CN206594816U - A kind of infrared remote controller - Google Patents
A kind of infrared remote controller Download PDFInfo
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- CN206594816U CN206594816U CN201720307332.3U CN201720307332U CN206594816U CN 206594816 U CN206594816 U CN 206594816U CN 201720307332 U CN201720307332 U CN 201720307332U CN 206594816 U CN206594816 U CN 206594816U
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Abstract
The utility model discloses a kind of infrared remote controller, including terminal interface unit, infrared signal processing unit, infrared signal transmitter unit, IR signal reception unit, infrared lamp unit, terminal interface unit includes connector CON1, infrared signal processing unit includes the master chip U1 being connected with connector CON1, infrared signal transmitter unit includes resistance R1, resistance R4 and metal-oxide-semiconductor Q2, master chip U1 is connected through resistance R4 with metal-oxide-semiconductor Q2 grid, infrared lamp unit includes diode D1, metal-oxide-semiconductor Q2 drain electrode is connected through resistance R1 with diode D1 anodes, diode D1 minus earths, IR signal reception unit includes metal-oxide-semiconductor Q1, resistance R2 and infrared receiver processor U2, diode D1 anodes are connected through resistance R2 with infrared receiver processor U2, the infrared receiver processor U2 is connected with metal-oxide-semiconductor Q1 drain electrodes, infrared receiver processor U2 is connected with master chip U1.The utility model infrared remote controller precision is high, circuit is simple, cost is low, be easy to implement.
Description
Technical field
The utility model is related to communication field, more particularly to a kind of infrared remote controller.
Background technology
It is on the increase, is directly controlled for ease of user by mobile phone with infrared remote control work(with the function of smart mobile phone
The household electrical appliances of energy, part mobile phone has been provided with function of infrared remote control.By the way that software is preset or network data in mobile phone infrared software
The form in storehouse provides the carrier wave used in the infrared remote control of conventional household electrical appliances that is stored with the infrared remote coding storehouse of conventional household electrical appliances, storehouse
Frequency and each keyboard-coding information.Corresponding infrared remote coding bag is searched when using by the specifications and models of household electrical appliances, is found
After corresponding remote control coding, you can produce infrared signal to quilt by carrier frequency and each keyboard-coding information infrared transmitting circuit
Remote control equipment is remotely controlled.
For the remote control coding bag of the household electrical appliances of some known model, it is understood that there may be wrong key or few key the problem of, with
And the coding of whole remote control all unknown situations.The mobile phone of function of infrared remote control is supported to additionally provide button study work(in part
Can, learning functionality can copy the infrared remote control letter of button by extracting the carrier frequency and keyboard-coding of remote controller key
Number.
For the function of infrared remote control in mobile phone, most common way is：Infrared remote control as depicted in figs. 1 and 2 and
Mobile phone CPU directly controls infrared transmitting tube to launch in habit scheme, Fig. 1.Fig. 2 adds learning functionality with respect to Fig. 1, is also to pass through
GPIO (General Purpose Input Output, universal input/output) infrared waveform of Direct Recognition, passes through software analysis
Carrier wave and signal.Such scheme advantage is that circuit is simple, and cost is low, is had the disadvantage because most of function of infrared remote control needs to carry out
Carrier modulation, carrier frequency has 38kHz, 40kHz and 58kHz etc., directly produces tens kHz ripple with CPU GPIO mouths control
Shape can take larger cpu resource, and operating system is difficult to produce the timing of accurate Microsecond grade, is inevitably brought
Error code and carrier frequency drift.Also as shown in Figure 3 and Figure 4, mobile phone CPU does not control infrared transmitting tube or reception directly to some schemes
Pipe.But increase ASIC, single-chip microcomputer or a FPGA between CPU and infrared transmitting circuit and receiving circuit, by ASIC, monolithic
Machine and FPGA control the transmitting of infrared transmitting tube or the study of reception pipe.This scheme does not produce carrier wave directly due to CPU
And infrared coding, the infrared coding learnt is not also received directly, it is not necessary to is taken cpu resource for a long time, will not be caused carrier wave
The problem of skew or error code.But due to needing ASIC, single-chip microcomputer or FPGA in this actual implementation of scheme, circuit is extremely
Complexity, PCB surface product is big, and cost is higher, and introducing function of infrared remote control to more mobile phones brings obstacle.
