CN209748223U - earphone charging box subassembly - Google Patents
earphone charging box subassembly Download PDFInfo
- Publication number
- CN209748223U CN209748223U CN201920512314.8U CN201920512314U CN209748223U CN 209748223 U CN209748223 U CN 209748223U CN 201920512314 U CN201920512314 U CN 201920512314U CN 209748223 U CN209748223 U CN 209748223U
- Authority
- CN
- China
- Prior art keywords
- charging
- earphone
- charging box
- circuit board
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an earphone charging box component, this earphone charging box component includes the charging box and installs the earphone in the charging box at least, have the appearance chamber of accommodating this earphone in the charging box, and this charging box upper end is provided with the flip that is used for opening or closing this appearance chamber, be provided with charging circuit board and the first battery with this charging circuit board electric connection in the charging box, this charging circuit board includes at least a set of anodal charging conductive electrode and negative pole charging conductive electrode, and this anodal charging conductive electrode and negative pole charging conductive electrode all arrange in this appearance chamber to correspond with anodal charging conductive contact and negative pole charging conductive contact in the earphone respectively and lead; the charging circuit board further comprises a Hall switch used for detecting that the flip cover is opened to drive the earphone to be started, a magnet matched with the Hall switch is arranged on the flip cover, and when the flip cover is covered on the upper end of the charging box, the Hall switch is in butt joint with the magnet.
Description
The technical field is as follows:
The utility model relates to an electronic product technical field refers in particular to an earphone box subassembly that charges.
background art:
A TWS headset (True Wireless headset) is an electronic device that wirelessly connects to an intelligent terminal using Wireless technology to perform a call or play audio data in the intelligent terminal. TWS is a wireless device that requires the use of electrical energy to maintain its normal operation. At present, the earphone is mainly charged by using a charging box. Be provided with the recess in the box that charges, there is the metal interface in the recess, when the earphone inserted the recess of the box that charges, the metal interface of earphone switched on with the interface of the box that charges promptly, and at this moment, the box that charges can charge or the communication to the earphone.
In the prior art, the charging box can only charge the earphone, and the function is single, so that the use requirement of a consumer cannot be met.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide an earphone box subassembly that charges.
In order to solve the technical problem, the utility model discloses a following technical scheme: the earphone charging box assembly comprises a charging box and an earphone at least arranged in the charging box, wherein the charging box is provided with a containing cavity for containing the earphone, the upper end of the charging box is provided with a flip cover for opening or closing the containing cavity, the charging box is internally provided with a charging circuit board and a first battery electrically connected with the charging circuit board, the charging circuit board comprises at least one group of positive charging conductive electrode and negative charging conductive electrode, and the positive charging conductive electrode and the negative charging conductive electrode are both arranged in the containing cavity and are respectively in corresponding conduction with a positive charging conductive contact and a negative charging conductive contact in the earphone; the charging circuit board further comprises a Hall switch used for detecting that the flip cover is opened to drive the earphone to be started, a magnet matched with the Hall switch is arranged on the flip cover, and when the flip cover is covered on the upper end of the charging box, the Hall switch is in butt joint with the magnet.
furthermore, in the above technical solution, the charging circuit board is further provided with a main control chip, and the hall switch and the positive charging conductive electrode are respectively connected with the main control chip.
Further, in the above technical solution, the charging circuit board is further provided with a power management unit, and the power management unit is connected to the first battery.
Further, in the above technical solution, the power management unit includes a power management chip, and a resistor R13, a capacitor C11 and a first ESD bidirectional electrostatic protection diode connected to the power management chip, and the resistor R13 and the capacitor C11 are connected to the positive electrode and the negative electrode of the first battery.
Further, in the above technical solution, the positive charging conductive electrode and the negative charging conductive electrode are spring pins.
Furthermore, in the above technical solution, the charging circuit board further includes a USB charging interface and a charging circuit connected to the USB charging interface, the charging circuit is connected to the first battery, and the charging circuit is further connected to the main control chip and the positive charging conductive electrode.
further, in the above technical solution, the charging circuit board further includes at least one group of charging detection loops, the charging detection loop includes an MOS transistor Q4, a G pole of the MOS transistor Q4 is connected to the main control chip, a D pole of the MOS transistor Q4 is connected to the negative charging conductive contact in the earphone, and a D pole of the MOS transistor Q4 is also connected to the main control chip after being connected to the first resistor; the S pole of the MOS transistor Q4 is connected with the second resistor and then grounded, and the S pole of the MOS transistor Q4 is also connected with the third resistor and then connected with the main control chip.
