CN114543401B - Air conditioner pipeline vibration-resistant structure, air conditioner and air conditioner pipeline anti-resonance method - Google Patents
Air conditioner pipeline vibration-resistant structure, air conditioner and air conditioner pipeline anti-resonance method Download PDFInfo
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- CN114543401B CN114543401B CN202210133430.5A CN202210133430A CN114543401B CN 114543401 B CN114543401 B CN 114543401B CN 202210133430 A CN202210133430 A CN 202210133430A CN 114543401 B CN114543401 B CN 114543401B
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- 238000009774 resonance method Methods 0.000 title claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 59
- 238000005452 bending Methods 0.000 claims description 14
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides an air conditioner pipeline vibration-resistant structure, an air conditioner and an air conditioner pipeline anti-resonance method, wherein the air conditioner pipeline vibration-resistant structure comprises the following components: the air conditioner pipeline further comprises at least one sensor for monitoring the real-time vibration frequency of the air conditioner pipeline, and at least one pressure adjusting device for adjusting the constraint of the air conditioner pipeline according to the real-time vibration frequency fed back by the sensor. According to the air conditioner pipeline vibration-resistant structure, the pipeline stress value is fed back to the control unit through detecting the pipeline real-time vibration frequency, whether the real-time vibration frequency is close to the pipeline vibration fixed frequency is judged, and the pipeline vibration fixed frequency is changed on the premise of limiting the increase of the pipeline weight through changing the fixing force of the pressure regulating device, so that the pipeline vibration fixed frequency is prevented from being excited by the compressor, pipeline resonance is avoided, the pipeline stress value can be reduced to the maximum allowable stress value corresponding to the minimum service life far from the system design, the allowable stress range of the pipeline stress is kept in the corresponding longer service life, and the fatigue-resistant reliability of the pipeline stress is improved.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to an air conditioner pipeline vibration-resistant structure, an air conditioner using the same and an air conditioner pipeline anti-resonance method.
Background
At present, variable frequency compressors are used for variable frequency air conditioners in the market, the working frequency range of the compressors is large, when the compressors are operated at different vibration frequencies, certain or multiple vibration frequencies are close to or equal to the natural frequency of the vibration of an air conditioner pipeline, so that the pipeline is excited to resonate, and even the resonance of a shell is caused when the vibration is serious, the pipeline is subjected to overlarge stress, and the problems that the pipeline is easy to crack and the reliability and the safety of the air conditioner are affected are solved.
In the prior art, resonance is often avoided by simply adding and adjusting a counterweight to an air-conditioning pipeline to change the natural vibration attribute, i.e., the natural frequency, of the pipeline itself. However, the adjustment of the natural frequency by only adding the weight has a large limitation, and a large load is easily caused to the pipeline, especially for a small pipeline, and the risk of damage to the pipeline caused by adding the weight thereon is extremely high.
Therefore, the existing variable-frequency air conditioner has limitations in avoiding resonance by only increasing the natural frequency of the balance weight to adjust the vibration of the air conditioner pipeline and is easy to cause damage to the pipeline load, and the technical problem to be solved in the field is urgent.
Disclosure of Invention
The invention provides an air conditioner pipeline vibration-resistant structure particularly suitable for a variable-frequency air conditioner, an air conditioner using the same and an air conditioner pipeline anti-resonance method, and aims to solve the technical problems that resonance is limited and pipeline load is easy to damage by only increasing a counterweight to adjust natural frequency of vibration of an air conditioner pipeline in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
The invention provides an air conditioner pipeline vibration-proof structure, comprising: the air conditioner pipeline further comprises at least one sensor for monitoring the real-time vibration frequency of the air conditioner pipeline, and at least one pressure adjusting device for adjusting the constraint of the air conditioner pipeline according to the real-time vibration frequency fed back by the sensor.
Further, the air conditioner pipeline is provided with at least one U-bend, the sensor is arranged at the U-bend, and the pressure regulating device wraps the at least one U-bend.
Further, the pressure adjusting device adopts an air pressure adjusting device, and comprises:
The pneumatic unit is used for adjusting the air pressure in the air bag;
The opening spacing of the U-bend is changed along with the air pressure in the air bag.
Further, the pressure adjusting device further includes:
the buffer bracket comprises at least two pipe clamps, wherein adjacent pipe clamps are respectively sleeved on the corresponding outer surfaces of the two sides of the opening of the U-shaped bend, the adjacent pipe clamps are connected through elastic pieces, and the two ends of each elastic piece are respectively and correspondingly connected with the adjacent pipe clamps through ball pairs in a rotatable manner.