Utility model content
The purpose of this utility model be overcome weak point of the prior art there is provided a kind of precision is high, circuit is simple, into
This infrared remote control terminating circuit that is low, being easy to implement.
In order to solve the above technical problems, the utility model is solved by following technical proposals：
A kind of infrared remote controller, including terminal interface unit, infrared signal processing unit, infrared signal transmitter unit,
IR signal reception unit, infrared lamp unit, wherein, the terminal interface unit is connected with infrared signal processing unit, described
Infrared signal processing unit is connected with infrared signal transmitter unit and IR signal reception unit, the infrared signal transmitter unit
It is connected with IR signal reception unit with infrared lamp unit, the terminal interface unit includes connector CON1, the infrared letter
Number processing unit includes the master chip U1 being connected with connector CON1, and the infrared signal transmitter unit includes resistance R1, electricity
R4 and metal-oxide-semiconductor Q2 is hindered, the master chip U1 is connected through resistance R4 with metal-oxide-semiconductor Q2 grid, the infrared lamp unit includes two poles
Pipe D1, the metal-oxide-semiconductor Q2 drain electrode are connected through resistance R1 with diode D1 anodes, and the diode D1 minus earths are described red
External signal receiving unit include metal-oxide-semiconductor Q1, resistance R2 and infrared receiver processor U2, the diode D1 anodes through resistance R2 with
Infrared receiver processor U2 connections, the infrared receiver processor U2 is connected with metal-oxide-semiconductor Q1 drain electrodes, the infrared receiver processor
U2 is connected with master chip U1.
Specifically, the infrared signal processing unit also includes electric capacity C4, electric capacity C5 and electric capacity C6, the electric capacity C4, electricity
Hold C5 and electric capacity C6 one end is connected with the master chip U1, the end is connected with connector CON1 simultaneously, the electric capacity C4, electric capacity
C5 and electric capacity C6 other ends ground connection.
Specifically, the infrared signal transmitter unit also includes resistance R3, electric capacity C1, electric capacity C2 and electric capacity C3, the electricity
Hold C1, electric capacity C2 and electric capacity C3 one end be connecteds with metal-oxide-semiconductor Q2 source electrode, the end is while connection metal-oxide-semiconductor Q1 source electrode and R3
One end, the other end of the R3 is connected with master chip U1, and the other end of the R3 is also connected with connector CON1, the electric capacity
C1, electric capacity C2 and electric capacity C3 other end ground connection.
Specifically, the infrared receiver also includes resistance R5 and resistance R6, described resistance R5 one end and metal-oxide-semiconductor Q1 grid
Pole is connected, and the resistance R5 other ends are connected with master chip U1, and described R6 one end is connected with infrared receiver processor U2, and the end is same
When connection metal-oxide-semiconductor Q1 drain electrode, the R6 other ends ground connection.
Specifically, the master chip U1 models ICE40LM1K-CM36, the metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2 models
WPM2026-3/TR, the infrared receiver processor U2 models VSOP98260.
The utility model has advantages below and beneficial effect compared with prior art：A kind of infrared remote control electricity of the utility model
Road, which does not only have function of infrared remote control, can also infrared learning function, share same circuit diagram so that circuit is simple, while infrared
Signal processing unit is by using master chip U1 so that circuit does not produce carrier wave and infrared coding directly, overcomes prior art
The problem of producing carrier shift or error code so that infrared remote controller control accuracy is high, and be easy to flexibly control and realize.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the first circuit diagram that prior art Infrared Remote-Control Sending controls circuit.
Fig. 2 is the second circuit schematic diagram that prior art Infrared Remote-Control Sending controls circuit.
Fig. 3 is the first circuit diagram of prior art Infrared Remote-Control Sending and learning circuit.
Fig. 4 is the second circuit schematic diagram of prior art Infrared Remote-Control Sending and learning circuit.
