CN205961346U - Extension infrared remote control circuit - Google Patents
Extension infrared remote control circuit Download PDFInfo
- Publication number
- CN205961346U CN205961346U CN201620887076.5U CN201620887076U CN205961346U CN 205961346 U CN205961346 U CN 205961346U CN 201620887076 U CN201620887076 U CN 201620887076U CN 205961346 U CN205961346 U CN 205961346U
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- pin
- infrared remote
- interface
- remote control
- extension
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Abstract
The utility model discloses an extension infrared remote control circuit, including infrared remote control receiving module and remote control switching circuit, the remote control switching circuit includes first interface, infrared remote control receiving module includes the second interface, first interface is equipped with third pin and the 5th pin, when first interface does not insert the second interface, the third pin with the 5th pin intercommunication, the 5th pin passes through the non - infrared remote signal of received the third pin transmits to MCU, when first interface inserts the second interface, the third pin with the disconnection intercommunication of the 5th pin, just infrared remote control receiving module received infrared remote signal passes through the third pin transmits to MCU. Through the utility model discloses can realize being equipped with equipment and other external equipment of extension infrared remote control circuit share through infrared study, realization remote controller, and daily use operation is simplified to reduction remote controller kind.
Description
Technical field
This utility model belongs to telecontrol engineering field, a kind of equipment in non-infrared remote control of specific design extends infrared distant
Control circuit.
Background technology
With the development of DTV, DTV gets more and more, but the nonnumeric TV of early stage also has certain market
Occupation rate, for realizing DTV, terminal use or the telecom operation chamber of commerce increase a top box of digital machine to realize DTV
Function.
Referring to Fig. 1, nonnumeric TV remote and top box of digital machine remote control are typically all infrared control, nonnumeric TV remote
Can mutually learn with the IR remote controller of the top box of digital machine of family, read the code value of set-top box remote controller, reach shared one
Individual remote control, simplifies the operation of remote control, reduces family remote control species.
But the development with 2.4G wireless technology, the distance of 2.4G transmission is farther, and angle is wider, and sensitivity is higher, adopts
The TV of 2.4G wireless remote control gets more and more, but 2.4G remote control can not share remote control with outside portions of setting such as Set Top Boxes, if
Realize this function it is necessary to increase infrared switching circuit, it is more complicated to increase this switching circuit on whole machine, software and hardware is changed relatively
Greatly.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of extension infrared remote controller, it is possible to achieve be provided with institute
State the equipment of extension infrared remote controller and other external equipments pass through infrared learning, realize remote control and share, reduce remote control
Species, simplifies routine use operation.
For solving the above problems, this utility model provides a kind of extension infrared remote controller, receives mould including infrared remote control
Block and remote control switching circuit；Described remote control switching circuit includes first interface；Described infrared remote control receiver module includes second and connects
Mouthful；Described second interface is accessed by described first interface and connects thus realizing described remote control switching circuit and accessing described infrared remote control
Receive module；
Described first interface is provided with the 3rd pin and the 5th pin；
When described first interface does not access described second interface, described 3rd pin connects with described 5th pin, described
5th pin is used for receiving non-infrared remote-controlled signal, and described 3rd pin transmits described non-infrared remote-controlled signal to MCU；
When described first interface accesses described second interface, described second interface disconnects described 3rd pin and the described 5th
The connection of pin, and the infrared remote-controlled signal that receives of described infrared remote control receiver module by described 3rd pin transmit to
MCU.
Compared with prior art, a kind of extension infrared remote controller that this utility model provides, by non-infrared remote control
First interface is increased on the equipment of signal as infrared interface, using the pin detecting of first interface, connect when accessing infrared remote control
When receiving module, realize the switching from non-infrared remote control to infrared remote control.The infrared switching circuit of complexity need not be increased on equipment
And the larger change to equipment software and hardware, you can with realize be provided with described extension infrared remote controller equipment with other outside
Equipment passes through infrared learning, realizes remote control and shares, reduces remote control species, simplifies routine use operation.
Further, described non-infrared remote-controlled signal is 2.4G remote signal.
Preferably, described first interface is receiver J-Horner；Described second interface is headset plug.
As of the present utility model preferably, dexterously make use of the pin of receiver J-Horner to the headset plug that is provided with accessing
Infrared remote control receiving device is detected, and realizes the switching from non-infrared remote control to infrared remote control, and method is simple, and equipment is changed
Dynamic little.
Preferably, described 5th pin is provided with metal clips, when described first interface does not access described second interface, leads to
Cross described metal clips and contact described 3rd pin thus realizing connecting of described 5th pin and described 3rd pin；When described
When first interface accesses described second interface, described second interface promotes described metal clips to flick from described 3rd pin.
