CN106331811A - Control method and control device for remote control receiving board - Google Patents
Control method and control device for remote control receiving board Download PDFInfo
- Publication number
- CN106331811A CN106331811A CN201610824522.2A CN201610824522A CN106331811A CN 106331811 A CN106331811 A CN 106331811A CN 201610824522 A CN201610824522 A CN 201610824522A CN 106331811 A CN106331811 A CN 106331811A
- Authority
- CN
- China
- Prior art keywords
- control
- remote control
- reception plate
- remote
- control reception
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses a control method and a control device for a remote control receiving board. The device comprises a remote control receiving board and a control motherboard, and the remote control receiving board and the control motherboard are connected by a remote control signal line and an LED control line. The control motherboard is used for sending PWM waves of different characteristics to the remote control receiving board through the LED control line, wherein the characteristic includes one or two of frequency and duty ratio. The remote control receiving board is used for detecting the characteristic of received PWM wave, executing a control command corresponding to the characteristic and feeding the execution result to the control motherboard through the remote control signal line. By using the method and the device of the invention, the complexity of circuit design is reduced, port resources are saved, and the hardware cost is reduced.
Description
Technical field
The present invention relates to telecontrol engineering field, particularly relate to control method and the device of a kind of remote control reception plate.
Background technology
RF (Radio Frequency, radio frequency) telecontrol engineering is not affected by shelter because of it, manipulates distant, can be real
Existing two-way communication and the advantage such as power consumption is relatively low, the most progressively replace traditional infrared remote control, become the main flow of telecontrol engineering.
The control circuit schematic diagram of the RF remote control reception plate that Fig. 1 provides for prior art.As it is shown in figure 1, at conventional art
In the middle of scheme, it is main that the remote controller control signal received is sent to TV (TV) by remote signal line by RF remote control reception plate
Plate, it is achieved the remote controller distant control function to TV.TV mainboard passes through LED (Light Emitting Diode, light emitting diode)
Control alignment RF remote control reception plate and send LED control signal to control the LED light flicker receiving on plate.Further, for
Realize duplex communication (as read version number and the pairing state etc. of RF remote control reception plate), between TV mainboard and RF remote control reception plate
In addition to being connected by LED control line and remote signal line, traditional method also needs additionally to increase by two data line and communicates, and one
Bar is used for sending data, and another is used for receiving data.
As can be seen here, the control program of existing RF remote control reception plate, hardware aspect needs to increase at least two lines road, needs
Hardware circuit diagram to be changed, design cost etc. can be greatly increased；Software aspects needs to increase and controls two IO ((Input/
Output, input/output) mouth, causes the waste of resource.
Summary of the invention
The purpose of the embodiment of the present invention is to provide control method and the device of a kind of remote control reception plate, simplifies and controls mainboard
And the circuit design between remote control reception plate, reduce port resource and take.
For achieving the above object, embodiments provide the control device of a kind of remote control reception plate, connect including remote control
Receive plate and control mainboard；Described remote control reception plate is connected by remote signal line and LED control line with described control mainboard；
Described control mainboard, sends the PWM of different qualities for controlling remote control reception plate described in alignment by described LED
Ripple；Wherein, one or both during described characteristic includes frequency and dutycycle；
Described remote control reception plate, for the characteristic of the PWM ripple that detection receives, performs the control life corresponding with described characteristic
Order, and execution result is fed back to described control mainboard by described remote signal line.
Preferably, described control command include enter pairing mode, read pairing state, read remote controller battery electricity and
Read any one or more combination in the version information of remote control reception plate.
Preferably, described remote control reception plate is additionally operable to receive remote controller and sends the remote signal of coming, and by described remote control
Holding wire is sent to described control mainboard.
Preferably, described control mainboard is additionally operable to control remote control reception plate described in alignment by described LED and sends LED control
Signal；
Described remote control reception plate is additionally operable to, according to the LED control signal received, control the light on and off of LED light.
Preferably, described remote control reception plate is RF remote control reception plate, and described control mainboard is TV motherboard.
