided along sliding slot 7.
Height adjusting gear rack 21 and angular adjustment rack 22, the height adjustment assembly and angle are equipped with the guide rail 2
Height adjustment gear 31 and angular adjustment gear 41, the height adjustment gear 31 and angular adjustment are respectively equipped with adjusting part
Gear 41 distinguishes engagement height adjusting gear rack 21 and angular adjustment rack 22.
With the coaxial mounted also support pulley 32 of the height adjustment gear 31, the support pulley 32 and guide rail 2
Inner wall is in contact.
The display panel 1 is contact panel, and control button 11, power switch 12 are provided with the display panel 1
With volume knob 13.
Elastic buffering pad 14 is provided between pressure pin 5 and display panel 1.
As shown in fig. 6, control circuit includes motor positive/reverse rotation circuit and protection circuit, the left end of control circuit is opened through stopping
Close SB1 and connect positive pole, right end connection power cathode, control circuit includes motor forward control circuit and motor reversal control electricity
Road, motor prograde circuit include rotating forward switch SB2, the normally-closed contact KM2-1 of the second relay and the first relay by motor
The series circuit of coil KM1 compositions, one end of series circuit is through shutdown switch SB1 connection positive poles, other end connection power supply
Anode, the both ends of motor rotating forward switch SB2 are parallel with the first normally opened contact KM1-2 of the first relay, motor reversal circuit bag
Include the series connection being made of motor reversal switch SB3, the normally-closed contact KM1-1 of the first relay and the coil KM2 of the second relay
Circuit, one end of series circuit is through shutdown switch SB1 connection positive poles, other end connection power cathode, motor reversal switch
The both ends of SB3 are parallel with the first normally opened contact KM2-2 of the first relay.
Motor positive/reverse rotation circuit includes the series circuit being made of motor M and first resistor R1, one end warp of series circuit
Second normally opened contact KM1-3 connection power cathodes of the first relay, threeth normally opened contact of the other end through the first relay
The 3rd normally opened contact KM2-4 connections power supply of the second relay is also being passed through just in KM1-4 connection positive poles, one end of series circuit
Pole, second normally opened contact KM2-3 connection power cathode of the other end through the second relay.
Circuit is protected to include the series circuit of the 4th normally opened contact KM1-5 compositions of second resistance R2 and the first relay,
One end connection positive pole of series circuit, other end connection power cathode, the both ends of second resistance R2 are parallel with 3rd resistor
R3, the 4th normally opened contact KM1-5 both ends of the first relay are parallel with the 4th normally opened contact KM2-5 of the second relay, and
4th normally opened contact KM2-5 of three resistance R3 and the second relay forms series circuit.Protect second resistance R2 and the in circuit
Three resistance R3 use big resistance, play shunting function, avoid overcurrent damage motor M；At the same time in motor positive/reverse rotation circuit
First resistor R1 also uses big resistance, plays the role of partial pressure, avoids overvoltage damage motor M.
The utility model above-described embodiment is only to illustrate that technical solutions of the utility model are used at the same time, is only the utility model
Technical solution is enumerated, the technical solution and its protection domain being not intended to limit the present invention.Using equivalent technologies mean,
The improvement to the technical solution disclosed in the utility model claims book and specification such as equivalent apparatus, which is considered to be, not to be had
Beyond the scope disclosed in the utility model claims book and specification.
Claims (5)
1. a kind of intelligent teaching terminal, it is characterised in that including apparatus for adjusting position and dais (4), the apparatus for adjusting position
Connection dynamic with guide rail (2) is equipped with equipped with display panel (1), guide rail (2) and control circuit, in the guide rail (2) and along guide rail (2)
The height adjustment assembly and angular adjustment component that length direction moves up and down, the height adjustment assembly connection supporting rod (5) are described
Display panel (1) is installed on pressure pin (5), one end of the angular adjustment component connection connecting rod (51), the connecting rod (51)
The other end moves connection supporting rod (5), and the height adjustment assembly and angular adjustment component are driven by motor respectively, the guide rail (2)
On dais (4), sliding slot (7) is equipped with the dais (4), the guide rail (2) is driven with oil cylinder (6) so that guide rail (2)
Slided along sliding slot (7)；
The control circuit is used for the operation for controlling motor, it includes motor forward control circuit and motor reversal control circuit,
Motor prograde circuit includes the string for being rotated forward the coil of switch, the normally-closed contact of the second relay and the first relay by motor and being formed
Join circuit, motor reversal circuit includes being switched by motor reversal, the coil of the normally-closed contact of the first relay and the second relay
The series circuit of composition, the both ends of motor reversal switch are parallel with the first normally opened contact of the second relay.
2. intelligent teaching terminal as claimed in claim 1, it is characterised in that be equipped with height adjusting gear rack in the guide rail (2)
(21) and angular adjustment rack (22), height adjustment gear is respectively equipped with the height adjustment assembly and angular adjustment component
(31) adjusted with angular adjustment gear (41), the height adjustment gear (31) and angular adjustment gear (41) difference engagement height
Rack (21) and angular adjustment rack (22).
3. intelligent teaching terminal as claimed in claim 2, it is characterised in that be co-axially mounted with the height adjustment gear (31)
Also have support pulley (32), it is described support pulley (32) be in contact with the inner wall of guide rail (2).
4. intelligent teaching terminal as claimed in claim 3, it is characterised in that the display panel (1) is contact panel, in institute
State and control button (11), power switch (12) and volume knob (13) are provided with display panel (1).
5. intelligent teaching terminal as claimed in claim 4, it is characterised in that set between the pressure pin (5) and display panel (1)
It is equipped with elastic buffering pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711013.9U CN207233236U (en) | 2017-06-19 | 2017-06-19 | A kind of intelligent teaching terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711013.9U CN207233236U (en) | 2017-06-19 | 2017-06-19 | A kind of intelligent teaching terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233236U true CN207233236U (en) | 2018-04-13 |
Family
ID=61851809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711013.9U Expired - Fee Related CN207233236U (en) | 2017-06-19 | 2017-06-19 | A kind of intelligent teaching terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233236U (en) |
-
2017
- 2017-06-19 CN CN201720711013.9U patent/CN207233236U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |