CN203219448U - Television infrared remote-control signal switching device - Google Patents

Television infrared remote-control signal switching device Download PDF

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Publication number
CN203219448U
CN203219448U CN 201320205654 CN201320205654U CN203219448U CN 203219448 U CN203219448 U CN 203219448U CN 201320205654 CN201320205654 CN 201320205654 CN 201320205654 U CN201320205654 U CN 201320205654U CN 203219448 U CN203219448 U CN 203219448U
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China
Prior art keywords
infrared
signal
module
remote
infrared remote
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CN 201320205654
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Chinese (zh)
Inventor
卢兴旺
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN 201320205654 priority Critical patent/CN203219448U/en
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Abstract

The utility model discloses a television infrared remote-control signal switching device which is characterized in that: the device includes an infrared-signal receiving and processing module for receiving infrared remote-control signals; a channel switch control module which is electrically connected with the infrared-signal receiving and processing module and is capable of selecting an output channel for the infrared remote-control signals; and an infrared-signal emission module which electrically connects the channel switch control module and sends the infrared remote-control signals to a television. The television infrared remote-control signal switching device is simple in structure and low in cost; and the device enables televisions to avoid mutual interference when the televisions are receiving respective remote control signals so that the device is suitable for promotion and use.

Description

A kind of TV infrared remote-controlled signal switching device shifter
Technical field
The utility model relates to a kind of signal switching apparatus, relates in particular to a kind of TV infrared remote-controlled signal switching device shifter.
Background technology
During the whole set of television reliability test, multiple TV set is positioned over carries out a batch test in the testing equipment, to increase work efficiency.When checking the every function of television set in the test, operating personnel, as search platform, change channel etc. across equipment windowpane RTV remote television with remote controller.Because glass causes the TV remote signal quality to descend to infrared signal refraction and reflection, can not be stable remote signal is passed to television set.When testing during many television identical, during a certain TV of operating personnel's remote control, also can change the work at present pattern after other television reception remote signals, cause the phase mutual interference, thereby bring greatly inconvenience to test.
The utility model content
When testing when the purpose of this utility model is to overcome at present many television identical, during a certain TV of operating personnel's remote control, also can change the work at present pattern after other television reception remote signals, cause the phase mutual interference, thereby bring the greatly defective of inconvenience to test, provide a kind of not only simple in structure, and with low cost, also make TV when the remote signal that receives separately, can not cause a kind of TV infrared remote-controlled signal switching device shifter of phase mutual interference.
The purpose of this utility model is achieved through the following technical solutions: a kind of TV infrared remote-controlled signal switching device shifter comprises the infrared signal receiving processing module that receives infrared remote-controlled signal, the infrared signal transmitter module that is electrically connected and can selects the passage switching controls module of infrared remote-controlled signal output channel and be electrically connected and send to television set infrared remote-controlled signal with this passage switching controls module with this infrared signal receiving processing module.
Further, described infrared signal transmitter module comprises the infrared signal modulating tube that is connected with passage switching controls module and is connected the infrared signal transmitting tube that this infrared signal modulating tube is connected.
Further again, described passage switching controls module comprises the channel connection module that connects one to one and all be connected with the infrared signal receiving processing module with described infrared signal transmitter module, input channel is selected the button of signal, the decoder that is sent to the channel connection module after push button signalling is deciphered and all is connected with button and channel connection module.
Further, described channel connection module comprises the relay that all is connected with infrared signal receiving processing module and decoder, all the drive circuit that is connected with this relay and infrared signal sending module.
Disappear for the ease of the channel selecting signal to button input and to tremble, so that make the channel selecting signal of button input more stable, described passage switching controls module also comprises the single-shot trigger circuit that is arranged between described button and the decoder.
Show for the ease of the passage that button is selected, between described button and decoder, also be provided with counter, on this counter, also be connected with charactron.
In order to satisfy the demand, described counter is connected between single-shot trigger circuit and the decoder.
In order to satisfy the demand better, described counter is 8 system counters.
In order to realize the utility model better, described decoder is three or eight decoders.
In order to ensure effect, described button comprises the selection key of selecting communication passage, the reset key that returns back to default passage, and described selection key all is connected with single-shot trigger circuit with reset key.
The utility model is compared than prior art, has the following advantages and beneficial effect:
(1) TV infrared remote-controlled signal switching device shifter of the present utility model comprises the infrared signal receiving processing module that receives infrared remote-controlled signal, be electrically connected and can select the passage switching controls module of infrared remote-controlled signal output channel with this infrared signal receiving processing module, and the infrared signal transmitter module that is electrically connected and sends to television set infrared remote-controlled signal with this passage switching controls module, select the passage of emission infrared remote-controlled signal during use by passage switching controls module, the infrared remote-controlled signal that remote controller sends then only transmits by selected passage, therefore a remote controller selected television set of remote control only, all the other not selected television sets can not receive this remote signal, thereby when RTV remote television the interference accident will take place no longer.
(2) passage switching controls module of the present utility model comprises the channel connection module that connects one to one and all be connected with the infrared signal receiving processing module with described infrared signal transmitter module, described infrared signal transmitter module is corresponding one by one with television set during use, then the channel connection module is also corresponding one by one with television set, therefore can select by the television set of remote control by this channel connection module, thereby make remote signal only send to selected television set by selected passage, can prevent that remote control from wherein disturbing the normal play of all the other TVs during a TV.
(3) the utility model passage switching controls module also comprises the single-shot trigger circuit that is arranged between described button and the decoder, can disappear to the channel selecting signal of button input by this single-shot trigger circuit and to tremble, therefore can improve the stability of the channel selecting signal of button input.
