CN114460482A - New energy automobile battery fault detection device and method - Google Patents
New energy automobile battery fault detection device and method Download PDFInfo
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- CN114460482A CN114460482A CN202210132005.4A CN202210132005A CN114460482A CN 114460482 A CN114460482 A CN 114460482A CN 202210132005 A CN202210132005 A CN 202210132005A CN 114460482 A CN114460482 A CN 114460482A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
- G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- General Physics & Mathematics (AREA)
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Abstract
The invention belongs to the technical field of battery detection equipment, in particular to a new energy automobile battery fault detection device and a method, aiming at the problem that frequent disassembly can cause screw abrasion between a battery pack and an automobile chassis, the fit degree between the assembled battery and the automobile chassis is reduced after the assembled battery is installed, and the unstable battery pack is easy to fall off and excessively abrade in the subsequent use process, the invention provides the following scheme. According to the invention, the voltage, the surface flatness and the heat dissipation during working of the lithium battery pack can be directly detected by utilizing the external frame, the measuring assembly and the temperature measuring assembly, so that the fault reason of the new energy automobile battery is diagnosed, the battery fault detection efficiency is improved, and the unstable battery pack connection condition caused by repeated disassembly and assembly is avoided.
Description
Technical Field
The invention relates to the technical field of battery detection equipment, in particular to a new energy automobile battery fault detection device and method.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.
The new energy automobile adopts lithium batteries, and the lithium batteries have long endurance mileage, more cycle times of charge and discharge and longer service life, and are batteries using lithium metal or lithium alloy as a positive/negative electrode material and a non-aqueous electrolyte solution.
Batteries of new energy automobile mostly are the group battery cooperation and use, when the new energy automobile battery breaks down, need dismantle the group battery and detect one by one, and frequent dismantlement can lead to the screw wearing and tearing between group battery and the vehicle chassis, reduces the laminating degree between group battery installation back and the vehicle chassis, takes place the group battery unstability easily and causes to drop and excessive wearing and tearing in subsequent use.
Disclosure of Invention
The new energy automobile battery fault detection device comprises an external frame, a lithium battery pack is arranged below the external frame, a seat plate is arranged below the external frame, two symmetrical round holes are formed in the outer wall of the lower side of the external frame, a first hydraulic rod is fixedly connected to the inner wall of each round hole, the other end of each first hydraulic rod is fixedly connected with the outer wall of the upper side of the seat plate, a middle layer plate is arranged below the seat plate, a plurality of equidistant rectangular grooves are formed in the outer wall of the lower side of the seat plate, pressure sensors are fixedly connected to the inner walls of the rectangular grooves, measuring assemblies are arranged below the pressure sensors, two symmetrical connecting blocks are fixedly connected to the outer wall of the lower side of the seat plate, the other ends of the connecting blocks are fixedly connected with the outer wall of the upper side of the middle layer plate, turning assemblies are arranged on two sides of the middle layer plate, and two symmetrical rectangular grooves are formed in the external frame, the inner wall of the rectangular groove is fixedly connected with a side seat, and a temperature measuring component is arranged below the side seat.
Preferably, the measuring component comprises a detecting rod and a functional spring, a plurality of equidistant round holes are formed in the middle layer plate, the detecting rod is movably connected with the inner wall of each round hole, a jacking head is arranged below the detecting rod, and the jacking head is made of hard rubber.
Preferably, the outer wall fixedly connected with backing plate of detection pole, the backing plate is located the downside of well plywood, and the outside swing joint of detection pole has reset spring, reset spring's both ends respectively with the upside outer wall of backing plate and the downside outer wall fixed connection of well plywood, and fixed connection between the top of detection pole and the function spring, fixed connection between the other end of function spring and the pressure sensor.
Preferably, the upset subassembly includes two tube bases and four upset poles, two tube bases respectively with the both ends fixed connection of well plywood, all set up the round hole of symmetry on two tube bases, swing joint between the inner wall of round hole and the upset pole, and fixedly connected with axostylus axostyle between two upset poles, the outside swing joint of axostylus axostyle has a plurality of equidistant auxiliary drum.
Preferably, two be provided with the position board between the upset pole, the equal fixedly connected with bracing piece in both ends of position board, the other end of bracing piece respectively with the upset pole between the homonymy fixedly connected with upset spring, and the upside outer wall fixedly connected with upset spring of position board, fixedly connected between the other end of upset spring and the flange outer wall on the barrel holder.
