CN108917084A - A kind of compressor of air conditioner noise-reduction method and air conditioner - Google Patents
A kind of compressor of air conditioner noise-reduction method and air conditioner Download PDFInfo
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- CN108917084A CN108917084A CN201810763500.9A CN201810763500A CN108917084A CN 108917084 A CN108917084 A CN 108917084A CN 201810763500 A CN201810763500 A CN 201810763500A CN 108917084 A CN108917084 A CN 108917084A
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- pressure
- air conditioner
- compressor
- refrigeration system
- noise
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Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000005057 refrigeration Methods 0.000 claims abstract description 66
- 238000004378 air conditioning Methods 0.000 claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of noise-reduction method of compressor of air conditioner and air conditioner, the noise-reduction method includes：Temperature collecting device acquisition evaporator on air conditioner and the saturation temperature on condenser, and according to the high-pressure and low pressure of saturation temperature acquisition refrigeration system；The high-pressure of the refrigeration system and the pressure difference value of low pressure are calculated, and the pressure difference value is compared with preset threshold value；When the pressure difference value is greater than or equal to the threshold value, starts the defencive function of air-conditioning refrigeration system, adjust the pressure difference value, reduce the noise of compressor.The present invention obtains the saturation temperature of refrigeration system, and obtains the high-pressure and low pressure of refrigeration system, is adjusted by the pressure difference value to refrigeration system, the noise of compressor is effectively reduced.
Description
Technical field
The present invention relates to air conditioner technical fields, and in particular to a kind of compressor of air conditioner noise-reduction method and air conditioner.
Background technique
Present air conditioner is increasingly esthetically acceptable to the consumers, and existing air conditioner usually has the following advantages that：Refrigeration, system
Thermal velocity is fast, energy conservation, efficiently, comfortably.Meanwhile in order to pursue more good product and provide more comfortable use, compressor
Frequency it is also lower and lower, from 30Hz, 20Hz of beginning, 10Hz, 1Hz till now.
But during frequency reduces, due between the slide plate and sliding slot in compressor there are gap, and compressor
It in the case where low-frequency operation, is collided between slide plate and sliding slot, compressor is caused continually to issue the phenomenon that rattling away sound,
And be difficult to eliminate, seriously affect the use of user.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of compressor of air conditioner
Noise-reduction method and air conditioner, it is intended to solve compressor in the prior art and continually occur noise etc. in the case where low-frequency operation
Problem.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of compressor of air conditioner noise-reduction method, wherein the noise-reduction method includes：
Temperature collecting device acquisition evaporator on air conditioner and the saturation temperature on condenser, and according to the saturation temperature
Obtain the high-pressure and low pressure of refrigeration system；
Calculate the high-pressure of the refrigeration system and the pressure difference value of low pressure, and by the pressure difference value and preset threshold
Value is compared；
When the pressure difference value is greater than or equal to the threshold value, starts the defencive function of air-conditioning refrigeration system, adjust the pressure
Power difference reduces the noise of compressor.
The compressor of air conditioner noise-reduction method, wherein the noise-reduction method further includes：
When the pressure difference value is less than the threshold value, then the temperature collecting device repeated acquisition evaporator on air conditioner and cold
Saturation temperature on condenser, and repeat the pressure difference value of refrigeration system compared with the threshold value.
The compressor of air conditioner noise-reduction method, wherein on the air conditioner temperature collecting device acquisition evaporator with
And the saturation temperature on condenser, and specifically wrapped according to the high-pressure and low pressure of saturation temperature acquisition refrigeration system
It includes：
Temperature collecting device on air conditioner acquires the saturation temperature on evaporator in real time；
Temperature collecting device on air conditioner acquires the saturation temperature on condenser in real time；
The high-pressure that refrigeration system is obtained according to the saturation temperature on evaporator obtains system according to the saturation temperature on condenser
The low pressure of cooling system.
The compressor of air conditioner noise-reduction method, wherein the temperature collecting device includes：Temperature on an evaporator is set
Degree sensor and the temperature sensor being arranged on condenser.
The compressor of air conditioner noise-reduction method, wherein the saturation temperature according on evaporator obtains refrigeration system
High-pressure, according on condenser saturation temperature obtain refrigeration system low pressure specifically include：
According to the thermodynamic property table of refrigerant, refrigerant saturation temperature and saturation pressure are fitted to a curvilinear function；
According to the curvilinear function, the saturation pressure on corresponding evaporator is calculated according to the saturation temperature of evaporator；According to
The saturation temperature of condenser calculates the saturation pressure on corresponding condenser.
