TWM503717U - Wireless audio emitting device - Google Patents

Description

Wireless audio transmitter

This creation belongs to the field of multimedia playback devices, and in particular to a wireless audio transmitting device applied to an audio FM channel for storage and operation.

In recent years, with the increasing popularity of electronic products such as mobile phones, MP3s, MP4s, and even tablets, almost everyone carries these electronic products with them, and various audio and video multimedia files are stored in them so that they can be kept at any time. Share or watch it yourself.

However, these electronic products are small in size, relatively small in size relative to the speaker used to play audio signals, and the power is difficult to effectively increase, so the playback effect is also limited, in order to provide users with more choices for listening, on the market. A wireless audio transmitting device using an FM broadcast channel has appeared. After the FM frequency is matched, the audio signal can be transmitted through the FM FM broadcast channel of the audio, and the speaker with a larger sound can provide better playback effect.

Such a wireless audio transmitting device using an FM broadcast channel is provided with an audio connector externally for connection with the portable electronic product for insertion into a sound source output hole of the portable electronic product, although with communication technology and With advances in manufacturing technology, such wireless audio transmitting devices have gradually evolved toward small size and refined appearance, but the audio connector has never been able to reduce the size, and is easily bent and damaged even when stored, so it is necessary to improve.

In view of this, one of the purposes of this creation is to provide a wireless audio transmitting device. The utility model is characterized in that a movable connecting head is arranged in a casing, which can be used for being transferred out and transferred into the storage, which is convenient to operate and does not cause the audio connector to be bent after being stored. Moreover, the audio connector can also be used as the switch of the second segment, so as to avoid constant power supply when not in use, and greatly improve the convenience in use.

In order to achieve the above object, the wireless audio transmitting device of the present invention is installed on a multimedia player and is connected to an FM channel of an audio power supply. The wireless audio transmitting device comprises: a casing, and a built-in The accommodating circuit and the accommodating space are connected to the outside by the inside of the casing, and an opening is formed on the side of the casing, and a pivoting portion is disposed on the inner side of the opening; a control circuit board is disposed at the In the accommodating space, the control circuit board is respectively provided with a first switch, a display screen, a control button and an electrical connection port, and the first switch and the electrical connection port are located on the surface of the housing, and The control key is located on one side of the display screen, and the first open relationship is used as a power source; an operation panel is disposed on the front surface of the housing and electrically connected to the control circuit board, and the operation panel corresponds to the display screen Having a viewing window and an operating portion corresponding to the control button; and an audio connector having a pair of pivoting posts at the end and being pivotally disposed in the pivoting portion, and the audio connector The head is electrically connected to the control circuit board; in use, the audio connector can be outwardly turned out and inserted into a sound source output hole of the multimedia player. When not in use, the audio connector can be turned inward This storage space is not exposed.

In one embodiment, the display screen is located at a central portion of the control circuit board, and the first switch and the electrical connection port are respectively disposed on two sides of the display screen. And, the first open relationship is a dip switch.

In order to increase the convenience in operation, the present invention is provided with a pair of latching portions corresponding to the opening of the housing corresponding to the audio connector for positioning when the audio connector is turned outward. The use is not easily transferred to the storage space by external force, resulting in inconvenience in use. Moreover, the audio connector is provided with a lever corresponding to the opening, so that the audio connector is turned outward from the storage space.

In addition, in another embodiment, the wireless audio transmitting device of the present invention further has a second switch electrically connected to the control circuit board and correspondingly disposed on one side of the audio connector, when the audio connector is turned When it is out, the second switch can be triggered to start the power supply, and. The second open relationship is electrically connected to the first switch. When the first switch is turned on and the audio connector is turned out, the power can be started to serve as a two-stage switch to avoid misoperation without turning off the power, thereby causing power. waste.

1‧‧‧Wireless audio transmitter

11‧‧‧Shell

111‧‧‧ accommodating space

112‧‧‧ Storage space

113‧‧‧ openings

114‧‧‧ pivotal department

115‧‧‧Snap Department

12‧‧‧Control circuit board

121‧‧‧First switch

122‧‧‧ display screen

123‧‧‧Control keys

124‧‧‧Electrical connection port

13‧‧‧Operator panel

131‧‧‧View window

132‧‧‧Operation Department

14‧‧‧Audio connector

141‧‧‧ pivot column

142‧‧‧

15‧‧‧Second switch

2‧‧‧Multimedia player

21‧‧‧Source output hole

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

Fig. 2 is a schematic view showing the state at the time of development of the preferred embodiment of the present invention.

Fig. 3 is a schematic view showing the state of the preferred embodiment of the present invention.

Figure 4 is a schematic view showing the structure of another preferred embodiment of the present invention.

In order for your review board to have a clear understanding of the content of this creation, please refer to the following description only.

Please refer to Figures 1, 2 and 3 for a schematic view of the structure of the preferred embodiment and a schematic diagram of various states in use. As shown in the figure, the wireless audio transmitting device 1 of the present invention is installed on a multimedia player 2, and is electrically connected to an FM channel (not shown) for playing. The wireless audio transmitting device 1 is A housing 11, a control circuit board 12, an operation panel 13, and an audio connector 14 are included.

The housing 11 is formed into a rectangular block structure, and an accommodating space 111 and a accommodating space 112 are disposed in the interior of the housing 11 , and the accommodating space 111 and the accommodating space 112 can be connected or spaced apart; The accommodating space 112 is extended from the inside of the casing 11 to the outside, and an opening 113 is formed on the side of the casing 11. A pivoting portion 114 is disposed on the inner side of the opening 113.

The control circuit board 12 is fixed in the accommodating space 111. The control circuit board 12 is respectively provided with a first switch 121, a display screen 122, a pair of control keys 123 and an electrical connection port 124. The display screen 122 is located at a central portion of the control circuit board 12. The first switch 121 and the electrical connection port 124 are respectively disposed on two sides of the display screen. The first switch 121 selected for the present invention is a dip switch. And the pair of control keys 123 are respectively located on two sides of the display screen 122, and can be used as the power source by the first switch 121. As shown in the figure, the electrical connection port 124 is selected from one of, for example, USB, MICRO USB, and MINI USB, but should not be limited thereto.

The operation panel 13 is disposed on the front surface of the casing 11 and electrically connected to the control circuit board 12 . The operation panel 13 is provided with a viewing window 131 corresponding to the display screen 122 , and corresponding to the control button 123 . The two operating portions 132 should be noted that the two operating portions 132 are also located on both sides of the viewing window 131.

The end of the audio connector 14 is provided with a pair of pivoting posts 141 and is pivotally disposed in the pivoting portion 114. The audio connector 14 is electrically connected to the control circuit board 12; in use, the audio connector 14 can be outwardly turned out and inserted into one of the audio source output holes 21 of the multimedia player 2. When not in use, the audio connector 14 can be turned inwardly into the storage space 112 without being exposed.

Moreover, in order to be used for positioning when the outer opening is turned, the present invention is provided with a pair of latching portions 115 corresponding to the opening 113 of the housing 11 corresponding to the audio connector 14 for the audio connector 14 to Positioning use when turning away. Moreover, a lever 142 is disposed at the corresponding position of the audio connector 14 to open the audio connector 14 from the storage space 112.

Please also refer to FIG. 4, which is a schematic structural view of another preferred embodiment of the present invention. As shown in the figure, the wireless audio transmitting device 1 of the present invention further has a second switch 15 electrically connected to the control circuit board 12 and correspondingly disposed on one side of the audio connector 14, the second switch The 15 series is a touch switch. When the audio connector 14 is turned out, the second switch 15 can be triggered to start the power supply, and the second switch 15 is electrically connected to the first switch 121. When the first switch 121 is turned on and the audio connector 14 is connected When the battery is turned out, the power can be turned on to avoid the problem that the power is lost due to forgetting to close the first switch 121 during storage.

However, the above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, it is common knowledge in the technical field or equivalent or easy to be familiar with the technology. The changes and modifications made by the changer without departing from the spirit and scope of this creation shall be covered by the scope of this creation.

1‧‧‧Wireless audio transmitter

11‧‧‧Shell

111‧‧‧ accommodating space

112‧‧‧ Storage space

113‧‧‧ openings

114‧‧‧ pivotal department

115‧‧‧Snap Department

12‧‧‧Control circuit board

121‧‧‧First switch

122‧‧‧ display screen

123‧‧‧Control keys

124‧‧‧Electrical connection port

13‧‧‧Operator panel

131‧‧‧View window

132‧‧‧Operation Department

14‧‧‧Audio connector

141‧‧‧ pivot column

142‧‧‧

Claims (7)

A wireless audio transmitting device is installed on a multimedia player and is connected to an audio FM channel for power supply. The wireless audio transmitting device comprises: a housing having an accommodation space and a storage space therein. The storage space is extended from the inside of the housing to the outside, and an opening is formed on the side of the housing, and a pivoting portion is disposed on the inner side of the opening; a control circuit board is disposed in the receiving space, the control a first switch, a display screen, at least one control button and an electrical connection port are respectively disposed on the circuit board, and the first switch and the electrical connection port are located on a surface of the housing, and the control key is located on the display On the side of the screen, the first open relationship is used as a power source; an operation panel is disposed on the front surface of the housing and electrically connected to the control circuit board, and the operation panel is provided with a viewing window corresponding to the display screen. And an operating portion corresponding to the control button; and an audio connector having a pair of pivoting posts at the end and being pivotally disposed in the pivoting portion, wherein the audio connector is electrically connected The control circuit board; in use, the audio connector can be outwardly turned out and inserted into one of the audio source output holes of the multimedia player. When not in use, the audio connector can be turned into the storage space without being used. Exposed. The wireless audio transmitting device of claim 1, wherein the display screen is located at a central portion of the control circuit board, and the first switch and the electrical connection port are respectively disposed on two sides of the display screen. The wireless audio transmitting device of claim 1, wherein the first open relationship is a dip switch. The wireless audio transmitting device of claim 1, wherein the opening of the housing corresponds to the audio connector and a pair of latching portions are provided for positioning of the audio connector when the audio connector is turned outward. . The wireless audio transmitting device of claim 1 or 4, wherein the audio connector is provided with a lever corresponding to the opening, so that the audio connector is turned outward from the storage space. The wireless audio transmitting device of claim 1, further comprising a second switch electrically connected to the control circuit board and correspondingly disposed on one side of the audio connector, when the audio connector is turned out, The second switch can be triggered to activate the power. The wireless audio transmitting device of claim 6, wherein the second open relationship is electrically connected to the first switch, and when the first switch is turned on and the audio connector is turned out, the power can be started.