CN214750609U - Automatic startup and shutdown testing device - Google Patents
Automatic startup and shutdown testing device Download PDFInfo
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- CN214750609U CN214750609U CN202120706436.8U CN202120706436U CN214750609U CN 214750609 U CN214750609 U CN 214750609U CN 202120706436 U CN202120706436 U CN 202120706436U CN 214750609 U CN214750609 U CN 214750609U
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Abstract
The utility model provides an automatic switching on and shutting down testing arrangement, include: the single chip microcomputer platform is connected with a power supply module, a voltage sampling module, a current sampling module, a display module, a communication module, a buzzer module, a relay module and a display switching key module respectively. The utility model discloses an automatic on/off testing arrangement utilizes single chip microcomputer platform, and control relay module accomplishes the action of automatic power-on, outage then to power module's output power's control. The starting state of the product to be tested is judged through level conversion, so that the function test of automatically switching on and off the power supply is carried out on the product to be tested, and the whole aging test is completely automatically tested.
Description
Technical Field
The utility model relates to a test technical field especially indicates an automatic switching on and shutting down testing arrangement.
Background
When a general electronic product is tested, the electronic product needs to be powered on and off continuously. For example, a certain electronic product needs to be subjected to aging tests of power-on and power-off switching over for 10 ten thousand times, generally, a power supply needs to be manually plugged and unplugged to perform the power-on and power-off switching over test, whether the tested product is successfully started or not needs to be observed constantly, a tester cannot perform 24-hour continuity test, the labor load of the tester is increased, and the occupied time is long.
Disclosure of Invention
The utility model provides an automatic switch machine testing arrangement that can go up electricity and cut off power supply automatically.
The utility model adopts the technical proposal that: an automatic power on/off test device, comprising: the system comprises a single chip microcomputer platform and a product to be tested, wherein the single chip microcomputer platform is respectively connected with a power supply module, a voltage sampling module, a current sampling module, a display module, a communication module, a buzzer module, a relay module and a display switching key module; the single chip microcomputer platform is connected with a product to be tested, and the power supply module provides power for the single chip microcomputer platform; the voltage sampling module is used for sampling the output voltage of a product to be detected; the current sampling module is used for sampling the output current of a product to be detected; the display module is used for displaying the output voltage or the output current of the sampled product to be detected; the communication module is used for transmitting the information of the singlechip platform to a network; the buzzer module is used for providing prompt sound; the relay module is used for controlling the power-on and power-off of a product to be tested; the display switching key module is used for switching current, voltage, startup and shutdown times and communication addresses.
Further, the single chip microcomputer platform is provided with a 32-bit Cortex M0 kernel series single chip microcomputer.
Furthermore, the voltage sampling module is provided with a voltage division circuit, and the sampling voltage of the product to be detected is fed back to the single chip microcomputer platform.
Further, the current sampling module is provided with an LM358 amplifier, the current passes through a resistor and then an amplifying circuit to obtain an amplified current, and the amplified current is fed back to the single chip microcomputer platform.
Further, the buzzer module is provided with a buzzer, the buzzer is a passive buzzer, and the singlechip platform controls the grounding conduction of the negative electrode of the buzzer through a triode.
Furthermore, the power module is provided with a voltage regulator tube and a power supply adopting circuit, the power module provides driving voltage for the relay, and the driving voltage provides voltage for the communication module, the buzzer module, the display switching key module and the current adopting module through the voltage regulator tube.