Preferably, the pipe clamps and the elastic pieces are all provided with three, and the three pipe clamps are respectively connected between the adjacent pipe clamps through the three elastic pieces to form a triangular buffer bracket.
Preferably, the air conditioning pipeline comprises at least one S-shaped continuous U-bend formed by three bending sections, and the three pipe clamps are respectively arranged on the three bending sections.
Preferably, the pneumatic unit employs a pneumatic pump or piston.
Preferably, the sensor is an acceleration, stress or displacement sensor.
The invention also provides an air conditioner which comprises a compressor and an air conditioner pipeline connected with the compressor, wherein the air conditioner pipeline adopts the air conditioner pipeline vibration-resistant structure, and the air conditioner further comprises a control unit electrically connected with the pressure regulating device and the sensor.
The invention also provides an anti-resonance method of the air conditioner pipeline, which is applied to the air conditioner and comprises the following steps:
Monitoring the real-time vibration frequency of an air conditioner pipeline;
Judging whether the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioner pipeline is smaller than or equal to a resonance threshold value;
If yes, controlling the pressure regulating device to regulate the constraint of the air conditioner pipeline, and further changing the natural frequency of the air conditioner pipeline until the absolute value of the difference between the real-time vibration frequency and the natural frequency is larger than the resonance threshold;
If not, returning to monitor the real-time vibration frequency of the air conditioner pipeline.
Compared with the prior art, the air conditioner pipeline vibration-resistant structure, the air conditioner and the air conditioner pipeline anti-resonance method can effectively slow down pipeline vibration caused by fluid in the compressor and the air conditioner pipeline, monitor and feed back the condition (acceleration, pipeline stress value, displacement or noise) of the air conditioner pipeline vibration through the sensor when the vibration source frequency is inconsistent, judge whether the real-time vibration frequency of the air conditioner pipeline is close to the natural frequency of the air conditioner pipeline through the control unit, and control the fastening force of the pressure regulating device on the air conditioner pipeline when judging that the resonance risk easily occurs, so that the natural frequency of the vibration of the air conditioner pipeline is changed, resonance excited when the vibration source frequency is close to the natural frequency of the vibration of the air conditioner pipeline is avoided, the vibration-resistant structure is small in weight, good in reliability and capable of reducing the gravity load of the air conditioner pipeline on the premise of smaller weight.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an anti-vibration structure of an air conditioner pipeline of the present invention applied to a compressor pipeline of an air conditioner;
FIG. 2 is a schematic illustration of the air conditioning duct of FIG. 1 omitting the anti-vibration structure of the air conditioning duct;
fig. 3 is a schematic view of a buffer bracket of an anti-vibration structure of an air conditioner pipeline according to the present invention.
Wherein, each reference numeral in the figure mainly marks:
1-an air conditioning pipeline; 11-U bending; 111-opening; a 2-compressor; 3-a pressure regulating device; 31-balloon cross section; 4-a buffer rack; 41-an elastic member; 42-bending sections; 5-pipe clamps; 51-ball pair; 6-a sensor detection point; 7-a control unit; 8-a pressure transmission tube; 9-four-way valve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the principle and structure of the present invention are further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the vibration-proof structure of an air conditioner pipeline 1 provided by the present invention includes: the air conditioning pipeline 1 further comprises at least one sensor (not shown in the figure) for monitoring the real-time vibration frequency of the air conditioning pipeline 1 and the stress of the air conditioning pipeline 1, wherein the sensor can adopt acceleration, stress, displacement or noise and the like to judge the real-time vibration frequency of the air conditioning pipeline 1; at least one pressure regulating device 3, the pressure regulating device 3 adjusts the constraint of the air-conditioning pipeline 1 according to the real-time vibration frequency fed back by the sensor.
Referring to fig. 1-2, in the present embodiment, an air conditioning pipeline 1 is provided with at least one U-bend 11, and the U-bend 11 is formed by bending the air conditioning pipeline 1; the sensor is arranged at the U-bend 11, namely the sensor detection point 6 is positioned at the U-bend 11; the pressure regulating device encloses at least one U-bend 11. The U-bend 11 is additionally arranged on the air conditioner pipeline 1, and the U-bend 11 can absorb and damp vibration of a vibration source (such as the compressor 2) and relieve stress transmission and release effects of the vibration, so that the pipeline connected with the U-bend 11 is protected, and the overall stress of the air conditioner pipeline 1 is reduced; because the bending part of the air conditioning pipeline 1, namely the U-bend 11, belongs to the weak structural attribute position of the air conditioning pipeline 1, the bending part is often a stress concentration point, namely the air conditioning pipeline 1 is often broken at the bending part, so that the sensors for monitoring the real-time vibration frequency and the stressed force of the air conditioning pipeline 1 are arranged on the U-bend 11 at the bending part of the air conditioning pipeline 1, and the monitoring can be realized by using fewer sensors.
As a preferred embodiment, the pressure adjusting device 3 is a pneumatic pressure adjusting device, including: an air bag (not shown in the figure) wrapping the U-bend 11, and a pneumatic unit for adjusting the air pressure in the air bag, wherein the pneumatic unit adopts a pneumatic pump or a piston as a preferred embodiment, and is communicated with an air source through a pressure transmission pipe 8; for the openings 111 formed by the pipelines at the two sides of the U-bend 11, the distance between the openings 111 changes along with the air pressure in the air bag, namely, the air pressure change acted on the U-tube by the air bag causes the U-bend 11 to change in deformation quantity, so that the distance between the openings 111 is increased or reduced, when the real-time vibration frequency is close to the original natural frequency of the air-conditioning pipeline 1, the structural attribute of the air-conditioning pipeline 1 at the U-bend 11 is changed through deformation, the natural frequency of the vibration of the whole air-conditioning pipeline 1 is further changed, the real-time vibration frequency is avoided, and pipeline resonance is avoided; in addition, the stress value of the air conditioner pipeline 1 can be regulated to the maximum allowable stress value far away from the minimum service life of the corresponding system design through the pressure regulating device 3, so that the pipeline stress is kept in the allowable stress range corresponding to the longer service life, and the fatigue resistance reliability of the air conditioner pipeline is improved. As a preferential implementation mode, the outer wall of the air bag is made of hard damping rubber, so that the air bag has shock absorption performance, strong weather resistance and high temperature resistance.
Referring to fig. 3 (the rectangle in fig. 3 is the balloon cross section 31), as a more preferable embodiment, the pressure adjusting device 3 further includes: the buffer bracket 4 comprises at least two pipe clamps 5, wherein adjacent pipe clamps 5 are respectively sleeved on the outer surfaces of the two sides of the opening 111 of the U-shaped bend 11 corresponding to the air conditioning pipeline, the adjacent pipe clamps 5 are connected through elastic pieces 41, and two ends of each elastic piece 41 are respectively and correspondingly connected with the adjacent pipe clamps 5 through ball pairs 51 in a rotatable mode. As a preferred embodiment, the elastic member 41 employs an elastic link; as other embodiments, the elastic member 41 may also employ a spring. In a preferred embodiment, the pipe clamp 5 is made of metal or rubber which is not likely to damage the air conditioning pipe 1 when attached to the air conditioning pipe 1. The elastic piece 41 is connected with the pipe clamp 5 through the ball pair 51, so that the pipe clamp 5 and the elastic piece 41 can be adjusted relative to the air-conditioning pipeline 1, and when the air-conditioning pipeline 1 is not required to be restrained, the buffer support 4 with the connecting structure is beneficial to reducing the vibration burden of the pipeline; when the air conditioning duct 1 needs to be reliably fixed, the elastic members 41 constituting the triangle are mutually supported, and a more firm structural force can be obtained.
As a preferred embodiment, the pipe clamps 5 and the elastic members 41 are provided with three, and the three pipe clamps 5 are respectively connected between the adjacent pipe clamps 5 through the three elastic members 41 to form the triangular buffer bracket 4. In one embodiment (not shown in the drawings), two pipe clamps 5 of the three pipe clamps 5 are arranged at two sides of the opening 111 of one U-shaped bend 11 and correspond to the outer surface of the air conditioning pipeline 1, and the other pipe clamp 5 is arranged at the outer surface of the air conditioning pipeline 1 at the arc-shaped bending position of the U-shaped bend 11; referring to fig. 3, in a preferred embodiment, the air conditioning duct 1 includes at least one S-shaped continuous U-bend 11 formed by three bending sections 42, and three pipe clamps 5 are respectively disposed on the three bending sections 42.
As other embodiments, the pressure adjusting device 3 may be a hydraulic adjusting device, the air bag filled with gas to transmit pressure may be replaced by a structure using oil or other liquid as the filler to transmit pressure, and the pneumatic unit may be replaced by a hydraulic power unit.
As a further embodiment (not shown in the figures), the pressure regulating device 3 can also act directly on the air-conditioning line 1 in the form of a straight pipe.
The invention also provides an air conditioner which comprises a compressor 2, an air conditioning pipeline 1 connected with the compressor 2, and a four-way valve 9 connected with the air conditioning pipeline 1, wherein the air conditioning pipeline 1 adopts the anti-vibration structure of the air conditioning pipeline 1, and the air conditioner further comprises a control unit 7 electrically connected with the pressure regulating device 3 and a sensor, and the control unit 7 preferably adopts a CPU (Central processing Unit) or can also adopt a singlechip; the control unit 7 can memorize the vibration state of the air conditioner pipeline 1 under the working action of the compressor 2, the action of the pressure regulating device 3, the running frequency of the unit and other characteristics, and the optimal vibration damping action is matched for different vibration frequencies and working conditions and is stored in the control unit 7. The air conditioner is preferably a variable frequency air conditioner, and the compressor 2 is preferably a variable frequency compressor.
The invention also provides an anti-resonance method of the air conditioner pipeline 1, which is applied to the air conditioner and comprises the following steps:
1. Monitoring the real-time vibration frequency of the air conditioner pipeline 1;
specifically, the acceleration, stress, displacement or noise of the air conditioning pipeline 1 can be monitored through a sensor arranged at the U-bend 11 or the straight pipe to judge the real-time vibration frequency of the air conditioning pipeline 1 when the compressor 2 works, and the real-time vibration frequency is fed back to the control unit 7 through a sensor signal;
2. judging whether the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioning pipeline 1 is smaller than or equal to a resonance threshold value;
Specifically, after receiving the sensor feedback signal, the control unit 7 determines whether the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioning pipeline 1 is smaller than or equal to the resonance threshold according to a preset resonance threshold, so as to determine whether the air conditioning pipeline 1 is at risk of resonance at the moment;
3. If yes, controlling the pressure regulating device 3 to regulate the constraint of the air conditioner pipeline 1, and further changing the natural frequency of the air conditioner pipeline 1 until the absolute value of the difference between the real-time vibration frequency and the natural frequency is larger than the resonance threshold;
Specifically, if the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioning pipeline 1 is determined to be less than or equal to the resonance threshold, it is confirmed that the air conditioning pipeline 1 is at risk of resonance at this time, the control unit 7 sends a signal to control the pressure adjusting device 3 (which may be an air pressure or a hydraulic pressure adjusting device) to adjust the internal pressure of the air conditioning pipeline 1, so as to adjust the restraining force of the air conditioning pipeline 1 on the U-bend 11 and the buffer bracket 4, and at this time, due to the change of the pressure adjusting device 3, the distance between the openings 111 of the U-bend 11 or the deformation of the air conditioning pipeline 1 changes along with the pressure inside the pressure adjusting device 3, that is, the pressure of the air conditioning pipeline 1 is changed by the pressure adjusting device 3, so that the deformation of the U-bend 11 changes when the real-time vibration frequency of the air conditioning pipeline 1 approaches the original natural frequency of the air conditioning pipeline 1, the structural attribute of the air conditioning pipeline 1 is changed by deformation, and then the natural frequency of the whole air conditioning pipeline 1 is changed until the real-time vibration frequency is greater than the resonance threshold, and the real-time vibration frequency is avoided.
4. If not, the real-time vibration frequency of the air conditioning pipeline 1 is monitored in a return mode.
Specifically, if it is determined that the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioning pipeline 1 is greater than the resonance threshold, it is confirmed that the air conditioning pipeline 1 has no risk of resonance at this time, and the real-time vibration frequency of the air conditioning pipeline 1 is continuously monitored by the sensor in the first step.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An air conditioner pipeline vibration-resistant structure, comprising: the air conditioner pipeline is characterized by further comprising at least one sensor for monitoring the real-time vibration frequency of the air conditioner pipeline and at least one pressure regulating device, wherein the pressure regulating device regulates the constraint of the pressure regulating device on the air conditioner pipeline according to the real-time vibration frequency fed back by the sensor;
The air conditioner pipeline is provided with at least one U-bend, the sensor is arranged at the U-bend, and the pressure regulating device wraps at least one U-bend;
the pressure adjusting device adopts an air pressure adjusting device and comprises:
the air bag is wrapped by the U-shaped bend and is used for adjusting the air pressure inside the air bag;
The opening space of the U-shaped bend is changed along with the air pressure in the air bag;
The pressure regulating device further includes:
the buffer bracket comprises at least two pipe clamps, wherein adjacent pipe clamps are respectively sleeved on the corresponding outer surfaces of the two sides of the opening of the U-shaped bend, the adjacent pipe clamps are connected through elastic pieces, and the two ends of each elastic piece are respectively and correspondingly connected with the adjacent pipe clamps through ball pairs in a rotatable manner;
The three pipe clamps are respectively connected between the adjacent pipe clamps through the three elastic pieces to form a triangular buffer bracket;
The air conditioner pipeline comprises at least one S-shaped continuous U-shaped bend formed by three bending sections, and the three pipe clamps are respectively arranged on the three bending sections.
2. The air conditioner pipe vibration-resistant structure according to claim 1, wherein the pneumatic unit is a pneumatic pump or a piston.
3. The air conditioning duct vibration resistant structure of claim 1, wherein the sensor is an acceleration, stress or displacement sensor.
4. An air conditioner comprising a compressor, an air conditioning pipeline connected with the compressor, and a control unit electrically connected with the pressure regulating device and the sensor, wherein the air conditioning pipeline adopts an air conditioning pipeline vibration-proof structure as set forth in any one of claims 1-3.
5. An anti-resonance method for an air conditioner pipeline, which is characterized by applying the air conditioner as claimed in claim 4, and comprising the following steps:
Monitoring the real-time vibration frequency of an air conditioner pipeline;
Judging whether the absolute value of the difference between the real-time vibration frequency and the natural frequency of the air conditioner pipeline is smaller than or equal to a resonance threshold value;
If yes, controlling the pressure regulating device to regulate the constraint of the pressure regulating device on the air conditioning pipeline, and further changing the natural frequency of the air conditioning pipeline until the absolute value of the difference between the real-time vibration frequency and the natural frequency is larger than a resonance threshold;
If not, returning to monitor the real-time vibration frequency of the air conditioner pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210133430.5A CN114543401B (en) | 2022-02-14 | 2022-02-14 | Air conditioner pipeline vibration-resistant structure, air conditioner and air conditioner pipeline anti-resonance method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210133430.5A CN114543401B (en) | 2022-02-14 | 2022-02-14 | Air conditioner pipeline vibration-resistant structure, air conditioner and air conditioner pipeline anti-resonance method |
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| CN114543401A CN114543401A (en) | 2022-05-27 |
| CN114543401B true CN114543401B (en) | 2024-06-04 |
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| CN115355639A (en) * | 2022-08-11 | 2022-11-18 | 海信冰箱有限公司 | Refrigerator and vibration adjusting method of compressor |
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| CN207334978U (en) * | 2017-08-22 | 2018-05-08 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and there is its air conditioner |
| CN107917165A (en) * | 2017-11-15 | 2018-04-17 | 广东美的制冷设备有限公司 | Clump weight and air conditioner |
| CN107806721A (en) * | 2017-11-23 | 2018-03-16 | 珠海格力电器股份有限公司 | Sensor fixing structure, compressor and air conditioning unit |
| CN108332456A (en) * | 2018-01-16 | 2018-07-27 | 珠海格力电器股份有限公司 | Pipeline structure, method for optimizing pipeline vibration and pipeline control system |
| KR101972261B1 (en) * | 2018-02-22 | 2019-04-25 | 대상시너스(주) | pipe supporting device |
| CN110686427A (en) * | 2018-07-05 | 2020-01-14 | 青岛海尔空调器有限总公司 | Pipeline vibration damper and air conditioner comprising same |
| CN108917033A (en) * | 2018-08-13 | 2018-11-30 | 珠海格力电器股份有限公司 | Pipeline stress and strain adjusting device and method and air conditioning device |
| CN211823083U (en) * | 2020-04-17 | 2020-10-30 | 青岛新伟成管件股份有限公司 | Shock absorption tubing of air conditioner and air conditioner comprising same |
| CN213271540U (en) * | 2020-09-07 | 2021-05-25 | 格力电器（合肥）有限公司 | Damping device for pipeline corner structure and air conditioner |
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