CN217283385U - Power amplifier product quiescent current and listening detection device - Google Patents
Power amplifier product quiescent current and listening detection device Download PDFInfo
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- CN217283385U CN217283385U CN202221013901.0U CN202221013901U CN217283385U CN 217283385 U CN217283385 U CN 217283385U CN 202221013901 U CN202221013901 U CN 202221013901U CN 217283385 U CN217283385 U CN 217283385U
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Abstract
The utility model discloses a power amplifier product quiescent current and listening detection device belongs to automobile parts detection device technical field, including the power amplifier grip slipper, the power amplifier grip slipper is used for placing power amplifier equipment, the outside of power amplifier grip slipper is equipped with the sense part, the sense part includes current detection part and sound production sense part, current detection part includes current detection switch and microammeter, sound production sense part includes the controller, power amplifier equipment's output signal end is connected the controller, the external connection of controller has speaker and display, the outside of controller still connects in parallel has sound production sense switch. The device can realize the detection of quiescent current and power amplifier audio channels, improve the production efficiency, improve the test accuracy and reduce the labor intensity and production procedures of production staff. Meanwhile, the actual use state of the product can be simulated. The problems in the prior art are solved.
Description
Technical Field
The utility model relates to a power amplifier product quiescent current and listening detection device belongs to automobile parts detection device technical field.
Background
The power amplifier product need carry out quiescent current detection and listening after production is accomplished and detect, and the check out test set among the prior art is separately examined quiescent current and listening, and the sound production inspection only can detect respectively by the single channel, can not judge the actual conditions of each sound production passageway effectively, and production efficiency is lower, and the accuracy of detection is low, and workman's intensity of labour is big, consequently, a check out test set that can realize quiescent current and listening simultaneously becomes present urgent demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art, the utility model provides a power amplifier product quiescent current and listening device that detects has solved the problem that appears among the prior art.
A power amplifier product quiescent current and listening detection device, including the power amplifier grip slipper, the power amplifier grip slipper is used for placing power amplifier equipment, the outside of power amplifier grip slipper is equipped with the determine part, the determine part includes current detection part and sound production determine part, current detection part includes current detection switch and microampere table, sound production determine part includes the controller, power amplifier equipment's output signal end is connected the controller, the external connection of controller has speaker and display, the outside of controller still connects in parallel has sound production to detect the switch.
Furthermore, the power amplifier clamping table comprises a table body, a power amplifier limiting frame is arranged above the table body, one side of the power amplifier limiting frame is provided with an opening, and a clamping and positioning device is arranged at the opening.
Further, the clamping and positioning device is an air cylinder, and the air cylinder is connected with a starting switch.
Furthermore, the sounding detection switch is a channel selection switch, and the channel selection switch comprises a plurality of switches for selecting different channels to perform sounding detection.
Furthermore, a mode switch is connected in the controller.
Furthermore, the input end of the power amplifier device is connected with an audio generator.
Further, the below of power amplifier centre gripping platform is equipped with the operation panel, power amplifier equipment places and detects on the operation panel, be equipped with the operation rack on the operation panel, the controller is located the operation rack.
Further, the speakers include a subwoofer and a general speaker.
Compared with the prior art, the utility model, following beneficial effect has:
a power amplifier product quiescent current and listening detection device, can realize that quiescent current detects and power amplifier audio frequency passageway detects, press the audio frequency detection switch, the passageway behavior of automated inspection digital signal processor power amplifier (DSP power amplifier), can divide the passageway, the classification is examined in proper order respectively to show the testing result. The judgment can be carried out visually. And the full-band test is realized by matching with different types of loudspeakers. The audio channels can be controlled and detected separately. Through the device, the production efficiency can be improved, the test accuracy is improved, and the labor intensity and the production procedures of production staff are reduced. Meanwhile, the actual use state of the product can be simulated. The problems in the prior art are solved.
Drawings
FIG. 1 is a general structural diagram of an embodiment of the present invention;
fig. 2 is a top view of the power amplifier clamping table in the embodiment of the present invention;
fig. 3 is a side view of the power amplifier clamping table in the embodiment of the present invention;
fig. 4 is a perspective view of the power amplifier clamping table in the embodiment of the present invention;
fig. 5 is a diagram showing a controller according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of the embodiment of the present invention;
in the figure: 1. an operating bench; 2. a controller; 3. a subwoofer; 4. a normal speaker; 5. a power amplifier clamping table; 6. an operation table; 7. a power amplifier limiting frame; 8. a cylinder; 9. starting a switch; 10. a mode changeover switch; 11. a power supply changeover switch; 12. and a channel selection switch.
Detailed Description
The invention will be further described with reference to the following figures and examples:
example 1:
as shown in fig. 1-4, a power amplifier product quiescent current and listening detection device, including power amplifier grip slipper 5, power amplifier grip slipper 5 is used for placing power amplifier equipment, and power amplifier grip slipper 5's outside is equipped with the determine part, and the determine part includes current detection part and sound production determine part, and current detection part includes current detection switch and microammeter, sound production determine part includes controller 2, and power amplifier equipment's output signal end is connected controller 2, controller 2's external connection have speaker and display, controller 2's outside still has sound production determine switch in parallel.
The power amplifier clamping table comprises a table body, a power amplifier limiting frame 7 is arranged above the table body, one side of the power amplifier limiting frame 7 is open, and a clamping and positioning device is arranged at the opening.
The clamping and positioning device is a cylinder 8, and the cylinder 8 is connected with a starting switch 9.
The sounding detection switch is a channel selection switch 12, and the channel selection switch 12 includes a plurality of switches for selecting different channels to perform sounding detection.
A mode selector switch 10 is also connected to the controller 2.
The input end of the power amplifier is connected with an audio generator.
The below of power amplifier clamping table 5 is equipped with operation panel 6, power amplifier device places and detects on operation panel 6, be equipped with operation rack 1 on the operation panel 6, controller 2 is located operation rack 1.
The loudspeakers include a subwoofer 3 and a general loudspeaker 4.
The working process of the embodiment is as follows:
detecting the static current:
as shown in fig. 5 to 6, after the device is powered on, it enters an initial working state (default is a static current detection mode), the ACC power-on module automatically enters a shutdown mode, and the detected product is connected to detect the static current of the product. In this embodiment, the quiescent current detection switch is a first switch, and when dynamic current detection is performed, the power supply switch of the device is turned on, so that the device is normally started. The starting switch in the power amplifier clamping table is started, the detected DSP power amplifier is placed on the power amplifier clamping table, the power amplifier equipment is automatically tightened at the moment, and the microammeter is connected with the detection port of the power amplifier equipment to perform static current detection. And observing whether the reading in the display is less than a specified value. If the product performance is smaller than the specified value, judging that the product performance is normal, and then starting channel detection. If the product performance is larger than the specified value, the product performance is judged to be unqualified, and the 'start' button is pressed again by two hands to terminate the product detection.
Detecting a power amplifier audio channel:
as shown in fig. 5-6, after the device quiescent current detection is completed, pressing any power amplifier audio channel detection function button automatically enters a power amplifier audio channel detection mode. The mode change-over switch 10 in this embodiment includes a second switch, a third switch and a fourth switch, and the second switch, the third switch and the fourth switch all include four channel selection switches, which represent 12 different channels, respectively, and a mode change-over switch is connected in the controller, and the mode change-over switch includes a mode 1 and a mode 2. During detection, the power supply change-over switch 11 is selected according to the type of a product, the working pressure of the product is selected, the 12V product is selected to correspond to the 12V button, and the 24V button is selected to correspond to the 24V button.
Pressing mode 1 automatically performs 1-6 channel audio detection, and pressing mode 2 automatically performs 7-8 channel audio detection
And judging whether the sound production of the loudspeaker is normal or not according to different modes of operators. If the operation is normally carried out in the next procedure, if the operation is not normal, judging that the operation is unqualified, and isolating; and selecting a corresponding product channel for detection according to the channel to be detected. If channel 1 is detected, the "channel 1" switch is pressed. The audio sounding device provides a sound source, and the sound source is transmitted to the loudspeaker through the audio sounding device to sound, so that the detection purpose is achieved.
Adopt above to combine the drawing description the utility model discloses a power amplifier product quiescent current and listening detection device of embodiment can realize that quiescent current detects and power amplifier audio frequency passageway detects, presses the audio frequency detection switch, and the passageway behavior of automated inspection digital signal processor power amplifier can divide the passageway, examines in proper order to show the testing result in a kind. The judgment can be carried out visually. And the full-band test is realized by matching with different types of loudspeakers. The audio channels can be controlled and detected separately. Through the device, the production efficiency can be improved, the test accuracy is improved, and the labor intensity and the production procedures of production staff are reduced. Meanwhile, the actual use state of the product can be simulated. The problems in the prior art are solved. The present invention is not limited to the embodiments described, but rather, variations, modifications, substitutions and alterations from the embodiments described herein are possible without departing from the spirit and scope of the invention.
Claims (8)
1. A kind of power amplifier product quiescent current and listening checkout gear, characterized by that: including power amplifier centre gripping platform (5), power amplifier centre gripping platform (5) are used for placing power amplifier equipment, the outside of power amplifier centre gripping platform (5) is equipped with the determine part, the determine part includes current detection part and sound production determine part, current detection part includes current detection switch and microammeter, sound production determine part includes controller (2), power amplifier equipment's output signal end is connected controller (2), the external connection of controller (2) has speaker and display, the outside of controller (2) still connects in parallel has the sound production to detect the switch.
2. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the power amplifier clamping table comprises a table body, a power amplifier limiting frame (7) is arranged above the table body, one side of the power amplifier limiting frame (7) is provided with an opening, and a clamping and positioning device is arranged at the opening.
3. The device for detecting quiescent current and listening of a power amplifier product according to claim 2, wherein: the clamping and positioning device is an air cylinder (8), and the air cylinder (8) is connected with a starting switch (9).
4. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the sounding detection switch is a channel selection switch (12), and the channel selection switch (12) comprises a plurality of switches and is used for selecting different channels to perform sounding detection.
5. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the controller (2) is also internally connected with a mode selector switch (10).
6. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the input end of the power amplifier is connected with an audio generator.
7. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the power amplifier clamping table is characterized in that an operating table (6) is arranged below the power amplifier clamping table (5), the power amplifier equipment is placed on the operating table (6) to be detected, an operating table frame (1) is arranged on the operating table (6), and the controller (2) is located on the operating table frame (1).
8. The device for detecting quiescent current and listening of a power amplifier product according to claim 1, wherein: the loudspeakers comprise a subwoofer (3) and a common loudspeaker (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013901.0U CN217283385U (en) | 2022-04-27 | 2022-04-27 | Power amplifier product quiescent current and listening detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221013901.0U CN217283385U (en) | 2022-04-27 | 2022-04-27 | Power amplifier product quiescent current and listening detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217283385U true CN217283385U (en) | 2022-08-23 |
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ID=82879738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221013901.0U Active CN217283385U (en) | 2022-04-27 | 2022-04-27 | Power amplifier product quiescent current and listening detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217283385U (en) |
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2022
- 2022-04-27 CN CN202221013901.0U patent/CN217283385U/en active Active
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