CN216057495U - Bluetooth headset test control circuit and device - Google Patents
Bluetooth headset test control circuit and device Download PDFInfo
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- CN216057495U CN216057495U CN202121696321.1U CN202121696321U CN216057495U CN 216057495 U CN216057495 U CN 216057495U CN 202121696321 U CN202121696321 U CN 202121696321U CN 216057495 U CN216057495 U CN 216057495U
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Abstract
The utility model discloses a Bluetooth earphone test control circuit and a device, comprising: the device comprises a main control module, a power supply module, a power switch control module, an indicator light detection module, a loudspeaker detection module, a battery charging current test module, a battery discharging current test module, a microphone test module and a touch control module; the main control module, the power switch control module, the indicator light detection module, the loudspeaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively and electrically connected with the power supply module; the power switch control module, the indicator light detection module, the loudspeaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively and electrically connected with the main control module. The utility model effectively improves the testing efficiency of the Bluetooth headset and saves the labor cost.
Description
Technical Field
The utility model relates to the technical field of Bluetooth headset testing, in particular to a Bluetooth headset testing control circuit and device.
Background
In the prior art, a circuit board delivery link of a product generally adopts manual work to perform good product testing during production of a Bluetooth headset. The circuit board test of the Bluetooth headset mainly comprises an LED lamp test for judging whether an LED is good or not; a charging test for judging whether the charging current meets a standard; a touch sensor test for testing whether it is good or not by manual touch; the Bluetooth wireless connection test is used for testing whether the Bluetooth wireless connection test can be normally connected with a Bluetooth tester; the earphone sound test is used for testing whether the sound is played normally; and the product working current test is used for links such as product dormancy current test and the like. In the process of relying on manual testing, sometimes some workers may carelessly miss some projects due to busy in order to catch up with schedule; or the condition of missed detection is caused by different evaluation standards of some projects; in addition, the efficiency is low to a great extent depending on manual testing, and the factory efficiency of products is reduced. Therefore, the utility model of a high-efficiency bluetooth headset test control circuit is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The present invention provides a bluetooth headset test control circuit and device, aiming at the above-mentioned defects in the prior art.
In a first aspect, the utility model discloses a bluetooth headset test control circuit, which comprises a main control module, a power supply module, a power switch control module, an indicator light detection module, a loudspeaker detection module, a battery charging current test module, a battery discharging current test module, a microphone test module and a touch control module; the main control module, the power switch control module, the indicator light detection module, the speaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the power supply module; the power switch control module, the indicator light detection module, the loudspeaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the main control module.
Preferably, the microphone testing module comprises a call MIC testing unit and a noise reduction MIC testing unit; the call MIC test unit is respectively and electrically connected with the power supply module and the main control module, and the noise reduction MIC test unit is respectively and electrically connected with the power supply module and the main control module.
Preferably, the bluetooth headset test control circuit further comprises a display module and a key control module; the display module is respectively and electrically connected with the power supply module and the main control module, and the key control module is respectively and electrically connected with the power supply module and the main control module.
Preferably, the indicator light detection module comprises a first indicator light detection unit and a second indicator light detection unit; the first indicator light detection unit and the second indicator light detection unit are respectively electrically connected with the main control module.
Preferably, the power switch control module comprises a USB power control unit and a battery power control unit; the USB power supply control unit is respectively electrically connected with the main control module and an external USB power supply, and the battery power supply control unit is respectively electrically connected with the main control module and the Bluetooth headset battery.
Preferably, the first indicator light detection unit includes a first resistor and a first capacitor; the first resistor and the first end of the first capacitor are respectively electrically connected with the main control module, and the second end of the first resistor and the second end of the first capacitor are grounded.
Preferably, the USB power control unit includes a first triode, a first field-effect transistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, and a third capacitor; the first end of the second resistor and the first end of the third resistor are respectively and electrically connected with the main control module, the second end of the second resistor is electrically connected with the base electrode of the first triode, the collector electrode of the first triode is respectively and electrically connected with the first end of the fourth resistor, the first end of the fifth resistor and the first end of the sixth resistor, the second end of the third resistor and the emitter electrode of the first triode are grounded, the second end of the fourth resistor is respectively and electrically connected with the external USB power supply, the source electrode of the first field effect transistor and the first end of the second capacitor, the second end of the fifth resistor is electrically connected with the grid electrode of the first field effect transistor, the drain electrode of the first field effect transistor is respectively and electrically connected with the first end of the third capacitor and the drain electrode of the second field effect transistor, and the second end of the sixth resistor is electrically connected with the grid electrode of the second field effect transistor, the source electrode of the second field effect transistor is grounded, and the second end of the second capacitor and the second end of the third capacitor are grounded.