Furthermore, in the above technical solution, the inside PCB and the second battery that is electrically connected with the PCB that are provided with of earphone, this PCB is including bluetooth audio system level chip, and this bluetooth audio system level chip connects the second battery, is provided with the two-way electrostatic protection diode of second ESD between this positive pole charging conductive contact and the negative pole charging conductive contact, and this negative pole charging conductive contact is ground connection, and this positive pole charging conductive contact connects this bluetooth audio system level chip.
further, in the above technical solution, the model of the bluetooth audio system-on-chip is QCC 3026.
Furthermore, in the above technical solution, an in-ear detection circuit for controlling the earphone to automatically play music and automatically suspend when the earphone is worn in the ear and taking off the earphone is provided on the PCB, the in-ear detection circuit includes a first chip and a light sensor connected to the first chip, and the first chip is connected to the bluetooth audio system level chip.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: when the earphone is used, the earphone is loaded in the containing cavity of the charging box, the flip cover is covered, at the moment, the magnet on the flip cover corresponds to the Hall switch, and the positive charging conductive electrode and the negative charging conductive electrode in the inner cavity of the charging box are respectively in corresponding conduction with the positive charging conductive contact and the negative charging conductive contact in the earphone, so that charging can be realized, and signals can be transmitted; when the earphone needs to be taken out and used, the flip cover is opened, at the moment, the magnet on the flip cover leaves the Hall switch, the Hall switch can send a signal to the charging circuit board, and the charging circuit board transmits the signal to the earphone to drive the earphone to be automatically started. That is to say, the utility model provides a box that charges not only can charge the earphone, still can communicate, and this charging circuit board can be detecting flip and open the back, and transfer signal to earphone orders about the automatic start of earphone to this realizes the purpose of earphone automatic start after opening flip, and it is very convenient to use, the order the utility model discloses extremely strong market competition has.
description of the drawings:
Fig. 1 is a perspective view of the present invention;
Fig. 2 is a perspective view of the utility model with the flip open;
Fig. 3 is a perspective view of the charging box according to the present invention after the flip cover is opened;
Fig. 4 is a perspective view of the earphone of the present invention;
Fig. 5 is a circuit diagram of the charging circuit board of the present invention;
Fig. 6 is a circuit diagram of the PCB board of the present invention.
The specific implementation mode is as follows:
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
as shown in fig. 1-6, an earphone charging box assembly is provided, which includes a charging box 1 and an earphone 2 at least installed in the charging box 1, wherein the charging box 1 has a cavity 11 for accommodating the earphone 2, and a flip 12 for opening or closing the cavity 11 is disposed at an upper end of the charging box 1, a charging circuit board 3 and a first battery 4 electrically connected to the charging circuit board 3 are disposed in the charging box 1, the charging circuit board 3 includes at least one set of a positive charging conductive electrode 31 and a negative charging conductive electrode 32, the positive charging conductive electrode 31 and the negative charging conductive electrode 32 are both disposed in the cavity 11 and respectively connected to a positive charging conductive contact 21 and a negative charging conductive contact 22 in the earphone 2; the charging circuit board 3 further includes a hall switch 33 for detecting that the flip 12 is opened and then driving the earphone 2 to be turned on, the flip 12 is provided with a magnet 121 adapted to the hall switch 33, and when the flip 12 covers the upper end of the charging box 1, the hall switch 33 is abutted to the magnet 121. When the utility model is used, the earphone 2 is loaded in the containing cavity 11 of the charging box 1, the flip cover 12 is covered, at the moment, the magnet 121 on the flip cover 12 corresponds to the hall switch 33, and the positive charging conductive electrode 31 and the negative charging conductive electrode 32 in the inner cavity of the charging box 1 are respectively correspondingly connected with the positive charging conductive contact 21 and the negative charging conductive contact 22 in the earphone 2, thereby realizing charging and transmitting signals; when the earphone 2 needs to be taken out and used, the flip 12 is opened, at this time, the magnet 121 on the flip 12 leaves the hall switch 33, the hall switch 33 sends a signal to the charging circuit board 3, and the charging circuit board 3 transmits the signal to the earphone 2 to drive the earphone 2 to be automatically turned on. That is to say, the utility model provides a box that charges not only can charge the earphone, still can communicate, and this charging circuit board 3 can be after detecting flip 12 and open, and transfer signal to earphone orders about the automatic start of earphone to this realizes the purpose of earphone automatic start after opening flip, and it is very convenient to use, makes the utility model discloses extremely strong market competition has.
