CN103209251A - Universal remote control system - Google Patents
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- CN103209251A CN103209251ACN201210532206XACN201210532206ACN103209251ACN 103209251 ACN103209251 ACN 103209251ACN 201210532206X ACN201210532206X ACN 201210532206XACN 201210532206 ACN201210532206 ACN 201210532206ACN 103209251 ACN103209251 ACN 103209251A
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Abstract
Description
Technical Field
The invention relates to the technical field of remote control of electric appliances, in particular to a universal remote control system.
Background
The existing handheld remote controllers are in one-to-one correspondence with controlled electric appliances, so that a plurality of handheld remote controllers are often purchased in one family, and the handheld remote controllers cannot be used universally, thereby causing resource waste. In addition, the remote controller integrated with a plurality of electric appliance remote control software cannot update the remote control software of the target electric appliance instantly through the Internet (Internet), so that the use range of the remote controller is limited.
Therefore, it is necessary to provide a universal remote control system to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention adopts a technical scheme that: providing a universal remote control system, the universal remote control system comprising:
the intelligent mobile phone is used for downloading and starting remote control software of the target electrical appliance to generate a remote control interface, the intelligent mobile phone is further used for processing remote control information input by a user and obtaining corresponding key information according to a processing result, then carrying out specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, then carrying out DTMF coding on the primary code to generate a secondary code signal, further transmitting the secondary code signal to the audio output unit, and simultaneously transmitting a low audio signal to a right sound channel of the audio output unit;
and the infrared transmitter is electrically connected with the audio output unit of the smart phone by utilizing the audio receiving unit contained in the infrared transmitter to receive the secondary coding signal and the low audio signal, is used for converting the received low audio signal as a power supply signal to drive the infrared transmitter to normally work, performs DTMF decoding on the received secondary coding signal to generate a primary code, performs specific decoding on the primary code to obtain the key information and an infrared transmission protocol code, processes the key information into a corresponding infrared signal according to the infrared transmission protocol code, and transmits the infrared signal to a target electric appliance.
Wherein the remote control interface is similar to that of an actual handheld remote control of the target appliance.
Wherein, the smart mobile phone includes: the remote control system comprises a central processing unit, an input unit, a display unit, a storage unit, a remote control software updating unit and an audio output unit, wherein the input unit, the display unit, the storage unit, the remote control software updating unit and the audio output unit are electrically connected with the central processing unit; wherein,
the input unit is used for inputting the name and model information of the target electrical appliance and inputting the remote control information for controlling the remote control software by a user;
the central processing unit is used for issuing an instruction for downloading corresponding remote control software to the remote control software updating unit according to the name and model information of the target electrical appliance, processing the remote control information input by a user to obtain corresponding key information, then carrying out specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, then carrying out DTMF coding on the primary code to generate a secondary code signal, further transmitting the secondary code signal to the audio output unit, and simultaneously transmitting a low audio signal to the right channel of the audio output unit;
the remote control software updating unit is used for downloading corresponding remote control software through a network according to an instruction sent by the central processing unit;
the storage unit is used for storing the remote control software downloaded by the remote control software updating unit;
the display unit is used for displaying the remote control interface;
wherein the audio output unit includes: and the earphone jack is used for transmitting the secondary coded signal and a low-frequency signal to an infrared transmitter.
Wherein the infrared emitter includes:
an audio receiving unit comprising an earphone plug for receiving the secondary encoded signal and the one bass signal from an audio output unit of the smartphone;
the audio-to-infrared unit is electrically connected with the audio receiving unit and used for converting the low audio signal received by the right channel into a power signal, driving the infrared transmitter to normally work, carrying out DTMF decoding on the received secondary coding signal to generate a primary code, then carrying out corresponding decoding on the primary code to obtain the key information and an infrared transmission protocol code, and then processing the key information into a corresponding infrared signal according to the corresponding infrared transmission protocol code;
the infrared transmitting unit is electrically connected with the audio-to-infrared unit and used for receiving and transmitting an infrared signal to a target electric appliance;
wherein, audio frequency changes infrared unit and includes: the power supply driving circuit is used for converting the low-frequency audio signal received by the right sound channel into a power supply signal, the decoding circuit is used for carrying out DTMF decoding on the received secondary coding signal to generate a primary code, then carrying out specific decoding on the primary code to obtain key information and an infrared transmission protocol code, and the infrared modulation circuit is used for processing the key information into a corresponding infrared signal by utilizing the infrared transmission protocol code.
The first-level code comprises two bytes, one byte comprises a key information code, and the other byte comprises an infrared transmission protocol code.