Correspondingly, the embodiment of the present invention additionally provides the control method of a kind of remote control reception plate, including:
Control mainboard and controlled the PWM ripple of alignment remote control reception plate transmission different qualities by described LED；Wherein, described spy
Property includes one or both in frequency and dutycycle；
The characteristic of the PWM ripple that the detection of described remote control reception plate receives, performs the control command corresponding with described characteristic, and
Execution result is fed back to described control mainboard by described remote signal line.
Preferably, described control command include enter pairing mode, read pairing state, read remote controller battery electricity and
Read any one or more combination in the version information of remote control reception plate.
Preferably, described method also includes:
Described remote control reception plate receives remote controller and sends the remote signal of coming, and is sent to institute by described remote signal line
State control mainboard.
Preferably, described method also includes:
Described control mainboard controls remote control reception plate described in alignment by described LED and sends LED control signal；
Described remote control reception buttress, according to the LED control signal received, controls the light on and off of LED light.
Preferably, described remote control reception plate is RF remote control reception plate, and described control mainboard is TV motherboard.
The control method of the remote control reception plate that the present invention provides and device, controlled mainboard and connect by LED control alignment remote control
Receive plate and send different frequency and/or the PWM ripple of different duty so that remote control reception plate performs and described frequency and/or described
The control command that dutycycle is corresponding, and to described control mainboard execution result back.The present invention is without extra newly-increased connection
In the case of road, realize controlling the duplex between mainboard and remote control reception plate by existing LED control line and remote signal line
Communication, is reduced the complexity of circuit design, has saved port resource, saved hardware cost by software approach.
Accompanying drawing explanation
Fig. 1 is the control circuit schematic diagram of the RF remote control reception plate that prior art provides；
Fig. 2 is the structure chart of the embodiment controlling device of the remote control reception plate that the present invention provides；
Fig. 3 is the flow chart of an embodiment of the control method of the remote control reception plate that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
See Fig. 2, be the structure chart of the embodiment controlling device of the remote control reception plate that the present invention provides；Such as Fig. 2
Shown in, the control device of described remote control reception plate 22, including remote control reception plate 22 and control mainboard 21；Described remote control reception plate 22
It is connected by remote signal line and LED control line with described control mainboard 21；
Described control mainboard 21, sends different qualities for controlling remote control reception plate 22 described in alignment by described LED
PWM ripple；Wherein, one or both during described characteristic includes frequency and dutycycle；
Described remote control reception plate 22, for the characteristic of the PWM ripple that detection receives, performs the control corresponding with described characteristic
Order, and execution result is fed back to described control mainboard 21 by described remote signal line.
Wherein, described control command preferably includes to enter pairing mode, read pairing state, reading remote controller battery electricity
With any one or more combination in the version information reading remote control reception plate 22.Described remote control reception plate 22 connects for RF remote control
Receiving plate, described control mainboard 21 is TV (TV) mainboard.
In the middle of being embodied as, the corresponding relation between different qualities and the control command of PWM ripple can be according to actual needs
Self-defining.Below to use different frequency to illustrate as a example by the characteristic of PWM ripple.
TV mainboard by LED control line with certain rate-adaptive pacemaker PWM waveform, the different control of different frequency representative
Order, specific as follows: 1) the PWM wave table of 30HZ shows that request enters pairing mode.2) the PWM wave table of 50HZ shows reading pairing shape
State.3) the PWM wave table of 75HZ shows reading remote controller battery electricity.4) the PWM wave table of 150HZ shows the version reading RF remote control reception plate
This information.
When RF remote control reception plate receives mentioned order, corresponding data can be fed back to TV master by remote signal line
Plate.With mentioned order accordingly: 1) when receiving the order (the PWM ripple of 30HZ) entering pairing mode, then when pairing completes,
Send 0xA0 to TV mainboard, represent successful matching.2) when receiving the order (the PWM ripple of 50HZ) reading pairing state, if
Match, then send 0xA1 to TV mainboard, if unpaired, then send 0xA2 to TV mainboard.3) when receiving reading remote controller
The order (the PWM ripple of 75HZ) of battery electric quantity, then send 0xD0-0xD9 to TV mainboard, represent electricity 0%-100% respectively.4)
When the order (the PWM ripple of 150HZ) of the version information receiving reading RF remote control reception plate, then send 0xB0-to TV mainboard
0xBF represents hardware revision information, sends 0xC0-0xCF and represents software version information.