The charging circuit board 3 is further provided with a main control chip 34, and the hall switch 33 and the positive charging conductive electrode 31 are respectively connected with the main control chip 34.
The charging circuit board 3 is further provided with a power management unit 35, and the power management unit 35 is connected with the first battery 4. The power management unit 35 includes a power management chip 351, a resistor R13 connected to the power management chip 351, a capacitor C11, and a first ESD bidirectional ESD protection diode 352, wherein the resistor R13 and the capacitor C11 are connected to the positive electrode and the negative electrode of the first battery 4. The power management chip 351 and the first ESD bi-directional ESD protection diode 352 can protect the first battery well.
the positive charging conductive electrode 31 and the negative charging conductive electrode 32 are spring pins, and the conduction is more stable.
The charging circuit board 3 further includes a USB charging interface 36 and a charging circuit 37 connected to the USB charging interface 36, the charging circuit 37 is connected to the first battery 4, and the charging circuit 37 is further connected to the main control chip 34 and the positive charging conductive electrode 31.
the charging circuit board 3 further includes at least one group of charging detection loops 38, the charging detection loops 38 include an MOS transistor Q4, a G pole of the MOS transistor Q4 is connected to the main control chip 34, a D pole of the MOS transistor Q4 is connected to the negative charging conductive contact 22 in the earphone 2, and a D pole of the MOS transistor Q4 is also connected to the main control chip 34 after being connected to a first resistor; the S pole of the MOS transistor Q4 is connected with the second resistor and then grounded, and the S pole of the MOS transistor Q4 is also connected with the third resistor and then connected with the main control chip 34. In operation, when the earphone needs to be charged, the main control chip 34 controls the MOS transistor Q4 to be turned on, so that the negative charging conductive electrode 32 in the inner cavity of the charging box 1 is grounded, and the charging loop 37 charges the earphone through the positive charging conductive electrode 31. When the earphone is taken out, the positive charging conductive contact 21 and the negative charging conductive contact 22 in the earphone 2 leave the positive charging conductive electrode 31 and the negative charging conductive electrode 32 in the inner cavity of the charging box 1, and at the moment, when the earphone detects that the positive charging conductive contact 21 and the negative charging conductive contact 22 leave the positive charging conductive electrode 31 and the negative charging conductive electrode 32 in the inner cavity of the charging box 1, the earphone 2 automatically enters bluetooth or invisible pairing, so that the earphone is very convenient to use.
The inside PCB board 5 that is provided with of earphone 2 and with this PCB board 5 electric connection's second battery 6, this PCB board 5 is including bluetooth audio frequency system level chip 51, and this bluetooth audio frequency system level chip 51 is connected second battery 6, and this anodal conductive contact 21 that charges and is provided with the two-way electrostatic protection diode 23 of second ESD between the conductive contact 22 that charges, this negative pole charging conductive contact 22 ground connection, this anodal conductive contact 21 that charges connect this bluetooth audio frequency system level chip 51.
The model of the bluetooth audio system-on-chip 51 is QCC 3026.
