CN213303274U - Remote control transmitting-receiving system - Google Patents
Remote control transmitting-receiving system Download PDFInfo
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- CN213303274U CN213303274U CN202022260840.5U CN202022260840U CN213303274U CN 213303274 U CN213303274 U CN 213303274U CN 202022260840 U CN202022260840 U CN 202022260840U CN 213303274 U CN213303274 U CN 213303274U
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Abstract
The utility model relates to a remote control receiving and dispatching system, a serial communication port, include: the remote control transmitting system is connected with the receiving system through an antenna signal; the remote control transmitting system comprises a sound pickup, a BK4802 chip, a first power amplifier, a first filter, a key switch and a first main control MCU chip; the receiving system comprises a second filter, a second power amplifier, a BK4802 chip, a voice recognition module, a second main control MCU chip and control equipment; the utility model provides a remote control receiving and dispatching system provides two kinds of functional mode of voice call information identification and key switch operation, is applied to remote control receiving and dispatching equipment such as unmanned aerial vehicle, accident machine, realizes that no network scene such as open-air carries out remote accurate operation to equipment.
Description
Technical Field
The utility model relates to a wireless remote control receiving and dispatching technical field, in particular to remote control receiving and dispatching system.
Background
Along with the popularization of intelligent products, infrared rays, Bluetooth, WIFI and the like are adopted in the current remote control transceiving system scheme, but the control distance of the modes is short or the modes depend on a network, so that the remote accurate operation of equipment in the field and other non-network scenes is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a remote control receiving and dispatching system solves current remote control receiving and dispatching system and controls the near or rely on the network of distance, the field of being not convenient for does not have the technical problem of network remote operation.
In order to achieve the above object, the present invention provides the following technical solutions:
a remote control transceiving system comprising: the remote control transmitting system is connected with the receiving system through an antenna signal;
the remote control transmitting system comprises a sound pickup, a BK4802 chip, a first power amplifier, a first filter, a key switch and a first main control MCU chip; the pickup is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the first power amplifier and the first main control MCU chip, the key switch is in signal connection with the first main control MCU chip, and the first power amplifier is in signal connection with the first filter;
the receiving system comprises a second filter, a second power amplifier, a BK4802 chip, a voice recognition module, a second main control MCU chip and control equipment; the second main control MCU chip is respectively in signal connection with the BK4802 chip, the voice recognition module and the control equipment; the voice recognition module is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the second power amplifier, and the second power amplifier is in signal connection with the second filter.
Preferably, the code obtained by the control device and the second main control MCU chip consists of a preamble pulse and 8 data bits, 0 to 254 are correspondingly different, and the coding communication format is: the leading pulse represents 8ms high; logic 0 represents 2ms low +2ms high; a logic 1 represents 2ms low +4ms high.
Preferably, the key function corresponding code values of the key switch are as follows: voice conversation key press: 0x 87; volume +/last song (short press/long press): 0x1e/0xe 1; volume-/next song (short press/long press): 0x2d/0xd 2; chat/send (press short/press long to release hand): 0x3c/0xc 3; play/pause (short press/long press): 0x4d/0xd 4; collection/play collection (short press/long press): 0x5a/0xa 5; advancing: 0x1 f; retreating: 0x3 f; turning left: 0x5 f; and (3) turning to the right: 0x7 f.
Through implementing above technical scheme, have following technological effect: the utility model provides a remote control receiving and dispatching system provides two kinds of functional mode of voice call information identification and key switch operation, is applied to remote control receiving and dispatching equipment such as unmanned aerial vehicle, story machine, realizes that no network scene such as open-air carries out remote accurate operation to equipment.
Drawings
Fig. 1 is a schematic block diagram of a remote control transmitting system provided by the present invention;
fig. 2 is a schematic block diagram of a receiving system provided by the present invention;
fig. 3 is a schematic block diagram of a remote control transceiving system according to the present invention.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed description of the embodiments provided in the present invention is provided with reference to the accompanying drawings.
A remote control transceiving system comprising: the remote control transmitting system is connected with the receiving system through an antenna signal;
the remote control transmitting system comprises a sound pickup, a BK4802 chip, a first power amplifier, a first filter, a key switch and a first main control MCU chip; the pickup is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the first power amplifier and the first main control MCU chip, the key switch is in signal connection with the first main control MCU chip, and the first power amplifier is in signal connection with the first filter;
the receiving system comprises a second filter, a second power amplifier, a BK4802 chip, a voice recognition module, a second main control MCU chip and control equipment; the second main control MCU chip is respectively in signal connection with the BK4802 chip, the voice recognition module and the control equipment; the voice recognition module is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the second power amplifier, and the second power amplifier is in signal connection with the second filter.