The compressor of air conditioner noise-reduction method, wherein the saturation pressure on the evaporator is the high pressure of refrigeration system
Pressure, the saturation pressure on the condenser are the low pressure of refrigeration system.
The compressor of air conditioner noise-reduction method, wherein the noise-reduction method further includes：
Preset a threshold value for being used to judge whether to need to start the defencive function of the refrigeration system.
The compressor of air conditioner noise-reduction method, wherein the high-pressure for calculating the refrigeration system and low pressure pressure
The pressure difference value of power, and the pressure difference value is compared with preset threshold value and is specifically included：
The high-pressure and low pressure for the refrigeration system that will acquire carry out difference calculating, obtain pressure difference value；
The pressure difference value is compared with preset threshold value.
The compressor of air conditioner noise-reduction method, wherein it is described when the pressure difference value is greater than or equal to the threshold value,
The defencive function for starting air-conditioning refrigeration system, adjusts the pressure difference value, the noise for reducing compressor specifically includes：
When the pressure difference value is greater than or equal to the preset threshold value, represents current compressor and generate noise, then open automatically
The defencive function of dynamic air-conditioning refrigeration system；
Control to adjust the aperture of electric expansion valve and adjust the frequency parameter of compressor, reduce the high-pressure of refrigeration system with
The pressure difference value of low pressure reduces the noise of compressor.
A kind of air conditioner, wherein the step of the air conditioner application any of the above-described compressor of air conditioner noise-reduction method.
Beneficial effects of the present invention：The present invention obtains the saturation temperature of refrigeration system, and obtains the high pressure pressure of refrigeration system
Power and low pressure are adjusted by the pressure difference value to refrigeration system, and the noise of compressor is effectively reduced.
Detailed description of the invention
Fig. 1 is the flow chart of the preferred embodiment of compressor of air conditioner noise-reduction method of the invention.
Fig. 2 is the curved line relation schematic diagram of refrigerant saturation temperature and pressure in compressor of air conditioner noise-reduction method of the invention.
Fig. 3 is the flow chart of the concrete application embodiment of compressor of air conditioner noise-reduction method of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Since compressor of air conditioner in the prior art is generally rolling rotor-type, slide plate therein is made back and forth in sliding vane groove
Movement, the during the motion effect by gas force, frictional force, the viscosity resistance of lubricating oil, inertia force etc..Due to slide plate with
There are gaps between sliding vane groove, therefore, will unavoidably collide between slide plate and sliding vane groove, generate impact noise.Low
In the case that frequency is run, slide plate stress condition is unstable, and the noise problem of the shock can highlight.To solve the above-mentioned problems, originally
Invention provides a kind of compressor of air conditioner noise-reduction method, and specific as shown in fig. 1, the noise-reduction method includes：
Step S100, the temperature collecting device on air conditioner acquires the saturation temperature on evaporator and condenser, and root in real time
The high-pressure and low pressure of refrigeration system are obtained according to the saturation temperature.
Due to the having to the noise of compressor of the pressure difference value between the high-pressure and low pressure of refrigeration system
Very big influence, when pressure difference value is larger, compressor is just more easier to occur rattling away when low-frequency operation the noise of sound.Cause
This illustrates that compressor has begun at this time and generates noise when pressure difference value is larger.The present invention is mainly by refrigeration system
Pressure difference value controlled, to achieve the purpose that noise reduction.
