External force resistance detection equipment for new energy battery

Abstract

The invention relates to the technical field of battery detection equipment, and discloses external force resistance detection equipment for a new energy battery, which comprises a detection room as a basic component of the whole device, and a detection cavity is arranged in the detection room and is used for assembling and bearing each processing mechanism and a lower structural member to which the processing mechanism belongs; and the toughened glass door is arranged at the middle upper part of the front side of the detection room, and is used for workers to go in and out of the detection room and observe the new energy battery when the new energy battery is detected. By adding and arranging the impact test mechanism, when the new energy battery is subjected to an external force resistance test, on one hand, the mechanism can accurately simulate a complex scene that a new energy automobile suffers from impact at different angles in a driving process, so that a test result and data are highly close to reality and are more authentic and representative, and on the other hand, the impact test mechanism can accurately test the external force resistance of the new energy battery. The mechanism can also truly simulate the extreme situation that the new energy battery is impacted by shock waves when the new energy automobile turns over and falls during driving, so that the battery performance can be comprehensively evaluated.

Description

Technical Field

[0001] The present invention relates to the technical field of battery testing equipment, and in particular to an external force resistance testing equipment for new energy batteries. Background Art

[0002] External force resistance testing is an important means of evaluating an object's ability to resist external forces. In many fields, such as industrial production, product manufacturing, and construction engineering, external force resistance testing plays a key role. In industrial products, by simulating external forces such as collision, extrusion, and stretching, the stability and reliability of the product structure can be tested. For example, automotive parts need to be tested for impact resistance to ensure the safety of drivers and passengers in accidents; aerospace parts must withstand extreme external forces, and strict external force resistance testing is essential. There are many common testing methods. The impact tester simulates impact forces of different intensities to observe whether the object has cracks, peeling, etc.; the drop ball test allows a steel ball to fall freely from a certain height to impact and evaluate the impact resistance. In addition, the tensile test tests the performance of the material under tensile load, and the bending test evaluates the performance of the material under bending load. External force resistance testing is widely used in various industries. In the manufacture of electronic equipment, it ensures that the product is not damaged by external forces during daily use and transportation. It is a key link in ensuring product quality and improving safety and reliability.

[0003] With the rapid development of modern economy and technology, the number of new energy vehicles has been equal to that of fuel vehicles, or even surpassed that of fuel vehicles. As the core component of new energy vehicles, the safety of new energy batteries is directly related to the safety of new energy vehicles. Therefore, the detection of new energy batteries is crucial. When conducting external force resistance detection of new energy batteries, most experimental devices use hydraulic pressure or slow pressure to simulate external force resistance testing. However, this simulation experiment method cannot truly restore the actual state of the battery when a new energy vehicle collides. Since the collision occurs instantly, it has a strong impact and suddenness, and the slow pressure test method is very different from it, resulting in the lack of representativeness of the experimental data obtained by this method, and it is also impossible to accurately judge the true condition of the new energy battery during a sudden collision. This not only affects the evaluation of the safety of new energy batteries, but also buries hidden dangers for the safe use of new energy vehicles. Therefore, those skilled in the art have proposed an external force resistance detection device for new energy batteries to solve the above-mentioned technical problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an external force resistance detection device for new energy batteries, which solves the problem that the existing test method cannot accurately judge the real condition of the new energy battery in a sudden collision.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an external force resistance detection device for new energy batteries, comprising: The inspection room, as the basic component of the whole device, is provided with an inspection cavity for assembling and carrying various processing mechanisms and their subordinate structural parts; A tempered glass door is located in the upper middle part of the front side of the testing room, which is used for staff to enter and exit the testing room and observe the new energy batteries during testing; The impact test mechanism is arranged in the middle of the top wall of the detection chamber, and is used to test the new energy battery against instantaneous impact and external force at different angles and in different states; The adaption adjustment mechanism is arranged at one side of the middle part of the bottom end of the detection cavity, and is used to adapt and adjust the weight and material of the counterweight during the new energy battery test; A gravel impact mechanism, which is arranged at the middle and rear side of the top of the detection cavity, and is used for simulating a gravel impact test on the new energy battery; The safety protection mechanism is arranged at the rear side of the testing room and is used to provide safety protection for the testing room during the testing of new energy batteries.

[0006] Preferably, the impact testing mechanism includes a bottom wall slide, a bottom wall slide is provided on one side of the middle part of the bottom wall of the detection cavity, a support seat 2 is slidably connected in the bottom wall slide, a bearing platform is rotatably connected to the middle part of the top end of the support seat 2, a horizontal fixing seat is provided at the four corners of the outer wall of the bearing platform, a vertical fixing seat is provided at the middle part of the front and rear sides of the bearing platform, a bottom card slot and a vertical card slot are respectively provided in the middle part of the top end of the bearing platform, which are respectively used to fix the bottom of the new energy battery in a vertical placement state and an inclined placement state, a servo motor is provided at the middle and upper part of the inner side of the support seat 2, and the output end of the servo motor is connected to the middle part of the bearing platform, an adjusting rod is fixedly connected to the middle and upper part of the inner wall of the detection cavity close to the support seat 2, and the end of the adjusting rod away from the detection cavity is respectively connected to the corresponding position of one side of the side support seat.

[0007] Preferably, the impact testing mechanism also includes a sliding rail seat, a sliding rail seat is fixedly connected to the middle of the top end of the inner wall of the detection chamber, an I-shaped sliding seat is slidably connected to the middle of the bottom end of the sliding rail seat, a matching groove is opened in the middle and upper part of the I-shaped sliding seat, a rotating seat is rotatably connected to the middle and upper part of one side of the outer wall of the detection room, and one end of the rotating seat sequentially penetrates the sliding rail seat and the matching groove and extends outward, a limiting block is fixedly connected to one end of the rotating seat, two force storage springs are equidistantly arranged in the middle and upper part of one side of the I-shaped sliding seat close to the rotating seat, the bottom end of the I-shaped sliding seat is fixedly connected to a connecting seat, the middle of the bottom end of the connecting seat is fixedly connected to a vertical pole, and a plurality of counterweights are equidistantly arranged on the vertical pole.

[0008] Preferably, the adaptation and adjustment mechanism includes a support seat 1, a support seat 1 is fixedly connected on one side of the bottom end of the detection chamber near the rotating seat, and a counterweight turntable is rotatably connected to the top of the support seat, a stepping motor is arranged on the inner middle and upper part of the support seat, and the output end of the stepping motor is connected to the middle of the bottom end of the counterweight turntable, and a plurality of counterweight placement grooves for placing counterweight blocks of different shapes and materials are arranged in a circular array near the edge around the middle of the top end of the counterweight turntable, and a plurality of slots are equidistantly provided at the inner bottom of the counterweight placement groove, a side wall slide is arranged on the inner wall of the detection chamber near the rotating seat, and a pushing seat is slidably connected to the side wall slide, a plurality of lifting rods are equidistantly fixedly connected to the middle part of one side of the pushing seat, and one end of the lifting rods respectively extends to the inside of the corresponding slots, and two electric cylinders are equidistantly provided on the middle and lower part of one side of the inner wall of the detection chamber, and the top ends of the rod bodies of the electric cylinders are respectively connected to the two sides of the middle part of the bottom end of the pushing seat.