The embodiment of the utility model provides an adopt BK4802 high performance data transmission chip as the baseband chip of integrated intercom, it has integrated high performance radio frequency transceiver, speech modulation and demodulation, ASK modulation and demodulation, pre-emphasis and de-emphasis and drive amplifier unit. The BK4802 chip is in communication connection with the MCU, so that the technical effects of few peripheral elements, low cost and low power consumption are achieved. The embodiment of the utility model provides a remote control receiving and dispatching system includes two kinds of functional mode of voice call information discernment and key switch operation, does not have network scene such as field and carries out remote accurate control to equipment. The remote control transmitting system has the working principle that the remote control transmitting system consists of a key switch, a sound pick-up, a first main control MCU chip, a BK4802 chip, a first power amplifier, a filter circuit and an antenna.
In this embodiment, preferably, the code obtained by the control device and the second main control MCU chip is composed of a preamble pulse and 8 data bits, where 0 to 254 are correspondingly different, and the coding communication format is: the leading pulse represents 8ms high; logic 0 represents 2ms low +2ms high; a logic 1 represents 2ms low +4ms high. The corresponding code values of the key functions of the key switches are as follows: voice conversation key press: 0x 87; volume +/last song (short press/long press): 0x1e/0xe 1; volume-/next song (short press/long press): 0x2d/0xd 2; chat/send (press short/press long to release hand): 0x3c/0xc 3; play/pause (short press/long press): 0x4d/0xd 4; collection/play collection (short press/long press): 0x5a/0xa 5; advancing: 0x1 f; retreating: 0x3 f; turning left: 0x5 f; and (3) turning to the right: 0x7 f.
When the voice communication information control mode is selected, voice information is input to the baseband IC BK4802 through the sound pick-up and then is modulated, amplified and filtered, and useful signals are transmitted to the receiver through the antenna.
When a key control mode is selected, key operation information is processed to an ASK end of a BK4802 chip through the first main control MCU, the ASK information is modulated, amplified and filtered after being processed by the BK4802 chip, and useful signals are transmitted to a receiver through an antenna. Receiver system operating principle: the receiving system consists of control equipment, a voice recognition circuit, a loudspeaker, a second main control MCU, a BK4802 chip, a second amplifier, a second filter and an antenna. The signal is input to a BK4802 chip (baseband IC) for processing and demodulation after frequency selection of a second filter circuit and low-noise amplification of a second amplifier, an ASK signal is directly input to a second main control MCU chip, a voice signal is input to a voice recognition circuit for processing and then input to the second main control MCU chip, and after the voice signal is processed and decoded by the second main control MCU chip, a decoded instruction is sent to control equipment to realize remote accurate operation.
The above is to the embodiment of the present invention provides a remote control transceiving system, to the general technical personnel in this field, according to the embodiment of the present invention, there is a change part on the concrete implementation and the application scope, to sum up, the content of this specification should not be understood as the limitation of the present invention.
Claims (1)
1. A remote control transceiver system, comprising: the remote control transmitting system is connected with the receiving system through an antenna signal;
the remote control transmitting system comprises a sound pickup, a BK4802 chip, a first power amplifier, a first filter, a key switch and a first main control MCU chip; the pickup is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the first power amplifier and the first main control MCU chip, the key switch is in signal connection with the first main control MCU chip, and the first power amplifier is in signal connection with the first filter;
the receiving system comprises a second filter, a second power amplifier, a BK4802 chip, a voice recognition module, a second main control MCU chip and control equipment; the second main control MCU chip is respectively in signal connection with the BK4802 chip, the voice recognition module and the control equipment; the voice recognition module is in signal connection with the BK4802 chip, the BK4802 chip is in signal connection with the second power amplifier, and the second power amplifier is in signal connection with the second filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260840.5U CN213303274U (en) | 2020-10-12 | 2020-10-12 | Remote control transmitting-receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260840.5U CN213303274U (en) | 2020-10-12 | 2020-10-12 | Remote control transmitting-receiving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303274U true CN213303274U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022260840.5U Active CN213303274U (en) | 2020-10-12 | 2020-10-12 | Remote control transmitting-receiving system |
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| Country | Link |
|---|---|
| CN (1) | CN213303274U (en) |
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2020
- 2020-10-12 CN CN202022260840.5U patent/CN213303274U/en active Active
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