New energy power performance test bench

Abstract

The invention relates to the technical field of new energy power testing, and discloses a new energy power performance testing rack which comprises a rack end plate, a new energy power driving mechanism, an air cooling mechanism, a vibration noise monitoring mechanism, an infrared temperature monitoring mechanism, a rotating speed monitoring mechanism and a torque monitoring mechanism. The output end of the new energy power driving mechanism is connected with a driving shaft rod, and the air cooling mechanism is located outside the new energy power driving mechanism and installed at the upper end of the rack end plate. The vibration noise monitoring mechanism is arranged around the front part of the new energy power driving mechanism; the infrared temperature monitoring mechanism is arranged above the rear part of the new energy power driving mechanism and is fixedly arranged at the rear end of the air cooling mechanism; the rotating speed monitoring mechanism and the torque monitoring mechanism are both arranged outside the driving shaft rod and installed at the upper end of the extension plate. According to the invention, rapid dismounting and mounting are facilitated for performance testing, manual intervention and data processing time are greatly reduced, and testing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy power test, and particularly to a new energy power performance test bench. Background Art

[0002] The new energy power performance test is a key link in evaluating the performance of the new energy vehicle power system. By simulating actual driving conditions, the performance of the core components of the drive motor is evaluated to ensure the efficient, stable and safe operation of the new energy vehicle under different working conditions. The test standards are strict and the methods are diverse, which is of great significance for improving the overall performance of the new energy vehicle.

[0003] At present, the new energy power performance test requires manual operation and long-time data processing, and the accuracy and real-time performance of the test are insufficient. There is a lack of accurate temperature detection to achieve temperature control for the new energy power performance test, and it is impossible to test the new energy power performance in multiple aspects, resulting in low test efficiency, poor stability of the test environment and high maintenance costs. Therefore, corresponding technical solutions need to be designed to solve this problem. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a new energy power performance test bench to solve its technical problems.

[0005] To achieve the above object, the present invention is realized through the following technical solutions: A new energy power performance test bench includes a bench end plate, a new energy power drive mechanism, an air-cooling mechanism, a vibration and noise monitoring mechanism, an infrared temperature monitoring mechanism, a rotational speed monitoring mechanism and a torque monitoring mechanism. The rear end of the bench end plate is fixedly connected with an extension plate and is of an integrated structure. Support legs are fixedly provided at the bottom corners of the bench end plate and the extension plate to stably support the whole bench end plate and the extension plate; The new energy power drive mechanism is installed on the upper end of the bench end plate. The output end of the new energy power drive mechanism is connected with a drive shaft rod. The air-cooling mechanism is located outside the new energy power drive mechanism and is installed on the upper end of the bench end plate; The vibration and noise monitoring mechanism is arranged around the front part of the new energy power drive mechanism; The infrared temperature monitoring mechanism is arranged above the rear part of the new energy power drive mechanism and is fixedly arranged at the rear end of the air-cooling mechanism; Both the rotational speed monitoring mechanism and the torque monitoring mechanism are arranged outside the drive shaft rod and are installed on the upper end of the extension plate.

[0006] Preferably, a base is fixedly provided at the middle of the bottom of the new energy power driving mechanism. Extension seats are fixedly provided at both sides of the bottom of the new energy power driving mechanism. Bottom plates are fixedly provided at the bottoms of the base and the extension seats. The bottom plates are installed at the middle of the upper end of the gantry end plate. The base and the extension seats are used to stably support the whole new energy power driving mechanism, improve the stability of its test and avoid shaking. The bottom plates are used to install the base and the extension seats at the middle of the upper end of the gantry end plate.

[0007] Preferably, the air cooling mechanism includes an air cooling heat dissipation plate. The air cooling heat dissipation plate is in an arc plate structure and connecting pipes are connected to both ends of the front part. Sleeve barrels are fixedly provided at the front and rear ends of the bottom of the air cooling heat dissipation plate. A first support column is installed at the bottom of the sleeve barrel. A first cushion plate is fixedly provided at the bottom of the first support column. A first support rod is fixedly provided at the middle of the bottom of the air cooling heat dissipation plate. The first cushion plate is installed at the upper end of the gantry end plate. The lower end of the first support rod is installed in an inclined structure at the outer end of the extension seat. The connecting pipes are used to connect the power supply for heat dissipation. The arc plate-structured air cooling heat dissipation plate is used to efficiently dissipate heat above the new energy power driving mechanism. The sleeve barrels are used to install the air cooling heat dissipation plate above the first support column. The first support column and the first cushion plate are used to install the sleeve barrels and the air cooling heat dissipation plate at the upper end of the gantry end plate. The first support rod with an inclined lower end is used to install the air cooling heat dissipation plate at the outer end of the extension seat.

[0008] Preferably, the vibration and noise monitoring mechanism includes a support ring plate, a noise monitor, a first support rod frame, a vibration sensor and a vibration and noise monitoring device. The first support rod frame is fixedly distributed in an L shape at both ends of the bottom of the support ring plate, and the bottom of the first support rod frame is installed on both sides of the gantry end plate. The noise monitors are fixedly distributed on the top of the support ring plate. The vibration sensors are installed at the outer ends of the extension seats. The vibration and noise monitoring devices are electrically connected to the lower sides of the noise monitors and the vibration sensors through wires. An installation plate is fixedly provided at the top of the vibration and noise monitoring device. The installation plate is installed at the bottom of the gantry end plate. The installation plate is used to install the vibration and noise monitoring device at the bottom of the gantry end plate to supply power and control multiple vibration sensors and noise monitors. Multiple L-shaped first support rod frames are used to stably support the support ring plate. The support ring plate is used to upwardly install multiple noise monitors. The noise monitors are used to detect the noise emitted by the new energy power driving mechanism in multiple directions. The vibration and noise monitoring device is used to be installed at the outer end of the extension seat to detect the vibration frequency emitted by the new energy power driving mechanism.

