Temperature adjusting type damper

By incorporating a temperature regulating component into the damper and adjusting the damping fluid temperature using a heating tube or liquid medium, the performance fluctuation problem caused by temperature changes in the damping fluid viscosity is solved, achieving stable performance and high reliability of the damper under different temperature environments.

CN223938545UActive Publication Date: 2026-02-24GERB QINGDAO VIBRATION CONTROL +1
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Patent Information

Application Number
CN202520741140.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-02-24
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

In existing technologies, the damping performance of viscous dampers is greatly affected by temperature changes, leading to changes in the viscosity of the damping fluid and affecting the performance stability of the damper. Existing technologies cannot effectively solve this problem.

Method used

By incorporating temperature regulation components, including a housing, core, and temperature control module, into the damper, precise control of the damping fluid temperature can be achieved through the use of heating tubes or liquid media for temperature regulation.

Benefits of technology

It achieves stable performance of the damper under different temperature environments, avoids performance fluctuations of the damping fluid caused by temperature changes, and features simple structure, low cost, and convenient application.

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Abstract

The utility model relates to the technical field of vibration and noise control, in particular to a temperature adjusting type damper. The damper comprises a damping cylinder, a damping rod and damping liquid, the damping cylinder contains the damping liquid, the damping rod is partially inserted into the damping liquid, the damping cylinder is fixed on a base structure, the damping rod is connected with a controlled object, the damper further comprises a temperature adjusting component, the temperature adjusting component comprises a shell, an inner core and a temperature control module, the shell is in direct contact with the damping liquid, and the temperature control module is connected with the inner core. The inner core is arranged in the shell and electrically connected with the temperature control module. The temperature adjusting type damper further has the advantages of being simple in structure, low in cost, high in reliability, convenient to apply, wide in application range and the like.
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Description

Technical Field

[0001] This utility model relates to the field of vibration and noise control technology, and in particular to a temperature-regulating damper for controlling the vibration of equipment such as machinery and pipelines. Background Technology

[0002] Viscous dampers typically consist of an upper shell, a lower shell, a damping rod, and a damping fluid. The lower shell contains the damping fluid and is connected to the foundation structure. The upper shell is connected to the damping rod and the controlled structure, with the damping rod immersed in the damping fluid. During operation, the controlled structure drives the damping rod to reciprocate within the damping fluid via the upper shell. Vibrational energy is dissipated through the shearing action of the damping rod on the damping fluid. The viscosity characteristics of the damping fluid determine the damping performance of the damper. The performance of the damping fluid is often significantly affected by temperature; as the temperature decreases, the viscosity of the damping fluid increases, and as the temperature increases, the viscosity decreases, as illustrated by the viscous damper containing swingable umbrella-shaped blades described in Chinese Patent Publication No. CN112267592A. Therefore, temperature is a crucial factor that must be considered when applying viscous dampers. Furthermore, during operation, the viscous damper continuously converts the vibrational energy of the controlled structure into heat, leading to an increase in the temperature of the damping fluid. For some temperature-sensitive damping fluids, this problem also significantly causes changes in the performance of viscous dampers.

[0003] In conclusion, the market urgently needs a damper that can regulate its own temperature. Utility Model Content

[0004] The technical problem this invention aims to solve is to overcome the shortcomings of existing technologies and provide a temperature-adjustable damper that can adjust the damping fluid temperature as needed at the work site, thereby achieving the target of a specific working state. Furthermore, this temperature-adjustable damper also features a simple structure, low cost, and convenient adjustment.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A temperature-regulating damper includes a damping cylinder, a damping rod, and a damping fluid. The damping cylinder contains the damping fluid, and the damping rod is partially inserted into the damping fluid. The damping cylinder is fixed to a foundation structure, and the damping rod is connected to the controlled object. The present invention also includes a temperature regulating component, which includes a shell, a core, and a temperature control module. The shell is in direct contact with the damping fluid, the core is located inside the shell, and the core is electrically connected to the temperature control module.

[0007] Furthermore, the housing of the temperature regulating component is a core rod disposed in the damping cylinder, and the core is a heating tube; the core rod is hollow, with a closed top and an open bottom; the heating tube is installed in the core rod, and the damping cylinder is provided with an electrical interface for the heating tube.

[0008] Furthermore, the temperature regulating component also includes a temperature sensor, which is disposed in the damping cylinder and electrically connected to the temperature control module.

[0009] Furthermore, the housing of the temperature regulating component is a sleeve, and the sleeve wall is provided with a hollow interlayer. The core is a liquid medium and is located in the interlayer. Correspondingly, the housing is provided with an inlet port and an outlet port. The temperature regulating component also includes a liquid storage tank, a liquid temperature regulating module and a liquid delivery module. A liquid pipeline is provided between the damping cylinder and the temperature control module.

[0010] Furthermore, the sleeve and the damping cylinder are integrally formed on the cylinder wall.

[0011] Furthermore, the housing of the temperature regulating component is a sleeve, and the sleeve has a hollow interlayer on its wall. The core is a semiconductor heating element disposed in the interlayer. The sleeve is fixed on a damping cylinder, and the damping cylinder has an electrical interface for the semiconductor heating element.

[0012] Compared with the prior art, this utility model has the following advantages:

[0013] (1) This utility model uses a temperature regulating component to adjust the temperature of the damping fluid in the damper at the engineering site, thereby ensuring that the damper works in a predetermined state.

[0014] (2) When the temperature regulating component is equipped with a jacketed sleeve structure, it can use a liquid medium or a semiconductor heating element for temperature adjustment, realizing both heating and cooling functions. This effectively addresses the impact of excessively high or low ambient temperatures on the damper, and also addresses the issue of the damping fluid itself heating up and affecting damping performance during continuous operation. In addition, there is no power input or only a low-voltage power input on the damper body at this time, thus ensuring better electrical safety performance.

[0015] (3) The temperature-regulating damper of this utility model also has the characteristics of simple structure, low cost, high reliability, convenient application and wide applicability. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the temperature-regulating damper of this utility model in Embodiment 1.

[0017] Figure 2 This is a schematic diagram of the temperature-regulating damper of this utility model in Embodiment 2.

[0018] Figure 3 This is a schematic diagram of the temperature-regulating damper of this utility model in Embodiment 3. Detailed Implementation

[0019] Example 1

[0020] like Figure 1 As shown, the temperature-regulating damper in this embodiment includes a damping cylinder 1, a damping rod 2, and a damping fluid 3, as well as a temperature regulating component. The temperature regulating component includes a housing 4, a core 5, a temperature control module 6, a temperature sensor 7, an electrical interface 8, and a cable 9. The housing 4 is a core rod disposed in the damping cylinder. The core rod is hollow, closed at the top, and open at the bottom. The core 5 is a heating tube installed in the core rod. The housing 4 is in direct contact with the damping fluid 3. The damping cylinder 1 contains the damping fluid 3. The damping rod 2 is partially inserted into the damping fluid 3. The damping cylinder 1 is provided with an electrical interface 8. The core 5 and the temperature sensor 7 are electrically connected to the temperature control module 6 through the electrical interface 8 and the cable 9.

[0021] In this embodiment, the core 5 is a heating tube, which is a resistance heating element. When energized, it generates heat internally and dissipates it externally through the outer casing. In practical applications, its structure and electrical performance parameters need to be specifically determined and designed according to the actual working conditions; its specific structural form and performance parameters will not be detailed here. The temperature sensor 7 can be various types of temperature sensing elements such as resistance temperature detectors (RTDs) and thermocouples. The temperature control module 6 can be a basic temperature sensing and control device, or a temperature controller based on a PLC or microcontroller. As long as it has temperature measurement and heating tube power supply control functions, it is acceptable; further examples will not be provided here. In application, the damping cylinder 1 is fixed to the foundation structure via the base plate 11, and the damping rod 2 is connected to the controlled object via the top plate 21. The structural forms of the base plate 11 and the top plate 21 will not be detailed here.

[0022] The housing 4 is a core rod housed within the damping cylinder. The core rod is hollow, closed at the top and open at the bottom, housing the heating tube and directly contacting the damping fluid. This structure serves several purposes: first, the core rod's central position within the damping cylinder and direct contact with the damping fluid allows the inner wall of the damping rod to exert a shearing effect on the damping fluid, enhancing the damping performance of the damper; second, it directly transfers heat from the heating tube to the damping fluid; third, it prevents the heating tube from directly contacting the damping fluid, avoiding damage from the high temperature on the heating tube surface; and fourth, it facilitates the maintenance and replacement of the heating tube, preventing any impact on the damping fluid during disassembly and assembly. Since the lifespan of the heating tube is currently measured in hours, while the lifespan of the damping fluid and damper is measured in years, the heating tube will inevitably require multiple maintenance and replacements within the lifespan of a temperature-regulated damper. Furthermore, the damping fluid is typically viscous and prone to adhesion, making spillage difficult to clean. Therefore, isolating the heating tube and the damping fluid is essential to prevent spillage at its source.

[0023] In this embodiment, the temperature-regulating damper uses an adjusting screw and a locking nut to adjust the depth of the damping rod inserted into the damping fluid via threaded motion, enabling on-site adjustment of the damping performance. It also features high adjustment accuracy, simple structure, low cost, convenient application, and reliable performance.

[0024] Example 2

[0025] like Figure 2 As shown, the temperature-regulating damper in this embodiment includes a damping cylinder 1, a damping rod 2, and a damping liquid 3. It also includes a temperature regulating component, which includes a shell, a core, a temperature control module 6, a temperature sensor 7, an electrical interface 8, and a cable 9. The temperature regulating component also includes a liquid storage tank 61, a liquid temperature regulating module 62, and a liquid delivery module 63. The shell is a sleeve integrally formed with the wall of the damping cylinder 1. The sleeve has a hollow interlayer on its wall. The core 5 is a liquid medium and is located in the interlayer of the sleeve. The sleeve has an inlet port 51 and an outlet port 52. A liquid pipeline 53 is provided between the damping cylinder 1 and the temperature control module 6. The sleeve is in direct contact with the damping liquid 3. The damping cylinder 1 contains the damping liquid 3. The damping rod 2 is partially inserted into the damping liquid 3. The temperature sensor 7 is electrically connected to the temperature control module 6 through the cable 9.

[0026] The liquid medium can be various types, such as heat transfer oil, antifreeze, and water. Antifreeze is selected in this embodiment, and its specific specifications and models will not be detailed here. The temperature control module, liquid storage tank, liquid temperature regulation module, and liquid delivery module can be integrated into one unit, as long as they can achieve the functions of liquid temperature regulation, transmission, and storage. Their specific structures will not be described in detail here. It should be noted that the liquid temperature regulation module has both heating and cooling functions for the liquid medium, thus enabling the temperature-regulating damper in this embodiment to have both heating and cooling functions for the damping fluid.

[0027] In this embodiment, the temperature-regulating damper first regulates the temperature of the liquid medium outside the damper body, then delivers the liquid medium to the damper body, and utilizes the shell of the temperature regulation component for heat exchange to achieve temperature control of the damping fluid. The advantages of this technical solution are: firstly, the liquid medium temperature can be precisely and reasonably regulated, enabling more accurate temperature adjustment and avoiding excessively high or low temperatures contacting the damping fluid, thus preventing drastic temperature changes during temperature regulation; secondly, there is no power input on the damper body, avoiding electrical safety issues; and thirdly, the ability to regulate the temperature of the damping fluid makes the temperature-regulating damper more widely applicable.

[0028] Example 3

[0029] like Figure 3As shown, the difference between this embodiment and Embodiment 2 is that the temperature regulating component includes a shell, a core, a temperature control module 6, a temperature sensor 7, an electrical interface 8, and a cable 9. The shell 4 is a sleeve with a hollow interlayer on its wall. The core 5 is a semiconductor heating element and is located in the interlayer of the sleeve. The temperature sensor 7 and the semiconductor heating element are electrically connected to the temperature control module 6 through the electrical interface 8 and the cable 9.

[0030] Semiconductor heating elements have heating and cooling functions. The specific function conversion is adjusted and controlled by the temperature control module. The specific technology and structural scheme of this function will not be described in detail here.

[0031] The advantages of the temperature-regulating damper in this embodiment include the following: cooling or heating is achieved through semiconductor elements, only a low-voltage power supply is input to the damper body, resulting in higher reliability in terms of electrical safety; at the same time, the switching between hot and cold modes of the semiconductor heating element is more convenient and faster.

Claims

1. A temperature-regulating damper, comprising a damping cylinder, a damping rod, and a damping fluid, wherein the damping cylinder contains the damping fluid, the damping rod is partially inserted into the damping fluid, the damping cylinder is fixed to a foundation structure, and the damping rod is connected to the controlled object, characterized in that... It also includes a temperature regulating component, which consists of a housing, a core, and a temperature control module. The housing is in direct contact with the damping fluid, the core is located inside the housing, and the core is electrically connected to the temperature control module.

2. The temperature-regulating damper as described in claim 1, characterized in that, The housing of the temperature regulating component is a core rod set in the damping cylinder, and the core is a heating tube; the core rod is hollow, closed at the top and open at the bottom; the heating tube is installed in the core rod, and the damping cylinder is provided with an electrical interface for the heating tube.

3. The temperature-regulating damper as described in claim 1, characterized in that, The temperature regulating component also includes a temperature sensor, which is installed in the damping cylinder and electrically connected to the temperature control module.

4. The temperature-regulating damper as described in claim 1, characterized in that, The housing of the temperature regulating component is a sleeve, and the sleeve wall has a hollow interlayer. The core is a liquid medium and is located in the interlayer. Correspondingly, the housing has an inlet port and an outlet port. The temperature regulating component also includes a liquid storage tank, a liquid temperature regulating module and a liquid delivery module. A liquid pipeline is provided between the damping cylinder and the temperature control module.

5. The temperature-regulating damper as described in claim 4, characterized in that, The sleeve and the damping cylinder are integrally formed.

6. The temperature-regulating damper as described in claim 1, characterized in that, The housing of the temperature regulating component is a sleeve, and the sleeve wall has a hollow interlayer. The core is a semiconductor heating element and is located in the interlayer. The sleeve is fixed on a damping cylinder, and the damping cylinder has an electrical interface for the semiconductor heating element.

Citation Information

Patent Citations

  • Viscous damper comprising swingable umbrella type blades

    CN112267592A