CN113777520A - Test method, device, system and medium for board-mounted power supply overcurrent protection - Google Patents
Test method, device, system and medium for board-mounted power supply overcurrent protection Download PDFInfo
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Abstract
The application discloses a board-mounted power supply overcurrent protection testing method, which comprises the following steps: under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate an overcurrent protection test; acquiring a voltage value of a power supply detected by a universal meter connected with the power supply; and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply. The method has the advantages that the voltage value of the power supply is detected through the multimeter, when the voltage value meets the preset condition, the power supply is determined to trigger overcurrent protection, the current value at the moment is read to serve as the overcurrent protection current value, and whether the power supply triggers the overcurrent protection or not is judged by observing the waveform displayed by the oscilloscope compared with a person. In addition, the test device, the system and the medium for the over-current protection of the board-mounted power supply disclosed by the application correspond to the method, and the effect is as above.
Description
Technical Field
The present disclosure relates to protection circuit technologies, and in particular, to a method, an apparatus, a system, and a medium for testing over-current protection of a board-mounted power supply.
Background
The scheme of power supply applied to the server at the present stage mainly takes an on-board direct current-direct current (DC-DC) power supply as a main part, and the stability of the DC-DC power supply is the premise and the root of the stable operation of the whole server, so the scheme of power supply design is very important, the scheme of power supply design needs to be tested for verification, and when the current of a load chip at the rear end of the power supply chip suddenly rises to exceed the designed maximum current, the power supply chip needs to trigger a protection mechanism to limit the irreversible damage of the load chip caused by too large current.
When a power supply scheme is designed, an appropriate Over Current Protection (OCP) point can be set according to the use instruction of a load chip, and test verification is carried out after board returning.
Therefore, the accuracy of the overcurrent protection test of the onboard power supply is improved, and labor cost is saved, which is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The application aims to provide a board-mounted power supply overcurrent protection testing method, device and system and a computer readable storage medium, which are used for improving the accuracy of board-mounted power supply overcurrent protection testing and saving labor cost.
In order to solve the above technical problem, the present application provides a method for testing overcurrent protection of a board-mounted power supply, including:
under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate an overcurrent protection test of the power supply;
acquiring a voltage value of the power supply detected by a multimeter connected with the power supply;
and when the voltage value meets a preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply.
Preferably, the load is an electronic load.
Preferably, the controlling the output current increase of the power supply to simulate the overcurrent protection test of the power supply comprises:
controlling the output current of the power supply to increase linearly in preset steps to simulate the over-current protection test of the power supply.
Preferably, after acquiring the voltage value of the power supply detected by the multimeter connected to the power supply, the method further includes:
and when the voltage value meets the preset condition, controlling an oscilloscope to capture the graph of the current and the voltage when the power supply triggers the overcurrent protection.
Preferably, the determining whether the voltage value satisfies the preset condition includes:
judging whether the voltage value is smaller than a preset voltage value or not;
if so, determining that the voltage value meets the preset condition, and if not, determining that the voltage value does not meet the preset condition.
Preferably, before the controlling the output current of the power supply to increase to simulate the over-current protection test of the power supply, the method further includes:
and initializing the load, the multimeter, the oscilloscope and the power supply device.
The application also provides a board carries power overcurrent protection's testing arrangement, includes:
the control module is used for controlling the output current of the power supply to increase so as to simulate the overcurrent protection test of the power supply under the condition that a load is connected with the power supply;
the acquisition module is used for acquiring the voltage value of the power supply detected by a universal meter connected with the power supply;
and the reading module is used for reading the current value of the load to serve as the overcurrent protection current value of the power supply when the voltage value meets the preset condition.
The application also provides a testing device for the over-current protection of the board-mounted power supply, which comprises a memory, a control unit and a control unit, wherein the memory is used for storing a computer program; and the processor is used for realizing the steps of the testing method for the on-board power supply overcurrent protection when the computer program is executed.
The present application further provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method for testing on-board power supply over-current protection.
The application also provides a board carries power overcurrent protection's test system, includes:
the load is used for controlling the output current increase of the power supply to simulate an overcurrent protection test;
the universal meter is used for detecting the voltage value of the power supply; when the voltage value meets a preset condition, reading the current value of the load to serve as the overcurrent protection current value of the power supply;
the load and the universal meter are respectively connected with the power supply.
The application provides a test method for over-current protection of a board-mounted power supply, which comprises the following steps: under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate an overcurrent protection test; acquiring a voltage value of a power supply detected by a universal meter connected with the power supply; and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply. The method has the advantages that the voltage value of the power supply is detected through the multimeter, when the voltage value meets the preset condition, the power supply is determined to trigger overcurrent protection, the current value at the moment is read to serve as the overcurrent protection current value, and whether the power supply triggers the overcurrent protection or not is judged by observing the waveform displayed by the oscilloscope compared with a person.
In addition, the device, the system and the computer readable storage medium for testing the overcurrent protection of the on-board power supply correspond to the method, and the specific effects are as above.
Drawings
In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a flowchart of a testing method for overcurrent protection of an on-board power supply according to an embodiment of the present application;
FIG. 2 is a flow chart of another method for testing overcurrent protection of an on-board power supply according to an embodiment of the present application;
fig. 3 is a structural diagram of a testing apparatus for on-board power supply overcurrent protection according to an embodiment of the present application;
fig. 4 is a block diagram of another testing device for overcurrent protection of an on-board power supply according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
The core of the application is to provide a test method, a device and a system for on-board power supply overcurrent protection and a computer readable storage medium.
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.
Fig. 1 is a flowchart of a test method for overcurrent protection of an on-board power supply according to an embodiment of the present application. As shown in fig. 1, the method for testing the overcurrent protection of the on-board power supply includes:
s10: and under the condition that the load is connected with the power supply, controlling the output current of the power supply to increase so as to simulate the overcurrent protection test of the power supply.
S11: and acquiring the voltage value of the power supply detected by a multimeter connected with the power supply.
S12: and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply.
It should be noted that the method in the embodiment of the present application is applicable to a server board-mounted DC-DC power supply, and may also be applicable to overcurrent protection tests of other power supplies, and the embodiment of the present application is not particularly limited.
In step S10, the power supply device supplies power to the DC-DC power source to make the power chip in a normal operating state. Regarding how to control the output current of the power supply to increase, the load chip at the back end of the power supply chip can be used to simulate the load current so as to increase the output current of the power supply. Of course, the load may be a relay, a resistor, an electronic load, etc., and the embodiment of the present application is not particularly limited. Overcurrent protection means that rated current is set for protecting electronic equipment, and when the current exceeds the set rated current, the equipment is automatically powered off so as to protect the equipment.
In step S11, a multimeter is connected to the power supply for testing the output voltage of the power supply.
In step S12, a voltage value detected by the multimeter is obtained, and when the voltage value meets a preset condition, the current value of the load is read as an overcurrent protection current value of the power supply, where the preset condition may be to determine whether the voltage value is smaller than a preset voltage value, or to determine whether the voltage value is within a preset voltage value range, where the preset condition may be set according to actual needs, and the preset condition is not specifically limited in the embodiments of the present application. And when the voltage value meets the preset condition, determining that the power supply triggers overcurrent protection, reading the current value of the load at the moment, and taking the current value as the overcurrent protection current value of the power supply.
The method for testing the overcurrent protection of the board-mounted power supply provided by the embodiment of the application comprises the following steps: under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate an overcurrent protection test; acquiring a voltage value of a power supply detected by a universal meter connected with the power supply; and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply. The method has the advantages that the voltage value of the power supply is detected through the multimeter, when the voltage value meets the preset condition, the power supply is determined to trigger overcurrent protection, the current value at the moment is read to serve as the overcurrent protection current value, and whether the power supply triggers the overcurrent protection or not is judged by observing the waveform displayed by the oscilloscope compared with a person.
Based on the above embodiments, the load is an electronic load. An electronic load is a device that consumes electric power by controlling internal power or the amount of conduction of a transistor depending on the dissipation power of a power transistor. The load voltage can be accurately detected, the load current can be accurately adjusted, and meanwhile, the load short circuit can be simulated. Electronic loads are indispensable in the debugging detection of power supplies, and are generally programmable, but most electronic loads require an external programmer. This ability allows for precise control of the load value during testing, providing valuable status information to the test apparatus operator. In the embodiment of the application, the increase of the load current of the electronic load can be controlled by writing a software program.
