CN207304804U - Loudspeaker mounting structure and intelligent watch thereof - Google Patents

Abstract

The utility model is suitable for the field of smart wearable devices, and provides a loudspeaker installation structure and a smart watch thereof. The loudspeaker installation structure includes a loudspeaker and a main circuit board. A groove is provided on the main circuit board. Two conductive nails are arranged on the edge of the groove. One end of the loudspeaker is arranged in the groove, and each conductive nail is electrically connected to a conductive sheet. One end of the sheet is buckled upside down on the conductive nail, and the other end is in contact with the metal shrapnel of the speaker. The above-mentioned smart watch includes a casing and a battery, and also includes the above-mentioned loudspeaker installation structure, the speaker installation structure is arranged in the casing, a viewing window is opened on the casing, a display screen is installed in the viewing window, and the battery is arranged between the display screen and the main circuit board. between. The speaker installation structure and the smart watch provided by the utility model, the speaker installation structure can effectively solve the problem that the motherboard with highly dense components cannot be arranged and connected to the speaker, and improves the rationality of the overall structure layout of the smart watch.

Description

Loudspeaker installation structure and its smart watch

technical field

The utility model belongs to the field of smart wearable devices, in particular to a loudspeaker installation structure and a smart watch thereof.

Background technique

For smart watches with a circular appearance, most of the internal PCB boards are circular PCB main boards, so the overall space is relatively compact. In general, the internal speaker (speaker + soft board) is buckled on the main board through the BTB (board to board) to form a conduction and complete the signal transmission.

However, sometimes due to the high density of devices on the motherboard and the small space, it is impossible to arrange the BTB position on the board to connect the speaker, and it is difficult to complete the design.

Utility model content

The purpose of this utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a speaker installation structure and its smart watch. The rationality of the structural layout meets the needs of production and assembly.

The utility model is realized in the following way: a loudspeaker installation structure, including a loudspeaker and a main circuit board, a groove is opened on the main circuit board, and two grooves are arranged adjacent to the edge of the groove for supplying the loudspeaker. Conductive nails in contact, one end of the speaker is set in the groove, each of the conductive nails is electrically connected to an "L"-shaped conductive sheet, and one end of the conductive sheet is connected to the conductive nail and the other end is in contact with the metal shrapnel of the speaker.

Specifically, a welding layer is provided between the conductive nail and the conductive sheet.

Specifically, an electroplated nickel-gold layer is provided on the conductive sheet.

Specifically, the conductive sheet is a copper sheet.

Specifically, the thickness of the conductive sheet is 0.05mm-0.2mm.

Preferably, the conductive sheet has a thickness of 0.05 mm or 0.1 mm or 0.15 mm or 0.2 mm.

Specifically, the metal elastic sheet is arranged obliquely, and has an abutting portion that is in contact with the conductive sheet.

The utility model also provides a smart watch, which includes a casing and a battery, and also includes the above-mentioned loudspeaker installation structure, the speaker installation structure is arranged in the casing, and a viewing window is opened on the casing, and the viewing window A display screen is installed in the mouth, and the battery is arranged between the display screen and the main circuit board.

The utility model provides a loudspeaker installation structure and its smart watch. The loudspeaker installation structure adopts a groove on the main circuit board, and one end of the loudspeaker is arranged in the groove, and a conductive Nails, and then through the "L"-shaped conductive sheet and the metal shrapnel of the speaker in contact with each other, which effectively solves the problem that the motherboard with highly dense components inside the smart watch cannot be laid out and connected to the speaker. Through this installation structure, it makes The overall structural layout of the smart watch is more reasonable and orderly, which meets the development needs of the miniaturization of the smart watch.

Description of drawings

Fig. 1 is a top view of the main circuit board in the smart watch provided by the embodiment of the utility model;

Fig. 2 is a front view of the loudspeaker installation structure provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the installation of the speaker and the main circuit board in the speaker installation structure provided by the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a smart watch provided by an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The concrete realization of the present utility model is described in detail below in conjunction with specific embodiment:

As shown in Figures 1 to 3, the speaker installation structure 1 provided in the embodiment of the present invention is arranged inside the smart watch, which includes a speaker 11 and a main circuit board 12. Since the overall volume of the smart watch is small and compact, the internal space Smaller, and the device density on the main circuit board 12 is high, thus resulting in a smaller space for installing the loudspeaker 11. In order to meet the installation requirements of the loudspeaker 11, in the embodiment of the present invention, a groove 13 is provided on the main circuit board 12, and the edge of the adjacent groove 13 is provided with two contacts for the loudspeaker 11 to conduct. The conductive nails 14 are used to transmit positive and negative signals respectively, and one end of the speaker 11 is arranged in the groove 13, and each conductive nail 14 is electrically connected with an "L"-shaped conductive sheet 15, and one end of the conductive sheet 15 is inverted The buckle is connected to the conductive nail 14, and the other end is in contact with the metal dome 16 of the speaker 11. Through such setting, the setting of the groove 13 provides an installation space for accommodating the speaker 11. After one end of the speaker 11 is installed in the groove 13, since the edge of the bottom of the groove 13 is also provided with a conductive nail 14, the setting "L"-shaped conductive piece 15, and the conductive piece 15 is set upside down, one end is connected to the corresponding conductive nail 14, and the other end extends downward for contacting and connecting with the metal dome 16 of the speaker 11, so that the conductive Under the action of the electrical connection of the sheet 15, the speaker 11 and the main circuit board 12 can be connected to transmit signals. This kind of installation of the speaker 11 is completed by adopting the structural method of setting the groove 13 and passing the "L"-shaped conductive sheet 15, so that the metal shrapnel 16 of the speaker 11 is connected with the main circuit board 12 through contact, and the overall structure is simple. , easy to set up, and good electrical connection reliability, which can effectively solve the problem that the motherboard with high density of components cannot be arranged and connected to the speaker 11. Through this speaker installation structure 1, the overall structural layout is more reasonable and orderly, which meets the needs of production and assembly .

Specifically, as shown in FIGS. 1 to 3 , in order to ensure the reliability of the electrical connection between the conductive nail 14 and the conductive sheet 15 , a soldering layer 17 is provided between the conductive nail 14 and the conductive sheet 15 . That is, the two are connected as a whole by means of welding, which can avoid loosening and ensure the reliability of the electrical connection. In the embodiment of the present invention, the soldering layer 17 is completed by solder paste reflow soldering, and soldering can be performed while soldering other devices on the main circuit board 12 , and the soldering convenience is good.

Specifically, in order to ensure the reliability of the conductive performance of the conductive sheet 15 , an electroplated nickel-gold layer (not shown in the figure) is provided on the conductive sheet 15 . The electroplated nickel-gold layer improves the conductivity of the conductive sheet 15 and reduces the resistivity, thereby improving the stability of signal transmission between the main circuit board 12 and the speaker 11 .

Specifically, the conductive sheet 15 is a copper sheet, and the thickness of the conductive sheet 15 is set between 0.05 mm and 0.2 mm, which can be specifically selected according to actual production conditions, and the setting range is wide.

Preferably, the thickness of the conductive sheet 15 is 0.05 mm or 0.1 mm or 0.15 mm or 0.2 mm.

Specifically, in order to improve the stability of signal transmission between the speaker 11 and the conductive sheet 15, and facilitate the contact between the two, in the embodiment of the present utility model, as shown in Figures 1 to 3, the metal elastic sheet 16 is inclined It is provided and has an abutting portion 18 contacting with the conductive sheet 15 . The inclined direction of the metal dome 16 gradually inclines from the bottom to the top, toward one side of the conductive sheet 15, so that the abutting portion 18 and the conductive sheet 15 can always keep in contact with each other through the extrusion deformation of the metal dome 16 after installation. state, not only improves the convenience of contact and connection between the metal elastic piece 16 and the conductive piece 15, but also is not easy to loosen under the extrusion of the elastic deformation force, and the electrical connection stability is good. At the same time, in order to further improve the reliability of the contact electrical connection, the abutting portion 18 can also be provided as an arc-shaped convex structure to ensure the stability of the contact.

The embodiment of the utility model also provides a smart watch, as shown in FIG. 4 , including a housing 21 and a battery 22, and also includes the above-mentioned speaker installation structure 1, which is arranged in the housing 21, and A viewing window 23 is opened on the casing 21 , and a display screen 24 is installed in the viewing window 23 , and the battery 22 is arranged between the display screen 24 and the main circuit board 12 . The battery 22 is used for the power supply of the entire smart watch, and the output of image and sound information can be completed through the display screen 24 and the speaker 11. Since the smart watch completes the installation of the internal speaker 11 by setting the speaker installation structure 1, not only the installation stability Good, and the overall internal structure layout is more reasonable and orderly. The installed loudspeaker 11 is located on the side of the housing 21, which facilitates the transmission of sound signals and meets the requirements of production and assembly.

The loudspeaker installation structure and smart watch provided by the utility model, the loudspeaker installation structure 1 adopts a groove 13 on the main circuit board 12, and one end of the loudspeaker 11 is arranged in the groove 13, and passes through the groove 13 Conductive nails 14 are provided on the edge of the speaker 11, and then the speaker 11 and the conductive nail 14 are connected by setting an "L"-shaped conductive sheet 15, so that the metal dome 16 of the speaker 11 is abutted against the conductive sheet 15 in a contact connection manner. This installation structure effectively solves the problem that the motherboard with highly dense components inside the smart watch cannot be arranged and connected to the speaker 11, making the overall structural layout of the smart watch more reasonable and orderly, and meeting the development needs of smart watches for miniaturization.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. a kind of loudspeaker installing structure, including loudspeaker and main circuit board, it is characterised in that offered on the main circuit board Groove, the edge of the adjacent groove are provided with two and are used for for the conductive nail that turns on of loudspeaker contact, the loudspeaker One end be arranged in the groove, each conductive nail is electrically connected with the conductive sheet of " L " shape, one end back-off of the conductive sheet It is connected on the conductive nail, the metal clips of the other end and the loudspeaker connects.

2. loudspeaker installing structure as claimed in claim 1, it is characterised in that set between the conductive nail and the conductive sheet It is equipped with weld layer.

3. loudspeaker installing structure as claimed in claim 1, it is characterised in that electronickelling gold is provided with the conductive sheet Layer.

4. loudspeaker installing structure as claimed in claim 1, it is characterised in that the conductive sheet is copper sheet.

5. loudspeaker installing structure as claimed in claim 1, it is characterised in that the thickness of the conductive sheet for 0.05mm~ 0.2mm。

6. loudspeaker installing structure as claimed in claim 5, it is characterised in that the thickness of the conductive sheet for 0.05mm or 0.1mm or 0.15mm or 0.2mm.

7. the loudspeaker installing structure as any one of claim 1 to 6, it is characterised in that the metal clips tilts Set, and with the abutting part connected with the conductive sheet.

8. a kind of intelligent watch, including housing and battery, it is characterised in that further include as any one of claim 1 to 7 Loudspeaker installing structure, the loudspeaker installing structure is arranged in the housing, and viewing window, institute are offered on the housing State and display screen is installed in viewing window, the battery is arranged between the display screen and the main circuit board.

9. intelligent watch as claimed in claim 8, it is characterised in that the loudspeaker is arranged on the side of the housing.