Bluetooth audio receiving and transmitting device

Abstract

The utility model relates to the technical field of Bluetooth audio receiving and transmitting devices, in particular to a Bluetooth audio receiving and transmitting device. The Bluetooth audio receiving and transmitting device comprises a main control main body, an audio plug, a USB plug, a first lead and a second lead; a main control circuit board is arranged in the main control main body, the audio plug is electrically connected with the main control circuit board through a first wire, and the USB plug is electrically connected with the main control circuit board through a second wire; and a Bluetooth module is arranged on the main control circuit board. According to the Bluetooth audio receiving and transmitting device, the Bluetooth module is arranged on the main control circuit board instead of being arranged in the USB plug, so that the production and assembly of the Bluetooth module and the main control circuit board at the USB plug can be reduced, the main control circuit board can be uniformly produced and assembled in the main control main body, the integration level is improved, and the production cost is reduced. The Bluetooth module is arranged on the original main control circuit board, so that the cost of the Bluetooth module main control circuit board at the USB plug is reduced, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bluetooth audio receiving transmitter, especially a bluetooth audio receiving transmitter. BACKGROUND

[0002] The bluetooth audio receiving transmitter is a device that can simultaneously serve as a bluetooth audio receiver and transmitter, which can connect traditional non-bluetooth audio devices to bluetooth devices through wireless mode to realize wireless transmission of audio.

[0003] The bluetooth audio receiving transmitter has an audio plug at one end and a USB plug at the other end, the audio plug is inserted into the audio port of an audio device to transmit audio signals and realize audio playback, and the USB plug is inserted into the USB port to realize power supply. The current bluetooth audio receiving transmitter sets the bluetooth module at the USB plug and also sets a main control body, which is inconvenient for production and assembly and has high cost. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a kind of bluetooth audio receiving transmitter, to solve the problem of bluetooth audio receiving transmitter in prior art that bluetooth module is set at USB plug, and also set main control body, which is inconvenient for production and assembly and has high cost.

[0005] The utility model discloses a kind of bluetooth audio receiving transmitter, including main control body, audio plug and USB plug, first wire and second wire;Main control body is provided with main control circuit board, audio plug is electrically connected with main control circuit board by first wire, and USB plug is electrically connected with main control circuit board by second wire;Main control circuit board is provided with bluetooth module.

[0006] Optionally, the main control body includes a main housing and a bottom shell, the main control circuit board is installed in the main housing, and the bottom shell is provided on the bottom of the main housing;The first opening is formed at both ends of the main housing, and the first wire and the second wire are introduced into the main housing through the first opening at both ends of the main housing;The wire clamping portion is provided at both ends of the bottom shell corresponding to the first opening, and the wire clamping portion is inserted into the first opening and presses the first wire and the second wire.

[0007] Optionally, the first opening is provided with a stepped surface on both sides, and the wire clamping portion is inserted into the first opening at both ends and abuts on the stepped surface.

[0008] Optionally, the first wire and the second wire are provided with a mounting portion, the mounting portion is installed in the first opening and the wire clamping portion, the mounting portion is provided with a limiting clamping plate at one end inside the first opening and the wire clamping portion, and the limiting clamping plate is installed in the mounting cavity inside the main housing.

[0009] Optionally, first pressing protrusions are arranged on both sides of the inner side of the bottom shell corresponding to the wire clamping part, and the first pressing protrusions are pressed on the edge of the limiting clamping plate.

[0010] Optionally, second pressing protrusions are arranged on both sides of the inner side of the wire clamping part, and the second pressing protrusions are pressed on the side of the limiting clamping plate.

[0011] Optionally, a display window is arranged on the side of the main shell away from the bottom shell, a display screen for displaying the working state information of the Bluetooth audio receiving transmitter is arranged in the main shell, the display screen is electrically connected with the main control circuit board, the display screen is connected with the display window, and a light-transmitting protection plate is arranged on the display window.

[0012] Optionally, a mounting seat is arranged in the main shell, a supporting edge and a buckle leg are arranged on the edge of the mounting seat, the supporting edge is supported on the main control circuit board, and the buckle leg is buckled on the edge of the main control circuit board.

[0013] A mounting groove is arranged on the side of the mounting seat away from the main control circuit board, and the display screen is arranged in the mounting groove.

[0014] Optionally, a confirmation key, a volume increase and decrease key and a Bluetooth mode switching key are arranged on the side of the main shell, and the confirmation key, the volume increase and decrease key and the Bluetooth mode switching key are electrically connected with the main control circuit board.

[0015] Optionally, the second wire comprises a first straight line segment, a spring wire segment and a second straight line segment connected in sequence, the first straight line segment is connected with the USB plug, and the second straight line segment is electrically connected with the main control circuit board.

[0016] Compared with the prior art, the Bluetooth audio receiving transmitter has the beneficial effects that the Bluetooth module is arranged on the main control circuit board instead of being arranged in the USB plug, so that the production and assembly of the Bluetooth module and the main control circuit board at the USB plug are reduced, the main control circuit board is uniformly produced and assembled into the main control body, the integration degree is improved, the original main control circuit board is used to arrange the Bluetooth module, the cost of the Bluetooth module and the main control circuit board at the USB plug is reduced, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The technical solutions of the utility model will be further described in detail below with reference to the drawings and embodiments, and the drawings are as follows:

[0018] Figure 1 is the schematic view of the Bluetooth audio receiving transmitter of the utility model embodiment;

[0019] Figure 2 is another schematic view of the Bluetooth audio receiving transmitter of the utility model embodiment;

[0020] Figure 3 This is an exploded schematic diagram of a Bluetooth audio receiver transmitter according to an embodiment of the present utility model;

[0021] Figure 4 This is another exploded schematic diagram of the Bluetooth audio receiver transmitter according to an embodiment of the present utility model;

[0022] Figure 5 Schematic diagram of the bottom shell of the embodiment of the present utility model;

[0023] Figure 6 It is a schematic diagram of the main housing of an embodiment of the present utility model;

[0024] Figure 7 This is a schematic diagram of the main control circuit board, mounting base and display screen of an embodiment of the utility model;

[0025] Figure 8 It is a schematic diagram of the main control circuit board and the mounting base of the embodiment of the utility model.

[0026] The reference numerals in the figures are:

[0027] 1. Main control body; 11. Main control circuit board; 111. Bluetooth module; 12. Main shell; 121. First opening; 121a. Step surface; 122. Mounting cavity; 123. Display window; 124. Edge; 13. Bottom shell; 131. Wire clamping part; 132. First pressing protrusion; 133. Second pressing protrusion; 14. Transparent protective plate; 15. Mounting seat; 151. Support edge; 152. Snap-on foot; 153. Mounting slot; 16. Confirm button; 17. Volume up and down buttons; 18. Bluetooth mode switch button; 19. Display screen; 2. Audio plug; 3. USB plug; 4. First wire; 5. Second wire; 51. First straight segment; 52. Spring segment; 53. Second straight segment; 6. Mounting part; 61. Limiting card plate. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. Now, in conjunction with the accompanying drawings, a detailed description of the preferred embodiments of the present utility model will be given.

[0029] The present invention provides a Bluetooth audio receiver and transmitter. Figures 1 to 3 As shown, the Bluetooth audio receiver transmitter includes a main control body 1, an audio plug 2 and a USB plug 3, a first wire 4 and a second wire 5; a main control circuit board 11 is provided in the main control body 1, the audio plug 2 is electrically connected to the main control circuit board 11 through the first wire 4, and the USB plug 3 is electrically connected to the main control circuit board 11 through the second wire 5; a Bluetooth module 111 is provided on the main circuit board 11.

[0030] The utility model discloses a bluetooth audio receiving transmitter sets up bluetooth module 111 on main control circuit board 11, and does not set up in USB plug 3, thus, can reduce the production and assembly of bluetooth module 111 and its circuit board at USB plug 3, and can produce and assemble to main control main body 1 in main control circuit board 11, improve the integration degree, set up bluetooth module 111 using original main control circuit board 11, reduce the cost of bluetooth module circuit board at USB plug 3, reduce the cost.

[0031] Specifically, bluetooth module 111 includes bluetooth chip and peripheral circuit. Audio plug 2 is inserted into the audio socket of audio equipment to transmit audio signal and realize audio playing, and USB plug 3 is inserted into USB socket to realize power supply. After the electronic equipment such as mobile phone is connected with bluetooth module 111, audio is played, and audio signal is transmitted to audio equipment through bluetooth audio receiving transmitter and played. Audio plug 2 is 3.5mm audio plug 2.

[0032] Specifically, main control main body 1 includes main shell 12 and bottom shell 13, main control circuit board 11 is installed in main shell 12, and bottom shell 13 covers the bottom of main shell 12. Main control circuit board 11 is installed in main shell 12, and the assembly and maintenance of main control circuit board 11, first wire 4 and second wire 5 are more convenient through bottom shell 13 cover. Bottom shell 13 can be installed on the bottom of main shell 12 through screwing, glue bonding, buckle buckling and other ways. Main shell 12 and bottom shell 13 can provide physical barrier protection for main control circuit board 11.