This application embodiment adopts electronic load, compares and adopts the solution of relay and resistor more reliable, and electronic load is also simpler and easy, still can select mode: constant current, constant voltage and constant resistance, have the highest test flexibility, and also provide a universal solution for measuring both dc voltage and current supplies. The electronic load may also provide read-back across the bus without the use of a digital multimeter that measures voltage and current in some tests.
Based on the above embodiments, the embodiment of the present application controls the output current of the power supply to increase linearly by a preset step size to simulate the over-current protection test of the power supply.
The preset step length in the embodiment of the present application may be Imax1%, the examples of the present application are not particularly limited. The current of the power supply is controlled to linearly increase through programming, the voltage of the corresponding power supply is reduced, and whether the power supply triggers over-current protection or not is judged by judging the voltage value of the power supply.
According to the embodiment of the application, the output current of the power supply is linearly increased by the preset step length, the load current of the electronic load is not required to be manually adjusted, and the labor cost is saved. Meanwhile, the current of the power supply is linearly increased, the voltage value of the power supply is continuously reduced and shows a certain trend, whether the power supply triggers the overcurrent protection or not is judged more easily through the voltage value, and the current value when the overcurrent protection is triggered is read.
Based on the embodiment, when the voltage value meets the preset condition, the oscilloscope is controlled to capture the graphs of the current and the voltage when the power supply triggers the overcurrent protection.
The oscilloscope of the embodiment of the application is a widely-used electronic measuring instrument, and can convert an invisible electric signal into a visible image. The oscilloscope generates a fine spot of light by impinging a narrow beam of electrons, consisting of high-speed electrons, on a screen coated with a phosphor. Under the action of the measured signal, the electron beam traces the change curve of the instantaneous value of the measured signal on the screen. The oscilloscope in the embodiment of the application is connected with the power supply and is used for measuring the voltage and current waveforms of the power supply, and when the power supply triggers over-current protection, the graphs of the current and the voltage can be captured.
According to the embodiment of the application, when the voltage value meets the preset condition, the oscilloscope is controlled to capture the graph of the current and the voltage when the power supply triggers the overcurrent protection, whether the power supply triggers the overcurrent protection can be further determined through the graph, and the accuracy of the test result is improved.
Based on the above embodiments, the embodiments of the present application determine whether the voltage value is smaller than a preset voltage value; if so, determining that the voltage value meets the preset condition, and if not, determining that the voltage value does not meet the preset condition.
When the current of the power supply is overlarge to trigger the overcurrent protection, the voltage value at the moment is smaller than that of the power supply in a normal working state. The preset voltage value in the embodiment of the application may be 0.9V, and the preset voltage value may be set correspondingly according to a test object, and the embodiment of the application does not specifically limit the preset voltage value.
The embodiment of the application judges whether the power supply triggers the overcurrent protection by judging whether the voltage value is smaller than the preset voltage value, is simple and easy, does not need to bring a factor of subjective judgment into people, and is more objective and accurate.
Based on the embodiment, before the output current of the power supply is controlled to increase so as to simulate the overcurrent protection test of the power supply, the load, the multimeter, the oscilloscope and the power supply device are initialized.
According to the embodiment of the application, through initialization of the load, the universal meter, the oscilloscope, the power supply device and the like, relevant parameters can be set according to test requirements, so that the test can be smoothly carried out.
Based on the above embodiments, an embodiment of the present application provides a test system for on-board power supply overcurrent protection, including: the load is used for controlling the output current increase of the power supply to simulate an overcurrent protection test; the universal meter is used for detecting the voltage value of the power supply; when the voltage value meets a preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply; the load and the multimeter are respectively connected with a power supply.
Since the embodiment of the system part corresponds to the embodiment of the method part, the embodiment of the system part is described with reference to the embodiment of the method part, and is not repeated here.
According to the test system for the over-current protection of the on-board power supply, the voltage value of the power supply is detected through the universal meter, when the voltage value meets the preset condition, the power supply is determined to trigger the over-current protection, the current value at the moment is read to serve as the over-current protection current value, and whether the power supply triggers the over-current protection or not is judged by comparing the fact that a person observes the waveform displayed by the oscilloscope.
