CN218473346U - Bluetooth headset charging control circuit and Bluetooth headset charging cabin - Google Patents
Bluetooth headset charging control circuit and Bluetooth headset charging cabin Download PDFInfo
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- CN218473346U CN218473346U CN202222549153.4U CN202222549153U CN218473346U CN 218473346 U CN218473346 U CN 218473346U CN 202222549153 U CN202222549153 U CN 202222549153U CN 218473346 U CN218473346 U CN 218473346U
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Abstract
The application relates to the technical field of charging of Bluetooth earphones, and discloses a Bluetooth earphone charging control circuit and a Bluetooth earphone charging cabin, the circuit includes: the device comprises a detection module, a control circuit, a charging power supply module, a protection circuit and a charging interface, wherein the charging interface comprises a pressing interface and a normal connection interface; the detection module is respectively connected with the control circuit and a battery in the Bluetooth headset, and generates corresponding control information according to the electric quantity information of the battery in the Bluetooth headset; the control circuit is connected with the protection circuit, the protection circuit is respectively connected with the charging power supply module, the control circuit is respectively connected with the pressing interface and the normal connection interface, and the control circuit is used for gating an interface circuit according to the control information and charging the Bluetooth headset according to the interface circuit. This application has improved the life of the inside battery of bluetooth headset.
Description
Technical Field
The utility model relates to a bluetooth headset technical field that charges especially relates to a bluetooth headset charging control circuit and bluetooth headset charging cabin.
Background
Along with bluetooth headset's high-speed development, bluetooth headset's use is also more and more, and the user also more and more pays more and more attention to bluetooth headset's life and protection when using bluetooth headset, and traditional bluetooth headset charging control circuit is that directly put into the charging cabin with bluetooth headset will directly charge, breaks off until the completion of charging. This kind of bluetooth headset control circuit that charges has very big defect, can have and not carry out the electric quantity to bluetooth headset and judge the problem that directly charges and can harm internal battery. That is to say, this kind of bluetooth headset charge control circuit can be because not carrying out the electric quantity to bluetooth headset and judging directly charging and then cause the not high life of bluetooth headset internal battery.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a bluetooth headset charging control circuit and bluetooth headset charging cabin aims at how to improve the technical problem of the life of the inside battery of bluetooth headset.
In order to achieve the above object, the present invention provides a charging control circuit for bluetooth earphones, which comprises a detection module, a control circuit, a charging power module, a protection circuit and a charging interface, wherein the charging interface comprises a pressing interface and a normal connection interface;
the detection module is respectively connected with the control circuit and a battery in the Bluetooth headset, and generates corresponding control information according to the electric quantity information of the battery in the Bluetooth headset;
the control circuit is connected with the protection circuit, the protection circuit is respectively connected with the charging power supply module, the control circuit is respectively connected with the pressing interface and the normal connection interface, and the control circuit is used for gating an interface circuit according to the control information and charging the Bluetooth headset according to the interface circuit.
Optionally, the detection module includes a detection port, a control port, a bluetooth unit and a control chip, the detection port is connected to the battery inside the bluetooth headset, the control port is connected to the control circuit, the bluetooth unit is connected to an external device, the control chip is connected to the detection port, the control port and the bluetooth unit.
Optionally, the control chip is a micro-monolithic chip.
Optionally, the control circuit includes a switch selector, the switch selector includes a first input end, a first output end, a second output end and a control end, the first input end is connected to the protection circuit, the control end is connected to the control port, the first output end is connected to the pressing interface, and the second output end is connected to the normal connection port.
Optionally, the protection circuit includes a detection resistor and a PNP triode, an emitter of the PNP triode is connected to the charging power supply module, one end of the detection resistor is connected to the charging power supply module, the other end of the detection resistor is connected to a base of the PNP triode, the first output end and the second output end, and a collector of the PNP triode is connected to the system power supply ground.
Optionally, the pressing interface includes a first contact tab connected with the first output terminal and a second contact tab connected with the common connection port.
Optionally, the first contact tab is in contact connection with the second contact tab.
In addition, this application still provides a bluetooth headset charging cabin, and bluetooth headset charging cabin includes foretell bluetooth headset charging control circuit.
Optionally, the bluetooth headset charging cabin includes a headset charging slot, and a pressing position is arranged at the rear tail of the headset charging slot.
Optionally, the pressing location is connected with the normal connection port, and the pressing location presses down the normal connection port to be connected with the first contact tab in the pressing interface.