[0009] Preferably, the adaptor and adjustment mechanism also includes an adjustment control seat, an adjustment control seat is provided in the middle of one side of the connecting seat, a plurality of electromagnet seats are equidistantly provided on the side of the adjustment control seat close to the counterweight block, a plurality of through holes are equidistantly provided in the middle of the inner side of the counterweight block, a movable cavity is provided in the middle of the inner side of the counterweight block, a plug-in hole is vertically provided in the middle of the inner side of the counterweight block, and the interior of the plug-in hole is respectively connected with the interior of the movable cavity at the corresponding position, a magnetic seat is provided on the side of the inner wall of the movable cavity away from the adjustment control seat, a movable seat is provided on the inner side of the movable cavity close to the adjustment control seat, a magnet block is provided in the middle of both ends of the movable seat, and a limit block 2 is provided at the bottom of the inner side of the movable cavity close to the magnetic seat.

[0010] Preferably, the gravel impact mechanism includes a temporary storage box, which is fixedly connected to one side of the middle and rear part of the top of the detection chamber, a high-pressure air pump is provided on one side of the middle and rear part of the top of the detection chamber, and the pressure exhaust port of the high-pressure air pump is connected with the interior of the temporary storage box through a connecting pipe, and a plurality of universal ring seats are equidistantly arranged on one side of the temporary storage box, and a mounting tube is provided in the middle part of the interior of the universal ring seat, and the interior of the mounting tube is connected with the interior of the temporary storage box.

[0011] Preferably, the stone crushing impact mechanism also includes a piston seat, an inner side of the mounting cylinder is slidably connected with the piston seat, a sealing rubber sleeve is provided in the middle of the outer wall of the piston seat, a plurality of mounting cavities are arranged in a circular array on one side of the inner side of the mounting cylinder, an inclined sliding seat is slidably connected at a position close to the inner wall of the mounting cylinder in the mounting cavity, a supporting spring is provided at a position close to the outer wall of the mounting cylinder in the mounting cavity, a limiting clamp ring is fixedly connected to one side of the inner wall of the mounting cylinder away from the temporary storage box, and stone crushing simulation blocks of different sizes and masses are respectively provided in the middle of one side of the piston seat close to the limiting clamp ring.

[0012] Preferably, the safety protection mechanism includes a pressure swing adsorption nitrogen generator, which is arranged at the lower middle part of the rear side of the detection room, and the nitrogen exhaust port of the pressure swing adsorption nitrogen generator is connected with the interior of the detection cavity through a connecting pipe, and silicone sealing strips are arranged at the edges of the tempered glass door.

[0013] Preferably, the safety protection mechanism includes a sand storage box, a sand storage box is provided on one side of the middle part of the top of the detection cavity, a sand storage cavity is provided on the inner middle and upper part of the sand storage box, a plurality of hollow sand storage rollers are equidistantly rotatably connected to the inner middle and lower part of the sand storage box, and one end of the hollow sand storage roller passes through the sand storage box and extends outward, the outer end of the hollow sand storage roller is connected by a synchronous belt, a plurality of groups of matching sand outlet holes are equidistantly provided on the outer wall of the hollow sand storage roller, a driving motor is provided on one side of the middle part of the rear end of the sand storage box, and the output end of the driving motor passes through the sand storage box and is connected to the middle part of one end of the hollow sand storage roller at the corresponding position, a plurality of groups of connecting holes are equidistantly provided at the bottom of the sand storage cavity, and a plurality of groups of scattered holes are equidistantly provided at the bottom of the sand storage box.

