CN204305017U - A kind of Bluetooth communication device - Google Patents
A kind of Bluetooth communication device Download PDFInfo
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- CN204305017U CN204305017U CN201420521603.1U CN201420521603U CN204305017U CN 204305017 U CN204305017 U CN 204305017U CN 201420521603 U CN201420521603 U CN 201420521603U CN 204305017 U CN204305017 U CN 204305017U
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Abstract
The utility model belongs to Bluetooth communication field, provide a kind of Bluetooth communication device and comprise bluetooth process chip, loudspeaker, microphone, Bluetooth signal reception antenna, be connected between loudspeaker and bluetooth process chip, and the voicefrequency circuit be connected between microphone and bluetooth process chip, Bluetooth communication device also comprises: discharge module, control module, key switch and be connected in the audio frequency adjustment module of voicefrequency circuit; The feeder ear of the electric energy output end external mobile terminal of discharge module; The control end of control module connects the control of discharge end of discharge module, and the electric quantity data receiving terminal of control module connects the electric quantity data feedback end of discharge module, and the push button signalling input of control module connects the output of key switch.The utility model completes the charging of Bluetooth communication device to mobile terminal, decreases the cost of mobile terminal charging simultaneously, and in addition, when conversing, user, by the audio frequency adjustment module in Bluetooth communication device, regulates the size of volume.
Description
Technical field
The utility model belongs to Bluetooth communication field, particularly relates to a kind of Bluetooth communication device.
Background technology
The Bluetooth communication device of existing mobile terminal application, by Bluetooth signal reception antenna, the Bluetooth signal that mobile terminal receive sends, by the bluetooth process chip in Bluetooth communication device, completes the decoding of Bluetooth signal.
But existing Bluetooth communication device can not be charged for mobile terminal, such as, existing Bluetooth communication device major part is bluetooth earphone and Baffle Box of Bluetooth, and bluetooth earphone can be used to the incoming call of answering cell phone, reduces radiation.Baffle Box of Bluetooth is by wireless signal transfer, play music, carry out conference telephone etc., but both all can not charge for mobile terminal, therefore the battery carried by Bluetooth communication device is carried out charging to mobile terminal and has certain technical difficulty, in addition, when being charged to mobile terminal by an independent portable power source, the cost of mobile terminal charging is higher.
Utility model content
The utility model provides a kind of Bluetooth communication device, and being intended to solve existing Bluetooth communication device can not be the problem of mobile terminal charging.
In order to solve the problems of the technologies described above, the utility model is achieved in that
A kind of Bluetooth communication device comprises bluetooth process chip, loudspeaker, microphone, be connected in described bluetooth process chip Bluetooth signal reception antenna, be connected between loudspeaker and described bluetooth process chip, and the voicefrequency circuit be connected between described microphone and described bluetooth process chip, described Bluetooth communication device also comprises:
Discharge module, control module, key switch and be connected in the volume adjusting module of described loudspeaker;
The feeder ear of the electric energy output end external mobile terminal of described discharge module;
The control end of described control module connects the control of discharge end of described discharge module, the electric quantity data receiving terminal of described control module connects the electric quantity data feedback end of described discharge module, and the push button signalling input of described control module connects the output of described key switch.
Further, in this Bluetooth communication device, described Bluetooth communication device also comprises:
Dump energy display module;
The electric quantity data output of described control module connects the input of dump energy display module.
Further, in this Bluetooth communication device, described discharge module comprises:
Resistance R1, resistance R2, electric capacity C1, lithium battery BAT, lithium cell charging chip U1, Li battery protection IC U2, Li battery protection IC U3 and power supply VCC;
The electric energy charge and discharge pin OUT of described lithium cell charging chip U1 is the electric energy output end of described discharge module, and control of discharge pin TE is the control of discharge end of described discharge module, and electric quantity data feedback pin F1 is the electric quantity data feedback end of described discharge module;
Second end of power supply VCC described in first termination of described resistance R1, described resistance R1 and described electric capacity C1 first end are connected to the energization pins VEE of described lithium cell charging chip U1 altogether;
Second end of described electric capacity C1, negative pole pin VSS1, the pin S1 of Li battery protection IC U2 of described lithium cell charging chip U1 and the pin S4 of Li battery protection IC U3 are connected to the negative pole of described lithium battery BAT altogether;
The OC pin of described lithium cell charging chip U1 connects the pin G2 of described Li battery protection IC U3, the OSI pin of described lithium cell charging chip U1 and the pin VCC2 of described Li battery protection IC U2 are connected to the first end of described resistance R2, the second end ground connection of described resistance R2, the OE pin of described lithium cell charging chip U1 connects the pin OC of described Li battery protection IC U2 and the pin G2 of described Li battery protection IC U3 respectively, the OE pin of described lithium cell charging chip U1 connects the pin G1 of described Li battery protection IC U2 and the pin VSS3 of described Li battery protection IC U3 respectively,
Pin B1, B2 of described Li battery protection IC U2 and pin C1 and C2 of described Li battery protection IC U3 connect altogether;
The grounding pin S2 ground connection of described Li battery protection IC U2, the grounding pin S3 ground connection of described Li battery protection IC U3.
