CN206517536U - Projecting apparatus control panel and Control System for Projector - Google Patents
Projecting apparatus control panel and Control System for Projector Download PDFInfo
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- CN206517536U CN206517536U CN201720161102.0U CN201720161102U CN206517536U CN 206517536 U CN206517536 U CN 206517536U CN 201720161102 U CN201720161102 U CN 201720161102U CN 206517536 U CN206517536 U CN 206517536U
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- Prior art keywords
- projecting apparatus
- control panel
- apparatus control
- microcontroller
- key
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Abstract
The utility model provides a kind of projecting apparatus control panel and Control System for Projector, the projecting apparatus control panel includes plate body, the serial port module being arranged on the plate body, touch controlled key and microcontroller, the microcontroller is electrically connected with the touch controlled key and the serial port module, and the microcontroller outputs control signals to the serial port module to control the opening and closing of the projecting apparatus according to the key information of the touch controlled key.The opening and closing of projecting apparatus are controlled by the touch controlled key of control panel, convenient use person is controlled and managed to projecting apparatus.
Description
Technical field
The utility model is related to porjector technology field, more particularly to projecting apparatus control panel and projecting apparatus control system
System.
Background technology
With the progress of science, projecting apparatus is had been widely used in school, office and family.Particularly in school
In, projecting apparatus is the essential equipment of teaching, and almost a projecting apparatus is installed in each classroom.
The opening and closing of existing projecting apparatus are typically controlled by the button on remote control or projecting apparatus.But,
Higher using the frequency of use of projecting apparatus in school, remote control is easily lost or is difficult to find, and general projecting apparatus is arranged on religion
The higher place in room, switch key is not easy to touch, and very big inconvenience is so brought to user.And direct body contact
The key switch of projecting apparatus, the potential safety hazard brought to user.
Utility model content
In view of above-mentioned condition, it is necessary to provide a kind of the projecting apparatus control panel and projecting apparatus of convenient control projecting apparatus switch
Control system.
The utility model provides a kind of projecting apparatus control panel, including plate body, the serial ports mould that is arranged on the plate body
Block, touch controlled key and microcontroller, the microcontroller are electrically connected with the touch controlled key and the serial port module, described micro-
Controller outputs control signals to the serial port module to control the projecting apparatus according to the key information of the touch controlled key
Open and close.
Above-mentioned projecting apparatus control panel, wherein, the serial port module is connected by RS232 Serial Port Lines with the projecting apparatus.
Above-mentioned projecting apparatus control panel, wherein, the touch controlled key includes process chip, starting key and shutdown button,
The starting key and the shutdown button are connected with two pins of the process chip respectively.
Above-mentioned projecting apparatus control panel, wherein, the projecting apparatus control panel also corresponds to the start including 2 and pressed respectively
The indicator lamp of key and the shutdown button, 2 indicator lamps are connected with the microcontroller, are respectively used to indicating projector
Open state and off-mode.
Above-mentioned projecting apparatus control panel, wherein, projecting apparatus control panel also includes buzzer, and the buzzer is touched with described
Control button to be electrically connected with, the buzzer call when the touch controlled key has actuation of keys.
Above-mentioned projecting apparatus control panel, wherein, the projecting apparatus control panel also includes wireless communication module, described wireless
Communication module is electrically connected with the microcontroller, the control signal for sending the microcontroller output.
Above-mentioned projecting apparatus control panel, wherein, the microcontroller is ZigBee chips.
Above-mentioned projecting apparatus control panel, wherein, the shadow instrument control panel also includes integrated conversion chip, passes through the collection
The serial port module and the level conversion of the projecting apparatus are carried out into conversion chip.
Above-mentioned projecting apparatus control panel, wherein, the projecting apparatus control panel also includes 5V DC plug and Power convert
Chip, the DC plug of the 5V is connected with the integrated conversion chip, for the power supply of the integrated conversion chip, the DC
The voltage of plug carries out being converted to 3.3V voltages by power conversion chip, with to the microcontroller and the touch controlled key
Power supply.
The utility model additionally provides a kind of Control System for Projector, including projecting apparatus and above-mentioned projecting apparatus control panel,
The projecting apparatus is electrically connected with the projecting apparatus control panel.