In order to make those skilled in the art better understand the technical solutions of the present application, the following embodiments are further described in detail with reference to the accompanying drawings. Fig. 2 is a flowchart of another testing method for overcurrent protection of an on-board power supply according to an embodiment of the present application. As shown in fig. 2, the method includes:
s20: and (5) initializing the equipment.
S21: and the power supply chip works normally.
S22: the pull-up current increases.
S23: judging whether the voltage value is less than 0.9V or not; if yes, go to step S24; if not, go to step S22.
S24: and reading the current value of the pulling load.
Firstly, initializing equipment, wherein the equipment comprises an electronic load, a universal meter, an oscilloscope and a power supply device; the power supply device supplies power to the power supply, so that the power supply chip is in a normal working state, the load current of the electronic load is increased, the universal meter detects the voltage value of the power supply, when the voltage value of the universal meter is read to be 0.9V, the current value of the electronic load at the moment is read, and the current value is the overcurrent protection current value of the power supply.
According to the embodiment of the application, through controlling each device, namely cooperative work among the electronic load, the universal meter, the oscilloscope and the power supply device, the factor of subjective judgment of a person is not required to be brought, the accuracy of power supply overcurrent protection testing is improved, and the labor cost is saved.
In the above embodiment, a test method for overcurrent protection of an on-board power supply is described in detail, and the application also provides an embodiment corresponding to a test device for overcurrent protection of an on-board power supply. It should be noted that the present application describes the embodiments of the apparatus portion from two perspectives, one from the perspective of the function module and the other from the perspective of the hardware.
On the basis, the application also discloses a testing device for the on-board power supply overcurrent protection corresponding to the method. Fig. 3 is a structural diagram of a testing apparatus for on-board power supply overcurrent protection according to an embodiment of the present application, and as shown in fig. 3, the testing apparatus includes:
and the control module 10 is used for controlling the output current of the power supply to increase so as to simulate the overcurrent protection test of the power supply under the condition that the load is connected with the power supply.
And the obtaining module 11 is configured to obtain a voltage value of the power supply detected by a multimeter connected to the power supply.
And the reading module 12 is configured to read a current value of the load as an overcurrent protection current value of the power supply when the voltage value meets a preset condition.
Since the embodiments of the apparatus portion and the method portion correspond to each other, please refer to the description of the embodiments of the method portion for the embodiments of the apparatus portion, which is not repeated here.
According to the testing device for the over-current protection of the board-mounted power supply, under the condition that a load is connected with the power supply, the output current of the power supply is controlled to increase so as to simulate an over-current protection test; acquiring a voltage value of a power supply detected by a universal meter connected with the power supply; and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply. The method has the advantages that the voltage value of the power supply is detected through the multimeter, when the voltage value meets the preset condition, the power supply is determined to trigger overcurrent protection, the current value at the moment is read to serve as the overcurrent protection current value, and whether the power supply triggers the overcurrent protection or not is judged by observing the waveform displayed by the oscilloscope compared with a person.
Fig. 4 is a block diagram of another testing device for overcurrent protection of an on-board power supply according to an embodiment of the present application, where as shown in fig. 4, the testing device includes: a memory 20 for storing a computer program; the processor 21 is configured to implement the steps of the testing method for overcurrent protection of the on-board power supply according to the above embodiment when executing the computer program.
The testing device provided by the embodiment may include, but is not limited to, a smart phone, a tablet computer, a notebook computer, or a desktop computer.
The processor 21 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 21 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 21 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 21 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. In some embodiments, the processor 21 may further include an AI (Artificial Intelligence) processor for processing a calculation operation related to machine learning.
The memory 20 may include one or more computer-readable storage media, which may be non-transitory. Memory 20 may also include high speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In this embodiment, the memory 20 is at least used for storing a computer program 201, wherein after being loaded and executed by the processor 21, the computer program can implement the relevant steps of the test method for on-board power supply overcurrent protection disclosed in any one of the foregoing embodiments. In addition, the resources stored in the memory 20 may also include an operating system 202, data 203, and the like, and the storage manner may be a transient storage manner or a permanent storage manner. Operating system 202 may include, among others, Windows, Unix, Linux, and the like. Data 203 may include, but is not limited to, preset conditions, etc.