Preferably, the battery power supply control unit includes a second triode, a third field effect transistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a fourth capacitor and a fifth capacitor; the first end of the seventh resistor and the first end of the eighth resistor are respectively and electrically connected with the main control module, the second end of the seventh resistor is electrically connected with the base electrode of the second triode, the second end of the eighth resistor and the emitter electrode of the second triode are grounded, the collector electrode of the second triode is respectively and electrically connected with the first end of the ninth resistor and the first end of the tenth resistor, the second end of the ninth resistor is respectively and electrically connected with the power input end, the source electrode of the third field-effect transistor and the first end of the fourth capacitor, the second end of the tenth resistor is electrically connected with the gate electrode of the third field-effect transistor, the drain electrode of the third field-effect transistor is electrically connected with the bluetooth headset battery and the first end of the fifth capacitor, and the second end of the fifth capacitor is grounded.
In a second aspect, the utility model further discloses a bluetooth headset test control device, which includes the bluetooth headset test control circuit of the first aspect.
The utility model discloses a Bluetooth headset test control circuit, which has the following beneficial effects that: the device comprises a main control module, a power supply module, a power switch control module, an indicator light detection module, a loudspeaker detection module, a battery charging current test module, a battery discharging current test module, a microphone test module and a touch control module; the main control module, the power switch control module, the indicator light detection module, the speaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the power supply module; the power switch control module, the indicator light detection module, the loudspeaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the main control module. The power supply module is used for providing rated working voltage output; the power switch control module is used for realizing the enabling control of the power switch; the indicator light detection module is used for detecting whether an indicator light of the Bluetooth headset works normally or not; the loudspeaker detection module is used for detecting whether a loudspeaker of the Bluetooth headset is normally played; the battery charging current testing module is used for testing the charging current of the Bluetooth headset; the battery discharge current test module is used for testing the discharge current of the Bluetooth headset; the microphone testing module is used for testing the MIC microphone sound receiving function of the Bluetooth headset; the touch control module is used for detecting whether the touch function of the Bluetooth headset is normal or not. Therefore, the utility model effectively improves the testing efficiency of the Bluetooth headset and saves the labor cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic block diagram of a Bluetooth headset test control circuit in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic block diagram of a Bluetooth headset test control circuit according to another preferred embodiment of the present invention;
fig. 3 is a circuit diagram of a first indicator light detection unit of a bluetooth headset test control circuit according to a preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of a USB power control unit of a Bluetooth headset test control circuit according to a preferred embodiment of the present invention;
FIG. 5 is a circuit diagram of a battery power control unit of a Bluetooth headset test control circuit according to a preferred embodiment of the present invention;
FIG. 6 is a circuit diagram of a speaker detection module of a Bluetooth headset test control circuit according to a preferred embodiment of the present invention;
FIG. 7 is a circuit diagram of a battery charging current testing module of a Bluetooth headset testing control circuit according to a preferred embodiment of the present invention;
FIG. 8 is a circuit diagram of a battery discharging current testing module of a Bluetooth headset testing control circuit according to a preferred embodiment of the present invention;
fig. 9 is a circuit diagram of a call MIC test unit of a bluetooth headset test control circuit according to a preferred embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Example one
Fig. 1 shows a preferred embodiment of the present invention, which includes a main control module 1, a power supply module 2, a power switch control module 3, an indicator light detection module 4, a speaker detection module 5, a battery charging current test module 6, a battery discharging current test module 7, a microphone test module 8, and a touch control module 9; the main control module 1, the power switch control module 3, the indicator light detection module 4, the speaker detection module 5, the battery charging current test module 6, the battery discharging current test module 7, the microphone test module 8 and the touch control module 9 are respectively electrically connected with the power supply module 2; the power switch control module 3, the indicator light detection module 4, the speaker detection module 5, the battery charging current test module 6, the battery discharging current test module 7, the microphone test module 8 and the touch control module 9 are respectively electrically connected with the main control module 1. The power supply module 2 is used for providing rated working voltage output; the power switch control module 3 is used for realizing the enabling control of the power switch; the indicator light detection module 4 is used for detecting whether an indicator light of the Bluetooth headset works normally or not; the loudspeaker detection module 5 is used for detecting whether a loudspeaker of the Bluetooth headset is normally played; the battery charging current testing module 6 is used for testing the charging current of the Bluetooth headset; the battery discharge current test module 7 is used for testing the discharge current of the Bluetooth headset; the microphone testing module 8 is used for testing the MIC microphone sound receiving function of the Bluetooth headset; the touch control module 9 is used for detecting whether the touch function of the bluetooth headset is normal. Therefore, the utility model effectively improves the testing efficiency of the Bluetooth headset and saves the labor cost.