[0014] Working principle: When conducting an external force resistance test on the battery of a new energy vehicle, the impact test mechanism is first started. The staff first places the new energy battery to be tested horizontally on the load-bearing platform, and fixes the new energy battery during the test through the horizontal fixing seat on the load-bearing platform. Then, after the new energy battery is fixed, the staff pushes the I-shaped sliding seat on the sliding track seat to move to the starting end. When the I-shaped sliding seat moves to the starting end position in the sliding track seat, the force storage spring on the I-shaped sliding seat is squeezed and tightened, and at the same time, the rotating seat on the detection room is also synchronously inserted into the matching groove on the I-shaped sliding seat. At this time, the staff rotates the rotating seat on the detection room so that the limit block on the rotating seat is aligned with the I-shaped sliding seat. The matching groove on the upper part is misaligned, so that the I-shaped sliding seat in the sliding track seat is limited and locked by the rotating seat. After the I-shaped sliding seat is limited and locked, the staff in the inspection room exits from the inspection cavity and synchronously closes the interior of the inspection cavity through the tempered glass door. Finally, the staff rotates the rotating seat on the inspection room, and the rotating seat drives the limit block 1 on it to rotate synchronously while rotating. The limit block 1 matches the matching groove on the I-shaped sliding seat while rotating, so as to release the limit lock of the rotating seat on the I-shaped sliding seat in the sliding track seat. At this time, the limit of the storage spring on the I-shaped sliding seat disappears and opens synchronously. The storage spring pushes the rotating seat to slide in the sliding track seat while opening, and the I-shaped sliding seat slides. While moving, it drives the connecting seat at the bottom and the counterweight block on the vertical pole to impact the new energy battery on the bearing platform to test, so as to simulate the scene that the new energy vehicle is suddenly hit by the reverse car in front during driving. After completing the preliminary impact test on the new energy battery, the staff can also control the servo motor in the support seat 2 through the control device to start. When the servo motor is started, the rotating shaft on it drives the bearing platform on the support seat 2 and the new energy battery thereon to rotate synchronously, so that the position where the new energy battery on the bearing platform is hit is changed to the side position, and then the above operation is repeated to perform another impact test on the new energy battery on the bearing platform to simulate the new energy vehicle being suddenly hit by the front or rear side during driving. In the scenario of rear-end collision or impact, after the above test is completed, the staff can also place the new energy battery on the carrier vertically in the vertical slot and fix it through the vertical fixing seat, and then repeat the above impact operation after the new energy battery is fixed, so as to simulate the impact or vibration wave generated when the new energy vehicle falls vertically or impacts in other positions during driving. After that, the staff can also take out the new energy battery in the vertical slot and place it in the bottom slot on the carrier, and then adjust the length of the adjusting rod in the detection cavity. When adjusting, the adjusting rod simultaneously drives the side support seat on it to move. When the side support seat contacts the rear surface of the new energy battery,The staff will limit and fix the adjustment rod, and then repeat the above-mentioned impact operation to simulate the impact or vibration wave generated by the new energy vehicle when it rolls and falls on the new energy battery; after completing the above-mentioned impact test, the adaptation adjustment mechanism is started. In order to simulate the use of the new energy battery after the new energy vehicle is hit by a car at different speeds, the staff starts the stepper motor in the support seat 1 through the control device. While the rotating shaft of the stepper motor rotates, it drives the counterweight turntable on it and the counterweight blocks of different masses and shapes in the counterweight placement slot to move synchronously. When the required counterweight block moves to the position of the push seat, the electric cylinder in the detection cavity is started, and the rod body on the electric cylinder rises The rod body on the electric cylinder rises and is pushed out, while driving the pushing seat and the lifting rod on it to move upward and slide synchronously in the side wall slideway. The lifting rod rises in the corresponding position slot while moving upward, and simultaneously lifts the counterweight block in the counterweight placement slot at the corresponding position. While multiple overlapping counterweight blocks are moving upward, the vertical rod on the connecting seat is inserted into the plug hole of the counterweight block. At this time, the staff sends a control signal to the adjustment control seat on the connecting seat through the remote control device. After receiving the control signal, the corresponding position and the corresponding number of electromagnet seats on the adjustment control seat are started. The electromagnet seat is energized and its magnetism changes at the same time when it is started, so that the magnetism of the electromagnet seat and the magnet block on the side close to the electromagnet seat on the moving seat become the same. The magnet block on the side of the moving seat away from the electromagnet seat is of opposite magnetism to the magnetic seat. According to the principle of like repels like and opposites attract, a repulsive force is generated between the electromagnet seat and the magnet block on the adjacent side of the moving seat. The repulsive force generated pushes the moving seat to slide in the moving cavity. At the same time, the suction force generated between the magnetic seat and the magnet block on the adjacent side also synchronously attracts the moving seat to slide in the moving cavity. While sliding, the moving seat passes through the through hole at the corresponding position on the vertical pole and is limited by the limit block 2, thereby completing the locking of the counterweight block on the vertical pole. Then, the test operation of the above-mentioned impact test mechanism is repeated. When the I-shaped sliding seat moves, the connecting seat at the bottom and the corresponding positions and a corresponding number of locked counterweight blocks on the vertical pole can be driven to move synchronously. The impact test is carried out by moving step by step, so as to simulate and test the use of new energy batteries of new energy vehicles after being hit by other vehicles of different types and at different speeds, so as to complete the adaptation and adjustment of the counterweight during the impact test; when simulating the impact of gravel that bounces up and squeezed by the tires of the new energy vehicle during driving, the gravel simulation mechanism is started. First, the staff will vertically place the new energy battery on the load-bearing platform and fix it through the vertical fixing seat thereon, and then the staff will push the support seat 2 and the new energy battery on the load-bearing platform to move within the bottom wall slide. When the battery moves to the position corresponding to the installation cylinder, it stops moving, and then the staff will control the high-pressure air pump on the inspection room to start through the control equipment.After the high-pressure air pump is turned on, it injects high-pressure gas into the temporary storage box through the connecting pipe. As the pressure in the temporary storage box continues to increase, the high-pressure gas in the temporary storage box enters the installation cylinders at various positions and squeezes the piston seats therein to move synchronously. As the pressure in the temporary storage box continues to increase, the piston seat in the installation cylinder is pushed by the high-pressure gas to move slowly in the installation cylinder. Then, as the piston seat continues to move, the piston seat synchronously squeezes the inclined plane slide seat to move toward the outer wall of the installation cylinder. While moving, the inclined plane slide seat synchronously squeezes the supporting spring in the installation cavity to shrink it. When the inclined plane slide seat completely releases its control over the piston seat, the restriction on the piston seat disappears, and the high-pressure gas in the temporary storage box is released. The compressed gas enters the installation cylinder and pushes the piston seat to move outward at high speed. The piston seat drives the stone simulation block on it to move while moving. When the piston seat hits the limit clamp ring in the installation cylinder, the stone simulation block on the piston seat separates from it and continues to fly toward the new energy battery on the carrier platform through inertia force and hits it, thereby simulating the impact of new energy vehicles in stone. At the same time, the staff can also adjust the angle and position of the stone through the universal ring seat on the installation cylinder, so as to realize the all-round stone impact simulation processing of the new energy battery, thereby completing the stone impact test processing of the new energy battery; in the test of the new energy battery During the process, the safety protection mechanism is activated. During the test of new energy batteries, the test cavity in the test room is sealed by the tempered glass door and the silicone sealing strip thereon. Then the pressure swing adsorption nitrogen generator in the test room continuously injects nitrogen into the test cavity through the connecting pipe, thereby reducing the internal oxygen content of the test cavity and enriching the nitrogen. By reducing the oxygen content in the test cavity, the probability of fire and combustion of new energy batteries in the test cavity is reduced. If a fire occurs during the test of new energy batteries, the staff controls the drive motor on the drive motor through the remote control device to start it. The shaft of the drive motor drives the sand storage box while rotating. The hollow sand storage rollers at the corresponding positions rotate synchronously, so that the connecting holes, matching sand outlet holes and dispersion holes that were originally in a dislocated state are connected. While the hollow sand storage rollers rotate, they drive the hollow sand storage rollers at other positions to rotate synchronously through the synchronous belt. When the hollow sand storage rollers rotate, the sand in the hollow sand storage rollers is sequentially dispersed through the matching sand outlet holes and the dispersion holes at the bottom of the sand storage box and sprinkled onto the new energy battery on the carrier platform for fire extinguishing. When the hollow sand storage rollers rotate, the sand in the sand storage cavity is supplemented into the hollow sand storage rollers when the connecting holes and the matching sand outlet holes are connected, so as to achieve fire extinguishing at the fire position of the new energy battery.

[0015] The present invention provides an external force resistance detection device for new energy batteries. It has the following beneficial effects: 1. The present invention adds and sets an impact test mechanism. When testing the resistance of new energy batteries to external forces, the mechanism can accurately simulate the complex scenarios in which new energy vehicles are hit at different angles during driving, and meticulously show the use of new energy batteries under these conditions, so that the test results and data are highly close to reality, more authentic and representative. On the other hand, the mechanism can also realistically simulate the extreme situation in which new energy batteries are impacted by shock waves when new energy vehicles roll over and fall during driving, so as to facilitate the comprehensive evaluation of battery performance and provide a key basis for improving battery safety and optimizing design; 2. The present invention adds and sets an adaptive adjustment mechanism. When testing new energy batteries, the mechanism can flexibly adjust the number and weight of counterweights and select different materials according to actual needs. In this way, it can highly realistically simulate the collision scenes of new energy vehicles encountering different types of vehicles at different speeds during driving, and accurately present the use of new energy batteries under these complex conditions. In addition, by coordinating the change of the impact angle of the new energy battery and the change of the contact surface, the real state of the new energy battery when the accident occurs can be truthfully reflected, which helps researchers to more accurately understand the weaknesses of the battery structure and provide strong support for improving the safety and reliability of the battery. 3. The present invention adds and sets a gravel impact mechanism. When testing new energy batteries, the mechanism can highly restore the real scene of new energy vehicles in daily driving, when the tires squeeze ground objects and gravel bursts and impacts the battery. By accurately controlling the intensity and frequency of gravel emission and cleverly changing the emission angle, the different positions of the new energy battery can be fully covered, and the conditions of various parts being impacted by gravel are truly and meticulously presented. This testing method not only helps to deeply understand the battery's tolerance performance under complex road conditions, but also provides accurate data support for the optimal design of the battery protection structure, greatly improving the safety and reliability of new energy vehicles in actual use; 4. The present invention increases and sets a safety protection mechanism. When testing new energy batteries, the mechanism has double safety protection. First, the mechanism enriches the nitrogen in the detection chamber and reduces the oxygen content, thereby fundamentally weakening the possibility of fire and combustion of new energy batteries during the test, and building a solid safety line for the test environment. Second, once the new energy battery unfortunately catches fire, the mechanism uses advanced automatic control technology to quickly start the sand-raising and fire-fighting process to extinguish the flames accurately and timely. Through this series of measures, the safety of new energy batteries during the test process is greatly improved, and the smooth and safe progress of the test work is guaranteed in all aspects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front structure of the closed state of the present invention; Figure 2 It is a schematic diagram of the rear structure of the closed state of the present invention; Figure 3 It is a front side cross-sectional schematic diagram of the internal structure of the testing room of the present invention; Figure 4 It is a schematic cross-sectional view of the rear side of the internal structure of the testing room of the present invention; Figure 5 It is a schematic diagram of the local structure of the I-shaped seat of the present invention; Figure 6 It is a schematic diagram of the local structure of the connecting seat of the present invention; Figure 7 It is a cross-sectional schematic diagram of the internal structure of the counterweight block of the present invention; Figure 8 It is a partial structural schematic diagram of the counterweight turntable of the present invention; Fig. 9 It is a schematic diagram of the partial structure of the push seat of the present invention; Fig.10 It is a schematic diagram of the local structure of the bearing platform of the present invention; Fig.11 It is a schematic diagram of the local structure of the installation tube of the present invention; Fig.12 It is a cross-sectional schematic diagram of the internal structure of the installation tube of the present invention; Fig.13 For the present invention Fig.12 A schematic diagram of the structure at A; Fig.14 It is a schematic cross-sectional view of the internal structure of the sand storage box of the present invention.

[0017] Among them, 1. Inspection room; 2. Tempered glass door; 3. Rotating seat; 4. High-pressure air pump; 5. Pressure swing adsorption nitrogen generator; 6. I-shaped sliding seat; 7. Connecting seat; 8. Counterweight block; 9. Side wall slide; 10. Push seat; 11. Electric cylinder; 12. Support seat one; 13. Counterweight turntable; 14. Inspection chamber; 15. Horizontal fixed seat; 16. Support seat two; 17. Bottom wall slide; 18. Servo motor; 19. Loading platform; 20. Adjustment rod; 21. Side support seat; 22. Vertical fixed seat; 23. Sliding track seat; 24. Synchronous belt; 25. Sand storage box; 26. Drive motor; 27. Mounting cylinder; 28. Universal ring seat; 29. ​​Temporary storage box; 30. Accumulation spring ;31. Adjustment control seat;32. Electromagnet seat;33. Vertical pole;34. Perforation;35. Matching groove;36. Limit block one;37. Plug hole;38. Magnetic seat;39. Limit block two;40. Moving cavity;41. Moving seat;42. Magnet block;43. Counterweight placement groove;44. Slot;45. Stepper motor;46. Lifting rod;47. Bottom slot;48. Vertical slot;49. Limiting snap ring;50. Piston seat;51. Sealing rubber sleeve;52. Inclined slide seat;53. Support spring;54. Installation cavity;55. Gravel simulation block;56. Sand storage cavity;57. Connecting hole;58. Dispersion hole;59. Hollow sand storage roller;60. Matching sand outlet hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Please see attached Figure 1 - Attachment Figure 4 The embodiment of the present invention provides an external force resistance detection device for new energy batteries, including a detection room 1 as a basic component of the overall device, in which a detection cavity 14 is arranged for assembling and carrying various processing mechanisms and their subordinate structural parts; a tempered glass door 2 is arranged at the upper middle part of the front side of the detection room 1, and is used for staff to enter and exit the detection room 1 and observe the new energy battery when testing; Please see attached Figure 5 - Attachment Figure 7 and attached Fig.10 , an impact test mechanism, which is arranged in the middle of the top wall of the detection chamber 14, and is used to perform instantaneous impact resistance external force test processing on the new energy battery at different angles and in different states; The impact test mechanism also includes a sliding rail seat 23, a sliding rail seat 23 is fixedly connected to the middle of the top end of the inner wall of the detection chamber 14, an I-shaped sliding seat 6 is slidably connected to the middle of the bottom end of the sliding rail seat 23, a matching groove 35 is provided in the middle and upper part of the I-shaped sliding seat 6, a rotating seat 3 is rotatably connected to the middle and upper part of one side of the outer wall of the detection room 1, and one end of the rotating seat 3 sequentially penetrates the sliding rail seat 23 and the matching groove 35 and extends outward, a limiting block 36 is fixedly connected to one end of the rotating seat 3, two force storage springs 30 are equidistantly arranged in the middle and upper part of one side of the I-shaped sliding seat 6 close to the rotating seat 3, the bottom end of the I-shaped sliding seat 6 is fixedly connected to the connecting seat 7, the middle of the bottom end of the connecting seat 7 is fixedly connected to the vertical rod 33, and a plurality of counterweights 8 are equidistantly arranged on the vertical rod 33.

[0020] When the impact test mechanism is started, the staff first places the new energy battery to be tested horizontally on the supporting platform 19, and fixes the new energy battery under test through the horizontal fixing seat 15 on the supporting platform 19. Then, after the new energy battery is fixed, the staff pushes the I-shaped sliding seat 6 on the sliding track seat 23 to move until the starting end. When the I-shaped sliding seat 6 moves to the starting end position in the sliding track seat 23, the storage spring 30 on the I-shaped sliding seat 6 is squeezed and tightened, and at the same time, the rotating seat 3 on the detection room 1 is also synchronously inserted into the matching groove 35 on the I-shaped sliding seat 6. At this time, the staff rotates the rotating seat 3 on the detection room 1, so that the limit block 36 on the rotating seat 3 is misaligned with the matching groove 35 on the I-shaped sliding seat 6, thereby limiting and locking the I-shaped sliding seat 6 in the sliding track seat 23 through the rotating seat 3.

[0021] After the I-shaped sliding seat 6 is limited and locked, the staff in the inspection room 1 exits from the inspection chamber 14 and simultaneously closes the interior of the inspection chamber 14 through the tempered glass door 2. Finally, the staff rotates the rotating seat 3 on the inspection room 1. The rotating seat 3 drives the limit block 36 thereon to rotate synchronously while rotating. The limit block 36 matches with the matching groove 35 on the I-shaped sliding seat 6 while rotating, thereby releasing the limit lock of the rotating seat 3 on the I-shaped sliding seat 6 in the sliding track seat 23. At this time, the limit of the force storage spring 30 on the I-shaped sliding seat 6 disappears and opens synchronously. The force storage spring 30 pushes the rotating seat 3 to slide in the sliding track seat 23 while opening. The I-shaped sliding seat 6 drives the connecting seat 7 at its bottom and the counterweight block 8 on the vertical rod 33 to impact the new energy battery on the bearing platform 19 while sliding, thereby simulating the scene that the new energy vehicle is suddenly hit by a reversing car in front during driving.

[0022] The impact test mechanism includes a bottom wall slide 17, a bottom wall slide 17 is provided on one side of the middle of the bottom wall of the detection chamber 14, a support seat 16 is slidably connected in the bottom wall slide 17, a bearing platform 19 is rotatably connected to the middle of the top of the support seat 16, a horizontal fixing seat 15 is provided at the four corners of the outer wall of the bearing platform 19, a vertical fixing seat 22 is provided in the middle of the front and rear sides of the bearing platform 19, a bottom card slot 47 and a vertical card slot 48 are respectively provided in the middle of the top of the bearing platform 19, which are respectively used to fix the bottom of the new energy battery in a vertical placement state and an inclined placement state, a servo motor 18 is provided in the middle and upper part of the inner side of the support seat 16, and the output end of the servo motor 18 is connected to the middle part of the bearing platform 19, an adjusting rod 20 is fixedly connected to the middle and upper part of the inner wall of the detection chamber 14 close to the support seat 16, and the end of the adjusting rod 20 away from the detection chamber 14 is respectively connected to the corresponding position of one side of the side support seat 21.

[0023] After completing the preliminary impact test on the new energy battery, the staff can also control the servo motor 18 in the support seat 2 16 through the control device to start. When the servo motor 18 is started, the rotating shaft on it drives the support platform 19 on the support seat 2 16 and the new energy battery thereon to rotate synchronously, so that the position where the new energy battery on the support platform 19 is impacted is changed to the side position, and then repeat the above operation to perform another impact test on the new energy battery on the support platform 19, so as to simulate the scene when the new energy vehicle is suddenly rear-ended or hit from the front or rear during driving.

[0024] After the above test is completed, the staff can also vertically place the new energy battery on the carrier 19 in the vertical slot 48 and fix it through the vertical fixing seat 22, and then repeat the above impact operation after the new energy battery is fixed, so as to simulate the impact or vibration wave generated by the vertical fall or other impact of the new energy vehicle during driving. Afterwards, the staff can also take out the new energy battery in the vertical slot 48 and place it in the bottom slot 47 on the supporting platform 19, and then the staff adjusts the length of the adjusting rod 20 in the detection cavity 14. When adjusting, the adjusting rod 20 simultaneously drives the side support seat 21 thereon to move. When the side support seat 21 contacts the rear surface of the new energy battery, the staff limits and fixes the adjusting rod 20, and then repeats the above-mentioned impact operation, so as to simulate the impact or vibration wave generated by the new energy vehicle when it rolls and falls on the new energy battery.

[0025] Please see attached Figure 6 - Attachment Fig. 9, an adaptation and adjustment mechanism, which is arranged at one side of the middle part of the bottom end of the detection chamber 14, and is used to adapt and adjust the weight and material of the counterweight during the new energy battery test; The adaption adjustment mechanism includes a support seat 12, a support seat 12 is fixedly connected to one side of the bottom end of the detection chamber 14 near the rotating seat 3, a counterweight turntable 13 is rotatably connected to the top of the support seat 12, a stepper motor 45 is arranged at the middle and upper part of the inner side of the support seat 12, and the output end of the stepper motor 45 is connected to the middle part of the bottom end of the counterweight turntable 13, and a plurality of counterweight placement slots 43 for placing counterweight blocks 8 of different shapes and materials are arranged in a circular array near the edge around the middle part of the top end of the counterweight turntable 13. A plurality of slots 44 are equidistantly provided at the inner bottom of the slot 43, a side wall slide 9 is provided on the inner wall of the detection chamber 14 close to the rotating seat 3, a pushing seat 10 is slidably connected to the side wall slide 9, a plurality of lifting rods 46 are equidistantly fixedly connected to the middle of one side of the pushing seat 10, and one end of the lifting rod 46 extends to the inside of the corresponding slot 44, two electric cylinders 11 are equidistantly provided in the middle and lower part of one side of the inner wall of the detection chamber 14, and the top end of the rod body of the electric cylinder 11 is respectively connected to both sides of the middle of the bottom end of the pushing seat 10.

[0026] When the adaptation and adjustment mechanism is started, in order to simulate the use of new energy batteries in new energy vehicles after being hit by cars at different speeds, the staff starts the stepper motor 45 in the support seat 12 through the control device. The rotating shaft of the stepper motor 45 drives the counterweight turntable 13 on it and the counterweight blocks 8 of different masses and shapes in the counterweight placement groove 43 to move synchronously while rotating. When the required counterweight block 8 moves to the position of the pushing seat 10, the electric cylinder 11 in the detection cavity 14 is started, and the rod body on the electric cylinder 11 is raised and pushed out. While the rod body on the electric cylinder 11 is raised and pushed out, it drives the pushing seat 10 and the lifting rod 46 thereon to slide synchronously in the side wall slide 9. The lifting rod 46 rises in the corresponding position slot 44 while moving upward, and synchronously lifts the counterweight block 8 in the corresponding position counterweight placement groove 43. When multiple overlapping counterweight blocks 8 move upward, the vertical rod 33 on the connecting seat 7 is inserted into the plug hole 37 of the counterweight block 8.

[0027] The adaptor and adjustment mechanism also includes an adjustment control seat 31, an adjustment control seat 31 is arranged in the middle of one side of the connecting seat 7, a plurality of electromagnet seats 32 are equidistantly arranged on the side of the adjustment control seat 31 close to the counterweight block 8, a plurality of through holes 34 are equidistantly opened in the middle of the inner side of the counterweight block 8, a movable cavity 40 is opened in the middle of the inner side of the counterweight block 8, a plug-in hole 37 is vertically opened in the middle of the inner side of the counterweight block 8, and the interior of the plug-in hole 37 is respectively connected with the interior of the movable cavity 40 at the corresponding position, a magnetic seat 38 is arranged on the side of the inner wall of the movable cavity 40 away from the adjustment control seat 31, a movable seat 41 is arranged on the inner side of the movable cavity 40 close to the adjustment control seat 31, a magnet block 42 is arranged in the middle of both ends of the movable seat 41, and a limit block 2 39 is arranged at the position of the inner bottom of the movable cavity 40 close to the magnetic seat 38.

[0028] In the original state, the magnetism between the electromagnet seat 32 on the adjustment control seat 31 and the magnet block 42 on the adjacent side of the moving seat 41 is opposite, so when the counterweight block 8 is not in use, the moving seat 41 in the counterweight block 8 is located on the side of the moving cavity 40 close to the adjustment control seat 31. When the counterweight block 8 is installed on the vertical rod 33, the moving seat 41 in the moving cavity 40 will not limit the vertical rod 33 inserted into the plug hole 37. Then, when the electromagnet seat 32 is energized for magnetic conversion, the magnetic base 38 originally located away from the magnetic base 38 is moved. The movable seat 41 is moved by the repulsive force and inserted into the through hole 34 at the corresponding position of the vertical rod 33, thereby locking and limiting the counterweight block 8 on the vertical rod 33. During the use of the counterweight block 8, due to the anisotropic attraction between the magnetic seat 38 and the magnet block 42 on the adjacent side of the movable seat 41, when the counterweight block 8 performs an impact operation, the movable seat 41 will not be reset by the vibration impact force. At the same time, the friction between the movable seat 41 and the through hole 34 will also resist the reset of the movable seat 41, thereby ensuring that the counterweight block 8 will not decompose during use.

[0029] At this time, the staff sends a control signal to the adjustment control seat 31 on the connecting seat 7 through the remote control device. After receiving the control signal, the corresponding position and the corresponding number of electromagnet seats 32 on the adjustment control seat 31 are started. The electromagnet seats 32 are energized and the magnetism changes while starting, so that the magnet block 42 on the side of the electromagnet seat 32 on the moving seat 41 close to the electromagnet seat 32 becomes magnetically the same, and the magnet block 42 on the side of the moving seat 41 away from the electromagnet seat 32 and the magnetic seat 38 are magnetically opposite. According to the principle that like repels like and opposites attract, a repulsive force is generated between the electromagnet seat 32 and the magnet block 42 on the adjacent side of the moving seat 41, and the repulsive force generated pushes the moving seat 41 to slide in the moving cavity 40.

[0030] At the same time, the suction force generated between the magnetic seat 38 and the magnet block 42 on the adjacent side also synchronously attracts the moving seat 41 to slide in the moving cavity 40. While sliding, the moving seat 41 passes through the through hole 34 at the corresponding position on the vertical rod 33 and is limited by the limit block 2 39, thereby completing the locking of the counterweight block 8 on the vertical rod 33, and then repeating the test operation of the above-mentioned impact test mechanism. When the I-shaped sliding seat 6 moves, it can drive the connecting seat 7 at the bottom thereof and the corresponding positions and corresponding numbers of locked counterweight blocks 8 on the vertical rod 33 to move synchronously for impact testing, thereby simulating and testing the use of new energy batteries of new energy vehicles after being hit by other vehicles of different types and at different speeds, thereby completing the adaptation and adjustment of the counterweight during the impact test.

[0031] Please refer to the attached Fig.11 - Attachment Fig.13 , a gravel impact mechanism, which is arranged at the middle and rear side of the top of the detection cavity 14, and is used for simulating a gravel impact test process on the new energy battery; The stone crushing impact mechanism includes a temporary storage box 29, and the temporary storage box 29 is fixedly connected to one side of the middle and rear part of the top of the detection chamber 14. A high-pressure air pump 4 is provided on one side of the middle and rear part of the top of the detection room 1, and the exhaust port of the high-pressure air pump 4 is connected to the interior of the temporary storage box 29 through a connecting pipe. A plurality of universal ring seats 28 are equidistantly arranged on one side of the temporary storage box 29, and a mounting cylinder 27 is provided in the middle part of the interior of the universal ring seat 28, and the interior of the mounting cylinder 27 is connected to the interior of the temporary storage box 29.

[0032] When the stone crushing simulation mechanism is started, the staff first places the new energy battery on the supporting platform 19 vertically and fixes it through the vertical fixing seat 22 thereon, and then the staff pushes the support seat 16 and the new energy battery on the supporting platform 19 to move within the bottom wall slide 17, and stops moving when the battery moves to the position corresponding to the installation cylinder 27.

[0033] The stone crushing impact mechanism also includes a piston seat 50, which is slidably connected to the piston seat 50 on one side of the interior of the mounting cylinder 27, and a sealing rubber sleeve 51 is provided in the middle of the outer wall of the piston seat 50. A plurality of mounting cavities 54 are arranged in a circular array on one side of the interior of the mounting cylinder 27, and an inclined sliding seat 52 is slidably connected to the interior of the mounting cavity 54 near the inner wall of the mounting cylinder 27, and a supporting spring 53 is provided in the interior of the mounting cavity 54 near the outer wall of the mounting cylinder 27. A limiting clamping ring 49 is fixedly connected to one side of the inner wall of the mounting cylinder 27 away from the temporary storage box 29, and stone crushing simulation blocks 55 of different sizes and masses are respectively provided in the middle of one side of the piston seat 50 near the limiting clamping ring 49.

[0034] Then the staff controls the high-pressure air pump 4 on the detection room 1 through the control device to turn on. After turning on, the high-pressure air pump 4 injects high-pressure gas into the temporary storage box 29 through the connecting pipe. As the pressure in the temporary storage box 29 continues to increase, the high-pressure gas in the temporary storage box 29 enters the installation cylinder 27 at various positions and squeezes the piston seat 50 therein to move synchronously. As the pressure in the temporary storage box 29 continues to increase, the piston seat 50 in the installation cylinder 27 is pushed by the high-pressure gas to move slowly in the installation cylinder 27.

[0035] Then, as the piston seat 50 keeps moving, the piston seat 50 synchronously squeezes the inclined plane slide 52 to move toward the outer wall direction of the mounting cylinder 27. The inclined plane slide 52 synchronously squeezes the supporting spring 53 in the mounting chamber 54 to shrink it while moving. When the inclined plane slide 52 completely releases the control of the piston seat 50, the restriction on the piston seat 50 disappears, and the high-pressure gas in the temporary storage box 29 enters the mounting cylinder 27 to push the piston seat 50 to move outward at high speed. The piston seat 50 drives the gravel simulation block 55 thereon to move while moving. When the piston seat 50 hits the limiting clamp ring 49 in the mounting cylinder 27, the gravel simulation block 55 on the piston seat 50 separates from it and continues to fly toward the new energy battery on the bearing platform 19 through inertial force and hits it, thereby simulating the impact of gravel on the new energy vehicle. At the same time, the staff can also adjust the angle and position of the gravel through the universal ring seat 28 on the mounting cylinder 27, thereby realizing the all-round gravel impact simulation processing of the new energy battery, thereby completing the gravel impact test processing of the new energy battery.

[0036] When the piston seat 50 is in use, a sealing rubber sleeve 51 is added thereon. On the one hand, it is to improve the sealing performance of the piston seat 50 during use, thereby ensuring that it provides sufficient thrust for the gravel simulation block 55 during use. On the other hand, it is also to increase the friction between the piston seat 50 and the inner wall of the mounting tube 27, thereby increasing the initial speed of the piston seat 50 when the limit is released.

[0037] Please refer to the attached Fig.14 , a safety protection mechanism is arranged at the rear side of the testing room 1, and is used to perform safety protection processing on the testing room 1 during the testing of the new energy battery.

[0038] The safety protection mechanism includes a pressure swing adsorption nitrogen generator 5. The pressure swing adsorption nitrogen generator 5 is arranged at the lower middle part of the rear side of the detection room 1, and the nitrogen exhaust port of the pressure swing adsorption nitrogen generator 5 is connected with the interior of the detection cavity 14 through a connecting pipe. Silicone sealing strips are arranged at the edges of the tempered glass door 2.

[0039] When the safety protection mechanism is activated, during the test of the new energy battery, the detection chamber 14 in the detection room 1 is sealed by the tempered glass door 2 and the silicone sealing strip thereon, and then the pressure swing adsorption nitrogen generator 5 on the detection room 1 continuously injects nitrogen into the detection chamber 14 through the connecting pipe, thereby reducing the internal oxygen content of the detection chamber 14 and enriching the nitrogen. By reducing the oxygen content in the detection chamber 14, the probability of fire and combustion of the new energy battery in the detection chamber 14 is reduced.

[0040] The safety protection mechanism includes a sand storage box 25. The sand storage box 25 is arranged on one side of the middle part of the top of the detection cavity 14. A sand storage cavity 56 is arranged on the inner middle and upper part of the sand storage box 25. A plurality of hollow sand storage rollers 59 are equidistantly connected to the inner middle and lower part of the sand storage box 25 for rotation. One end of the hollow sand storage roller 59 passes through the sand storage box 25 and extends outward. The outer end of the hollow sand storage roller 59 is connected through a synchronous belt 24. A plurality of groups of matching sand outlet holes 60 are equidistantly provided on the outer wall of the hollow sand storage roller 59. A driving motor 26 is arranged on one side of the middle part of the rear end of the sand storage box 25. The output end of the driving motor 26 passes through the sand storage box 25 and is connected to the middle part of one end of the hollow sand storage roller 59 at the corresponding position. A plurality of groups of connecting holes 57 are equidistantly provided at the bottom of the sand storage cavity 56, and a plurality of groups of scattered holes 58 are equidistantly provided at the bottom of the sand storage box 25.

[0041] If a fire occurs during the test of the new energy battery, the staff controls the drive motor 26 on the drive motor 26 through the remote control device to start, and the shaft of the drive motor 26 drives the hollow sand storage roller 59 at the corresponding position in the sand storage box 25 to rotate synchronously while rotating, so that the connecting hole 57, the matching sand outlet hole 60 and the dispersion hole 58 that were originally in a dislocated state are connected, and the hollow sand storage roller 59 drives the hollow sand storage rollers 59 at other positions to rotate synchronously through the synchronous belt 24 while rotating, and while the hollow sand storage roller 59 rotates, the sand in the hollow sand storage roller 59 is sequentially dispersed through the matching sand outlet hole 60 thereon and the dispersion hole 58 at the bottom of the sand storage box 25 and scattered on the new energy battery on the supporting platform 19 to extinguish the fire, and while the hollow sand storage roller 59 rotates, the sand in the sand storage cavity 56 is supplemented into the hollow sand storage roller 59 when the connecting hole 57 and the matching sand outlet hole 60 are connected, so as to achieve fire extinguishing treatment at the fire position of the new energy battery.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An external force detection device for new energy batteries, characterized in that: include The detection room (1) is a basic component of the overall device, and is provided with a detection cavity (14) therein for assembling and carrying various processing mechanisms and their subordinate structural components; A tempered glass door (2) is arranged at the upper middle part of the front side of the testing room (1) and is used for staff to enter and exit the testing room (1) and observe the new energy battery when testing it; An impact testing mechanism, which is arranged in the middle of the top wall of the detection chamber (14) and is used to perform instantaneous impact resistance external force testing on the new energy battery at different angles and in different states; An adaption adjustment mechanism, which is arranged at one side of the middle portion of the bottom end of the detection chamber (14) and is used to adapt and adjust the weight and material of the counterweight during the new energy battery test; A gravel impact mechanism, which is arranged at the middle and rear side of the top of the detection cavity (14) and is used to perform a simulated test process of gravel impact on the new energy battery; The safety protection mechanism is arranged at the rear side of the testing room (1) and is used to perform safety protection processing on the testing room (1) during the testing of the new energy battery.

2. The external force resistance detection device for new energy batteries according to claim 1 is characterized in that: The impact test mechanism comprises a bottom wall slideway (17), a bottom wall slideway (17) is provided on one side of the middle of the bottom wall of the detection chamber (14), a support seat 2 (16) is slidably connected in the bottom wall slideway (17), a bearing platform (19) is rotatably connected to the middle of the top of the support seat 2 (16), a horizontal fixing seat (15) is provided at the four corners of the outer wall of the bearing platform (19), a vertical fixing seat (22) is provided at the middle of the front and rear sides of the bearing platform (19), and a bottom card slot (4) is provided in the middle of the top of the bearing platform (19). 7) and a vertical slot (48), respectively used to fix the bottom of the new energy battery in a vertical placement state and an inclined placement state, a servo motor (18) is provided at the middle and upper part of the inner side of the support seat (16), and the output end of the servo motor (18) is connected to the middle part of the support platform (19), an adjustment rod (20) is fixedly connected to the middle and upper part of the inner wall of the detection cavity (14) close to the support seat (16), and the end of the adjustment rod (20) away from the detection cavity (14) is respectively connected to the corresponding position of one side of the side support seat (21).

3. The external force resistance detection device for new energy batteries according to claim 2 is characterized in that: The impact test mechanism further comprises a sliding track seat (23), the sliding track seat (23) being fixedly connected to the middle of the top end of the inner wall of the detection chamber (14), the I-shaped sliding seat (6) being slidably connected to the middle of the bottom end of the sliding track seat (23), the middle and upper part of the I-shaped sliding seat (6) being provided with a matching groove (35), the middle and upper part of one side of the outer wall of the detection chamber (1) being rotatably connected to the rotating seat (3), and one end of the rotating seat (3) sequentially passes through the sliding track seat (23) and the matching groove (35) and extends outward, one end of the rotating seat (3) being fixedly connected to a limiting block (36), two force storage springs (30) being equidistantly arranged at the middle and upper part of one side of the I-shaped sliding seat (6) close to the rotating seat (3), the bottom end of the I-shaped sliding seat (6) being fixedly connected to a connecting seat (7), the middle part of the bottom end of the connecting seat (7) being fixedly connected to a vertical rod (33), and a plurality of counterweights (8) being equidistantly arranged on the vertical rod (33).