[0009] Preferably, the infrared temperature monitoring mechanism includes an extension column, a positioning plate, an infrared temperature sensor, a connecting ring, and a temperature monitoring device. The extension column is fixedly arranged between the upper end inside the positioning plate and the air cooling mechanism. The infrared temperature sensor is arranged at the lower end of the positioning plate. A power output port is arranged at the outer end of the infrared temperature sensor. The connecting ring is connected between the power output ports. A power cord is connected above the connecting ring, and the power cord is electrically connected to the temperature monitoring device. The extension column is used to extend and fix the positioning plate outward. The infrared temperature sensor is used to detect the temperature of the new energy power drive mechanism at multiple positions. The connecting ring is used to connect multiple groups of power output ports. The power cord is used to electrically connect the temperature monitoring device. The temperature monitoring device is used to display the real-time detected value.

[0010] Preferably, the rotation speed monitoring mechanism includes a fixing ring, a second support rod frame, a rotation speed sensor, an installation cylinder, a first fixing frame, and a rotation speed monitoring device. The fixing ring has an annular structure. The installation cylinders are installed and distributed above the fixing ring. The rotation speed sensor penetrates and is connected inside the installation cylinder. The first fixing frame is fixedly arranged at the top of the fixing ring. The rotation speed monitoring device is arranged at the upper end of the first fixing frame and is electrically connected to the rotation speed sensor. The second support rod frames are fixedly distributed at both ends of the bottom of the fixing ring. The bottom of the second support rod frame is fixedly arranged on the second cushion plate. The second cushion plate is installed at the upper end of the extension plate. The second support rod frame and the second cushion plate stably support the fixing ring at the upper end of the extension plate. The first fixing frame is used to install the rotation speed monitoring device. The rotation speed monitoring device is used to supply power and control multiple groups of rotation speed sensors. The rotation speed sensors are used to detect the rotation speed of the drive shaft rod at multiple positions. The fixing ring with an annular structure is used to fixedly arrange multiple groups of rotation speed sensors in a ring shape.

[0011] Preferably, the torque monitoring mechanism includes a torque sensor and a second fixing frame. The torque sensor is arranged outside the drive shaft rod. Installation convex plates are fixedly distributed at the bottom of the torque sensor. The installation convex plates are installed at the upper end of the second fixing frame, and the second fixing frame is fixedly arranged in an N-shaped structure at the upper end of the extension plate. The second fixing frame is used to support the installation convex plate upward. The installation convex plates are used to install the torque sensor above the N-shaped second fixing frame. The torque sensor is used to detect the torque of the drive shaft rod.

[0012] Preferably, a braking and locking mechanism is provided at the outer end of the drive shaft rod. The braking and locking mechanism includes a support frame and a bracket. At both ends of the front part of the support frame, there are fixed clamping plates in a U-shaped structure. The clamping plates are clamped and installed at the rear end of the second fixing frame. At both ends of the bottom of the support frame, there are fixed struts two in an italic structure. The struts two are installed at the upper end of the extension plate. The bracket is in a semi-circular structure and is arranged at the lower end of the drive shaft rod. A support is fixed at the bottom of the bracket. The support is fixed at the upper end of the support frame. The clamping plates in a U-shaped structure are used to clamp and install the support frame to the rear end of the second fixing frame. The struts two are used to install the support frame to the upper end of the extension plate. The support is used to support the bracket to the upper end of the support frame.

[0013] Preferably, the braking and locking mechanism further includes a first brake pad, an electro-hydraulic device two, and a second brake pad. At the middle of both sides of the bracket near the upper end, there are open slots. At both ends of the top of the bracket, there are fixedly distributed second struts. At the top of the second struts, there is a fixed top plate. An electro-hydraulic device one is installed at the upper end of the top plate. The bottom of the electro-hydraulic device one is connected through a hydraulic column one. The first brake pad is installed at the bottom of the hydraulic column one. At both side ends of the top plate, there are fixed outer plates in an inverted L-shaped structure. The electro-hydraulic device two is installed at the lower end of the outer plates. The inner end of the electro-hydraulic device two is connected with a hydraulic column two. The second brake pad is installed at the inner side end of the hydraulic column two. The second brake pad is movably connected to the open slots. The inner ends of the first brake pad and the second brake pad are both in an arc structure and the inner sides are all in a rounded corner structure. Multiple groups of second struts are used to support and fix the top plate upward. The top plate is used to fix the electro-hydraulic device one. The electro-hydraulic device one and the hydraulic column one are used to automatically expand and contract to adjust the height of the first brake pad. The top plate is also used to fix the outer plates on both sides. The outer plates are used to install the electro-hydraulic device two. The electro-hydraulic device two and the hydraulic column two are used to automatically expand and contract to adjust the position of the second brake pad. The open slots are used to limit and adjust the movement of the second brake pad. The first brake pad and the second brake pad with an arc-shaped inner end and a rounded corner structure on the inner side make the braking effect of pressing the outside of the drive shaft rod better and avoid scratching.