Through the mode, the universal remote control system provided by the invention comprises the smart phone and the infrared transmitter, is simple in structure, does not need to replace a battery for the infrared transmitter, is convenient to use, and can solve the problem of resource waste caused by the fact that an electric appliance needs to be provided with a handheld remote controller.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the universal remote control system of the present invention;
fig. 2 is a schematic structural diagram of the smartphone shown in fig. 1;
FIG. 3 is a schematic diagram of the structure of the infrared emitter shown in FIG. 1;
FIG. 4 is a schematic diagram of the primary code of the universal remote control system of the present invention;
fig. 5 is a schematic view of the external shape of the infrared emitter of fig. 1.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic structural diagram of a universal remote control system according to a first embodiment of the present invention. As shown in fig. 1, the universal remote control system of the present invention includes asmart phone 11 and aninfrared transmitter 12.
In this embodiment, thesmart phone 11 is configured to download and start remote control software of a target electrical appliance (for example, a television shown in fig. 1) to generate a remote control interface, and thesmart phone 11 is further configured to process remote control information input by a user, obtain key information corresponding to the remote control information according to a processing result, perform specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, perform DTMF coding on the primary code to generate a secondary code signal, further transmit the secondary code signal to the audio output unit, and transmit a bass signal to a right channel of the audio output unit. Theinfrared transmitter 12 is configured to utilize an audio receiving unit included therein to be electrically connected to an audio output unit of the smart phone to receive a secondary encoded signal and the low audio signal, and to convert the received low audio signal as a power signal, drive theinfrared transmitter 12 to operate normally, perform DTMF decoding on the received secondary encoded signal to generate a primary code, perform specific decoding on the primary code to obtain the key information and an infrared transmission protocol code, process the key information into a corresponding infrared signal according to the corresponding infrared transmission protocol code, and transmit the infrared signal to a target electrical appliance.
In a preferred embodiment of the present invention, the structure of thesmart phone 11 and theinfrared emitter 12 can be seen in fig. 2 and 3. Fig. 2 is a schematic structural diagram of the smartphone shown in fig. 1, and fig. 3 is a schematic structural diagram of the infrared emitter shown in fig. 1. As shown in fig. 2, thesmartphone 11 includes: acentral processing unit 111, and aninput unit 112, adisplay unit 115, astorage unit 114, a remote controlsoftware update unit 113, and anaudio output unit 116 connected to thecentral processing unit 111. The remote controlsoftware update unit 113 is also electrically connected to thestorage unit 114, and theaudio output unit 116 includes a headphone jack (not shown). As shown in fig. 3, theinfrared emitter 12 includes: theaudio receiving unit 121, the audio-to-infrared unit 122 and the infrared transmittingunit 123, wherein the audio-to-infrared unit 122 is electrically connected to theaudio receiving unit 121 and the infrared transmittingunit 123, and theaudio receiving unit 121 includes an earphone plug (not shown).
In this embodiment, after theinput unit 112 receives the name and model information of the target electrical appliance input by the user, thecentral processing unit 111 issues an instruction to the remote controlsoftware updating unit 113 to download the corresponding remote control software according to the name and model information of the target electrical appliance. After receiving the instruction, the remote controlsoftware updating unit 113 searches for and downloads corresponding remote control software according to the name and model information of the target electrical appliance, and then stores the downloaded remote control software in thestorage unit 114. Specifically, when the user activates the remote controlsoftware update unit 113, the user connects to the remote control software server via the Internet (Internet). The remote control software server is integrated with the latest remote control software of the universal electric appliance, so that the remote control software updating unit can search and download the remote control software of the target electric appliance to be remotely controlled. When the user operates the remote control software corresponding to the target electrical appliance, the remote control interface is displayed through thedisplay unit 115 of thesmart phone 11. The remote control interface is similar to (preferably, the same as) the remote control interface of the actual handheld remote controller of the target electrical appliance, so that the user can directly remotely control the target electrical appliance according to the remote control interface displayed by thedisplay unit 115 without relearning. When a user inputs remote control information for controlling remote control software through theinput unit 112, thecentral processing unit 111 first processes the remote control information to generate corresponding key information, then performs specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, and then performs DTMF coding on the primary code to generate a secondary code signal, and further transmits the secondary code signal to the audio output unit 116 (specifically, an earphone jack), and simultaneously transmits a bass signal to a right channel of the audio output unit 116 (specifically, a right channel of the earphone jack).
In the embodiment of the present invention, the primary code comprises two bytes, and particularly, referring to fig. 4, fig. 4 is a schematic diagram of the composition of the primary code of the universal remote control system of the present invention. As shown in fig. 4, the primary code includes two bytes, one of which includes the key information code and the other of which includes the infrared transmission protocol code. Accordingly, theinfrared transmitter 12 generates a corresponding primary code including a key information code and an infrared transmission protocol code when decoding the DTMF code signal. DTMF coding is to convert key information and digital information corresponding to infrared transmission protocol codes into dual DTMF coding signals, and one DTMF coding signal can be a combination of high-frequency sinusoidal signals and low-frequency sinusoidal signals.