Fig. 5 is the circuit diagram of the embodiment of the utility model infrared remote controller one.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model
Mode not limited to this.
As shown in figure 5, specific implementation process of the present utility model is as follows：
A kind of infrared remote controller of the utility model includes terminal interface unit, infrared signal processing unit, infrared signal
Transmitter unit, IR signal reception unit, infrared lamp unit.Wherein terminal interface unit includes connector CON1, wherein, connection
Device CON1 is mainly used in receiving the infrared command of exterior terminal and passes to infrared processing unit or receive infrared processing unit
Ultra-red order data.Infrared signal processing unit includes master chip U1, electric capacity C4, electric capacity C5 and electric capacity C6, and master chip U1 can
So that infrared remote instruction is converted into infrared electric signal, infrared electric signal can also be decoded into infrared remote instruction, master chip
U1 models：ICE40LM1K-CM36, wherein electric capacity C4, electric capacity C5, electric capacity C6 are to be connected in parallel, and they play filtering voltage regulation work
With.Infrared signal transmitter unit includes metal-oxide-semiconductor Q2, resistance R1, resistance R3, resistance R4, electric capacity C1, electric capacity C2 and electric capacity C3, its
Middle metal-oxide-semiconductor Q2 plays signaling switch effect, metal-oxide-semiconductor Q2 models：WPM2026-3/TR, resistance R1, resistance R3, resistance R4 play limit
Stream is acted on, and electric capacity C1, electric capacity C2 and electric capacity C3 are to be connected in parallel, while playing filtering voltage regulation effect.Infrared receiver includes
Metal-oxide-semiconductor Q1, resistance R2, resistance R5, resistance R6 and infrared receiver processor U2, metal-oxide-semiconductor Q1 models：WPM2026-3/TR, its
Middle metal-oxide-semiconductor Q1 play signaling switch effect, infrared receiver processor U2 weaker infrared electric signal shaping can be enlarged into compared with
Strong infrared electric signal, primarily serves signal amplification, signal processor U2 models：VSOP98260.Infrared lamp unit bag
D1 containing diode, diode D1 models：IR26-61C/L302/TR8.Connector CON1 is connected with master chip U1, master chip U1
Be connected through resistance R3 with metal-oxide-semiconductor Q2 source electrodes, electric capacity C4, electric capacity C5 and electric capacity C6 one end are connected with master chip U1, the end simultaneously with
Connector CON1 connections, electric capacity C4, electric capacity C5 and the electric capacity C6 other ends ground connection, electric capacity C1, electric capacity C2 and electric capacity C3 one end with
Metal-oxide-semiconductor Q2 source electrode connection, the end connects metal-oxide-semiconductor Q1 source electrode and R3 one end simultaneously, and the R3 other end and master chip U1 connect
Connect, the R3 other end is connected with connector CON1 simultaneously, electric capacity C1, electric capacity C2 and electric capacity C3 other end ground connection, metal-oxide-semiconductor Q2's
Drain electrode is connected with resistance R1 one end, and the resistance R1 other ends are connected with diode D1 anode, diode D1 minus earth,
Metal-oxide-semiconductor Q2 grid and R4 one end are connected, and the resistance R4 other end is connected with master chip U1, metal-oxide-semiconductor Q1 drain electrode and resistance
R6 one end connection, metal-oxide-semiconductor Q1 drain electrode is connected with infrared receiver processor U2 simultaneously, resistance R6 other end ground connection, metal-oxide-semiconductor
Q1 grid is connected with resistance R5 one end, and the resistance R5 other end is connected with master chip U1, infrared receiver processor U2 and electricity
R2 one end connection is hindered, the resistance R2 other end is connected with diode D1 anode, infrared receiver processor U2 and master chip U1
Connection.
