CN218917583U

CN218917583U - Special lithium cell detection device of navigation mark

Info

Publication number: CN218917583U
Application number: CN202222802044.9U
Authority: CN
Inventors: 沈志江; 王玉强; 王硕; 阚明; 郭宇; 张卓义; 田原; 邹帆; 崔晓轩; 张华�; 李栋; 党依彤
Original assignee: Navigation Guarantee Center Of North China Sea (ngcn) Mot; Tianjin Tianyuanhai Technology Development Co ltd
Current assignee: Navigation Guarantee Center Of North China Sea (ngcn) Mot; Tianjin Tianyuanhai Technology Development Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-25
Anticipated expiration: 2032-10-24

Abstract

The application provides a special lithium cell detection device of navigation mark, include: the device comprises a main control module, a detection module, a data processing module, a control module, a display module and a power supply module; the main control module is connected with the detection module, the data processing module, the control module and the display module, the detection module is connected with the data processing module, the data processing module is connected with the display module, the display module is connected with the control module, the power module is provided with a low-voltage unit and a high-voltage unit, the low-voltage unit is connected with the control module, and the high-voltage unit is connected with the display module and the detection module. Optionally, the detection module includes a power relay, a hall sensor and an AD chip, and the AD chip is connected to the hall sensor. The inspection device in the application can inspect the battery performance without using a high-power resistor.

Description

Special lithium cell detection device of navigation mark

Technical Field

The application discloses a lithium battery detection processing, especially relates to a special lithium battery detection device of navigation mark.

Background

The battery is used as a mainstream power supply device, has very strong practicability and wide application range, and is indispensable for the application field of the battery, namely the application field of the battery is large enough for spaceflight diving and the application field of the battery is small enough for remote controller power supply.

In the navigation mark, the application of the lithium battery is very common, the lithium battery can work without additional electric energy, and the convenience is greatly improved, but in the use process of the lithium battery, particularly, each battery of the lithium battery pack, the performance of the lithium battery is usually reduced after the use time is long due to different discharge conditions, the maintenance of the lithium battery is needed at the moment, and the maintenance of the lithium battery is needed to detect the performance of the lithium battery.

At present, two methods of discharge detection and charge detection are generally adopted for lithium battery detection, wherein the discharge detection is accurate in description of performance, and high-power resistance is required in detection equipment required by the method, so that the product is large in size and serious in heat release.

Disclosure of Invention

In order to solve the problem in the prior art, this application provides a special lithium cell detection device of navigation mark.

The application provides a special lithium cell detection device of navigation mark, include: the device comprises a main control module, a detection module, a data processing module, a control module, a display module and a power supply module;

the main control module is connected with the detection module, the data processing module, the control module and the display module, the detection module is connected with the data processing module, the data processing module is connected with the display module, the display module is connected with the control module, the power module is provided with a low-voltage unit and a high-voltage unit, the low-voltage unit is connected with the control module, and the high-voltage unit is connected with the display module and the detection module.

Optionally, the detection module includes a power relay, a hall sensor and an AD chip, and the AD chip is connected to the hall sensor.

Optionally, the communication protocol of the master control module and the AD chip is IIC protocol.

Optionally, the power relay is connected with a driving circuit controlled by the micro-control module.

Alternatively, the low pressure is 5V and the high pressure is 24V.

Compared with the prior art, the application has the advantages that:

Drawings

Fig. 1 is a schematic hardware diagram of a lithium battery detection device special for navigation marks in the application.

Fig. 2 is a flow chart of the detection of the lithium battery special for the navigation mark in the application.

Detailed Description

The following are examples of specific implementation provided for the purpose of illustrating the technical solutions to be protected in this application in detail, but this application may also be implemented in other ways than described herein, and one skilled in the art may implement this application by using different technical means under the guidance of the conception of this application, so this application is not limited by the following specific embodiments.

Referring to fig. 1, the device for detecting a lithium battery dedicated for a navigation mark mainly includes a main control module 101, a detection module 102, a data processing module 103, a display module 104 and a power module 105.

In this application, the processor of the main control module 101 may use SMT32 chips, and the main function of the main control module 101 is to perform step control of detecting operation on the lithium battery detecting device. The main control module 101 is connected with a detection module 102, a data processing module 103, a control module 104, a display module 106 and a power module 106. The detection module is used for detecting various parameters in the lithium battery.

Specifically, the detection module 102 is provided with a power relay, a hall sensor, an AD chip and an RS485 chip. The detection module mainly detects basic parameters in the lithium battery, and comprises the following steps: terminal voltage, internal resistance of the battery and recovery speed of the lithium battery after short circuit.

As described with reference to fig. 2, the reference finger is first read, and then the numerical measurement is performed, wherein the steps of the measurement are as follows:

a loop for measuring the internal resistance of the lithium battery through the power relay;

a circuit for realizing short circuit of the lithium battery through the power relay;

the Hall sensor is used for converting the current of the lithium battery into a voltage signal which can be received by the AD chip;

sampling the terminal voltage and the current of the lithium battery through the AD chip;

the recovery time is measured using a timer within the AD chip.

And finally, comparing the measured value with a threshold value to judge whether the battery is good or not.

The recovery time refers to the reduction of the terminal voltage of the lithium battery after the short circuit, and the gradual recovery of the terminal voltage to the original voltage after the short circuit is released. Taking the time interval from the release of the short circuit to the recovery of the voltage to 90% of the original voltage as the recovery time of the lithium battery.

The hardware comprises a main control module 101 (MCU), an AD chip (AD conversion), a touch screen and a relay and relay driving circuit.

The data processing module 103 is configured to convert the detected current signal into a voltage signal. In particular, the data processing unit in the present application may be doubled by the AD chip.

The AD chip has the main function of power management. In the application, the AD chip is respectively connected with a lithium battery, a current sensor of the lithium battery and a power supply.

The main control module 101 may be a microprocessor, which communicates with the AD chip using IIC protocol and communicates with the display module using RS485 bus. The display module 104 is a touch screen that can be touched.

In this application, the main control module 101 is connected with the power relay in the detection module through a relay driving circuit, and the main control module 101 controls the power relay driving circuit to realize the on and off control of the power relay.

The power module 105 is first connected to the AD chip, which converts the power into two outputs, one being a low voltage output and the other being a high voltage output. Preferably, the low voltage is 5V, which is used for supplying power to the main control module, and the high voltage is 24V, which is used for supplying power to the display module and the detection module.

Claims

1. The utility model provides a special lithium cell detection device of navigation mark which characterized in that includes: the device comprises a main control module, a detection module, a data processing module, a display module and a power supply module;

the main control module is connected with the detection module, the data processing module and the display module, the detection module is connected with the data processing module, the power module is provided with a low-voltage unit and a high-voltage unit, the low-voltage unit is connected with the main control module, and the high-voltage unit is connected with the display module and the detection module.

2. The device for detecting the lithium battery special for the navigation mark according to claim 1, wherein the detection module comprises a power relay, a Hall sensor and an AD chip, and the AD chip is connected with the Hall sensor.

3. The navigation mark dedicated lithium battery detection device according to claim 2, wherein the communication protocol between the main control module and the AD chip is IIC protocol.

4. The navigation mark dedicated lithium battery detection device according to claim 2, wherein the power relay is connected with a driving circuit controlled by a micro control module.

5. The navigation mark dedicated lithium battery detection device according to any one of claims 1-4, wherein the low voltage is 5V and the high voltage is 24V.