[0033] As shown in Figure 4 and Figure 6 The both ends of main shell 12 are provided with first opening 121, and first wire 4 and second wire 5 are introduced into main shell 12 through first opening 121 at both ends of main shell 12 respectively. First opening 121 at both ends of main shell 12 facilitates the installation connection of first wire 4 and second wire 5. First wire 4 and second wire 5 are introduced into main shell 12 and are electrically connected with main control circuit board 11 respectively, realizing data and current transmission.

[0034] As shown in Figure 5As shown, the two ends of the bottom shell 13 correspond to the first opening and are provided with wire clamping portions 131, which are inserted into the first opening 121 and press the first wire 4 and the second wire 5. The wire clamping portions 131 of the two ends of the bottom shell 13 are inserted into the first opening 121 and press the first wire 4 and the second wire 5, which can ensure the firm installation of the first wire 4 and the second wire 5. Specifically, after the bottom shell 13 is installed on the bottom of the main shell 12, the wire clamping portions 131 together with the first opening 121 clamp the first wire 4 and the second wire 5 in the first opening 121, which ensures the stable installation of the first wire 4 and the second wire 5. Specifically, the first opening 121 and the wire clamping portions 131 together form a circular hole passage that is matched with the first wire 4 and the second wire 5.

[0035] Further, the two side walls of the first opening 121 are provided with stepped surfaces 121a, and the wire clamping portions 131 are abutted on the stepped surfaces 121a when inserted into one end of the first opening 121. The stepped surfaces 121a can cooperate with the wire clamping portions 131 to form a more regular passage, which facilitates the fixation of the first wire 4 and the second wire 5, and improves the sealing performance of the first opening 121 to prevent dust and other impurities from entering the inside of the main shell 12.

[0036] The first wire 4 and the second wire 5 are provided with mounting portions 6, which are installed in the first opening 121 and the wire clamping portions 131. The mounting portion 6 is provided with a limiting clamping plate 61 at one end inside the first opening 121 and the wire clamping portions 131, and the main shell 12 is provided with a mounting cavity 122 at the inside of the first opening 121, and the limiting clamping plate 61 is installed in the mounting cavity 122. The mounting portion 6 is clamped in the first opening 121 and the wire clamping portions 131, and the limiting clamping plate 61 is installed in the mounting cavity 122 to limit the mounting portion 6, so that the first wire 4 and the second wire 5 are fixed in the first opening 121, which ensures the stable connection. The mounting cavity 122 can be formed by surrounding the inside of the first opening 121 with a surrounding edge 124, and a notch is formed on the side of the surrounding edge 124 opposite to the first opening 121 to allow the first wire 4 and the second wire 5 to pass through.

[0037] The first pressing protrusions 132 are provided on the inside surface of the bottom shell 13 corresponding to the two sides of the wire clamping portions 131, and the first pressing protrusions 132 press the edges of the limiting clamping plate 61. After the bottom shell 13 is installed on the bottom of the main shell 12, the first pressing protrusions 132 can press the edges of the limiting clamping plate 61, which avoids the loosening of the mounting portion 6 and further improves the firmness of the installation of the mounting portion 6.

[0038] Further, the second pressing protrusion 133 is arranged on the two sides of the inner side surface of the wire clamping part 131 and is pressed on the side surface of the limiting clamping plate 61. The second pressing protrusion 133 can be cooperated with the side surface of the limiting clamping plate 61 and the side wall of the mounting cavity 122 to further fix the mounting part 6 from the side surface of the limiting clamping plate 61, so as to be cooperated with the first pressing protrusion 132 to realize the overall fixation of the mounting part 6.

[0039] Further combining Figure 7 and Figure 8 As shown in the figure, the main shell 12 is provided with a display window 123 on the side away from the bottom shell 13, and a display screen 19 for displaying the working state information of the Bluetooth audio receiver transmitter is installed in the main shell 12 and is electrically connected with the main control circuit board 11. The display screen 19 is connected with the display window 123, and a light-transmitting protective plate 14 is arranged on the display window 123. Through the display window 123, the display screen 19 can display the working state information of the Bluetooth audio receiver transmitter, so that the user can know the state of the Bluetooth audio receiver transmitter in time and accurately. Specifically, the display screen 19 can display the working mode, the pairing state, the device name and the paired device name, the volume, the decoding format, etc. The light-transmitting protective plate 14 can protect the display screen 19 while ensuring that the display screen 19 can normally display information.

[0040] The main shell 12 is provided with a mounting seat 15, the edge of the mounting seat 15 is provided with a supporting edge 151 and a buckle leg 152, the supporting edge 151 is supported on the main control circuit board 11, and the buckle leg 152 is buckled on the edge of the main control circuit board 11. The mounting seat 15 is provided with a mounting groove 153 on the side away from the main control circuit board 11, and the display screen 19 is installed in the mounting groove 153. By installing the display screen 19 in the mounting groove 153 through the mounting seat 15, the display screen 19 can be firmly and stably installed, and the installation of the display screen 19 is also convenient. The mounting seat 15 is installed on the main control circuit board 11 through the cooperation of the supporting edge 151 and the buckle leg 152, can be assembled with the main control circuit board 11 as a whole, and is installed in the main shell 12 together, which is convenient for assembly.

