New energy automobile power battery multifunctional detection gun

Abstract

The utility model discloses a new energy automobile power battery multifunctional detection gun. The utility model discloses a shell, screen, protocol board, protocol analysis module, 4G data module, power supply unit, power switch and gun head, when detecting new energy automobile power battery, the gun head is inserted to the direct current charging port of new energy automobile, and the protocol board obtains new energy automobile power battery protocol information, and the protocol analysis module carries out analysis and obtains new energy automobile power battery data parameter, and sends to screen display, the utility model discloses the mode of new energy automobile direct current charging port detection, and the adaptation vehicle type is extensive, and is not restricted by vehicle detection interface, and the application scene covers comprehensively, and is not restricted by region and environment, and through the modular design and intelligent detection technology innovation, the industry pain point of power battery detection equipment poor portability, compatibility deficiency etc. is solved, the utility model discloses simple operation, and the volume is small and light, and the convenient vehicle carries.

Description

Technical Field

[0001] This utility model relates to the testing technology of power batteries for new energy vehicles, specifically to a multi-functional testing gun for power batteries of new energy vehicles. Background Technology

[0002] In recent years, the new energy vehicle industry has developed rapidly, with the number of new energy vehicles increasing year by year, and more and more people choosing new energy vehicles as their means of transportation.

[0003] With the popularization of new energy vehicles, the demand for performance testing and maintenance of power batteries, as core components of new energy vehicles, has increased significantly. Current testing technologies have the following limitations:

[0004] 1. The testing tools are decentralized. Traditional testing requires the use of multiple devices such as voltmeters, ammeters, internal resistance meters, and temperature probes, which is cumbersome and inefficient.

[0005] 2. Safety risks: Due to the high voltage level of the power batteries in new energy vehicles, electric shock accidents are easily caused when people handle the power batteries of new energy vehicles for testing. The insulation level of existing tools is insufficient.

[0006] 3. Data isolation: Parameters such as voltage, current, and temperature are collected by independent devices, lacking real-time comprehensive analysis capabilities;

[0007] 4. Poor compatibility: The interface protocols of power batteries for new energy vehicles from different brands are not uniform, resulting in limited compatibility of testing equipment. Summary of the Invention

[0008] To address the problems mentioned in the prior art, this utility model proposes a multi-functional testing gun for power batteries of new energy vehicles, which can be adapted to new energy vehicles equipped with DC charging ports on the market.

[0009] This utility model discloses a multi-functional testing gun for power batteries in new energy vehicles, comprising: a housing, a screen, a protocol board, a protocol parsing module, a 4G data module, a power supply unit, a power switch, and a testing head. The housing has an internal cavity, within which the protocol board, protocol parsing module, and 4G data module are housed. The screen, power supply unit, power switch, and testing head are located on the surface of the housing. The protocol board and testing head are connected via signal and power lines. The protocol board is also connected to the protocol parsing module via signal lines. The screen is connected to both the protocol parsing module and the 4G data module via signal lines. The power supply unit is connected to the power switch, screen, and 4G data module via power lines. The testing head is connected to the power supply unit via a power line and the power switch.

[0010] The screen uses a capacitive touchscreen.

[0011] The power supply unit uses a battery or an external power source; the battery is a removable rechargeable lithium battery, which is located inside, on the surface or at the bottom of the casing.

[0012] It also includes an antenna; the antenna is mounted on the surface of the housing, and the 4G data module is connected to the antenna via a signal line.

[0013] The charging head includes at least seven ports: a low-voltage auxiliary power positive terminal, a low-voltage auxiliary power negative terminal, a first charging connection confirmation terminal, a second charging connection confirmation terminal, a charging communication high terminal, a charging communication low terminal, and a ground terminal. The low-voltage auxiliary power positive and low-voltage auxiliary power negative terminals of the charging head are connected to the low-voltage auxiliary power positive and low-voltage auxiliary power negative terminals of the protocol board via power lines, respectively. The first and second charging connection confirmation terminals of the protocol board are connected to the first and second charging connection confirmation terminals of the charging head via signal lines, respectively. The charging communication high and low terminals of the charging head are connected to the charging communication high and low terminals of the protocol board via signal lines, respectively. The ground terminal of the charging head is connected to the ground terminal of the protocol board.