(4) also be provided with counter between button of the present utility model and the decoder, on this counter, also be connected with charactron, the passage of selected transmission infrared remote-controlled signal can be shown by this charactron, the television set that is about to selected reception remote signal shows, so that testing crew is with the follow-up works such as the corresponding laggard line data analyzing and processing with test data of television set of test.
(5) counter of the present utility model is 8 system counters, conveniently selected passage is shown at charactron, can judge the service aisle that switching device shifter is current intuitively by the numeral that charactron shows.
(6) button of the present utility model comprises selection key and reset key, can select the passage of remote signal transmission during use by selection key, then can make the passage of signal transmission return back to default passage by reset key, therefore conveniently carries out channel selecting.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the overall structure schematic diagram of passage switching controls module of the present utility model.
Operation principle structural representation when Fig. 3 uses for the utility model.
Embodiment
Be described in further detail below in conjunction with the utility model of embodiment:
Embodiment
Shown in Fig. 1~3, TV infrared remote-controlled signal switching device shifter of the present utility model comprises the infrared signal receiving processing module, and the RTV remote television that this infrared signal receiver module sends for the reception remote controller is searched platform, changed the infrared signal of control commands such as channel.For the ease of test, make wherein television set of each remote control of remote controller, and prevent that other television sets from receiving the normal play of interfering TV machine after this remote signal, also is connected with passage switching controls module, as shown in Figure 1 on described infrared signal receiving processing module.
As shown in Figure 2, described passage switching controls module comprises the channel connection module that is connected with the infrared signal receiving processing module, this channel connection module is corresponding one by one with television set, i.e. corresponding television set of channel connection module, and all channel connection modules all are connected with the infrared signal receiving processing module so that the infrared remote-controlled signal that remote controller is sent be sent to television set by the channel connection module after remote-controlled television set make corresponding action.Described channel connection module comprises interconnective relay and drive circuit, and described infrared signal receiving processing module then is connected with relay.
Be sent to television set for the ease of the remote signal that remote controller is sent by the channel connection module, on described passage switching controls module, also be connected with the infrared signal transmitter module.Described infrared signal transmitter module between television set and channel connection module and corresponding one by one with television set, i.e. a corresponding infrared signal transmitter module of channel connection module and a television set.Described infrared signal transmitter module comprises the infrared signal modulating tube that is connected with drive circuit, and the infrared signal transmitting tube that is connected with this infrared signal modulating tube.Described infrared signal transmitting tube and television set corresponding setting one by one, infrared signal transmitting tube of the present utility model is arranged on the infrared signal receive window place of television set.
Infrared remote-controlled signal of the present utility model sends by remote controller, described infrared signal receiving processing module is handled after receiving the infrared remote-controlled signal that remote controller sends, and the infrared remote-controlled signal after will handling then is sent to the relay of one of them channel connection module.Relay receives the infrared signal modulating tube that then this infrared remote-controlled signal is sent to the infrared signal transmitter module of corresponding connection with this drive circuit behind the infrared remote-controlled signal by drive circuit, this infrared signal modulating tube is sent to television set with infrared control signal by the infrared signal transmitting tube then, thereby television set is carried out remote control.
A television set receives infrared remote-controlled signal for the ease of selecting wherein, namely selects wherein channel transfer remote signal, and described passage switching controls module also comprises button, shown in Fig. 2,3.Described button then comprises the selection key of selecting signal transmission passage, and makes infrared remote-controlled signal return back to the reset key that default passage transmits.In the present embodiment television set is carried out label, simultaneously, infrared signal transmitter module and channel connection module and television set are indicated accordingly.As shown in Figure 3, present embodiment is default passage with No. 0 path setting, and then relay 0, the drive circuit that is connected with this relay 0, infrared signal transmitter module 0 are formed No. 0 passage, and this No. 0 passage is the corresponding television set that is denoted as No. 0 then.Accordingly, No. 1 passage is the corresponding television set that is denoted as No. 1 then, and No. 2 passages are the corresponding television set that is denoted as No. 2 then, and the like.During use, when needing selection other passages except default passage to carry out the transmission of infrared remote-controlled signal, then press the corresponding number of times of selection key, as select No. 1 television set of No. 1 passage remote control, then press selection key once; As select No. 2 television sets of No. 2 passage remote controls, then press selection key twice; By that analogy.If the reset key of pressing, then the utility model will be returned to No. 0 default passage and carry out the transmission of infrared remote-controlled signal, thereby infrared remote-controlled signal is transferred to television set No. 0.
The signal that can identify for the ease of the relay that push button signalling is converted to the channel connection module, on described relay, also be provided with decoder, described decoder is three or eight decoders, is sent to corresponding channel connection module again after described push button signalling is deciphered by decoder.Disappear for the ease of the channel selecting signal to button input and to tremble, so that improve the stability of the channel selecting signal of button input, also be connected with monostable and go out Power Generation Road on described button, described selection key and reset key all go out Power Generation Road with this monostable and are connected.For the ease of selected communication passage is shown, be about to receive remote signal and shown by the television set of remote control numbering, so that testing crew goes out the follow-up works such as the corresponding laggard line data analyzing and processing with test data of television set of test also to be provided with counter between Power Generation Road and the decoder in described monostable.Described counter is 8 system counters, simultaneously, also is connected with charactron on this counter, and selecteed passage will show by this charactron.If select passage No. 1, then will be shown as " 1 " on the charactron, corresponding will be that No. 1 television set is carried out remote control, namely No. 1 television set be carried out test operation.Accordingly, select No. 2 passages then will be shown as " 2 " on the charactron.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.