As of the present utility model preferably, the 5th pin is provided with metal clips, and the 5th pin is contacted by metal clips
3rd pin realizes the connection of the 3rd pin and the 5th pin, and non-infrared control signal is drawn by the 3rd after the 5th pin receives
Foot is sent to MCU, and when first interface accesses second interface, second interface promotes metal clips to flick from the 3rd pin, infrared
The infrared remote-controlled signal that remote control reception module receives is sent to MCU by the 3rd pin, be can achieve from non-by this design
Infrared remote control is switched to infrared remote control, and structure is simple, easily realizes.
Further, described extension infrared remote controller also includes current rectifying and wave filtering circuit and pull-up circuit；Described 3rd draws
Foot passes through to connect described current rectifying and wave filtering circuit and described pull-up circuit thus realizing the connection with described MCU.
Further, described current rectifying and wave filtering circuit includes filter capacitor and commutation diode；Wherein
One end of described filter capacitor is connected with described 3rd pin, the other end ground connection of described filter capacitor；
The negative pole of described commutation diode is connected with described 3rd pin, the plus earth of described commutation diode.
Further, described pull-up circuit also includes pull-up resistor, divider resistance and standby power；
One end of described pull-up resistor is connected with described 3rd pin, and the other end of described pull-up resistor treats electromechanics with described
Source connects；
One end of described divider resistance is connected with described 3rd pin, and the other end of described divider resistance is with described MCU even
Connect.
Further, described first interface also includes the first pin and the 4th pin；Wherein, described first pin ground connection,
Described 4th pin connects DC source.
Further, when described first interface accesses described second interface, described 4th pin is connect with described infrared remote control
The feeder ear receiving module connects.
Further, described first interface is additionally provided with second pin and the 6th pin, described second pin and the described 6th
Pin is the unsettled pin.
Brief description
Fig. 1 is to adopt the nonnumeric TV of infrared remote control and the block diagram of top box of digital machine independent remote controllers in prior art；
Fig. 2 is a kind of module diagram of the embodiment of this utility model extension infrared remote control；
Fig. 3 be this utility model a kind of extension infrared remote control embodiment be sequentially connected remote control switching circuit, filtering whole
Current circuit and the circuit structure diagram of pull-up circuit；
Fig. 4 is the nonnumeric TV sum that a kind of embodiment of infrared remote control of this utility model applies to using 2.4G remote control
Word machine top box shares the block diagram of remote control.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 2, embodiment of the present utility model provides a kind of extension infrared remote controller, and the present embodiment includes remote control and cuts
Change circuit 1 and infrared remote control receiver module 2；This infrared remote control receiver module is used for receiving infrared remote-controlled signal, and carrier frequency is
38kHz.
Remote control switching circuit 1 includes receiver J-Horner 11；Infrared remote control receiver module 2 includes headset plug 21；By earphone
Socket 11 accesses headset plug 21 thus realizing remote control switching circuit 1 to access infrared remote control receiver module 2.
Referring to Fig. 3, receiver J-Horner 11 is provided with the first pin 101, second pin 102, the 3rd pin 103, the 4th pin
104th, the 5th pin 105 and the 6th pin 106；Wherein, the first pin 101 is grounded；Second pin 102 and the 6th pin 106 hang
Empty；4th pin 104 is connected with DC power supply terminal；5th pin 105 is provided with metal clips.
When receiver J-Horner 11 does not access headset plug 21, metal clips and the 3rd pin 103 that the 5th pin 105 is provided with
Contact with each other, now the 5th pin 105 is realized connecting with the 3rd pin 103；5th pin 105 is used for receiving non-infrared remote control letter
Number, the non-infrared remote-controlled signal that the 5th pin 105 receives is transmitted to MCU by the 3rd pin 103.
When receiver J-Horner 11 accesses headset plug 21, headset plug 21 promotes the metal elastic that the 5th pin 105 is provided with
Piece flicks from the 3rd pin 103, and that is, headset plug 21 disconnects connecting of the 3rd pin 103 and the 5th pin 105；Now only red
The infrared remote-controlled signal that outer remote control reception module 2 receives is transmitted to MCU by the 3rd pin 103；
4th pin 104 is connected with the feeder ear of the infrared remote control receiver module 2 accessing.
Referring to Fig. 2, extend infrared remote controller 1 and also include current rectifying and wave filtering circuit 3 and pull-up circuit 4；3rd pin 103 leads to
Cross and be sequentially connected current rectifying and wave filtering circuit 3 and pull-up circuit 4 thus realizing the connection with MCU.
