CN212845640U

CN212845640U - BDU testing arrangement

Info

Publication number: CN212845640U
Application number: CN202021137782.0U
Authority: CN
Inventors: 冯士欣; 刘扬
Original assignee: Beijing Maishi High Tech Electronic Technology Co ltd
Current assignee: Beijing Maishi High Tech Electronic Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-30
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a BDU testing device, which comprises a BDU testing tool for testing BDU products and an upper computer for processing testing information, wherein the BDU testing tool is connected with the upper computer through a transmission line; the BDU test tool comprises a BDU-A test tool for testing a BDU-A product and a BDU-B test tool for testing a BDU-B product, and the BDU-A test tool and the BDU-B test tool are both connected to the upper computer; the upper computer is provided with a code scanning gun for scanning product number information codes attached to BDU products; and the upper computer is also provided with a memory for storing detection information. The utility model discloses detect BDU-A and BDU-B respectively through the frock that corresponds, the uniformity is high, and check-out time is short, has improved the efficiency that detects, but the data automatic storage that detects simultaneously makes things convenient for the later stage to trace back the data of product.

Description

BDU testing arrangement

Technical Field

The utility model relates to a battery pack tests technical field, especially a BDU testing arrangement.

Background

With the development of new energy automobiles, the design of the power battery pack inside the new energy automobile is more and more modularized and generalized. The battery cut-off unit, hereinafter abbreviated as BDU, is a modular design that results from the integration of high voltage components such as contactors within the battery pack. The battery cut-off unit is divided into two products, namely a positive battery cut-off unit (BDU-A) and a negative battery unit (BDU-B).

Due to the fact that the BDU is large in goods output, functional verification is needed to be conducted on components such as an internal contactor, a pre-charging resistor and a current sensor when the BDU leaves a factory to ensure the quality and stability of products. Traditional BDU test is manual test, with the power of corresponding interior equipment of external control pencil switch-on, functions such as its break-make of experiment multimeter test, voltage. Therefore, each set of BDU needs at least 10 minutes, obviously, the manual test cannot keep up with the high-speed production beat, test data needs to be recorded in the test process, and the phenomena of missing and wrong recording inevitably occur to influence the detection precision.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a BDU testing arrangement, shortens test time, improves the uniformity of product, improves detection efficiency.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The BDU testing device comprises a BDU testing tool for testing the BDU product and an upper computer for processing testing information, wherein the BDU testing tool is connected with the upper computer through a transmission line; the BDU test tool comprises a BDU-A test tool for testing a BDU-A product and a BDU-B test tool for testing a BDU-B product, and the BDU-A test tool and the BDU-B test tool are both connected to the upper computer; the upper computer is provided with a code scanning gun for scanning product number information codes attached to BDU products; and the upper computer is also provided with a memory for storing detection information.

According to the BDU testing device, the BDU-A testing tool comprises a BDU-A mould arranged on the testing host and used for placing the BDU-A and a connecting plate arranged above the BDU-A through a left vertical guide post and a right vertical guide post, a high-voltage probe and a low-voltage probe corresponding to a detection point on the BDU-A are arranged on the connecting plate, and the high-voltage probe and the low-voltage probe are both connected to the testing host; an air cylinder for driving the connecting plate to move up and down is arranged above the connecting plate through a support; the test system is characterized in that a start button for starting the test and an emergency stop button for emergency stop of the test are arranged on the test host, and the output ends of the start button and the emergency stop button are respectively connected with the input end of the test host.

According to the BDU testing device, the BDU-B testing tool comprises a BDU-B mould arranged on the testing host and used for placing the BDU-B and a connecting plate arranged above the BDU-B through a left vertical guide post and a right vertical guide post, a high-voltage probe and a low-voltage probe corresponding to a detection point on the BDU-B are arranged on the connecting plate, and the high-voltage probe and the low-voltage probe are both connected to the testing host; an air cylinder for driving the connecting plate to move up and down is arranged above the connecting plate through a support; the test system is characterized in that a start button for starting the test and an emergency stop button for emergency stop of the test are arranged on the test host, and the output ends of the start button and the emergency stop button are respectively connected with the input end of the test host.

In the BDU testing device, the start button is two buttons connected in series.

Above-mentioned BDU testing arrangement, be provided with the pilot lamp that is used for showing operating condition on the test host computer.

In the BDU testing device, the indicator light is a green indicator light for indicating a normal working state and a red indicator light for indicating an abnormal working state.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses detect BDU-A and BDU-B respectively through the frock that corresponds, the uniformity is high, and check-out time is short, has improved the efficiency that detects, but the data automatic storage that detects simultaneously makes things convenient for the later stage to trace back the data of product.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a schematic structural diagram of a BDU-a test fimutexture according to the present invention;

fig. 3 is a schematic structural diagram of a BDU-B test fixture according to the present invention;

FIG. 4 is a schematic diagram of the test of the present invention;

wherein: 1. the test system comprises a test host, a support 2, a cylinder 3, a connecting plate 4, a guide post 5, a high-voltage probe 6, a low-voltage probe 7, a BDU-A8, a start button 9, an emergency stop button 10, an indicator lamp 11 and a BDU-B12.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The BDU testing device is shown in the structural block diagram of fig. 1 and comprises a BDU testing tool and an upper computer. The BDU test fixture is used for testing BDU products, and the upper computer is used for processing test information. The BDU test fixture is connected with the upper computer through a transmission line.

The schematic structural diagram of the BDU testing tool is shown in FIG. 2 and comprises a BDU-A testing tool and a BDU-B testing tool. The BDU-A testing tool is used for testing BDU-A products, and the BDU-B testing tool is used for testing the BDU-B products.

The BDU-A test tool comprises a test host 1, a BDU-A mould, a test mechanism and a cylinder 3. The BDU-A mould is arranged on the testing host machine 1 and used for placing the BDU-A8, the testing mechanism is arranged above the BDU-A and used for carrying out connection testing on the BDU-A, and the air cylinder 3 is arranged above the BDU-A through the support 2 and used for driving the testing mechanism to move up and down.

The testing mechanism comprises a connecting plate 4, a high-voltage probe 6 and a low-voltage probe 7. The high-voltage probe 6 and the low-voltage probe 7 are arranged on the connecting plate 4 and respectively correspond to detection points on the BDU-A for detection, and the high-voltage probe 6 and the low-voltage probe 7 are connected to the test host 1. The top end face of the connecting plate 4 is connected to the end portion of the telescopic rod of the air cylinder 3, the air cylinder 3 drives the connecting plate 4 to move up and down, the high-voltage probe 6 and the low-voltage probe 7 are connected with detection points on the BDU-A, communication with the BDU-A is achieved, the testing host machine automatically controls internal components of the BDU-A to work through the probes, working states of the internal components are collected, and closed-loop testing is achieved.

Two guide posts 5 are vertically arranged on the test host 1, the connecting plate 4 is sleeved on the guide posts 5 to guide the up-and-down movement of the connecting plate 4, so that when the connecting plate moves down, the high-voltage probe and the low-voltage probe just contact with a detection point of the BDU-A, and the connection firmness during detection is improved.

The BDU-B testing tool is structurally schematic as shown in FIG. 3, and comprises a testing host 1, a BDU-B mould, a testing mechanism and a cylinder 3. The BDU-B mould is arranged on the testing host machine 1 and used for placing the BDU-B12, the testing mechanism is arranged above the BDU-B and used for carrying out connection testing on the BDU-B, and the air cylinder 3 is arranged above the BDU-B through the support 2 and used for driving the testing mechanism to move up and down.

The testing mechanism comprises a connecting plate 4, a high-voltage probe 6 and a low-voltage probe 7. The high-voltage probe 6 and the low-voltage probe 7 are arranged on the connecting plate 4 and respectively correspond to detection points on the BDU-B for detection, and the high-voltage probe 6 and the low-voltage probe 7 are connected to the test host 1. The top end face of the connecting plate 4 is connected to the end portion of the telescopic rod of the air cylinder 3, the air cylinder 3 drives the connecting plate 4 to move up and down, the high-voltage probe 6 and the low-voltage probe 7 are connected with detection points on the BDU-B to achieve communication with the BDU-B, the testing host automatically controls internal components of the BDU-B to work through the probes, and collects working states of the internal components to achieve closed-loop testing.

Two guide posts 5 are vertically arranged on the test host 1, the connecting plate 4 is sleeved on the guide posts 5 to guide the up-and-down movement of the connecting plate 4, so that when the connecting plate moves down, the high-voltage probe and the low-voltage probe just contact with a detection point of BDU-B, and the connection firmness during detection is improved.

