CN213186474U

CN213186474U - Light transmission device of TWS earphone charging box, TWS earphone charging box and TWS earphone

Info

Publication number: CN213186474U
Application number: CN202021961600.1U
Authority: CN
Inventors: 陈扬东; 叶景清
Original assignee: Jiangxi Lianchuang Hongsheng Electronic Co ltd
Current assignee: Jiangxi Lianchuang Hongsheng Electronic Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-11
Anticipated expiration: 2030-09-09

Abstract

The utility model provides a printing opacity device, TWS earphone of TWS earphone charging box and TWS earphone, the printing opacity device of TWS earphone charging box includes printed circuit board, LED pilot lamp pole, spacing block and printing opacity piece, the welding of LED pilot lamp pole is in printed circuit board's first side, the spacing block is pasted printed circuit board's first side, a plurality of LED pilot lamp pole interval arrangement, be equipped with the isolation chamber that a plurality of runs through in the spacing block, every LED pilot lamp pole corresponds the cover respectively and establishes every isolation intracavity of spacing block, the printing opacity piece is pasted the spacing block is kept away from that one side of printed circuit board. Each LED indicator lamp post is isolated in the isolation cavity of the isolation block, so that the problems of light scattering, light leakage and light crosstalk among the LED indicator lamp posts can be effectively solved.

Description

Light transmission device of TWS earphone charging box, TWS earphone charging box and TWS earphone

Technical Field

The utility model relates to an earphone field especially relates to a printing opacity device, TWS earphone charging box and TWS earphone of TWS earphone charging box.

Background

A TWS headset, also known as a true wireless headset, refers to two headsets and a headset and a mobile device, which are connected in a wireless manner. Because the TWS headset has the problems of small battery capacity and short standby time, the TWS headset is generally used with a headset charging box. The headset charging box may both charge the TWS headset and communicate with the TWS headset.

The TWS earphone charging box is internally provided with a light transmission device generally and is used for lighting and displaying the working state of the TWS earphone, a user can directly observe the working state of the TWS earphone conveniently, and the light transmission device of the existing TWS earphone charging box generally covers an LED indicating lamp to form a light-permeable light guide column so as to protect and guide the LED indicating lamp.

However, there are some drawbacks to the TWS headset charging box using the above light transmission device: adopt the leaded light post of light-permeable to lead light, if to a LED pilot lamp, can satisfy the leaded light demand basically, if lead to a plurality of LED pilot lamps, astigmatism, light leak, the cluster light phenomenon can take place for the light that a plurality of LED pilot lamps sent in the structure, lead to the instruction state that LED pilot lamp can't be discerned clearly in the user use easily, influence the marketing of user's experience effect and product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing opacity device, TWS earphone charging box and TWS earphone of TWS earphone charging box to solve the light that a plurality of LED pilot lamps of prior art sent and take place astigmatism, light leak, cluster light phenomenon in the structure, lead to the problem that can't distinguish the instruction state of LED pilot lamp clearly in the user's use.

The utility model provides a printing opacity device of TWS earphone box that charges, including printed circuit board, LED pilot lamp post, spacing block and printing opacity piece, the welding of LED pilot lamp post is in printed circuit board's first side, the spacing block is pasted printed circuit board's first side, a plurality of LED pilot lamp post interval arrangement, be equipped with the isolation chamber that a plurality of runs through in the spacing block, every the LED pilot lamp post corresponds the cover respectively and establishes every of spacing block keeps apart the intracavity, the printing opacity piece is pasted the spacing block is kept away from that one side of printed circuit board.

According to the utility model provides a printing opacity device of TWS earphone box that charges has following beneficial effect:

the spacing block is pasted on printed circuit board, can effectively prevent the light that LED pilot lamp pole sent from follow the spacing block with reveal between the printed circuit board, every LED pilot lamp pole is kept apart alone in the isolation intracavity of spacing block, can effectively solve astigmatism, light leak, the cluster light problem between LED pilot lamp pole, reinforcing user experience feels, promotes and sells the bright spot.

Additionally, according to the utility model provides a printing opacity device of TWS earphone charging box can also have following additional technical characterstic:

furthermore, the LED indicating lamp lampposts are square, the number of the LED indicating lamp lampposts is four, and the four LED indicating lamp lampposts are arranged in a row at equal intervals.

Furthermore, keep apart the chamber and be square, quantity is four, four keep apart the chamber and arrange into a row with the equidistance.

Furthermore, the isolation block is made of EVA foam, and the thickness of the isolation block is 1.80 mm.

Further, the light-transmitting piece is a milky white semi-transparent Mylar film with the thickness of 0.25 mm.

The utility model also provides a TWS earphone box that charges, TWS earphone charging box includes interior box body, outer box body, lid and the printing opacity device of foretell TWS earphone charging box, interior box body suit is in the outer box body, the lid connects on the outer box body, interior box body upper end is equipped with a mounting groove, the printing opacity device of TWS earphone charging box arranges in the mounting groove, printed circuit board passes through screw fastening connection and is in the mounting groove, outer box body upper end interval be equipped with a plurality of with the printing opacity pilot hole that LED pilot lamp post corresponds.

The utility model also provides a TWS earphone, the TWS earphone includes foretell TWS earphone charging box.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic closed view of a TWS headset charging box according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a TWS headset according to an embodiment of the present invention;

fig. 3 is an exploded view of a light transmission device of a TWS earphone charging box according to an embodiment of the present invention;

fig. 4 is a sectional view showing an assembled state of the light transmission device of the TWS earphone charging box according to the embodiment of the present invention.

