CN220232561U - Wireless live infrared remote controller - Google Patents
Wireless live infrared remote controller Download PDFInfo
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- CN220232561U CN220232561U CN202223032489.XU CN202223032489U CN220232561U CN 220232561 U CN220232561 U CN 220232561U CN 202223032489 U CN202223032489 U CN 202223032489U CN 220232561 U CN220232561 U CN 220232561U
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- 102100024370 Integrator complex subunit 11 Human genes 0.000 description 1
- 101710149806 Integrator complex subunit 11 Proteins 0.000 description 1
- 101100446506 Mus musculus Fgf3 gene Proteins 0.000 description 1
- 101100215777 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ain1 gene Proteins 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses a wireless live infrared remote controller which is used for carrying out infrared remote control on an emitter and comprises a shell, wherein a key panel is arranged on the surface of the shell, a circuit board is arranged in the shell, a power supply circuit, a control circuit, a key circuit and a battery seat for placing a battery are integrated on the circuit board, the power supply circuit converts battery voltage output by the battery seat into a system power supply to supply power for the control circuit, the key circuit outputs a corresponding key signal to the control circuit according to key operation on the key panel, and the control circuit carries out infrared coding according to the key signal and emits corresponding infrared light to carry out infrared remote control on the emitter. The remote infrared remote control device has the advantages that the key operation of the existing transmitter is improved to be remote infrared remote control operation, the control of the transmitter is not affected by distance and limited by direct broadcast, and the portable mobile phone sound card can not be pulled, so that the problem that the operation is inconvenient due to the fact that the function keys are arranged on the surface of the shell of the existing transmitter is solved.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to an infrared remote controller for wireless live broadcast.
Background
The transmitter in the existing live broadcast system is used for transmitting the audio of the mobile phone end to the monitoring earphone. The transmitter is controlled in a wired mode in the early stage, so that the using distance is limited, and the transmitter is inconvenient to use. With the development of technology, the later stage is changed into wireless control, and a plurality of function keys are arranged on the surface of a shell of the transmitter to perform corresponding key operation. Since the transmitter needs to be connected to the portable phone sound card when in use, the connection line between the two is usually short. If the function keys on the transmitter are to be operated, the transmitter needs to be held by hand, and the operation of the keys is inconvenient and the live broadcast effect is affected during live broadcast; meanwhile, the portable mobile phone sound card can be pulled when the transmitter is taken, and the connection can be loosened by pulling for many times, so that the control effect is affected.
Disclosure of Invention
Aiming at the technical problems, the embodiment of the utility model provides a wireless live infrared remote controller to solve the problem of inconvenient operation caused by the arrangement of function keys on the surface of a shell of the existing transmitter.
The wireless live infrared remote controller is used for carrying out infrared remote control on a transmitter and comprises a shell, wherein a key panel is arranged on the surface of the shell, a circuit board is arranged in the shell, and a power supply circuit, a control circuit, a key circuit and a battery seat for placing a battery are integrated on the circuit board; the power supply circuit is connected with the battery seat and the control circuit, and the control circuit is connected with the key circuit;
the power supply circuit converts the battery voltage output by the battery seat into a system power supply to supply power to the control circuit; the key circuit outputs corresponding key signals to the control circuit according to key operation on the key panel; the control circuit carries out infrared coding according to the key signals and emits corresponding infrared light to infrared remote control the emitter.
In the wireless live infrared remote controller, the power supply circuit comprises a voltage reduction chip, a first capacitor and a second capacitor;
the VIN pin of the voltage reduction chip is connected with one end of the first capacitor, the power pin of the battery seat and the CE pin of the voltage reduction chip; the VOUT pin of the buck chip is a power supply end and is connected with one end of the second capacitor; the other end of the first capacitor, the ground pin of the battery seat, the VSS pin of the voltage reduction chip and the other end of the second capacitor are all grounded.
In the wireless live infrared remote controller, the control circuit comprises a singlechip, an infrared luminous tube and a first resistor;
the 1 st, 2 nd, 3 rd, 5 th, 12 th, 13 th, 14 th, 15 th, 16 th, 17 th and 19 th pins of the singlechip are all connected with a key circuit; the 9 th pin of singlechip is connected the power supply end, and the 7 th pin of singlechip is grounded, and the 20 th pin of singlechip passes through the negative pole of first resistance connection infrared luminotron, and the power supply end is connected to the anodal of infrared luminotron.