Though only showing as a example by different control command by the PWM wave table sending different frequency in the middle of above-mentioned embodiment, but based on
Its principle, those skilled in the art can be generalized to use different duty and/or the situation of frequency undoubtedly.
Usually, described remote control reception plate 22 is additionally operable to receive remote controller and sends the remote signal of coming, and by described distant
Control holding wire is sent to described control mainboard 21, to realize the remote controller distant control function to equipment.
Described control mainboard 21 is additionally operable to control remote control reception plate 22 described in alignment by described LED and sends LED control letter
Number；Described remote control reception plate 22 is additionally operable to, according to the LED control signal received, control the light on and off of LED light.
Described LED control signal is preferably the low and high level signal of certain amplitude, when controlling mainboard 22 and exporting high level
LED on described remote control reception plate is luminous, and when controlling mainboard 22 output low level, the LED on described remote control reception plate extinguishes.
In the middle of be embodied as, control mainboard 22 only in very short time by LED control alignment remote control reception plate send PWM ripple (as
The PWM ripple sending 30HZ in 1s enters pairing mode with request remote control reception plate), within the most of the time, the most do not send PWM
Ripple, will not impact the control of LED.
See Fig. 3, the flow chart of an embodiment of the control method of the remote control reception plate that the present invention provides.The present embodiment
Ultimate principle consistent with Fig. 2 shown device embodiment, the present embodiment does not describes in detail part, can be found in embodiment illustrated in fig. 2
Associated description.
As in figure 2 it is shown, the control method of described remote control reception plate, comprise the following steps:
S1, is controlled mainboard and is controlled the PWM ripple of alignment remote control reception plate transmission different qualities by described LED；Wherein, described
Characteristic includes one or both in frequency and dutycycle；
S2, the characteristic of the PWM ripple that the detection of described remote control reception plate receives, perform the control life corresponding with described characteristic
Order, and execution result is fed back to described control mainboard by described remote signal line.
Wherein, described control command includes entering pairing mode, reading pairing state, reading remote controller battery electricity and reading
Take any one or more combination in the version information of remote control reception plate.Described remote control reception plate is preferably RF remote control reception
Plate, described control mainboard is preferably TV motherboard.
Usually, described method also includes:
Described remote control reception plate receives remote controller and sends the remote signal of coming, and is sent to institute by described remote signal line
State control mainboard.
Described control mainboard controls remote control reception plate described in alignment by described LED and sends LED control signal；
Described remote control reception buttress, according to the LED control signal received, controls the light on and off of LED light.
In sum, the control method of the remote control reception plate that the present invention provides and device, control mainboard by LED control line
Different frequency and/or the PWM ripple of different duty is sent so that remote control reception plate performs and described frequency to remote control reception plate
And/or the control command that described dutycycle is corresponding, and to described control mainboard execution result back.The present invention is without extra new
Increase in the case of communication line, by existing LED control line and remote signal line realize controlling mainboard and remote control reception plate it
Between duplex communication, by software approach reduce circuit design complexity, saved port resource, save hardware become
This.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. the control device of a remote control reception plate, it is characterised in that include remote control reception plate and control mainboard；Described remote control connects
Receive plate to be connected by remote signal line and LED control line with described control mainboard；
Described control mainboard, sends the PWM ripple of different qualities for controlling remote control reception plate described in alignment by described LED；Its
In, described characteristic includes one or both in frequency and dutycycle；
Described remote control reception plate, for the characteristic of the PWM ripple that detection receives, performs the control command corresponding with described characteristic,
And execution result is fed back to described control mainboard by described remote signal line.