The utility model controls the opening and closing of projecting apparatus by the touch controlled key of control panel, and convenient use person is to throwing
Shadow instrument is controlled and managed.Control panel is connected by serial port module with projecting apparatus, and information exchange is carried out by serial port module,
Projecting apparatus control panel can be removed independently of projecting apparatus and be changed or repaired by projecting apparatus control panel at any time.
Brief description of the drawings
Fig. 1 shows block diagram for the structure of the projecting apparatus control panel in the utility model first embodiment；
Fig. 2 be the utility model first embodiment in touch controlled key structural representation；
Fig. 3 shows block diagram for the structure of the projecting apparatus control panel in the utility model second embodiment；
Fig. 4 is the structural representation of microcontroller in the utility model second embodiment；
Fig. 5 is the control circuit diagram of indicator lamp in the utility model second embodiment；
Fig. 6 is a kind of power circuit schematic diagram in the utility model second embodiment；
Fig. 7 is another power circuit schematic diagram in the utility model second embodiment；
Fig. 8 shows block diagram for the structure of the projecting apparatus control panel in the utility model 3rd embodiment；
Fig. 9 be the utility model 3rd embodiment in touch controlled key structural representation；
Figure 10 be the utility model 3rd embodiment in buzzer control circuit diagram；
Figure 11 shows block diagram for the structure of the projecting apparatus control panel in the utility model fourth embodiment.
Main element symbol description
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.The utility model embodiment is given in accompanying drawing.But, the utility model can be realized in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing the embodiment is made to disclosure of the present utility model
It is more thorough comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Referring to Fig. 1, being the projecting apparatus control panel in the utility model first embodiment, for controlling projecting apparatus
Open and close, the projecting apparatus control panel is connected with the projecting apparatus by RS232 Serial Port Lines.The projecting apparatus chain of command
Plate includes plate body 100, the serial port module 200 being arranged on the plate body 100, touch controlled key and microcontroller 300.
The touch controlled key is capacitance type touch key, including process chip, starting key F1 and shutdown button F2.It is described
Touch controlled key is connected with the microcontroller 300, and the microcontroller 300 controls projecting apparatus according to the key information of touch controlled key
Startup and shutdown.The process chip that the touch controlled key is used is FTC334C chips U1.FTC334C chips U1 is employed most
New high accuracy number capacitance measuring technique, with anti-tampering, anti-panel globule influence, is applicable ultra-wide power supply and the effect such as powers.
As shown in Fig. 2 FTC334C chips U1 supports 6 touch key-press functions, output is independently exported using 6 passages, this reality
Apply in example control and use 2 passages, respectively to 2 touch key-press F1, F2 is controlled, two touch key-press F1, F2 respectively with
FTC334C chips U1 two pins connection.FTC334C chips U1 built-in capacitances measuring circuit and high-precision logical-arithmetic unit
The capacitance of each touch key-press input port over the ground is measured and computing.When finger is close to touch sense button, the button is defeated
Small increase can occur for the ground capacitance of entrance, when the volume change value reaches the triggering threshold of chip, be judged as having
Actuation of keys, and output key information.
The microcontroller 300 is electrically connected with the touch controlled key and the serial port module 200, and the serial port module is led to
RS232 Serial Port Lines are crossed to be connected with the projecting apparatus.When the touch controlled key has actuation of keys, FTC334C chips U1 outputs are pressed
Key information, the microcontroller 300 receives the key information, and sends a control signal to the throwing by RS232 Serial Port Lines
Shadow instrument is to control the opening and closing of the projecting apparatus.
The logic state of RS232 serial communications represented using positive/negative-pressure, as RS232 level, and logic 1 is -3V~-15V,
Logical zero is 3V~15V, and the Transistor-Transistor Logic level used from projecting apparatus single-chip microcomputer represents that logic state is different, and Transistor-Transistor Logic level value range is 0V
~5V, therefore to realize serial communication between the two, that is, need to carry out the conversion between RS232 level and Transistor-Transistor Logic level.This reality
Apply example and level conversion is realized by the integrated conversion chip being arranged on projecting apparatus control panel, the integrated conversion chip is for example
For MAX232 chips.
In the present embodiment, the opening and closing of projecting apparatus, convenient use person couple are controlled by the touch controlled key of control panel
Projecting apparatus is controlled and managed.Control panel is connected by serial port module with projecting apparatus, is entered row information by serial port module and is handed over
Mutually, projecting apparatus control panel can be removed independently of projecting apparatus and be changed or repaired by projecting apparatus control panel at any time.
