Wireless musical instrument receiver

Abstract

The utility model discloses a wireless musical instrument receiver, which relates to the technical field of wireless musical instrument receivers, and comprises a front cover and a rear cover, the rear cover is arranged on one side of the front cover, the front cover is provided with an insertion groove, the rear cover is provided with an abutting part, and the abutting part can be matched with the insertion groove on the front cover in an insertion manner. A circuit board is further arranged on the side, located on the front cover, of the rear cover, an antenna is arranged on the top of the circuit board, an audio insertion nozzle is arranged at the bottom of the circuit board, and the infrared signal receiving module is responsible for receiving signals from an external infrared transmitter and converting the signals into electric signals for being processed by the circuit board. Received signals are decoded and processed on the circuit board and converted into audio signals, the audio signals are output to external audio equipment through the audio insertion nozzle to be played, signal transmission is carried out through infrared rays, and a transmission path has directivity, so that interference of an external environment can be effectively reduced, and the transmission efficiency is improved. And the stability of signal transmission is improved to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless musical instrument receiver technical field, concretely relates to wireless musical instrument receiver. BACKGROUND

[0002] Wireless musical instrument receiver is one of the key equipment in modern music performance and recording. Its core function mainly depends on advanced wireless communication technology, which is used to receive audio signals from musical instrument transmitters. This wireless communication technology is based on the propagation principle of electromagnetic waves, which can realize long-distance transmission of audio signals in the air, thus completely getting rid of the shackles of traditional wired connection, and providing a more flexible and convenient solution for music performance and recording.

[0003] The existing wireless audio transmitting device, when in use, the audio signal emitted by the musical instrument will be digitized, encoded and compressed. Secondly, before establishing a connection between Bluetooth devices, pairing operation is needed. During the pairing process, the devices exchange key and address information to ensure the security of communication and the reliability of data transmission. Once the pairing is successful, a stable Bluetooth connection between the devices can be established. At this time, the digitized and encoded audio signal will be transmitted to the receiver through this Bluetooth connection. After receiving the Bluetooth signal, the receiver will first perform decoding operation to restore the received encoded signal to the original audio signal. The decoded audio signal is amplified and finally played through the audio output device (such as loudspeaker), realizing wireless transmission and playing of audio signal.

[0004] However, the existing wireless audio transmitting device is easy to be disturbed by other wireless devices such as electromagnetic waves, Wi-Fi, other Bluetooth devices, etc. when in use, which may cause unstable or interrupted signals, in addition, the signal may be blocked by obstacles such as buildings, walls, etc. during transmission, affecting the transmission quality and stability of the signal. UTILITY MODEL CONTENT

[0005] In view of the above problems, the wireless musical instrument receiver is provided, which is provided with an infrared signal receiving module for receiving signals from external infrared transmitters, solving the technical problem of being easy to be disturbed by other wireless devices, leading to unstable signals.

[0006] In order to solve the prior art problems, the utility model provides a wireless musical instrument receiver, including front cover and back cover, the back cover sets up at one side of front cover, be provided with the insertion slot on the front cover, be provided with the butt joint on the back cover, this butt joint can be inserted with the insertion slot on the front cover and insert the cooperation, the back cover still is provided with the circuit board at one side of front cover, the top of circuit board is provided with the antenna, the bottom of circuit board is provided with the audio plug, the audio plug is fastened with the bottom of front cover and back cover through the nut, one side of circuit board is provided with the display screen, one side of circuit board is provided with the infrared signal receiving module for receiving the signal from the external infrared emitter at the bottom of display screen, one side of circuit board is provided with the control button at the top of display screen, the front cover still is provided with the through -hole for exposing display screen and control button from the inside of front cover, one side of circuit board is still provided with the charging interface away from display screen, the installation slot is still provided with the battery on one side of back cover away from front cover, the back cover still is provided with the sliding cover for shielding installation slot.

[0007] Preferably, the front cover is connected with a protective plate away from the back cover.

[0008] Preferably, the battery is a 18650 high-capacity lithium battery.

[0009] Preferably, the antenna is threadedly connected to the top of the circuit board.

[0010] Preferably, the display screen is a high-resolution TFT display screen.

[0011] Preferably, the charging interface is a Type-C interface.

[0012] Preferably, the bottom of the front cover and the back cover is respectively provided with a half ring body, and an annular opening is formed by the two half ring bodies, and a locking sleeve is threadedly arranged outside the annular opening.

[0013] Preferably, the sliding cover is provided with a protrusion away from the back cover for pushing and pulling the sliding cover.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The protective plate provides additional protection for the display screen and the control button, preventing damage or contamination of the display screen and the control button.