Temperature collecting device in the present invention is mainly to utilize evaporator on air-conditioning and the temperature sensor on condenser
Acquire the saturation temperature on evaporator and condenser in real time respectively.Specifically, the evaporation when air-conditioning works normally, on air-conditioning
Device and condenser just will do it refrigeration, and in the process of refrigeration, the temperature sensor on evaporator and condenser will
At predetermined time intervals（Such as every 2S）Evaporator is incuded and obtained with the temperature on condenser respectively, to get
Temperature on front evaporator and condenser, the temperature are saturation temperature, and accordingly, the temperature sensor on evaporator obtains
Getting is saturation temperature on evaporator, and it is saturation temperature on condenser that the temperature sensor on condenser, which is got,.Refrigerant
Saturation temperature and pressure be the thermodynamic property table for meeting refrigerant.Therefore, the present embodiment can be by refrigerant saturation temperature and pressure
Be fitted to a curvilinear function, it is specific as shown in Figure 2.It include the saturation temperature of refrigerant in the curvilinear function（Unit is DEG C）
And the saturation pressure of refrigerant（Unit is MPa）Corresponding relationship, refrigeration system is arrived according to the curvilinear function, that is, computable
High-pressure and low pressure.Specifically, according to the curvilinear function, the saturation temperature that can be obtained on evaporator is corresponding
Saturation pressure, the saturation pressure are the high-pressure of refrigeration system.Similarly, it according to the curvilinear function, can be obtained cold
The corresponding saturation pressure of saturation temperature on condenser, the saturation pressure are the low pressure of refrigeration system.For example, working as condenser
On saturation temperature be 5 DEG C when, according to the curvilinear function can be obtained corresponding saturation pressure be 0.9Mpa.It is used in the present invention
The temperature sensor carried on air conditioner carries out the acquisition of temperature and then obtains the high-pressure and low pressure of refrigeration system, nothing
Additional equipment need to be increased, save cost.
Further, the high-pressure of the refrigeration system and the pressure difference value of low pressure step S200, are calculated, and will
The pressure difference value is compared with preset threshold value.
When it is implemented, the present invention needs to preset a threshold value, the threshold value is used to judge whether current compressor produces
Raw noise.After obtaining the high-pressure and low pressure of the refrigeration system, the high pressure for the refrigeration system that will acquire
Pressure and low pressure carry out difference calculating, obtain pressure difference value, the pressure difference value is compared with preset threshold value,
To judge whether compressor produces noise.
Further, step S300, start air-conditioning refrigeration system when the pressure difference value is greater than or equal to the threshold value
Defencive function, adjust the pressure difference value, reduce the noise of compressor.
When it is implemented, having represented current compressor when the pressure difference value is greater than or equal to the preset threshold value
Through generating noise, then start the defencive function of air-conditioning refrigeration system automatically.Specifically, the defencive function includes controlling to adjust electricity
The aperture of sub- expansion valve and the frequency parameter for adjusting compressor, reduce between the high-pressure of refrigeration system and low pressure
Pressure difference value, to reduce the noise of compressor.
Technology for a better understanding of the present invention, the present invention also provides a kind of specific Application Examples, such as institute in Fig. 3
Show, specifically comprises the following steps.
The real-time temperature collection of step 301, temperature sensor.
Step 302, the saturation temperature for obtaining evaporator.
Step 303, the saturation temperature for obtaining condenser.
Step 304, the curvilinear function for obtaining refrigerant saturation temperature and pressure.
Step 305, the high-pressure for calculating refrigeration system.
Step 306, the low pressure for calculating refrigeration system.
Step 307, the pressure difference value for calculating refrigeration system.
Step 308 judges whether pressure difference value is more than or equal to threshold value, is to then follow the steps 309, otherwise repeats step
301。
Step 309, into defencive function, reduce compressor noise.
Based on the above embodiment, the present invention also provides a kind of air conditioner, the air conditioner based on the above embodiment in sky
The step of adjusting compressor noise-reduction method.
In conclusion the noise-reduction method and air conditioner of a kind of compressor of air conditioner provided by the invention, the noise-reduction method packet
It includes：Temperature collecting device acquisition evaporator on air conditioner and the saturation temperature on condenser, and according to the saturation temperature
Obtain the high-pressure and low pressure of refrigeration system；Calculate the high-pressure of the refrigeration system and the pressure difference of low pressure
Value, and the pressure difference value is compared with preset threshold value；When the pressure difference value is greater than or equal to the threshold value, open
The defencive function of dynamic air-conditioning refrigeration system, adjusts the pressure difference value, reduces the noise of compressor.The present invention obtains refrigeration system
Saturation temperature, and obtain the high-pressure and low pressure of refrigeration system, adjusted by the pressure difference value to refrigeration system
It is whole, the noise of compressor is effectively reduced.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of compressor of air conditioner noise-reduction method, which is characterized in that the noise-reduction method includes：
Temperature collecting device acquisition evaporator on air conditioner and the saturation temperature on condenser, and according to the saturation temperature
Obtain the high-pressure and low pressure of refrigeration system；
Calculate the high-pressure of the refrigeration system and the pressure difference value of low pressure, and by the pressure difference value and preset threshold
Value is compared；
When the pressure difference value is greater than or equal to the threshold value, starts the defencive function of air-conditioning refrigeration system, adjust the pressure
Power difference reduces the noise of compressor.
