CN101334931A - Controlled electric appliance with status of remote controller controllable - Google Patents
Controlled electric appliance with status of remote controller controllable Download PDFInfo
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- CN101334931A CN101334931A CNA2007100762414A CN200710076241A CN101334931A CN 101334931 A CN101334931 A CN 101334931A CN A2007100762414 A CNA2007100762414 A CN A2007100762414A CN 200710076241 A CN200710076241 A CN 200710076241A CN 101334931 A CN101334931 A CN 101334931A
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- controlled electric
- receiving module
- infrared receiving
- mcu
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Abstract
The invention provides a controlled electric appliance with a controllable remote control status; the controlled electric appliance comprises a micro-control unit (MCU) and an infrared receiving module; the controlled electric appliance also comprises a control switch used for the switching on or off between the MCU and the infrared receiving module. The technical proposal provided by the invention avoids the problem of the misoperation of the controlled electric appliance caused by the system coincident code among the remote controllers of various controlled electric appliances, so as to ensure that the remote control function of the controlled electric appliance is more humanized.
Description
Technical field
The invention belongs to the telecontrol engineering field, relate in particular to the technology that remote control state of controlled electric appliance is provided with.
Background technology
The development of telecontrol engineering greatly facilitates the user, and existing televisor, DVD player even air-conditioning all have been equipped with telepilot, and the user can be by the non-contact control of telepilot realization to these household electrical appliance.
With the televisor is example, the basic functional principle of telepilot is to receive the control signal that telepilot sends by the infrared receiving module on the controlled electric appliance, after control signal carried out the demodulation sign indicating number, obtain the remote controller key code value, carry out the function of this button code value correspondence then by controlled electric appliance.The synoptic diagram of existing TV set control system as shown in Figure 1, wherein, infrared receiving module is passed to the remote signal that receives the interruption input pin of microprocessor MCU, MCU decodes to infrared signal, determine the function that this remote signal should be carried out according to the remote controller key code value that decodes, pass through I then
2The C bus removes to control the first-class device of high frequency, carries out switching actions such as volume increase and decrease as channel.
When the arbitrary button on the telepilot was triggered, telepilot will generate a remote control mode, and this remote control mode comprises systematic code and key set code as shown in Figure 2.Wherein, systematic code is corresponding produces the company and product of telepilot and supporting controlled electric appliance, and therefore, the systematic code on the same telepilot generally is changeless, the telepilot of different company, different product, and systematic code generally is different; Key set code is then represented the some buttons on the telepilot, and the key set code of each button is different.
As mentioned above, the manufacturer that present household electrical appliance more and more use a teleswitch, produce household appliances is also more and more, like this, different production firms, different electrical equipment all need to use different systematic codes, but the figure place of systematic code is limited, Chang Yong RC5 sign indicating number for example, and systematic code is 5, the RC5 telepilot that systematic code is different like this can only have 32 kinds, and the probability of repeated code is very big.The NEC sign indicating number that another is commonly used, systematic code is 8, the probability of repeated code is also not little.
When different household electrical appliance all are in the same space scope, and all use a teleswitch and control, if different household electrical appliance remote controllers is when having used same systematic code, it just discerns telepilot according to systematic code simply the MCU of existing household electrical appliance, if systematic code is consistent with preset value, it just thinks that telepilot is this set remote-controller, and the action that will respond according to key value can't solve the misoperation problem of bringing because of the telepilot repeated code.
Simulated television is receiving digital television signal gradually to the Digital Television transition now, and the user needs to be equipped with set-top box at present, and set-top box is the same with televisor, also is to use telepilot to control.In addition, general subscriber household all is furnished with the DVD player of the control of using a teleswitch, even the family that has also has other household electrical appliance such as stereo set, these household electrical appliance are generally all concentrated and are put, and all use a teleswitch and control, if the telepilot generation repeated code of peripherals such as TV remote controller and digital TV set-top box, DVD, when the user operates at the telepilot that uses these peripheral hardwares, can cause the misoperation of televisor simultaneously, this maloperation will cause very big puzzlement to the user.
