CN210609712U - Audio system with loudspeaker self-checking function, lock and vehicle - Google Patents
Audio system with loudspeaker self-checking function, lock and vehicle Download PDFInfo
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- CN210609712U CN210609712U CN201922105653.7U CN201922105653U CN210609712U CN 210609712 U CN210609712 U CN 210609712U CN 201922105653 U CN201922105653 U CN 201922105653U CN 210609712 U CN210609712 U CN 210609712U
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Abstract
The utility model provides an audio system, lock and vehicle with loudspeaker self-checking function, wherein, this audio system includes loudspeaker module, loudspeaker detection module, audio power amplifier module and controller module, wherein: the loudspeaker module is electrically connected with the audio power amplifier module; the horn detection module is electrically connected with the horn module so as to detect the internal connection state of the horn module; the controller module with audio power amplifier module and loudspeaker detection module electric connection is used for controlling loudspeaker detection module and audio power amplifier module. The self-checking process of the horn module does not need manual inspection, and the maintenance cost of the vehicle lock and the horn can be saved. The loudspeaker inspection process is automatically carried out by matching hardware with software, manual intervention is not needed, and the labor cost is effectively saved.
Description
Technical Field
The utility model relates to a sharing bicycle field, in particular to audio system, lock and vehicle with loudspeaker self-checking function.
Background
The sharing of the single bicycle refers to that an enterprise provides bicycle sharing service in a campus, a subway station, a bus station, a residential area, a commercial area, a public service area and the like, and the sharing mode is a time-sharing rental mode. The sharing bicycle brings great convenience to people for short-distance travel in the city.
The existing shared bicycle lock is generally an electronic intelligent lock, functions such as unlocking and fault reporting can be realized by remotely connecting a server through mobile communication, meanwhile, a loudspeaker is generally arranged in the electronic intelligent lock, and when a user switches on, switches off and uses the lock, the loudspeaker can play prompt information such as a bicycle brand and the like, so that the use experience satisfaction degree of the user is improved; follow-up perhaps even broadcast some propaganda advertisement to the service consumer, improve the added value of bicycle, the loudspeaker in the visible electronic intelligent lock is very useful indispensable external equipment. However, as the frequency of the shared bicycle increases and the shared bicycle is consumed daily, the horn in the electronic intelligent lock may be disconnected, and if the state of the horn of millions of shared bicycles released in a city is checked daily manually, a large amount of manpower and material resources are consumed, and the enterprise burden is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an audio system, lock and vehicle with loudspeaker self-checking function according to above-mentioned prior art not enough.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides an audio system with loudspeaker self-checking function, its includes loudspeaker module, loudspeaker detection module, audio power amplifier module and controller module, wherein:
the loudspeaker module is electrically connected with the audio power amplifier module;
the horn detection module is electrically connected with the horn module so as to detect the internal connection state of the horn module;
the controller module with audio power amplifier module and loudspeaker detection module electric connection is used for controlling loudspeaker detection module and audio power amplifier module.
The utility model discloses a further improvement lies in, audio power amplifier module and loudspeaker detection module through different buses with controller module electric connection.
The utility model discloses a further improvement lies in, audio power amplifier module and/or be provided with in the loudspeaker detection module and receive the bus strobe switch of controller module control.
The utility model discloses a further improvement lies in, the controller module is connected with mobile communication module, the controller module passes through mobile communication module is connected with the remote server communication.
The utility model discloses a further improvement lies in, the controller module still includes the analog-to-digital conversion end, loudspeaker detection module include with the detection end that the analog-to-digital conversion end electricity is connected.
The utility model discloses a further improvement lies in, the audio system includes the chip, wherein the chip includes partial loudspeaker detection module and partial audio power amplifier module; the loudspeaker detection module comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; wherein, the first end of the first resistor is electrically connected with the first pin of the chip U0702, the first end of the first resistor is electrically connected with the first end of the second capacitor, the second end of the second capacitor is grounded, the second end of the first resistor is electrically connected with the first end of the first capacitor, the second end of the first capacitor is grounded, the first end of the first capacitor is electrically connected with the DC power supply VA, the first end of the third resistor is electrically connected with the second pin of the chip, the first end of the third resistor is electrically connected with the first end of the third capacitor, the second end of the third capacitor is grounded with the second end of the third resistor, the first end of the third capacitor is electrically connected with the first end of the second resistor, the second end of the second resistor is electrically connected with the first end of the fourth capacitor, and the second end of the fourth capacitor is grounded, the first end of the second resistor forms the detection end, and the detection end is electrically connected with the analog-to-digital conversion end of the controller module.
The utility model discloses a further improvement lies in, the first pin of loudspeaker module with the third pin electricity of chip is connected, the second pin of loudspeaker module with the fourth pin electricity of chip is connected, the third pin of loudspeaker module with the fourth pin ground connection of loudspeaker module.
The utility model discloses a further improvement lies in, loudspeaker module includes first magnetic bead, second magnetic bead and loudspeaker; the first end of the first magnetic bead is electrically connected with the third pin of the chip, the second end of the first magnetic bead is electrically connected with the first end of the horn, the second end of the horn is electrically connected with the first end of the second magnetic bead, and the second end of the second magnetic bead is electrically connected with the fourth pin of the chip.
The utility model discloses still relate to an audio system's operating method with loudspeaker self-checking function, it includes following step:
responding to an operation instruction of a remote server, and closing the loudspeaker detection module; in response to an instruction of a remote server, the controller module controls the audio power amplification module to amplify audio power and drives the loudspeaker module to play audio signals;
responsive to a non-operational instruction of the remote server, gating the horn detection module; in response to an instruction of a remote server, the controller module controls the horn detection module to detect the internal connection state of the horn module.
The utility model discloses a further improvement lies in, the controller module will through mobile communication module the connection status of audio power amplifier module and loudspeaker detection module detects internal connection status sends to remote server.
The utility model discloses still relate to a lock, it includes foretell audio system who has loudspeaker self-checking function.
The utility model discloses still relate to a vehicle, it includes foretell lock.
The utility model discloses an audio system, lock and vehicle with loudspeaker self-checking function's beneficial effect is: the manual inspection is not needed, and the maintenance cost of the vehicle lock and the horn can be saved. The loudspeaker inspection process is automatically carried out by matching hardware with software, manual intervention is not needed, and the labor cost is effectively saved.
Drawings
Fig. 1 is a schematic diagram of an audio system with a horn self-test function.
Fig. 2 is a schematic diagram of a circuit of an audio system with a speaker self-test function according to an embodiment of the present invention.
The reference numbers are as follows:
1 loudspeaker module, 2 loudspeaker detection module, 3 audio power amplifier module, 4 controller module,
5 mobile communication module, 6 remote server.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
As shown in fig. 1, the utility model discloses an audio system with loudspeaker self-checking function, it includes loudspeaker module 1, loudspeaker detection module 2, audio power amplifier module 3 and controller module 4, wherein: the loudspeaker module 1 is electrically connected with the audio power amplifier module 3; the horn detection module 2 is electrically connected with the horn module 1 so as to detect the internal connection state of the horn module 1; the controller module 4 is electrically connected with the audio power amplifier module 3 and the loudspeaker detection module 2, and is used for controlling the loudspeaker detection module 2 and the audio power amplifier module 3.
The horn detection module 2 is used for detecting the internal connection state of the horn module 1 under the control of the controller module 4. The horn module 1 includes a horn, and when the internal connection state of the horn module 1 is abnormal, the horn module 1 cannot normally operate. Loudspeaker detection module 2 is connected with the loudspeaker in the loudspeaker module 1, and loudspeaker detection module 2 is through measuring the voltage at loudspeaker both ends to carry out analog-to-digital conversion to the voltage that detects and obtain the voltage value at loudspeaker both ends, loudspeaker detection module 2 can be according to the voltage value at loudspeaker both ends and judge whether loudspeaker module 1's internal connection state is normal.
The horn detection module 2 includes a dc power supply and two test resistors. One end of a horn in the horn module 1 is connected with a test resistor in series and then is powered by a direct current power supply. Specifically, two ends of the direct current power supply are respectively connected with one pin of the two testing resistors, and the other pin of the two testing resistors is respectively connected with two input ends of the horn. During the process of measuring the horn module 1 by the horn detection module 2, a direct-current power supply is used for supplying power to the test resistor and the horn, and meanwhile, the horn detection module 2 measures the voltage between two input ends of the horn. The voltage between the two input terminals of the horn is different between the two states of normal connection and disconnection of the horn. By measuring the voltage between the two inputs of the horn, it can be determined whether the horn is properly connected. For example, when the connection of the horn is disconnected, the voltage measured across the horn is the voltage across the dc power supply. When the connection of the horn is normal, the voltage at the two ends of the horn is close to zero at the moment because the internal resistance of the horn is very small.
