CN202833811U - Adjustable electromagnetic damper - Google Patents
Adjustable electromagnetic damper Download PDFInfo
- Publication number
- CN202833811U CN202833811U CN 201220543706 CN201220543706U CN202833811U CN 202833811 U CN202833811 U CN 202833811U CN 201220543706 CN201220543706 CN 201220543706 CN 201220543706 U CN201220543706 U CN 201220543706U CN 202833811 U CN202833811 U CN 202833811U
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- CN
- China
- Prior art keywords
- cylinder body
- coil
- permanent magnet
- linear acceleration
- decoupling rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an adjustable electromagnetic damper which is used for vehicle damping. The adjustable electromagnetic damper solves the problem that an existing damper is not sufficient in power when adjusting damp. The adjustable electromagnetic damper includes an upper cylinder body and a lower cylinder body. One end of the lower cylinder body is arranged inside the upper cylinder body. The upper cylinder body is in a sliding fit with the lower cylinder body. The damping rod is arranged in the upper cylinder body, and the lower cylinder body is provided with a sliding shaft. The first permanent magnet is arranged at the lower end of the damping rod, and a second permanent magnet is arranged at the upper end of the sliding shaft. The S pole of the first permanent magnet is arranged opposite to that of the second permanent magnet. The damping rod is provided with a first coil, and the sliding shaft is provided with a second coil. The first coil and the second coil are respectively connected with an external power supply system. The damping rod and the sliding shaft are provided with a linear acceleration sensor. The linear acceleration sensor is connected with the external power supply system. The adjustable electromagnetic damper can accurately adjust the damping force, and improve the ride comfort.
Description
Technical field
The utility model designs a kind of vehicle shock absorber, relates to specifically a kind of adjustable electromagnetic vibration damper.
Background technique
In the Vehicle Driving Cycle process, produce vibrations because elastic element is hit in the suspension system, for improving the Vehicle Driving Cycle smoothness, be installed in parallel vibration damper with elastic element in the suspension.The vibration damper that adopts on the vehicle suspension at present mostly is passive type, realize cushioning effect such as traditional passive type hydraulic damper by the damping that fluid flows through one-way valve, 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 satisfy the requirement of riding comfort and travelling and driving safety.
Application number is that 201020628771.2 patent documentation discloses a kind of electromagnetic shock absorber, comprise upper cylinder, lower cylinder body, one end of upper cylinder is arranged in the lower cylinder body, upper cylinder and lower cylinder body are slidingly matched, be provided with decoupling rod in the upper cylinder, be provided with the stir yourself axle in the 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 the described decoupling rod, be provided with the second coil on the movable axis, the first coil, the second coil is connected with the power supply of outside respectively; Described decoupling rod, movable axis are threaded in respectively on upper cylinder, the lower cylinder body.
Existing electromagnetic shock absorber can not be according to the situation of road the size of suitable adjusting input current, and cause electromagnetic shock absorber damping adjusting function limited.
The model utility content
The utility model is for the scarce capacity of existing electromagnetic shock absorber damping adjusting, and a kind of adjustable electromagnetic vibration damper is provided, can be according to the accurate damping adjusting power of Vehicle Driving Cycle situation, thus improve riding comfort.
For addressing the above problem, the technological scheme that the utility model adopts is as follows:
A kind of adjustable electromagnetic vibration damper, comprise upper cylinder, lower cylinder body, one end of lower cylinder body is arranged in the upper cylinder, upper cylinder and lower cylinder body are slidingly matched, be provided with decoupling rod in the upper cylinder, be provided with movable axis in the 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 S utmost point homopolarity of the second permanent magnet is oppositely arranged, be provided with the first coil on the decoupling rod, be provided with the second coil on the movable axis, the first coil, the second coil is connected with the power-supply system of outside respectively, it is characterized in that: be equiped with linear acceleration transducer on described decoupling rod and the movable axis, described linear acceleration transducer is connected with the external power supply system.
Further, described linear acceleration transducer is the AD50T linear acceleration transducer.
Further, described AD50T linear acceleration transducer is installed on decoupling rod and the movable axis by screw thread.
Further, the tapped hole of described decoupling rod and movable axis is M5.
Working principle of the present utility model is: the acceleration transducer that is arranged on decoupling rod and the movable axis sends the motor message of decoupling rod and motion bar to power-supply system, power-supply system is provided with the MCU microprocessing unit, the MCU microprocessing unit is transferred to the electric current [strength size of coil according to the signal control power supply that receives, thereby change the magnetic force size that coil produces, realize the adjusting of damping force.
Compared with prior art, the utlity model has following beneficial effect:
One, the utility model is respectively equipped with linear acceleration transducer at decoupling rod and movable axis, linear acceleration transducer is connected with the external power supply system, power-supply system is provided with the MCU microprocessing unit, linear acceleration transducer sends the motor message on decoupling rod and the movable axis to the MCU microprocessing unit that is arranged in the power-supply system, the MCU microprocessing unit is transferred to coil according to the signal control power supply that receives electric current [strength size realizes the adjusting of damping force.Thereby improve the travelling comfort of taking.
Two, the utility model linear acceleration transducer adopts the AD50T linear acceleration transducer, has anti-interferencely, and noise is little, and cost performance is high, characteristics easy for installation, so that the utlity model has reliable performance, practical.
Three, AD50T linear acceleration transducer of the present utility model is installed on decoupling rod and the movable axis by screw thread, has the easily characteristics that mount and dismount.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Mark among the figure: 1 is decoupling rod, and 2 is upper cylinder, and 3 is linear acceleration transducer, and 4 is the first coil, and 5 is the first permanent magnet, and 6 is the second permanent magnet, and 7 is the second coil, and 8 is lower cylinder body, and 9 is movable axis.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described further.
In conjunction with Fig. 1, a kind of electromagnetic shock absorber that is provided with lubrication system, comprise upper cylinder 2, lower cylinder body 8, one end of lower cylinder body 8 is arranged in the upper cylinder 2, upper cylinder 2 is slidingly matched with lower cylinder body 8, be provided with decoupling rod 1 in the upper cylinder 2, be provided with movable axis 9 in the lower cylinder body 8, the lower end of decoupling rod 1 is provided with the first permanent magnet 5, the upper end of movable axis 9 is provided with the second permanent magnet 6, the first permanent magnet 5, the S utmost point homopolarity of the second permanent magnet 6 is oppositely arranged, and is provided with the first coil 4 on the decoupling rod 1, is provided with the second coil 7 on the movable axis 9, the first coil 4, the second coil 7 is connected with the power-supply system of outside respectively, dress is equiped with linear acceleration transducer by the tapped hole of M5 on decoupling rod 1 and the movable axis 9, and described linear acceleration transducer is connected with the external power supply system, and power-supply system is provided with the MCU microprocessing unit.The MCU microprocessing unit that the utility model adopts is prior art products.
Preferably, the utility model linear acceleration transducer is the AD50T linear acceleration transducer, and this sensor has anti-interference, and noise is little, and cost performance is high, characteristics easy for installation.The steady current of this sensor is 2-10mA, and output bias is 8-12VDC, and energizing voltage is 18-30VDC, and mounting torque is 20Kgf.cm, and serviceability temperature is-40-120 ℃.
Working principle of the present utility model is: be arranged on the MCU microprocessing unit that acceleration transducer on decoupling rod and the movable axis sends the motor message of decoupling rod and motion bar to power-supply system, the MCU microprocessing unit is transferred to the electric current [strength size of coil according to the signal control power supply that receives, thereby change the magnetic force size that coil produces, realize the adjusting of damping force.
Claims (4)
1. adjustable electromagnetic vibration damper, comprise upper cylinder, lower cylinder body, one end of lower cylinder body is arranged in the upper cylinder, upper cylinder and lower cylinder body are slidingly matched, be provided with decoupling rod in the upper cylinder, be provided with movable axis in the 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 S utmost point homopolarity of the second permanent magnet is oppositely arranged, be provided with the first coil on the decoupling rod, be provided with the second coil on the movable axis, the first coil, the second coil is connected with the power-supply system of outside respectively, it is characterized in that: be equiped with linear acceleration transducer on described decoupling rod and the movable axis, described linear acceleration transducer is connected with the external power supply system.
2. adjustable electromagnetic vibration damper according to claim 1, it is characterized in that: described linear acceleration transducer is the AD50T linear acceleration transducer.
3. adjustable electromagnetic vibration damper according to claim 2, it is characterized in that: described AD50T linear acceleration transducer is installed on decoupling rod and the movable axis by screw thread.
4. adjustable electromagnetic vibration damper according to claim 3, it is characterized in that: the tapped hole of described decoupling rod and movable axis is M5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543706 CN202833811U (en) | 2012-10-23 | 2012-10-23 | Adjustable electromagnetic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543706 CN202833811U (en) | 2012-10-23 | 2012-10-23 | Adjustable electromagnetic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833811U true CN202833811U (en) | 2013-03-27 |
Family
ID=47945523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220543706 Expired - Fee Related CN202833811U (en) | 2012-10-23 | 2012-10-23 | Adjustable electromagnetic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833811U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737164A (en) * | 2019-02-25 | 2019-05-10 | 安徽瑞达机械有限公司 | A kind of adjustable permanent-magnet body damping device |
| CN110792723A (en) * | 2019-09-26 | 2020-02-14 | 河南德力新能源汽车有限公司 | Rigidity self-adaptation formula suspension damping device for electric automobile |
| CN113685471A (en) * | 2020-05-18 | 2021-11-23 | 湖南工业大学 | Light-operated electromagnetic shock absorber and control system thereof |
| CN114562534A (en) * | 2020-11-27 | 2022-05-31 | 比亚迪股份有限公司 | Buffer block, buffer block rigidity control method and automobile suspension system |
-
2012
- 2012-10-23 CN CN 201220543706 patent/CN202833811U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737164A (en) * | 2019-02-25 | 2019-05-10 | 安徽瑞达机械有限公司 | A kind of adjustable permanent-magnet body damping device |
| CN109737164B (en) * | 2019-02-25 | 2021-09-07 | 安徽瑞达机械有限公司 | Adjustable permanent magnet damping device |
| CN110792723A (en) * | 2019-09-26 | 2020-02-14 | 河南德力新能源汽车有限公司 | Rigidity self-adaptation formula suspension damping device for electric automobile |
| CN113685471A (en) * | 2020-05-18 | 2021-11-23 | 湖南工业大学 | Light-operated electromagnetic shock absorber and control system thereof |
| CN114562534A (en) * | 2020-11-27 | 2022-05-31 | 比亚迪股份有限公司 | Buffer block, buffer block rigidity control method and automobile suspension system |
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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: 20130327 Termination date: 20131023 |