The application provides a charging control circuit of a Bluetooth headset, which comprises a detection module, a control circuit, a charging power module, a protection circuit and a charging interface, wherein the charging interface comprises a pressing interface and a normal connection interface; the detection module is respectively connected with the control circuit and a battery in the Bluetooth headset, and generates corresponding control information according to the electric quantity information of the battery in the Bluetooth headset; the control circuit is connected with the protection circuit, the protection circuit is respectively connected with the charging power supply module, the control circuit is respectively connected with the pressing interface and the normal connection interface, and the control circuit is used for gating an interface circuit according to the control information and charging the Bluetooth headset according to the interface circuit. The Bluetooth headset charging device comprises a detection module, a Bluetooth headset internal battery, a protection circuit and a charging interface, wherein the detection module is used for collecting electric quantity information of the Bluetooth headset internal battery, the electric quantity information of the Bluetooth headset internal battery is generated into control information, the Bluetooth headset is charged according to the control information, the protection circuit is connected with the charging interface to protect the Bluetooth headset internal battery during charging, the phenomenon that the internal battery is damaged when the electric quantity judgment is directly performed on the Bluetooth headset without charging in the prior art is avoided, the protection circuit is used for circuit protection, and the service life of the Bluetooth headset internal battery can be prolonged as long as the electric quantity information of the Bluetooth headset internal battery is required to be charged.
Drawings
Fig. 1 is a schematic structural diagram of the charging control circuit of the bluetooth headset of the present invention;
fig. 2 is a schematic diagram of a detection module in the charging control circuit of the bluetooth headset of the present invention;
fig. 3 is a schematic diagram of a switch selector in the charging control circuit of the bluetooth headset of the present invention;
fig. 4 is a circuit connection diagram of a protection circuit in the charging control circuit of the bluetooth headset of the present invention;
fig. 5 is a schematic diagram of the bluetooth headset in the charging chamber of the present invention when the button is not in operation;
fig. 6 is the utility model discloses the schematic diagram of button work in the bluetooth headset charging chamber.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 10 | Internal battery of Bluetooth |
20 | |
|
| 30 | |
40 | |
|
| 50 | Charging |
60 | |
|
| 61 | |
62 | |
|
| 21 | |
22 | |
|
| 23 | |
24 | Bluetooth unit | |
| 311 | A first input terminal | 312 | A first output terminal | |
| 313 | A |
314 | Control terminal | |
| R1 | Detection resistor | Q1 | PNP triode | |
| C | Collecting electrode | B | Base electrode | |
| | Emitter electrode | 612 | Second |
|
| 611 | |
00 | Bluetooth |
|
| 01 | Earphone charging groove | 011 | Rear tail of earphone charging groove | |
| 012 | |
31 | Switch selector |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that all directional indicators (such as up, down, left, right, front, and back \8230;) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicators are correspondingly changed.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The utility model provides a bluetooth headset charging control circuit, refer to the structure schematic diagram of the bluetooth headset charging control circuit of fig. 1, bluetooth headset charging control circuit includes detection module 20, control circuit 30, charging power module 50, protection circuit 40 and charging interface 60, charging interface 60 includes pressing interface 61 and normal connector 62;
the detection module 20 is respectively connected with the control circuit 30 and the internal battery 10 of the bluetooth headset, and the detection module 20 generates corresponding control information according to the electric quantity information of the internal battery 10 of the bluetooth headset;
the control circuit 30 is connected with the protection circuit 40, the protection circuit 40 is respectively connected with the charging power supply module 50, the control circuit 30 is respectively connected with the pressing interface 61 and the normal connection interface 62, and the control circuit 30 is used for gating an interface line according to the control information and charging a Bluetooth headset according to the interface line.
In this embodiment, the detection module 20 detects the internal battery 10 of the bluetooth headset, and then generates corresponding control information according to the electric quantity information of the internal battery 10 of the bluetooth headset, and sends the control information to the control circuit 30, and the control circuit 30 gates an interface line according to the control information, and charges the bluetooth headset according to the interface line. The power information refers to the power of the battery 10 inside the bluetooth headset, the control information refers to the related information for controlling whether to perform the charging operation, and the interface line refers to the information of the gated interface. The control circuit 30 controls whether to charge according to the control information, and ultimately depends on the power information of the internal battery 10 of the bluetooth headset, that is, whether to charge is selected according to the power information of the internal battery 10 of the bluetooth headset. For example, the electric quantity information of the internal battery 10 of the bluetooth headset is 50%, and the internal definition of the detection module 20 is lower than 15% and starts to charge, the detection module 20 will not charge the corresponding control level (self-defined, may be high level or low level), the control circuit 30 will not make the bluetooth headset connect and charge, thereby avoiding the phenomenon that the internal battery of the bluetooth headset is damaged by continuously charging the bluetooth headset, and improving the service life of the internal battery of the bluetooth headset.