In the wireless live infrared remote controller, the control circuit further comprises a second resistor and an indicator lamp; the 4 th pin of singlechip passes through the negative pole of second resistance connection pilot lamp, and the power supply end is connected to the anodal of pilot lamp.
In the wireless live infrared remote controller, the control circuit further comprises a third capacitor, and the third capacitor is connected between the 9 th pin and the 7 th pin of the singlechip.
In the wireless live infrared remote controller, the key circuit comprises a first key, a second key, a third key, a fourth key, a fifth key, a sixth key, a seventh key, an eighth key, a ninth key and a tenth key;
one end of the first key, one end of the second key, one end of the third key, one end of the fourth key, one end of the fifth key, one end of the sixth key, one end of the seventh key, one end of the eighth key, one end of the ninth key and one end of the tenth key are in one-to-one connection with a 12 th pin, a 13 th pin, a 14 th pin, a 15 th pin, a 16 th pin, a 17 th pin, a 19 th pin, a 1 st pin, a 2 nd pin, a 3 rd pin and a 5 th pin of the singlechip; the other ends of the first key to the tenth key are grounded.
In the wireless live infrared remote controller, the first key to the sixth key are correspondingly set to be 1 to 6 in number and are used for selecting one-way/two-way functions of 6 devices; the seventh key and the eighth key are correspondingly set as volume up keys and volume down keys, the ninth key is set as a pairing key, and the tenth key is set as a clearing key.
In the wireless direct-broadcast infrared remote controller, the surface of the key panel is covered with a key film, the key film is provided with film convex cavities matched with the positions and the shapes of the keys, and the key caps of the keys are correspondingly positioned in one film convex cavity.
According to the technical scheme provided by the embodiment of the utility model, the infrared remote controller special for wireless live broadcast comprises a shell, a key panel is arranged on the surface of the shell, a circuit board is arranged in the shell, a power supply circuit, a control circuit, a key circuit and a battery seat for placing a battery are integrated on the circuit board, the power supply circuit converts the battery voltage output by the battery seat into a system power supply to supply power for the control circuit, the key circuit outputs a corresponding key signal to the control circuit according to key operation on the key panel, and the control circuit carries out infrared coding according to the key signal and emits corresponding infrared light to infrared remote control the transmitter. The remote infrared remote control device has the advantages that the key operation of the existing transmitter is improved to be remote infrared remote control operation, the control of the transmitter is not affected by distance and limited by direct broadcast, and the portable mobile phone sound card can not be pulled, so that the problem that the operation is inconvenient due to the fact that the function keys are arranged on the surface of the shell of the existing transmitter is solved.
Drawings
Fig. 1 is a block diagram of an infrared remote controller according to an embodiment of the present utility model.
Fig. 2 is a circuit diagram of a power supply circuit and a battery holder in an embodiment of the utility model.
Fig. 3 is a circuit diagram of a control circuit according to an embodiment of the present utility model.
Fig. 4 is a circuit diagram of a key circuit according to an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.
Referring to fig. 1, an infrared remote controller for wireless live broadcast according to an embodiment of the present utility model is used in combination with a transmitter having an infrared receiver inside. When the function key on the infrared remote controller is pressed, corresponding infrared light is emitted, and the infrared receiving head in the transmitter responds to the corresponding key operation after receiving the infrared light, so that remote infrared control is realized. The remote infrared remote control device has the advantages that the key operation of the existing transmitter is improved to be remote infrared remote control operation, the control of the transmitter is not affected by distance and limited by direct broadcast, and the portable mobile phone sound card can not be pulled, so that the problem that the operation is inconvenient due to the fact that the function keys are arranged on the surface of the shell of the existing transmitter is solved.