[0016] 2. The antenna is threadedly connected to the top of the circuit board, making it easy to replace the antenna. In an open outdoor environment, a high-gain antenna can be replaced to enhance the signal reception range and strength. In an indoor or heavily shielded environment, a low-gain antenna can be replaced to reduce interference and improve reception sensitivity. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a stereo schematic diagram of a wireless musical instrument receiver Figure 1 .

[0018] Figure 2 is a stereo schematic diagram of a wireless musical instrument receiver Figure 2 .

[0019] Figure 3 is a stereo schematic diagram of a wireless musical instrument receiver Figure 3 .

[0020] Figure 4 is an exploded schematic diagram of a front cover, a rear cover, a circuit board and an antenna in a wireless musical instrument receiver.

[0021] Figure 5 is an exploded schematic diagram of a front cover, a rear cover, a circuit board and a charging interface in a wireless musical instrument receiver.

[0022] The figure is marked: 1, front cover; 2, rear cover; 3, abutting portion; 4, plug-in slot; 5, circuit board; 6, antenna; 7, audio plug; 8, display screen; 9, infrared signal receiving module; 10, control button; 11, charging interface; 12, mounting groove; 13, battery; 14, sliding cover; 15, protective plate. DETAILED DESCRIPTION

[0023] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0024] Referring to Figures 1 to 5 The utility model provides a wireless musical instrument receiver, including front cover 1 and rear cover 2, rear cover 2 is arranged at one side of front cover 1, is provided with plug-in slot 4 on front cover 1, is provided with abutting portion 3 on rear cover 2, the abutting portion 3 can be inserted with the plug-in slot 4 on front cover 1 and cooperate, rear cover 2 is located at one side of front cover 1 still is provided with circuit board 5, the top of circuit board 5 is provided with antenna 6, the bottom of circuit board 5 is provided with audio plug 7, audio plug 7 is fastened with the bottom of front cover 1 and rear cover 2 through nut, one side of circuit board 5 is provided with display screen 8, one side of circuit board 5 is located at the bottom of display screen 8 and is provided with infrared signal receiving module 9 for receiving the signal from external infrared emitter, one side of circuit board 5 is located at the top of display screen 8 and is provided with control button 10, front cover 1 still is provided with through hole for exposing display screen 8 and control button 10 from the inside of front cover 1, one side of circuit board 5 away from display screen 8 is still provided with charging interface 11, one side of rear cover 2 away from front cover 1 is still provided with mounting groove 12, is provided with battery 13 in mounting groove 12, rear cover 2 still is provided with sliding cover 14 for shielding mounting groove 12.

[0025] By pressing the power switch in the control button 10, the receiver is powered on, and the receiver receives signals from the external infrared transmitter through the antenna 6. The infrared signal receiving module 9 is responsible for receiving signals from the external infrared transmitter and converting the signals into electrical signals for the circuit board 5 to process. The received signals are decoded and processed on the circuit board 5, converted into audio signals, and output to external audio equipment through the audio plug 7 for playback. The signal transmission is carried out by infrared, and the transmission path has directionality, which can effectively reduce the interference of the external environment, and thus improve the stability of the signal transmission to a certain extent.

[0026] During use, the display screen 8 displays state information such as battery level and signal strength. When the battery is depleted, the user can charge the receiver through the charging interface 11, or replace the full 18650 battery.

[0027] Referring to Figure 4 and Figure 5 , the front cover 1 is clamped with the protective plate 15 away from the back cover 2.

[0028] By setting the protective plate 15, the display screen 8 and the control button 10 are provided with additional protection to prevent damage or contamination of the display screen 8 and the control button 10.

[0029] Referring to Figure 4 and Figure 5 , the battery 13 is a 18650 high-capacity lithium battery.

[0030] The lithium battery is a 18650 high-capacity lithium battery, which has high energy density and long service life, ensuring stable performance of the receiver during long-term use.

[0031] Referring to Figure 4 and Figure 5 , the antenna 6 is threadedly connected to the top of the circuit board 5.

[0032] Since the antenna 6 is threadedly connected to the top of the circuit board 5, it is convenient to replace the antenna 6. In an open outdoor environment, high-gain antenna 6 is replaced to enhance the receiving range and strength of the signal. In indoor or more sheltered environments, low-gain antenna 6 is replaced to reduce interference and improve receiving sensitivity.

[0033] Referring to Figure 4 and Figure 5 , the display screen 8 is a high-resolution TFT display screen.

[0034] The high-resolution TFT display screen can present more delicate and clear images, so that various parameters, settings and state information on the receiver can be seen at a glance, making it convenient for users to make quick and accurate adjustments.

