CN214151437U

CN214151437U - PMU detection device

Info

Publication number: CN214151437U
Application number: CN202120012510.6U
Authority: CN
Inventors: 卢森; 梁展; 陈志锋; 成玲; 戴卫记; 林玉晓; 赵建林
Original assignee: Yinlong New Energy Co Ltd; Zhuhai Yinlong Electrical Appliance Co Ltd
Current assignee: Yinlong New Energy Co Ltd; Zhuhai Yinlong Electrical Appliance Co Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-07
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a PMU detection device, which comprises a switching value output module, a switching value output module and a switching value output module, wherein the switching value output module is electrically connected with the PMU and inputs the switching value to the PMU; the switching value input module is electrically connected with the PMU and used for acquiring the output switching value of the PMU; and the control module detects the switching value output by the PMU according to the switching value input into the PMU and judges whether the PMU is qualified or not. PMU detection device, through to PMU detection switch volume, power and temperature simulation, whether the rapid determination PMU is qualified.

Description

PMU detection device

Technical Field

The utility model belongs to the detection field especially relates to a PMU detection device.

Background

The PMU is a microcontroller for controlling a digital platform power supply, is a highly integrated power supply management scheme aiming at portable application, and has the functions of monitoring and dynamically monitoring the power supply in real time and recording actions in real time. In order to ensure that the application performance of the PMU can meet the requirements of dynamic monitoring and analysis of the system, the PMU test is very important.

SUMMERY OF THE UTILITY MODEL

For solving the PMU detection problem that mentions in the background art, the utility model provides a PMU detection device can effectual PMU's correlation performance and stability, has practical application's meaning, has ensured PMU before not installing, has kept the function of its qualified work to this verifies whether the product is inefficacy, the effectual stability of having ensured electronic components.

In order to achieve the above object, the utility model discloses a PMU detection device's concrete technical scheme as follows:

a PMU sensing device comprising:

the switching value output module is electrically connected with the PMU and inputs the switching value to the PMU;

the switching value input module is electrically connected with the PMU and used for acquiring the output switching value of the PMU;

and the control module detects the switching value output by the PMU according to the switching value input into the PMU and judges whether the PMU is qualified or not.

Furthermore, the PMU detection device also comprises

The temperature simulation module is electrically connected with the PMU and simulates NTC to input preset resistance to the PMU;

and the control module also judges whether the PMU is qualified or not according to the temperature value calculated by the PMU.

Furthermore, the PMU detection device also comprises

The power detection module is electrically connected with the PMU, collects the current and the voltage of the PMU and calculates the power of the PMU;

and the control module judges whether the PMU is qualified or not according to the power input into the PMU.

Furthermore, the PMU detection device also comprises a power module, and the PMU and the control module are connected in parallel on the power module.

Furthermore, the control module is electrically connected with a switch module, and the switch module is connected in series on a power supply branch of the PMU so as to control the switching of the PMU.

Further, the power detection module is arranged on a power supply branch of the PMU to detect voltage and current.

Furthermore, the control module is provided with a port which is electrically connected with the PMU through a CAN communication wire harness.

Further, the control module is electrically connected with a display module.

Furthermore, the control module is electrically connected with a buzzing module, and when the PMU is detected to be unqualified, the buzzing module gives an alarm.

The utility model discloses a PMU detection device has following advantage: the device can rapidly detect whether the service performance and the working state of the PMU meet the standard requirements or not, has the functions of storage and memory, can effectively control the quality of the incoming materials, improves the inspection efficiency and finally reduces the after-sale failure rate.

Drawings

Fig. 1 is a circuit diagram of the module of the present invention.

The notation in the figure is:

1. a control module; 2. a switching value output module; 3. a switching value input module; 4. a temperature simulation module; 5. a power detection module; 6. a power supply module; 7. a switch module; 8. a display module; 9. and a buzzer module.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description of the PMU detecting device of the present invention is made in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a PMU detection device, include:

the switching value output module 2 is electrically connected with the PMU and inputs the switching value to the PMU;

the switching value input module 3 is electrically connected with the PMU and used for acquiring the output switching value of the PMU;

and the control module 1 detects the switching value output by the PMU according to the switching value input to the PMU and judges whether the PMU is qualified or not.

Besides the switching value, the temperature and power are also detected, so the PMU detecting device further includes:

the temperature simulation module 4 is electrically connected with the PMU and simulates NTC to input a preset resistance to the PMU;

and the control module 1 judges whether the PMU is qualified or not according to the temperature value calculated by the PMU.

The power detection module 5 is electrically connected with the PMU, collects the current and the voltage of the PMU and calculates the power of the PMU;

and the control module 1 judges whether the PMU is qualified or not according to the power input into the PMU.

In order to transmit the signals of the PMU back to the control module 1, the control module 1 is provided with a port, and the port is electrically connected with the PMU through a CAN communication harness.

In order to display the result of the detection and judgment, the control module 1 is electrically connected with a display module 8. Specifically, the display module 8 includes a display screen and an indicator light. And control module 1 electricity is connected with buzzing module 9, and when detecting that the PMU is unqualified, buzzing module 9 reports to the police.

Besides, the PMU detection device also comprises a power module 6, and the PMU and the control module 1 are connected to the power module 6 in parallel. The control module 1 is electrically connected with a switch module 7, and the switch module 7 is connected in series on a power supply branch of the PMU so as to control the switching of the PMU. Typically the relay is a relay. In addition, a power detection module 5 is also arranged on the power supply branch of the PMU to detect the voltage and the current.

Therefore, whether the PMU is qualified or not is quickly determined by simulating the PMU detection switching value, the power and the temperature.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A PMU sensing device, comprising:

2. The PMU detection device of claim 1, characterized by further comprising

3. The PMU detection device of claim 1, characterized by further comprising

4. The PMU detection device according to claim 3, further comprising a power module, wherein the PMU and the control module are connected in parallel to the power module.

5. The PMU detection device according to claim 4, characterized in that the control module is electrically connected with a switch module, and the switch module is connected in series with a power supply branch of the PMU so as to control the PMU to be switched on and off.

6. The PMU detection device of claim 4, wherein the power detection module is arranged on a supply branch of the PMU to detect the voltage and current.

7. The PMU detection device of claim 1, wherein the control module is provided with a port, and the port is electrically connected with the PMU through a CAN communication harness.

8. The PMU detection device according to claim 1, characterized in that the control module is electrically connected with a display module.

9. The PMU detection device according to claim 1, characterized in that the control module is electrically connected with a buzzer module, and the buzzer module alarms when the PMU failure is detected.