A start button 9 and an emergency stop button 10 are arranged on the test host 1 of the BDU-A test tool and the BDU-B test tool. The start button 9 is used for starting the test, the emergency stop button 10 is used for stopping the test, and the output ends of the start button and the stop button are respectively connected with the input end of the test host 1.

The utility model discloses well start button 9 sets up to two, and two start button 9 set up to series structure, only press two start button simultaneously and just can start testing, and the probe on the connecting plate just allows to descend, when having guaranteed one-man operation, the risk of pressing the hand can not appear. If an accident occurs, the emergency stop button 10 can be pressed, and the air cylinder can be automatically reset.

The BDU-A test fimutexture and the BDU-B test fimutexture are respectively provided with two indicating lamps 11 on the test host 1 for indicating the working state of the tester, namely a green indicating lamp and a red indicating lamp, wherein the green indicating lamp is used for indicating the normal working state, and the red indicating lamp is used for indicating the abnormal working state.

The utility model discloses a test schematic diagram is shown in FIG. 4, after two start buttons were pressed simultaneously to both hands, the cylinder switch on, the drive connecting plate moved down, started the test after the test probe targets in place, BMS control relay is closed after the beginning test, BMS-DLO output low level, after the test was accomplished, the cylinder resets, BMS-DLO output high level, BMS control relay disconnection, the completion test.

A code scanning gun and a memory are arranged on the upper computer. The code scanning gun is used for scanning product number information codes attached to BDU products, and the memory is used for storing detected information. The BDU product after the test is finished is scanned through a code scanning gun, and the scanned product number and the scanned detection data are stored in a memory so as to trace back the detection result at the later stage.

Claims

A BDU testing arrangement which characterized in that: the BDU testing device comprises a BDU testing tool for testing a BDU product and an upper computer for processing testing information, wherein the BDU testing tool is connected with the upper computer through a transmission line; the BDU test tool comprises a BDU-A test tool for testing a BDU-A product and a BDU-B test tool for testing a BDU-B product, and the BDU-A test tool and the BDU-B test tool are both connected to the upper computer; the upper computer is provided with a code scanning gun for scanning product number information codes attached to BDU products; and the upper computer is also provided with a memory for storing detection information.
2. A BDU testing device according to claim 1, wherein: the BDU-A testing tool comprises a BDU-A mould arranged on a testing host (1) and used for placing a BDU-A (8) and a connecting plate (4) arranged above the BDU-A (8) through a left vertical guide post and a right vertical guide post (5), wherein a high-voltage probe (6) and a low-voltage probe (7) corresponding to a detection point on the BDU-A (8) are arranged on the connecting plate (4), and the high-voltage probe (6) and the low-voltage probe (7) are both connected to the testing host (1); an air cylinder (3) for driving the connecting plate (4) to move up and down is arranged above the connecting plate (4) through a support (2); the test system is characterized in that a start button (9) for starting the test and an emergency stop button (10) for emergently stopping the test are arranged on the test host (1), and the output ends of the start button and the emergency stop button are respectively connected with the input end of the test host.
3. A BDU testing device according to claim 1, wherein: the BDU-B testing tool comprises a BDU-B mould arranged on a testing host (1) and used for placing a BDU-B (12) and a connecting plate (4) arranged above the BDU-B (12) through a left vertical guide column and a right vertical guide column (5), wherein a high-voltage probe (6) and a low-voltage probe (7) corresponding to a detection point on the BDU-B (12) are arranged on the connecting plate (4), and the high-voltage probe (6) and the low-voltage probe (7) are both connected to the testing host (1); an air cylinder (3) for driving the connecting plate (4) to move up and down is arranged above the connecting plate (4) through a support (2); the test system is characterized in that a start button (9) for starting the test and an emergency stop button (10) for emergently stopping the test are arranged on the test host (1), and the output ends of the start button and the emergency stop button are respectively connected with the input end of the test host.
4. A BDU testing device according to claim 2 or 3, wherein: the start button (9) is two buttons connected in series.
5. A BDU testing device according to any one of claims 2 or 3, wherein: and an indicator light (11) for displaying the working state is arranged on the test host (1).
6. A BDU testing device according to claim 5, wherein: the indicating lamp (11) is a green indicating lamp for indicating a normal working state and a red indicating lamp for indicating an abnormal working state.