In some embodiments, the testing device may further include a display 22, an input/output interface 23, a communication interface 24, a power supply 25, and a communication bus 26.
Those skilled in the art will appreciate that the configuration shown in FIG. 4 is not intended to be limiting of testing devices and may include more or fewer components than those shown.
The board-mounted power supply overcurrent protection testing device provided by the embodiment of the application comprises a memory and a processor, wherein when the processor executes a program stored in the memory, the following method can be realized: under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate the overcurrent protection test of the power supply; acquiring a voltage value of a power supply detected by a universal meter connected with the power supply; and when the voltage value meets the preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply.
Finally, the application also provides a corresponding embodiment of the computer readable storage medium. The computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps as set forth in the above-mentioned method embodiments.
It is to be understood that if the method in the above embodiments is implemented in the form of software functional units and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium and executes all or part of the steps of the methods described in the embodiments of the present application, or all or part of the technical solutions. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The description is given above in detail on the testing method for the overcurrent protection of the board-mounted power supply provided by the application. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A test method for over-current protection of a board-mounted power supply is characterized by comprising the following steps:
under the condition that a load is connected with a power supply, controlling the output current of the power supply to increase so as to simulate an overcurrent protection test of the power supply;
acquiring a voltage value of the power supply detected by a multimeter connected with the power supply;
and when the voltage value meets a preset condition, reading the current value of the load to be used as the overcurrent protection current value of the power supply.
2. The method of testing on-board power supply over-current protection of claim 1, wherein the load is an electronic load.
3. The method of claim 1, wherein the controlling the output current of the power supply to increase to simulate the over-current protection test of the power supply comprises:
controlling the output current of the power supply to increase linearly in preset steps to simulate the over-current protection test of the power supply.
4. The method for testing the on-board power supply over-current protection according to claim 1, wherein after obtaining the voltage value of the power supply detected by a multimeter connected to the power supply, the method further comprises:
and when the voltage value meets the preset condition, controlling an oscilloscope to capture the graph of the current and the voltage when the power supply triggers the overcurrent protection.
5. The method for testing the overcurrent protection of the on-board power supply according to claim 1, wherein judging whether the voltage value meets the preset condition comprises:
judging whether the voltage value is smaller than a preset voltage value or not;
if so, determining that the voltage value meets the preset condition, and if not, determining that the voltage value does not meet the preset condition.
6. An on-board power supply over-current protection test method as claimed in any one of claims 1 to 5, wherein before controlling the output current increase of the power supply to simulate the over-current protection test of the power supply, further comprising:
and initializing the load, the multimeter, the oscilloscope and the power supply device.
7. The utility model provides a board carries power overcurrent protection's testing arrangement which characterized in that includes:
the control module is used for controlling the output current of the power supply to increase so as to simulate the overcurrent protection test of the power supply under the condition that a load is connected with the power supply;
the acquisition module is used for acquiring the voltage value of the power supply detected by a universal meter connected with the power supply;
and the reading module is used for reading the current value of the load to serve as the overcurrent protection current value of the power supply when the voltage value meets the preset condition.
8. The test device for the over-current protection of the on-board power supply is characterized by comprising a memory, a control unit and a test unit, wherein the memory is used for storing a computer program; a processor for implementing the steps of the method of testing on-board power supply overcurrent protection of any one of claims 1 to 6 when executing the computer program.
9. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method for testing on-board power supply overcurrent protection of any one of claims 1 to 6.
