CN110877548A - Electric automobile BMS charging monitoring system - Google Patents

Abstract

The invention discloses an electric automobile BMS charging monitoring system which comprises a charging pile, a large-scale storage battery, a signal receiver and a circuit current stabilizer, wherein an all-metal protective shell is installed on one side of the charging pile, a microcontroller is installed on one side of a low-power alarm, the signal receiver is installed above the microcontroller, a voice converter is installed on one side of the signal receiver, a charging socket is installed below the voice converter, a built-in transformer is installed below the charging socket, the circuit current stabilizer is installed below the built-in transformer, and a ventilation cooling plate is installed on one side of the all-metal protective shell. Has the advantages that: the system makes a specific decision for preventing overcharge according to the characteristics of each battery, the temperature of the charging environment and the charging characteristics of the battery, thereby effectively avoiding overcharge, prolonging the service life of the battery and enhancing the use safety.

Description

Electric automobile BMS charging monitoring system

Technical Field

The invention relates to the field of electric automobile equipment, in particular to a BMS (battery management system) charging monitoring system of an electric automobile.

Background

The charging mode of the electric automobile comprises various modes such as quick charging, slow charging, battery replacement and the like. For systems using secondary batteries, an "overcharge" phenomenon is prevalent during charging, which impairs battery life. In addition, the cell manufacturing process may determine the capacity of the cells in the same batch. The closer prior art is: CN201710606490.3, only considering empirical value correction of Psoc, does not address the characteristics of individual cells themselves. Other techniques that are somewhat similar are: CN201710100309.3, adopts a method of writing empirical values to adjust the charging process.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a BMS charging monitoring system for an electric vehicle.

The invention realizes the purpose through the following technical scheme:

an electric automobile BMS charging monitoring system comprises a charging pile, a large-scale storage battery, a signal receiver and a circuit current stabilizer, one side of the charging pile is provided with an all-metal protective shell, a tapping terminal is arranged in the all-metal protective shell, the large storage battery is arranged on one side of the tapping terminal, an electric quantity sensor is arranged above the large storage battery, a low-power alarm is arranged above the power inductor, a microcontroller is arranged on one side of the low-power alarm, the signal receiver is arranged above the microcontroller, a voice converter is arranged on one side of the signal receiver, a charging socket is arranged below the voice converter, a built-in transformer is arranged below the charging socket, the circuit current stabilizer is installed below the built-in transformer, and a ventilation and heat dissipation plate is installed on one side of the all-metal protection shell.

In this embodiment, fill electric pile and contain work pilot lamp, charging socket, IC-card socket, information storage card, high energy lithium cell, charging socket is installed to work pilot lamp below, charging socket installs the below the IC-card socket, install IC-card socket below the information storage card, install information storage card below the information storage card the high energy lithium cell.

In this embodiment, microcontroller contains electric pile control module, charging control unit, battery management unit, data acquisition module, integrated management unit, expert system, temperature detection module, install electric pile control module below charging control unit, charging control unit installs the below battery management unit, install battery management unit below data acquisition module, install data acquisition module installs the below integrated management unit, integrated management unit installs one side expert system, install expert system top temperature detection module.

In this embodiment, the charging pile is connected with the tapping terminal through a wire, and the tapping terminal is connected with the large-sized storage battery through a wire.

In this embodiment, the electric quantity sensor is connected to the low electric quantity alarm via a wire, and the microcontroller is connected to the signal receiver via a wire.

In this embodiment, the voice converter is connected to the microcontroller through a wire, and the charging jack is connected to the internal transformer through a wire.

In this embodiment, the all-metal protective housing is formed by pressing alloy steel, and the surface of the all-metal protective housing is polished to a thickness of 5 mm.

In this embodiment, the circuit current regulator is connected to the large storage battery through a wire, and the built-in transformer is connected to the large storage battery through a wire.

In this embodiment, the work indicator light is connected with the high-energy lithium battery through a wire, the charging socket is connected with the high-energy lithium battery through a wire, and the IC card socket is connected with the information storage card through a wire.

In this embodiment, the charging control unit with electric pile control module passes through the wire and connects, combine battery management unit with the data acquisition module passes through the wire and connects, the electricity synthesize the management unit with expert system passes through the wire and connects, temperature detection module with expert system passes through the wire and connects.

The invention has the beneficial effects that: the system makes a specific decision for preventing overcharge according to the characteristics of each battery, the temperature of the charging environment and the charging characteristics of the battery, thereby effectively avoiding overcharge, prolonging the service life of the battery and enhancing the use safety.

Drawings

Fig. 1 is a schematic front view of a BMS charging monitoring system of an electric vehicle according to the present invention;

fig. 2 is a schematic left-side view of an electric vehicle BMS charging monitoring system according to the present invention;

fig. 3 is a schematic diagram of a front view of a charging pile of the BMS charging monitoring system for an electric vehicle according to the present invention;

fig. 4 is a schematic diagram illustrating the operation of a microcontroller of a BMS charging monitoring system for an electric vehicle according to the present invention.

The reference numerals are explained below:

1. charging piles; 101. a work indicator light; 102. a charging jack; 103. an IC card socket; 104. an information storage card; 105. a high-energy lithium battery; 2. an all-metal protective housing; 3. tapping a line terminal; 4. a large-sized storage battery; 5. an electric quantity sensor; 6. a low battery alarm; 7. a microcontroller; 701. a charging pile control module; 702. a charging control unit; 703. a battery management unit; 704. a data acquisition module; 705. a comprehensive management unit; 706. an expert system; 707. a temperature detection module; 8. a signal receiver; 9. a voice converter; 10. a charging jack; 11. a transformer is arranged inside; 12. a circuit current stabilizer; 13. an exhaust gas inlet.

Detailed Description

The invention 70 is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, a charging monitoring system for an electric vehicle BMS includes acharging pile 1, alarge storage battery 4, asignal receiver 8 and acircuit current regulator 12, wherein an all-metal protection housing 2 is installed at one side of thecharging pile 1, atapping terminal 3 is installed inside the all-metal protection housing 2, thelarge storage battery 4 is installed at one side of thetapping terminal 3, a power inductor 5 is installed above thelarge storage battery 4, alow power alarm 6 is installed above the power inductor 5, amicrocontroller 7 is installed at one side of thelow power alarm 6, thesignal receiver 8 is installed above themicrocontroller 7, avoice converter 9 is installed at one side of thesignal receiver 8, acharging socket 10 is installed below thevoice converter 9, a built-intransformer 11 is installed below thecharging socket 10, thecircuit current stabilizer 12 is installed below the built-intransformer 11, and the ventilation andheat dissipation plate 13 is installed on one side of the all-metal protection shell 2.

In this embodiment, thecharging pile 1 includes awork indicator 101, acharging socket 102, an IC card socket 103, aninformation storage card 104, and a high-energy lithium battery 105, thecharging socket 102 is installed below thework indicator 101, the IC card socket 103 is installed below thecharging socket 102, theinformation storage card 104 is installed below the IC card socket 103, and the high-energy lithium battery 105 is installed below theinformation storage card 104.

In this embodiment, themicrocontroller 7 includes an electricpile control module 701, acharging control unit 702, abattery management unit 703, adata acquisition module 704, anintegrated management unit 705, anexpert system 706, and atemperature detection module 707, thecharging control unit 702 is installed below the electricpile control module 701, thebattery management unit 703 is installed below thecharging control unit 702, thedata acquisition module 704 is installed below thebattery management unit 703, theintegrated management unit 705 is installed below thedata acquisition module 704, theexpert system 706 is installed on one side of theintegrated management unit 705, and thetemperature detection module 707 is installed above theexpert system 706.

In this embodiment, thecharging pile 1 is connected to thetap line terminal 3 through a wire, and thetap line terminal 3 is connected to the large-sizedstorage battery 4 through a wire.

In this embodiment, the power sensor 5 is connected to thelow power alarm 6 by a wire, and themicrocontroller 7 is connected to thesignal receiver 8 by a wire.

In this embodiment, thevoice converter 9 is connected to themicrocontroller 7 through a wire, and thecharging jack 10 is connected to theinternal transformer 11 through a wire.

In this embodiment, the all-metalprotective case 2 is formed by pressing alloy steel, and the surface of the all-metal protective case is polished to a thickness of 5 mm.

In this embodiment, thecircuit current regulator 12 is connected to thelarge storage battery 4 through a wire, and the built-intransformer 11 is connected to thelarge storage battery 4 through a wire.

In this embodiment, the workingindicator light 101 is connected to the high-energy lithium battery 105 through a wire, the chargingsocket 102 is connected to the high-energy lithium battery 105 through a wire, and the IC card socket 103 is connected to theinformation storage card 104 through a wire.

In this embodiment, the chargingcontrol unit 702 is connected to the electricpile control module 701 through a wire, the comprehensivebattery management unit 703 is connected to thedata acquisition module 704 through a wire, the electriccomprehensive management unit 705 is connected to theexpert system 706 through a wire, and thetemperature detection module 707 is connected to theexpert system 706 through a wire.

The specific working principle is as follows: an electric automobile is connected with the charging socket 102, the IC card socket 103 is connected with an IC card of a user, the information storage card 104 compares information, the work indicator light 101 displays the work state of the charging pile 1, the large-scale storage battery 4 displays that the charging pile 1 provides electric quantity, the electric quantity sensor 5 senses the electric quantity of the large-scale storage battery 4, the low-electric-quantity alarm 6 gives out an alarm when the electric quantity is low, the charging socket 10 is connected with an external power supply, the built-in transformer 11 regulates voltage to enable the voltage to meet the charging condition of the large-scale storage battery 4, the circuit current stabilizer 12 stabilizes the output current of the large-scale storage battery 4, the data acquisition module 704 monitors the charging state of the battery, performs first data acquisition when the battery starts to be charged, and the acquisition frequency is fixed, the acquisition cycle is 400ms, the data acquisition module 704 sends the monitored data to the integrated management unit 705, the integrated management unit 705 calculates the received data and sends a control instruction, and the determination criterion is battery SOC: if the actual SOC of the battery is greater than or equal to the preset target SOC, the charging management unit sends a command of "stop charging", otherwise, a command of "continue charging" is sent, the temperature detection module 707 detects the ambient temperature in real time, the acquisition cycle is 400ms, and the expert system 706 may be a solidified storage unit or a cloud system.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. The utility model provides an electric automobile BMS charging monitoring system which characterized in that: the device comprises a charging pile (1), a large-scale storage battery (4), a signal receiver (8) and a circuit current stabilizer (12), wherein an all-metal protection shell (2) is installed on one side of the charging pile (1), a tapping line terminal (3) is installed inside the all-metal protection shell (2), the large-scale storage battery (4) is installed on one side of the tapping line terminal (3), an electric quantity inductor (5) is installed above the large-scale storage battery (4), a low-electric-quantity alarm (6) is installed above the electric quantity inductor (5), a microcontroller (7) is installed on one side of the low-electric-quantity alarm (6), the signal receiver (8) is installed above the microcontroller (7), a voice converter (9) is installed on one side of the signal receiver (8), and a charging socket (10) is installed below the voice converter (9), built-in transformer (11) are installed to charging socket (10) below, install built-in transformer (11) below circuit current regulator (12), ventilation cooling panel (13) are installed to full metal protection casing (2) one side.

2. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: fill electric pile (1) and contain work pilot lamp (101), charging socket (102), IC-card socket (103), information storage card (104), high energy lithium cell (105), install work pilot lamp (101) below charging socket (102), install charging socket (102) below IC-card socket (103), install IC-card socket (103) below information storage card (104), install information storage card (104) below high energy lithium cell (105).

3. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: microcontroller (7) contain electric pile control module (701), charge control unit (702), battery management unit (703), data acquisition module (704), integrated management unit (705), expert system (706), temperature detection module (707), install electric pile control module (701) below charge control unit (702), install charge control unit (702) below battery management unit (703), install battery management unit (703) below data acquisition module (704), install data acquisition module (704) below integrated management unit (705), integrated management unit (705) one side is installed expert system (706), install expert system (706) top temperature detection module (707).

4. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: the charging pile (1) is connected with the tapping line terminal (3) through a wire, and the tapping line terminal (3) is connected with the large storage battery (4) through a wire.

5. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: the electric quantity sensor (5) is connected with the low electric quantity alarm (6) through a lead, and the microcontroller (7) is connected with the signal receiver (8) through a lead.

6. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: the voice converter (9) is connected with the microcontroller (7) through a lead, and the charging socket (10) is connected with the built-in transformer (11) through a lead.

7. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: the all-metal protection shell (2) is formed by pressing alloy steel, the surface of the all-metal protection shell is polished, and the thickness of the all-metal protection shell is 5 mm.

8. The BMS charging monitoring system of an electric vehicle of claim 1, wherein: the circuit current stabilizer (12) is connected with the large storage battery (4) through a lead, and the built-in transformer (11) is connected with the large storage battery (4) through a lead.

9. The BMS charging monitoring system of an electric vehicle according to claim 2, wherein: the work indicator light (101) with high energy lithium cell (105) pass through the wire and connect, charging socket (102) with high energy lithium cell (105) pass through the wire and connect, IC-card socket (103) with information storage card (104) pass through the wire and connect.

10. The BMS charging monitoring system of an electric vehicle according to claim 3, wherein: the charging control unit (702) is connected with the electric pile control module (701) through a conducting wire, the comprehensive battery management unit (703) is connected with the data acquisition module (704) through a conducting wire, the electric comprehensive management unit (705) is connected with the expert system (706) through a conducting wire, and the temperature detection module (707) is connected with the expert system (706) through a conducting wire.

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