[0035] Referring to Figure 3 and Figure 5 As shown, the charging interface 11 is a Type-C interface.

[0036] The Type-C interface has the advantages of small size and strong expansibility, further ensuring the portability of the receiver.

[0037] Referring to Figure 4 and Figure 5 As shown, the bottom of the front cover 1 and the rear cover 2 is respectively provided with a half ring body, and the two half ring bodies form an annular opening, and the outer side of the annular opening is provided with a locking sleeve.

[0038] When the front cover 1 and the rear cover 2 are installed, the abutting portion 3 on the rear cover 2 is aligned with the plug-in slot 4 on the front cover 1. Then, continue to push the rear cover 2 until the abutting portion 3 completely enters the plug-in slot 4, so as to complete the preliminary installation of the front cover 1 and the rear cover 2. When the front cover 1 and the rear cover 2 are completely attached, the half ring bodies at the bottom of the front cover 1 and the rear cover 2 will form an annular opening, and by rotating and screwing the locking sleeve on the annular opening, the locking effect of the locking sleeve makes the connection of the front cover 1 and the rear cover 2 more firm and reliable.

[0039] Referring to Figure 5 As shown, the side of the sliding cover 14 away from the rear cover 2 is provided with a protrusion for pushing and pulling the sliding cover 14.

[0040] Through the setting of the protrusion, the user can conveniently push and pull the sliding cover 14, so as to quickly replace or maintain the battery 13.

[0041] By pressing the power switch in the control button 10, the receiver is turned on, and the receiver receives signals from the external infrared emitter through the antenna 6. The signal receiving module 9 is responsible for receiving signals from the external infrared emitter, and converts the signals into electrical signals for the circuit board 5 to process. The received signals are decoded and processed on the circuit board 5, converted into audio signals, and the audio signals are output to the external audio equipment through the audio plug 7 for playing. In the use process, the display screen 8 displays the state information such as battery capacity and signal strength. When the battery capacity is exhausted, the user can charge the receiver through the charging interface 11. The signal transmission is carried out through infrared rays, and the transmission path has directionality, so as to effectively reduce the interference of the external environment, and further improve the stability of the signal transmission to a certain extent.

[0042] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A wireless musical instrument receiver, characterized by, The utility model relates to a kind of electronic device, including front cover (1) and rear cover (2), the rear cover (2) is arranged on the side of front cover (1), and the front cover (1) is provided with insertion slot (4), and the rear cover (2) is provided with abutting portion (3), the abutting portion (3) can be inserted with the insertion slot (4) on the front cover (1) and is matched, and the rear cover (2) is located on the side of front cover (1) and is further provided with circuit board (5), the top of the circuit board (5) is provided with antenna (6), the bottom of the circuit board (5) is provided with audio plug (7), the audio plug (7) is fastened with the bottom of front cover (1) and rear cover (2) by nut, one side of the circuit board (5) is provided with display screen (8), the bottom of display screen (8) is provided with infrared signal receiving module (9) for receiving signal from external infrared emitter on one side of the circuit board (5) located, the top of display screen (8) is provided with control button (10) on one side of the circuit board (5), and the front cover (1) is further provided with through hole for exposing display screen (8) and control button (10) from the inside of front cover (1), and the side of the circuit board (5) away from display screen (8) is further provided with charging interface (11), and the side of the rear cover (2) away from front cover (1) is further provided with mounting groove (12), the battery (13) is arranged in the mounting groove (12), and the rear cover (2) is further provided with sliding cover (14) for shielding mounting groove (12).

2. The wireless musical instrument receiver of claim 1, wherein, The front cover (1) is connected with the guard plate (15) on the side away from the rear cover (2).

3. The wireless musical instrument receiver of claim 1, wherein, The battery (13) is 18650 high-capacity lithium battery.

4. The wireless musical instrument receiver of claim 1, wherein, The antenna (6) is screwed on the top of the circuit board (5).

5. The wireless musical instrument receiver of claim 1, wherein, The display screen (8) is high-resolution TFT display screen.

6. The wireless musical instrument receiver of claim 1, wherein, The charging interface (11) is Type-C interface.

7. The wireless musical instrument receiver of claim 1, wherein, The bottom of the front cover (1) and the rear cover (2) is respectively provided with half ring body, and the ring-shaped opening is formed by two half ring bodies, and the outer side of the ring-shaped opening is provided with locking sleeve in screw thread.

8. The wireless musical instrument receiver of claim 1, wherein, The side of the sliding cover (14) away from the rear cover (2) is provided with protrusion for pushing and pulling the sliding cover (14).

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