Referring to Fig. 3, be the projecting apparatus control panel in the utility model second embodiment, its with first embodiment
The structure of projecting apparatus control panel is essentially identical, and difference is, the projecting apparatus control panel also includes being arranged on plate body
Indicator lamp D3, D4 on 100.
The starting key F1 and the shutdown button F2 correspond to one of indicator lamp, two indicator lamps respectively
D3, D4 are LED light, are separately positioned on starting key F1 and shutdown button F2 top.Two indicator lamps D3, D4 with
The microcontroller 300 is connected, and is respectively used to the open state and off-mode of indicating projector.Certainly, in the utility model
Other embodiment in, two indicator lamps can also be arranged on starting key and shutdown button lower section or its back side.
As shown in figure 4, in the present embodiment, the 5th and the 6th pin of the microcontroller is pressed by Serial Port Line with the touch-control
Key is connected, and the 7th pin of the microcontroller and the 8th pin are connected by the control circuit of GPIO mouthfuls and two indicator lamps respectively
Connect.When projecting apparatus open state, the corresponding indicator lamp of the starting key F1 is bright, and the corresponding indicator lamps of shutdown button F2 go out；
When projector is in off-mode, the corresponding indicator lamp of the shutdown button F2 is bright, and the corresponding indicator lamps of starting key F1 go out.
The present embodiment enhances man-machine interaction sense by the use state of indicator lamp indicating projector.
The control circuit of the indicator lamp is as shown in figure 5, indicator lamp D3, D4 use LED light emitting diodes, when there is certain electricity
When stream passes through light emitting diode, lumination of light emitting diode, i.e., corresponding indicator lamp brightens.Resistance on indicating lamp control circuit is
Light emitting diode current-limiting resistance, prevents super-high-current from burning out light emitting diode, shields.
Needed to use in the present embodiment to two kinds of power supplys, 5V and 3.3V power supplys.5V power supplys are powered for integrated conversion chip；
3.3V power supplys are used for microcontroller 300 and the process chip U1 of touch controlled key powers.As shown in Figure 6 and Figure 7, used in this implementation
5V DC plug J1 power supply modes are powered, and+5V voltages are obtained by DC plug J1, and+5V voltages are obtained by power conversion chip U2+
3.3V voltage.
Referring to Fig. 8, be the projecting apparatus control panel in the utility model 3rd embodiment, its with first embodiment
The structure of projecting apparatus control panel is essentially identical, and difference is, the projecting apparatus control panel also includes being arranged on plate body
Buzzer LS1 on 100.
As shown in figure 9, the process chip that touch controlled key described in the present embodiment is used is FTC334K chips U3.FTC334K
Chip U3 supports 4 touch key-press functions, and output is independently exported using 4 passages.Control uses 2 passages in the present embodiment, respectively
To 2 touch key-press F1, F2 is controlled.Two touch key-press F1, F2 and buzzer LS1 are respectively with FTC334K chips U3's
The pin connection of 1st, the 2nd and the 10th, when the touch controlled key has actuation of keys, the buzzer LS1 pipes.
As shown in Figure 10, buzzer LS1 uses active buzzer to the control circuit of the buzzer, i.e., internal containing simple
Oscillating circuit, it is only necessary to constant direct current with regard to that can beep, and need square-wave signal different from passive buzzer.
Buzzer LS1 principle of sound be electric current by magnet coil, magnet coil is produced magnetic field and drive vibrating membrane to send out
Sound, it is therefore desirable to which certain electric current could drive it, FTC334K chips U3 pin output current is too small, drives buzzer
Scarce capacity, it is therefore desirable to increase the circuit of a Current amplifier.Triode Q3's act as driving, is amplified by triode and driven
Streaming current, so as to allow buzzer LS1 to send sound.One of the base stage of the triode Q3 and FTC334K chips U3 draws
Pin is connected, and the collector and emitter of the triode Q3 is connected with power supply and buzzer LS1 respectively.
The present embodiment facilitates whether user's more the intuitional and experiential thinking touch controlled key has by touch action by setting buzzer, increases
Strong man-machine interaction sense.