The PCB 5 is provided with an in-ear detection circuit 52 for controlling the earphone to automatically play music and automatically pause when the earphone is worn in the ear, the in-ear detection circuit 52 comprises a first chip 521 and a light sensor 522 connected with the first chip 521, and the first chip 521 is connected with the Bluetooth audio system level chip 51. When wearing the earphone into the ear, light is shielded to detected the back by photo sensor 522, this photo sensor 522 can transmit a signal to bluetooth audio system level chip 51, and this bluetooth audio system level chip 51 control earphone realizes the instant music, takes off the back light and is not sheltered from, then this bluetooth audio system level chip 51 control earphone realizes the pause function, and it is very convenient to use.
to sum up, the utility model discloses when using, load earphone 2 in the appearance chamber 11 of this box 1 that charges, and cover flip 12, at this moment, magnet 121 on this flip 12 corresponds with hall switch 33, and positive pole charging conductive electrode 31 and negative pole charging conductive electrode 32 in this box 1 inner chamber that charges correspond with anodal charging conductive contact 21 and negative pole charging conductive contact 22 in earphone 2 respectively and lead, not only can realize charging, but also can transmit signal; when the earphone 2 needs to be taken out and used, the flip 12 is opened, at this time, the magnet 121 on the flip 12 leaves the hall switch 33, the hall switch 33 sends a signal to the charging circuit board 3, and the charging circuit board 3 transmits the signal to the earphone 2 to drive the earphone 2 to be automatically turned on. That is to say, the utility model provides a box that charges not only can charge the earphone, still can communicate, and this charging circuit board 3 can be after detecting flip 12 and open, and transfer signal to earphone orders about the automatic start of earphone to this realizes the purpose of earphone automatic start after opening flip, and it is very convenient to use, makes the utility model discloses extremely strong market competition has.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides an earphone charging box subassembly, its includes charging box (1) and installs earphone (2) in charging box (1) at least, its characterized in that:
The earphone comprises a charging box (1), wherein the charging box (1) is internally provided with a containing cavity (11) for containing the earphone (2), the upper end of the charging box (1) is provided with a flip cover (12) for opening or closing the containing cavity (11), the charging box (1) is internally provided with a charging circuit board (3) and a first battery (4) electrically connected with the charging circuit board (3), the charging circuit board (3) comprises at least one group of positive charging conductive electrodes (31) and negative charging conductive electrodes (32), and the positive charging conductive electrodes (31) and the negative charging conductive electrodes (32) are arranged in the containing cavity (11) and are respectively in corresponding conduction with a positive charging conductive contact (21) and a negative charging conductive contact (22) in the earphone (2); the charging circuit board (3) further comprises a Hall switch (33) used for detecting that the earphone (2) is started after the flip cover (12) is opened, a magnet (121) matched with the Hall switch (33) is arranged on the flip cover (12), and when the flip cover (12) covers the upper end of the charging box (1), the Hall switch (33) is in butt joint with the magnet (121).
2. The earphone charging box assembly of claim 1, wherein: the charging circuit board (3) is further provided with a main control chip (34), and the Hall switch (33) and the positive charging conductive electrode (31) are respectively connected with the main control chip (34).
3. The earphone charging box assembly of claim 1, wherein: the charging circuit board (3) is also provided with a power management unit (35), and the power management unit (35) is connected with the first battery (4).
4. The earphone charging box assembly of claim 3, wherein: the power management unit (35) comprises a power management chip (351), a resistor R13 connected with the power management chip (351), a capacitor C11 and a first ESD bidirectional electrostatic protection diode (352), wherein the resistor R13 and the capacitor C11 are connected with the positive electrode and the negative electrode of the first battery (4).
5. The earphone charging box assembly of claim 1, wherein: the positive charging conductive electrode (31) and the negative charging conductive electrode (32) are spring ejector pins.
6. The earphone charging box assembly of claim 2, wherein: the charging circuit board (3) further comprises a USB charging interface (36) and a charging loop (37) connected with the USB charging interface (36), the charging loop (37) is connected with the first battery (4), and the main control chip (34) and the positive charging conductive electrode (31) are further connected with the charging loop (37).
7. The earphone charging box assembly of claim 2, wherein: the charging circuit board (3) further comprises at least one group of charging detection loops (38), the charging detection loops (38) comprise MOS tubes Q4, the G pole of the MOS tube Q4 is connected with the main control chip (34), the D pole of the MOS tube Q4 is connected with the negative charging conductive contact (22) in the earphone (2), and the D pole of the MOS tube Q4 is also connected with a first resistor and then is connected with the main control chip (34); the S pole of the MOS transistor Q4 is connected with the second resistor and then grounded, and the S pole of the MOS transistor Q4 is also connected with the third resistor and then connected with the main control chip (34).