Utility model works principle is as follows：When in infrared remote control, terminal is assigned infrared by terminal interface unit
Infrared remote instruction decoding is converted into infrared signal by telecommand to infrared signal processing unit master chip U1, master chip U1,
Infrared electric signal out controls metal-oxide-semiconductor Q2 to turn on by resistance R4, diode D1 is then driven by resistance R1 so that two
Pole pipe D1 launches correct remote signal, and signal, which is passed to, needs device to be controlled.When in infrared learning, diode D1 connects
Receive infrared signal and by resistance R2 flow into IR signal reception processor U2, U2 by inter-process and by outside Q1 with
And resistance R6 biasing so that need the infrared signal learnt to be amplified to satisfaction and require, be then flowed into master chip U1, main core
The infrared signal received is switched to corresponding ultra-red order code by piece U1, gives terminal interface unit.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (5)
1. a kind of infrared remote controller, it is characterised in that including terminal interface unit, infrared signal processing unit, infrared signal
Transmitter unit, IR signal reception unit, infrared lamp unit, wherein, the terminal interface unit and infrared signal processing unit
Connection, the infrared signal processing unit is connected with infrared signal transmitter unit and IR signal reception unit, the infrared letter
Number transmitter unit and IR signal reception unit are connected with infrared lamp unit, and the terminal interface unit includes connector CON1,
The infrared signal processing unit includes the master chip U1 being connected with connector CON1, and the infrared signal transmitter unit includes
Resistance R1, resistance R4 and metal-oxide-semiconductor Q2, the master chip U1 are connected through resistance R4 with metal-oxide-semiconductor Q2 grid, the infrared lamp list
Drain electrode of the member including diode D1, the metal-oxide-semiconductor Q2 is connected through resistance R1 with diode D1 anodes, and the diode D1 negative electrodes connect
Ground, the IR signal reception unit includes metal-oxide-semiconductor Q1, resistance R2 and infrared receiver processor U2, the diode D1 anodes
It is connected through resistance R2 with infrared receiver processor U2, the infrared receiver processor U2 is connected with metal-oxide-semiconductor Q1 drain electrodes, described infrared
Reception processing device U2 is connected with master chip U1.
2. infrared remote controller according to claim 1, it is characterised in that the infrared signal processing unit also includes electricity
Hold C4, electric capacity C5 and electric capacity C6, the electric capacity C4, electric capacity C5 and electric capacity C6 one end are connected with the master chip U1, and the end is same
When be connected with connector CON1, the electric capacity C4, electric capacity C5 and the electric capacity C6 other ends ground connection.
3. infrared remote controller according to claim 1, it is characterised in that the infrared signal transmitter unit also includes electricity
The source electrode for hindering R3, electric capacity C1, electric capacity C2 and electric capacity C3, the electric capacity C1, electric capacity C2 and electric capacity C3 one end and metal-oxide-semiconductor Q2 connects
Connect, the end connects metal-oxide-semiconductor Q1 source electrode and R3 one end simultaneously, the other end of the R3 is connected with master chip U1, the R3's
The other end is also connected with connector CON1, the electric capacity C1, electric capacity C2 and electric capacity C3 other end ground connection.
4. infrared remote controller according to claim 1, it is characterised in that the infrared receiver also includes resistance R5
With resistance R6, described resistance R5 one end is connected with metal-oxide-semiconductor Q1 grids, and the resistance R5 other ends are connected with master chip U1, described
R6 one end is connected with infrared receiver processor U2, and the end connects metal-oxide-semiconductor Q1 drain electrodes, the R6 other ends ground connection simultaneously.
5. infrared remote controller according to claim 1, it is characterised in that the master chip U1 models ICE40LM1K-
CM36, the metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2 models WPM2026-3/TR, the infrared receiver processor U2 models
VSOP98260。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307332.3U CN206594816U (en) | 2017-03-28 | 2017-03-28 | A kind of infrared remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307332.3U CN206594816U (en) | 2017-03-28 | 2017-03-28 | A kind of infrared remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594816U true CN206594816U (en) | 2017-10-27 |
Family
ID=60121619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720307332.3U Active CN206594816U (en) | 2017-03-28 | 2017-03-28 | A kind of infrared remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206594816U (en) |
-
2017
- 2017-03-28 CN CN201720307332.3U patent/CN206594816U/en active Active
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