Further, in this Bluetooth communication device, described control module comprises control chip U4, resistance R3, key switch T1, control pin K1 in described U4 is the control end of described control module, electric quantity data in described U4 receives the electric quantity data receiving terminal that pin D1 is described control module, push button signalling input pin A1 in described U4 is the push button signalling input of described control module, push button signalling electric quantity data output pin A2 in described U4 is the electric quantity data output of described control module, the first end ground connection of described key switch T1, second end of described key switch T1 connects the first end of described resistance R3, second end of described resistance R3 is the output of described key switch.
Further, in this Bluetooth communication device, described dump energy display module also comprises:
Resistance R4, R5, a NPN triode and the 2nd NPN triode;
The first end of described resistance R4 connects the base stage of a described NPN triode, the colelctor electrode of a described NPN triode connects the first numerical digit end of described two one charactrons, the first end of described resistance R5 connects the base stage of described 2nd NPN triode, the colelctor electrode of described 2nd NPN triode connects the second numerical digit end of described two one charactrons, the first end of described resistance R4 connects the base stage of described 3rd NPN triode, the colelctor electrode of described 3rd NPN triode connects the 3rd numerical digit end of described two one charactrons, the emitter stage of a described NPN triode and the emitter stage of described 2nd NPN triode are connected to ground altogether, second end of described resistance R4, second end of described resistance R5, second end of described resistance R4 and the first end E1 of described two one charactrons, second end E2, 3rd end E3, 4th end E4, five terminal E5, the bus that 6th end E6 forms is the input of described dump energy display module.
In the utility model, by Bluetooth communication device, provide discharge module, by discharge module external mobile terminal, Bluetooth communication device can be charged to mobile terminal, solving existing Bluetooth communication device can not be mobile terminal charging problems, thus has both completed the charging of Bluetooth communication device to mobile terminal, decreases the cost of mobile terminal charging, in addition, when conversing, user, by the audio frequency adjustment module in Bluetooth communication device, regulates the size of volume.
Accompanying drawing explanation
Fig. 1 is the structure chart of the Bluetooth communication device that the utility model embodiment one provides;
Fig. 2 is the circuit diagram of the Bluetooth communication device that the utility model embodiment two provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
embodiment one
With reference to the circuit structure diagram that figure 1, Fig. 1 is the Bluetooth communication device that the utility model embodiment one provides, for convenience of explanation, only list the part relevant to the utility model embodiment, details are as follows:
A kind of Bluetooth communication device comprises bluetooth process chip 4, loudspeaker 1, microphone 3, be connected in described bluetooth process chip 4 Bluetooth signal reception antenna 5, be connected between loudspeaker 1 and described bluetooth process chip 4, and the voicefrequency circuit 2 be connected between described microphone 3 and described bluetooth process chip 4, described Bluetooth communication device also comprises:
Discharge module 8, control module 6, key switch and be connected in the volume adjusting module 10 of described loudspeaker 3;
The feeder ear of the electric energy output end external mobile terminal 9 of described discharge module 8;
The control end of described control module 6 connects the control of discharge end of described discharge module 8, the electric quantity data receiving terminal of described control module 6 connects the electric quantity data feedback end of described discharge module 8, and the push button signalling input of described control module 6 connects the output of described key switch.
Further, in this Bluetooth communication device, described Bluetooth communication device also comprises:
Dump energy display module 7;
The electric quantity data output of described control module 6 connects the input of dump energy display module 7.
Be described the operation principle of the Bluetooth communication device that the utility model embodiment provides below, details are as follows:
When connecing lower key switch, the output of key switch, produces low level, by the push button signalling input of control module 6, drive control module 6 exports discharge signal to discharge module 8, and discharge module 8 passes through electric energy output end, to the feeder ear output current of mobile terminal 9.