[0014] Preferably, a collar is rotatably connected to the outside of the drive shaft rod. At the bottom of the outside of the collar, there is a fixed vertical rod. At the bottom of the vertical rod, there is a fixed support block. At both ends of the support block, there are fixed cross bars. The cross bars are installed between the interiors of the support frame. The cross bars are used to install the support block, the vertical rod, and the collar between the interiors of the support frame. The support block is used to support the vertical rod and the collar upward. The collar is used to stably support the rotation of the drive shaft rod, reduce the shaking during testing, and is stable and reliable.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: By installing a new energy power drive mechanism and a drive shaft rod at the upper end of the bench end plate, it is convenient for quick disassembly and assembly for performance testing. By providing an air-cooling mechanism above the new energy power drive mechanism, it meets the heat dissipation requirements during high-load operation, ensures the rapid dissipation of heat, and guarantees the heat dissipation efficiency during the testing of the new energy power drive mechanism; By providing an infrared temperature monitoring mechanism behind the new energy power drive mechanism to continuously monitor the temperature change of the power system, it effectively prevents performance degradation or failures caused by overheating, ensures the safety and reliability of the testing, and realizes precise temperature control of the power system in combination with the air-cooling mechanism, improving the stability and controllability of the testing environment; By providing a vibration and noise monitoring mechanism around the front of the new energy power drive mechanism, it can accurately capture the vibration characteristics and noise levels of the power system during operation; By providing a rotational speed monitoring mechanism and a torque monitoring mechanism outside the drive shaft rod, it can accurately test the torque output and rotational speed response of the new energy power drive mechanism under different conditions, providing direct and crucial data for evaluating its power performance, and comprehensively analyzing the stability and efficiency of power output by simulating various load conditions; By providing a braking and locking mechanism at the end of the drive shaft rod, on the one hand, it can quickly and smoothly lock the drive shaft rod when needed to prevent accidental rotation and ensure the safety and controllability of the testing process. On the other hand, it can brake the drive shaft rod to test the driving performance of the new energy power drive mechanism, enhancing the versatility and adaptability of the testing; Greatly reducing manual intervention and data processing time, improving the testing efficiency, reducing the maintenance cost, and ensuring the long-term stable operation of the test bench. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural view of the upper front view of the whole of the present invention; Figure 2 It is a schematic structural view of the upper rear view of the whole of the present invention; Figure 3 It is a rear view of the new energy power drive mechanism, air-cooling mechanism, vibration and noise monitoring mechanism, and infrared temperature monitoring mechanism of the present invention; Figure 4 It is a front view of the new energy power drive mechanism, air-cooling mechanism, and vibration and noise monitoring mechanism of the present invention; Figure 5 It is a schematic installation structure view of the new energy power drive mechanism of the present invention; Figure 6 It is a schematic overall structure view of the air-cooling mechanism of the present invention; Figure 7 It is a schematic overall structure view of the vibration and noise monitoring mechanism of the present invention; Figure 8 Schematic diagram of the inner end structure of the infrared temperature monitoring mechanism of the present invention; Figure 9 Schematic diagram of the outer end structure of the infrared temperature monitoring mechanism of the present invention; Figure 10 Schematic diagram of the overall structure of the rotational speed monitoring mechanism of the present invention; Figure 11 Schematic diagram of the front side of the torque monitoring mechanism and the braking and locking mechanism of the present invention; Figure 12 Schematic diagram of the rear side structure of the torque monitoring mechanism and the braking and locking mechanism of the present invention; Figure 13 Schematic diagram of the front side of the other side of the braking and locking mechanism of the present invention; Figure 14 Schematic diagram of the internal cross-sectional structure of the braking and locking mechanism of the present invention.

[0017] In the figure, 1. Bench end plate; 11. Extension plate; 12. Support leg; 2. New energy power drive mechanism; 21. Drive shaft rod; 22. Base; 23. Extension seat; 24. Bottom plate; 3. Air cooling mechanism; 31. Air cooling heat dissipation plate; 311. Connecting pipe; 32. Sleeve; 33. Support pillar 1; 34. Lining plate 1; 35. Support rod 1; 4. Vibration and noise monitoring mechanism; 41. Support ring plate; 42. Noise monitor; 43. Support rod frame 1; 44. Vibration sensor; 45. Vibration and noise monitoring device; 451. Mounting plate; 5. Infrared temperature monitoring mechanism; 51. Extension column; 511. Positioning plate; 52. Infrared temperature sensor; 53. Connecting ring; 54. Power output port; 55. Power cord; 56. Temperature monitoring device; 6. Rotational speed monitoring mechanism; 61. Fixed ring; 62. Support rod frame 2; 621. Lining plate 2; 64. Rotational speed sensor; 641. Mounting cylinder; 65. Fixed frame 1; 66. Rotational speed monitoring device; 7. Torque monitoring mechanism; 71. Torque sensor; 72. Mounting convex plate; 73. Fixed frame 2; 8. Braking and locking mechanism; 81. Support frame; 811. Support rod 2; 812. Clamping plate; 82. Bracket; 821. Support; 822. Empty slot; 83. Top plate; 831. Support pillar 2; 832. Outer plate; 84. Electric hydraulic device 1; 841. Hydraulic column 1; 842. Brake pad 1; 85. Electric hydraulic device 2; 851. Hydraulic column 2; 852. Brake pad 2; 86. Shaft collar; 861. Upright rod; 862. Support block; 863. Cross bar. Specific implementation method

