CN215728675U

CN215728675U - Electric quantity monitoring system for starting storage battery of automobile and engineering machinery

Info

Publication number: CN215728675U
Application number: CN202121505030.XU
Authority: CN
Inventors: 黄国军
Original assignee: Shenzhen Lehui Photoelectric Technology Co ltd
Current assignee: Shenzhen Lehui Photoelectric Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-01
Anticipated expiration: 2031-07-02

Abstract

The invention provides a system for monitoring the electric quantity of a starting storage battery of an automobile and engineering machinery, which adopts a mode of an electric quantity monitoring module, a communication transmission module, a background management module and a display terminal module to monitor the electric quantity of a single lead-acid battery used on the automobile and equipment. The electric quantity monitoring module uploads data to background management through a 4G signal after monitoring the electric quantity of the battery, an electric quantity alarm threshold value can be set in the background management, and when the electric quantity is lower than the threshold value, the system can push low-electric-quantity information to the hands of a user through a micro-signal subscription number to remind the user of charging and maintaining in time. The electric quantity monitoring module adopts a timing detection mode, and the detection is performed once at a certain interval, so that the phenomenon that the battery consumes too fast due to long-time online is avoided.

Description

Electric quantity monitoring system for starting storage battery of automobile and engineering machinery

Technical Field

The invention relates to a storage battery electric quantity monitoring system, in particular to an electric quantity monitoring system for starting a storage battery of an automobile and engineering machinery.

Background

At present, a plurality of automobiles and engineering machinery which are rarely used in daily life can be stored for a long time, and the conditions that the vehicle is damaged by a battery and equipment cannot be normally used due to the fact that the electric quantity of the starting storage battery is exhausted can occur. The conventional BMS power monitoring system is mainly used for lithium batteries, starting batteries of automobiles and engineering machinery are mostly lead-acid batteries, and no system for monitoring power and feeding back data of the lead-acid batteries used on the automobiles and the engineering machinery exists in the market.

The existing lead-acid battery monitoring system is mainly used for monitoring a multi-battery combined emergency power supply system, and has the main problems of high cost and complex system, and cannot be popularized to single lead-acid batteries of automobiles, engineering machinery and the like.

Disclosure of Invention

The utility model provides an automobile and engineering machine tool start-up battery electric quantity monitoring system, includes electric quantity monitoring module, communication transmission module, backstage management module and show end module, its characterized in that, electric quantity monitoring module is connected with backstage management module through communication transmission module, backstage management module is connected with the show module.

Further, the electric quantity monitoring module is a voltage or current monitoring device. The electric quantity monitoring module monitors the electric quantity of the battery through the change of voltage or current.

Further, the communication transmission module is a 2G, 3G, 4G or 5G transmission device. The communication transmission module is used for transmitting the electric quantity data to background management.

Further, the background management module is a computer server or a cloud server. The background management module is used for recording and analyzing the electric quantity data.

Furthermore, the display end module is a mobile phone short message, a WeChat, a tablet computer or a computer. And pushing the low-power information to the hand of the user through the display terminal module.

The invention adopts the mode of the electric quantity monitoring module, the communication transmission module, the background management module and the display terminal module to monitor the electric quantity of a single lead-acid battery used on an automobile and equipment. The electric quantity monitoring module uploads data to background management through a 4G signal after monitoring the electric quantity of the battery, an electric quantity alarm threshold value can be set in the background management, and when the electric quantity is lower than the threshold value, the system can push low-electric-quantity information to the hands of a user through a micro-signal subscription number to remind the user of charging and maintaining in time. The electric quantity monitoring module adopts a timing detection mode, and the detection is performed once at a certain interval, so that the phenomenon that the battery consumes too fast due to long-time online is avoided.

The invention has the beneficial effects that: the patent technology can find the problem of insufficient electric quantity in time, avoid battery damage caused by battery feeding, reduce the replacement cost of the battery and the rescue cost of the automobile caused by the battery damage, and has great economic benefit;

the emergency storage system can ensure that the condition of insufficient battery power can be found in time aiming at the vehicles and equipment which are rarely used in the warehouse as the daily storage of emergency materials, ensure that the equipment can be normally used when needing to be used, and has good social benefit.