[0014] The high and low charging communication signals of the protocol board are connected to the high and low communication lines of the protocol parsing module via signal lines, respectively. The negative terminal of the power supply unit is connected to the negative terminal of the low-voltage auxiliary power supply of the charging gun via a power line, and the positive terminal of the power supply unit is connected to the positive terminal of the low-voltage auxiliary power supply of the charging gun via a power line and a power switch. The positive terminals of the 4G data module and the screen are connected in parallel to the positive terminal of the low-voltage auxiliary power supply of the charging gun via a power line and to the positive terminal of the power supply unit via a power switch. Under normal circumstances, the power supply unit provides power. If the power supply unit's power is insufficient, it is powered by the positive and negative terminals of the low-voltage auxiliary power supply. In addition, the positive and negative terminals of the low-voltage auxiliary power supply can also charge the power supply unit. The negative terminals of the 4G data module and the screen are connected in parallel to the negative terminals of the power supply unit and the low-voltage auxiliary power supply via power lines, respectively.

[0015] Advantages of this utility model:

[0016] This utility model adopts a DC charging port detection method for new energy vehicles, which is compatible with a wide range of models, is not limited by vehicle detection interfaces, covers a wide range of applicable scenarios, and is not limited by region or environment. At the same time, through modular design and intelligent detection technology innovation, it solves the industry pain points such as poor portability and insufficient compatibility of power battery testing equipment. It is simple to operate, small in size and light in weight, and convenient to carry with the vehicle. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the appearance of one embodiment of the multi-functional testing gun for power batteries of new energy vehicles according to this utility model;

[0018] Figure 2This is an internal connection block diagram of one embodiment of the multi-functional testing gun for power batteries of new energy vehicles according to this utility model.

[0019] Figure 3 This is a connection diagram during testing of one embodiment of the multi-functional testing gun for new energy vehicle power batteries according to this utility model. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1 and 2 As shown, the multi-functional testing gun for new energy vehicle power batteries in this embodiment includes: a housing, a screen, a protocol board, a protocol parsing module, a 4G data module, a power supply unit, a power switch, an antenna, and a gun head. The housing has an internal cavity, and the protocol board, protocol parsing module, and 4G data module are housed inside the housing. The antenna, screen, and power switch are located on the surface of the housing. The gun head is located at the top of the housing, and the power supply unit (battery) is located at the bottom of the housing. The protocol board is connected to the gun head via signal lines and power lines. The protocol board is connected to the protocol parsing module via signal lines. The screen is connected to the protocol parsing module and the 4G data module via signal lines. The power supply unit is connected to the power switch, screen, and 4G data module via power lines. The gun head is connected to the power switch via a power line. The 4G data module and antenna are connected via signal lines.

[0022] In this embodiment, the screen is a 2.8-inch capacitive touchscreen; the battery is a removable rechargeable 12V lithium battery.

[0023] In this embodiment, as Figure 2As shown, the charging head adopts a national standard nine-hole DC charging head, including a high-voltage DC power supply positive terminal DC+, a high-voltage DC power supply negative terminal DC-, a low-voltage auxiliary power supply positive terminal A+, a low-voltage auxiliary power supply negative terminal A-, a first charging connection confirmation terminal CC1, a second charging connection confirmation terminal CC2, a charging communication high terminal S+, a charging communication low terminal S-, and a ground terminal PE. The high-voltage DC power supply positive terminal DC+ and the high-voltage DC power supply negative terminal DC- are not connected. The low-voltage auxiliary power supply positive terminal A+ and the low-voltage auxiliary power supply negative terminal A- of the charging head are connected to the low-voltage auxiliary power supply positive terminal A+ and the low-voltage auxiliary power supply negative terminal A- of the protocol board via power lines. The first charging connection confirmation terminal CC1 and the second charging connection confirmation terminal CC2 of the protocol board are connected to the first charging connection confirmation terminal CC1 and the second charging connection confirmation terminal CC2 of the charging head via signal lines. The charging communication high terminal S+ and the charging communication low terminal S- of the charging head are connected to the charging communication high terminal S+ and the charging communication low terminal S- of the protocol board via signal lines. The ground terminal PE of the charging head is connected to the ground terminal PE of the protocol board. In this embodiment, the charging communication high S+ and charging communication low S- of the protocol board are connected to the high-level communication line H and low-level communication line L of the protocol parsing module via signal lines, respectively. The negative terminal of the power supply unit is connected to the negative terminal A- of the low-voltage auxiliary power supply of the charging gun via a power line, and the positive terminal of the power supply unit is connected to the positive terminal A+ of the low-voltage auxiliary power supply of the charging gun via a power line and a power switch. The positive terminals of the 4G data module and the screen are connected in parallel to the positive terminal A+ of the low-voltage auxiliary power supply of the charging gun and the positive terminal of the power supply unit via a power line and a power switch. Under normal circumstances, the power supply unit provides power. If the power supply unit's power is insufficient, it is powered by the positive terminal A+ and the negative terminal A- of the low-voltage auxiliary power supply. The negative terminals of the 4G data module and the screen are connected to the negative terminal of the power supply unit and the negative terminal A- of the low-voltage auxiliary power supply via power lines, respectively.