In the utility model, pass through Bluetooth communication device, provide discharge module 8, by discharge module 8 external mobile terminal 9, Bluetooth communication device can be charged to mobile terminal 9, solving existing Bluetooth communication device can not be mobile terminal 9 charging problems, thus both completed the charging of Bluetooth communication device to mobile terminal 9, decrease the cost that mobile terminal 9 charges, in addition, user, can the size of tuning amount when conversing by the audio frequency adjustment module 10 in Bluetooth communication device.
embodiment two
The enforcement of the present embodiment is based upon on the basis of embodiment one.With reference to the circuit diagram that figure 2, Fig. 2 is the Bluetooth communication device that the utility model embodiment two provides, in this Bluetooth communication device, described discharge module 8 comprises:
Resistance R1, resistance R2, electric capacity C1, lithium battery BAT, lithium cell charging chip U1, Li battery protection IC U2, Li battery protection IC U3 and power supply VCC;
The electric energy charge and discharge pin OUT of described lithium cell charging chip U1 is the electric energy output end of described discharge module 8, and control of discharge pin TE is the control of discharge end of described discharge module 8, and electric quantity data feedback pin F1 is the electric quantity data feedback end of described discharge module 8;
Second end of power supply VCC described in first termination of described resistance R1, described resistance R1 and described electric capacity C1 first end are connected to the energization pins VEE of described lithium cell charging chip U1 altogether;
Second end of described electric capacity C1, negative pole pin VSS1, the pin S1 of Li battery protection IC U2 of described lithium cell charging chip U1 and the pin S4 of Li battery protection IC U3 are connected to the negative pole of described lithium battery BAT altogether;
The OC pin of described lithium cell charging chip U1 connects the pin G2 of described Li battery protection IC U3, the OSI pin of described lithium cell charging chip U1 and the pin VCC2 of described Li battery protection IC U2 are connected to the first end of described resistance R2, the second end ground connection of described resistance R2, the OE pin of described lithium cell charging chip U1 connects the pin OC of described Li battery protection IC U2 and the pin G2 of described Li battery protection IC U3 respectively, the OE pin of described lithium cell charging chip U1 connects the pin G1 of described Li battery protection IC U2 and the pin VSS3 of described Li battery protection IC U3 respectively,
Pin B1, B2 of described Li battery protection IC U2 and pin C1 and C2 of described Li battery protection IC U3 connect altogether;
The grounding pin S2 ground connection of described Li battery protection IC U2, the grounding pin S3 ground connection of described Li battery protection IC U3.
Further, in this Bluetooth communication device, described control module 6 comprises control chip U4, resistance R3, key switch T1, control pin K1 in described U4 is the control end of described control module 6, electric quantity data in described U4 receives the electric quantity data receiving terminal that pin D1 is described control module 6, push button signalling input pin A1 in described U4 is the push button signalling input of described control module 6, push button signalling electric quantity data output pin A2 in described U4 is the electric quantity data output of described control module 6, the first end ground connection of described key switch T1, second end of described key switch T1 connects the first end of described resistance R3, second end of described resistance R3 is the output of described key switch.
Further, in this Bluetooth communication device, described dump energy display module 7 also comprises:
Resistance R4, R5, a NPN triode and the 2nd NPN triode;
The first end of described resistance R4 connects the base stage of a described NPN triode, the colelctor electrode of a described NPN triode connects the first numerical digit end of described two one charactrons, the first end of described resistance R5 connects the base stage of described 2nd NPN triode, the colelctor electrode of described 2nd NPN triode connects the second numerical digit end of described two one charactrons, the first end of described resistance R4 connects the base stage of described 3rd NPN triode, the colelctor electrode of described 3rd NPN triode connects the 3rd numerical digit end of described two one charactrons, the emitter stage of a described NPN triode and the emitter stage of described 2nd NPN triode are connected to ground altogether, second end of described resistance R4, second end of described resistance R5, second end of described resistance R4 and the first end E1 of described two one charactrons, second end E2, 3rd end E3, 4th end E4, five terminal E5, the bus that 6th end E6 forms is the input of described dump energy display module 7.
Wherein, control chip U4 can adopt single-chip microcomputer.
Wherein, the model of lithium cell charging chip U1 can be the constant-current constant-voltage charging chip of TP4056 or TP4057.Wherein, the model of Li battery protection IC U2, U3 can be the chip of DW01M series.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a Bluetooth communication device comprises bluetooth process chip, loudspeaker, microphone, be connected in described bluetooth process chip Bluetooth signal reception antenna, be connected between loudspeaker and described bluetooth process chip, and the voicefrequency circuit be connected between described microphone and described bluetooth process chip, it is characterized in that, described Bluetooth communication device also comprises:
Discharge module, control module, key switch and be connected in the volume adjusting module of described loudspeaker;
The feeder ear of the electric energy output end external mobile terminal of described discharge module;
The control end of described control module connects the control of discharge end of described discharge module, the electric quantity data receiving terminal of described control module connects the electric quantity data feedback end of described discharge module, and the push button signalling input of described control module connects the output of described key switch.
2. Bluetooth communication device as claimed in claim 1, it is characterized in that, described Bluetooth communication device also comprises:
Dump energy display module;
The electric quantity data output of described control module connects the input of dump energy display module.