The wireless live infrared remote controller comprises a shell, a key panel is arranged on the surface of the shell, a circuit board is arranged in the shell, a power supply circuit 10, a control circuit 20, a key circuit 30 and a battery holder J1 for placing a battery are integrated on the circuit board, the power supply circuit 10 is connected with the battery holder J1 and the control circuit 20, and the control circuit 20 is connected with the key circuit 30. The power supply circuit 10 converts the battery voltage output by the battery holder into a system power supply to supply power to the control circuit, the key circuit 30 outputs a corresponding key signal to the control circuit 20 according to the key operation on the key panel, and the control circuit 20 performs infrared coding according to the key signal and emits corresponding infrared light to infrared remote control the transmitter.
It should be understood that the casing of the infrared remote controller may be a rectangular parallelepiped; the battery seat J1 is a common battery groove in the existing remote controller, and the battery can output the battery voltage after being put in; a plurality of key holes are formed in the key panel, and key caps of all keys in the key circuit 30 are exposed from the key holes; this is prior art and will not be described in detail here. The embodiment mainly provides a corresponding hardware circuit for infrared remote control of a transmitter in a live broadcast system.
Referring to fig. 2, the power supply circuit 10 includes a buck chip U1, a first capacitor C1 and a second capacitor C2; the VIN pin of the buck chip U1 is connected with one end of the first capacitor C1, the power pin (1 st pin in FIG. 2) of the battery holder J1 and the CE pin of the buck chip U1; the VOUT pin of the buck chip U1 is a power supply end and is connected with one end of the second capacitor C2; the other end of the first capacitor C1, the ground pin (pin 2 in fig. 2) of the battery holder J1, the VSS pin of the buck chip U1, and the other end of the second capacitor C2 are all grounded.
Wherein, a battery is placed in the battery holder J1, and a voltage reduction chip U1 (model is preferably KF8169-3V 3) reduces the battery voltage to a system power supply MCUVDD of 3.3V, and outputs the system power supply MCUVDD to the control circuit 20 for supplying power.
Referring to fig. 3, the control circuit 20 includes a single chip microcomputer U2, an infrared light emitting tube D1, and a first resistor R1; the singlechip U2 has a 1 st pin (AIN 4/PWM2A/T2EX/INT14/P1.4 pin), a 2 nd pin (AIN 5/TX0/INT15/P1.5 pin), a 3 rd pin (AIN 6/RX0/INT16/P1.6 pin), a 5 th pin (OSCI/INTO 0/P0.0 pin), a 12 th pin (P2.3/INT 23/SSCKA pin), a 13 th pin (P2.4/INT 24/PWM0 pin), a 14 th pin (P2.5/INT 25/PWM1/AIN0 pin), a 15 th pin (P2.6/INT 26/SSCK/PWM2 pin), a 16 th pin (P2.7/INT 27/SSTX/PWM3 pin), a 17 th pin (P1.0/INT 10/SSRX/PWM4 pin) and a 19 th pin (P1.2/INT 2/12/T0/PWM 2 pin) connected with the key 30; the 9 th pin (namely the VDD pin) of the singlechip U2 is connected with a power supply end, the 7 th pin (namely the VSS pin) of the singlechip U2 is grounded, the 20 th pin (namely the P1.3/INT13/T1/PWM6/AIN3 pin) of the singlechip U2 is connected with the negative electrode of the infrared luminous tube D1 through the first resistor R1, and the positive electrode of the infrared luminous tube D1 is connected with the power supply end.
The model of the singlechip U2 is preferably SC92F8003, which is configured to receive the key signals transmitted by the key circuit 30, and output corresponding infrared codes according to the key values paired by the key signals to control on/off of the infrared light emitting diode D1 (i.e., the infrared light emitting diode D1 emits infrared light when the DIN signal is at a low level, and the infrared light emitting diode D1 does not emit light when the DIN signal is at a high level (or suspended)), so that the corresponding codes can emit infrared light. An infrared receiving head in the transmitter receives infrared light and then responds to the corresponding key operation through analysis.
The first resistor R1 is used for limiting current to protect the infrared luminous tube D1, and the 8 th pin (namely TDIO/TX0A/P2.0 pin) and the 18 th pin (namely P1.1/INT11/T2/RXOA/AIN1/TCLK pin) of the singlechip U2 are program debugging interfaces of the singlechip.
