CN211791845U

CN211791845U - Remote control intermediate transfer control circuit

Info

Publication number: CN211791845U
Application number: CN202020656514.3U
Authority: CN
Inventors: 雷彦行
Original assignee: Zhongshan Yuechen Electronic Industry Co ltd
Current assignee: Zhongshan Yuechen Electronic Industry Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-10-27
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a remote control intermediary transfer control circuit, including equipment a receiving head, MCU, triode Q1 and transfer transmitting tube D1, be provided with IR port and carrier wave signal output on the MCU, MCU's IR end is connected with the output electricity of equipment a receiving head, MCU's carrier wave signal output is connected with triode Q1's base electricity, triode Q1's collecting electrode is connected with the one end electricity of transmitting penetrating pipe D1, the other end of transmitting penetrating pipe D1 is connected with the power end electricity of external power source and equipment a receiving head respectively, triode Q1's projecting pole is connected with MCU's IR end and equipment a receiving head's output electricity respectively; the first equipment receiving head is used for receiving remote control signals sent by the second equipment remote controller, the MCU outputs remote control carrier signals to the triode Q1, and the forwarding emitting tube D1 can transmit the signals to the second equipment receiving head.

Description

Remote control intermediate transfer control circuit

Technical Field

The utility model relates to a remote control field, in particular to remote control intermediary changes accuse circuit.

Background

At present, large-screen ultrathin televisions are popular to enter a plurality of families, the bar-type sound box or other matched equipment is matched with the television for better sound effect, the bar-type sound box or other equipment is usually arranged in front of the television, and a remote control receiving head of the television is usually arranged below the television screen, so that the bar-type sound box or other equipment can block the remote control receiving effect of the television.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a remote control intermediary changes accuse circuit can solve the signal because of hindering the shelves or because of having the problem that the blind spot can't be received.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a remote control intermediary transfer control circuit comprises a device I receiving head, an MCU, a triode Q1 and a transfer transmitting tube D1, wherein the MCU is provided with an IR port and a carrier signal output end, the IR end of the MCU is electrically connected with the output end of the device I receiving head, the carrier signal output end of the MCU is electrically connected with the base electrode of the triode Q1, the collector electrode of the triode Q1 is electrically connected with one end of a transfer transmitting tube D1, the other end of the transfer transmitting tube D1 is electrically connected with an external power supply and the power supply end of the device I receiving head respectively, and the emitter electrode of the triode Q1 is electrically connected with the IR end of the MCU and the output end of the device I receiving head respectively; the first equipment receiving head is used for receiving remote control signals sent by the second equipment remote controller, the MCU outputs remote control carrier signals to the triode Q1, and the forwarding emitting tube D1 can transmit the signals to the second equipment receiving head.

Preferably, the remote control intermediary transfer control circuit further comprises a resistor R3, one end of the resistor R3 is electrically connected with the carrier signal output end of the MCU, and the other end of the resistor R3 is electrically connected with the base of the transistor Q1.

Preferably, the remote control intermediary transfer control circuit further comprises a capacitor C3, one end of the capacitor C3 is electrically connected with the collector of the transistor Q1 and one end of the transfer transistor D1, respectively, and the other end of the capacitor C3 is electrically connected with the base of the transistor Q1.