10. The utility model provides a board carries power overcurrent protection's test system which characterized in that includes:
the load is used for controlling the output current increase of the power supply to simulate an overcurrent protection test;
the universal meter is used for detecting the voltage value of the power supply; when the voltage value meets a preset condition, reading the current value of the load to serve as the overcurrent protection current value of the power supply;
the load and the universal meter are respectively connected with the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087067.XA CN113777520A (en) | 2021-09-16 | 2021-09-16 | Test method, device, system and medium for board-mounted power supply overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111087067.XA CN113777520A (en) | 2021-09-16 | 2021-09-16 | Test method, device, system and medium for board-mounted power supply overcurrent protection |
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| CN113777520A true CN113777520A (en) | 2021-12-10 |
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| CN202111087067.XA Pending CN113777520A (en) | 2021-09-16 | 2021-09-16 | Test method, device, system and medium for board-mounted power supply overcurrent protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201611A (en) * | 2022-07-29 | 2022-10-18 | 苏州浪潮智能科技有限公司 | Method for testing VR power supply stability of CPU and related components |
| CN116224134A (en) * | 2023-02-14 | 2023-06-06 | 广州顶源电子科技股份有限公司 | Method and device for detecting on-board power supply module |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452017A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Full automatic over current protection test system and method |
| CN103235173A (en) * | 2013-04-24 | 2013-08-07 | 成都优博创技术有限公司 | Testing method and driving sampling device for threshold current of laser |
| CN203859501U (en) * | 2014-04-23 | 2014-10-01 | 深圳Tcl新技术有限公司 | Battery pack discharge protection circuit and device |
| CN105866582A (en) * | 2016-04-15 | 2016-08-17 | 孝感致诚科技服务有限公司 | Testing device and testing method for electronic ballast |
| CN205958660U (en) * | 2016-06-15 | 2017-02-15 | 江苏布诺科技有限公司 | Intelligent tester of earth leakage protection |
| CN107329019A (en) * | 2017-07-28 | 2017-11-07 | 山东嘉寓润峰新能源有限公司 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
| CN109212372A (en) * | 2018-11-06 | 2019-01-15 | 格力电器（武汉）有限公司 | A kind of overcurrent protector automatic test approach, system and device |
| CN110707657A (en) * | 2019-10-28 | 2020-01-17 | 深圳市施罗德工业集团有限公司 | Overcurrent protection setting method, overcurrent protection method and device |
| CN211293091U (en) * | 2019-09-20 | 2020-08-18 | 苏州浪潮智能科技有限公司 | USB overcurrent protection performance testing device |
-
2021
- 2021-09-16 CN CN202111087067.XA patent/CN113777520A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452017A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Full automatic over current protection test system and method |
| CN103235173A (en) * | 2013-04-24 | 2013-08-07 | 成都优博创技术有限公司 | Testing method and driving sampling device for threshold current of laser |
| CN203859501U (en) * | 2014-04-23 | 2014-10-01 | 深圳Tcl新技术有限公司 | Battery pack discharge protection circuit and device |
| CN105866582A (en) * | 2016-04-15 | 2016-08-17 | 孝感致诚科技服务有限公司 | Testing device and testing method for electronic ballast |
| CN205958660U (en) * | 2016-06-15 | 2017-02-15 | 江苏布诺科技有限公司 | Intelligent tester of earth leakage protection |
| CN107329019A (en) * | 2017-07-28 | 2017-11-07 | 山东嘉寓润峰新能源有限公司 | A kind of lithium battery protection board electric discharge overcurrent protection test device |
| CN109212372A (en) * | 2018-11-06 | 2019-01-15 | 格力电器（武汉）有限公司 | A kind of overcurrent protector automatic test approach, system and device |
| CN211293091U (en) * | 2019-09-20 | 2020-08-18 | 苏州浪潮智能科技有限公司 | USB overcurrent protection performance testing device |
| CN110707657A (en) * | 2019-10-28 | 2020-01-17 | 深圳市施罗德工业集团有限公司 | Overcurrent protection setting method, overcurrent protection method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201611A (en) * | 2022-07-29 | 2022-10-18 | 苏州浪潮智能科技有限公司 | Method for testing VR power supply stability of CPU and related components |
| CN115201611B (en) * | 2022-07-29 | 2024-01-19 | 苏州浪潮智能科技有限公司 | Method for testing VR power supply stability of CPU and related components |
| CN116224134A (en) * | 2023-02-14 | 2023-06-06 | 广州顶源电子科技股份有限公司 | Method and device for detecting on-board power supply module |
| CN116224134B (en) * | 2023-02-14 | 2023-10-31 | 广州顶源电子科技股份有限公司 | Method and device for detecting on-board power supply module |
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