In a specific application of the present invention, if thestorage unit 114 of thesmart phone 11 already stores remote control software of a plurality of remote controllers, the user can start the various remote control software respectively without knowing the name and model of the target electrical appliance to be remotely controlled, and then send control information for turning on the power supply to the target electrical appliance (the target electrical appliance is in a dormant state) through the remote control software. If the power supply of the target electrical appliance can be started by using a certain remote control software, the remote control software is the remote control software corresponding to the target electrical appliance, so that a user does not need to search the name and model information of the target electrical appliance in a short distance, and inconvenience brought to the user by repeatedly downloading the remote control software corresponding to the target electrical appliance through a network can be avoided.
In the embodiment of the present invention, theaudio receiving unit 121 included in theinfrared transmitter 12 includes a headphone plug (not shown), and thesmartphone 11 is electrically connected to theinfrared transmitter 12 through a headphone jack, and the headphone plug receives the secondary coded signal and a bass signal from theaudio output unit 116 of thesmartphone 11. Theaudio receiving unit 121 transmits the received secondary encoded signal to the audio-to-infrared unit 122. The audio-to-infrared unit 122 converts the received low audio signal into a power signal to drive theinfrared transmitter 12 to normally operate, and is configured to perform DTMF decoding on the received secondary encoded signal to generate a primary code, then perform corresponding decoding on the primary code to obtain corresponding key information and an infrared transmission protocol code, and then process the key information into a corresponding infrared signal according to the infrared transmission protocol code. The infrared transmittingunit 123 is electrically connected to the audio convertinginfrared unit 122, and is configured to transmit the infrared signal received from the audio convertinginfrared unit 122 to the target electrical appliance so as to remotely control the target electrical appliance to operate according to the requirement of the user.
Referring further to fig. 3, as shown in fig. 3, the audio-to-infrared unit 122 includes: the powersupply driving circuit 1221, thedecoding circuit 1222, and theinfrared modulation circuit 1223, wherein the powersupply driving circuit 1221 is configured to convert the low-frequency signal received by the right channel as a power supply signal, and drive theinfrared emitter 12 to operate normally. Thedecoding circuit 1222 is configured to perform DTMF decoding on the received secondary encoded signal to generate a primary code, and then perform specific decoding on the primary code to obtain the key information and the ir transmission protocol code, and their modulation circuit 1223 is configured to process the key information into a corresponding ir signal by using the ir transmission protocol code. When performing DTMF decoding, the audio-to-infrared unit 122 first detects the existence of digital information in the received secondary coded signal, and then determines the combination of the existing digits and determines the corresponding primary code.
Referring to fig. 5, the external shape of theinfrared emitter 12 in fig. 1 is schematically shown, and as shown in fig. 5, theinfrared emitter 12 is composed of a rectangular small box and an earphone plug (not shown in fig. 5) mounted on the small box, wherein the infrared emitting unit 123 (not shown in fig. 5) is disposed on the rectangular small box. Theaudio receiving unit 121 specifically receives the secondary coded signal and a low-frequency audio signal through an earphone plug; the infrared transmittingunit 123 is embodied as an infrared transmitting head, and the infrared transmittingunit 123 is configured to transmit an infrared signal carrying remote control information to an infrared receiving end of the target electrical appliance, so as to implement that the remote control target electrical appliance works according to a requirement of a user. Of course, in a particular application of the present invention, the external shape of theinfrared emitter 12 is not limited to that shown in fig. 5. In addition, theinput unit 12 of the smart phone included in the universal remote control system of the present invention may be a key set or a touch screen, and the comparison is not limited.
In the embodiment of the present invention, the remote control software updating unit is installed in thesmart phone 11 in an uninstallable manner, so that the remote control software updating unit can be updated in time through a network, and a user can download the latest remote control software corresponding to a target electrical product. And the downloaded remote control software is stored in thestorage unit 115, so that the user does not need to download again when remotely controlling the same target electrical appliance next time. Of course, considering that the remote control software occupies the storage space of thesmartphone 11, the remote control software may also be deleted after the remote control software is used.
In the embodiment of the present invention, theinfrared emitter 12 and thesmartphone 11 are independent from each other. And theinfrared emitter 12 can be miniaturized and can be purchased separately. In practical use, the universal remote control system of the present invention can be formed by electrically connecting the earphone plug of theaudio receiving unit 121 of theinfrared transmitter 12 with the earphone jack of theaudio output unit 116 of thesmartphone 11, wherein the earphone jack is used for transmitting the secondary coded signal and a low-frequency signal to theinfrared transmitter 12. Therefore, a user can conveniently realize remote control of various electrical appliances at the side by only carrying onesmart phone 11 and one smallinfrared emitter 12, and does not need to equip each electrical appliance with a specific handheld remote controller. In addition, the universal remote control system can reduce resource waste caused by one-to-one correspondence of the electric appliance and the handheld remote controller.