4. The external force resistance detection device for new energy batteries according to claim 3 is characterized in that: The adapting and adjusting mechanism comprises a support seat (12), a support seat (12) being fixedly connected to a side of the bottom end of the detection chamber (14) close to the rotating seat (3), a counterweight turntable (13) being rotatably connected to the top end of the support seat (12), a stepping motor (45) being arranged at the middle and upper part of the inner side of the support seat (12), and an output end of the stepping motor (45) being connected to the middle part of the bottom end of the counterweight turntable (13), a plurality of counterweight placement slots (43) for placing counterweight blocks (8) of different shapes and materials being arranged in a circular array near the edge around the middle part of the top end of the counterweight turntable (13), and the counterweight placement slots (43) being arranged at the top end of the counterweight turntable (13) and the counterweight placement slots (43) being arranged at the bottom end of the counterweight turntable (13) and the counterweight placement slots (43) being arranged at the bottom end of the counterweight turntable (13) and the counterweight placement slots (43) being arranged at the top end of the counterweight turntable (13) and the counterweight placement slots (43) being connected to the counterweight blocks (8) of different shapes and materials being connected to the counterweight blocks (8) of different materials being connected to the counterweight turntable (13) and the counterweight placement slots (43) being connected to the counterweight blocks (8) of different shapes and ... A plurality of slots (44) are equidistantly provided at the bottom inner side of the slot (43); a side wall slideway (9) is provided on the inner wall of the detection chamber (14) on the side close to the rotating seat (3); a push seat (10) is slidably connected to the side wall slideway (9); a plurality of lifting rods (46) are equidistantly fixedly connected to the middle of one side of the push seat (10), and one end of each lifting rod (46) extends to the inside of the corresponding slot (44); two electric cylinders (11) are equidistantly provided at the middle and lower part of one side of the inner wall of the detection chamber (14); the top ends of the rod bodies of the electric cylinders (11) are respectively connected to both sides of the middle of the bottom end of the push seat (10).

5. The external force resistance detection device for new energy batteries according to claim 3 is characterized in that: The adaptable adjustment mechanism further comprises an adjustment control seat (31), the adjustment control seat (31) being arranged in the middle of one side of the connection seat (7), a plurality of electromagnet seats (32) being arranged equidistantly on a side of the adjustment control seat (31) close to the counterweight block (8), a plurality of through holes (34) being equidistantly opened in the middle of the vertical rod (33), a movable cavity (40) being opened in the middle of the inner side of the counterweight block (8), a plug-in hole (37) being vertically opened in the middle of the inner side of the counterweight block (8), and the plug-in hole (37) being arranged in the middle of the inner side of the counterweight block (8). The interior of the hole (37) is respectively communicated with the interior of the movable cavity (40) at the corresponding position; a magnetic seat (38) is provided on the inner wall side of the movable cavity (40) away from the adjustment control seat (31); a movable seat (41) is provided on the inner side of the movable cavity (40) close to the adjustment control seat (31); magnet blocks (42) are provided in the middle of both ends of the movable seat (41); and a second limit block (39) is provided at the inner bottom of the movable cavity (40) close to the magnetic seat (38).

6. The external force resistance detection device for new energy batteries according to claim 1 is characterized in that: The stone crushing impact mechanism comprises a temporary storage box (29), one side of the middle and rear part of the top of the detection chamber (14) is fixedly connected to the temporary storage box (29), a high-pressure air pump (4) is arranged on one side of the middle and rear part of the top of the detection room (1), and the pressure discharge port of the high-pressure air pump (4) is connected to the interior of the temporary storage box (29) through a connecting pipe, a plurality of universal ring seats (28) are arranged at equal intervals on one side of the temporary storage box (29), the middle part of the interior of each universal ring seat (28) is provided with a mounting tube (27), and the interior of the mounting tube (27) is connected to the interior of the temporary storage box (29).

7. The external force resistance detection device for new energy batteries according to claim 6 is characterized in that: The stone crushing impact mechanism further comprises a piston seat (50), one side of the interior of the mounting cylinder (27) is slidably connected to the piston seat (50), a sealing rubber sleeve (51) is provided in the middle of the outer wall of the piston seat (50), a plurality of mounting cavities (54) are arranged in a circumferential array on one side of the interior of the mounting cylinder (27), an inclined sliding seat (52) is slidably connected to the interior of the mounting cavity (54) at a position close to the inner wall of the mounting cylinder (27), a supporting spring (53) is provided in the interior of the mounting cavity (54) at a position close to the outer wall of the mounting cylinder (27), a limiting clamping ring (49) is fixedly connected to the inner wall of the mounting cylinder (27) at one side of the interior of the mounting cylinder (27) away from the temporary storage box (29), and stone crushing simulation blocks (55) of different sizes and masses are respectively provided in the middle of one side of the piston seat (50) close to the limiting clamping ring (49).

8. The external force resistance detection device for new energy batteries according to claim 1 is characterized in that: The safety protection mechanism comprises a pressure swing adsorption nitrogen generator (5), the pressure swing adsorption nitrogen generator (5) is arranged at the lower middle part of the rear side of the detection room (1), and the nitrogen exhaust port of the pressure swing adsorption nitrogen generator (5) is connected to the interior of the detection chamber (14) through a connecting pipe, and the edges of the tempered glass door (2) are provided with silicone sealing strips.

9. The external force resistance detection device for new energy batteries according to claim 8, characterized in that: The safety protection mechanism comprises a sand storage box (25), the sand storage box (25) is arranged on one side of the middle part of the top of the detection chamber (14), a sand storage chamber (56) is arranged in the middle and upper part of the inner side of the sand storage box (25), a plurality of hollow sand storage rollers (59) are rotatably connected to the inner middle and lower part of the sand storage box (25) at equal intervals, one end of the hollow sand storage roller (59) passes through the sand storage box (25) and extends outward, and the outer end of the hollow sand storage roller (59) is connected to the detection chamber (14) through a synchronous belt (24). The outer wall of the hollow sand storage roller (59) is provided with a plurality of groups of matching sand outlet holes (60) at equal intervals, a driving motor (26) is provided on one side of the middle portion of the rear end of the sand storage box (25), and the output end of the driving motor (26) passes through the sand storage box (25) and is connected to the middle portion of one end of the hollow sand storage roller (59) at a corresponding position, a plurality of groups of connecting holes (57) are provided at equal intervals at the bottom of the sand storage cavity (56), and a plurality of groups of dispersed holes (58) are provided at equal intervals at the bottom of the sand storage box (25).

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