[0018] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0019] Please refer to Figures 1 - 14 , the embodiments of the present invention provide a technical solution: a new energy power performance test bench, including a bench end plate 1, a new energy power drive mechanism 2, an air cooling mechanism 3, a vibration and noise monitoring mechanism 4, an infrared temperature monitoring mechanism 5, a rotational speed monitoring mechanism 6, and a torque monitoring mechanism 7. The rear end of the bench end plate 1 is fixedly connected with an extension plate 11 and is of an integrated structure. Support legs 12 are fixedly provided at the bottom corners of the bench end plate 1 and the extension plate 11 to stably support the entire bench end plate 1 and the extension plate 11; The new energy power drive mechanism 2 is installed on the upper end of the bench end plate 1. The output end of the new energy power drive mechanism 2 is connected with a drive shaft rod 21. The air cooling mechanism 3 is located outside the new energy power drive mechanism 2 and is installed on the upper end of the bench end plate 1; The vibration and noise monitoring mechanism 4 is arranged around the front part of the new energy power drive mechanism 2; The infrared temperature monitoring mechanism 5 is arranged above the rear part of the new energy power drive mechanism 2 and is fixedly arranged at the rear end of the air cooling mechanism 3; Both the rotational speed monitoring mechanism 6 and the torque monitoring mechanism 7 are arranged outside the drive shaft rod 21 and are installed on the upper end of the extension plate 11.

[0020] Further improved, a base 22 is fixedly provided at the middle of the bottom of the new energy power drive mechanism 2. Extension seats 23 are fixedly provided at both side ends of the bottom of the new energy power drive mechanism 2. Bottom plates 24 are fixedly provided at the bottoms of the base 22 and the extension seats 23. The bottom plates 24 are installed at the middle of the upper end of the bench end plate 1; The base 22 and the extension seats 23 are used to stably support the entire new energy power drive mechanism 2, improve the stability of its test, and avoid shaking. The bottom plates 24 are used to install the base 22 and the extension seats 23 at the middle of the upper end of the bench end plate 1.

[0021] Further improved, the air cooling mechanism 3 includes an air cooling heat dissipation plate 31. The air cooling heat dissipation plate 31 is of an arc-shaped plate structure, and connecting pipes 311 are connected to both front ends. Sleeve barrels 32 are fixedly provided at the front and rear ends of the bottom of the air cooling heat dissipation plate 31. A first support column 33 is installed at the bottom of the sleeve barrel 32. A first cushion plate 34 is fixedly provided at the bottom of the first support column 33. A first support rod 35 is fixedly provided at the middle of the bottom of the air cooling heat dissipation plate 31. The first cushion plate 34 is installed on the upper end of the bench end plate 1. The lower end of the first support rod 35 is installed in an inclined structure outside the extension seat 23; The connecting pipe 311 is used to connect the power supply for heat dissipation. The air-cooled heat dissipation plate 31 with an arc-shaped plate structure is used to efficiently dissipate heat above the new energy power drive mechanism 2. The sleeve 32 is used to install the air-cooled heat dissipation plate 31 above the first support column 33. The first support column 33 and the first cushion plate 34 are used to install the sleeve 32 and the air-cooled heat dissipation plate 31 on the upper end of the bench end plate 1. The first support rod 35 with an italic structure at the lower end is used to install the air-cooled heat dissipation plate 31 at the outer end of the extension base 23.

[0022] Further improved, the vibration and noise monitoring mechanism 4 includes a support ring plate 41, a noise monitor 42, a first support rod frame 43, a vibration sensor 44, and a vibration and noise monitoring device 45. The first support rod frame 43 with an L-shaped structure is fixedly distributed at both ends of the bottom of the support ring plate 41, and the bottom of the first support rod frame 43 is installed on both sides of the bench end plate 1. The noise monitor 42 is fixedly distributed on the top of the support ring plate 41; The vibration sensor 44 is installed at the outer end of the extension base 23. The vibration and noise monitoring device 45 is electrically connected to the lower sides of the noise monitor 42 and the vibration sensor 44 through wires. The top of the vibration and noise monitoring device 45 is fixedly provided with a mounting plate 451, and the mounting plate 451 is installed on the bottom of the bench end plate 1; The mounting plate 451 is used to install the vibration and noise monitoring device 45 on the bottom of the bench end plate 1 to supply power and control multiple vibration sensors 44 and the noise monitor 42. Multiple L-shaped first support rod frames 43 are used to stably support the support ring plate 41. The support ring plate 41 is used to install multiple noise monitors 42 upward. The noise monitor 42 is used to detect the noise emitted by the new energy power drive mechanism 2 in multiple directions. The vibration and noise monitoring device 45 is used to install at the outer end of the extension base 23 to detect the vibration frequency emitted by the new energy power drive mechanism 2.

[0023] Further improved, the infrared temperature monitoring mechanism 5 includes an extension column 51, a positioning plate 511, an infrared temperature sensor 52, a connecting ring 53, and a temperature monitoring device 56. The extension column 51 is fixedly arranged between the inner upper end of the positioning plate 511 and the air-cooling mechanism 3. The infrared temperature sensor 52 is arranged at the lower end of the positioning plate 511. A power output port 54 is arranged at the outer end of the infrared temperature sensor 52. The connecting ring 53 is connected between the power output ports 54. A power cord 55 is connected above the connecting ring 53, and the power cord 55 is electrically connected to the temperature monitoring device 56; The extension column 51 is used to extend and fix the positioning plate 511 outward. The infrared temperature sensor 52 is used to detect the temperature of the new energy power drive mechanism 2 at multiple positions. The connecting ring 53 is used to connect multiple power output ports 54. The power cord 55 is used to electrically connect the temperature monitoring device 56. The temperature monitoring device 56 is used to display the real-time detected value.

[0024] Further improved, the rotational speed monitoring mechanism 6 includes a fixed ring 61, a second support rod frame 62, a rotational speed sensor 64, an installation cylinder 641, a first fixing frame 65, and a rotational speed monitoring device 66. The fixed ring 61 is in a ring structure. The installation cylinders 641 are installed and distributed above the fixed ring 61. The rotational speed sensor 64 is connected through the interior of the installation cylinder 641. The first fixing frame 65 is fixedly arranged at the top of the fixed ring 61. The rotational speed monitoring device 66 is arranged at the upper end of the first fixing frame 65 and is electrically connected to the rotational speed sensor 64; The second support rod frames 62 are fixedly distributed at both ends of the bottom of the fixed ring 61. The bottom of the second support rod frames 62 is fixedly arranged on a second cushion plate 621, and the second cushion plate 621 is installed on the upper end of the extension plate 11; The second support rod frames 62 and the second cushion plate 621 stably support the fixed ring 61 at the upper end of the extension plate 11. The first fixing frame 65 is used for installing the rotational speed monitoring device 66. The rotational speed monitoring device 66 is used for power supply and control of multiple rotational speed sensors 64. The rotational speed sensors 64 are used for detecting the rotational speed of the drive shaft rod 21 at multiple positions. The fixed ring 61 in a ring structure is used for annularly fixing multiple rotational speed sensors 64.

[0025] Further improved, the torque monitoring mechanism 7 includes a torque sensor 71 and a second fixing frame 73. The torque sensor 71 is arranged outside the drive shaft rod 21. Installation convex plates 72 are fixedly distributed at the bottom of the torque sensor 71. The installation convex plates 72 are installed at the upper end of the second fixing frame 73, and the second fixing frame 73 is fixedly arranged in an N-shaped structure at the upper end of the extension plate 11; The second fixing frame 73 is used for upwardly supporting the installation convex plates 72. The installation convex plates 72 are used for installing the torque sensor 71 above the N-shaped second fixing frame 73. The torque sensor 71 is used for detecting the torque of the drive shaft rod 21.

[0026] Further improved, a braking and locking mechanism 8 is arranged at the outer end of the drive shaft rod 21. The braking and locking mechanism 8 includes a support frame 81 and a bracket 82. U-shaped clamping plates 812 are fixedly arranged at both ends of the front part of the support frame 81. The clamping plates 812 are clamped and installed at the rear end of the second fixing frame 73. Oblique support rods 811 in an italic structure are fixedly arranged at both ends of the bottom of the support frame 81. The support rods 811 are installed at the upper end of the extension plate 11; The bracket 82 is arranged in a semi-circular structure at the lower end of the drive shaft rod 21. A support 821 is fixedly arranged at the bottom of the bracket 82, and the support 821 is fixedly arranged at the upper end of the support frame 81; The U-shaped clamping plates 812 are used for clamping and installing the support frame 81 at the rear end of the second fixing frame 73. The support rods 811 are used for installing the support frame 81 at the upper end of the extension plate 11. The support 821 is used for supporting the bracket 82 at the upper end of the support frame 81.

[0027] Further improved, the braking and locking mechanism 8 further includes a first brake pad 842, a second electro-hydraulic device 85, and a second brake pad 852. Near the upper ends at the middle of both sides of the bracket 82, empty slots 822 are provided. At both ends of the top of the bracket 82, second support columns 831 are fixedly distributed. At the top of the second support columns 831, a top plate 83 is fixedly provided. At the upper end of the top plate 83, a first electro-hydraulic device 84 is installed. At the bottom of the first electro-hydraulic device 84, a first hydraulic column 841 is connected through penetration. The first brake pad 842 is installed at the bottom of the first hydraulic column 841; At both side ends of the top plate 83, outer plates 832 with an inverted L-shaped structure are fixedly provided. The second electro-hydraulic device 85 is installed at the lower end of the outer plate 832. At the inner end of the second electro-hydraulic device 85, a second hydraulic column 851 is connected. The second brake pad 852 is installed at the inner side end of the second hydraulic column 851. The second brake pad 852 is movably connected to the empty slot 822; The inner ends of both the first brake pad 842 and the second brake pad 852 are of an arc structure and the inner circumference is of a rounded corner structure; Multiple groups of second support columns 831 are used to support and fix the top plate 83 upward. The top plate 83 is used to fix the first electro-hydraulic device 84. The first electro-hydraulic device 84 and the first hydraulic column 841 are used to automatically telescopically adjust the height of the first brake pad 842. The top plate 83 is also used to fix the outer plates 832 on both sides. The outer plates 832 are used to install the second electro-hydraulic device 85. The second electro-hydraulic device 85 and the second hydraulic column 851 are used to automatically telescopically adjust the position of the second brake pad 852. The empty slot 822 is used to limit and adjust the movement of the second brake pad 852. The first brake pad 842 and the second brake pad 852 with an inner arc structure and a rounded inner circumference make the braking effect on the outside of the driving shaft rod 21 better and avoid scratching.