Preferably, the microphone testing module 8 includes a call MIC testing unit 81 and a noise reduction MIC testing unit 82; the conversation MIC test unit 81 is electrically connected with the power supply module 2 and the main control module 1 respectively, and the noise reduction MIC test unit 82 is electrically connected with the power supply module 2 and the main control module 1 respectively.
Preferably, the bluetooth headset test control circuit further comprises a display module 10 and a key control module 11; the display module 11 is electrically connected with the power supply module 2 and the main control module 1 respectively; the key control module 11 is electrically connected with the power supply module 2 and the main control module 1 respectively.
Preferably, the indicator light detection module 4 includes a first indicator light detection unit 41 and a second indicator light detection unit 42; the first indicator light detection unit 41 and the second indicator light detection unit 42 are electrically connected to the main control module 1, respectively.
Preferably, referring to fig. 3, the first indicator light detecting unit 41 includes a first resistor R1 and a first capacitor C1; the first resistor R1 and the first capacitor C1 are electrically connected to the main control module 1, respectively, and the second resistor R1 and the first capacitor C1 are grounded. It can be understood that, in this embodiment, the circuit structures of the second indicator light unit 42 and the first indicator light unit 41 are the same, and are not described herein again.
In this embodiment, the first indicator light detecting unit 41 and the second indicator light detecting unit 42 are a network structure of a blue earphone main control IO port, a first resistor R1, an LED, and a GND. For example, when an LED indicator of a bluetooth headset is normally on, the anode of the LED indicator is grounded; the first LED of the measured bluetooth headset indicated a lamp voltage of 1.92V, and the second LED indicated a lamp voltage of 2.76V. Whether the LED indicator lamp of the Bluetooth headset is normal or not is judged according to the voltage to ground of the LED indicator lamp detected by the AD pin of the main control module 1. When the first LED indicator lamp is not welded, the voltage to the ground of a positive pin (measuring point) of the first LED indicator lamp is measured to be about VDD (3.3V); when the first LED indicator lamp is damaged and short-circuited, the voltage of the measuring point to the ground is about 0V. And judging whether the current LED indicator lamp bead is damaged or not through the AD measured voltage value. The detection and judgment conditions of the second LED indicator light are similar to those of the first LED indicator light, and are not repeated herein.
Preferably, the power switch control module 3 includes a USB power control unit 31 and a battery power control unit 32; the USB power supply control unit 31 is respectively electrically connected with the main control module 1 and an external USB power supply, and the battery power supply control unit 32 is respectively electrically connected with the main control module 1 and a Bluetooth headset battery.
Preferably, referring to fig. 4, the USB power control unit 31 includes a first transistor Q1, a first fet Q2, a second fet Q3, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a second capacitor C2, and a third capacitor C3; a first end of the second resistor R2 and a first end of the third resistor R3 are electrically connected to the main control module 1, a second end of the second resistor R2 is electrically connected to a base of the first triode Q1, a collector of the first triode Q1 is electrically connected to a first end of the fourth resistor R4, a first end of the fifth resistor R5 and a first end of the sixth resistor R6, a second end of the third resistor R3 and an emitter of the first triode Q1 are grounded, a second end of the fourth resistor R4 is electrically connected to the external USB power source, a source of the first fet Q2 and a first end of the second capacitor C2, a second end of the fifth resistor R5 is electrically connected to a gate of the first fet Q2, and a drain of the first fet Q2 is electrically connected to a first end of the third capacitor C3 and a drain of the second fet Q3, a second terminal of the sixth resistor R6 is electrically connected to the gate of the second fet Q3, the source of the second fet Q3 is grounded, and a second terminal of the second capacitor C2 and a second terminal of the third capacitor C3 are grounded. It is understood that, in the present embodiment, the USB power control unit 31 is configured to implement on-off control of a USB input power external to the bluetooth headset.
Preferably, referring to fig. 5, the battery power control unit 32 includes a second transistor Q4, a third fet Q5, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a fourth capacitor C4, and a fifth capacitor C5; a first end of the seventh resistor R7 and a first end of the eighth resistor R8 are electrically connected to the main control module 1 respectively, a second terminal of the seventh resistor R7 is electrically connected to the base of the second transistor Q4, a second terminal of the eighth resistor R8 and the emitter of the second transistor Q4 are grounded, the collector of the second transistor Q4 is electrically connected to the first terminal of the ninth resistor R9 and the first terminal of the tenth resistor R10 respectively, a second end of the ninth resistor R9 is electrically connected to a power input terminal, a source of the third fet Q5, and a first end of the fourth capacitor C4, respectively, a second terminal of the tenth resistor R10 is electrically connected to the gate of the third fet Q5, the drain electrode of the third field effect transistor Q5 is electrically connected with the bluetooth headset battery and the first end of the fifth capacitor C5, respectively, and the second end of the fifth capacitor C5 is grounded. It is understood that, in the present embodiment, the battery power control unit 32 is used to implement the switch control of the battery output power of the bluetooth headset.
Preferably, referring to fig. 6, in the present embodiment, the resistor R11 and the resistor R12 are used as a virtual speaker to test a voltage difference between two ends of a speaker signal, so as to determine whether the speaker plays sound. A specific measurement circuit can be seen in fig. 6. Because the sound is an alternating current signal, in the measurement process, the two ADIO ports of the main control module 1 quickly acquire the absolute value data of the AD data difference value at the current moment as the basis of the current playing sound.
Preferably, referring to fig. 8, a resistor R13 is connected between the externally connected ground of the lithium battery and the ground of the bluetooth headset testing apparatus of this embodiment, and the charging current (mA level) of the bluetooth headset can be obtained through the voltage of the AD measuring resistor R14 of the main control module 1.
Preferably, referring to fig. 7, a resistor R14 is connected between the ground of the bluetooth headset and the ground of the bluetooth headset testing apparatus of this embodiment, and the working current (mA level) of the bluetooth headset can be calculated by measuring the voltage of the resistor R14 through the AD of the main control module 1. When the resistance of the switching resistor R14 is switched to 1KR (1 kiloohm), the sleep current (uA class) of the bluetooth headset is measured.
Preferably, referring to fig. 9, the microphone testing module is configured to implement function detection of an MIC microphone in a bluetooth headset call state. A small loudspeaker capable of playing sound is arranged near an MIC microphone on the mechanical structure of the Bluetooth headset testing device; when the Bluetooth headset is connected to the Bluetooth headset testing device through Bluetooth, and the start-up enabling of the key control module is pressed down, so that the Bluetooth headset testing device enters an MIC microphone testing state; through conversation MIC test unit 81 reaches it is connected to two microphones MIC of bluetooth headset respectively to fall MIC test unit 82 of making an uproar on, carry out signal sampling to carry out triode AC filter to two tunnel sampling signals and enlarge, use with the detection has or not weak MIC signal, thereby whether the MIC microphone of test bluetooth headset is good. In this embodiment, the circuit structure of the noise reduction MIC testing unit 82 is the same as that of the call MIC testing unit 81, and is not described herein again.
Example two
In a second aspect, the utility model further discloses a bluetooth headset test control device, which includes the bluetooth headset test control circuit in the first embodiment.
In summary, the bluetooth headset test control circuit provided by the utility model comprises a main control module 1, a power supply module 2, a power switch control module 3, an indicator light detection module 4, a speaker detection module 5, a battery charging current test module 6, a battery discharging current test module 7, a microphone test module 8 and a touch control module 9; the main control module 1, the power switch control module 3, the indicator light detection module 4, the speaker detection module 5, the battery charging current test module 6, the battery discharging current test module 7, the microphone test module 8 and the touch control module 9 are respectively electrically connected with the power supply module 2; the power switch control module 3, the indicator light detection module 4, the speaker detection module 5, the battery charging current test module 6, the battery discharging current test module 7, the microphone test module 8 and the touch control module 9 are respectively electrically connected with the main control module 1. Therefore, the utility model effectively improves the testing efficiency of the Bluetooth headset and saves the labor cost.
The above detailed description is provided for the test control circuit and device of the bluetooth headset provided by the present invention, and a specific example is applied in this document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and in summary, the content of the present specification is only an implementation of the present invention, and not a limitation to the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the utility model.
Claims (9)
1. A Bluetooth headset test control circuit, comprising: the device comprises a main control module, a power supply module, a power switch control module, an indicator light detection module, a loudspeaker detection module, a battery charging current test module, a battery discharging current test module, a microphone test module and a touch control module; the main control module, the power switch control module, the indicator light detection module, the speaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the power supply module; the power switch control module, the indicator light detection module, the loudspeaker detection module, the battery charging current test module, the battery discharging current test module, the microphone test module and the touch control module are respectively electrically connected with the main control module.
2. The bluetooth headset test control circuit according to claim 1, wherein the microphone test module comprises a call MIC test unit and a noise reduction MIC test unit; the call MIC test unit is respectively and electrically connected with the power supply module and the main control module, and the noise reduction MIC test unit is respectively and electrically connected with the power supply module and the main control module.
3. The bluetooth headset test control circuit according to claim 1, further comprising a display module and a key control module; the display module is electrically connected with the power supply module and the main control module respectively; the key control module is electrically connected with the power supply module and the main control module respectively.
4. The bluetooth headset test control circuit according to claim 1, wherein the indicator light detection module comprises a first indicator light detection unit and a second indicator light detection unit; the first indicator light detection unit and the second indicator light detection unit are respectively electrically connected with the main control module.
5. The bluetooth headset test control circuit according to claim 1, wherein the power switch control module comprises a USB power control unit and a battery power control unit; the USB power supply control unit is respectively electrically connected with the main control module and an external USB power supply, and the battery power supply control unit is respectively electrically connected with the main control module and the Bluetooth headset battery.
6. The bluetooth headset test control circuit according to claim 4, wherein the first indicator light detection unit comprises a first resistor and a first capacitor; the first resistor and the first end of the first capacitor are respectively electrically connected with the main control module, and the second end of the first resistor and the second end of the first capacitor are grounded.
7. The Bluetooth headset test control circuit of claim 5, wherein the USB power control unit comprises a first triode, a first field effect transistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor and a third capacitor; the first end of the second resistor and the first end of the third resistor are respectively and electrically connected with the main control module, the second end of the second resistor is electrically connected with the base electrode of the first triode, the collector electrode of the first triode is respectively and electrically connected with the first end of the fourth resistor, the first end of the fifth resistor and the first end of the sixth resistor, the second end of the third resistor and the emitter electrode of the first triode are grounded, the second end of the fourth resistor is respectively and electrically connected with the external USB power supply, the source electrode of the first field effect transistor and the first end of the second capacitor, the second end of the fifth resistor is electrically connected with the grid electrode of the first field effect transistor, the drain electrode of the first field effect transistor is respectively and electrically connected with the first end of the third capacitor and the drain electrode of the second field effect transistor, and the second end of the sixth resistor is electrically connected with the grid electrode of the second field effect transistor, the source electrode of the second field effect transistor is grounded, and the second end of the second capacitor and the second end of the third capacitor are grounded.
8. The bluetooth headset test control circuit according to claim 5, wherein the battery power control unit includes a second triode, a third fet, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a fourth capacitor, and a fifth capacitor; the first end of the seventh resistor and the first end of the eighth resistor are respectively and electrically connected with the main control module, the second end of the seventh resistor is electrically connected with the base electrode of the second triode, the second end of the eighth resistor and the emitter electrode of the second triode are grounded, the collector electrode of the second triode is respectively and electrically connected with the first end of the ninth resistor and the first end of the tenth resistor, the second end of the ninth resistor is respectively and electrically connected with the power input end, the source electrode of the third field-effect transistor and the first end of the fourth capacitor, the second end of the tenth resistor is electrically connected with the gate electrode of the third field-effect transistor, the drain electrode of the third field-effect transistor is electrically connected with the bluetooth headset battery and the first end of the fifth capacitor, and the second end of the fifth capacitor is grounded.
9. A bluetooth headset test control device, characterized in that it comprises a bluetooth headset test control circuit according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696321.1U CN216057495U (en) | 2021-07-23 | 2021-07-23 | Bluetooth headset test control circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696321.1U CN216057495U (en) | 2021-07-23 | 2021-07-23 | Bluetooth headset test control circuit and device |
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| CN216057495U true CN216057495U (en) | 2022-03-15 |
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| CN202121696321.1U Active CN216057495U (en) | 2021-07-23 | 2021-07-23 | Bluetooth headset test control circuit and device |
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| CN (1) | CN216057495U (en) |
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2021
- 2021-07-23 CN CN202121696321.1U patent/CN216057495U/en active Active
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