Further, in another embodiment of the bluetooth headset charging control circuit of the present application, referring to fig. 2, fig. 2 is a schematic diagram of a detection module in the bluetooth headset charging control circuit, the detection module 20 includes a detection port 22, a control port 23, a bluetooth unit 24 and a control chip 21, the detection port 22 is connected to the internal battery 10 of the bluetooth headset, the control port 23 is connected to the control circuit 30, the bluetooth unit 24 is connected to an external device, the control chip 21 is connected to the detection port 22, and the control port 23 is connected to the bluetooth unit 24.
Specifically, the control chip 21 is a micro-monolithic chip.
In this embodiment, the bluetooth unit 24 is connected to an external device, and the internal definition charging start value can be changed by the external device, and the external device may be a mobile phone, and the charging start value is changed by the mobile phone, so that the intelligence of controlling charging is improved. The detection port 22 is used for detecting the electric quantity information of the battery 10 inside the bluetooth headset, and the control chip 21 is used for generating control information according to the electric quantity information, and finally sending the control information to the control circuit 30 through the control port 23 to complete the whole detection process. Through detecting the electric quantity of the battery 10 in the Bluetooth headset, the charging accuracy can be ensured, and the service life of the battery can be prolonged.
Further, in another embodiment of the bluetooth headset charging control circuit of the present application, referring to fig. 3, fig. 3 is a schematic diagram of a switch selector in the bluetooth headset charging control circuit, the control circuit 30 includes a switch selector 31, the switch selector 31 includes a first input terminal 311, a first output terminal 312, a second output terminal 313 and a control terminal 314, the first input terminal 311 is connected to the protection circuit 40, the control terminal 314 is connected to the control port 23, the first output terminal 312 is connected to the pressing interface 61, and the second output terminal 313 is connected to the normal connection port 62.
In the present embodiment, the switch selector 31 mainly implements a line selection function, and here, for example, when the control terminal 314 receives a high level, the first input terminal 311 and the first output terminal 312 are connected, and the first input terminal 311 and the second output terminal 313 are disconnected; when the control terminal 314 receives a low level, the first input terminal 311 and the second output terminal 313 are connected, and the first input terminal 311 and the first output terminal 312 are disconnected, so that the bluetooth headset is charged through different lines.
Further, in another embodiment of the bluetooth headset charging control circuit of this application, referring to fig. 4, fig. 4 is a circuit connection diagram of a protection circuit in the bluetooth headset charging control circuit, the protection circuit 40 includes a detection resistor R1 and a PNP triode Q1, an emitter C of the PNP triode Q1 is connected to the charging power supply module 50, one end of the detection resistor R1 is connected to the charging power supply module 50, the other end of the detection resistor R1 is connected to the base B of the PNP triode Q1, the first output end 312 and the second output end 313, and a collector C of the PNP triode Q1 is connected to the system power supply ground.
Specifically, the pressing interface 61 includes a first contact tab 611 and a second contact tab 612, the first contact tab 611 is connected to the first output end 312, and the second contact tab 612 is connected to the normal connection port 62.
Specifically, the first contact tab 611 is in contact connection with the second contact tab 612.
In this embodiment, the protection circuit herein mainly functions to protect the current of the whole circuit from overcurrent, and the principle is that the voltage at the two ends of the detection resistor R1 is determined by the current, mainly when the current of the whole circuit is limited to 5A, only the resistance value of the detection resistor R1 is set to 0.06 Ω, when the current is less than 5A, the voltage between the emitter E and the base B of the PNP triode Q1 is less than 0.3v, the PNP triode Q1 is not conducted, and the whole circuit normally works and charges; when the current is more than or equal to 5A, the voltage between the emitter E and the base B of the PNP triode Q1 is more than or equal to 0.3V, the PNP triode Q1 is conducted, the whole circuit is not charged, and the whole circuit is directly grounded. Next, the first contact tab 611 and the second contact tab 612 can be contacted under certain conditions, and power is supplied. The whole principle is as follows: when the internal battery 10 of the bluetooth headset is larger than the charging start value, the charging power supply module 50 is connected with the first output end 312 through the first input end 311 of the switch selector 31, the first output end 312 is connected with the first contact connecting piece 611, but the first contact connecting piece 611 is not connected with the second contact connecting piece 612, so that the whole power supply circuit is disconnected; the charging power supply module 50 is connected with the second output end 313 through the first input end 311 of the switch selector 31, and the second output end 313 is connected with the normal connection port 62, so that the whole power supply circuit is connected for charging; when a user needs to charge, the charging value is changed to start charging through the bluetooth unit 24 in the mobile phone connection detection module 20, and on the other hand, the user only uses a single earphone and needs to charge the single earphone, and the first contact connecting piece 611 and the second contact connecting piece 612 are directly and mechanically connected to charge through the pressing position 012, so that the charging accuracy and applicability can be ensured.
