Special shock absorber for new energy automobile
By setting sensors on the piston rod and sensing elements in the inner cylinder, and combining road condition detection information, adaptive damping adjustment of the shock absorber for new energy vehicles is realized, solving the problem of poor vibration reduction effect in existing technologies and improving the vibration reduction effect.
Patent Information
- Application Number
- CN202522685622.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-12-18
AI Technical Summary
The existing automatic damping adjustment of shock absorbers in new energy vehicles is not effective and it is difficult to achieve precise shock absorption. The sensors have limited ability to detect road conditions.
Sensors are installed on the piston rod, and first and second sensing units are equipped in the inner cylinder. The piston rod moving speed is detected by the sensors, and combined with the road condition detection information from the external sensors, the data is fed back to the controller for comprehensive analysis and adaptive adjustment of the damping force of the shock absorber.
It enables real-time adjustment of the damping force of the shock absorber according to road conditions, improving the vibration reduction effect and meeting the vibration reduction requirements of new energy vehicles.
Smart Images
Figure CN223854733U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a vehicle suspension system, concretely relates to a shock absorber special for new energy automobile. BACKGROUND
[0002] The shock absorber is an important component of the vehicle suspension system, and is mainly used for realizing damping in the vehicle driving process. At present, with the rise of new energy automobiles, the demand for shock absorbers has also changed, and the demand for vehicle damping of new energy automobiles has shifted to automatic control adjustment, the road conditions are detected through the setting of inductors, and then the damping adjustment of the electromagnetic recovery valve assembly of the shock absorber is controlled to realize the adaptive damping adjustment of the vehicle. However, in the actual use process, due to the limited actual detection effect of the inductor on the road conditions, there may be deviations between the actual damping adjustment force required by the vehicle and the structure of the road condition analysis, at this time, the effect of the automatic damping adjustment of the shock absorber is poor, and it is difficult to obtain good damping effect. UTILITY MODEL CONTENTS
[0003] In view of the deficiencies in the background art, the technical problem to be solved by the utility model is to provide a shock absorber special for new energy automobile for solving the above problems.
[0004] To this end, the utility model is realized by adopting the following scheme:
[0005] The shock absorber special for new energy automobile has an inner cylinder and an outer cylinder, a piston rod is movably arranged in the inner cylinder, an electromagnetic recovery valve assembly is arranged on the piston rod, a compression valve assembly is arranged between one end of the inner cylinder and the outer cylinder, a guide is arranged between the other end of the inner cylinder and the outer cylinder, and the piston rod passes through the guide, characterized in that: an installation seat is arranged on the outer side wall of the inner cylinder part of the piston rod, an inductor is arranged on the installation seat, a first inductive part and a second inductive part for the inductor to induct are arranged on the inner side wall of the inner cylinder, a wire hole is formed in the middle part of the piston rod, and wires and signal lines connected with the electromagnetic recovery valve assembly and the inductor are arranged in the wire hole.
[0006] A buffer block is arranged on the installation seat, and the buffer block can abut against one end of the guide.
[0007] A dust cover is arranged at the end corresponding to the outer cylinder and the piston rod.
[0008] The electromagnetic recovery valve assembly comprises an electromagnetic coil, a locating seat is arranged in the electromagnetic coil, an iron core is slidably arranged in the locating seat, a first spring is tightly pressed between one end of the iron core and the locating seat, a second spring is tightly pressed between the other end of the iron core and the locating seat, a connecting shaft is clamped on the middle part of the iron core, the connecting shaft is abutted with an adjusting block on one end, an oil passing block is arranged on the side corresponding to the adjusting block, an oil channel is arranged on the oil passing block, and a recovery valve is arranged on the side corresponding to the oil passing block, an oil passing gap is formed between the adjusting block and the oil passing block, and the oil passing gap is communicated with the inner cylinder.
[0009] A third spring is arranged between the oil passing block and the adjusting block.
[0010] The new energy automobile special shock absorber has the advantages that the inductor is arranged on the piston rod, the first and second inductive parts are matched in the inner cylinder, the moving speed of the piston rod can be detected and fed back to the controller, the controller can comprehensively analyze the damping condition of the vehicle according to the feedback information and the detection of the external inductor on the road condition, and then adaptively adjust the damping force of the shock absorber, so that better damping effect is obtained and the damping requirement of the new energy automobile is better met. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model discloses a following drawing:
[0012] Figure 1 It is the structure schematic drawing of the utility model;
[0013] Figure 2 It is Figure 1 It is the local enlarged view of the direction of A of middle. DETAILED DESCRIPTION
[0014] As shown in the figure, the utility model discloses a new energy automobile special shock absorber, has the inner cylinder 7 and the outer cylinder 8, and the piston rod 1 is movably arranged in the inner cylinder 7, the electromagnetic recovery valve assembly is arranged on the piston rod 1, the compression valve assembly 13 is arranged between one end of the inner cylinder 7 and the outer cylinder 8, the guider 6 is arranged between the other end of the inner cylinder 7 and the outer cylinder 8, the piston rod 1 passes through the guider 6, the mounting seat 12 is arranged on the outer side wall of the inner cylinder part of the piston rod 1, the inductor 11 is arranged on the mounting seat 12, the first inductive part 5 and the second inductive part 10 that can be inducted by the inductor 11 are arranged on the inner side wall of the inner cylinder 7, the wire hole 2 is formed in the middle part of the piston rod 1, and the wire and the signal line connected with the electromagnetic recovery valve assembly and the inductor 11 are arranged in the wire hole 2.