[0041] Specifically, the main shell 12 is provided with a confirmation key 16, a volume increase and decrease key 17 and a Bluetooth mode switching key 18, which are electrically connected and installed on the main control circuit board 11. The confirmation key 16 is used for confirming the selection and deletion of devices in the Bluetooth pairing process and can be used as a play / pause key after the successful connection of the selected device. The volume increase and decrease key 17 controls the volume of the audio device. The Bluetooth mode switching key 18 is used for switching the Bluetooth RX mode and TX mode.

[0042] In another aspect, the second wire 5 comprises a first straight segment 51, a spring wire segment 52 and a second straight segment 53 connected in sequence; the first straight segment 51 is connected with the USB plug 3, and the second straight segment 53 is electrically connected with the main control circuit board 11.

[0043] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present application, but not limit them, and the skilled in the art can modify the technical solutions recorded in the above embodiments, or make equivalent replacement for some of the technical features; all these modifications and replacements shall belong to the protection scope of the appended claims of the present application.

Claims

1. A Bluetooth audio sink transmitter, characterized in that, The application relates to a Bluetooth audio receiver, which comprises a main control body, an audio plug and a USB plug, first wires and second wires; a main control circuit board is arranged in the main control body; the audio plug is electrically connected with the main control circuit board through the first wires; the USB plug is electrically connected with the main control circuit board through the second wires; and a Bluetooth module is arranged on the main control circuit board.

2. The Bluetooth audio sink transmitter of claim 1, wherein, The main control body comprises a main shell and a bottom shell; the main control circuit board is arranged in the main shell; and the bottom shell is arranged on the bottom of the main shell; first openings are arranged at the two ends of the main shell; the first wires and the second wires are introduced into the main shell through the first openings at the two ends of the main shell; wire clamping parts are arranged at the two ends of the bottom shell corresponding to the first openings; the wire clamping parts are inserted into the first openings and press the first wires and the second wires.

3. The Bluetooth audio sink transmitter of claim 2, wherein, Step surfaces are arranged on the two side walls of the first openings; and the wire clamping parts are abutted on the step surfaces at the two sides of one end of the first openings.

4. The Bluetooth audio sink transmitter of claim 2, wherein, Mounting parts are arranged on the first wires and the second wires; the mounting parts are arranged in the first openings and the wire clamping parts; limit clamping plates are arranged at one end of the inner sides of the first openings and the wire clamping parts; mounting cavities are arranged in the inner sides of the first openings in the main shell; and the limit clamping plates are arranged in the mounting cavities.

5. The Bluetooth audio sink transmitter of claim 4, wherein, First pressing protrusions are arranged on the inner side of the bottom shell corresponding to the two sides of the wire clamping parts; and the first pressing protrusions are pressed on the edges of the limit clamping plates.

6. The Bluetooth audio sink transmitter of claim 5, wherein, Second pressing protrusions are arranged on the inner side of the wire clamping parts; and the second pressing protrusions are pressed on the side surfaces of the limit clamping plates.

7. The Bluetooth audio sink transmitter of any of claims 2 to 6, wherein, A display window is arranged on the side of the main shell away from the bottom shell; a display screen for displaying working state information of the Bluetooth audio receiver is arranged in the main shell; the display screen is electrically connected with the main control circuit board; the display screen is connected with the display window; and a light-transmitting protection plate is arranged on the display window.

8. The Bluetooth audio sink transmitter of claim 7, wherein, A mounting seat is arranged in the main shell; a supporting edge and a buckle leg are arranged on the edge of the mounting seat; the supporting edge is supported on the main control circuit board; and the buckle leg is buckled on the edge of the main control circuit board. An installation groove is arranged on the side of the mounting seat away from the main control circuit board; and the display screen is arranged in the installation groove.

9. The Bluetooth audio sink transmitter of claim 2, wherein, A confirmation key, volume increase and decrease keys and a Bluetooth mode switching key are arranged on the side of the main shell; and the confirmation key, the volume increase and decrease keys and the Bluetooth mode switching key are electrically connected with the main control circuit board.

10. The Bluetooth audio sink transmitter of claim 1, wherein, The second wires comprise a first straight line segment, a spring wire segment and a second straight line segment which are sequentially connected; the first straight line segment is connected with the USB plug; and the second straight line segment is electrically connected with the main control circuit board.

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