[0028] Specifically improved, an axle collar 86 is rotatably connected to the outside of the driving shaft rod 21. At the bottom of the outer side of the axle collar 86, a vertical rod 861 is fixedly provided. At the bottom of the vertical rod 861, a support block 862 is fixedly provided. At both ends of the support block 862, cross bars 863 are fixedly provided. The cross bars 863 are installed between the interiors of the support frames 81; The cross bars 863 are used to install the support block 862, the vertical rod 861, and the axle collar 86 between the interiors of the support frames 81. The support block 862 is used to support the vertical rod 861 and the axle collar 86 upward. The axle collar 86 is used to stably support the rotation of the driving shaft rod 21, reduce the shaking during testing, and is stable and reliable.

[0029] The torque monitoring mechanism 7 is used to test the torque output of the new energy power driving mechanism 2 at different speeds and loads, and evaluate the power performance of the new energy power driving mechanism 2. The torque sensor 71 is used for testing. The torque sensor 71 is installed on the driving shaft rod 21. By simulating different load conditions, the torque output of the new energy power driving mechanism 2 at different speeds is tested.

[0030] The rotational speed monitoring mechanism 6 is used to test the rotational speed response and stability of the new energy power drive mechanism 2, ensuring that the new energy power drive mechanism 2 can operate accurately according to the control requirements. The test is carried out using the rotational speed sensor 64. It is located outside the drive shaft rod 21 to test the rotational speed response and stability of the new energy power drive mechanism 2 by simulating different load changes. The test data is compared and analyzed through the rotational speed monitoring device 66 to evaluate the rotational speed performance of the new energy power drive mechanism 2.

[0031] The infrared temperature monitoring mechanism 5 is used to test the temperature change of the new energy power drive mechanism 2 during operation, ensuring that the new energy power drive mechanism 2 will not be damaged due to overheating. The test is carried out using the infrared temperature sensor 52. The infrared temperature sensor 52 is aimed at the new energy power drive mechanism 2 for temperature measurement, and the temperature data is collected in real time to control the air-cooling mechanism 3 to dissipate heat for the new energy power drive mechanism 2.

[0032] The vibration and noise monitoring mechanism 4 is used to test the vibration and noise levels of the new energy power drive mechanism 2 during operation, ensuring the running smoothness and comfort of the new energy power drive mechanism 2. The test is carried out using the vibration sensor 44 and the noise monitor 42, which are used to test the vibration amplitude and frequency of the new energy power drive mechanism 2 and the noise level during the operation of the new energy power drive mechanism 2. The test data is compared and analyzed through the vibration and noise monitoring device 45 to evaluate the vibration and noise performance of the new energy power drive mechanism 2.

[0033] Working principle: First, the new energy power drive mechanism 2 is stably installed above the bench end plate 1 through its bottom base 22 and extension base 23, so that the bottom plate 24 is firmly installed; The sleeve 32 at the bottom of the air-cooling mechanism 3 is sleeved and installed on the first support column 33, and is firmly installed above the bench end plate 1 through the first cushion plate 34. At the same time, it is firmly installed above the extension base 23 through the first support rod 35, and the power supply is connected through the connecting pipe 311; Start the temperature monitoring device 56 of the infrared temperature monitoring mechanism 5, which is powered to the power output port 54 through the power cord 55, and supplies power to both ends through the connecting ring 53. The temperature of the new energy power drive mechanism 2 is detected in real time through multiple groups of infrared temperature sensors 52. When the temperature is too high, the air-cooling mechanism 3 is immediately started for large-area heat dissipation; The vibration and noise monitoring device 45 of the vibration and noise monitoring mechanism 4 is firmly installed below the bench end plate 1 through the mounting plate 451. The support ring plate 41 is firmly installed on both sides of the bench end plate 1 through multiple groups of first support brackets 43. The two vibration sensors 44 and multiple groups of noise monitors 42 are powered through the vibration and noise monitoring device 45 to detect the noise and vibration feeling of the new energy power drive mechanism 2 in real time; Then, the rotational speed monitoring mechanism 6, the torque monitoring mechanism 7 and the braking and locking mechanism 8 are respectively installed above the extension plate 11; Start the new energy power drive mechanism 2 to automatically control the rotation of the drive shaft rod 21. Multiple speed sensors 64 continuously measure the speed of the drive shaft rod 21 and display it above the speed monitoring device 66. The torque sensor 71 continuously measures the torque of the drive shaft rod 21. The electro-hydraulic device one 84 and the electro-hydraulic device two 85 that can control the braking and locking mechanism 8 respectively and automatically control the telescopic adjustment of the hydraulic column one 841 and the hydraulic column two 851, so that the brake pad one 842 and the brake pad two 852 press the upper end and both sides of the drive shaft rod 21. On the one hand, it brakes and tests the drive shaft rod 21 to prevent accidental rotation and ensure the safety and controllability of the test process. On the other hand, it can brake the drive shaft rod 21 to test the driving performance of the new energy power drive mechanism 2, enhancing the versatility and adaptability of the test.