2. the control device of remote control reception plate as claimed in claim 1, it is characterised in that described control command includes that entrance is joined
To any one in pattern, reading pairing state, reading remote controller battery electricity and the version information reading remote control reception plate
Or multiple combination.
3. the control device of remote control reception plate as claimed in claim 1, it is characterised in that described remote control reception plate is additionally operable to connect
Receive remote controller and send the remote signal of coming, and be sent to described control mainboard by described remote signal line.
4. the control device of remote control reception plate as claimed in claim 1, it is characterised in that described control mainboard is additionally operable to pass through
Described LED controls remote control reception plate described in alignment and sends LED control signal；
Described remote control reception plate is additionally operable to, according to the LED control signal received, control the light on and off of LED light.
5. the control device of the remote control reception plate as described in any one of Claims 1 to 4, it is characterised in that described remote control reception
Plate is RF remote control reception plate, and described control mainboard is TV motherboard.
6. the control method of a remote control reception plate, it is characterised in that including:
Control mainboard and controlled the PWM ripple of alignment remote control reception plate transmission different qualities by described LED；Wherein, described characteristic bag
Include in frequency and dutycycle one or both；
The characteristic of the PWM ripple that the detection of described remote control reception plate receives, performs the control command corresponding with described characteristic, and will hold
Row result feeds back to described control mainboard by described remote signal line.
7. the control method of remote control reception plate as claimed in claim 6, it is characterised in that described control command includes that entrance is joined
To any one in pattern, reading pairing state, reading remote controller battery electricity and the version information reading remote control reception plate
Or multiple combination.
8. the control method of remote control reception plate as claimed in claim 6, it is characterised in that described method also includes:
Described remote control reception plate receives remote controller and sends the remote signal of coming, and is sent to described control by described remote signal line
Mainboard processed.
9. the control method of remote control reception plate as claimed in claim 6, it is characterised in that described method also includes:
Described control mainboard controls remote control reception plate described in alignment by described LED and sends LED control signal；
Described remote control reception buttress, according to the LED control signal received, controls the light on and off of LED light.
10. the control method of the remote control reception plate as described in any one of claim 6～9, it is characterised in that described remote control reception
Plate is RF remote control reception plate, and described control mainboard is TV motherboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824522.2A CN106331811A (en) | 2016-09-14 | 2016-09-14 | Control method and control device for remote control receiving board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824522.2A CN106331811A (en) | 2016-09-14 | 2016-09-14 | Control method and control device for remote control receiving board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106331811A true CN106331811A (en) | 2017-01-11 |
Family
ID=57787050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610824522.2A Pending CN106331811A (en) | 2016-09-14 | 2016-09-14 | Control method and control device for remote control receiving board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106331811A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2438726A (en) * | 2006-05-31 | 2007-12-05 | Lear Corp | Pulse width modulation control of RF signal power attenuation |
| CN201322988Y (en) * | 2008-12-24 | 2009-10-07 | 陈刚 | Multifunctional remote control equipment |
| CN202013649U (en) * | 2011-04-21 | 2011-10-19 | 青岛海信电器股份有限公司 | Multipurpose remote controller and control system based on same |
| CN105636308A (en) * | 2014-11-27 | 2016-06-01 | 张丽玉 | Wireless remote-control LED dimming light source |
-
2016
- 2016-09-14 CN CN201610824522.2A patent/CN106331811A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2438726A (en) * | 2006-05-31 | 2007-12-05 | Lear Corp | Pulse width modulation control of RF signal power attenuation |
| CN201322988Y (en) * | 2008-12-24 | 2009-10-07 | 陈刚 | Multifunctional remote control equipment |
| CN202013649U (en) * | 2011-04-21 | 2011-10-19 | 青岛海信电器股份有限公司 | Multipurpose remote controller and control system based on same |
| CN105636308A (en) * | 2014-11-27 | 2016-06-01 | 张丽玉 | Wireless remote-control LED dimming light source |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
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| RJ01 | Rejection of invention patent application after publication |