Preferably, the temperature measurement subassembly is including temperature measurement board and layer seat, the temperature measurement board is located the below of layer seat, the layer seat is located the below of side seat, the connecting rod of the three symmetry of upside outer wall fixedly connected with of layer seat, the other end of connecting rod and the downside outer wall fixed connection of side seat, and set up the round hole of symmetry on the layer seat, the inner wall swing joint of round hole has the slide bar, the bottom of slide bar and the upside outer wall fixed connection of temperature measurement board, the top fixedly connected with roof of slide bar, the outside swing joint of slide bar has spacing spring, spacing spring's both ends respectively with the upside outer wall of layer seat and the downside outer wall fixed connection of roof.
Preferably, the both sides of attaching the frame outward all are provided with splint, are provided with the contact electricity core on the splint, the equal fixedly connected with support of two symmetries of the upside outer wall of splint, and two supports are close to the equal fixedly connected with pull pole of one side outer wall that attaches the frame outward, swing joint between the other end of pull pole and the outer inner wall that attaches the frame outward.
Preferably, symmetrical round holes are formed in the external frame, a second hydraulic rod is fixedly connected to the inner wall of each round hole, a push rod is fixedly connected to one end of each second hydraulic rod, a limiting seat is fixedly connected to the other end of each push rod, and two ends of each limiting seat are fixedly connected with the two supports on the same side respectively.
The new energy automobile battery fault detection method is applied to the new energy automobile battery fault detection device, and comprises the following steps:
s1, fixing the device before detection: placing the external frame above the lithium battery pack, and connecting the device with the positive and negative electrodes of the lithium battery pack;
s2, bulge detection: the first hydraulic rod pushes the seat plate to move downwards, the measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack, along with the descending of the seat plate, the measuring assembly applies pressure to the pressure sensor, and data are transmitted to the terminal computer for data comparison;
s3: and (3) temperature detection: in the process that the seat plate moves downwards, the temperature measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack and feeds back a heat signal to a terminal computer to compare temperature data.
The beneficial effects of the invention are as follows:
1. according to the device, the external frame, the lithium battery pack, the seat plate, the first hydraulic rod, the middle plate, the pressure sensor, the connecting block and the side seat are arranged, and the external frame, the measuring assembly and the temperature measuring assembly can be used for directly detecting the voltage, the surface flatness and the heat emitted during working of the lithium battery pack, so that the fault reason of the new energy automobile battery is diagnosed, the battery fault detection efficiency is improved, and the unstable battery pack connection condition caused by repeated disassembly and assembly is avoided.
2. According to the invention, through the arranged measuring assembly, the first hydraulic rod pushes the seat plate to move downwards, the top of the detection rod can be firstly contacted with the outer wall of the upper side of the lithium battery pack, and at the moment, data signals fed back by each pressure sensor are observed, so that whether the surface of the lithium battery pack bulges or not is judged, and whether the fault reason is caused by the oxidation deformation of a filling material in the lithium battery pack or not is eliminated; the seat plate continuously descends, the detection rod is fully contacted with the surface of the lithium battery pack and is extruded, data signals fed back by the pressure sensors are compared at the moment, whether the surface of the lithium battery pack is sunken or not is judged, and fault reasons caused by melting of electrolytes in the lithium battery pack are eliminated; the plug can buffer the pressure between the detection rod and the surface of the lithium battery pack after contacting the surface wall of the lithium battery pack, so that the damage to the surface of the lithium battery pack caused by excessive contact is avoided; reset spring can assist the measuring pole to reset, is convenient for repeat the detection.
3. According to the invention, through the arranged overturning assembly, the auxiliary roller is convenient for the overturning rod to be stressed and overturned, so that the rotating smoothness of the overturning rod is improved; the reverse acting force after the elastic deformation of the turnover spring is utilized to drive the turnover rod to reset so as to facilitate repeated detection and use.
4. According to the temperature measurement device, the temperature measurement plate can be in contact with the outer wall of the lithium battery pack when the first hydraulic rod pushes the seat plate to move downwards, and the temperature sensor in the temperature measurement plate can directly transmit a heat signal to a terminal computer in the discharging process of the lithium battery pack so as to analyze whether the discharging and heating of the lithium battery pack are abnormal or not; the temperature measuring plate is internally provided with a temperature sensor, and the limiting spring can continue to support the descending of the layer seat after the temperature measuring plate is contacted with the surface wall of the lithium battery pack, so that the normal operation of the device is ensured.
5. According to the invention, the external attachment frame is arranged above the lithium battery pack through the arranged clamping plates, the support, the pull rod, the second hydraulic rod, the limiting seat and the push rod, the second hydraulic rod is adjusted to drive the two clamping plates to approach the lithium battery pack, after the clamping plates are contacted with the lithium battery, the contact electric cores on the clamping plates are inserted into the positive and negative jacks at the two ends of the lithium battery pack, and an electronic voltmeter on the external attachment frame sends data to a terminal computer; utilize the second hydraulic stem to adjust the distance between two splint, be convenient for adapt to the detection of the lithium cell group of different specifications, be convenient for simultaneously install and dismantle the device is holistic.
Drawings
Fig. 1 is a schematic overall structure diagram of a new energy vehicle battery fault detection device provided by the invention;
FIG. 2 is a schematic structural diagram of a measurement assembly of the new energy vehicle battery fault detection device provided by the invention;
fig. 3 is a schematic front view of the new energy vehicle battery fault detection device provided by the invention;
FIG. 4 is a schematic structural diagram of an auxiliary assembly of the new energy vehicle battery fault detection device provided by the invention;
FIG. 5 is a schematic structural diagram of a temperature measurement assembly of the new energy vehicle battery fault detection device provided by the invention;
fig. 6 is a schematic partial structure diagram of the new energy vehicle battery fault detection device provided by the invention.
In the figure: 1. an external frame; 2. a lithium battery pack; 3. a seat plate; 4. a first hydraulic lever; 5. a middle layer plate; 6. a pressure sensor; 7. connecting blocks; 8. a side seat; 9. a detection lever; 10. a functional spring; 11. ejecting the head; 12. a base plate; 13. a return spring; 14. a cartridge holder; 15. a turning rod; 16. a shaft lever; 17. an auxiliary drum; 18. a support bar; 19. positioning a plate; 20. turning over the spring; 21. a temperature measuring plate; 22. a layer seat; 23. a connecting rod; 24. a slide bar; 25. a top plate; 26. a limiting spring; 27. a splint; 28. a support; 29. a pull rod; 30. a second hydraulic rod; 31. a limiting seat; 32. a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A new energy automobile battery fault detection device is shown in figures 1, 2 and 3 and comprises an external attachment frame 1, a lithium battery pack 2 is arranged below the external attachment frame 1, a seat plate 3 is arranged below the external attachment frame 1, two symmetrical round holes are formed in the outer wall of the lower side of the external attachment frame 1, the inner wall of each round hole is connected with a first hydraulic rod 4 through a bolt, the other end of each first hydraulic rod 4 is connected with the outer wall of the upper side of the seat plate 3 through a bolt, a middle plate 5 is arranged below the seat plate 3, a plurality of rectangular grooves with equal intervals are formed in the outer wall of the lower side of the seat plate 3, pressure sensors 6 are connected with the inner walls of the rectangular grooves through bolts, measuring assemblies are arranged below the pressure sensors 6, two symmetrical connecting blocks 7 are connected with the outer wall of the lower side of the seat plate 3 through a bolt, the other ends of the connecting blocks 7 are connected with the outer wall of the upper side of the middle plate 5 through bolts, the both sides of well plywood 5 all are provided with the upset subassembly, and set up the rectangle recess of two symmetries on the outer frame 1 that attaches, and the inner wall of rectangle recess has side seat 8 through bolted connection, and the below of side seat 8 is provided with temperature measurement subassembly.
Further, as shown in fig. 2, the measuring assembly comprises a detecting rod 9 and a functional spring 10, a plurality of equidistant round holes are formed in the middle layer plate 5, the detecting rod 9 is connected with the inner walls of the round holes in a sliding manner, a top head 11 is arranged below the detecting rod 9, the top head 11 is made of hard rubber, and the top head 11 can buffer the pressure between the detecting rod 9 and the surface of the lithium battery pack 2 after contacting the surface wall of the lithium battery pack 2, so that the surface of the lithium battery pack 2 is prevented from being damaged due to excessive contact; the outer wall of test rod 9 has backing plate 12 through bolted connection, backing plate 12 is located the downside of well plywood 5, reset spring 13 has been cup jointed to the outside of test rod 9, reset spring 13's both ends pass through bolted connection with the upside outer wall of backing plate 12 and the downside outer wall of well plywood 5 respectively, and pass through bolted connection between the top of test rod 9 and the functional spring 10, pass through bolted connection between the other end of functional spring 10 and pressure sensor 6, reset spring 13 can assist test rod 9 to reset, be convenient for repeat the detection.
Furthermore, as shown in fig. 4, the turnover assembly includes two cylinder seats 14 and four turnover rods 15, the two cylinder seats 14 are respectively connected with two ends of the middle layer plate 5 through bolts, symmetrical round holes are respectively formed on the two cylinder seats 14, the inner walls of the round holes are rotatably connected with the turnover rods 15 through bearings, a shaft lever 16 is connected between the two turnover rods 15 through bolts, a plurality of equidistant auxiliary rollers 17 are rotatably connected to the outside of the shaft lever 16 through bearings, the auxiliary rollers 17 facilitate the turnover of the turnover rods 15 under stress, and the smoothness of rotation of the turnover rods 15 is improved; be provided with position board 19 between two upset poles 15, there is bracing piece 18 at position board 19's both ends all through bolted connection, pass through bolted connection between the other end of bracing piece 18 and the upset pole 15 of homonymy respectively, and there is upset spring 20 on the upside outer wall of position board 19 through bolted connection, pass through bolted connection between the other end of upset spring 20 and the boss outer wall on the bobbin base 14, reverse effort after utilizing upset spring 20 elastic deformation orders about upset pole 15 and resets to be convenient for repeated detection is used.
Further, as shown in fig. 5, the temperature measuring assembly includes a temperature measuring plate 21 and a layer seat 22, the temperature measuring plate 21 is located below the layer seat 22, the layer seat 22 is located below the side seat 8, the upper outer wall of the layer seat 22 is connected with three symmetrical connecting rods 23 through bolts, the other ends of the connecting rods 23 are connected with the lower outer wall of the side seat 8 through bolts, symmetrical round holes are formed in the layer seat 22, slide rods 24 are slidably connected with the inner walls of the round holes, the bottom ends of the slide rods 24 are connected with the upper outer wall of the temperature measuring plate 21 through bolts, the top ends of the slide rods 24 are connected with a top plate 25 through bolts, a limiting spring 26 is sleeved outside the slide rods 24, the two ends of the limiting spring 26 are respectively connected with the upper outer wall of the layer seat 22 and the lower outer wall of the top plate 25 through bolts, a temperature sensor is installed in the temperature measuring plate 21, the limiting spring 26 can continue to support the lowering of the layer seat 22 after the temperature measuring plate 21 contacts with the surface wall of the battery pack 2, the normal operation of the device is ensured.
Furthermore, as shown in fig. 1 and fig. 6, clamping plates 27 are disposed on both sides of the external attachment frame 1, a contact battery cell is disposed on the clamping plate 27, the outer wall of the upper side of the clamping plate 27 is connected with two symmetrical brackets 28 through bolts, the outer wall of one side of the two brackets 28 close to the external attachment frame 1 is connected with a pull rod 29 through bolts, and the other end of the pull rod 29 is slidably connected with the inner wall of the external attachment frame 1; set up the round hole of symmetry on the outer attached frame 1, the inner wall of round hole has second hydraulic stem 30 through bolted connection, there is push rod 32 one end of second hydraulic stem 30 through bolted connection, there is spacing seat 31 the other end of push rod 32 through bolted connection, and the both ends of spacing seat 31 pass through bolted connection with two supports 28 of homonymy respectively, utilize second hydraulic stem 30 to adjust the distance between two splint 27, be convenient for adapt to the detection of the lithium cell group 2 of different specifications, be convenient for install holistic installation and dismantlement simultaneously.
The new energy automobile battery fault detection method is applied to the new energy automobile battery fault detection device, and comprises the following steps:
s1, fixing the device before detection: placing the external frame 1 above the lithium battery pack 2, and connecting the device with the positive and negative electrodes of the lithium battery pack 2;
s2, bulge detection: the first hydraulic rod 4 pushes the seat plate 3 to move downwards, the measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack 2, along with the descending of the seat plate 3, the measuring assembly applies pressure to the pressure sensor 6, and data are transmitted to the terminal computer for data comparison;
s3: and (3) temperature detection: in the downward moving process of the seat plate 3, the temperature measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack 2 and feeds back a heat signal to a terminal computer for temperature data comparison.
The working principle is as follows: placing the external attachment frame 1 above the lithium battery pack 2, adjusting a second hydraulic rod 30 to drive two clamping plates 27 to approach the lithium battery pack 2, inserting contact cells on the clamping plates 27 into positive and negative jacks at two ends of the lithium battery pack 2 after the clamping plates 27 are contacted with the lithium battery pack 2, and sending data to a terminal computer by an electronic voltmeter on the external attachment frame 1;
the first hydraulic rod 4 pushes the seat plate 3 to move downwards, the measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack 2, the top 11 of the detecting rod 9 is in contact with the outer wall of the upper side of the lithium battery pack 2 along with the descending of the seat plate 3, and data signals fed back by the pressure sensors 6 are observed at the moment, so that whether the surface of the lithium battery pack 2 bulges or not is judged, and whether fault reasons are caused by the oxidation deformation of filling materials in the lithium battery pack 2 is eliminated or not is judged; the seat plate 3 continuously descends, the detection rod 9 is fully contacted with and extruded by the surface of the lithium battery pack 2, and data signals fed back by the pressure sensors 6 are compared at the moment to judge whether the surface of the lithium battery pack 2 is sunken or not, so that fault reasons caused by melting and missing of electrolyte in the lithium battery pack 2 are eliminated; in this, survey temperature plate 21 can contact with the outer wall of lithium cell group 2, and lithium cell group 2 discharges the in-process, and the temperature sensor of surveying temperature plate 21 inside can be directly with heat signal transmission to terminal computer, whether the analysis lithium cell group 2 discharges to generate heat unusual.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The new energy automobile battery fault detection device comprises an external frame (1) and is characterized in that a lithium battery pack (2) is arranged below the external frame (1), a seat plate (3) is arranged below the external frame (1), two symmetrical round holes are formed in the outer wall of the lower side of the external frame (1), a first hydraulic rod (4) is fixedly connected to the inner wall of each round hole, the other end of the first hydraulic rod (4) is fixedly connected with the outer wall of the upper side of the seat plate (3), a middle layer plate (5) is arranged below the seat plate (3), a plurality of rectangular grooves with equal intervals are formed in the outer wall of the lower side of the seat plate (3), pressure sensors (6) are fixedly connected to the inner walls of the rectangular grooves, measuring assemblies are arranged below the pressure sensors (6), and two symmetrical connecting blocks (7) are fixedly connected to the outer wall of the lower side of the seat plate (3), the other end of connecting block (7) and the upside outer wall fixed connection of well plywood (5), the both sides of well plywood (5) all are provided with the upset subassembly, and set up the rectangle recess of two symmetries on attaching frame (1) outward, and the inner wall fixedly connected with side seat (8) of rectangle recess, the below of side seat (8) is provided with the temperature measurement subassembly.
2. The new energy automobile battery fault detection device according to claim 1, wherein the measurement component comprises a detection rod (9) and a functional spring (10), a plurality of equidistant round holes are formed in the middle layer plate (5), the detection rod (9) is movably connected with the inner walls of the round holes respectively, a top head (11) is arranged below the detection rod (9), and the top head (11) is made of hard rubber.
3. The new energy automobile battery fault detection device according to claim 2, characterized in that a backing plate (12) is fixedly connected to the outer wall of the detection rod (9), the backing plate (12) is located on the lower side of the middle layer plate (5), a return spring (13) is movably connected to the outer portion of the detection rod (9), two ends of the return spring (13) are fixedly connected to the outer wall of the upper side of the backing plate (12) and the outer wall of the lower side of the middle layer plate (5), the top end of the detection rod (9) is fixedly connected to the functional spring (10), and the other end of the functional spring (10) is fixedly connected to the pressure sensor (6).
4. The new energy automobile battery fault detection device of claim 1, characterized in that the turnover assembly includes two cylinder bases (14) and four turnover rods (15), the two cylinder bases (14) are respectively and fixedly connected with two ends of the middle layer plate (5), symmetrical round holes are respectively formed in the two cylinder bases (14), the inner walls of the round holes are movably connected with the turnover rods (15), a shaft lever (16) is fixedly connected between the two turnover rods (15), and a plurality of equidistant auxiliary rollers (17) are movably connected to the outside of the shaft lever (16).
5. The new energy automobile battery fault detection device of claim 4, characterized in that a position plate (19) is arranged between the two turnover rods (15), support rods (18) are fixedly connected to both ends of the position plate (19), the other ends of the support rods (18) are fixedly connected to the turnover rods (15) on the same side, a turnover spring (20) is fixedly connected to the outer wall of the upper side of the position plate (19), and the other end of the turnover spring (20) is fixedly connected to the outer wall of the convex plate on the barrel seat (14).
6. The new energy automobile battery failure detection device of claim 1, the temperature measuring component comprises a temperature measuring plate (21) and a layer seat (22), the temperature measuring plate (21) is positioned below the layer seat (22), the layer seat (22) is positioned below the side seat (8), the outer wall of the upper side of the layer seat (22) is fixedly connected with three symmetrical connecting rods (23), the other end of each connecting rod (23) is fixedly connected with the outer wall of the lower side of the side seat (8), and set up the round hole of symmetry on layer seat (22), the inner wall swing joint of round hole has slide bar (24), the bottom of slide bar (24) and the upside outer wall fixed connection of temperature measurement board (21), the top fixedly connected with roof (25) of slide bar (24), the outside swing joint of slide bar (24) has spacing spring (26), the both ends of spacing spring (26) respectively with the upside outer wall of layer seat (22) and the downside outer wall fixed connection of roof (25).
7. The new energy automobile battery fault detection device according to claim 1, characterized in that clamping plates (27) are arranged on both sides of the external frame (1), a contact battery cell is arranged on each clamping plate (27), two symmetrical brackets (28) are fixedly connected to the outer wall of the upper side of each clamping plate (27), a pull rod (29) is fixedly connected to the outer wall of one side of each bracket (28) close to the external frame (1), and the other end of each pull rod (29) is movably connected to the inner wall of the external frame (1).
8. The new energy automobile battery fault detection device of claim 7, wherein symmetrical round holes are formed in the external frame (1), a second hydraulic rod (30) is fixedly connected to the inner wall of the round hole, a push rod (32) is fixedly connected to one end of the second hydraulic rod (30), a limiting seat (31) is fixedly connected to the other end of the push rod (32), and two ends of the limiting seat (31) are fixedly connected to the two supports (28) on the same side respectively.
9. The new energy automobile battery fault detection method is applied to the new energy automobile battery fault detection device according to any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, fixing the device before detection: placing the external frame (1) above the lithium battery pack (2), and connecting the device with the positive and negative electrodes of the lithium battery pack (2);
s2, bulge detection: the first hydraulic rod (4) pushes the seat plate (3) to move downwards, the measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack (2), along with the descending of the seat plate (3), the measuring assembly applies pressure to the pressure sensor (6), and data are transmitted to the terminal computer for data comparison;
s3: and (3) temperature detection: in the process that the seat plate (3) moves downwards, the temperature measuring assembly is in contact with the outer wall of the upper side of the lithium battery pack (2) and feeds back a heat signal to a terminal computer to compare temperature data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132005.4A CN114460482A (en) | 2022-02-14 | 2022-02-14 | New energy automobile battery fault detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132005.4A CN114460482A (en) | 2022-02-14 | 2022-02-14 | New energy automobile battery fault detection device and method |
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| CN114460482A true CN114460482A (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210132005.4A Pending CN114460482A (en) | 2022-02-14 | 2022-02-14 | New energy automobile battery fault detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993239A (en) * | 2022-06-21 | 2022-09-02 | 苏州新能先锋检测科技有限公司 | Device and method for detecting and recovering battery liquid in new energy battery pack |
-
2022
- 2022-02-14 CN CN202210132005.4A patent/CN114460482A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993239A (en) * | 2022-06-21 | 2022-09-02 | 苏州新能先锋检测科技有限公司 | Device and method for detecting and recovering battery liquid in new energy battery pack |
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