CN208045060U - A kind of multimedia overhead projector intelligent advisement player - Google Patents
A kind of multimedia overhead projector intelligent advisement player Download PDFInfo
- Publication number
- CN208045060U CN208045060U CN201820291199.1U CN201820291199U CN208045060U CN 208045060 U CN208045060 U CN 208045060U CN 201820291199 U CN201820291199 U CN 201820291199U CN 208045060 U CN208045060 U CN 208045060U
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- China
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- module
- chassis
- advertisement machine
- coupled
- cover board
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Abstract
The utility model discloses a kind of multimedia overhead projector intelligent advisement players, including advertisement machine main body and positioned at the chassis of advertisement machine bottom part body, it is provided with trample switch mechanism on chassis and controls the control circuit that advertisement machine opens and closes, trample switch mechanism includes the groove being located on chassis, it is additionally provided with cover board on chassis and can be inserted into the strip piece in groove on cover board, several elastic components are provided between chassis and cover board, control circuit includes power supply module, rectification voltage reduction module, switch module, conversion module and execution module；Solve the problems, such as that the existing Multimedia Advertisement Machine with projecting function can not be opened and closed automatically according to stream of people's situation.
Description
Technical field
The utility model is related to advertisement machine fields, more specifically, it relates to a kind of multimedia overhead projector intelligent advisement player.
Background technology
Multimedia overhead projector intelligent advisement player, as the term suggests being exactly the advertisement machine with projecting function, traditional advertisement machine needs
LED display is relied on to play ad content on the screen, but multimedia overhead projector intelligent advisement player is that advertisement picture is direct
Dispensing is developed on glass, and the method for this projection imaging is imaging film to be attached on glass in advance, then pass through advertisement machine
Predetermined content is incident upon on imaging film and plays out by internal projecting apparatus；But existing multimedia overhead projector intelligent advisement player is usual
Due to volume it is excessive so that nobody circulation it is out-of-date can still carry out projection broadcasting so that the waste and throwing of the energy
The service life of shadow instrument reduces.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of multimedia overhead projector intelligent advertisements
Machine solves the problems, such as that the existing Multimedia Advertisement Machine with projecting function can not be opened and closed automatically according to stream of people's situation.
To achieve the above object, the utility model provides following technical solution：
A kind of multimedia overhead projector intelligent advisement player, including advertisement machine main body and positioned at the chassis of advertisement machine bottom part body,
It is provided with trample switch mechanism on chassis and controls the control circuit that advertisement machine opens and closes, trample switch mechanism includes being located at chassis
On groove, cover board is additionally provided on chassis and can be inserted into the strip piece in groove on cover board, between chassis and cover board
Several elastic components are provided with, control circuit includes,
Power supply module, for being powered operation to entire control circuit；
Rectification voltage reduction module, is coupled to power supply module, for carrying out rectifying operation to electric current and carrying out decompression behaviour to voltage
Make；
Switch module, including be located at symmetrically arranged infrared emission receiver IC1 and reflector in groove, reflector and red
Outer transceiver IC1 is located at strip piece both sides；
Conversion module is coupled to switch module, and sine wave can be become to the rectangular wave or square wave of same frequency；
Execution module is coupled to conversion module, including advertisement machine switch K, the keying for controlling advertisement machine.
By using above-mentioned technical proposal, when someone needs to check the information in advertisement machine, human body is close to advertisement owner
Body, at this time foot trample on the cover board, due to being provided with several elastic components between cover board and chassis, in human body its own gravity
Under the action of cover board so that elastic component compresses and close with chassis, in the strip piece that connect at this time with cover board insertion groove, bar shaped
Part makes infrared emission receiver IC1 be isolated with reflector, and reflector no longer carries out reflective behaviour to infrared emission receiver IC1
Make, circuit is overturn after conversion module, and final execution module starts.
As the improvement of the utility model, the rectification voltage reduction module includes the capacitance C1 being serially connected and resistance R6, electricity
Resistance R6 is coupled with the rectification unit being made of to diode VD4 diode VD1, and rectification unit both ends are parallel with two pole of voltage stabilizing respectively
Pipe VW and capacitance C2.
By using above-mentioned technical proposal, capacitance C1 and resistance R6 and capacitance C2 and zener diode VW can carry out voltage
Reduced pressure operation, while the rectification unit being made of diode VD1 to diode VD4 can carry out electric current in the work of AC-DC conversion
With.
As the improvement of the utility model, the conversion module includes voltage comparator ic 2, and the of voltage comparator ic 2
Three pins are coupled to switch module, and resistance R3, voltage ratio are coupled between the second pin and switch module of voltage comparator ic 2
The 7th pin compared with device IC2 is coupled to execution module.
By using above-mentioned technical proposal, voltage comparator ic 2 is controlled by switch module, while voltage comparator ic 2 can
Control advertisement machine K.
As the improvement of the utility model, the execution module includes being coupled to the advertisement machine switch of voltage comparator ic 2
K, advertisement machine switch K are parallel with Light-emitting diode LED.
By using above-mentioned technical proposal, Light-emitting diode LED can intuitively check whether advertisement machine switch K opens.
As the improvement of the utility model, it is provided with several threaded holes on the chassis, is provided on cover board and threaded hole
The round hole of cooperation is additionally provided with the screw rod being threadedly coupled with threaded hole across round hole on cover board.
Screw rod can be worn when it is required that advertisement machine is in open state for a long time by using above-mentioned technical proposal
It crosses round hole on cover board to be threadedly coupled with threaded hole, with this so that cover board is close to be fixed on chassis.