Summary of the invention
The object of the present invention is to provide a kind of controlled electric appliance with status of remote controller controllable, the telepilot repeated code that is intended to solve the multiple controlled electric appliance that exists in the prior art causes the problem of maloperation.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of controlled electric appliance with status of remote controller controllable comprises microprocessor MCU and infrared receiving module, and described controlled electric appliance also comprises gauge tap, is used for controlling connection or shutoff between described MCU and the infrared receiving module.
Described gauge tap is arranged on the described controlled electric appliance panel, controls for the user.
Described gauge tap one end connects described infrared receiving module, the other end connects described MCU, when described switch closure, described MCU and described infrared receiving module are connected, described MCU receives the remote signal of described infrared receiving module transmission, when described switch disconnected, described MUC and described infrared receiving module disconnected.
Described gauge tap is a slide switch, when described slide switch pull out handle in a side time, described MCU and described infrared receiving module are connected, when described when described slide switch pull out handle at opposite side the time, described MCU and the disconnection of described infrared receiving module.
Described gauge tap also is used for controlling pilot lamp, and when described MCU and described infrared receiving module disconnected, described gauge tap was controlled described pilot lamp and lighted, and reminds the described controlled electric appliance of user to be in the remote control invalid mode.
Described controlled electric appliance is televisor or set-top box.
The present invention overcomes the deficiencies in the prior art, for the controlled electric appliance that does not need to use a teleswitch or in a certain period long period, do not need to use a teleswitch, on controlled electric appliance, increase a gauge tap, be used for controlling the break-make between controlled electric appliance microprocessor MCU and the infrared receiving module, when gauge tap control controlled electric appliance infrared receiving module and MCU connection, controlled electric appliance can normally receive remote signal, and controlled electric appliance MCU control controlled electric appliance is carried out the function of remote control code value correspondence; When gauge tap control controlled electric appliance infrared receiving module and MCU disconnection, this moment, controlled electric appliance can not receive remote signal, and controlled electric appliance MCU does not respond remote signal.Technical scheme provided by the invention has been avoided between the multiple controlled electric appliance telepilot because the problem of the controlled electric appliance maloperation that the systematic code repeated code causes makes the distant control function of controlled electric appliance have more hommization.
Description of drawings
Fig. 1 is existing TV remote-control control system synoptic diagram;
Fig. 2 is the structural representation of the remote control mode of prior remote controller transmission;
Fig. 3 is a TV remote-control control system synoptic diagram of the present invention;
Fig. 4 synoptic diagram that to be the described two-way slide switch of the embodiment of the invention be connected with infrared receiving module with TV MCU.
Embodiment
Technical scheme provided by the invention is: increase a gauge tap on controlled electric appliance, be used for controlling the break-make between controlled electric appliance microprocessor MCU and the infrared receiving module, when gauge tap control controlled electric appliance infrared receiving module and MCU connection, controlled electric appliance can normally receive remote signal, and controlled electric appliance MCU control controlled electric appliance is carried out the function of remote control code value correspondence; When gauge tap control controlled electric appliance infrared receiving module and MCU disconnection, this moment, controlled electric appliance can not receive remote signal, and controlled electric appliance MCU does not respond remote signal.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As stated in the Background Art, along with simulated television gradually to the Digital Television transition, come switching channels by set-top box remote controller in the increasing family, browse program etc., and most of function of original TV remote controller can realize by set-top box remote controller, controlled electric appliance is that example describes with the televisor in the embodiment of the invention, by controlling break-make between televisor infrared receiving module and the MCU in that a switch is set on the televisor, when the user does not need to use TV remote controller, turn-off TV MCU and infrared receiving module by this gauge tap, to avoid TV remote controller and set-top box remote controller, the systematic code generation repeated code of stereo set telepilot or other telepilot causes the misoperation of equipment.Except televisor, other controlled electric appliance also can be used technical scheme provided by the invention as set-top box, audio and video equipment, air-conditioning etc., and its principle is identical, and this does not give unnecessary details.
In the embodiment of the invention, gauge tap is example with the slide switch, and other switch also is suitable for technical scheme provided by the invention, sees also shown in Figure 3, between TV MCU and infrared receiving module, be connected with slide switch K, be used for controlling the break-make between MCU and the infrared receiving module.
