CN218334235U

CN218334235U - Intelligent lithium battery simulation cell with electric shock protection

Info

Publication number: CN218334235U
Application number: CN202221779860.6U
Authority: CN
Inventors: 陈金干; 袁永军; 戴海峰; 唐崇峰
Original assignee: Shanghai Tonzhan New Energy Technology Co ltd
Current assignee: Shanghai Tonzhan New Energy Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-01-17
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses an intelligent lithium cell simulation electric core of area electric shock protection, including simulation electric core body, simulation electric core body includes the post spare, the integrated circuit board, simulation electric core shell and status display screen, the utility model relates to an intelligent lithium cell simulation electric core of area electric shock protection, through setting up the integrated circuit board, be equipped with the isolation power module in the integrated circuit board, keep apart communication module, central control module, power amplification module, digital analog conversion module and analog-to-digital conversion module, the integrated circuit board can be according to the output voltage and the mode of host computer interface settlement electric core, can guarantee that the trainee has slight electric shock sensation when the maloperation electric shock and in time cut off the output in the time of regulation, can output enough big balanced current simultaneously and ensure the characteristic of simulating true electric core under balanced output mode, this kind of simulation electric core body outward appearance is the same with true electric core, consequently can assemble into the battery package of trainee for on-site training.

Description

Intelligent lithium battery simulation cell with electric shock protection

Technical Field

The utility model relates to a lithium ion battery technical field specifically is an intelligent lithium cell simulation electricity core of area electric shock protection.

Background

With the gradual popularization of lithium ion batteries, simulated battery cells are required to replace real lithium ion batteries in some occasions, which include a new energy automobile battery management system hardware in-loop test system, a battery management system controller offline detection system, a load box used in a function and performance verification test process, a teaching aid for lithium ion batteries, after-sales maintenance training and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent lithium cell simulation electricity core of area electric shock protection, with the output voltage characteristic simulation that realizes lithium ion battery in the chassis through the equipment of polylith integrated circuit board usually to the present current battery simulation technique who proposes in solving above-mentioned background art, occasion such as to teaching aid and training has not audio-visual characteristics, present battery simulator has insulating earth leakage protection function although some in addition, but usually can only detect and protect this kind of trouble of insulation resistance decline of battery system single-end to casing, and touch battery system both ends simultaneously to the operator and the electric shock protection function that causes is the problem of disappearance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligent lithium cell simulation electric core of area electric shock protection, includes simulation electric core body, simulation electric core body includes utmost point post spare, integrated circuit board, simulation electric core shell and state display screen, the inside fixed mounting of simulation electric core shell has the integrated circuit board, one side fixed mounting of simulation electric core shell has the utmost point post spare, fixed mounting has the state display screen that is located utmost point post spare one side on the simulation electric core shell, the inside fixed mounting of integrated circuit board has the isolation power module, keeps apart communication module, central control module, power amplification module, digital analog conversion module and analog-to-digital conversion module, and this simulation electric core body is through cutting off all simulation integrated circuit board outputs to reach the slight electric shock sensation of simulation and do not produce the effect of harm.

Preferably, the pole piece comprises a positive pole column and a negative pole column, one side of the positive pole column and one side of the negative pole column are connected with one side of the power amplification module through wires, and the boards are clamped inside the simulation electric core shell and connected with the positive pole column and the negative pole column.

Preferably, the isolation power supply module is externally connected with a DCDC through a wire, the isolation power supply module is installed, the isolation power supply module supplies power through the DCDC to ensure that each battery has an independent reference ground, and a plurality of sections of the simulation battery cell bodies can be connected in series.

Preferably, one side of the isolation power supply module and one side of the isolation communication module are connected with one side of the central control module through leads, one side of the digital-to-analog conversion module and one side of the analog-to-digital conversion module are connected with one side of the central control module adjacent to the central control module through leads, the central control module is started after being electrified, receives an instruction of the upper computer and outputs a digital incoming signal to the digital-to-analog conversion module.

Preferably, the other side of the digital-to-analog conversion module and the other side of the analog-to-digital conversion module are both connected with one side of the power amplification module adjacent to each other through a lead, the analog-to-digital conversion module is started after being electrified, and the analog-to-digital conversion module simulates real-time and high-speed acquisition of currently output actual voltage and current and sends a conversion result to the central control module.

Preferably, the isolation power supply module, the isolation communication module, the digital-to-analog conversion module and the analog-to-digital conversion module are electrically connected with the central control module, the isolation communication module is started after being electrified, and the isolation communication module ensures that the battery cores of different reference places can communicate with the upper computer.

Preferably, the digital-to-analog conversion module and the analog-to-digital conversion module are both electrically connected with the power amplification module, the digital-to-analog conversion module is started after being electrified, the digital-to-analog conversion module converts a digital signal into an analog signal, and then the current voltage is output to the positive pole column and the negative pole column through the power amplification module.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the integrated circuit board, be equipped with the isolation power module in the integrated circuit board, keep apart communication module, central control module, power amplification module, digital analog conversion module and analog-to-digital conversion module, the integrated circuit board can be according to output voltage and the mode of operation of host computer interface settlement electric core, can guarantee that the trainee has in time cut off the output in the time of regulation after slight electric shock sensation when the maloperation is electrocuted, can output enough big balanced current simultaneously and ensure the characteristic of simulating real electric core under balanced output mode, this kind of simulation electric core body outward appearance is the same with real electric core, consequently, can assemble into the battery package of being trained, a training for the scene.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is an internal schematic view of the plate of the present invention.

In the figure: 1. simulating a cell body; 2. a pole post member; 21. a positive post; 22. a negative pole post; 3. a status display screen; 4. a board card; 5. simulating an electrical core shell; 6. an isolated power supply module; 7. isolating the communication module; 8. a central control module; 9. a power amplification module; 10. a digital-to-analog conversion module; 11. and an analog-to-digital conversion module.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1-2, the utility model provides an intelligent lithium battery simulation electric core with electric shock protection, including simulation electric core body 1, simulation electric core body 1 includes post 2, integrated circuit board 4, simulation electric core shell 5 and state display screen 3, the inside fixed mounting of simulation electric core shell 5 has integrated circuit board 4, one side fixed mounting of simulation electric core shell 5 has post 2, fixed mounting has the state display screen 3 that is located post 2 one side on the simulation electric core shell 5, the inside fixed mounting of integrated circuit board 4 has isolation power module 6, keep apart communication module 7, central control module 8, power amplification module 9, digital analog conversion module 10 and analog-to-digital conversion module 11, this simulation electric core body 1 is through cutting off all simulation integrated circuit boards 4 outputs, in order to reach the slight electric shock sensation of simulation and not produce the effect of harm.

The pole piece 2 comprises a positive pole piece 21 and a negative pole piece 22, one side of the positive pole piece 21 and one side of the negative pole piece 22 are connected with one side of the power amplification module 9 through conducting wires, and the board card 4 is connected with the positive pole piece and the negative pole piece inside the analog electric core shell 5.

The isolation power supply module 6 is externally connected with a DCDC through a wire, the isolation power supply module 6 is installed, the isolation power supply module 6 supplies power through the DCDC to ensure that each battery has an independent reference ground, and a plurality of sections of the simulation battery cell bodies 1 can be connected in series.

One side of isolating the power supply module 6 and one side of isolating the communication module 7 are connected with one side of the central control module 8 through a lead, one side of the digital-to-analog conversion module 10 and one side of the analog-to-digital conversion module 11 are connected with one side of the central control module 8 adjacent through a lead, the central control module 8 is started after being electrified, the central control module 8 receives an instruction of an upper computer, and the central control module 8 outputs a digital incoming signal to the digital-to-analog conversion module 10.

The other side of the digital-to-analog conversion module 10 and the other side of the analog-to-digital conversion module 11 are both connected with one side of the power amplification module 9 adjacent to each other through a lead, the analog-to-digital conversion module 11 is started after being electrified, and the analog-to-digital conversion module 11 simulates real-time high-speed acquisition of currently output actual voltage and current and sends a conversion result to the central control module 8.

Keep apart power module 6, keep apart communication module 7, digital-to-analog conversion module 10 and analog-to-digital conversion module 11 and central control module 8 electric connection, keep apart communication module 7 and start after the circular telegram, keep apart communication module 7 and ensure that the electric core of different reference ground can both communicate with the host computer.

The digital-to-analog conversion module 10 and the analog-to-digital conversion module 11 are both electrically connected to the power amplification module 9, the digital-to-analog conversion module 10 is started after being powered on, the digital-to-analog conversion module 10 converts a digital signal into an analog signal, and then the current voltage is output to the positive pole 21 and the negative pole 22 through the power amplification module 9.

When the embodiment of the application is used: the isolation power supply module 6 supplies power through DCDC to ensure that each battery has an independent reference ground, a plurality of analog battery core bodies 1 can be connected in series, the isolation communication module 7 is started after being electrified, the isolation communication module 7 ensures that the battery cores of different reference grounds can communicate with an upper computer, the central control module 8 is started after being electrified, the central control module 8 receives an instruction of the upper computer, the central control module 8 outputs a digital incoming signal to the digital-to-analog conversion module 10, the digital-to-analog conversion module 10 is started after being electrified, the digital-to-analog conversion module 10 converts the digital signal into an analog signal, then the current voltage is output to the positive pole 21 and the negative pole 22 through the power amplification module 9, the analog-to-digital conversion module 11 is started after being electrified, the analog-to-digital conversion module 11 simulates real-time high-speed acquisition of the current output actual voltage and current and sends a conversion result to the central control module 8, and after the electric shock protection mode of the analog battery core body 1 with high precision is started, the central control module 8 recovers the output voltage V of the current channel in real time ₀ And current I ₀ When the current output voltage and current are detected to be larger than a specific value and last for a specific time T ₀ Considering that the electric shock condition is met, the output is set to be 0V through the digital-to-analog conversion module 10 in time, meanwhile, through the state display screen 3, high voltage harmful to a human body can be formed when a battery system formed by connecting a plurality of sections of the same simulation electric core bodies 1 in series is displayed in the current state, and when the human body is subjected to electric shock carelessly or an electric shock scene is simulated, the board card 4 can output small voltage in a specified short timeIn I ₀ Current of duration T ₀ Then all the board cards 4 are cut off to achieve the effect of simulating slight electric shock feeling without generating harm, and particularly, the current I is taken ₀ For 5mA, duration is 50ms, and the state display screen 3 starts after the circular telegram, and the state display screen 3 can show current simulation electric core body 1's operating condition and fault condition.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an intelligent lithium cell simulation electricity core of area electric shock protection, includes simulation electricity core body (1), its characterized in that: simulation electricity core body (1) is including utmost point post spare (2), integrated circuit board (4), simulation electricity core shell (5) and status display screen (3), the inside fixed mounting of simulation electricity core shell (5) has integrated circuit board (4), one side fixed mounting of simulation electricity core shell (5) has utmost point post spare (2), fixed mounting has status display screen (3) that are located utmost point post spare (2) one side on simulation electricity core shell (5), the inside fixed mounting of integrated circuit board (4) has isolation power module (6), keeps apart communication module (7), central control module (8), power amplification module (9), digital analog conversion module (10) and analog-to-digital conversion module (11).

2. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: the pole piece (2) comprises a positive pole piece (21) and a negative pole piece (22), and one side of the positive pole piece (21) and one side of the negative pole piece (22) are connected with one side of the power amplification module (9) through wires.

3. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: the isolation power supply module (6) is externally connected with a DCDC through a lead.

4. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: one side of the isolation power supply module (6) and one side of the isolation communication module (7) are connected with one side of the central control module (8) through leads, and one side of the digital-to-analog conversion module (10) and one side of the analog-to-digital conversion module (11) are connected with one side of the central control module (8) adjacent to each other through leads.

5. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: the other side of the digital-to-analog conversion module (10) and the other side of the analog-to-digital conversion module (11) are both connected with one side of the power amplification module (9) adjacent through a lead.

6. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: the isolation power supply module (6), the isolation communication module (7), the digital-to-analog conversion module (10) and the analog-to-digital conversion module (11) are electrically connected with the central control module (8).

7. The intelligent lithium battery simulation cell with electric shock protection of claim 1, which is characterized in that: the digital-to-analog conversion module (10) and the analog-to-digital conversion module (11) are both electrically connected with the power amplification module (9).