In addition, this application still provides a bluetooth headset charging cabin 00, and bluetooth headset charging cabin 00 includes bluetooth headset charging control circuit.
Further, in an embodiment of the bluetooth headset of the present application, referring to fig. 5 and fig. 6, fig. 5 is a schematic diagram of a button in a bluetooth headset charging cabin not working, fig. 6 is a schematic diagram of a button in a bluetooth headset charging cabin working, the bluetooth headset charging cabin 00 includes a headset charging slot 01, and a pressing position 012 is set at a rear end 011 of the headset charging slot.
Specifically, the pressing part 012 is connected to the constant connection port 62, and when the pressing part 012 is pressed, the constant connection port 62 is connected to the first contact tab 611 of the pressing port 61.
In the present embodiment, referring to fig. 5 (a), when the bluetooth headset is not put to the endmost end, the first contact tab 611 is disconnected from the second contact tab 612 (refer to fig. 5 (b)); referring to fig. 6 (a), when the bluetooth headset is positioned at the endmost end, the first contact tab 611 is connected with the second contact tab 612 (refer to fig. 6 (b)). And there is one section clearance in present bluetooth headset and earphone charging groove back afterbody 011 itself, can be used to set up and press position 012, normally places and can not trigger, and backward afterbody presses and will trigger directly to begin to charge, has not so increased design cost, but also has improved the convenience greatly. Meanwhile, the battery is protected, user experience is improved, and charging control can be carried out automatically.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.
Claims (10)
1. The charging control circuit of the Bluetooth headset is characterized by comprising a detection module, a control circuit, a charging power module, a protection circuit and a charging interface, wherein the charging interface comprises a pressing interface and a normal connection interface;
the detection module is respectively connected with the control circuit and a battery in the Bluetooth headset, and generates corresponding control information according to the electric quantity information of the battery in the Bluetooth headset;
the control circuit is connected with the protection circuit, the protection circuit is respectively connected with the charging power supply module, the control circuit is respectively connected with the pressing interface and the normal connection interface, and the control circuit is used for gating an interface circuit according to the control information and charging the Bluetooth headset according to the interface circuit.
2. The charging control circuit for bluetooth headset of claim 1, wherein the detection module comprises a detection port, a control port, a bluetooth unit and a control chip, the detection port is connected to the internal battery of the bluetooth headset, the control port is connected to the control circuit, the bluetooth unit is connected to an external device, and the control chip is connected to the detection port, the control port and the bluetooth unit.
3. The charging control circuit for bluetooth headsets as claimed in claim 2, wherein the control chip is a micro-singlechip chip.
4. The charging control circuit of claim 3, wherein the control circuit comprises a switch selector, the switch selector comprises a first input terminal, a first output terminal, a second output terminal and a control terminal, the first input terminal is connected to the protection circuit, the control terminal is connected to the control port, the first output terminal is connected to the pressing interface, and the second output terminal is connected to the normal connection port.
5. The charging control circuit for the bluetooth headset according to claim 4, wherein the protection circuit comprises a detection resistor and a PNP transistor, an emitter of the PNP transistor is connected to the charging power supply module, one end of the detection resistor is connected to the charging power supply module, the other end of the detection resistor is connected to a base of the PNP transistor, the first output terminal and the second output terminal, and a collector of the PNP transistor is connected to a system power ground.
6. The bluetooth headset charge control circuit of claim 5 wherein the press interface comprises a first contact tab and a second contact tab, the first contact tab being connected to the first output port and the second contact tab being connected to the common port.
7. The bluetooth headset charge control circuit of claim 6, wherein the first contact tab is in contact connection with the second contact tab.
8. A Bluetooth headset charging bay, characterized in that the Bluetooth headset charging bay comprises the Bluetooth headset charging control circuit of any one of claims 1 to 7.
9. The bluetooth headset charging bay of claim 8, wherein the bluetooth headset charging bay comprises a headset charging slot, and the rear tail of the headset charging slot is provided with a pressing position.
10. The bluetooth headset charging station of claim 9, wherein the pressing portion is connected to the constant connection port, and the pressing portion presses the constant connection port to connect to the first contact tab of the pressing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222549153.4U CN218473346U (en) | 2022-09-22 | 2022-09-22 | Bluetooth headset charging control circuit and Bluetooth headset charging cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222549153.4U CN218473346U (en) | 2022-09-22 | 2022-09-22 | Bluetooth headset charging control circuit and Bluetooth headset charging cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218473346U true CN218473346U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222549153.4U Active CN218473346U (en) | 2022-09-22 | 2022-09-22 | Bluetooth headset charging control circuit and Bluetooth headset charging cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218473346U (en) |
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2022
- 2022-09-22 CN CN202222549153.4U patent/CN218473346U/en active Active
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