Figure 11 is referred to, is the projecting apparatus control control panel in the utility model fourth embodiment, it is implemented with first
The structure of Control System for Projector in example is essentially identical, and difference is, in addition to wireless communication module 400.It is described to throw
Shadow instrument control panel carries out information exchange with the projecting apparatus by the wireless communication module 400.The wireless communication module
400 are electrically connected with the microcontroller 300, for sending control signal that the microcontroller 300 exports to the projection
Instrument.The microcontroller 300 is ZigBee chips, and such as CC2530 chips can transplant semi-open property Zigbee protocol stack well.
When microcontroller 300 receives the touch information of touch controlled key, control instruction is sent by wireless communication module and thrown to described
Shadow instrument, to control the opening and closing of projecting apparatus.
The present embodiment opens the opening and closing of control projecting apparatus by way of wireless telecommunications, makes projecting apparatus and control panel
Connection it is more simplified, it is convenient and practical.
The utility model additionally provides a kind of Control System for Projector, including projecting apparatus and embodiment 1 are appointed into embodiment 3
The projecting apparatus control panel that meaning one embodiment is mentioned.The projecting apparatus is realized by projecting apparatus control panel and opened and closed.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of projecting apparatus control panel, it is characterised in that including plate body, the serial port module being arranged on the plate body, touch-control
Button and microcontroller, the microcontroller are electrically connected with the touch controlled key and the serial port module, the microcontroller
The serial port module is output control signals to according to the key information of the touch controlled key with control the projecting apparatus unlatching and
Close.
2. projecting apparatus control panel as claimed in claim 1, it is characterised in that the serial port module passes through RS232 Serial Port Lines
It is connected with the projecting apparatus.
3. projecting apparatus control panel as claimed in claim 1, it is characterised in that the touch controlled key includes process chip, opened
Machine button and shutdown button, the starting key and the shutdown button are connected with two pins of the process chip respectively.
4. projecting apparatus control panel as claimed in claim 3, it is characterised in that the projecting apparatus control panel also includes 2
The indicator lamp of the starting key and the shutdown button is corresponded to respectively, and 2 indicator lamps are connected with the microcontroller,
It is respectively used to the open state and off-mode of indicating projector.
5. projecting apparatus control panel as claimed in claim 1, it is characterised in that projecting apparatus control panel also includes buzzer,
The buzzer is electrically connected with the touch controlled key, the buzzer call when the touch controlled key has actuation of keys.
6. projecting apparatus control panel as claimed in claim 1, it is characterised in that the projecting apparatus control panel also includes wireless
Communication module, the wireless communication module is electrically connected with the microcontroller, the control for sending the microcontroller output
Signal processed.
7. projecting apparatus control panel as claimed in claim 1, it is characterised in that the microcontroller is ZigBee chips.
8. projecting apparatus control panel as claimed in claim 1, it is characterised in that the shadow instrument control panel also includes integrated turn
Chip is changed, the serial port module and the level conversion of the projecting apparatus are carried out by the integrated conversion chip.
9. projecting apparatus control panel as claimed in claim 8, it is characterised in that the projecting apparatus control panel also includes 5V's
DC plug and power conversion chip, the DC plug of the 5V are connected with the integrated conversion chip, for the integrated conversion
The power supply of chip, the voltage of the DC plug carries out being converted to 3.3V voltages by power conversion chip, with to the micro-control
Device processed and the touch controlled key are powered.
10. a kind of Control System for Projector, it is characterised in that including described in any one in projecting apparatus and claim 1 to 9
Projecting apparatus control panel, the projecting apparatus and the projecting apparatus control panel are electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161102.0U CN206517536U (en) | 2017-02-22 | 2017-02-22 | Projecting apparatus control panel and Control System for Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161102.0U CN206517536U (en) | 2017-02-22 | 2017-02-22 | Projecting apparatus control panel and Control System for Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517536U true CN206517536U (en) | 2017-09-22 |
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ID=59868609
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720161102.0U Active CN206517536U (en) | 2017-02-22 | 2017-02-22 | Projecting apparatus control panel and Control System for Projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648438A (en) * | 2018-06-27 | 2018-10-12 | 广元元亨科技有限公司 | A kind of high efficiency low power consumption touch infrared remote control card camera and touch control method |
-
2017
- 2017-02-22 CN CN201720161102.0U patent/CN206517536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648438A (en) * | 2018-06-27 | 2018-10-12 | 广元元亨科技有限公司 | A kind of high efficiency low power consumption touch infrared remote control card camera and touch control method |
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