[0034] The bench end plate 1, extension plate 11, support leg 12, new energy power drive mechanism 2, drive shaft rod 21, base 22, extension seat 23, bottom plate 24, air-cooling mechanism 3, air-cooling heat dissipation plate 31, connecting pipe 311, sleeve 32, first support pillar 33, first cushion plate 34, first support rod 35, vibration and noise monitoring mechanism 4, support ring plate 41, noise monitor 42, first support rod frame 43, vibration sensor 44, vibration and noise monitoring device 45, mounting plate 451, infrared temperature monitoring mechanism 5, extension column 51, positioning plate 511, infrared temperature sensor 52, connecting ring 53, power output port 54, power cord 55, temperature monitoring device 56, rotational speed monitoring mechanism 6, fixing ring 61, second support rod frame 62, second cushion plate 621, rotational speed sensor 64, mounting cylinder 641, first fixing frame 65, rotational speed monitoring device 66, torque monitoring mechanism 7, torque sensor 71, mounting convex plate 72, second fixing frame 73, braking and locking mechanism 8, support frame 81, second support rod 811, clamping plate 812, bracket 82, support 821, empty groove 822, top plate 83, second support pillar 831, outer plate 832, first electro-hydraulic device 84, first hydraulic column 841, first brake pad 842, second electro-hydraulic device 85, second hydraulic column 851, second brake pad 852, shaft collar 86, vertical rod 861, support block 862, cross bar 863 of the present invention. The components are all common standard parts or parts known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or through conventional experimental methods. The problems solved by the present invention are manual operation and long-time data processing, and the accuracy and real-time performance of the test are insufficient. There is a lack of accurate temperature detection to achieve temperature control for new energy power performance testing, and it is impossible to test the new energy power performance in multiple aspects, resulting in low test efficiency, poor stability of the test environment, and high maintenance costs. Through the mutual combination of the above components, the new energy power drive mechanism 2 and the drive shaft rod 21 installed on the upper end of the bench end plate 1 facilitate quick disassembly and assembly for performance testing. The air-cooling mechanism 3 arranged above the new energy power drive mechanism 2 meets the heat dissipation requirements during high-load operation, ensures the rapid dissipation of heat, and guarantees the heat dissipation efficiency of the new energy power drive mechanism 2 during testing. The infrared temperature monitoring mechanism 5 arranged behind the new energy power drive mechanism 2 monitors the temperature change of the power system in real time, effectively prevents performance degradation or failure caused by overheating, and ensures the safety and reliability of the test. Combined with the air-cooling mechanism 3, it realizes precise temperature control of the power system and improves the stability and controllability of the test environment. The vibration and noise monitoring mechanism 4 arranged around the front of the new energy power drive mechanism 2 can accurately capture the vibration characteristics and noise levels of the power system during operation;By means of the rotational speed monitoring mechanism 6 and the torque monitoring mechanism 7 provided outside the drive shaft rod 21, the torque output and rotational speed response of the new energy power drive mechanism 2 under different conditions can be accurately tested, providing direct and crucial data for evaluating its power performance. By simulating various load conditions, the stability and efficiency of the power output can be comprehensively analyzed. Through the braking and locking mechanism 8 provided at the end of the drive shaft rod 21, on the one hand, the drive shaft rod 21 can be quickly and smoothly locked when needed to prevent accidental rotation, ensuring the safety and controllability of the test process. On the other hand, the drive shaft rod 21 can be braked to test the driving performance of the new energy power drive mechanism 2, enhancing the versatility and adaptability of the test. Greatly reducing manual intervention and data processing time, improving the test efficiency, reducing the maintenance cost, and ensuring the long-term stable operation of the test bench.

[0035] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0036] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A new energy power performance test bench, comprising a bench end plate (1), a new energy power drive mechanism (2), an air cooling mechanism (3), a vibration and noise monitoring mechanism (4), an infrared temperature monitoring mechanism (5), a rotation speed monitoring mechanism (6) and a torque monitoring mechanism (7), characterized in that: The rear end of the platform end plate (1) is fixedly connected to an extension plate (11) and forms an integrated structure; support legs (12) are fixedly provided at the bottom corners of the platform end plate (1) and the extension plate (11); The new energy power drive mechanism (2) is mounted on the upper end of the platform end plate (1); the output end of the new energy power drive mechanism (2) is connected to a drive shaft (21); and the air cooling mechanism (3) is located outside the new energy power drive mechanism (2) and mounted on the upper end of the platform end plate (1); The vibration noise monitoring mechanism (4) is arranged around the front of the new energy power drive mechanism (2); The infrared temperature monitoring mechanism (5) is arranged above the rear portion of the new energy power driving mechanism (2) and is fixedly arranged at the rear end of the air cooling mechanism (3); The rotation speed monitoring mechanism (6) and the torque monitoring mechanism (7) are both arranged outside the driving shaft (21) and installed on the upper end of the extension plate (11).

2. A new energy power performance test bench according to claim 1, characterized in that: A base (22) is fixedly provided at the middle of the bottom of the new energy power drive mechanism (2), and extension seats (23) are fixedly provided at both side ends of the bottom of the new energy power drive mechanism (2), and a bottom plate (24) is fixedly provided at the bottom of both the base (22) and the extension seat (23), and the bottom plate (24) is mounted at the middle of the upper end of the stand end plate (1).

3. A new energy power performance test bench according to claim 1, characterized in that: The air cooling mechanism (3) comprises an air cooling heat sink (31), the air cooling heat sink (31) is an arc-shaped plate structure and has connecting pipes (311) connected to the front ends of the bottom of the air cooling heat sink (31), sleeves (32) are fixedly provided at the front and rear ends of the bottom of the air cooling heat sink (31), a support column (33) is installed at the bottom of the sleeve (32), a pad plate (34) is fixedly provided at the bottom of the support column (33), a support rod (35) is fixedly provided at the middle of the bottom of the air cooling heat sink (31), the pad plate (34) is installed at the upper end of the stand end plate (1), and the lower end of the support rod (35) is installed at the outer end of the extension seat (23) in an italic structure.

