CN217443754U

CN217443754U - Power cycle device capable of performing batch test

Info

Publication number: CN217443754U
Application number: CN202123189160.XU
Authority: CN
Inventors: 林志坚; 王海; 何旺; 曾新勇
Original assignee: Zhihao Microelectronics Huizhou Co ltd
Current assignee: Zhihao Microelectronics Huizhou Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-09-16
Anticipated expiration: 2031-12-18

Abstract

The utility model discloses a power cycle device capable of batch test, which comprises an MCU module, a power input module electrically connected with the MCU module, and an initial parameter input module electrically connected with the MCU module; the voltage module is electrically connected with the MCU module; the voltage module is including voltage port, processing voltage port transmission voltage's processing sampling piece, just processing sampling piece with MCU module electric connection, the voltage port is equipped with 32 voltage ports, through the setting of voltage port, has solved power cycle experimental facilities test quantity less and need purchase many equipment and satisfy the test requirement and lead to with high costs problem, has realized that single power cycle experimental facilities can carry out batch test, satisfies the test requirement of industrial product, guarantees that test operation is convenient, effectively reduces purchasing cost, and maintains simple and convenient swift.

Description

Power cycle device capable of performing batch test

Technical Field

The utility model belongs to the technical field of power cycle device, concretely relates to power cycle device that can be experimental in batches.

Background

The power cycle experiment is a reliability experiment of the power semiconductor device, and is an important experiment evaluation item for power device and module evaluation.

In the prior art, a single power cycle experimental device on the market can only test 12 samples at most at the same time, and at least 22 samples in each batch are required for the test of industrial products, so that the single power cycle experimental device is difficult to meet the requirements, the purchase cost of the devices is increased when multiple devices are purchased, the devices need to be managed and stored, and the maintenance is complicated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a power cycle device capable of batch testing, and through the setting of the voltage port, the problem that the test quantity of power cycle experimental equipment is small, multiple pieces of equipment need to be purchased, the test requirement is met, and the cost is high is solved, the batch testing of single piece of power cycle experimental equipment is realized, the test requirement of industrial products is met, the test operation is convenient and fast, the purchase cost is effectively reduced, and the maintenance is simple, convenient and fast.

The technical scheme provided by the embodiment of the application is as follows:

a power cycle device capable of performing batch tests comprises an MCU module, a power input module electrically connected with the MCU module, and an initial parameter input module electrically connected with the MCU module; the system comprises a voltage module electrically connected with the MCU module, a power supply module controlled by the MCU module through a serial port, a host module controlled by the MCU module through a serial port, and an LED indicating module electrically connected with the MCU module, wherein the measurement result of the MCU module is transmitted to the host module; the voltage module comprises a voltage port and a processing sampling block for processing voltage transmitted by the voltage port, the processing sampling block is electrically connected with the MCU module, and the voltage port is provided with 32 voltage ports.

The MCU module is used for carrying out digital-to-analog conversion operation. The initial parameter input module is used for transmitting an initial parameter signal to the MCU module. The voltage module is used for testing voltage, sampling and holding the voltage and then transmitting the voltage to the MCU module. The power input module is used for providing working voltage for the power circulating device. The host module is used for receiving the result of the digital-to-analog conversion completed by the MCU module. The LED indicating module is used for knowing whether the current test state is a power applying state or not.

The utility model discloses in, through the quantity that sets up the voltage port, effectively improve the quantity of voltage port, satisfy the experimental requirement of industrial product for power cycle device test operation is simple and efficient, and single power cycle device can satisfy the experimental requirement of technology product, effectively reduces purchasing cost, and single equipment is convenient for maintain.

Furthermore, the voltage port is equipped with 8 groups, and each group is equipped with 4 voltage ports. Through this setting, through the grouping management of voltage port, the convenience of the test operation of being convenient for, and improve the follow-up maintenance convenience.

Further, the processing of the sampling block comprises voltage filtering pretreatment, differential amplification pretreatment and level translation pretreatment; and the processing sampling block is used for processing the voltage transmitted by the voltage port, sampling the preprocessed voltage and sending the sampled voltage to the MCU module. Through this setting, effectively guarantee the accurate nature of voltage sampling, guarantee experimental reliability.

Furthermore, the power input module comprises an initial power supply, a first buck DC converter electrically connected with the initial power supply, and a second buck DC converter electrically connected with the first buck DC converter. The first buck DC converter steps down the primary power supply to 5V. The second buck DC converter steps the operating voltage of the first buck DC converter to 3.3V. Through this setting, for power cycle device provides 5V and 3.3V's operating voltage, effectively guarantee the experimental steady operation of device, guarantee experimental reliability.

Further, the initial setting parameters included in the initial parameter input module include a time period of a power cycle test, a duty ratio of the power cycle test, and a current value. Through the arrangement, the power supply module is controlled to output corresponding current in corresponding time periods so as to realize the function of the power cycle test.

Further, the monitoring voltage of the voltage module is 0-4V. Through the setting, if the monitoring voltage exceeds 4V, the clamping is carried out at 4V, and the input port and the output port of the MCU module are effectively protected from being damaged.

Further, the LED indicating module comprises a first indicating lamp for indicating that the test state is in the power applying state and a second indicating lamp for indicating that the test state is in the power non-applying state. Through the arrangement, an operator can know the state of the device at a glance, and when the first indicator light is turned on, the test state is in a power applying state; when the second indicator light is on, the test state is in a power-off state, so that the operation is simple, convenient and easy.

Furthermore, the host module comprises 4 sets of hosts, and the 4 sets of hosts are operated online. Through this setting, effectively guarantee experimental accurate nature.

The utility model has the advantages that:

through the setting of voltage port, solved power cycle experimental facilities experimental quantity few and need purchase many equipment and satisfy the experimental problem that requires to lead to with high costs, realized that single power cycle experimental facilities can carry out batch test, satisfy the experimental requirement of industrial product, guarantee that experimental simple operation effectively reduces purchasing cost, and maintain simple and convenient swift.

Drawings

Fig. 1 is a schematic structural view of the present invention.

The labels in the figure are: an MCU module 1; a power input module 2, a primary power source 21, a first buck DC converter 22, a second buck DC converter 23; an initial parameter input module 3; a voltage module 4, a voltage port 41, a processing sampling block 42; a power supply module 5; a host module 6; LED indicates the module 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

As shown in fig. 1, an embodiment of the present invention provides a power cycle apparatus capable of performing batch tests, which includes an MCU module, a power input module 2 electrically connected to the MCU module, and an initial parameter input module 3 electrically connected to the MCU module; the device comprises a voltage module 4 electrically connected with the MCU module, a power supply module 5 controlled by the MCU module through a serial port, a host module 6 controlled by the MCU module through a serial port, an LED indication module 7 electrically connected with the MCU module, wherein the measurement result of the MCU module is transmitted to the host module 6; the voltage module 4 comprises a voltage port 41 and a processing sampling block 42 for processing the voltage transmitted by the voltage port 41, the processing sampling block 42 is electrically connected with the MCU module, and the voltage port 41 is provided with 32 voltage ports 41.

The MCU module is used for carrying out digital-to-analog conversion operation. The initial parameter input module 3 is used for transmitting an initial parameter signal to the MCU module. The voltage module 4 is used for testing voltage, sampling and holding the voltage, and transmitting the voltage to the MCU module. The power input module 2 is used for providing working voltage for the power cycle device. The host module 6 is used for receiving the result of digital-to-analog conversion completed by the MCU module. The LED indication module 7 is used to know whether the current test state is a power applied state.

The utility model discloses in, through the quantity that sets up voltage port 41, effectively improve voltage port 41's quantity, satisfy the experimental requirement of industrial product for power cycle device test operation is simple and efficient, and single power cycle device can satisfy the experimental requirement of technology product, effectively reduces purchasing cost, and single equipment is convenient for maintain.

In one embodiment, the voltage ports 41 are provided in 8 groups of 4 voltage ports 41. Through this setting, through voltage port 41's grouping management, the convenience of the test operation of being convenient for, and improve the follow-up maintenance convenience.

In one embodiment, the processing sample block 42 includes voltage filtering preprocessing, differential amplification preprocessing, and level shift preprocessing; the processing sampling block 42 is used for processing the voltage transmitted by the voltage port 41 and sampling and sending the preprocessed voltage to the MCU module. Through this setting, effectively guarantee voltage sampling's accurate nature, guarantee experimental reliability.

In one embodiment, the power input module 2 includes a primary power source 21, a first buck DC converter 22 electrically connected to the primary power source 21, and a second buck DC converter 23 electrically connected to the first buck DC converter 22. The first step-down DC converter 22 steps down the primary power supply 21 to 5V. The second buck DC converter 23 steps the operating voltage of the first buck DC converter 22 to 3.3V. Through the setting, 5V and 3.3V working voltage are provided for the power circulating device, the stable operation of the device test is effectively ensured, and the reliability of the test is ensured.

In one embodiment, the initial parameter input module 3 includes initial setting parameters, such as a time period of a power cycle test, a duty ratio of the power cycle test, and a current value. By this arrangement, the power supply module 5 is controlled to output the corresponding current for the corresponding time period, so as to realize the function of the power cycle test.

In one embodiment, the monitoring voltage of the voltage module 4 is 0-4V. Through the setting, if the monitoring voltage exceeds 4V, the clamping is carried out at 4V, and the input port and the output port of the MCU module are effectively protected from being damaged.

In one embodiment, the LED indication module 7 includes a first indicator light for indicating that the test state is in the power application state, and a second indicator light for indicating that the test state is in the power non-application state. Through the arrangement, an operator can know the state of the device at a glance, and when the first indicator light is turned on, the test state is in a power applying state; when the second indicator light is on, the test state is in a power-off state, so that the operation is simple, convenient and easy.

In one embodiment, the host module 6 includes 4 sets of hosts, and 4 sets of the hosts are operated online. Through this setting, effectively guarantee experimental accurate nature.

The utility model has the advantages that:

through the setting of voltage port 41, the problem that the test quantity of power cycle experimental equipment is small and a plurality of devices need to be purchased to meet the test requirements, so that the cost is high is solved, batch test of a single power cycle experimental equipment can be realized, the test requirements of industrial products are met, the test operation is convenient and fast, the purchase cost is effectively reduced, and the maintenance is simple, convenient and fast.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims

1. A power circulating device capable of performing batch tests is characterized by comprising an MCU module, a power input module electrically connected with the MCU module, an initial parameter input module electrically connected with the MCU module, a voltage module electrically connected with the MCU module, a power supply module controlled by the MCU module through a serial port, a host module controlled by the MCU module through a serial port, and an LED indicating module electrically connected with the MCU module, wherein the measurement result of the MCU module is transmitted to the host module; the voltage module comprises a voltage port and a processing sampling block for processing voltage transmitted by the voltage port, and the processing sampling block is electrically connected with the MCU module; the voltage port is provided with 32 voltage ports.

2. A batch testable power cycle apparatus according to claim 1, wherein there are 8 groups of 4 voltage ports per group.

3. The power cycle apparatus of claim 1, wherein the processing sample block comprises voltage filtering preprocessing, differential amplification preprocessing, and level shift preprocessing; and the processing sampling block is used for processing the voltage transmitted by the voltage port, sampling the preprocessed voltage and sending the sampled voltage to the MCU module.

4. The batch testable power cycle apparatus of claim 1, wherein the power input module comprises a primary power source, a first buck DC converter electrically connected to the primary power source, and a second buck DC converter electrically connected to the first buck DC converter.

5. The batch testable power cycle apparatus of claim 4, wherein the first buck-type DC converter steps down the primary power supply to 5V.

6. The batch testable power cycle apparatus of claim 5, wherein the second buck-type DC converter steps the operating voltage of the first buck-type DC converter down to 3.3V.

7. The batch testable power cycle apparatus according to claim 1, wherein the initial parameter input module includes initial setting parameters including a time period of the power cycle test, a duty ratio of the power cycle test, and a current value.

8. A batch testable power cycle apparatus according to claim 1, wherein the voltage module has a monitored voltage of 0-4V.

9. The power cycle apparatus of claim 1 wherein the LED indicator module comprises a first indicator light for indicating that the test condition is in an applied power state and a second indicator light for indicating that the test condition is in a non-applied power state.

10. The power cycle apparatus of claim 1 wherein the mainframe module comprises 4 sets of mainframe computers, and wherein 4 sets of mainframe computers are operated online.