Preferably, for the convenience of the user to understand the current working state, the control circuit 20 further includes a second resistor R2 and an indicator light D2; the 4 th pin (namely RST/P1.7 pin) of the singlechip U2 is connected with the negative electrode of the indicator lamp D2 through a second resistor R2, and the positive electrode of the indicator lamp D2 is connected with the power supply end.
The singlechip U2 controls the high and low level on the 4 th foot according to the current working state, and can control the indicator lamp D2 to be on, off or flash, thereby indicating the current working state. The corresponding relation between the on/off state and the working state of the indicator lamp D2 can be set according to the requirement, and is not limited herein.
Preferably, in order to make the operation of the single-chip microcomputer more stable, the control circuit 20 further includes a third capacitor C3, and the third capacitor C3 is connected between the 9 th pin (i.e. the VDD pin) and the 7 th pin (i.e. the VSS pin) of the single-chip microcomputer U2. The third capacitor C3 filters the input system power supply MCUVDD and supplies power to the singlechip, so that the singlechip works more stably.
The key circuit 30 includes a plurality of keys, the number and functions of the keys are set according to the requirement, and the key functions include device selection, volume control, pairing, cleaning and the like which need to be used in the live broadcast system. In this embodiment, referring to fig. 4, the key circuit 30 includes a first key S1, a second key S2, a third key S3, a fourth key S4, a fifth key S5, a sixth key S6, a seventh key S7, an eighth key S8, a ninth key S9, and a tenth key S10; one end of the first key S1, one end of the second key S2, one end of the third key S3, one end of the fourth key S4, one end of the fifth key S5, one end of the sixth key S6, one end of the seventh key S7, one end of the eighth key S8, one end of the ninth key S9, and one end of the tenth key S10 are connected with the 12 th, 13 th, 14 th, 15 th, 16 th, 17 th, 19 th, 1 st, 2 nd, 3 rd and 5 th pins of the singlechip U2 one to one; the other ends of the first to tenth keys S1 to S10 are grounded. One end of each key is the 3 rd pin and the 4 th pin shown in fig. 4, and the other end of each key is the 1 st pin and the 2 nd pin shown in fig. 4.
When each key is pressed, a low-level key signal (such as a first key signal K1, a second key signal K2, and so on, a tenth key signal K10) is output to the singlechip. When the singlechip detects that the corresponding key pin is triggered by low level, the corresponding infrared code is output from the 20 th pin of the singlechip to control the on and off of the infrared luminous tube D1. In this embodiment, the first key S1, the second key S2, the third key S3, the fourth key S4, the fifth key S5 and the sixth key S6 are respectively represented by numerals 1 to 6, and are used for selecting the unidirectional/bidirectional functions of the corresponding 6 devices. The seventh key S7 and the eighth key S8 are set as a volume up and volume down key, respectively, the ninth key S9 is set as a pairing key, and the tenth key S10 is set as a clear key.
Different from the key panel of each key bulge display in the prior art, in order to prevent water and avoid dirt from being embedded into gaps of each key, the surface of the key panel of the infrared remote controller is covered with a key film, a film bulge cavity (the bulge height is about 2mm, namely 2mm higher than the plane of the key film) matched with the position and the shape of each key is arranged on the key film, the key cap of each key is correspondingly positioned in one film bulge cavity, and each key name is silk-screened on the surface of the film bulge. The waterproof and antifouling protection is carried out through the integral coverage of the key film, the positions of all keys are indicated through the film bulges, the operation touch feeling of the pressed key is provided, and the user can conveniently confirm whether the key is pressed.