Claims (10)

1. TV infrared remote-controlled signal switching device shifter is characterized in that: comprise the infrared signal receiving processing module that receives infrared remote-controlled signal, be connected with this infrared signal receiving processing module and can select the passage switching controls module of infrared remote-controlled signal output channel and be connected with this passage switching controls module and send the infrared signal transmitter module of infrared remote-controlled signal to television set.
2. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 1, it is characterized in that: described infrared signal transmitter module comprises the infrared signal modulating tube that is connected with passage switching controls module and is connected the infrared signal transmitting tube that this infrared signal modulating tube is connected.
3. according to claim 1 or 2 described a kind of TV infrared remote-controlled signal switching device shifters, it is characterized in that: described passage switching controls module comprises the channel connection module that connects one to one and all be connected with the infrared signal receiving processing module with described infrared signal transmitter module, input channel is selected the button of signal, the decoder that is sent to the channel connection module after push button signalling is deciphered and all is connected with button and channel connection module.
4. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 3, it is characterized in that: described channel connection module comprises the relay that all is connected with infrared signal receiving processing module and decoder, all the drive circuit that is connected with this relay and infrared signal sending module.
5. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 4, it is characterized in that: described passage switching controls module also comprises the single-shot trigger circuit that is arranged between described button and the decoder.
6. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 5, it is characterized in that: between described button and decoder, also be provided with counter, on this counter, also be connected with charactron.
7. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 6, it is characterized in that: described counter is connected between single-shot trigger circuit and the decoder.
8. according to claim 6 or 7 described a kind of TV infrared remote-controlled signal switching device shifters, it is characterized in that: described counter is 8 system counters.
9. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 8, it is characterized in that: described decoder is three or eight decoders.
10. according to the described a kind of TV infrared remote-controlled signal switching device shifter of claim 9, it is characterized in that: described button comprises the selection key of selecting communication passage, the reset key that returns back to default passage, and described selection key all is connected with single-shot trigger circuit with reset key.
CN 201320205654 2013-04-22 2013-04-22 Television infrared remote-control signal switching device Active CN203219448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320205654 CN203219448U (en) 2013-04-22 2013-04-22 Television infrared remote-control signal switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320205654 CN203219448U (en) 2013-04-22 2013-04-22 Television infrared remote-control signal switching device

Publications (1)

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CN203219448U true CN203219448U (en) 2013-09-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107911695A (en) * 2017-12-22 2018-04-13 深圳Tcl新技术有限公司 Infrared remote control test method, information transformation device and computer-readable recording medium
CN108259961A (en) * 2018-04-20 2018-07-06 四川长虹网络科技有限责任公司 The discrete control method of infrared terminal and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107911695A (en) * 2017-12-22 2018-04-13 深圳Tcl新技术有限公司 Infrared remote control test method, information transformation device and computer-readable recording medium
CN108259961A (en) * 2018-04-20 2018-07-06 四川长虹网络科技有限责任公司 The discrete control method of infrared terminal and system

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