8. A headset charging box assembly according to any of claims 1-7, wherein: inside PCB board (5) and the second battery (6) with this PCB board (5) electric connection of being provided with of earphone (2), this PCB board (5) is including bluetooth audio frequency system level chip (51), this bluetooth audio frequency system level chip (51) is connected second battery (6), this anodal conductive contact (21) that charges and negative pole charge and be provided with second ESD two-way electrostatic protection diode (23) between conductive contact (22), this negative pole charges conductive contact (22) ground connection, this anodal conductive contact (21) that charges connects this bluetooth audio frequency system level chip (51).
9. The earphone charging box assembly of claim 8, wherein: the model of the Bluetooth audio system-on-chip (51) is QCC 3026.
10. The earphone charging box assembly of claim 8, wherein: the earphone-embedded detection circuit is characterized in that an in-ear detection circuit (52) used for controlling the earphone to automatically play music and take down the earphone to automatically pause when the earphone is worn in the ear is arranged on the PCB (5), the in-ear detection circuit (52) comprises a first chip (521) and a light sensor (522) connected with the first chip (521), and the first chip (521) is connected with the Bluetooth audio system-level chip (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512314.8U CN209748223U (en) | 2019-04-15 | 2019-04-15 | earphone charging box subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920512314.8U CN209748223U (en) | 2019-04-15 | 2019-04-15 | earphone charging box subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748223U true CN209748223U (en) | 2019-12-06 |
Family
ID=68721008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920512314.8U Active CN209748223U (en) | 2019-04-15 | 2019-04-15 | earphone charging box subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518277A (en) * | 2021-04-26 | 2021-10-19 | 广东朝阳电子科技股份有限公司 | Two-way communication circuit of real wireless Bluetooth earphone charging system |
-
2019
- 2019-04-15 CN CN201920512314.8U patent/CN209748223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518277A (en) * | 2021-04-26 | 2021-10-19 | 广东朝阳电子科技股份有限公司 | Two-way communication circuit of real wireless Bluetooth earphone charging system |
| CN113518277B (en) * | 2021-04-26 | 2024-02-27 | 广东朝阳电子科技股份有限公司 | Bidirectional communication circuit of real wireless Bluetooth headset charging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11856354B2 (en) | Wireless earbud, charging box and charging system for wireless earbud | |
| CN107809696B (en) | Wireless earphone capable of establishing interaction with earphone box | |
| CN110602598B (en) | Wireless earphone, charging box and wireless earphone charging system | |
| CN110994718B (en) | Wireless earphone, charging box and wireless earphone charging system | |
| CN103716073A (en) | Bluetooth device | |
| CN101453506A (en) | Bluetooth earphone built-in type mobile phone | |
| CN110933549A (en) | Wireless earphone, charging box and wireless earphone charging system | |
| CN103491215A (en) | Mobile terminal and protective sleeve thereof | |
| CN209748223U (en) | earphone charging box subassembly | |
| CN107889012B (en) | Wireless earphone capable of charging wearable device | |
| CN110475171B (en) | Wireless earphone assembly and earphone box assembly | |
| CN209914022U (en) | Noise reduction earphone | |
| CN212677356U (en) | Wireless charging Bluetooth earphone | |
| CN203645668U (en) | Bluetooth device | |
| CN108703491A (en) | A kind of wisdom school bag | |
| CN213342639U (en) | Earphone charging box and wireless earphone kit | |
| CN211530801U (en) | Wireless charging device | |
| CN113329285B (en) | Earphone box and wireless earphone | |
| CN114430185A (en) | Wireless charging method and device, earphone box and storage medium | |
| CN204597587U (en) | A kind of uninterrupted wireless charging device | |
| CN201910649U (en) | Wireless automatic charging device of electronic cigarette | |
| CN217935131U (en) | Charging end circuit and device, charged end circuit and device and charging system | |
| CN218648931U (en) | Earphone charging box | |
| CN220457570U (en) | Earphone box and earphone assembly | |
| CN110035347B (en) | Bluetooth headset and charging cabin and suit system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |