CN114278539B - Vibration damper, compressor and vehicle-mounted air conditioner - Google Patents
Vibration damper, compressor and vehicle-mounted air conditioner Download PDFInfo
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- 230000001276 controlling effect Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
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Abstract
The invention relates to the technical field of vehicle-mounted air conditioners, in particular to a vibration damper, a compressor and a vehicle-mounted air conditioner. The vehicle-mounted air conditioner comprises a compressor, the compressor comprises a vibration device and a vibration damping device, the vibration device is a compressor body, the vibration damping device comprises a vibration damping assembly, a detection assembly and a control component, the vibration damping assembly is arranged at the bottom of the vibration device and fixedly connected with the vibration device, the rigidity of the vibration damping assembly is variable, the detection assembly is electrically connected with the vibration device, the working condition of the vibration device is detected, the control component is electrically connected with the detection assembly, and the control component can control the rigidity of the vibration damping assembly to change according to the working condition detected by the detection assembly. Through the vibration damper, the rigidity of the vibration damper is flexibly changed by the control component according to different working conditions of the vibration damper detected by the detection component, the requirements of the vibration damper on different rigidity of the vibration damper at the bottom of the vibration damper under different working conditions are met, and the design difficulty of a pipeline structure of the compressor can be reduced.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted air conditioners, in particular to a vibration damper, a compressor and a vehicle-mounted air conditioner.
Background
In the vehicle air conditioner, a compressor is used as a core component of the vehicle air conditioner, and is used for compressing a low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant to achieve the purpose of cooling or heating, wherein in the vehicle air conditioner limited by an installation space, the compressor uses a horizontal compressor.
Because the horizontal compressor in the vehicle-mounted air conditioner can generate vibration and noise in the working process, in order to reduce the working vibration and noise of the horizontal compressor and prolong the service life of the horizontal compressor, a vibration damping device is usually arranged at the bottom of a compressor body of the horizontal compressor, and the vibration damping device is utilized to damp the compressor body, so that the influence caused by the vibration and the noise is reduced.
The horizontal compressor in the current vehicle-mounted air conditioner generally has two working conditions, one is an operation working condition, the other is a transportation working condition, the horizontal compressor has different rigidity requirements on a vibration damping device at the bottom of the horizontal compressor when in operation or transportation working condition, however, the vibration damping device of the traditional horizontal compressor cannot flexibly change the rigidity of the vibration damping device according to the working condition, and therefore, when the pipeline structure of the horizontal compressor is designed, the operation and transportation working conditions of the horizontal compressor in the vehicle-mounted air conditioner need to be considered at the same time, and the pipeline structure design difficulty is high.
Disclosure of Invention
The main purposes of the invention are: the utility model provides a vibration damper, compressor and on-vehicle air conditioner, aims at solving current vibration damper can not be according to the nimble change self rigidity of operating mode, the higher problem of the pipeline structural design degree of difficulty.
In order to achieve the technical problem, the invention provides a vibration damping device which comprises a vibration damping assembly, a detection assembly and a control component, wherein the vibration damping assembly is arranged at the bottom of a vibration device and fixedly connected with the vibration device, the rigidity of the vibration damping assembly is variable, the detection assembly is electrically connected with the vibration device to detect the working condition of the vibration device, the control component is electrically connected with the detection assembly, and the control component can control the rigidity of the vibration damping assembly to change according to the working condition detected by the detection assembly.
Optionally, the vibration damping assembly comprises a foot pad and an adjusting piece, and the control component can control the adjusting piece according to the working condition detected by the detection assembly.
Optionally, the foot pad has an elastic structure and is used for being fixedly connected with the vibration device, the adjusting member is located on one side of the foot pad and is used for rigidly supporting the vibration device, and the rigid support of the adjusting member is adjustable in height.
Optionally, the adjusting part is an air piston, the vibration damping assembly further includes an air pump connected to the adjusting part, and the control part is electrically connected to the air pump.
Optionally, the vibration damping assembly comprises a plurality of the adjusting pieces, and the plurality of the adjusting pieces are uniformly arranged on the outer side of the foot pad.
Optionally, the foot pad is an elastic foot pad or a rubber foot pad.
Optionally, the control component is a solenoid valve.
Optionally, the detection assembly includes a signal acquisition component and a working condition identification component, the signal acquisition component is used for being electrically connected with the vibration device, and the working condition identification component is electrically connected with the signal acquisition component and the control component.
The invention also provides a compressor, which comprises a vibration device and the vibration damping device, wherein the vibration damping assembly is arranged at the bottom of the vibration device and is fixedly connected with the vibration device, the detection assembly is electrically connected with the vibration device so as to detect the working condition of the vibration device, and the vibration device is a compressor body.
Optionally, the compressor body is a horizontal compressor.
The invention further provides a vehicle-mounted air conditioner which comprises the compressor.
The invention has the beneficial effects that: the vibration damping device comprises a detection assembly, a control component and a vibration damping assembly, wherein the detection assembly is used for detecting the working condition of the vibration device, and the control component is used for controlling the rigidity change of the vibration damping assembly according to the detected working condition, so that the vibration device can be flexibly changed in rigidity by the control component according to different working conditions of the vibration device detected by the detection assembly, and the requirements of the vibration device on the different rigidities of the bottom of the vibration device under different working conditions are met.
Above-mentioned compressor, including vibrating device and the above-mentioned vibration damper of setting in the vibrating device bottom, vibrating device is the compressor body, through adopting above-mentioned vibration damper in the compressor, when reply different operating modes, can be according to the nimble change damping subassembly self rigidity of operating mode, make whole vibration damper can the different operating modes of reply vibrating device of pertinence, can reduce the design degree of difficulty of compressor pipeline structure like this, not only reduce the design cost of compressor pipeline structure, and the reliability of compressor pipeline structure has been improved.
Drawings
The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the construction of the vibration damping device of the present invention;
wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is as follows:
10. a vibration damping assembly; 11. a foot pad; 12. an adjustment member;
20. a detection component; 21. a signal acquisition component; 22. a condition identifying component;
30. a control part;
40. a wire;
210. a compressor tank;
220. a stand bracket.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
An embodiment of the present invention provides a vibration damping device, as shown in fig. 1, the vibration damping device includes a vibration damping assembly 10, the vibration damping assembly 10 is configured to be disposed at the bottom of a vibration device and fixedly connected to the vibration device by using screws, the vibration damping assembly 10 can reduce horizontal and vertical vibrations of the vibration device, so as to achieve effects of vibration damping and noise reduction, and the rigidity of the vibration damping assembly 10 is variable, so that when the vibration device is in different working conditions, such as operation or transportation working conditions, the rigidity of the vibration damping assembly 10 is changed, so that the vibration damping assembly 10 meets the rigidity requirement of the current working condition on the vibration damping assembly 10, and good effects of vibration damping and noise reduction are achieved. The vibration damping device further comprises a detection assembly 20 and a control component 30, wherein the detection assembly 20 is used for being electrically connected with the vibration device so as to detect whether the working condition of the vibration device is the operation working condition or the transportation working condition, meanwhile, the detection assembly 20 sends out a detection signal, the control component 30 is electrically connected with the detection assembly 20, the control component 30 receives the detection signal sent out by the detection assembly 20, and the control component 30 can control the rigidity change of the vibration damping assembly 10 according to the working condition detected by the detection assembly 20, namely the operation working condition or the transportation working condition.
The vibration damping device comprises a detection component 20, a control component 30 and a vibration damping component 10, wherein the detection component 20 is used for detecting the working condition of the vibration damping device, and the control component 30 is used for controlling the rigidity change of the vibration damping component 10 according to the detected working condition, so that the self rigidity of the vibration damping component 10 can be flexibly changed by utilizing the control component 30 according to different working conditions of the vibration damping device detected by the detection component 20, and the requirements of the vibration damping device on the bottom of the vibration damping device on different rigidity can be met under different working conditions.
In the embodiment, the damping module 10 includes a foot pad 11 and an adjusting member 12, and the control unit 30 can control the adjusting member 12 according to the operating condition detected by the detecting module 20. Namely, the vibration damping assembly 10 is composed of two parts, namely a foot pad 11 and an adjusting piece 12, vibration of the vibration device in the horizontal and vertical directions is reduced by arranging the foot pad 11, so that vibration damping and noise reduction effects are achieved, the effect of flexibly changing the rigidity of the foot pad 11 is achieved by arranging the adjusting piece 12, and different rigidity requirements of the vibration device on the vibration damping device at the bottom of the vibration device under different working conditions are met.
Further, in the present embodiment, the foot pad 11 has an elastic structure and is used for being fixedly connected with the vibration device, the adjusting member 12 is located at one side of the foot pad 11 and is used for rigidly supporting the vibration device, and the rigid support of the adjusting member 12 is adjustable in height. Specifically, the foot pad 11 with the elastic structure is fixed at the bottom of the vibration device by using screws, the vibration of the vibration device in the horizontal and vertical directions is reduced by the elastic structure of the foot pad 11, so as to achieve the effects of vibration reduction and noise reduction, the adjusting piece 12 is located at one side of the foot pad 11 and fixed at the bottom of the vibration device by using screws, the effect of rigidly supporting the vibration device from the bottom is achieved by the adjusting piece 12, and since the rigid support height of the adjusting piece 12 is adjustable, the rigid support height of the vibration device can be adjusted by controlling the adjusting piece 12, and the purpose of changing the rigidity of the foot pad 11 is achieved. This embodiment reduces the vibration through the callus on the sole 11 of fixing in the vibrating device bottom promptly, adjusts the rigid support height of vibrating device bottom simultaneously through regulating part 12 to adjust the highest height of callus on the sole 11, thereby realize the rigidity change of callus on the sole 11, this damping subassembly 10's overall structure sets up simply, easily nimble rigidity of adjusting, in addition, only need additionally increase fixed regulating part 12 can, the production installation is very simple.
In this embodiment, the adjusting element 12 is an air piston, the vibration damping module 10 further includes an air pump connected to the adjusting element 12, and the control unit 30 is electrically connected to the air pump. Because the adjusting part 12 is an air piston, when the rigidity of the foot pad 11 needs to be increased, air can be pumped out from the inside of the air piston through the air pump, so that the rigid supporting height of the adjusting part 12 to the vibrating device is reduced, the rigidity of the whole foot pad 11 is increased, and when the rigidity of the foot pad 11 needs to be reduced, air can be introduced into the inside of the air piston through the air pump, so that the rigid supporting height of the adjusting part 12 to the vibrating device is increased, and the rigidity of the whole foot pad 11 is reduced. So, through setting up air pump and air piston, the air pump can be by inside air pumping or to the inside gas that lets in of air piston, makes regulating part 12 reduce or rise to vibrating device's rigid support height to adjust the highest height of callus on the sole 11, thereby realize the effect that changes the rigidity of callus on the sole 11. Moreover, the control unit 30 is electrically connected to the air pump, and after the control unit 30 receives the detection signal sent by the detection assembly 20, the control unit 30 controls the air pump to pump air or ventilate the air piston according to the detected working condition, so as to adjust the rigid support height of the adjustment member 12 to the vibration device, and further adjust the maximum height of the foot pad 11, thereby achieving the purpose of controlling the rigidity of the foot pad 11.
In the present embodiment, the shock absorbing assembly 10 includes a plurality of adjusting members 12, and the plurality of adjusting members 12 are uniformly disposed on the outer side of the footpad 11. Specifically, in this embodiment, one adjusting member 12 may be respectively disposed on the left and right sides of the foot pad 11, the two adjusting members 12 are respectively fixed by screws, and the bottom of the vibration device is rigidly supported from the left and right sides by the two adjusting members 12, so that stability can be ensured. Of course, in other embodiments, one adjusting member 12 may be disposed on each of the front, rear, left, and right of the foot pad 11, or the number of the adjusting members 12 may be set as required.
In the present embodiment, the pad 11 is an elastic pad or a rubber pad. Through adopting elasticity callus on the sole or the rubber callus on the sole, when vibrating device's torsion action was on this callus on the sole 11, through this callus on the sole 11 can be good alleviate in the impact force of direction about and about with to reduce vibrating device vibration and noise in the course of the work. Of course, in other embodiments, the specific structure of the foot pad 11 is not limited as long as the impact force in different directions can be relieved.
In the present embodiment, the control part 30 is a solenoid valve. Specifically, in this embodiment, the vibration damping device further includes an air pipe, and the electromagnetic valve is connected to the air pump through the air pipe. The electromagnetic valve is used as the control component 30 to receive the detection signal sent by the detection component 20, and the air pump is controlled to pump air or ventilate air for the air piston, so that the self-adaptive change of the rigidity of the foot pad 11 is controlled through the electromagnetic valve, and the whole process is very automatic.
In this embodiment, the detecting assembly 20 includes a signal collecting component 21 and a condition identifying component 22, the signal collecting component 21 is used for being electrically connected to the vibrating device, and the condition identifying component 22 is electrically connected to the signal collecting component 21 and the control component 30. Specifically, the signal acquisition unit 21 acquires stress data of an environment where the vibration device is located, the signal acquisition unit 21 sends the stress data to the working condition identification unit 22, the working condition identification unit 22 judges the stress data of the environment where the vibration device is located according to the stress data, the working condition identification unit 22 sends detection signals such as the operation frequency and the like to the control unit 30 in combination with the operation of the vibration device, and the control unit 30 controls the air pump to pump air to the air piston or ventilate air according to the detected working condition, so that the maximum height of the foot pad 11 is adjusted, and the rigidity of the foot pad 11 is changed.
Further, in this embodiment, the vibration damping device further includes a lead 40, the signal acquisition component 21 is electrically connected to the operating condition identification component 22 through the lead 40, and the operating condition identification component 22 is electrically connected to the control component 30 through the lead 40.
Another embodiment of the present invention provides a compressor including the above vibration damping device, as shown in fig. 1, the compressor further includes a vibration device, the vibration damping assembly 10 is disposed at the bottom of the vibration device and fixedly connected to the vibration device by using screws, the detection assembly 20 is electrically connected to the vibration device to detect whether the working condition of the vibration device is an operation or transportation working condition, and the control component 30 is electrically connected to the detection assembly 20 to control the stiffness change of the vibration damping assembly 10 according to the detected working condition. Therefore, when the vibration device is in different working conditions, such as operation or transportation working conditions, the vibration device can automatically adjust the rigidity of the vibration damping assembly 10 according to the current working condition, so that the vibration of the vibration device in the horizontal and vertical directions is reduced, and a good vibration damping and noise reduction effect is achieved, wherein the vibration device is a compressor body.
Above-mentioned compressor, including vibrating device and the above-mentioned vibration damper of setting in the vibrating device bottom, vibrating device is the compressor body, through adopting above-mentioned vibration damper in the compressor, when reply different operating modes, can be according to the nimble change damping subassembly 10 self rigidity of operating mode, make whole vibration damper can the different operating modes of reply vibrating device of pertinence, can reduce the design degree of difficulty of compressor pipeline structure like this, the design cost of compressor pipeline structure has not only been reduced, and the reliability of compressor pipeline structure has been improved.
In this embodiment, the compressor body includes a compressor tank 210 and a foot rest 220, the foot rest 220 is rigidly connected to the compressor tank 210 to support the compressor tank 210, the vibration damping module 10 is fixedly connected to the foot rest 220 by screws, the control component 30 is installed above the foot rest 220, and the control component 30 is connected to the adjusting member 12 of the vibration damping module 10 by an air pump. According to the working conditions detected by the signal acquisition component 21 and the working condition identification component 22, the control component 30 can control the air pump to pump air or ventilate air for the air piston, so as to control the height of the foot support 220, further control the highest height of the foot pad 11, and achieve the purpose of controlling the rigidity of the foot pad 11.
In this embodiment, the compressor body is a horizontal compressor.
In the present embodiment, four vibration damping assemblies 10 are provided, and the four vibration damping assemblies 10 are respectively provided at four corners of the machine foot bracket 220. The horizontal compressor is damped from four corners through four damping assemblies 10, and good damping and noise reduction effects can be achieved. Further, in the present embodiment, with respect to four vibration damping modules 10, the four vibration damping modules 10 can be simultaneously subjected to stiffness control by one set of the detection module 20 and the control member 30.
Still another embodiment of the present invention provides a vehicle air conditioner including the above compressor. Since the installation space of the compressor in the vehicle air conditioner is limited, a horizontal compressor is generally used in the vehicle air conditioner, the horizontal compressor is installed in the vehicle air conditioner, the vibration damping assembly 10 is connected with the machine leg bracket 220 of the horizontal compressor by using a screw, the control component 30 is installed above the machine leg bracket 220 of the horizontal compressor, and the signal acquisition component 21 and the operating condition recognition component 22 are installed in the vehicle air conditioner.
Above-mentioned vehicle air conditioner through using above-mentioned compressor in vehicle air conditioner, no matter what kind of operating mode horizontal compressor in the vehicle air conditioner is in, no matter the horizontal compressor is in operation or transportation operating mode promptly, all can alleviate the vibration of horizontal compressor in the course of the work greatly through vibration damper, reduces the noise because of the vibration brings, provides good comfortable vehicle environment to avoid the problem that stress concentration appears when horizontal compressor is in certain operating mode, improve compressor pipeline structure's life.
The compressor piping structure stress is lower because the higher the stiffness of the vibration damping assembly 10 when the vehicle is in transit and the on-board air conditioner is not operating, and the lower the stiffness of the vibration damping assembly 10 when the on-board air conditioner is operating and the vehicle is stationary. The vibration damping device of the compressor in the vehicle-mounted air conditioner can automatically adjust the rigidity of the vibration damping assembly 10 according to the working condition of the vehicle-mounted air conditioner, namely the running or transportation working condition, so as to achieve the purpose of simultaneously coping with two working conditions, effectively reduce the structural stress of a compressor pipeline, simultaneously reduce the cost of research and development manpower, time and the like of the vehicle-mounted air conditioner, and shorten the research and development period of the vehicle-mounted air conditioner, and the specific adjusting process of the vibration damping device of the horizontal compressor when the vehicle-mounted air conditioner is in various different working conditions is further explained below:
when the vehicle-mounted air conditioner is started and the vehicle is static, the signal acquisition part 21 sends stress data of deformation in the vertical direction to the working condition identification part 22, wherein if the vehicle is static, the deformation is basically not generated in the vertical direction, the working condition identification part 22 judges whether the vehicle is static according to the stress data, namely 95% of deformation signal data of the vehicle in a certain time does not exceed a limit value, the working condition identification part 22 is combined with whether the vehicle-mounted air conditioner is started or not, only when the former is yes and the latter is also yes, the working condition identification part 22 sends an instruction to the control part 30, and the control part 30 controls the air pump to inject air into the air piston, so that the rigidity of the foot pad 11 is reduced.
When the vehicle-mounted air conditioner is turned off and the vehicle is transported, the signal acquisition part 21 sends stress data of vertical deformation of the signal acquisition part to the working condition identification part 22, wherein if the vehicle is transported, the vehicle is vertically and obviously dynamically deformed, the working condition identification part 22 judges whether the vehicle is static according to the stress data, namely, 95% of deformation signal data of the vehicle does not exceed a limit value within a certain time, the working condition identification part 22 is combined with whether the vehicle-mounted air conditioner is turned on, only when the former is not, and the latter is also not, the working condition identification part 22 sends an instruction to the control part 30, and the control part 30 controls the air pump to pump air out from the air piston, so that the rigidity of the foot pad 11 is improved.
When the vehicle-mounted air conditioner is started and a vehicle is transported, the signal acquisition component 21 sends stress data of vertical deformation of the signal acquisition component to the working condition recognition component 22, wherein if the vehicle is transported, the vertical deformation is obvious in dynamic deformation, if the vehicle-mounted air conditioner is started at the moment, the working condition recognition component 22 counts the stress data of the vertical deformation sent by the signal acquisition component 21, calculates the vibration magnitude in a certain time, sends an instruction to the control component 30 according to the vibration magnitude, and the control component 30 controls the air pump to enable the air piston to be in 0% -50% ventilation state, wherein the larger the vibration magnitude is, the less air is needed for the air piston.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A vibration damping device, comprising:
the vibration damping device comprises a vibration damping assembly (10) and an air pump, wherein the vibration damping assembly (10) is arranged at the bottom of the vibration device and fixedly connected with the vibration device, the rigidity of the vibration damping assembly (10) is variable, the vibration damping assembly (10) comprises a foot pad (11) and an adjusting piece (12), the foot pad (11) is provided with an elastic structure and is fixedly connected with the vibration device, the adjusting piece (12) is positioned on one side of the foot pad (11) and is used for rigidly supporting the vibration device, the rigid supporting height of the adjusting piece (12) is adjustable, a control part (30) can control the adjusting piece (12) according to a working condition detected by a detection assembly (20), the rigid supporting height of the bottom of the vibration device is adjusted through the adjusting piece (12) so as to adjust the highest height of the foot pad (11), the adjusting piece (12) is an air piston, and the vibration damping assembly (10) further comprises the air pump connected with the adjusting piece (12);
the detection assembly (20) is electrically connected with the vibration device so as to detect the working condition of the vibration device; and
and the control component (30) is electrically connected with the detection assembly (20) and the air pump, and the control component (30) can control the rigidity change of the vibration damping assembly (10) according to the working condition detected by the detection assembly (20).
2. Damping device according to claim 1, characterized in that the damping assembly (10) comprises a plurality of said adjusting elements (12), said adjusting elements (12) being arranged evenly outside the foot pad (11).
3. Damping device according to claim 1, characterized in that the foot pad (11) is an elastic or rubber foot pad.
4. Damping device according to claim 1, characterized in that the control member (30) is a solenoid valve.
5. The vibration damping device according to claim 1, characterized in that the detection assembly (20) comprises a signal acquisition component (21) and an operating condition identification component (22), the signal acquisition component (21) is used for being electrically connected with the vibration device, and the operating condition identification component (22) is electrically connected with the signal acquisition component (21) and the control component (30).
6. Compressor, characterized in that, includes the vibration damping device of any one of claims 1 to 5 and the vibrating device, the vibration damping assembly (10) is set up in the bottom of the vibrating device and fixedly connected with the vibrating device, the detection assembly (20) is electrically connected with the vibrating device to detect the operating condition of the vibrating device, wherein, the vibrating device is the compressor body.
7. The compressor of claim 6, wherein the compressor body is a horizontal compressor.
8. An in-vehicle air conditioner characterized by comprising the compressor of claim 6 or 7.
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| CN112664606A (en) * | 2020-12-08 | 2021-04-16 | 珠海格力电器股份有限公司 | Vibration reduction assembly, fan and method for improving starting and operating stability of fan |
| CN113550885A (en) * | 2021-07-02 | 2021-10-26 | 珠海格力电器股份有限公司 | Vibration reduction mechanism, compressor and vibration reduction control method |
| CN113719915A (en) * | 2021-09-15 | 2021-11-30 | 珠海格力电器股份有限公司 | Compressor vibration reduction foot pad with adjustable rigidity, compressor and control method |
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| CN114278539A (en) | 2022-04-05 |
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