Reference numerals: 10. a printed circuit board; 20. LED indicator lamp posts; 30. an isolation block; 31. an isolation chamber; 40. a light transmitting sheet; 50. an inner box body; 60. an outer case; 61. a light transmissive indicator aperture; 70. and (7) a box cover.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 4, the embodiment of the utility model provides a printing opacity device of TWS earphone box that charges, including printed circuit board 10, LED pilot lamp pole 20, spacing block 30 and printing opacity piece 40, the welding of LED pilot lamp pole 20 is in printed circuit board 10's first side, spacing block 30 is pasted printed circuit board 10's first side, a plurality of LED pilot lamp pole 20 interval arrangement, be equipped with the isolation chamber 31 that a plurality of runs through in the spacing block 30, every LED pilot lamp pole 20 corresponds the cover respectively and establishes in every isolation chamber 31 of spacing block 30, printing opacity piece 40 is pasted the spacing block 30 is kept away from that side of printed circuit board 10.

The LED indicating lamp lampposts 20 are square, the number of the LED indicating lamp lampposts is four, and the four LED indicating lamp lampposts 20 are arranged in a row at equal intervals.

The isolation cavities 31 are square, the number of the isolation cavities is four, and the isolation cavities 31 are arranged in a row at equal intervals.

The isolation block 30 is made of EVA foam and has a thickness of 1.80 mm.

The light-transmitting sheet 40 is a milky-white semi-transparent Mylar film with the thickness of 0.25 mm. The Mylar film has stable size, flatness, excellent tear strength, heat resistance, cold resistance, moisture resistance, water resistance, chemical corrosion resistance, super-strong insulating property and excellent electrical, mechanical, heat resistance and chemical resistance.

The working principle is as follows: when the TWS headset is in different states such as open cover, close cover, charge, full power, low power, etc., the LED indicator lamppost 20 is in a light emitting state with different color combinations, and light emitted from the LED indicator lamppost 20 is guided by the isolation cavity 31, passes through the light-transmitting sheet 40, and is emitted from the light-transmitting indicator hole 61.

To sum up, the utility model provides a pair of take TWS earphone charging box of LED light-transmitting structure, beneficial effect lies in: the spacing block 30 is pasted on printed circuit board 10, can effectively prevent the light that LED pilot lamp pole 20 sent is followed spacing block 30 with reveal between the printed circuit board 10, every LED pilot lamp pole 20 is kept apart alone in the isolation chamber 31 of spacing block 30, can effectively solve astigmatism, light leak, the cluster light problem between LED pilot lamp pole 20, reinforcing user experience feels, promotes the point of sale.

The embodiment of the utility model provides a TWS earphone charging box is still provided, TWS earphone charging box includes interior box body 50, outer box body 60, lid 70 and foretell TWS earphone charging box's printing opacity device, interior box body 50 suit is in outer box body 60, lid 70 cup joints on outer box body 60, interior box body 50 upper end is equipped with a mounting groove, the printing opacity device of TWS earphone charging box arranges in the mounting groove, printed circuit board 10 passes through screw fastening and connects in the mounting groove, outer box body 60 upper end interval be equipped with a plurality of with the printing opacity pilot hole 61 that LED pilot lamp post 20 corresponds.

The number of the light-transmitting indicating holes 61 is four, the four light-transmitting indicating holes 61 are arranged in a row at equal intervals, and the position of each light-transmitting indicating hole 61 is correspondingly arranged on the central line of the LED indicating lamp post 20.

The embodiment of the utility model provides a TWS earphone is still provided, the TWS earphone includes foretell TWS earphone charging box.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a printing opacity device of TWS earphone box that charges, its characterized in that, includes printed circuit board, LED pilot lamp post, spacing block and printing opacity piece, the welding of LED pilot lamp post is in printed circuit board's first side, the spacing block is pasted printed circuit board's first side, a plurality of LED pilot lamp post interval arrangement, be equipped with the isolation chamber that a plurality of runs through in the spacing block, every the LED pilot lamp post corresponds the cover respectively and establishes every isolation intracavity of spacing block, the printing opacity piece is pasted the spacing block is kept away from that side of printed circuit board.

2. The light transmission device of a TWS earphone charging box according to claim 1, wherein the LED indicator light posts are square and four in number, and the four LED indicator light posts are arranged in a row at equal intervals.

3. The light transmission device of a TWS earphone charging box according to claim 1, wherein the isolation chambers are square and four in number, and four of the isolation chambers are arranged in a row at equal intervals.

4. The light transmission device of a TWS earphone charging box according to claim 1, wherein the spacer block is EVA foam having a thickness of 1.80 mm.

5. The light transmission device of a TWS earphone charging box according to claim 1, wherein the light transmission sheet is a milky white mylar sheet having a thickness of 0.25 mm.

6. A TWS earphone charging box, characterized in that, including interior box body, outer box body, lid and the printing opacity device of TWS earphone charging box of any of claims 1-5, interior box body suit is in the outer box body, the lid cup joints on the outer box body, interior box body upper end is equipped with a mounting groove, the printing opacity device of TWS earphone charging box is arranged in the mounting groove, printed circuit board passes through screw fastening connection and is in the mounting groove, outer box body upper end interval be equipped with a plurality of with the printing opacity pilot hole that LED pilot lamp post corresponds.

7. A TWS headset comprising the TWS headset charging cartridge of claim 6.