See also Fig. 4, slide switch K1 pin connects the output of infrared receiving module, and 3 pin connect INT (the interrupting input) pin of MCU (microcontroller), and 4 pin connect the current-limiting resistance of LED light, and 6 pin connect+the 5V power supply, and 2 pin and 5 pin are unsettled.
When slide switch dial handle in the left side time, 3 pin of slide switch and 1 pin are communicated with, 4 pin and 2 pin are communicated with, the output of the INT pin of MCU and infrared receiving module is connected like this, LED light is extinguished.This moment the user by the button on the TV remote controller constantly, infrared receiving module can be passed to the signal that receives the INT pin of MCU, MCU finishes function corresponding according to the remote control code value.
When slide switch dial handle on the right side time, 3 pin of slide switch and 5 pin are communicated with, 4 pin and 6 pin are communicated with, the INT pin of MCU is unsettled like this, LED light is lighted.Because of MCU disconnects with infrared receiving module, MCU can not receive infrared command, so when this moment, the user pressed telepilot, MCU can not do any response, just avoids the interference of other electric appliance remote controllers to televisor, simultaneously, LED light is lighted, and can point out the user " TV remote-control is invalid ".
By above method, only need to increase by 1 two-way slide switch, 1 LED lamp and 1 resistance and can realize that hardware cost is very little, software does not need to do any change, promptly can solve the problem of the televisor misoperation that causes because of the telepilot repeated code.In addition, the user judges the connection status of MCU and infrared receiving terminal for convenience, and when switch disconnected, red LED lantern festival was bright.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1, a kind of controlled electric appliance with status of remote controller controllable comprises microprocessor MCU and infrared receiving module, it is characterized in that, described controlled electric appliance also comprises gauge tap, is used for controlling connection or shutoff between described MCU and the infrared receiving module.
2, controlled electric appliance according to claim 1 is characterized in that, described gauge tap is arranged on the described controlled electric appliance panel, controls for the user.
3, controlled electric appliance according to claim 1, it is characterized in that, described gauge tap one end connects described infrared receiving module, the other end connects described MCU, when described switch closure, described MCU and described infrared receiving module are connected, and described MCU receives the remote signal of described infrared receiving module transmission, when described switch disconnected, described MUC and described infrared receiving module disconnected.
4, controlled electric appliance according to claim 1, it is characterized in that, described gauge tap is a slide switch, when described slide switch pull out handle in a side time, described MCU and described infrared receiving module are connected, when described when described slide switch pull out handle at opposite side the time, described MCU and described infrared receiving module disconnect.
5, controlled electric appliance according to claim 1, it is characterized in that, described gauge tap also is used for controlling pilot lamp, when described MCU and the disconnection of described infrared receiving module, described gauge tap is controlled described pilot lamp and is lighted, and reminds the described controlled electric appliance of user to be in the remote control invalid mode.
6, controlled electric appliance according to claim 1 is characterized in that, described controlled electric appliance is televisor or set-top box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100762414A CN101334931A (en) | 2007-06-28 | 2007-06-28 | Controlled electric appliance with status of remote controller controllable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100762414A CN101334931A (en) | 2007-06-28 | 2007-06-28 | Controlled electric appliance with status of remote controller controllable |
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| Publication Number | Publication Date |
|---|---|
| CN101334931A true CN101334931A (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100762414A Pending CN101334931A (en) | 2007-06-28 | 2007-06-28 | Controlled electric appliance with status of remote controller controllable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475920A (en) * | 2013-09-06 | 2013-12-25 | 广东长虹电子有限公司 | Method for avoiding remote control conflict of television and set top box |
| CN112562307A (en) * | 2020-12-07 | 2021-03-26 | 深圳创维－Rgb电子有限公司 | IIC signal transmission system, IIC signal transmission method, and storage medium |
-
2007
- 2007-06-28 CN CNA2007100762414A patent/CN101334931A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475920A (en) * | 2013-09-06 | 2013-12-25 | 广东长虹电子有限公司 | Method for avoiding remote control conflict of television and set top box |
| CN112562307A (en) * | 2020-12-07 | 2021-03-26 | 深圳创维－Rgb电子有限公司 | IIC signal transmission system, IIC signal transmission method, and storage medium |
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Application publication date: 20081231 |