Drawings

FIG. 1 is a schematic flow chart of a system for monitoring the electric quantity of a starting storage battery of an automobile and an engineering machine;

FIG. 2 is a schematic diagram of a circuit of a system for monitoring the electric quantity of a starting storage battery of an automobile and an engineering machine.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

As shown in fig. 1, the system for monitoring the electric quantity of the starting storage battery of the automobile and the engineering machinery comprises an electric quantity monitoring module, a communication transmission module, a background management module and a display terminal module, and is characterized in that the electric quantity monitoring module is connected with the background management module through the communication transmission module, and the background management module is connected with the display module.

The electric quantity monitoring module is a voltage monitoring device, and the voltage monitoring device monitors the electric quantity of the battery through the change of voltage. The communication transmission module is a 4G communication module, and the 4G communication module is used for transmitting the electric quantity data to background management. The background management is a computer server, and the computer server background management is used for recording and analyzing the electric quantity data. The display terminal module is WeChat. And pushing the low-power information to the hand of the user through the WeChat display terminal module.

Example 2

As shown in fig. 2, the electric quantity monitoring module includes a power supply device, an MCU and a level shift circuit; the communication transmission module comprises a 4G communication module and a 4G module peripheral circuit. Wherein, MCU adopts STM8L152, adopts serial ports communication between MCU and the 4G communication module, and MCU still opens/shuts down and power on/off control 4G communication module simultaneously.

The signal level of the MCU is 3.3V, the signal level of the 4G communication module is 1.8V, and the communication signals between the MCU and the 4G communication module must be subjected to level conversion, and the level conversion circuit is respectively composed of Q3, Q4 and Q5 circuits.

The power supply device includes a first power chip U1 and a second power chip U2. The first power supply chip U1 converts the battery voltage into 3.3V to supply power to the MCU. The second power chip U2 converts the battery voltage into 1.8V to supply power to the 4G communication module, and the MCU provides an on/off signal to the U2 to realize the power-on/off control of the 4G communication module.

The 4G module peripheral circuit comprises a USB interface, a card seat and ESD protection. The USB interface enables the 4G module to be connected with a computer and is used for upgrading programs for the 4G communication module. The 4G card and the 4G module are inserted into the card holder, the server can be logged in through the Internet, electrostatic impact can be generated in the card pulling and inserting process, and an ESD protection chip D7 is added for absorbing impact current for protecting the SIM card and the 4G module.

The MCU uses the PA6 port to collect the sampling voltage of the battery and analyzes the capacity of the battery according to the sampling voltage, and simultaneously monitors the state of the commercial power, transmits the data to the 4G communication module through the serial port, and then sends the data to the background management module, namely the cloud server, through the 4G communication module.

While the invention has been described in connection with specific preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automobile and engineering machine tool start-up battery electric quantity monitoring system, includes electric quantity monitoring module, communication transmission module, backstage management module and show end module, its characterized in that, electric quantity monitoring module is connected with backstage management module through communication transmission module, backstage management module is connected with the show module.

2. The battery charge monitoring system of claim 1, wherein the charge monitoring module is a voltage or current monitoring device.

3. The system for monitoring the electric quantity of the storage battery according to claim 2, wherein the communication transmission module is a 2G, 3G, 4G or 5G communication module.

4. The battery charge monitoring system of claim 3, wherein the background management is a computer server or a cloud server.

5. The system for monitoring the electric quantity of the storage battery according to claim 4, wherein the display end module is a mobile phone short message, a WeChat, a tablet computer or a computer.

6. The system for monitoring the electric quantity of the storage battery according to claim 3 or 5, wherein the electric quantity monitoring module comprises a power supply device, an MCU and a level conversion circuit.

7. The battery power monitoring system of claim 6, wherein the communication transmission module comprises a 4G communication module and a 4G module peripheral circuit.

8. The battery charge monitoring system of claim 6, wherein the level shifting circuits are respectively composed of Q3, Q4 and Q5 circuits.

9. The battery power monitoring system of claim 7 or 8, wherein the power supply device comprises a first power chip U1 and a second power chip U2.

10. The battery level monitoring system of claim 6, wherein the 4G module peripheral circuitry comprises a USB interface, a card socket, and ESD protection.