Through the mode, the universal remote control system provided by the invention comprises the smart phone and the infrared transmitter, is simple in structure, does not need to replace a battery for the infrared transmitter, is convenient to use, and can solve the problem of resource waste caused by the fact that an electric appliance needs to be provided with a handheld remote controller.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A universal remote control system, comprising:
the intelligent mobile phone is used for downloading and starting remote control software of the target electrical appliance to generate a remote control interface, the intelligent mobile phone is further used for processing remote control information input by a user and obtaining corresponding key information according to a processing result, then carrying out specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, then carrying out DTMF coding on the primary code to generate a secondary code signal, further transmitting the secondary code signal to the audio output unit, and simultaneously transmitting a low audio signal to a right sound channel of the audio output unit;
and the infrared transmitter is electrically connected with the audio output unit of the smart phone by utilizing the audio receiving unit contained in the infrared transmitter to receive the secondary coding signal and the low audio signal, is used for converting the received low audio signal as a power supply signal to drive the infrared transmitter to normally work, performs DTMF decoding on the received secondary coding signal to generate a primary code, performs specific decoding on the primary code to obtain the key information and an infrared transmission protocol code, processes the key information into a corresponding infrared signal according to the infrared transmission protocol code, and transmits the infrared signal to a target electric appliance.
2. The universal remote control system according to claim 1, wherein said remote control interface is similar to that of an actual hand-held remote control of a target appliance.
3. The universal remote control system according to claim 1, wherein said smart phone comprises: the remote control system comprises a central processing unit, an input unit, a display unit, a storage unit, a remote control software updating unit and an audio output unit, wherein the input unit, the display unit, the storage unit, the remote control software updating unit and the audio output unit are electrically connected with the central processing unit; wherein,
the input unit is used for inputting the name and model information of the target electrical appliance and inputting the remote control information for controlling the remote control software by a user;
the central processing unit is used for issuing an instruction for downloading corresponding remote control software to the remote control software updating unit according to the name and model information of the target electrical appliance, processing the remote control information input by a user to obtain corresponding key information, then carrying out specific digital coding on the key information and a corresponding infrared transmission protocol code to generate a primary code, then carrying out DTMF coding on the primary code to generate a secondary code signal, further transmitting the secondary code signal to the audio output unit, and simultaneously transmitting a low audio signal to the right channel of the audio output unit;
the remote control software updating unit is used for downloading corresponding remote control software through a network according to an instruction sent by the central processing unit;
the storage unit is used for storing the remote control software downloaded by the remote control software updating unit;
the display unit is used for displaying the remote control interface;
wherein the audio output unit includes: and the earphone jack is used for transmitting the secondary coded signal and a low-frequency signal to an infrared transmitter.
4. The universal remote control system according to claim 3 wherein said infrared transmitter comprises:
an audio receiving unit comprising an earphone plug for receiving the secondary encoded signal and the one bass signal from an audio output unit of the smartphone;
the audio-to-infrared unit is electrically connected with the audio receiving unit and used for converting the low audio signal received by the right channel into a power signal, driving the infrared transmitter to normally work, carrying out DTMF decoding on the received secondary coding signal to generate a primary code, then carrying out corresponding decoding on the primary code to obtain the key information and an infrared transmission protocol code, and then processing the key information into a corresponding infrared signal according to the corresponding infrared transmission protocol code;
the infrared transmitting unit is electrically connected with the audio-to-infrared unit and used for receiving and transmitting an infrared signal to a target electric appliance;
wherein, audio frequency changes infrared unit and includes: the power supply driving circuit is used for converting the low-frequency audio signal received by the right sound channel into a power supply signal, the decoding circuit is used for carrying out DTMF decoding on the received secondary coding signal to generate a primary code, then carrying out specific decoding on the primary code to obtain key information and an infrared transmission protocol code, and the infrared modulation circuit is used for processing the key information into a corresponding infrared signal by utilizing the infrared transmission protocol code.
5. The universal remote control system according to any one of claims 1-4 wherein said primary code comprises two bytes, one byte comprising a key information code and the other byte comprising an infrared transmission protocol code.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532206XACN103209251A (en) | 2012-12-11 | 2012-12-11 | Universal remote control system |
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| CN201210532206XACN103209251A (en) | 2012-12-11 | 2012-12-11 | Universal remote control system |
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| CN103209251Atrue CN103209251A (en) | 2013-07-17 |
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