CN202937713U - Electromagnetic shock absorber provided with displacement sensors - Google Patents
Electromagnetic shock absorber provided with displacement sensors Download PDFInfo
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- CN202937713U CN202937713U CN 201220547271 CN201220547271U CN202937713U CN 202937713 U CN202937713 U CN 202937713U CN 201220547271 CN201220547271 CN 201220547271 CN 201220547271 U CN201220547271 U CN 201220547271U CN 202937713 U CN202937713 U CN 202937713U
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- shock absorber
- piston rod
- electromagnetic shock
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Abstract
The utility model relates to an electromagnetic shock absorber provided with displacement sensors, which is used as a shock absorber for vehicles, and aims to solve the problems that the response time of a conventional shock absorber is long, the service life is short, and the damping adjust capacity is poor. The electromagnetic shock absorber comprises a working cylinder; a first piston rod, a first piston, a second piston rod, a second piston are arranged in the working cylinder; the first piston rod is connected with the first piston, and the second piston rod is connected with the second piston; the first piston rod is wound with a first coil, the second piston rod is wound with a second coil, the winding direction of the second coil is opposite to that of the first coil, and the first coil and the second coil are connected with a power supply respectively; guiding seats are arranged at two ends in the working cylinder; the first piston rod and the second piston rod are provided with limited blocks respectively; elastics are arranged between the limited blocks and the guiding seats as well as between the first piston and the second piston; high-precision displacement sensors are arranged on the first piston and the second piston respectively; and the high-precision displacement sensors are connected with an external power supply system of the electromagnetic shock absorber.
Description
Technical field
The utility model designs a kind of vehicle shock absorber, relates to specifically a kind of electromagnetic shock absorber that is provided with displacement transducer.
Background technique
In the Vehicle Driving Cycle process, in suspension system, because elastic element is hit, produce vibrations, for improving the Vehicle Driving Cycle smoothness, in suspension, with elastic element, be installed in parallel vibration damper.At present, the vibration damper adopted on vehicle suspension mostly is passive type, the damping of flowing through one-way valve by fluid such as traditional passive type hydraulic damper realizes cushioning effect, can not change the vibration damper damping constant according to traffic information, driver and passenger comfort level when driving can not get maximum satisfied.The active suspension system of employing damping force adjustable and spring rate can be according to the size of road conditions and Vehicle Driving Cycle condition change damping force and spring rate, to meet the requirement of riding comfort and travelling and driving safety.
The patent documentation that application number is 201020628771.2 discloses a kind of electromagnetic shock absorber, comprise upper cylinder, lower cylinder body, one end of upper cylinder is arranged in lower cylinder body, upper cylinder and lower cylinder body are slidably matched, be provided with decoupling rod in upper cylinder, be provided with the stir yourself axle in lower cylinder body, the lower end of decoupling rod is provided with the first permanent magnet, the upper end of movable axis is provided with the second permanent magnet, the first permanent magnet, the second permanent magnet is that the S utmost point same sex is oppositely arranged, it is characterized in that: be provided with the first coil on described decoupling rod, be provided with the second coil on movable axis, the first coil, the second coil is connected with outside power supply respectively, described decoupling rod, movable axis are threaded in respectively on upper cylinder, lower cylinder body.
There is following shortcoming in this electromagnetic shock absorber:
One, be provided with coil on decoupling rod and movable axis, coil is under the function of current, can strengthen the magnetic force of the first permanent magnet and the second permanent magnet, but, the magnetic field magnetisation that the first permanent magnet and the second permanent magnet are easily produced by coil, cause the vibration damper response time slack-off, can not reach good damping effect.
Two, when vehicle in the process of moving, decoupling rod and motion bar mutually away from the time, because this vibration damper does not have protective gear, as easy as rolling off a log damage coil, cause this vibration damper to lose damping effect, greatly shortened the working life of vibration damper.
The size of the adjusting input current that three, existing electromagnetic shock absorber can not be suitable according to the situation of road, and cause electromagnetic shock absorber damping adjusting function limited.
The model utility content
The utility model is for the existing problem that the corresponding time of vibration damper is slow, working life is short, the damping regulating power is poor, and a kind of electromagnet vibration damper is provided, and has fast, long service life of corresponding time, characteristics that the damping regulating power is good.
For addressing the above problem, the technological scheme that the utility model adopts is as follows:
A kind of electromagnetic shock absorber that is provided with displacement transducer, comprise clutch release slave cylinder, it is characterized in that: be provided with first piston bar, first piston, the second piston rod, the second piston in described clutch release slave cylinder; The first piston bar is connected with first piston, and the second piston rod is connected with the second piston; Described first piston bar is wound with the first coil, and described the second piston rod is wound with second coil contrary with the first coil winding-direction, and described the first coil is connected with power-supply system respectively with the second coil; In described clutch release slave cylinder, two ends are provided with guide holder; Be respectively equipped with limiting stopper on first piston bar and the second piston rod, be provided with the elasticity thing between described limiting stopper and guide holder, between first piston and the second piston, be provided with the elasticity thing; Be equipped with high accuracy displacement sensor on described first piston and the second piston, described high accuracy displacement sensor is connected with vibration damper external power supply system.
Further, the elasticity thing between described limiting stopper and wire seat is fixedly mounted on limiting stopper.
Further, described high accuracy displacement sensor is KD2306 high precision electro eddy displacement sensor.
Preferably, described clutch release slave cylinder, first piston bar, first piston, the second piston rod, the second piston adopt soft magnetic material to make.
Further, described soft magnetic material is pure iron or low carbon steel.
Further, described first piston bar is identical with the second piston rod shape size, and described first piston is identical with the shape size of the second piston.
Working principle of the present utility model is: the first coil and the second coil produce magnetic field under the effect of electric current, and the first coil is contrary with the second coil winding-direction, according to the principle of two like magnetic poles repel each other, reach the effect of damping.Simultaneously, the high accuracy displacement sensor be arranged on piston is transferred to the displacement information of piston the MCU microprocessing unit of vibration damper external power supply system, the electric current [strength that the MCU microprocessing unit varies in size to the coil input on piston rod according to the displacement information received, thus realize that the vibration damper damping is adjustable.
Compared with prior art, the utlity model has following beneficial effect:
One, the utility model is equipped with coil on first piston bar and the second piston rod, and coil produces magnetic force under the effect of electric current, thereby reaches the effect of damping; Simultaneously, between first piston and the second piston, be provided with the elasticity thing, can be in the situation that the effect of damping be played in outage; Solved existing vibration damper due to the permanent magnet magnetization that is provided with permanent magnet and causes, the problem that the response time is slow.
Two, the utility model is provided with high accuracy displacement sensor on first piston and the second piston, the displacement information of piston is transferred to the MCU microprocessing unit of vibration damper external power supply system, the electric current [strength that the MCU microprocessing unit varies in size to the coil input on piston rod according to the displacement information received, thereby realize that the vibration damper damping is adjustable, improve the travelling comfort of taking.
Three, the KD2306 high precision electro eddy displacement sensor that the utility model adopts, have the high and high sampling rate of resolution, can survey ferromagnetic and non-ferromagnetic metallic material, makes the characteristics that the utlity model has good stability.
Four, the clutch release slave cylinder that the utility model is used, first piston bar, first piston, the second piston rod, the second piston adopt soft magnetic material to make, and have advantages of that permeability is high, are easy to magnetization and are easy to demagnetization, thereby improved the corresponding time of the present utility model.
Five, the soft magnetic material that the utility model adopts is pure iron or low carbon steel, has characteristics cheap, good processability, makes the utlity model has to be easy to processing, the advantage of low cost of manufacture.
Six, first piston bar of the present utility model and the second piston rod, first piston are identical with the second piston-shaped size, are convenient to mass production and manufacture.
Seven, the utility model is provided with guide holder in clutch release slave cylinder, can reduce the wearing and tearing of piston and clutch release slave cylinder inwall, increases working life of the present utility model.
Eight, first piston bar of the present utility model and the second piston rod are provided with limiting stopper, when first piston bar and the second piston rod mutually away from the time, can be good at the coil of protection, increase working life of the present utility model.
Nine, the utility model is provided with the elasticity thing between limiting stopper and guide holder, has reduced direct contact the between guide holder and limiting stopper, makes this vibration damper damping effect better.
The accompanying drawing explanation
Fig. 1 is the utility model one embodiment's structural representation;
Mark in figure: 1 is guide holder, and 2 is the first piston bar, and 3 and 8 is the elasticity thing, and 4 is limiting stopper, and 5 is the first coil, and 6 is clutch release slave cylinder, and 7 is first piston, and 9 is the second piston, and 10 is the second coil, and 11 is the second piston rod, and 12 is high accuracy displacement sensor.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described further.
With reference to Fig. 1, the utility model comprises clutch release slave cylinder 6, is provided with first piston bar 2, first piston 7, the second piston rod 11, the second piston 9 in clutch release slave cylinder 6; First piston bar 2 is connected with first piston 7, and the second piston rod 11 is connected with the second piston 9; Described first piston bar 2 is wound with the first coil 5, and described the second piston rod 11 is wound with the first coil 5 around the second coil 10 to contrary, and described the first coil 5 is connected with power supply respectively with the second coil 10; In described clutch release slave cylinder, 6 two ends are provided with guide holder 1; Be respectively equipped with limiting stopper 4 on first piston bar 2 and the second piston rod 11, between described limiting stopper 4 and guide holder 1, be provided with elasticity thing 3, between first piston 7 and the second piston 9, be provided with elasticity thing 8.Be equipped with high accuracy displacement sensor 12 on first piston 7 and the second piston 9, high accuracy displacement sensor 12 is connected with vibration damper external power supply system.What the utility model adopted is KD2306 high precision electro eddy displacement sensor, belongs to prior art products.
Preferably, for the ease of installation and removal, the elasticity thing 3 between limiting stopper 4 and wire seat 1 is fixedly mounted on limiting stopper 4.
Preferably, clutch release slave cylinder 6, first piston bar 2, first piston 7, the second piston rod 11, the second piston 9 adopt soft magnetic material to make.Described soft magnetic material is pure iron or low carbon steel, has permeability high, is easy to magnetization and is easy to the advantage of demagnetizing, and simultaneously, pure iron and low carbon steel have cheap, are easy to the characteristics of processing.Make and the utlity model has low cost of manufacture, be easy to the advantage that mass production is manufactured.
First piston bar 2 is identical with the second piston rod 11 shape sizes, and first piston 7 is identical with the shape size of the second piston 9.
Working principle of the present utility model is: the first coil and the second coil produce magnetic field under the effect of electric current, and the first coil is contrary with the second coil winding-direction, according to the principle of two like magnetic poles repel each other, reach the effect of damping.Simultaneously, the high accuracy displacement sensor be arranged on piston is transferred to the displacement information of piston the MCU microprocessing unit of vibration damper external power supply system, the electric current [strength that the MCU microprocessing unit varies in size to the coil input on piston rod according to the displacement information received, thus realize that the vibration damper damping is adjustable.
Claims (6)
1. an electromagnetic shock absorber that is provided with displacement transducer, comprise clutch release slave cylinder, it is characterized in that: be provided with first piston bar, first piston, the second piston rod, the second piston in described clutch release slave cylinder; The first piston bar is connected with first piston, and the second piston rod is connected with the second piston; Described first piston bar is wound with the first coil, and described the second piston rod is wound with second coil contrary with the first coil winding-direction, and described the first coil is connected with power-supply system respectively with the second coil; In described clutch release slave cylinder, two ends are provided with guide holder; Be respectively equipped with limiting stopper on first piston bar and the second piston rod, be provided with the elasticity thing between described limiting stopper and guide holder, between first piston and the second piston, be provided with the elasticity thing; Be equipped with high accuracy displacement sensor on described first piston and the second piston, described high accuracy displacement sensor is connected with vibration damper external power supply system.
2. the electromagnetic shock absorber that is provided with displacement transducer according to claim 1, it is characterized in that: the elasticity thing between described limiting stopper and wire seat is fixedly mounted on limiting stopper.
3. the electromagnetic shock absorber that is provided with displacement transducer according to claim 1, it is characterized in that: described high accuracy displacement sensor is KD2306 high precision electro eddy displacement sensor.
4. the electromagnetic shock absorber that is provided with displacement transducer according to claim 1 is characterized in that: described clutch release slave cylinder, first piston bar, first piston, the second piston rod, the second piston adopt soft magnetic material to make.
5. the electromagnetic shock absorber that is provided with displacement transducer according to claim 4, it is characterized in that: described soft magnetic material is pure iron or low carbon steel.
6. the electromagnetic shock absorber that is provided with displacement transducer according to claim 1, it is characterized in that: described first piston bar is identical with the second piston rod shape size, and described first piston is identical with the shape size of the second piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547271 CN202937713U (en) | 2012-10-24 | 2012-10-24 | Electromagnetic shock absorber provided with displacement sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547271 CN202937713U (en) | 2012-10-24 | 2012-10-24 | Electromagnetic shock absorber provided with displacement sensors |
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| Publication Number | Publication Date |
|---|---|
| CN202937713U true CN202937713U (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201220547271 Expired - Fee Related CN202937713U (en) | 2012-10-24 | 2012-10-24 | Electromagnetic shock absorber provided with displacement sensors |
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| CN (1) | CN202937713U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948628A (en) * | 2015-05-21 | 2015-09-30 | 石翔 | Direct current electromagnetic negative stiffness device |
| CN107130511A (en) * | 2017-04-21 | 2017-09-05 | 中铁大桥科学研究院有限公司 | A kind of maglev type intelligent control suspension cable damping unit and damping adjusting method |
| CN107387656A (en) * | 2017-08-28 | 2017-11-24 | 河北建筑工程学院 | Bridge cable damper |
| CN107740842A (en) * | 2017-11-22 | 2018-02-27 | 桂林电子科技大学 | Magnetic suspension low frequency vibration damping device |
| CN108518445A (en) * | 2018-06-07 | 2018-09-11 | 济南远景精密制造科技有限公司 | A kind of electromagnetic vehicle shock absorber and the automobile of adjustable shock-absorbing damping |
| CN109307036A (en) * | 2017-07-27 | 2019-02-05 | 青岛海尔滚筒洗衣机有限公司 | Electromagnetic shock absorber and its control method and washing machine including the electromagnetic shock absorber |
| CN113357299A (en) * | 2021-06-23 | 2021-09-07 | 贵州航天林泉电机有限公司 | Eddy current damper with axial double-reed structure |
-
2012
- 2012-10-24 CN CN 201220547271 patent/CN202937713U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948628A (en) * | 2015-05-21 | 2015-09-30 | 石翔 | Direct current electromagnetic negative stiffness device |
| CN107130511A (en) * | 2017-04-21 | 2017-09-05 | 中铁大桥科学研究院有限公司 | A kind of maglev type intelligent control suspension cable damping unit and damping adjusting method |
| CN107130511B (en) * | 2017-04-21 | 2019-09-27 | 中铁大桥科学研究院有限公司 | A kind of maglev type intelligent control suspension cable damping unit and damping adjusting method |
| CN109307036A (en) * | 2017-07-27 | 2019-02-05 | 青岛海尔滚筒洗衣机有限公司 | Electromagnetic shock absorber and its control method and washing machine including the electromagnetic shock absorber |
| CN107387656A (en) * | 2017-08-28 | 2017-11-24 | 河北建筑工程学院 | Bridge cable damper |
| CN107387656B (en) * | 2017-08-28 | 2023-08-22 | 河北建筑工程学院 | Bridge inhaul cable damper |
| CN107740842A (en) * | 2017-11-22 | 2018-02-27 | 桂林电子科技大学 | Magnetic suspension low frequency vibration damping device |
| CN108518445A (en) * | 2018-06-07 | 2018-09-11 | 济南远景精密制造科技有限公司 | A kind of electromagnetic vehicle shock absorber and the automobile of adjustable shock-absorbing damping |
| CN108518445B (en) * | 2018-06-07 | 2024-05-07 | 济南远景精密制造科技有限公司 | Electromagnetic shock absorber for vehicle and automobile with adjustable shock absorbing damping |
| CN113357299A (en) * | 2021-06-23 | 2021-09-07 | 贵州航天林泉电机有限公司 | Eddy current damper with axial double-reed structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131024 |