Referring to Fig. 3, current rectifying and wave filtering circuit 3 includes filter capacitor CK6 and commutation diode DK9；Wherein
One end of filter capacitor CK6 is connected with the 3rd pin 103, the other end ground connection of filter capacitor CK6；
The negative pole of commutation diode DK9 is connected with the 3rd pin 103, the plus earth of commutation diode DK9.
Specifically, pull-up circuit 4 also includes pull-up resistor RK18, divider resistance RK19 and standby power STB；
One end of pull-up resistor RK18 is connected with the 3rd pin 103, the other end of pull-up resistor RK18 and standby power STB
Connect；
One end of divider resistance RK19 is connected with the 3rd pin 103, and the other end of divider resistance RK19 is connected with MCU.
When being embodied as, when receiver J-Horner 11 does not access headset plug 21, that is, remote control switching circuit 1 does not access infrared remote control
During receiver module 2, the metal clips that the 5th pin 105 is provided with passes through contact the 3rd pin 103 and realizes the 3rd pin 103 and the 5th
The connection of pin 105, the non-infrared remote-controlled signal receiving is passed through the 3rd pin 103 by the 5th pin, by the 3rd pin 103
Non- infrared remote-controlled signal transmit to MCU after rectification circuit 3 and pull-up circuit 4 are processed after filtering.
When receiver J-Horner 11 accesses headset plug 21, and that is, remote control switching circuit 1 accesses infrared remote control receiver module 2, by
In the intervention of headset plug 21, the metal clips that the 5th pin 105 is provided with is promoted to flick from the 3rd pin 103, the 3rd pin 103
It is disconnected with the 5th connecting of pin 105；The infrared remote-controlled signal that receives of infrared remote control receiver module 2 is now only had to pass through the
Three pins 103；Transmit after through the infrared remote-controlled signal of the 3rd pin 103, rectification circuit 3 and pull-up circuit 4 are processed after filtering
To MCU.
Referring to Fig. 4, Fig. 4 the present embodiment is applicable for use with the nonnumeric TV of 2.4G wireless remote control, wireless using 2.4G
The extension infrared remote controller of the present embodiment offer is set up on the nonnumeric TV of remote control.When the access of remote control switching circuit is infrared distant
During control receiver module, the remote control mode using the nonnumeric TV of 2.4G wireless remote control switches to infrared remote control, can pass through distant
The learning functionality of control device, the IR remote controller using Set Top Box or other housed devices is controlled to this TV, thus subtracting
Lack the species of remote control, simplify regular job.
Additionally, in a kind of embodiment of this utility model extension infrared remote controller, only need to be non-using 2.4G remote control
DTV dexterously increases a receiver J-Horner 11 and infrared remote control receiver module 2, and the pin of receiver J-Horner 11 is to access
Infrared remote control receiver module 2 is detected, and headset plug 21 promotes the 3rd pin 103 originally connecting and the 5th pin 105 to break
Open connection, be that the 3rd pin 103 is converted into conveying infrared remote-controlled signal from conveying 2.4G remote signal；Realize from non-infrared remote control
To the switching of infrared remote control, method is simply it is not necessary to increase complicated switching circuit and modification software in television internal, you can reach
The function of sharing to remote control study.
In addition, can realize whether terminal client unrestricted choice is multiplexed nonnumeric TV by the form of implementation of earphone interface
With the remote control of Set Top Box, concrete operations are：It is multiplexed the remote control of nonnumeric TV and Set Top Box, then pass through remote control switching circuit
The receiver J-Horner 11 that 1 is provided with inserts the headset plug 21 that infrared remote control receiver module 2 is provided with；Be not multiplexed nonnumeric TV and
The remote control of Set Top Box, then receiver J-Horner 11 do not access headset plug 21.Simple operation is simple, lifts Consumer's Experience.
In the present embodiment, remote control switching circuit 1 accesses infrared remote control receiver module 2 is to access ear by receiver J-Horner 11
The machine transplanting of rice 21 is realized, and in addition, remote control switching circuit 1 is accessed infrared remote control receiver module and can also be connect by other kinds of
Remote control mode switching in the existing the present embodiment of cause for gossip, thus reaching the embodiment of the purpose of the present embodiment, also new in this practicality
The protection domain of type.
The above is preferred implementation of the present utility model it is noted that ordinary skill for the art
For personnel, on the premise of without departing from this utility model principle, some improvement can also be made and deform, these improve and become
Shape is also considered as protection domain of the present utility model.