The controller module 4 can comprise a singlechip, an FPGA, a DSP, a PLC and other control devices. The controller module 4 is electrically connected with the audio power amplifier module 3 and the loudspeaker detection module 2 through different buses. The controller module 4 can send audio signals to the audio power amplifier module 3 through the bus, the audio power amplifier module 3 sends the audio power of the audio signals to the loudspeaker module 1 after amplifying, and the loudspeaker module 1 is used for converting the audio signals into sound signals to be played outwards. The controller module 4 may read the internal connection state of the horn module 1 detected by the horn detecting module 2 through the bus.
Bus gating switches controlled by the controller module 4 are arranged in the audio power amplifier module 3 and the loudspeaker detection module 2. The controller module 4 can control the connection state of the loudspeaker module 1, the audio power amplifier module 3 and the loudspeaker detection module 2 through each bus gating switch. The connection state between the controller module 4 and the audio power amplifier module 3 is stored in the controller module 4.
In addition, the controller module 4 is also connected with a mobile communication module 5, and the controller module 4 can be connected with a remote server 6 through the mobile communication module 5. The controller module 4 can report the internal connection state of the horn module 1 detected by the horn detection module 2 to the remote server 6 through the mobile communication module 5, and if the connection state of the horn module 1 is abnormal, the remote server 6 can inform relevant operation and maintenance personnel to maintain the horn module in time. In addition, the controller module 4 can also report the connection state between the controller module 4 and the audio power amplifier module 3 to the remote server 6 through the mobile communication module 5. The connection state between the controller module 4 and the audio power amplifier module 3 refers to the state of a bus gating switch inside the audio power amplifier module 3.
Further referring to fig. 2, a schematic diagram of a part of the circuit principle of an audio system with a speaker self-checking function according to the present invention is shown. The controller module 4 further includes an analog-to-digital conversion terminal, and the horn detection module 2 includes a detection terminal (i.e., SPK _ DET _ ADC in fig. 2) electrically connected to the analog-to-digital conversion terminal. As shown in fig. 2, the chip U0702 includes a part of the horn detection module 2 and a part of the audio power amplifier module 3, the controller module 4 is not shown in fig. 2, and in a specific embodiment, the model of the chip U0702 may be AW 87337.
The horn detection module 2 further comprises a first resistor R0703, a second resistor R0701, a third resistor R0708, a first capacitor C0705, a second capacitor C0727, a third capacitor C0706 and a fourth capacitor C0726; the R0703, R0701, R0708, C0705, C0727, C0706 and C0726 respectively represent the number of the corresponding component, and do not limit the type of the corresponding component, and the type of the corresponding component can be selected as required, which is not limited herein.
Wherein a first terminal of the first resistor R0703 is electrically connected with a first pin (i.e. pin B2 shown in fig. 2) of the chip U0702, a first terminal of the first resistor R0703 is electrically connected with a first terminal of the second capacitor C0727, a second terminal of the second capacitor C0727 is grounded, a second terminal of the first resistor R0703 is electrically connected with a first terminal of the first capacitor C0705, a second terminal of the first capacitor C0705 is grounded, a first terminal of the first capacitor C0705 is electrically connected with a dc power supply VA, a first terminal of the third resistor R0708 is electrically connected with a second terminal (i.e. pin C3 shown in fig. 2) of the chip U0702, a first terminal of the third resistor R0708 is electrically connected with a first terminal of the third capacitor C0706, a second terminal of the third capacitor C0706 is electrically connected with a second terminal of the third resistor R0708, and a first terminal of the third capacitor C0706 is electrically connected with a second terminal of the second resistor R0701, a second end of the second resistor R0701 is electrically connected with a first end of the fourth capacitor C0726, a second end of the fourth capacitor C0726 is grounded, the first end of the second resistor R0701 forms the detection end, and the detection end is electrically connected with an analog-to-digital conversion end of the controller module 4. Wherein the first resistor R0703 and the third resistor R0708 are the test resistors.
As shown in fig. 2, the first pin of the horn module 1 (i.e., the pin J0707 shown in fig. 2) is electrically connected to the third pin of the chip U0702 (i.e., the pin B4 shown in fig. 2), the second pin of the horn module 1 is electrically connected to the fourth pin of the chip U0702 (i.e., the pin D4 shown in fig. 2), and the third pin of the horn module 1 and the fourth pin of the horn module 1 are grounded.
In other embodiments, the speaker module 1 may further include a first magnetic bead, a second magnetic bead, and a speaker; the first end of the first magnetic bead is electrically connected to a third pin (i.e., pin B4 shown in fig. 2) of the chip U0702, the second end of the first magnetic bead is electrically connected to the first end of the horn, the second end of the horn is electrically connected to the first end of the second magnetic bead, and the second end of the second magnetic bead is electrically connected to a fourth pin (i.e., pin D4 shown in fig. 2) of the chip U0702. The magnetic beads are used for preventing the loudspeaker from being interfered and preventing the loudspeaker from having noise.
Specifically, the audio power amplifier module 3 and/or the horn detection module 2 include a bus gating switch controlled by the controller module 4, and in a normal working state, the bus gating switch of the audio power amplifier module 3 and/or the horn detection module 2 is gated or closed, so that the audio power amplifier module 3 is electrically connected with the horn module 1, and the horn module 1 is disconnected from the horn detection module 2, and the internal connection state of the horn module 1 is not detected; under the detection state, audio power amplifier module 3 and/or loudspeaker detection module 2 the bus gating switch is gated or closed to make just audio power amplifier module 3 with loudspeaker module 1 breaks off the electricity and connects, and loudspeaker module 1 with loudspeaker detection module 2 electricity is connected. And the controller module 4 receives the electric signal sent by the detection end through the analog-to-digital conversion end, and judges the internal connection of the horn module 1. For example, when the connection of the horn is disconnected, the voltage measured across the horn is the voltage across the dc power supply. When the connection of the horn is normal, the voltage at the two ends of the horn is close to zero at the moment because the internal resistance of the horn is very small. And because the voltage at the two ends of the horn changes, the change of the detection end is directly caused, and then the controller module 4 can judge the connection state of the horn module 1 through the state change of the analog-to-digital conversion end.
The utility model discloses still relate to an above-mentioned audio system's that has loudspeaker self-checking function working method, this method includes following step:
the remote server sends an operation instruction to the audio system according to a planned task or a request of a user, and the controller module 4 enters an operation state after receiving the operation instruction through the mobile communication module 5. In response to the operation instruction of the remote server, the controller module 4 closes the horn detection module 2 through the corresponding bus switch, and gates the audio power amplifier module 3. When the audio system is required to play the audio signal, the remote server sends a corresponding instruction to the audio system. In response to the instruction of the remote server, the controller module 4 sends an audio signal to the audio power amplifier module 3, and controls the audio power amplifier module 3 to amplify the audio power, so as to drive the speaker module 1 to play the audio signal. The audio signal may be music, advertising or other sounds.
After the operation time period is over, the remote server sends a non-operation instruction to the audio system, responds to the non-operation instruction, and the controller module 4 gates the loudspeaker detection module 2 and closes the audio power amplifier module 3. After receiving the non-operation instruction, the controller module 4 detects the internal connection state of the horn module 1 through the horn detection module 2. The state of the horn module 1 can be remotely and automatically detected through the horn detection module 2, manual intervention is not needed, and the labor cost is effectively saved.
Bus gating switches controlled by the controller module 4 are arranged in the audio power amplifier module 3 and the loudspeaker detection module 2. The controller module 4 controls the corresponding bus gating switch to gate and close the audio power amplifier module 3 and the loudspeaker detection module 2. Namely, the audio power amplifier module 3 and the loudspeaker module 1 are controlled to be switched on or off according to the control result of the gating switch, and the loudspeaker module 1 and the loudspeaker detection module 2 are controlled to be switched on or off according to the control result of the gating switch.
After the horn detection module 2 detects, the internal connection state of the horn module 1 detected by the horn detection module is sent to the controller module 4 through the bus, the controller module 4 sends the internal connection state of the horn module 1 to the remote server 6 through the mobile communication module 5, and meanwhile, the controller module 4 also sends the connection state between the audio power amplifier module 3 and the controller module 4 to the remote server 6. When the connection state of a certain horn module 1 is abnormal, the remote server 6 notifies a maintenance person to maintain the corresponding horn module 1.
In addition, the controller module 4 can communicate with the audio power amplifier module 3 through the bus, and in the process of reporting the state, the controller module 4 also reports the connection state between the audio power amplifier module 3 and the controller module 4 to the remote server 6 through the mobile communication module 5.
The utility model discloses still relate to a lock, this lock is for the intelligent lock that is used for sharing bicycle. The vehicle lock comprises the audio system with the loudspeaker self-checking function.
The utility model discloses still relate to a vehicle, it includes above-mentioned lock. The vehicle is a bicycle, a moped, an electric motorcycle, an electric vehicle or an automobile. The vehicle lock is mounted on a body of the vehicle.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an audio system with loudspeaker self-checking function which characterized in that, includes loudspeaker module, loudspeaker detection module, audio power amplifier module and controller module, wherein:
the loudspeaker module is electrically connected with the audio power amplifier module;
the horn detection module is electrically connected with the horn module so as to detect the internal connection state of the horn module;
the controller module with audio power amplifier module and loudspeaker detection module electric connection is used for controlling loudspeaker detection module and audio power amplifier module.
2. The audio system according to claim 1, wherein the audio power amplifier module and the speaker detection module are electrically connected to the controller module through different buses.
3. The audio system with the loudspeaker self-checking function according to claim 2, wherein a bus gating switch controlled by the controller module is disposed in the audio power amplifier module and/or the loudspeaker detection module.
4. The audio system with the loudspeaker self-checking function as claimed in claim 1, wherein a mobile communication module is connected to the controller module, and the controller module is in communication connection with a remote server through the mobile communication module.
5. The audio system with the loudspeaker self-checking function as claimed in claim 1, wherein the controller module further comprises an analog-to-digital conversion terminal, and the loudspeaker detection module comprises a detection terminal electrically connected to the analog-to-digital conversion terminal.
6. The audio system with the loudspeaker self-checking function according to claim 5, wherein the audio system comprises a chip, wherein the chip comprises a part of the loudspeaker detection module and a part of the audio power amplifier module; the loudspeaker detection module comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; wherein, the first end of the first resistor is electrically connected with the first pin of the chip U0702, the first end of the first resistor is electrically connected with the first end of the second capacitor, the second end of the second capacitor is grounded, the second end of the first resistor is electrically connected with the first end of the first capacitor, the second end of the first capacitor is grounded, the first end of the first capacitor is electrically connected with the DC power supply VA, the first end of the third resistor is electrically connected with the second pin of the chip, the first end of the third resistor is electrically connected with the first end of the third capacitor, the second end of the third capacitor is grounded with the second end of the third resistor, the first end of the third capacitor is electrically connected with the first end of the second resistor, the second end of the second resistor is electrically connected with the first end of the fourth capacitor, and the second end of the fourth capacitor is grounded, the first end of the second resistor forms the detection end, and the detection end is electrically connected with the analog-to-digital conversion end of the controller module.
7. The audio system with the loudspeaker self-checking function according to claim 6, wherein the first pin of the loudspeaker module is electrically connected to the third pin of the chip, the second pin of the loudspeaker module is electrically connected to the fourth pin of the chip, and the third pin of the loudspeaker module and the fourth pin of the loudspeaker module are grounded.
8. The audio system with the loudspeaker self-test function as recited in claim 6, wherein the loudspeaker module comprises a first magnetic bead, a second magnetic bead and a loudspeaker; the first end of the first magnetic bead is electrically connected with the third pin of the chip, the second end of the first magnetic bead is electrically connected with the first end of the horn, the second end of the horn is electrically connected with the first end of the second magnetic bead, and the second end of the second magnetic bead is electrically connected with the fourth pin of the chip.
9. A vehicle lock comprising the audio system with a speaker self-checking function according to any one of claims 1 to 8.
10. A vehicle comprising the lock of claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019204630342 | 2019-04-08 | ||
| CN201920463034 | 2019-04-08 |
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| CN210609712U true CN210609712U (en) | 2020-05-22 |
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| CN201922105653.7U Active CN210609712U (en) | 2019-04-08 | 2019-11-29 | Audio system with loudspeaker self-checking function, lock and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963248A (en) * | 2019-04-08 | 2019-07-02 | 上海钧正网络科技有限公司 | A kind of audio system and its working method with loudspeaker self-checking function |
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2019
- 2019-11-29 CN CN201922105653.7U patent/CN210609712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963248A (en) * | 2019-04-08 | 2019-07-02 | 上海钧正网络科技有限公司 | A kind of audio system and its working method with loudspeaker self-checking function |
| CN109963248B (en) * | 2019-04-08 | 2023-05-05 | 上海钧正网络科技有限公司 | Audio system with loudspeaker self-checking function and working method thereof |
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