Fault diagnosis device for new energy automobile detection

Abstract

The invention relates to the technical field of new energy automobile detection, in particular to a fault diagnosis device for new energy automobile detection, which is characterized in that a buffer rod is arranged in a supporting plate, a detection plate is arranged on the end surface of the buffer rod, a heat detection module is arranged at the bottom of the detection plate, a pressure detection module is arranged in the detection plate, and a traction wheel is arranged in a moving rod; the device has the beneficial effects that firstly, a movable frame can be pushed to drive a supporting plate to move, and then a detection plate can move along the surface of a battery pack, so that the surface of the battery pack can be detected through a heat detection module arranged at the bottom of the detection plate; whether discharge heating of the lithium battery pack is abnormal or not can be analyzed according to heat emitted by different batteries, then the traction wheel rolls on the surface of the battery pack, whether the surface of the lithium battery pack has a bulge problem or not can be analyzed according to the rolling amplitude of the traction wheel, and therefore damaged batteries in the battery pack can be conveniently detected and replaced.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle detection, and specifically to a fault diagnosis device for new energy vehicle detection. Background Technique

[0002] At present, with the development of new energy vehicles, more and more people begin to use new energy vehicles. New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources (or use conventional vehicle fuels and adopt new in-vehicle power devices), integrating advanced technologies in vehicle power control and drive, and forming vehicles with advanced technical principles, new technologies, and new structures.

[0003] In the prior art, new energy vehicles generally use lithium batteries. Because lithium batteries have a relatively long cruising range, a relatively large number of charge-discharge cycles, and a long service life, they are batteries with lithium metal or lithium alloy as the positive / negative electrode material and using non-aqueous electrolyte solutions. The batteries of new energy vehicles are mostly used in battery packs. When a fault occurs in the battery of a new energy vehicle, the battery pack needs to be disassembled and detected one by one. Frequent disassembly will cause wear of the screws between the battery pack and the vehicle chassis, reduce the fitting degree between the battery pack and the vehicle chassis after installation, and easily cause the battery pack to become unstable and fall off and be overly worn during subsequent use.

[0004] Therefore, the present invention proposes a fault diagnosis device for new energy vehicle detection to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a fault diagnosis device for new energy vehicle detection to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A fault diagnosis device for new energy vehicle detection, the fault diagnosis device for new energy vehicle detection includes: a fixed seat, a traction rod is arranged inside the fixed seat, and a moving frame is sleeved on the surface of the traction rod; A support plate, through holes are provided on the surface of the support plate, a buffer rod is arranged inside the through holes, a detection plate is arranged at the end surface of the buffer rod, a heat detection module is arranged at the bottom of the detection plate, a placement groove is provided at the bottom of the detection plate, and a pressure detection module is arranged on the surface of the placement groove; A moving rod, a traction wheel is arranged inside the moving rod, a positioning ring is screwed on the surface of the moving rod, and a bottom plate is arranged on the surface of the positioning ring; A protective frame, a control panel, an alarm module, and a fault monitoring module are arranged on the surface of the protective frame. The fault monitoring module is used to judge whether the discharge voltage and discharge current of the battery pack exceed the preset voltage range and preset current range.

[0007] Preferably, threaded holes are formed in the side surface of the fixed seat, the traction rod is screwed in the threaded holes, the moving frame is slidably connected to the traction rod, there are two groups of fixed seats, the two groups of fixed seats are symmetrically distributed about the support plate, and the fixed seats can be fixed by limit bolts.

[0008] Preferably, a base is arranged at the bottom of the support plate, the base is in an "L"-shaped plate structure, a first bearing is arranged on the surface of the base, a lifting screw rod is fixedly connected to the inner ring surface of the first bearing, the side surface of the moving frame is screwed on the lifting screw rod, and the side surface of the moving frame contacts the side surface of the support plate.

[0009] Preferably, a buffer spring is sleeved on the surface of the buffer rod, one end of the buffer spring is fixedly connected to the surface of the detection plate, the other end of the buffer spring is fixedly connected to the bottom of the support plate, there are two groups of buffer rods, and the two groups of buffer rods are linearly arranged at equal intervals on the surface of the support plate.

[0010] Preferably, a fixing plate is arranged in the placement groove, a sealing plate is arranged on the side surface of the placement groove, a first hole is formed in the surface of the fixing plate, the moving rod is inserted into the first hole, a rotating rod is arranged on the inner side surface of the moving rod, and the traction wheel is rotatably connected to the rotating rod.

[0011] Preferably, the positioning ring is fixedly connected to the bottom of the bottom plate, the moving rod is screwed on the inner ring surface of the positioning ring, a second bearing is arranged on the surface of the bottom plate, a fixing rod is arranged on the inner ring surface of the second bearing, there are multiple groups of moving rods, and the multiple groups of moving rods are linearly arranged at equal intervals on the surface of the fixing plate.

[0012] Preferably, one end of the fixing rod is fixedly connected to the inner ring surface of the second bearing, an auxiliary spring is arranged on the surface of the other end of the fixing rod, one end of the auxiliary spring is fixedly connected to the surface of the fixing rod, and the other end of the auxiliary spring is fixedly connected to the surface of the pressure detection module.

[0013] Preferably, a corrugated cover is arranged at the bottom of the support plate, the corrugated cover can be compressed and folded, there are two groups of corrugated covers, the two groups of corrugated covers are symmetrically distributed about the detection plate, a magic hook surface is arranged on the outer side surface of one group of corrugated covers, and a magic loop surface is arranged on the inner side surface of the other group of corrugated covers.

[0014] Preferably, the protection frame is fixedly connected to the surface of the support plate by bolts, the control panel is electrically connected to the alarm module, the fault monitoring module, the pressure detection module and the heat detection module, and the pressure detection module can transmit the data signal of the compression of the auxiliary spring into the control panel.

[0015] Compared with the prior art, the beneficial effects of the present invention are: A fault diagnosis device for new energy vehicle detection proposed by the present invention can first push the moving frame during use, thereby driving the displacement of the support plate. Then, the detection plate can be displaced along the surface of the battery pack, and the surface of the battery pack can be detected by the heat detection module provided at the bottom of the detection plate. Whether the lithium battery pack discharges and generates heat abnormally can be analyzed according to the heat generated by different batteries. Then, by rolling the traction wheel on the surface of the battery pack, whether the surface of the lithium battery pack bulges can be analyzed through the rolling amplitude of the traction wheel, so as to facilitate the detection of damaged batteries in the battery pack and then replace them. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the device of the present invention; Figure 2 Side view of the device of the present invention; Figure 3 is Figure 2 Enlarged structural schematic diagram at position A in Figure 4 is Figure 2 Enlarged structural schematic diagram at position B in Figure 5 Bottom structural schematic diagram of the device of the present invention; Figure 6 is Figure 5 Enlarged structural schematic diagram at position C in Figure 7 Structural schematic diagram of the device of the present invention when tilted; Figure 8 is Figure 7 Enlarged structural schematic diagram at position D in Figure 9 Top view of the device of the present invention; Figure 10 Partial structural schematic diagram of the device of the present invention.

[0017] In the figure: 1, fixed seat; 2, traction rod; 3, moving frame; 4, support plate; 5, buffer rod; 6, detection plate; 7, heat detection module; 8, placement groove; 9, moving rod; 10, traction wheel; 11, positioning ring; 12, bottom plate; 13, pressure detection module; 14, protective frame; 15, control panel; 16, alarm module; 17, fault monitoring module; 18, base; 19, first bearing; 20, lifting screw; 21, buffer spring; 22, fixing plate; 23, sealing plate; 24, rotating rod; 25, second bearing; 26, fixing rod; 27, auxiliary spring; 28, corrugated cover; 29, rough side of the magic tape; 30, flat side of the magic tape. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to clearly and completely describe the objectives, technical solutions of the present invention, and make the advantages more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0019] Embodiment 1 Please refer to Figures 1 to 10 , the present invention provides a technical solution: a fault diagnosis device for new energy vehicle detection, the fault diagnosis device for new energy vehicle detection includes: a fixed seat 1, a traction rod 2 is arranged in the fixed seat 1, and a moving frame 3 is sleeved on the surface of the traction rod 2; A support plate 4, through holes are provided on the surface of the support plate 4, a buffer rod 5 is arranged in the through holes, a detection plate 6 is arranged at the end face of the buffer rod 5, a heat detection module 7 is arranged at the bottom of the detection plate 6, a placement groove 8 is provided at the bottom of the detection plate 6, and a pressure detection module 13 is arranged on the surface of the placement groove 8; A moving rod 9, a traction wheel 10 is arranged in the moving rod 9, a positioning ring 11 is screwed on the surface of the moving rod 9, and a bottom plate 12 is arranged on the surface of the positioning ring 11; A protective frame 14, a control panel 15, an alarm module 16 and a fault monitoring module 17 are arranged on the surface of the protective frame 14, and the fault monitoring module 17 is used to judge whether the discharge voltage and discharge current of the battery pack exceed the preset voltage range and preset current range; First, the moving frame 3 can be pushed to drive the support plate 4 to displace, and then the detection plate 6 can be displaced along the surface of the battery pack, so that the surface of the battery pack can be detected by the heat detection module 7 arranged at the bottom of the detection plate 6. Whether the lithium battery pack discharges abnormally due to heat can be analyzed according to the heat generated by different batteries. Then, by rolling the traction wheel 10 on the surface of the battery pack, whether the surface of the lithium battery pack bulges can be analyzed through the rolling amplitude of the traction wheel 10, so as to facilitate the detection and replacement of the damaged battery in the battery pack.

[0020] Embodiment 2 On the basis of Embodiment 1, a towing bar 2 is provided for facilitating the movement of the device. A threaded hole is formed in the side surface of the fixed seat 1, and the towing bar 2 is screwed into the threaded hole. The moving frame 3 is slidably connected to the towing bar 2. There are two groups of fixed seats 1, and the two groups of fixed seats 1 are symmetrically distributed with respect to the support plate 4. The fixed seat 1 can be fixed by a limit bolt. A base 18 is provided at the bottom of the support plate 4. The base 18 is in an "L"-shaped plate structure. A first bearing 19 is provided on the surface of the base 18. The inner ring surface of the first bearing 19 is fixedly connected to a lifting screw rod 20. The side surface of the moving frame 3 is screwed onto the lifting screw rod 20, and the side surface of the moving frame 3 is in contact with the side surface of the support plate 4; When in use, when it is necessary to move the device to facilitate the fault detection on the surface of the battery pack, the moving frame 3 can be directly pulled to slide on the surface of the towing bar 2, and the device can be displaced. In order to facilitate the contact between the traction wheel 10 and the heat detection module 7 and the battery pack, the lifting screw rod 20 can be directly rotated in cooperation with the first bearing 19, so that the base 18 can be lowered, and it is convenient for the traction wheel 10 and the heat detection module 7 to contact the surface of the battery pack, and it is more convenient to detect the faults of the battery pack.

[0021] In order to facilitate the use of the heat detection module 7, a buffer rod 5 is provided. A buffer spring 21 is sleeved on the surface of the buffer rod 5. One end of the buffer spring 21 is fixedly connected to the surface of the detection plate 6, and the other end of the buffer spring 21 is fixedly connected to the bottom of the support plate 4. There are two groups of buffer rods 5, and the two groups of buffer rods 5 are linearly arranged at equal intervals on the surface of the support plate 4; After the base 18 is lowered by the lifting screw rod 20, the buffer rod 5 and the buffer spring 21 can be used to prevent the detection plate 6 from directly and rigidly contacting the surface of the battery pack. The setting of the buffer spring 21 can play a buffering role and also facilitate the detection plate 6 to always contact the surface of the battery pack, so as to facilitate the heat detection module 7 to detect the heat dissipated from the surface of the battery pack, collect the temperatures measured on different batteries, and then compare the heat signals with the temperature data of the terminal computer, so as to facilitate the observation of the faulty battery.

[0022] Embodiment 3: On the basis of Embodiment 2, a traction wheel 10 is provided for detecting whether the battery surface bulges. A fixing plate 22 is arranged in the placing groove 8, a sealing plate 23 is arranged on the side of the placing groove 8, a first hole is formed on the surface of the fixing plate 22, the moving rod 9 is inserted into the first hole, a rotating rod 24 is arranged on the inner side of the moving rod 9, the traction wheel 10 is rotationally connected to the rotating rod 24, a positioning ring 11 is fixedly connected to the bottom of the bottom plate 12, the moving rod 9 is screwed on the inner ring surface of the positioning ring 11, a second bearing 25 is arranged on the surface of the bottom plate 12, a fixing rod 26 is arranged on the inner ring surface of the second bearing 25, multiple groups of moving rods 9 are arranged, and the multiple groups of moving rods 9 are linearly arranged at equal intervals on the surface of the fixing plate 22. One end of the fixing rod 26 is fixedly connected to the inner ring surface of the second bearing 25, an auxiliary spring 27 is arranged on the surface of the other end of the fixing rod 26, one end of the auxiliary spring 27 is fixedly connected to the surface of the fixing rod 26, and the other end of the auxiliary spring 27 is fixedly connected to the surface of the pressure detection module 13. The protection frame 14 is fixedly connected to the surface of the support plate 4 by bolts. The control panel 15 is electrically connected to the alarm module 16, the fault monitoring module 17, the pressure detection module 13, and the heat detection module 7. The pressure detection module 13 can transmit the data signal of the pressure received by the auxiliary spring 27 into the control panel 15; When in use, when pulling the support plate 4 for displacement, the traction wheel 10 can roll on the surface of the battery pack. By the rotation of the traction wheel 10, the friction force with the surface of the battery pack can be reduced. Then when the traction wheel 10 rolls to the bulging part, the auxiliary spring 27 can be pressed, so that the auxiliary spring 27 can apply pressure to the pressure detection module 13. Then the pressure detection module 13 can transmit the received pressure data to the computer terminal for the staff to view. When it is necessary to remove the moving rod 9, the moving rod 9 can be screwed out of the positioning ring 11 to be separated from the bottom plate 12. The alarm module 16 can give an alarm to remind the staff when detecting a battery fault.

[0023] In order to facilitate the protection of the bottom of the detection plate 6 when not in use, a corrugated cover 28 is provided. The corrugated cover 28 is arranged at the bottom of the support plate 4. The corrugated cover 28 can be compressed and folded. Two groups of corrugated covers 28 are provided, and the two groups of corrugated covers 28 are symmetrically distributed about the detection plate 6. The outer side of one group of corrugated covers 28 is provided with a hook surface of the magic tape 29, and the inner side of the other group of corrugated covers 28 is provided with a loop surface of the magic tape 30; When in use, the two groups of corrugated covers 28 can be stretched, and then the loop surface of the magic tape 30 can be adhered to the hook surface of the magic tape 29, so that the two groups of corrugated covers 28 can be connected, and thus the bottom of the detection plate 6 can be covered by the two groups of corrugated covers 28 to provide protection.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fault diagnosis device for new energy vehicle detection, characterized in that: The fault diagnosis device for new energy vehicle detection comprises: a fixed seat (1), a traction rod (2) is arranged inside the fixed seat (1), and a movable frame (3) is sleeved on the surface of the traction rod (2); A support plate (4), a through hole is formed on the surface of the support plate (4), a buffer rod (5) is arranged in the through hole, a detection plate (6) is arranged on the end surface of the buffer rod (5), a heat detection module (7) is arranged at the bottom of the detection plate (6), a placement groove (8) is formed at the bottom of the detection plate (6), and a pressure detection module (13) is arranged on the surface of the placement groove (8); A moving rod (9), a traction wheel (10) is arranged inside the moving rod (9), a positioning ring (11) is screwed on the surface of the moving rod (9), and a bottom plate (12) is arranged on the surface of the positioning ring (11); A protection frame (14), wherein a control panel (15), an alarm module (16) and a fault monitoring module (17) are arranged on the surface of the protection frame (14), wherein the fault monitoring module (17) is used to determine whether the discharge voltage and discharge current of the battery pack exceed a preset voltage range and a preset current range.

2. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: The fixing seat (1) has a threaded hole on its side, the traction rod (2) is screwed into the threaded hole, the moving frame (3) is slidably connected to the traction rod (2), two groups of fixing seats (1) are provided, the two groups of fixing seats (1) are symmetrically distributed with respect to the support plate (4), and the fixing seats (1) can be fixed by means of limit bolts.

3. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: A base (18) is provided at the bottom of the support plate (4), the base (18) being an "L"-shaped plate structure, a first bearing (19) is provided on the surface of the base (18), a lifting screw (20) is fixedly connected to the inner ring surface of the first bearing (19), the side surface of the moving frame (3) is screwed to the lifting screw (20), and the side surface of the moving frame (3) is in contact with the side surface of the support plate (4).

4. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: A buffer spring (21) is sleeved on the surface of the buffer rod (5), one end of the buffer spring (21) is fixedly connected to the surface of the detection plate (6), and the other end of the buffer spring (21) is fixedly connected to the bottom of the support plate (4), and two groups of buffer rods (5) are provided, and the two groups of buffer rods (5) are linearly arranged at equal distances with respect to the surface of the support plate (4).

5. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: A fixing plate (22) is arranged in the placement groove (8), a sealing plate (23) is arranged on the side of the placement groove (8), a first hole is opened on the surface of the fixing plate (22), the moving rod (9) is inserted into the first hole, a rotating rod (24) is arranged on the inner side of the moving rod (9), and the traction wheel (10) is rotatably connected to the rotating rod (24).

6. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: The positioning ring (11) is fixedly connected to the bottom of the base plate (12), the moving rod (9) is screwed to the inner ring surface of the positioning ring (11), a second bearing (25) is arranged on the surface of the base plate (12), a fixing rod (26) is arranged on the inner ring surface of the second bearing (25), and a plurality of groups of moving rods (9) are arranged linearly and equidistantly about the surface of the fixing plate (22).

7. A fault diagnosis device for new energy vehicle detection according to claim 6, characterized in that: One end of the fixed rod (26) is fixedly connected to the inner ring surface of the second bearing (25), and an auxiliary spring (27) is provided on the surface of the other end of the fixed rod (26); one end of the auxiliary spring (27) is fixedly connected to the surface of the fixed rod (26), and the other end of the auxiliary spring (27) is fixedly connected to the surface of the pressure detection module (13).

8. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: The bottom of the support plate (4) is provided with a corrugated cover (28), the corrugated cover (28) being compressible and foldable, two groups of corrugated covers (28) are provided, the two groups of corrugated covers (28) are symmetrically distributed about the detection plate (6), one group of corrugated covers (28) is provided with a Velcro fleece surface (29) on its outer side surface, and the other group of corrugated covers (28) is provided with a Velcro flat surface (30) on its inner side surface.

9. A fault diagnosis device for new energy vehicle detection according to claim 1, characterized in that: The protective frame (14) is fixedly connected to the surface of the support plate (4) by means of bolts. The control panel (15) is electrically connected to the alarm module (16), the fault monitoring module (17), the pressure detection module (13), and the heat detection module (7). The pressure detection module (13) can transmit a data signal of the auxiliary spring (27) being compressed into the control panel (15).

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