Claims (10)
1. a kind of extension infrared remote controller receives mould it is characterised in that described extension infrared remote controller includes infrared remote control
Block and remote control switching circuit；Described remote control switching circuit includes first interface；Described infrared remote control receiver module includes second and connects
Mouthful；Described second interface is accessed by described first interface and connects thus realizing described remote control switching circuit and accessing described infrared remote control
Receive module；
Described first interface is provided with the 3rd pin and the 5th pin；
When described first interface does not access described second interface, described 3rd pin connects with described 5th pin, and the described 5th
Pin is used for receiving non-infrared remote-controlled signal, and described 3rd pin transmits described non-infrared remote-controlled signal to MCU；
When described first interface accesses described second interface, described second interface disconnects described 3rd pin and described 5th pin
Connection, and the infrared remote-controlled signal that described infrared remote control receiver module receives transmitted to MCU by described 3rd pin.
2. extension infrared remote controller as claimed in claim 1 is it is characterised in that described non-infrared remote-controlled signal is that 2.4G is distant
Control signal.
3. extension infrared remote controller as claimed in claim 1 is it is characterised in that described first interface is receiver J-Horner；Institute
Stating second interface is headset plug.
4. as claimed in claim 1 extension infrared remote controller it is characterised in that described 5th pin is provided with metal clips,
When described first interface does not access described second interface, described 3rd pin is contacted thus realizing institute by described metal clips
State connecting of the 5th pin and described 3rd pin；When described first interface accesses described second interface, described second interface
Described metal clips is promoted to flick from described 3rd pin.
5. extension infrared remote controller as claimed in claim 1 is it is characterised in that described extension infrared remote controller also wraps
Include current rectifying and wave filtering circuit and pull-up circuit；Described 3rd pin pass through to connect described current rectifying and wave filtering circuit and described pull-up circuit from
And realize the connection with described MCU.
6. extension infrared remote controller as claimed in claim 5 is it is characterised in that described current rectifying and wave filtering circuit includes filtered electrical
Hold and commutation diode；Wherein
One end of described filter capacitor is connected with described 3rd pin, the other end ground connection of described filter capacitor；
The negative pole of described commutation diode is connected with described 3rd pin, the plus earth of described commutation diode.
7. extension infrared remote controller as claimed in claim 5 is it is characterised in that described pull-up circuit also includes pull-up electricity
Resistance, divider resistance and standby power；
One end of described pull-up resistor is connected with described 3rd pin, and the other end of described pull-up resistor is with described standby power even
Connect；
One end of described divider resistance is connected with described 3rd pin, and the other end of described divider resistance is connected with described MCU.
8. extension infrared remote controller as claimed in claim 1 is it is characterised in that described first interface also includes the first pin
With the 4th pin；Wherein, described first pin ground connection, described 4th pin connects DC source.
9. extension infrared remote controller as claimed in claim 8 accesses described second it is characterised in that working as described first interface
Interface, described 4th pin is connected with the feeder ear of described infrared remote control receiver module.
10. extension infrared remote controller as claimed in claim 1 is it is characterised in that described first interface is additionally provided with second draws
Foot and the 6th pin, described second pin and described 6th pin are the unsettled pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620887076.5U CN205961346U (en) | 2016-08-16 | 2016-08-16 | Extension infrared remote control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620887076.5U CN205961346U (en) | 2016-08-16 | 2016-08-16 | Extension infrared remote control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961346U true CN205961346U (en) | 2017-02-15 |
Family
ID=57975766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620887076.5U Active CN205961346U (en) | 2016-08-16 | 2016-08-16 | Extension infrared remote control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961346U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526005A (en) * | 2018-11-30 | 2019-03-26 | 苏州数言信息技术有限公司 | A kind of Radio Network System and communication means |
| CN112581743A (en) * | 2020-12-02 | 2021-03-30 | 广州朗国电子科技有限公司 | Infrared remote control cascade circuit |
| WO2022078037A1 (en) * | 2020-10-16 | 2022-04-21 | 海信视像科技股份有限公司 | Control circuit, receiving apparatus, and control method |
-
2016
- 2016-08-16 CN CN201620887076.5U patent/CN205961346U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526005A (en) * | 2018-11-30 | 2019-03-26 | 苏州数言信息技术有限公司 | A kind of Radio Network System and communication means |
| CN109526005B (en) * | 2018-11-30 | 2022-05-03 | 苏州数言信息技术有限公司 | Wireless network system and communication method |
| WO2022078037A1 (en) * | 2020-10-16 | 2022-04-21 | 海信视像科技股份有限公司 | Control circuit, receiving apparatus, and control method |
| CN114642001A (en) * | 2020-10-16 | 2022-06-17 | 海信视像科技股份有限公司 | Control circuit, receiving device and control method |
| CN112581743A (en) * | 2020-12-02 | 2021-03-30 | 广州朗国电子科技有限公司 | Infrared remote control cascade circuit |
| CN112581743B (en) * | 2020-12-02 | 2022-03-08 | 广州朗国电子科技股份有限公司 | Infrared remote control cascade circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |