CN219105568U - Prevent sound wave drive of inefficacy and leave ware - Google Patents
Prevent sound wave drive of inefficacy and leave ware Download PDFInfo
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- CN219105568U CN219105568U CN202223421645.1U CN202223421645U CN219105568U CN 219105568 U CN219105568 U CN 219105568U CN 202223421645 U CN202223421645 U CN 202223421645U CN 219105568 U CN219105568 U CN 219105568U
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Abstract
The utility model relates to the technical field of acoustic wave driving and discloses an anti-failure acoustic wave driver, which comprises a control unit, a buzzer array, a second control unit, a first switch unit, a boosting unit and a second switch unit, wherein the control unit is connected with the buzzer array; the control unit is in communication connection with the second control unit; the control unit is electrically connected with the control end of the first switch unit; the second control unit is electrically connected with the input end of the first switch unit; the output end of the first switch unit is electrically connected with the control end of the second switch unit, and the input end and the output end of the second switch unit are respectively electrically connected with the boosting unit and the buzzer array; when the buzzer array is in actual use, the frequency signal output by the second control unit is input to the second switch unit through the first switch unit, and the on-off of the first switch unit is controlled by the control unit, so that when the second control unit fails, the frequency signal cannot be input to the second switch unit due to the fact that the first switch unit is not conducted, and the input voltage of the buzzer array cannot emit sound waves.
Description
Technical Field
The utility model relates to the technical field of acoustic wave driving, in particular to an anti-failure acoustic wave driving device.
Background
The sound wave driving device is active security equipment capable of emitting high-intensity stimulated sound waves and is commonly used in unmanned areas such as finance, schools and the like. When in actual use, the acoustic wave driving device can effectively interfere criminal behaviors in the middle stage, physically interfere criminals, timely drive intruders away, and accordingly personal and property safety is protected to the greatest extent.
The working principle of the existing acoustic wave driving device is as follows: a signal generating unit generates high-low level signals with certain frequency, and the high-low level signals are processed by an external signal processing circuit and then are input into the buzzer array, so that the buzzer array outputs sound waves for driving. In general, the signal generating unit may be a controller, such as a PLC or a single-chip microcomputer, where the controller fails in actual use, that is, when the buzzer array is not required to emit sound waves, the controller still outputs a signal to drive the buzzer array to emit sound waves, and the failure condition generates noise to affect nearby people.
Disclosure of Invention
In view of the shortcomings of the background technology, the utility model provides an anti-failure acoustic wave driver, and aims to solve the technical problem of reducing the failure probability of the acoustic wave driver.
In order to solve the technical problems, the utility model provides the following technical scheme: an anti-failure acoustic wave driver comprises a control unit, a buzzer array, a second control unit, a first switch unit, a boosting unit and a second switch unit;
the control unit is in communication connection with the second control unit; the control unit is electrically connected with the control end of the first switch unit and is configured to generate a control signal for controlling the on-off of the first switch unit;
the second control unit is electrically connected with the input end of the first switch unit and is configured to generate a frequency signal input to the input end of the first switch unit;
the output end of the first switch unit is electrically connected with the control end of the second switch unit, the input end of the second switch unit is electrically connected with the voltage output end of the boosting unit, and the output end of the second switch unit is electrically connected with the buzzer array.
When the frequency signal generating by the second control unit is actually used, the frequency signal is not directly input to the second switch unit, but is firstly input to the first switch unit, and only when the control unit drives the first switch unit to be conducted, the frequency signal can be input to the control end of the second switch unit through the first switch unit to drive the second switch unit to be conducted, so that the output voltage of the boosting unit is input to the buzzer array through the second switch unit, and the buzzer array emits sound waves.
The failure prevention analysis of the present utility model is as follows: when the second control unit fails to output the frequency signal, the on-off of the first switch unit is controlled by the control unit, and when the first switch unit is disconnected, the frequency signal is not input to the second switch unit to enable the second switch unit to be conducted, so that the buzzer array is prevented from emitting sound waves.
In some embodiments, the control unit and the second control unit are communicatively connected via a serial port.
In a certain embodiment, the first switching unit includes a transistor or a MOS transistor, and the second switching unit includes a transistor or a MOS transistor.
In a certain implementation, the control unit comprises a single-chip microcomputer, and the second control unit comprises a second single-chip microcomputer.
In an embodiment, the utility model further comprises an image capturing unit and a storage unit, wherein the control unit is respectively and electrically connected with the image capturing unit and the storage unit, and the control unit stores the image information captured by the image capturing unit in the storage unit.
When the device is in actual use, the control unit can record surrounding image information through the image pickup unit, so that information of personnel involved in the event can be conveniently picked up, and follow-up investigation is facilitated.
In an embodiment, the utility model further comprises a motor, an amplifying unit and a supporting plate, wherein the control unit inputs a motor driving signal to the amplifying unit, the amplifying unit amplifies the motor driving signal and inputs the motor driving signal to the motor, the rotating end of the motor is connected with the supporting plate, and the image pickup unit is mounted on the supporting plate.
When in actual use, the control unit can drive the camera unit to rotate through the motor, and can shoot more range of image information.
In a certain embodiment, the control unit is further electrically connected to an ethernet interface unit.
Compared with the prior art, the utility model has the following beneficial effects: the frequency signal output by the second control unit is input to the control end of the second switch unit through the first switch unit, and the on-off of the first switch unit is controlled by the control unit, so that when the second control unit fails, the frequency signal is not input to the second switch unit because the first switch unit is not conducted, and further the input voltage of the buzzer array cannot emit sound waves.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model in an embodiment;
fig. 2 is a schematic diagram illustrating connection between a motor and a support plate in an embodiment.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
As shown in fig. 1, an anti-failure acoustic wave driver comprises a control unit 1, a buzzer array 7, a second control unit 2, a first switch unit 3, a boosting unit 6 and a second switch unit 5;
the control unit 1 is in communication connection with the second control unit 2; the control unit 1 is electrically connected with the control end of the first switch unit 3 and is configured to generate a control signal for controlling the on-off of the first switch unit 3;
the second control unit 2 is electrically connected with the input end of the first switch unit 3 and is configured to generate a frequency signal input to the input end of the first switch unit 3;
the output end of the first switch unit 3 is electrically connected with the control end of the second switch unit 5, the input end of the second switch unit 5 is electrically connected with the input end of the boost unit 6, and the output end of the second switch unit 5 is electrically connected with the buzzer array 7.
In actual use, the frequency signal generated by the second control unit 2 is not directly input to the second switch unit 5, but is input to the first switch unit 3, and only when the control unit 1 drives the first switch unit 3 to be turned on, the frequency signal can be input to the control end of the second switch unit 5 through the first switch unit 3, and drives the second switch unit 5 to be turned on, so that the output voltage of the boost unit 6 is input to the buzzer array 7 through the second switch unit 5, and the buzzer array 7 emits sound waves.
In actual use, the control unit 1 may receive a control signal sent by the peripheral cloud platform to drive the first switch unit 3 to be turned on, and after receiving the control signal, the control unit 1 may send a frequency signal generating instruction to the second control unit 2, so that the second control unit 2 generates a frequency signal, and thus the frequency signal can be input to the second switch unit 5 through the first switch unit 3.
The failure prevention analysis of the present utility model is as follows: when the second control unit 2 fails to output the frequency signal, the on-off of the first switch unit 3 is controlled by the control unit 1, and when the first switch unit 3 is turned off, the frequency signal is not input to the second switch unit 5 to enable the second switch unit 5 to be turned on, so that the buzzer array 7 is prevented from emitting sound waves.
In this embodiment, the control unit 1 and the second control unit 2 are connected through serial communication. The control unit 1 comprises a single chip microcomputer, and the second control unit 2 comprises a second single chip microcomputer. The types of the single chip microcomputer and the second single chip microcomputer can be selected according to actual demands, and when the running processing task amount is more, the single chip microcomputer with higher frequency can be selected.
In this embodiment, the first switching unit 3 includes a transistor or a MOS transistor, and the second switching unit 5 includes a transistor or a MOS transistor. The first switch unit 3 and the second switch unit 5 can select NPN transistor, PNP transistor, NMOS transistor or PMOS transistor according to practical application requirements.
In this embodiment, the present utility model further includes an image capturing unit 8 and a storage unit 9, the control unit 1 is electrically connected to the image capturing unit 8 and the storage unit 9, respectively, and the control unit 1 stores the image information captured by the image capturing unit 8 in the storage unit 9.
In actual use, the control unit 1 can record surrounding image information through the image capturing unit 8, so that information of personnel involved in the event can be conveniently captured, and follow-up investigation is facilitated.
Referring to fig. 1 and 2, in the present embodiment, the present utility model further includes a motor 11, an amplifying unit 10, and a support plate 12, the control unit 1 inputs a motor driving signal to the amplifying unit 10, the amplifying unit 10 amplifies the motor driving signal and inputs the motor driving signal to the motor 11, a rotation end of the motor 11 is connected to the support plate 13, and the image pickup unit 8 is mounted on the support plate 12.
In actual use, the control unit 1 can drive the image capturing unit 8 to rotate through the motor 11, so that more range of image information can be captured.
In this embodiment, the control unit 1 is also electrically connected to an ethernet interface unit 13. In actual use, the control unit 1 can send the image information shot by the shooting unit 8 to the upper computer through the Ethernet interface unit 13, so as to realize remote monitoring.
In summary, the frequency signal output by the second control unit 2 of the present utility model is input to the control end of the second switch unit 5 through the first switch unit 3, and the on-off of the first switch unit 3 is controlled by the control unit 1, so that when the second control unit 2 fails, the frequency signal is not input to the second switch unit 5 due to the non-conduction of the first switch unit 3, and the input voltage of the buzzer array 7 is not emitted to sound waves.
The present utility model has been made in view of the above-described circumstances, and it is an object of the present utility model to provide a portable electronic device capable of performing various changes and modifications without departing from the scope of the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The anti-failure acoustic wave driver comprises a control unit and a buzzer array, and is characterized by further comprising a second control unit, a first switch unit, a boosting unit and a second switch unit;
the control unit is in communication connection with the second control unit; the control unit is electrically connected with the control end of the first switch unit and is configured to generate a control signal for controlling the on-off of the first switch unit;
the second control unit is electrically connected with the input end of the first switch unit and is configured to generate a frequency signal input to the input end of the first switch unit;
the output end of the first switch unit is electrically connected with the control end of the second switch unit, the input end of the second switch unit is electrically connected with the output end of the boosting unit, and the output end of the second switch unit is electrically connected with the buzzer array.
2. The fail-safe acoustic driver of claim 1, wherein the control unit and the second control unit are communicatively coupled via a serial port.
3. The fail-safe acoustic wave driver of claim 1, wherein the first switching unit comprises a transistor or a MOS transistor and the second switching unit comprises a transistor or a MOS transistor.
4. The anti-failure acoustic wave driver according to claim 1, wherein the control unit comprises a single-chip microcomputer, and the second control unit comprises a second single-chip microcomputer.
5. The fail-safe acoustic wave driver according to claim 1, further comprising an image capturing unit and a storage unit, wherein the control unit is electrically connected to the image capturing unit and the storage unit, respectively, and the control unit stores image information captured by the image capturing unit in the storage unit.
6. The sound wave separator according to claim 5, further comprising a motor, an amplifying unit and a support plate, wherein the control unit inputs a motor driving signal to the amplifying unit, the amplifying unit amplifies the motor driving signal and inputs the motor driving signal to the motor, a rotating end of the motor is connected with the support plate, and the image pickup unit is mounted on the support plate.
7. A fail-safe acoustic wave driver as defined in claim 5 or 6, wherein the control unit is further electrically connected to an ethernet interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421645.1U CN219105568U (en) | 2022-12-20 | 2022-12-20 | Prevent sound wave drive of inefficacy and leave ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421645.1U CN219105568U (en) | 2022-12-20 | 2022-12-20 | Prevent sound wave drive of inefficacy and leave ware |
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| Publication Number | Publication Date |
|---|---|
| CN219105568U true CN219105568U (en) | 2023-05-30 |
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| CN202223421645.1U Active CN219105568U (en) | 2022-12-20 | 2022-12-20 | Prevent sound wave drive of inefficacy and leave ware |
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| CN (1) | CN219105568U (en) |
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