4. A new energy power performance test bench according to claim 1, characterized in that: The vibration and noise monitoring mechanism (4) comprises a supporting ring plate (41), a noise monitor (42), a supporting rod frame (43), a vibration sensor (44) and a vibration and noise monitoring device (45); the supporting rod frame (43) is in an L-shaped structure and is fixedly distributed at both ends of the bottom of the supporting ring plate (41); the bottom of the supporting rod frame (43) is mounted on both sides of the platform end plate (1); and the noise monitor (42) is fixedly distributed on the top of the supporting ring plate (41); The vibration sensor (44) is mounted on the outer end of the extension seat (23); the vibration noise monitoring device (45) is electrically connected to the noise monitor (42) and the bottom of the vibration sensor (44) through a wire; a mounting plate (451) is fixedly provided on the top of the vibration noise monitoring device (45); and the mounting plate (451) is mounted on the bottom of the stand end plate (1).

5. The new energy power performance test bench according to claim 1 is characterized in that: The infrared temperature monitoring mechanism (5) comprises an extension column (51), a positioning plate (511), an infrared temperature sensor (52), a connecting ring (53) and a temperature monitoring device (56); the extension column (51) is fixedly arranged between the inner upper end of the positioning plate (511) and the air cooling mechanism (3); the infrared temperature sensor (52) is arranged at the lower end of the positioning plate (511); a power output port (54) is arranged at the outer end of the infrared temperature sensor (52); the connecting ring (53) is connected between the power output ports (54); a power line (55) is connected above the connecting ring (53); and the power line (55) is electrically connected to the temperature monitoring device (56).

6. A new energy power performance test bench according to claim 1, characterized in that: The rotation speed monitoring mechanism (6) comprises a fixing ring (61), a second support rod frame (62), a rotation speed sensor (64), a mounting tube (641), a fixing frame (65) and a rotation speed monitoring device (66); the fixing ring (61) is an annular structure; the mounting tube (641) is installed and distributed above the fixing ring (61); the rotation speed sensor (64) penetrates and is connected to the inside of the mounting tube (641); the fixing frame (65) is fixedly arranged on the top of the fixing ring (61); and the rotation speed monitoring device (66) is arranged at the upper end of the fixing frame (65) and is electrically connected to the rotation speed sensor (64); The second support rod frame (62) is fixedly distributed at both ends of the bottom of the fixing ring (61), and the bottom of the second support rod frame (62) is fixedly arranged on the second pad (621), and the second pad (621) is installed on the upper end of the extension plate (11).

7. A new energy power performance test bench according to claim 1, characterized in that: The torque monitoring mechanism (7) comprises a torque sensor (71) and a second fixing frame (73); the torque sensor (71) is arranged outside the driving shaft (21); a mounting convex plate (72) is fixedly distributed on the bottom of the torque sensor (71); the mounting convex plate (72) is mounted on the upper end of the second fixing frame (73); and the second fixing frame (73) is fixedly arranged on the upper end of the extension plate (11) in an N-shaped structure.

8. A new energy power performance test bench according to claim 1, characterized in that: The outer end of the driving shaft (21) is provided with a brake locking mechanism (8), the brake locking mechanism (8) comprising a support frame (81) and a bracket (82), the front ends of the support frame (81) are fixedly provided with a clamping plate (812) with a U-shaped structure, the clamping plate (812) is clamped and mounted on the rear end of the second fixing frame (73), the bottom ends of the support frame (81) are fixedly provided with a second support rod (811) with an italic structure, the second support rod (811) is mounted on the upper end of the extension plate (11); The bracket (82) is in a semicircular structure and is arranged at the lower end of the driving shaft (21); a support (821) is fixedly arranged at the bottom of the bracket (82); and the support (821) is fixedly arranged at the upper end of the support frame (81).

9. A new energy power performance test bench according to claim 8, characterized in that: The brake locking mechanism (8) further comprises a brake pad (842), an electric hydraulic device (85) and a brake pad (852); a hollow groove (822) is provided near the upper end of the middle of both sides of the bracket (82); two pillars (831) are fixedly provided at both ends of the top of the bracket (82); a top plate (83) is fixedly provided on the top of the pillar (831); an electric hydraulic device (84) is installed on the upper end of the top plate (83); a hydraulic column (841) is connected to the bottom of the electric hydraulic device (84); and the brake pad (842) is installed on the bottom of the hydraulic column (841); An outer plate (832) in an inverted L-shaped structure is fixedly provided at both side ends of the top plate (83), the second electric hydraulic device (85) is installed at the lower end of the outer plate (832), the inner end of the second electric hydraulic device (85) is connected to the second hydraulic column (851), the second brake pad (852) is installed at the inner side end of the second hydraulic column (851), and the second brake pad (852) is movably connected to the empty groove (822); The inner ends of the brake pad 1 (842) and the brake pad 2 (852) are both arc-shaped structures and the inner sides are all rounded structures.

10. A new energy power performance test bench according to claim 9, characterized in that: The outside of the driving shaft (21) is rotatably connected to a shaft ring (86), a vertical rod (861) is fixedly provided at the bottom of the outer side of the shaft ring (86), a support block (862) is fixedly provided at the bottom of the vertical rod (861), cross bars (863) are fixedly provided at both ends of the support block (862), and the cross bars (863) are installed between the inside of the support frame (81).

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