[0024] When testing the power battery of a new energy vehicle, the tip of the multi-functional testing gun is inserted into the DC charging port of the new energy vehicle, such as... Figure 3 As shown; when the power switch is turned on, the power supply unit provides operating power to the screen and the 4G data module respectively, and charges the power supply unit at the same time; the protocol board obtains the new energy vehicle power battery protocol information and transmits it to the protocol parsing module; the protocol parsing module parses the data to obtain the new energy vehicle power battery data parameters, such as the current remaining power battery capacity, rated capacity, rated energy, current total power battery voltage, highest voltage of a single cell, lowest voltage of a single cell, single cell temperature, vehicle identification number (VIN), vehicle voltage and current requirements, and then sends the parsed data to the screen; the screen displays the parsed data in real time and sends the parsed data to the 4G data module in real time, and the 4G data module sends it to the cloud platform through the antenna; users can remotely view or download the parsed data to obtain the new energy vehicle power battery data.

[0025] Finally, it should be noted that the purpose of disclosing the embodiments is to help further understand this utility model. However, those skilled in the art will understand that various substitutions and modifications are possible without departing from the spirit and scope of this utility model and the appended claims. Therefore, this utility model should not be limited to the content disclosed in the embodiments, and the scope of protection of this utility model is defined by the scope of the claims.

Claims

1. A multi-functional testing gun for power batteries of new energy vehicles, characterized in that, The multi-functional testing gun for new energy vehicle power batteries includes: a housing, a screen, a protocol board, a protocol parsing module, a 4G data module, a power supply unit, a power switch, and a gun head. The housing has an internal cavity, inside which the protocol board, protocol parsing module, and 4G data module are housed. The screen, power supply unit, power switch, and gun head are located on the surface of the housing. The protocol board and gun head are connected via signal and power lines. The protocol board is also connected to the protocol parsing module via signal lines. The screen is connected to both the protocol parsing module and the 4G data module via signal lines. The power supply unit is connected to the power switch, screen, and 4G data module via power lines. The gun head is connected to the power supply unit via a power line and the power switch.

2. The multi-functional testing gun for new energy vehicle power batteries as described in claim 1, characterized in that, The screen is a capacitive touchscreen.

3. The multi-functional testing gun for new energy vehicle power batteries as described in claim 1, characterized in that, The power supply unit uses a battery or an external power source.

4. The multi-functional testing gun for new energy vehicle power batteries as described in claim 3, characterized in that, The battery is a removable rechargeable lithium battery.

5. The multi-functional testing gun for new energy vehicle power batteries as described in claim 1, characterized in that, It also includes an antenna; the antenna is disposed on the surface of the housing; the 4G data module is connected to the antenna via a signal line.

6. The multi-functional testing gun for new energy vehicle power batteries as described in claim 1, characterized in that, The charging head includes at least seven ports: a low-voltage auxiliary power supply positive terminal, a low-voltage auxiliary power supply negative terminal, a first charging connection confirmation terminal, a second charging connection confirmation terminal, a charging communication high terminal, a charging communication low terminal, and a ground terminal. The low-voltage auxiliary power supply positive and negative terminals of the charging head are connected to the low-voltage auxiliary power supply positive and negative terminals of the protocol board via power lines, respectively. The first and second charging connection confirmation terminals of the protocol board are connected to the first and second charging connection confirmation terminals of the charging head via signal lines, respectively. The charging communication high and low terminals of the charging head are connected to the charging communication high and low terminals of the protocol board via signal lines, respectively. The ground terminal of the charging head is connected to the ground terminal of the protocol board.

7. The multi-functional testing gun for new energy vehicle power batteries as described in claim 6, characterized in that, The high and low charging communication signals of the protocol board are connected to the high-order and low-order communication signals of the protocol parsing module via signal lines, respectively.

8. The multi-functional testing gun for new energy vehicle power batteries as described in claim 6, characterized in that, The negative terminal of the power supply unit is connected to the negative terminal of the low-voltage auxiliary power supply of the gun head via a power cord, and the positive terminal of the power supply unit is connected to the positive terminal of the low-voltage auxiliary power supply of the gun head via a power cord and a power switch. The positive terminals of the 4G data module and the screen are connected to the positive terminal of the low-voltage auxiliary power supply of the gun head via power cords and to the positive terminal of the power supply unit via a power switch. The negative terminals of the 4G data module and the screen are connected to the negative terminal of the power supply unit and the negative terminal of the low-voltage auxiliary power supply via power cords, respectively.

Images