3. Bluetooth communication device as claimed in claim 1, it is characterized in that, described discharge module comprises:
Resistance R1, resistance R2, electric capacity C1, lithium battery BAT, lithium cell charging chip U1, Li battery protection IC U2, Li battery protection IC U3 and power supply VCC;
The electric energy charge and discharge pin OUT of described lithium cell charging chip U1 is the electric energy output end of described discharge module, and control of discharge pin TE is the control of discharge end of described discharge module, and electric quantity data feedback pin F1 is the electric quantity data feedback end of described discharge module;
Second end of power supply VCC described in first termination of described resistance R1, described resistance R1 and described electric capacity C1 first end are connected to the energization pins VEE of described lithium cell charging chip U1 altogether;
Second end of described electric capacity C1, negative pole pin VSS1, the pin S1 of Li battery protection IC U2 of described lithium cell charging chip U1 and the pin S4 of Li battery protection IC U3 are connected to the negative pole of described lithium battery BAT altogether;
The OC pin of described lithium cell charging chip U1 connects the pin G2 of described Li battery protection IC U3, the OSI pin of described lithium cell charging chip U1 and the pin VCC2 of described Li battery protection IC U2 are connected to the first end of described resistance R2, the second end ground connection of described resistance R2, the OE pin of described lithium cell charging chip U1 connects the pin OC of described Li battery protection IC U2 and the pin G2 of described Li battery protection IC U3 respectively, the OE pin of described lithium cell charging chip U1 connects the pin G1 of described Li battery protection IC U2 and the pin VSS3 of described Li battery protection IC U3 respectively,
Pin B1, B2 of described Li battery protection IC U2 and pin C1 and C2 of described Li battery protection IC U3 connect altogether;
The grounding pin S2 ground connection of described Li battery protection IC U2, the grounding pin S3 ground connection of described Li battery protection IC U3.
4. Bluetooth communication device as claimed in claim 1, it is characterized in that, described control module comprises control chip U4, resistance R3, key switch T1, control pin K1 in described U4 is the control end of described control module, electric quantity data in described U4 receives the electric quantity data receiving terminal that pin D1 is described control module, push button signalling input pin A1 in described U4 is the push button signalling input of described control module, push button signalling electric quantity data output pin A2 in described U4 is the electric quantity data output of described control module, the first end ground connection of described key switch T1, second end of described key switch T1 connects the first end of described resistance R3, second end of described resistance R3 is the output of described key switch.
5. Bluetooth communication device as claimed in claim 2, it is characterized in that, described dump energy display module also comprises:
Resistance R4, R5, a NPN triode and the 2nd NPN triode;
The first end of described resistance R4 connects the base stage of a described NPN triode, the colelctor electrode of a described NPN triode connects the first numerical digit end of two one charactrons, the first end of described resistance R5 connects the base stage of described 2nd NPN triode, the colelctor electrode of described 2nd NPN triode connects the second numerical digit end of described two one charactrons, the first end of described resistance R4 connects the base stage of the 3rd NPN triode, the colelctor electrode of described 3rd NPN triode connects the 3rd numerical digit end of described two one charactrons, the emitter stage of a described NPN triode and the emitter stage of described 2nd NPN triode are connected to ground altogether, second end of described resistance R4, second end of described resistance R5, second end of described resistance R4 and the first end E1 of described two one charactrons, second end E2, 3rd end E3, 4th end E4, five terminal E5, the bus that 6th end E6 forms is the input of described dump energy display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521603.1U CN204305017U (en) | 2014-09-11 | 2014-09-11 | A kind of Bluetooth communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521603.1U CN204305017U (en) | 2014-09-11 | 2014-09-11 | A kind of Bluetooth communication device |
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| CN204305017U true CN204305017U (en) | 2015-04-29 |
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| CN201420521603.1U Expired - Fee Related CN204305017U (en) | 2014-09-11 | 2014-09-11 | A kind of Bluetooth communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201027A (en) * | 2020-10-22 | 2021-01-08 | 江苏创视赛维科技有限公司 | Control circuit, rechargeable Bluetooth remote controller, access control device and control method |
| CN113346916A (en) * | 2021-06-29 | 2021-09-03 | 杭州国芯科技股份有限公司 | Vehicle-mounted frequency modulation transmitting equipment |
-
2014
- 2014-09-11 CN CN201420521603.1U patent/CN204305017U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201027A (en) * | 2020-10-22 | 2021-01-08 | 江苏创视赛维科技有限公司 | Control circuit, rechargeable Bluetooth remote controller, access control device and control method |
| CN113346916A (en) * | 2021-06-29 | 2021-09-03 | 杭州国芯科技股份有限公司 | Vehicle-mounted frequency modulation transmitting equipment |
| CN113346916B (en) * | 2021-06-29 | 2024-05-31 | 杭州国芯科技股份有限公司 | Vehicle-mounted frequency modulation transmitting equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20160911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |