CN220248785U

CN220248785U - Magneto-rheological damper

Info

Publication number: CN220248785U
Application number: CN202321805311.6U
Authority: CN
Inventors: 张池; 王宝来; 饶锐; 王志杰; 梁泳泉; 南霞; 蒋雷雷; 王阳; 王超
Original assignee: Research Institute Of Yantai Harbin Engineering University
Current assignee: Research Institute Of Yantai Harbin Engineering University
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-26
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a magnetorheological damper which comprises a magnetorheological damper body and a cooling device sleeved outside the magnetorheological damper body, wherein the cooling device consists of a cooling jacket and a refrigerating box, one side of the cooling jacket is communicated with one side of the refrigerating box through a return pipe, and the other side of the cooling jacket is communicated with the other side of the refrigerating box through an output pipe and a pump body. According to the utility model, the cooling device is arranged, so that the cooling jacket is sleeved outside the magnetorheological damper body, and then the cooling water poured into the cooling jacket is contacted with the shell of the magnetorheological damper body, so that the effect of helping the magnetorheological damper body to cool down is achieved, the magnetorheological damper body is helped to timely discharge heat, the condition that the internal temperature of the magnetorheological damper body is too high after the magnetorheological damper body works for a long time is prevented, and the cooling jacket and the inside of the refrigeration box realize cooling water circulation, so that the durability of the cooling effect is maintained.

Description

Magneto-rheological damper

Technical Field

The utility model relates to the technical field of automobile suspension dampers, in particular to a magneto-rheological damper.

Background

In the running process of the automobile, the contact between the wheels and the ground can cause vibration of the automobile, and when the automobile runs at a high speed or the road condition is bad, the vibration can be aggravated, and even the running safety of people is threatened. In order to reduce the vibration amplitude in the running process of the automobile, a technician introduces a damper into an automobile suspension system, and magnetorheological fluid has the outstanding advantages of controllability, reversibility, quick response and the like, and the magnetorheological damper made of the magnetorheological fluid is an ideal element for realizing semi-active control of vibration or impact.

The piston in the damping cylinder of the existing magnetorheological damper repeatedly stretches in the process of damping the automobile, the temperature in the damping cylinder is easily increased due to long-time friction operation of the piston and the damping cylinder, and the effect of the magnetorheological fluid is easily affected due to untimely heat dissipation due to too high temperature.

Disclosure of Invention

In view of the shortcomings of the prior art, the present utility model provides a magnetorheological damper that addresses the problems noted in the background above.

The magnetorheological damper comprises a magnetorheological damper body and a cooling device sleeved outside the magnetorheological damper body, wherein the magnetorheological damper body consists of a damping cylinder, a piston slidably installed inside the damping cylinder, a damping generator and a liquid storage tank, the damping generator and the liquid storage tank are connected to the bottom of the damping cylinder, a first pipeline is arranged on the outer side of the damping cylinder, one end of the first pipeline is communicated with an opening at the top end of the damping cylinder, the other end of the first pipeline is communicated with a left port of the damping generator, a second pipeline is connected with a right port of the damping generator, the second pipeline is communicated with an opening at the bottom of the damping cylinder, the second pipeline is communicated with the liquid storage tank through a branch pipe, and check valves are installed inside the piston and the second pipeline;

the cooling device consists of a cooling jacket and a refrigerating box, one sides of the cooling jacket and the refrigerating box are communicated through a return pipe, and the other sides of the cooling jacket and the refrigerating box are communicated with the pump body through an output pipe.

Further, the connection points of the output pipe and the return pipe with the cooling jacket are respectively arranged at two opposite angles of the cooling jacket.

Further, a spiral guide vane is arranged in the cooling jacket, and extends along the length direction of the cooling jacket to form a spiral water guide cavity in the cooling jacket.

Further, a semiconductor refrigerating sheet is arranged in the middle of the bottom of the refrigerating box.

Further, a temperature sensor is installed around a connection point of the inner part of the refrigeration box, which is close to the return pipe, a controller is installed on the side edge of the bottom of the refrigeration box, the output end of the controller is electrically connected with the semiconductor refrigeration piece, and the input end of the controller is electrically connected with the temperature sensor.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the cooling device is arranged, so that the cooling jacket is sleeved outside the magnetorheological damper body, and then the cooling water poured into the cooling jacket is contacted with the shell of the magnetorheological damper body, so that the effect of helping the magnetorheological damper body to cool down is achieved, the magnetorheological damper body is helped to timely discharge heat, the condition that the internal temperature of the magnetorheological damper body is too high after the magnetorheological damper body works for a long time is prevented, and the cooling jacket and the inside of the refrigeration box realize cooling water circulation, so that the durability of the cooling effect is maintained.

Drawings

FIG. 1 is a schematic diagram of a split structure of a magnetorheological damper body and a cooling device of the present utility model;

FIG. 2 is a schematic cross-sectional view of a magnetorheological damper body in accordance with the present utility model;

FIG. 3 is a schematic view showing a bottom perspective structure of the cooling device of the present utility model;

FIG. 4 is a schematic top view of a cooling device according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a cooling device according to the present utility model.

In the figure: 1. a magnetorheological damper body; 11. a damping cylinder; 12. a piston; 13. a first pipeline; 14. a damping generator; 15. a liquid storage tank; 16. a second pipeline; 17. a check valve; 2. a cooling device; 21. a cooling jacket; 211. spiral guide vanes; 22. a refrigeration box; 23. a return pipe; 24. an output pipe; 25. a pump body; 26. a controller; 27. a semiconductor refrigeration sheet; 28. a temperature sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a magnetorheological damper comprises a magnetorheological damper body 1 and a cooling device 2, wherein the magnetorheological damper body 1 is composed of a damping cylinder 11, a piston 12 slidably installed in the damping cylinder 11, a damping generator 14 and a liquid storage tank 15 connected to the bottom of the damping cylinder 11, wherein the damping generator 14 and the liquid storage tank 15 are distributed at the bottom of the damping cylinder 11 side by side left and right, a first pipeline 13 is arranged on the left outer wall of the damping cylinder 11, the upper end of the first pipeline 13 is connected with an opening at the left end of the top end of the damping cylinder 11 so as to be communicated with a space above the piston 12 in the damping cylinder 11, the lower end of the first pipeline 13 is communicated with the left end of the damping generator 14, a second pipeline 16 is connected with the right end of the damping generator 14, the second pipeline 16 is communicated with the opening at the bottom of the damping cylinder 11, and the second pipeline 16 is communicated with the liquid storage tank 15 through a branch pipe, and in order to prevent backflow of magnetorheological fluid, check valves 17 are installed in the piston 12 and the second pipeline 16.

Referring to fig. 1 and 3-5, considering that the piston 12 repeatedly stretches and rubs inside the damping cylinder 11 to generate heat in the damping process, the heat is accumulated inside the damping cylinder 11 to easily influence the use effect of magnetorheological fluid, therefore, the cooling device 2 is sleeved outside the magnetorheological damper body 1, the cooling device 2 is composed of a cooling jacket 21 and a refrigerating box 22, wherein the cooling jacket 21 is sleeved outside the shell of the magnetorheological damper body 1, the shell of the magnetorheological damper body 1 and the cooling jacket 21 are both in cylindrical structures, cooling water is filled inside the cooling jacket 21, the cooling water contacts the shell of the magnetorheological damper body 1, the interior of the magnetorheological damper body 1 can be cooled and cooled, the refrigerating box 22 is internally used for storing cooling water, in order to keep the stability of the cooling effect, a return pipe 23 is arranged on the right side of the cooling jacket 21 and the refrigerating box 22, the upper end of the return pipe 23 is communicated with the interior of the cooling jacket 21, output pipes 24 and 25 are arranged on the left side of the cooling jacket 21, the water inlet end of the pump body 25 is communicated with the interior of the refrigerating box 22, the water outlet pipe 24 is communicated with the water outlet end of the pump body 24, and the cooling jacket 24 is further communicated with the cooling jacket 24, and the cooling effect is further kept between the cooling jacket 24 and the cooling jacket 24.

Referring to fig. 4-5, in order to further improve the uniformity of the cooling effect, the connection points of the output pipe 24 and the return pipe 23 with the cooling jacket 21 are respectively disposed at two opposite angles of the cooling jacket 21, and meanwhile, a spiral guide vane 211 is disposed in the cooling jacket 21, and the spiral guide vane 211 extends in the cooling jacket 21 along the length direction of the cooling jacket 21 to form a spiral water guiding cavity, so that the circulating cooling water can flow through each position of the cooling jacket 21, and further the cooling water pumped out of the refrigeration box 22 is prevented from flowing back in advance.

Referring to fig. 4-5, in order to maintain the cooling effect of the cooling water for a long time and reduce the problem of the cooling effect of the cooling water rising due to heat absorption, a semiconductor cooling plate 27 is installed in the middle of the bottom of the cooling box 22, the semiconductor cooling plate 27 can cool the cooling water inside the cooling box 22, meanwhile, a temperature sensor 28 is installed around the connection point of the cooling box 22, which is close to the return pipe 23, in the interior of the cooling box 22, a controller 26 is installed on the bottom side of the cooling box 22, the output end of the controller 26 is electrically connected with the semiconductor cooling plate 27, the input end of the controller 26 is electrically connected with the temperature sensor 28, the temperature sensor 28 can detect the temperature of the cooling water flowing back, and the working state of the semiconductor cooling plate 27 is intelligently controlled through the controller 26.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magneto-rheological damper, includes magneto-rheological damper body (1) and cover establish at outside heat sink (2) of magneto-rheological damper body (1), its characterized in that: the magnetorheological damper comprises a damper body (1) and a damper body, wherein the damper body is composed of a damper cylinder (11), a piston (12) slidably mounted in the damper cylinder (11), a damper generator (14) and a liquid storage tank (15), the damper generator (14) is connected to the bottom of the damper cylinder (11), a first pipeline (13) is arranged on the outer side of the damper cylinder (11), one end of the first pipeline (13) is communicated with an opening at the top end of the damper cylinder (11), the other end of the first pipeline is communicated with a left port of the damper generator (14), a second pipeline (16) is connected to a right port of the damper generator (14), the second pipeline (16) is communicated with the opening at the bottom of the damper cylinder (11), the second pipeline (16) is communicated with the liquid storage tank (15) through a branch pipe, and check valves (17) are mounted in the piston (12) and the second pipeline (16);

the cooling device (2) consists of a cooling jacket (21) and a refrigerating box (22), one sides of the cooling jacket (21) and the refrigerating box (22) are communicated through a return pipe (23), and the other sides of the cooling jacket (21) and the refrigerating box (22) are communicated with a pump body (25) through an output pipe (24).

2. The magnetorheological damper of claim 1, wherein: the connection points of the output pipe (24) and the return pipe (23) with the cooling jacket (21) are respectively arranged at two opposite angles of the cooling jacket (21).

3. The magnetorheological damper of claim 1, wherein: the cooling jacket (21) is internally provided with a spiral guide vane (211), and the spiral guide vane (211) extends in the length direction of the cooling jacket (21) to form a spiral water guide cavity inside the cooling jacket (21).

4. The magnetorheological damper of claim 1, wherein: a semiconductor refrigerating sheet (27) is arranged in the middle of the bottom of the refrigerating box (22).

5. The magnetorheological damper of claim 4, wherein: a temperature sensor (28) is arranged around a connecting point of the interior of the refrigerating box (22) close to the return pipe (23), a controller (26) is arranged on the side edge of the bottom of the refrigerating box (22), the output end of the controller (26) is electrically connected with the semiconductor refrigerating sheet (27), and the input end of the controller (26) is electrically connected with the temperature sensor (28).