The utility model has the advantages that: a remote control intermediary transfer control circuit comprises a device I receiving head, an MCU, a triode Q1 and a transfer transmitting tube D1, wherein the MCU is provided with an IR port and a carrier signal output end, the IR end of the MCU is electrically connected with the output end of the device I receiving head, the carrier signal output end of the MCU is electrically connected with the base electrode of the triode Q1, the collector electrode of the triode Q1 is electrically connected with one end of a transfer transmitting tube D1, the other end of the transfer transmitting tube D1 is electrically connected with an external power supply and the power supply end of the device I receiving head respectively, and the emitter electrode of the triode Q1 is electrically connected with the IR end of the MCU and the output end of the device I receiving head respectively; the first equipment receiving head is used for receiving remote control signals sent by the second equipment remote controller, the MCU outputs remote control carrier signals to the triode Q1, and the forwarding emitting tube D1 can transmit the signals to the second equipment receiving head.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a remote control intermediate transfer control circuit.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, a remote control intermediary transfer control circuit includes a device-receiving head 10, an MCU, a transistor Q1 and a transfer transmitting tube D1, the MCU is provided with an IR port and a carrier signal output end, the IR port of the MCU is electrically connected to the output end of the device-receiving head 10, the carrier signal output end of the MCU is electrically connected to the base of the transistor Q1, the collector of the transistor Q1 is electrically connected to one end of a transfer transmitting tube D1, the other end of the transfer transmitting tube D1 is electrically connected to an external power source and the power source end of the device-receiving head 10, and the emitter of the transistor Q1 is electrically connected to the IR port of the MCU and the output end of the device-receiving head 10; the first equipment receiving head 10 is used for receiving remote control signals sent by the second equipment remote controller 20, the MCU outputs remote control carrier signals to the triode Q1, and the transmitting tube D1 can transmit the signals to the second equipment receiving head 21.

In the utility model, the triode Q1 is a remote control signal forwarding switch, the D1 is a forwarding ejection tube, the capacitor C3 is used for feedback, the transistor Q1 is switched to work, the resistor R3 is used for amplitude limiting, the OUT end of the MCU is the carrier signal output end, stable remote control carrier signals can be output and sent to the base electrode of the transistor Q1, the IR end of the MCU is at high level when the remote control signals are not received at ordinary times, namely, the emitting electrode of the triode Q1 is high level and is in cut-off state, when the device two remote controller 20 is pressed to send out remote control signals, the device one receiving head 10 receives the signals, triggers the level conversion of the triode Q1 switch, and transmits the device two remote controller signals to the device two receiving head 21 by the transmitting transistor D1, thereby realizing the switching of the remote control signals, adding the parts formed by the utility model on the device one, i.e. the receiving head of the device two, which may be occluded or in a blind spot, is able to receive the remote control signal forwarded by the device 1.

The remote control intermediate transfer control circuit further comprises a resistor R3, one end of the resistor R3 is electrically connected with a carrier signal output end of the MCU, and the other end of the resistor R3 is electrically connected with a base electrode of the triode Q1.

The remote control intermediary transfer control circuit further comprises a capacitor C3, one end of the capacitor C3 is electrically connected with a collector of the triode Q1 and one end of the transfer emitter D1 respectively, and the other end of the capacitor C3 is electrically connected with a base of the triode Q1.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. A remote control medium transfer control circuit is characterized in that: the device comprises a first equipment receiving head (10), an MCU, a triode Q1 and a transfer transmitting tube D1, wherein the MCU is provided with an IR port and a carrier signal output end, the IR end of the MCU is electrically connected with the output end of the first equipment receiving head (10), the carrier signal output end of the MCU is electrically connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is electrically connected with one end of a transfer transmitting tube D1, the other end of the transfer transmitting tube D1 is electrically connected with an external power supply and the power supply end of the first equipment receiving head (10), and the emitter electrode of a triode Q1 is electrically connected with the IR end of the MCU and the output end of the first equipment receiving head (10); the first equipment receiving head (10) is used for receiving remote control signals sent by the second equipment remote controller (20), the MCU outputs remote control carrier signals to the triode Q1, and the transmitting tube D1 can transmit the signals to the second equipment receiving head (21).

2. The remote intermediary transfer control circuit of claim 1, wherein: the circuit also comprises a resistor R3, wherein one end of the resistor R3 is electrically connected with the carrier signal output end of the MCU, and the other end of the resistor R3 is electrically connected with the base electrode of the triode Q1.

3. The remote intermediary transfer control circuit of claim 1, wherein: the high-power-consumption LED driving circuit further comprises a capacitor C3, wherein one end of the capacitor C3 is electrically connected with the collector of the transistor Q1 and one end of the forwarding emitter D1 respectively, and the other end of the capacitor C3 is electrically connected with the base of the transistor Q1.