Whether the utility model has can be automatically according to human body close to the advantage for open and close advertisement machine.
Description of the drawings
Fig. 1 is the flow diagram of the present embodiment；
Fig. 2 is the circuit theory schematic diagram of the present embodiment；
Fig. 3 is trample switch mechanism structure schematic diagram.
Reference numeral：110, power supply module；111, rectification voltage reduction module；112, switch module；113, conversion module；114,
Execution module；115, chassis；116, groove；117, infrared emission receiver IC1；118, reflector；119, strip piece；210, it covers
Plate；211, elastic component；212, advertisement machine main body.
Specific implementation mode
Embodiment is described further with reference to attached drawing.
A kind of multimedia overhead projector intelligent advisement player referring to figs. 1 to Fig. 3, including advertisement machine main body 212 and is located at advertisement machine
The chassis 115 of 212 bottom of main body is provided with trample switch mechanism on chassis 115 and controls the control circuit that advertisement machine opens and closes,
Trample switch mechanism includes the groove 116 being located on chassis 115, and cover board 210 is additionally provided on chassis 115 and is located at cover board
It can be inserted into the strip piece 119 in groove 116 on 210, several elastic components 211 be provided between chassis 115 and cover board 210, control
Circuit includes power supply module 110, rectification voltage reduction module 111, switch module 112, conversion module 113 and execution module 114；Power supply
Master control switch KK is provided between module 110 and rectification voltage reduction module 111, control circuit starts work after connecting master control switch KK
Make, the transmitting tube conducting in infrared emission receiver IC1117 (concrete model TLP947), is reflected into through reflector 118 and connects at this time
On managed, the resistance between the collector of adopter and emitter is caused to become smaller so that (concrete model is voltage comparator ic 2
LM311 output end) is high level, and advertisement machine switch K does not work at this time；Otherwise when someone needs to check the information in advertisement machine
When, human body is trampled close to advertisement machine main body 212, at this time foot on cover board 210, due to being arranged between cover board 210 and chassis 115
Have several elastic components 211, thus under the action of human body its own gravity cover board 210 so that the compression of elastic component 211 and with chassis 115
Close, the strip piece 119 being connect at this time with cover board 210 is inserted into groove 116, and strip piece 119 is so that infrared emission receiver
IC1117 is isolated with reflector 118, and reflector 118 no longer carries out reflective operation to infrared emission receiver IC1117, by turning
Circuit is overturn after changing the mold block 113, and final execution module 114 starts.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of multimedia overhead projector intelligent advisement player, including advertisement machine main body (212) and it is located at advertisement machine main body (212) bottom
Chassis (115), it is characterized in that：It is provided with trample switch mechanism on chassis (115) and controls the control electricity that advertisement machine opens and closes
Road, trample switch mechanism include be located at chassis (115) on groove (116), be additionally provided on chassis (115) cover board (210) with
And the strip piece (119) on cover board (210) in pluggable groove (116), it is arranged between chassis (115) and cover board (210)
There are several elastic components (211), control circuit to include,
Power supply module (110), for being powered operation to entire control circuit；
Rectification voltage reduction module (111) is coupled to power supply module (110), for carrying out rectifying operation to electric current and being carried out to voltage
Reduced pressure operation；
Switch module (112), including it is located at symmetrically arranged infrared emission receiver IC1 (117) and reflector in groove (116)
(118), reflector (118) and infrared emission receiver IC1 (117) are located at strip piece (119) both sides；
Conversion module (113) is coupled to switch module (112), and sine wave can be become to the rectangular wave or square wave of same frequency；
Execution module (114) is coupled to conversion module (113), including advertisement machine switch K, the keying for controlling advertisement machine.
2. a kind of multimedia overhead projector intelligent advisement player according to claim 1, it is characterized in that：The rectification voltage reduction module
(111) include the capacitance C1 being serially connected and resistance R6, resistance R6 be coupled be made of diode VD1 to diode VD4 it is whole
Unit is flowed, rectification unit both ends are parallel with zener diode VW and capacitance C2 respectively.
3. a kind of multimedia overhead projector intelligent advisement player according to claim 1, it is characterized in that：The conversion module (113)
Including voltage comparator ic 2, the third pin of voltage comparator ic 2 is coupled to switch module (112), voltage comparator ic 2
Resistance R3 is coupled between second pin and switch module (112), the 7th pin of voltage comparator ic 2 is coupled to execution module
(114)。
4. a kind of multimedia overhead projector intelligent advisement player according to claim 3, it is characterized in that：The execution module (114)
Advertisement machine switch K including being coupled to voltage comparator ic 2, advertisement machine switch K are parallel with Light-emitting diode LED.
5. a kind of multimedia overhead projector intelligent advisement player according to claim 1, it is characterized in that：It is set on the chassis (115)
Be equipped with several threaded holes, the round hole coordinated with threaded hole be provided on cover board (210), be additionally provided on cover board (210) across
The screw rod that round hole is threadedly coupled with threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291199.1U CN208045060U (en) | 2018-03-01 | 2018-03-01 | A kind of multimedia overhead projector intelligent advisement player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291199.1U CN208045060U (en) | 2018-03-01 | 2018-03-01 | A kind of multimedia overhead projector intelligent advisement player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045060U true CN208045060U (en) | 2018-11-02 |
Family
ID=63950256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820291199.1U Expired - Fee Related CN208045060U (en) | 2018-03-01 | 2018-03-01 | A kind of multimedia overhead projector intelligent advisement player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045060U (en) |
-
2018
- 2018-03-01 CN CN201820291199.1U patent/CN208045060U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20210301 |