[0015] Further, the mounting base 12 is provided with a buffer block 9, and the buffer block 9 is abutted with one end of the guide 6. By adopting the above structure, the damping can be realized when the piston rod is moved to the position, and the rigid impact between the mounting base 12 and the guide 6 is avoided, and the service life is effectively improved. The dust cover 4 is arranged at the end of the outer cylinder 8 corresponding to the piston rod 1. The dustproof of the damper at the position can be ensured.
[0016] Further, the electromagnetic restoring valve assembly comprises an electromagnetic coil 15, a positioning seat 16 is arranged in the electromagnetic coil 15, an iron core 18 is slidably arranged in the positioning seat 16, the first spring 17 is tightly pressed between one end of the iron core 18 and the positioning seat 16, the second spring 19 is tightly pressed between the other end of the iron core 18 and the positioning seat 16, the connecting shaft 14 is clamped on the middle part of the iron core 18, one end of the connecting shaft 14 is abutted with the adjusting block 20, the oil passing block 23 is arranged on the side corresponding to the adjusting block 20, the oil channel 24 is arranged on the oil passing block 23, the restoring valve 25 is arranged on the side corresponding to the oil passing block 23, the oil passing gap 22 is formed between the adjusting block 20 and the oil passing block 23, and the oil passing gap 22 is communicated with the inner cylinder 7. The oil hole 21 is arranged on the electromagnetic restoring valve assembly and is used for realizing the communication between the oil passing gap 22 and the inner cylinder 7.
[0017] Further, the third spring 26 is arranged between the oil passing block 23 and the adjusting block 20. By adopting the above structure, the elastic isolation between the oil passing block 23 and the adjusting block 20 can be realized, the collision between the oil passing block 23 and the adjusting block 20 due to the too fast movement of the iron core is avoided, and the stability of the damper in operation is ensured.
[0018] The working principle of the utility model is: the piston rod is moved in the process of the vehicle driving on the bumpy road, the piston rod 1 drives the damping oil to pass through the restoring valve 25 and the compression valve assembly 13 in the moving process, and then the damping is realized, when the damping adjustment is needed, the current size input to the electromagnetic coil 15 is changed, then the adjustment of the position of the iron core is realized, the adjusting block 20 is moved, the size of the oil passing gap 22 between the adjusting block 20 and the oil passing block 23 is adjusted, and then the damping force of the damping oil flowing through the oil passing gap 22 is adjusted. And in the moving process of the piston rod 1, the inductor 11 can respectively induct the first and second inductive parts, and the inducted gap time is fed back to the controller, the controller can calculate the moving speed of the piston rod according to the feedback information to obtain the actual operation state of the damper, and the adaptive damping adjustment of the damper is realized by comprehensively detecting the road condition information, and then the more adaptive damping force is obtained, and the better damping effect is provided.
[0019] The utility model discloses this structure, through setting inductor on piston rod, and in the inner tube adaptation first, second inductive part can realize the detection to piston rod moving speed, and feedback to controller, and controller can be according to the information of feedback and combine the detection of external inductor to road condition, comprehensive analysis vehicle's damping condition, and then self -adaptation carries out the adjustment to the damping force of shock absorber, obtains better damping effect, more adaptation new energy automobile to the requirement of damping.
Claims
1. A new energy vehicle special shock absorber, having an inner cylinder (7) and an outer cylinder (8), a piston rod (1) is movably arranged in the inner cylinder (7), an electromagnetic recovery valve assembly is arranged on the piston rod (1), a compression valve assembly (13) is arranged between one end of the inner cylinder (7) and the outer cylinder (8), a guide (6) is arranged between the other end of the inner cylinder (7) and the outer cylinder (8), the piston rod (1) passes through the guide (6), characterized in that: The outer side wall of the inner cylinder part of the piston rod (1) is provided with a mounting seat (12), the mounting seat (12) is provided with an inductor (11), the inner side wall of the inner cylinder (7) is provided with a first induction part (5) and a second induction part (10) which can be inducted by the inductor (11), the middle part of the piston rod (1) is provided with a wire hole (2), the wire hole (2) is provided with wires and signal lines which are connected with the electromagnetic reset valve assembly and the inductor (11).
2. The new energy vehicle dedicated shock absorber according to claim 1, characterized in that: The mounting seat (12) is provided with a buffer block (9), the buffer block (9) can abut against one end of the guider (6).
3. The new energy vehicle dedicated shock absorber according to claim 1, characterized in that: The outer cylinder (8) is provided with a dust cover (4) at the corresponding end of the piston rod (1).
4. The new energy vehicle dedicated shock absorber according to claim 1, characterized in that: The electromagnetic reset valve assembly comprises an electromagnetic coil (15), the electromagnetic coil (15) is provided with a positioning seat (16), the positioning seat (16) is provided with an iron core (18) which is slidably arranged in the positioning seat (16), the iron core (18) is tightly pressed by a first spring (17) between one end of the iron core (18) and the positioning seat (16), the iron core (18) is tightly pressed by a second spring (19) between the other end of the iron core (18) and the positioning seat (16), the middle part of the iron core (18) is clamped with a connecting shaft (14), one end of the connecting shaft (14) abuts against an adjusting block (20), the side corresponding to the adjusting block (20) is provided with an oil passing block (23), the oil passing block (23) is provided with an oil channel (24), the side corresponding to the oil passing block (23) is provided with a reset valve (25), the adjusting block (20) and the oil passing block (23) form an oil passing gap (22), the oil passing gap (22) is communicated with the inner cylinder (7).
5. The new energy vehicle dedicated shock absorber according to claim 4, characterized in that: The third spring (26) is arranged between the oil passing block (23) and the adjusting block (20).