Compared with the prior art, the utility model discloses an automatic on/off testing arrangement utilizes single chip microcomputer platform, and control relay module accomplishes the action of automatic power-on, outage then to power module's output power's control. The starting state of the product to be tested is judged through level conversion, so that the function test of automatically switching on and off the power supply is carried out on the product to be tested, and the whole aging test is completely automatically tested.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,
FIG. 1: the utility model discloses a module connection block diagram of an automatic startup and shutdown testing device;
FIG. 2: the utility model discloses a circuit schematic diagram of a single chip microcomputer platform of an automatic startup and shutdown testing device;
FIG. 3: the utility model discloses a circuit schematic diagram of a communication module of an automatic startup and shutdown testing device;
FIG. 4: the utility model discloses a circuit schematic diagram of a voltage sampling module of an automatic startup and shutdown testing device;
FIG. 5: the utility model discloses a circuit schematic diagram of a current sampling module of an automatic startup and shutdown testing device;
FIG. 6: the utility model discloses a circuit schematic diagram of a buzzer module of an automatic startup and shutdown testing device;
FIG. 7: the utility model discloses a circuit schematic diagram of a display switching key module of an automatic startup and shutdown testing device;
FIG. 8: the utility model discloses a circuit schematic diagram of a power module of an automatic startup and shutdown testing device;
FIG. 9: the utility model discloses a circuit schematic diagram of a relay module of an automatic startup and shutdown testing device;
FIG. 10: the utility model discloses an automatic switching on and shutting down testing arrangement's display module's circuit schematic diagram.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, the utility model discloses an automatic startup and shutdown testing arrangement, include: the single chip microcomputer platform is connected with a power supply module, a voltage sampling module, a current sampling module, a display module, a communication module, a buzzer module, a relay module and a display switching key module respectively.
As shown in fig. 1, the single chip microcomputer platform is connected with a product to be tested, and the power supply module provides power for the single chip microcomputer platform. The voltage sampling module is used for sampling the output voltage of a product to be detected. The current sampling module is used for sampling the output current of a product to be detected. The display module is used for displaying the output voltage or the output current of the product to be tested. The communication module is used for transmitting the information of the single chip microcomputer platform to a network. The buzzer module is used for providing prompt sound. The relay module is used for controlling the power-on and power-off of a product to be tested. The display switching key module is used for switching current, voltage, startup and shutdown times and communication addresses.
As shown in FIG. 2, the single chip microcomputer platform is provided with a 32-bit Cortex M0 kernel series single chip microcomputer which comprises a programming interface, a GPIO interface and a nixie tube.
As shown in FIG. 3, the communication module is composed of RS485 communication, and the RS485 communication adopts a communication chip SP3485EN _ SOP-8 chip.
As shown in fig. 4, the voltage sampling module is provided with a voltage dividing circuit to feed back the sampling voltage of the product to be tested to the single chip microcomputer platform.
As shown in fig. 5, the current sampling module is provided with an LM358 amplifier with low power consumption and dual operations, the current passes through a resistor and then an amplifying circuit to obtain an amplified current, the amplified current is fed back to the single chip microcomputer platform, and a formula is obtained by combining software, so that the current magnitude can be calculated.
As shown in fig. 6, the buzzer module is provided with a buzzer, the buzzer is a passive buzzer, and the single chip microcomputer platform controls the grounding conduction of the negative electrode of the buzzer through a triode.
As shown in fig. 7, the display switching key module, in combination with software, can switch the current and voltage, the number of times of power on and power off, and the RS485 communication address when the key is pressed.
As shown in fig. 8, the power module is provided with a voltage regulator tube and a power supply applying circuit, the power module provides a driving voltage for the relay, and the driving voltage provides a voltage for the communication module, the buzzer module, the display switching key module and the current applying module through the voltage regulator tube. The working voltage required by the single chip microcomputer is reduced by a voltage regulator tube, the DV 12V is connected into a power supply and adopts a circuit, and meanwhile, the driving voltage is supplied to the relay, the voltage of 12V is 3.3V through the voltage regulator tube, and the 3.3V supplies the working voltage to the communication module, the buzzer module, the display switching key module and the current adopting module.
As shown in fig. 9, the relay module performs power-on and power-off operations.
As shown in fig. 10, the display module adopts a nixie tube for display.