In summary, the wireless live infrared remote controller provided by the utility model is matched with a transmitter with an infrared receiving head inside. The control circuit carries out infrared coding according to the key signals and sends corresponding infrared light to infrared remote control transmitters, and an infrared receiving head in each transmitter responds to the corresponding key operation after receiving the infrared light, so that remote infrared control is realized. The remote infrared remote control of the infrared remote controller is improved to the key operation of the existing transmitter, the control of the transmitter is not affected by the distance and limited by direct broadcast, the portable mobile phone sound card can not be pulled, and the operation control of the transmitter is more convenient.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The wireless live infrared remote controller is used for carrying out infrared remote control on a transmitter and is characterized by comprising a shell, wherein the surface of the shell is provided with a key panel, the inside of the shell is provided with a circuit board, and a power supply circuit, a control circuit, a key circuit and a battery seat for placing a battery are integrated on the circuit board; the power supply circuit is connected with the battery seat and the control circuit, and the control circuit is connected with the key circuit;
the power supply circuit converts the battery voltage output by the battery seat into a system power supply to supply power to the control circuit; the key circuit outputs corresponding key signals to the control circuit according to key operation on the key panel; the control circuit carries out infrared coding according to the key signals and emits corresponding infrared light to infrared remote control the emitter.
2. The wireless live infrared remote control of claim 1, wherein the power supply circuit comprises a buck chip, a first capacitor and a second capacitor; the model of the depressurization chip is KF8169-3V3;
the VIN pin of the voltage reduction chip is connected with one end of the first capacitor, the power pin of the battery seat and the CE pin of the voltage reduction chip; the VOUT pin of the buck chip is a power supply end and is connected with one end of the second capacitor; the other end of the first capacitor, the ground pin of the battery seat, the VSS pin of the voltage reduction chip and the other end of the second capacitor are all grounded.
3. The wireless live infrared remote controller according to claim 2, wherein the control circuit comprises a single chip microcomputer, an infrared luminous tube and a first resistor; the model of the singlechip is SC92F8003;
the 1 st, 2 nd, 3 rd, 5 th, 12 th, 13 th, 14 th, 15 th, 16 th, 17 th and 19 th pins of the singlechip are all connected with a key circuit; the 9 th pin of singlechip is connected the power supply end, and the 7 th pin of singlechip is grounded, and the 20 th pin of singlechip passes through the negative pole of first resistance connection infrared luminotron, and the power supply end is connected to the anodal of infrared luminotron.
4. The wireless live infrared remote control of claim 3, wherein the control circuit further comprises a second resistor and an indicator light; the 4 th pin of singlechip passes through the negative pole of second resistance connection pilot lamp, and the power supply end is connected to the anodal of pilot lamp.
5. The wireless live infrared remote control of claim 3, wherein the control circuit further comprises a third capacitor connected between pin 9 and pin 7 of the single-chip microcomputer.
6. The wireless live infrared remote control of claim 3, wherein the key circuitry comprises a first key, a second key, a third key, a fourth key, a fifth key, a sixth key, a seventh key, an eighth key, a ninth key, and a tenth key;
one end of the first key, one end of the second key, one end of the third key, one end of the fourth key, one end of the fifth key, one end of the sixth key, one end of the seventh key, one end of the eighth key, one end of the ninth key and one end of the tenth key are in one-to-one connection with a 12 th pin, a 13 th pin, a 14 th pin, a 15 th pin, a 16 th pin, a 17 th pin, a 19 th pin, a 1 st pin, a 2 nd pin, a 3 rd pin and a 5 th pin of the singlechip; the other ends of the first key to the tenth key are grounded.
7. The wireless live infrared remote controller according to claim 6, wherein the first to sixth keys are correspondingly set to numbers 1 to 6 for selecting one-way/two-way functions of 6 devices; the seventh key and the eighth key are correspondingly set as volume up keys and volume down keys, the ninth key is set as a pairing key, and the tenth key is set as a clearing key.
8. The wireless direct broadcast infrared remote controller according to claim 1, wherein the surface of the key panel is covered with a key film, the key film is provided with a film protruding cavity matched with the position and the shape of each key, and the key cap of each key is correspondingly positioned in one film protruding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223032489.XU CN220232561U (en) | 2022-11-15 | 2022-11-15 | Wireless live infrared remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223032489.XU CN220232561U (en) | 2022-11-15 | 2022-11-15 | Wireless live infrared remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220232561U true CN220232561U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223032489.XU Active CN220232561U (en) | 2022-11-15 | 2022-11-15 | Wireless live infrared remote controller |
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| Country | Link |
|---|---|
| CN (1) | CN220232561U (en) |
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- 2022-11-15 CN CN202223032489.XU patent/CN220232561U/en active Active
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