TWS earphone charging box with colorful lamp

Abstract

The utility model discloses a TWS earphone charging box with a colorful lamp, which belongs to the technical field of TWS earphone charging boxes, and comprises a box body, a box cover is arranged above the box body, the box cover is connected with the box body through a hinge, a charging panel is arranged in the box body and below the hinge, a storage battery and a control panel are respectively arranged in the box body, and the storage battery and the control panel are connected with the box body. The control panel is connected with the charging panel through a flat cable, a charging socket is installed on the charging panel, a left RGB light source and a right RGB light source are installed on the charging panel and located on the two sides of the charging socket respectively, optical fiber lamp tubes corresponding to the left RGB light source and the right RGB light source are further arranged in the box body in a surrounding mode, and the part, corresponding to the optical fiber lamp tubes, of the box body is of a transparent structure. According to the utility model, the left RGB light source and the right RGB light source are respectively arranged in the box body, and light is conducted through the optical fiber lamp tube, so that the box body has the effect of a colorful lamp, thereby not only bringing visual impact to consumers, but also increasing colors for products.

Description

Technical Field

[0001] The utility model belongs to the technical field of TWS earphone charging boxes, and specifically relates to a TWS earphone charging box with colorful lights. Background Art

[0002] With the continuous development of electronic technology, people pay more attention to the portability of accessories such as headphones when using electronic devices such as mobile phones and tablets. For example, True Wireless Stereo (TWS) headphones are wireless headphones. After the electronic device connects to the headphones through wireless communication, it can send electrical signals to the TWS headphones through wireless communication. TWS headphones can receive electrical signals sent by electronic devices through wireless communication circuits and convert them into sound signals for playback. TWS headphones need to be used with a charging box.

[0003] However, the TWS earphone charging box in the prior art has a relatively simple visual effect and no outstanding highlights. Therefore, there is an urgent need for a TWS earphone charging box with colorful lights to add RGB lighting effects, which not only brings visual impact to consumers, but also adds color to the product. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a TWS earphone charging box with colorful lights, which not only brings visual impact to consumers, but also adds color to the product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a TWS earphone charging box with colorful lights, comprising a box body, a box cover is arranged on the top of the box body, the box cover and the box body are connected by a hinge, a charging board is installed inside the box body below the hinge, a battery and a control board are also installed inside the box body, the control board and the charging board are connected by a cable, a charging socket is installed on the charging board, and a left RGB light source and a right RGB light source are respectively installed on both sides of the charging socket on the charging board, the interior of the box body is also surrounded by optical fiber lamp tubes corresponding to the left RGB light source and the right RGB light source, and the part of the box body corresponding to the optical fiber lamp tube is a transparent structure.

[0006] In order to achieve different light effects under different working conditions, a Hall switch is further installed on the charging board.

[0007] In order to control the working status of the left RGB light source and the right RGB light source, a control circuit is further provided on the control board, and the control circuit includes a main control chip, and the KEY pin and BAT pin of the main control chip are both connected to the Hall switch, and the BAT pin of the main control chip is also respectively connected to the left RGB light source and the right RGB light source.

[0008] In order to control the BLUE light effect of the left RGB light source, the control circuit further includes a first PWM voltage management circuit, which includes a transistor Q1, the base of the transistor Q1 is respectively connected to the capacitor C7 and one end of the resistor R29, the other end of the resistor R29 is connected to the LED2 pin of the main control chip, the collector of the transistor Q1 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the L_B pin of the left RGB light source, and the emitter of the transistor Q1 and the other end of the capacitor C7 are respectively connected to the ground end.

[0009] In order to control the RED light effect of the left RGB light source, the control circuit further includes a second PWM voltage management circuit, which includes a transistor Q2, the base of which is respectively connected to the capacitor C8 and one end of the resistor R4, the other end of the resistor R4 is connected to the LED3 pin of the main control chip, the collector of the transistor Q2 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the L_R pin of the left RGB light source, and the emitter of the transistor Q2 and the other end of the capacitor C8 are respectively connected to the ground end.

[0010] In order to control the GREEN light effect of the left RGB light source, the control circuit further includes a third PWM voltage management circuit, which includes a transistor Q3, the base of which is respectively connected to the capacitor C10 and one end of the resistor R6, the other end of the resistor R6 is connected to the LED4 pin of the main control chip, the collector of the transistor Q3 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the L_G pin of the left RGB light source, and the emitter of the transistor Q3 and the other end of the capacitor C10 are respectively connected to the ground end.

[0011] In order to control the BLUE light effect of the right RGB light source, the control circuit further includes a fourth PWM voltage management circuit, which includes a transistor Q4, the base of which is respectively connected to the capacitor C12 and one end of the resistor R33, the other end of the resistor R33 is connected to the LED1 pin of the main control chip, the collector of the transistor Q4 is connected to one end of the resistor R27, the other end of the resistor R27 is connected to the R_B pin of the right RGB light source, and the emitter of the transistor Q4 and the other end of the capacitor C12 are respectively connected to the ground end.

[0012] In order to control the GREEN light effect of the right RGB light source, the control circuit further includes a fifth PWM voltage management circuit, which includes a transistor Q5, the base of which is respectively connected to the capacitor C13 and one end of the resistor R34, the other end of the resistor R34 is connected to the GPIO2 pin of the main control chip, the collector of the transistor Q5 is connected to one end of the resistor R20, the other end of the resistor R20 is connected to the R_G pin of the right RGB light source, and the emitter of the transistor Q5 and the other end of the capacitor C13 are respectively connected to the ground.

[0013] In order to control the RED light effect of the right RGB light source, the control circuit further includes a sixth PWM voltage management circuit, which includes a transistor Q6, the base of which is respectively connected to the capacitor C14 and one end of the resistor R35, the other end of the resistor R35 is connected to the GPIO1 pin of the main control chip, the collector of the transistor Q6 is connected to one end of the resistor R24, the other end of the resistor R24 ​​is connected to the R_R pin of the right RGB light source, and the emitter of the transistor Q6 and the other end of the capacitor C14 are respectively connected to the ground end.

[0014] In order to perform overvoltage protection, the control circuit further includes an overvoltage protection circuit, the input end of the overvoltage protection circuit is connected to the charging socket, and the output end of the overvoltage protection circuit is connected to the VIN pin of the main control chip.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model sets a left RGB light source and a right RGB light source inside the box body, and transmits the light through the optical fiber lamp tube, so that the box body has the effect of colorful lights, which not only brings visual impact to consumers, but also adds color to the product;

[0017] 2. The charging board of the utility model is also equipped with a Hall switch, which detects the opening and closing status of the box cover and cooperates with the main control chip to detect the input of the external power supply to achieve different light effects under different working conditions;

[0018] 3. The utility model realizes the control of the left RGB light source and the right RGB light source through the cooperation of the main control chip and the PWM voltage management circuit, so as to achieve different light effects under different working states;

[0019] 4. The utility model is also provided with an overvoltage protection circuit, through which overvoltage protection is performed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the charging board of the utility model;

[0024] Figure 4 This is a block diagram of the control circuit connection on the control board of the utility model;

[0025] Figure 5 This is the circuit diagram of the main control chip of the utility model;

[0026] Figure 6 The circuit diagram of the first PWM voltage management circuit of the utility model is

[0027] Figure 7 The circuit diagram of the second PWM voltage management circuit of the utility model is

[0028] Figure 8 The circuit diagram of the third PWM voltage management circuit of the utility model is

[0029] Fig. 9 The circuit diagram of the fourth PWM voltage management circuit of the utility model is

[0030] Fig.10 The circuit diagram of the fifth PWM voltage management circuit of the utility model is

[0031] Fig.11 is a circuit diagram of a sixth PWM voltage management circuit of the utility model;

[0032] Fig.12 This is the circuit diagram of the left RGB light source of the utility model;

[0033] Fig.13 This is the circuit diagram of the right RGB light source of the utility model;

[0034] Fig.14 This is a circuit diagram of the overvoltage protection circuit of the utility model;

[0035] In the figure: 1. box body; 2. box cover; 3. hinge; 4. charging board; 41. charging socket; 42. left RGB light source; 43. right RGB light source; 44. Hall switch; 5. battery; 6. fiber optic lamp; 7. control board; 71. main control chip; 72. overvoltage protection circuit; 73. first PWM voltage management circuit; 74. second PWM voltage management circuit; 75. third PWM voltage management; 76. fourth PWM voltage management circuit; 77. fifth PWM voltage management circuit; 78. sixth PWM voltage management circuit. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] Example 1

[0038] See also Figure 1-14 The utility model provides the following technical solutions: a TWS earphone charging box with colorful lights, comprising a box body 1, a box cover 2 is arranged on the top of the box body 1, the box cover 2 is connected to the box body 1 by a hinge 3, a charging board 4 is installed inside the box body 1 below the hinge 3, a battery 5 and a control board 7 are also installed inside the box body 1, the control board 7 is connected to the charging board 4 by a cable, a charging socket 41 is installed on the charging board 4, and a left RGB light source 42 and a right RGB light source 43 are respectively installed on both sides of the charging socket 41 on the charging board 4, the interior of the box body 1 is also surrounded by optical fiber lamp tubes 6 corresponding to the left RGB light source 42 and the right RGB light source 43, and the part of the box body 1 corresponding to the optical fiber lamp tube 6 is a transparent structure.

[0039] By adopting the above technical solution, the utility model respectively arranges a left RGB light source 42 and a right RGB light source 43 inside the box body 1, and transmits light through the optical fiber lamp tube 6, so that the box body 1 has the effect of colorful lights, which not only brings visual impact to consumers, but also adds color to the product.

[0040] Specifically, a Hall switch 44 is also installed on the charging board 4 .

[0041] By adopting the above technical solution, the Hall switch 44 detects the opening and closing state of the box cover 2, and cooperates with the main control chip 71 to detect the input of the external power supply, so as to achieve different light effects under different working states.

[0042] Specifically, a control circuit is provided on the control board 7, and the control circuit includes a main control chip 71. The KEY pin and BAT pin of the main control chip 71 are connected to the Hall switch 44, and the BAT pin of the main control chip 71 is also connected to the left RGB light source 42 and the right RGB light source 43 respectively.

[0043] By adopting the above technical solution, the working states of the left RGB light source 42 and the right RGB light source 43 are controlled.

[0044] Example 2

[0045] The present embodiment is different from the first embodiment in that: specifically, the control circuit further includes a first PWM voltage management circuit 73, the first PWM voltage management circuit 73 includes a transistor Q1, the base of the transistor Q1 is respectively connected to the capacitor C7 and one end of the resistor R29, the other end of the resistor R29 is connected to the LED2 pin of the main control chip 71, the collector of the transistor Q1 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the L_B pin of the left RGB light source 42, and the emitter of the transistor Q1 and the other end of the capacitor C7 are respectively connected to the ground.

[0046] The above technical solution is used to control the BLUE light effect of the left RGB light source 42 .

[0047] Specifically, the control circuit also includes a second PWM voltage management circuit 74, which includes a transistor Q2, the base of which is respectively connected to a capacitor C8 and one end of a resistor R4, the other end of the resistor R4 is connected to the LED3 pin of the main control chip 71, the collector of the transistor Q2 is connected to one end of a resistor R5, the other end of the resistor R5 is connected to the L_R pin of the left RGB light source 42, and the emitter of the transistor Q2 and the other end of the capacitor C8 are respectively connected to the ground end.

[0048] The above technical solution is used to control the RED light effect of the left RGB light source 42 .

[0049] Specifically, the control circuit also includes a third PWM voltage management circuit 75, which includes a transistor Q3, the base of which is respectively connected to a capacitor C10 and one end of a resistor R6, the other end of the resistor R6 is connected to the LED4 pin of the main control chip 71, the collector of the transistor Q3 is connected to one end of a resistor R7, the other end of the resistor R7 is connected to the L_G pin of the left RGB light source 42, and the emitter of the transistor Q3 and the other end of the capacitor C10 are respectively connected to the ground end.

[0050] The above technical solution is used to control the GREEN light effect of the left RGB light source 42.

[0051] Specifically, the control circuit also includes a fourth PWM voltage management circuit 76, which includes a transistor Q4, the base of which is respectively connected to the capacitor C12 and one end of the resistor R33, the other end of the resistor R33 is connected to the LED1 pin of the main control chip 71, the collector of the transistor Q4 is connected to one end of the resistor R27, the other end of the resistor R27 is connected to the R_B pin of the right RGB light source 43, and the emitter of the transistor Q4 and the other end of the capacitor C12 are respectively connected to the ground end.

[0052] The above technical solution is used to control the BLUE light effect of the right RGB light source 43.

[0053] Specifically, the control circuit also includes a fifth PWM voltage management circuit 77, which includes a transistor Q5, the base of which is respectively connected to the capacitor C13 and one end of the resistor R34, the other end of the resistor R34 is connected to the GPIO2 pin of the main control chip 71, the collector of the transistor Q5 is connected to one end of the resistor R20, the other end of the resistor R20 is connected to the R_G pin of the right RGB light source 43, and the emitter of the transistor Q5 and the other end of the capacitor C13 are respectively connected to the ground end.

[0054] The above technical solution is used to control the GREEN light effect of the right RGB light source 43.

[0055] Specifically, the control circuit also includes a sixth PWM voltage management circuit 78, which includes a transistor Q6, the base of which is respectively connected to the capacitor C14 and one end of the resistor R35, the other end of the resistor R35 is connected to the GPIO1 pin of the main control chip 71, the collector of the transistor Q6 is connected to one end of the resistor R24, the other end of the resistor R24 ​​is connected to the R_R pin of the right RGB light source 43, and the emitter of the transistor Q6 and the other end of the capacitor C14 are respectively connected to the ground end.

[0056] The above technical solution is used to control the RED light effect of the right RGB light source 43.

[0057] Example 3

[0058] The present embodiment is different from the first embodiment in that: specifically, the control circuit further includes an overvoltage protection circuit 72 , the input end of the overvoltage protection circuit 72 is connected to the charging socket 41 , and the output end of the overvoltage protection circuit 72 is connected to the VIN pin of the main control chip 71 .

[0059] The above technical solution is used for overvoltage protection.

[0060] In summary, the utility model respectively arranges a left RGB light source 42 and a right RGB light source 43 inside the box body 1, and transmits light through the optical fiber lamp tube 6, so that the box body 1 has the effect of colorful lights, which not only brings visual impact to consumers, but also adds color to the product; the utility model also installs a Hall switch 44 on the charging plate 4, and detects the opening and closing state of the box cover 2 through the Hall switch 44, and cooperates with the main control chip 71 to detect the input of the external power supply, so as to realize different light effects under different working conditions; the utility model realizes the control of the left RGB light source 42 and the right RGB light source 43 through the main control chip 71 and the PWM voltage management circuit, so as to realize different light effects under different working conditions; the utility model also arranges an overvoltage protection circuit 72, and performs overvoltage protection through the overvoltage protection circuit 72.

[0061] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A TWS earphone charging box with colorful lights, characterized by: The box body comprises a box body, a box cover is arranged on the top of the box body, the box cover and the box body are connected by a hinge, a charging board is installed inside the box body below the hinge, a battery and a control board are also installed inside the box body, the control board and the charging board are connected by a cable, a charging socket is installed on the charging board, a left RGB light source and a right RGB light source are respectively installed on both sides of the charging socket on the charging board, the interior of the box body is also surrounded by optical fiber lamp tubes corresponding to the left RGB light source and the right RGB light source, and the part of the box body corresponding to the optical fiber lamp tube is a transparent structure.

2. A TWS earphone charging box with colorful lights according to claim 1, characterized in that: A Hall switch is also installed on the charging board.

3. A TWS earphone charging box with colorful lights according to claim 2, characterized in that: The control board is provided with a control circuit, which includes a main control chip. The KEY pin and BAT pin of the main control chip are both connected to the Hall switch, and the BAT pin of the main control chip is also connected to the left RGB light source and the right RGB light source respectively.

4. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a first PWM voltage management circuit, which includes a transistor Q1, the base of the transistor Q1 is respectively connected to the capacitor C7 and one end of the resistor R29, the other end of the resistor R29 is connected to the LED2 pin of the main control chip, the collector of the transistor Q1 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the L_B pin of the left RGB light source, and the emitter of the transistor Q1 and the other end of the capacitor C7 are respectively connected to the ground end.

5. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a second PWM voltage management circuit, which includes a transistor Q2, the base of the transistor Q2 is respectively connected to the capacitor C8 and one end of the resistor R4, the other end of the resistor R4 is connected to the LED3 pin of the main control chip, the collector of the transistor Q2 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the L_R pin of the left RGB light source, and the emitter of the transistor Q2 and the other end of the capacitor C8 are respectively connected to the ground end.

6. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a third PWM voltage management circuit, which includes a transistor Q3, the base of the transistor Q3 is respectively connected to the capacitor C10 and one end of the resistor R6, the other end of the resistor R6 is connected to the LED4 pin of the main control chip, the collector of the transistor Q3 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to the L_G pin of the left RGB light source, and the emitter of the transistor Q3 and the other end of the capacitor C10 are respectively connected to the ground end.

7. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a fourth PWM voltage management circuit, which includes a transistor Q4, the base of which is respectively connected to the capacitor C12 and one end of the resistor R33, the other end of the resistor R33 is connected to the LED1 pin of the main control chip, the collector of the transistor Q4 is connected to one end of the resistor R27, the other end of the resistor R27 is connected to the R_B pin of the right RGB light source, and the emitter of the transistor Q4 and the other end of the capacitor C12 are respectively connected to the ground end.

8. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a fifth PWM voltage management circuit, which includes a transistor Q5, the base of which is respectively connected to the capacitor C13 and one end of the resistor R34, the other end of the resistor R34 is connected to the GPIO2 pin of the main control chip, the collector of the transistor Q5 is connected to one end of the resistor R20, the other end of the resistor R20 is connected to the R_G pin of the right RGB light source, and the emitter of the transistor Q5 and the other end of the capacitor C13 are respectively connected to the ground end.

9. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes a sixth PWM voltage management circuit, which includes a transistor Q6, the base of the transistor Q6 is respectively connected to the capacitor C14 and one end of the resistor R35, the other end of the resistor R35 is connected to the GPIO1 pin of the main control chip, the collector of the transistor Q6 is connected to one end of the resistor R24, the other end of the resistor R24 ​​is connected to the R_R pin of the right RGB light source, and the emitter of the transistor Q6 and the other end of the capacitor C14 are respectively connected to the ground end.

10. A TWS earphone charging box with colorful lights according to claim 3, characterized in that: The control circuit also includes an overvoltage protection circuit, the input end of the overvoltage protection circuit is connected to the charging socket, and the output end of the overvoltage protection circuit is connected to the VIN pin of the main control chip.

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