The utility model discloses an automatic switching on and shutting down testing arrangement work flow: and the power module outputs power to be connected into a product to be tested, and the GPIO interface of the product to be tested is connected to the automatic startup and shutdown testing device. After the automatic startup and shutdown testing device is connected with the DC12V power supply input, the single chip microcomputer platform controls the output power supply of the power supply module through the relay module or the MOS tube. The single chip microcomputer platform judges whether the to-be-tested product is started successfully or not through the high and low levels of the GPIO interface, when the GPIO rises from the low level to the high level, the to-be-tested product is started successfully, then the single chip microcomputer platform controls the output power supply through a relay or an MOS (metal oxide semiconductor) tube, a new round of power-off and power-on actions are carried out, and the number of times of starting and stopping the machine is increased by 1. When the single chip microcomputer platform does not detect that the GPIO is converted from the high level to the low level within the set time, the start failure of the product to be detected is indicated, the single chip microcomputer platform controls the buzzer through the PA3, and the buzzer sounds at the moment. Sampling data of the voltage sampling module and the current sampling module are fed back to the single chip microcomputer platform, the single chip microcomputer platform controls the nixie tube of the display module to display, and the nixie tube can control the display switching key module to switch voltage, current and startup and shutdown times through the single chip microcomputer platform.
To sum up, the utility model discloses an automatic on/off testing arrangement utilizes single chip microcomputer platform, and control relay module accomplishes the action of automatic power-on, outage then to power module's output power's control. The starting state of the product to be tested is judged through level conversion, so that the function test of automatically switching on and off the power supply is carried out on the product to be tested, and the whole aging test is completely automatically tested.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (6)
1. An automatic startup and shutdown testing device is characterized by comprising:
the system comprises a single chip microcomputer platform and a product to be tested, wherein the single chip microcomputer platform is respectively connected with a power supply module, a voltage sampling module, a current sampling module, a display module, a communication module, a buzzer module, a relay module and a display switching key module;
the single chip microcomputer platform is connected with a product to be tested, and the power supply module provides power for the single chip microcomputer platform; the voltage sampling module is used for sampling the output voltage of a product to be detected; the current sampling module is used for sampling the output current of a product to be detected; the display module is used for displaying the output voltage or the output current of the sampled product to be detected; the communication module is used for transmitting the information of the singlechip platform to a network; the buzzer module is used for providing prompt sound; the relay module is used for controlling the power-on and power-off of a product to be tested; the display switching key module is used for switching current, voltage, startup and shutdown times and communication addresses.
2. The automatic on/off test device of claim 1, wherein: the single chip microcomputer platform is provided with a 32-bit Cortex M0 inner core series single chip microcomputer.
3. The automatic on/off test device of claim 1, wherein: the voltage sampling module is provided with a voltage division circuit and feeds back the sampling voltage of the product to be detected to the single chip microcomputer platform.
4. The automatic on/off test device of claim 1, wherein: the current sampling module is provided with an LM358 amplifier, the current passes through a resistor and then an amplifying circuit to obtain amplified current, and the amplified current is fed back to the single chip microcomputer platform.
5. The automatic on/off test device of claim 1, wherein: the buzzer module is provided with a buzzer, the buzzer is a passive buzzer, and the singlechip platform controls the grounding conduction of the negative electrode of the buzzer through a triode.
6. The automatic on/off test device of claim 1, wherein: the power module is provided with a voltage regulator tube and a power supply adopting circuit, the power module provides driving voltage for the relay, and the driving voltage provides voltage for the communication module, the buzzer module, the display switching key module and the current adopting module through the voltage regulator tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706436.8U CN214750609U (en) | 2021-04-08 | 2021-04-08 | Automatic startup and shutdown testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120706436.8U CN214750609U (en) | 2021-04-08 | 2021-04-08 | Automatic startup and shutdown testing device |
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| CN214750609U true CN214750609U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325317A (en) * | 2021-12-27 | 2022-04-12 | 深圳市敦实电子有限公司 | Method and device for testing PCBA shutdown current of TWS earphone |
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2021
- 2021-04-08 CN CN202120706436.8U patent/CN214750609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325317A (en) * | 2021-12-27 | 2022-04-12 | 深圳市敦实电子有限公司 | Method and device for testing PCBA shutdown current of TWS earphone |
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