2. compressor of air conditioner noise-reduction method according to claim 1, which is characterized in that the noise-reduction method further includes：
When the pressure difference value is less than the threshold value, then the temperature collecting device repeated acquisition evaporator on air conditioner and cold
Saturation temperature on condenser, and repeat the pressure difference value of refrigeration system compared with the threshold value.
3. compressor of air conditioner noise-reduction method according to claim 1, which is characterized in that the temperature acquisition on the air conditioner
Device acquires the saturation temperature on evaporator and condenser, and the high-pressure of refrigeration system is obtained according to the saturation temperature
It is specifically included with low pressure：
Temperature collecting device on air conditioner acquires the saturation temperature on evaporator in real time；
Temperature collecting device on air conditioner acquires the saturation temperature on condenser in real time；
The high-pressure that refrigeration system is obtained according to the saturation temperature on evaporator obtains system according to the saturation temperature on condenser
The low pressure of cooling system.
4. compressor of air conditioner noise-reduction method according to claim 3, which is characterized in that the temperature collecting device includes：
The temperature sensor that temperature sensor on an evaporator is set and is arranged on condenser.
5. compressor of air conditioner noise-reduction method according to claim 3, which is characterized in that the saturation according on evaporator
Temperature obtains the high-pressure of refrigeration system, is specifically wrapped according to the low pressure that the saturation temperature on condenser obtains refrigeration system
It includes：
According to the thermodynamic property table of refrigerant, refrigerant saturation temperature and saturation pressure are fitted to a curvilinear function；
According to the curvilinear function, the saturation pressure on corresponding evaporator is calculated according to the saturation temperature of evaporator；According to
The saturation temperature of condenser calculates the saturation pressure on corresponding condenser.
6. compressor of air conditioner noise-reduction method according to claim 5, which is characterized in that the saturation pressure on the evaporator
For the high-pressure of refrigeration system, the saturation pressure on the condenser is the low pressure of refrigeration system.
7. compressor of air conditioner noise-reduction method according to claim 1, which is characterized in that the noise-reduction method further includes：
Preset a threshold value for being used to judge whether to need to start the defencive function of the refrigeration system.
8. compressor of air conditioner noise-reduction method according to claim 1, which is characterized in that the calculating refrigeration system
The pressure difference value of high-pressure and low pressure, and the pressure difference value is compared with preset threshold value and is specifically included：
The high-pressure and low pressure for the refrigeration system that will acquire carry out difference calculating, obtain pressure difference value；
The pressure difference value is compared with preset threshold value.
9. compressor of air conditioner noise-reduction method according to claim 1, which is characterized in that described when the pressure difference value is greater than
Or when being equal to the threshold value, starts the defencive function of air-conditioning refrigeration system, adjust the pressure difference value, reduce the noise of compressor
It specifically includes：
When the pressure difference value is greater than or equal to the preset threshold value, represents current compressor and generate noise, then open automatically
The defencive function of dynamic air-conditioning refrigeration system；
Control to adjust the aperture of electric expansion valve and adjust the frequency parameter of compressor, reduce the high-pressure of refrigeration system with
The pressure difference value of low pressure reduces the noise of compressor.
10. a kind of air conditioner, which is characterized in that any one of described air conditioner application the claims 1-9 compressor of air conditioner drop
The step of method for de-noising.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810763500.9A CN108917084B (en) | 2018-07-12 | 2018-07-12 | Noise reduction method for air conditioner compressor and air conditioner |
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| CN201810763500.9A CN108917084B (en) | 2018-07-12 | 2018-07-12 | Noise reduction method for air conditioner compressor and air conditioner |
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Cited By (7)
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| CN110822634A (en) * | 2019-09-26 | 2020-02-21 | 宁波工程学院 | Self-adaptive dynamic control method for compressor during refrigeration of capillary radiation air conditioner |
| CN110986224A (en) * | 2019-11-07 | 2020-04-10 | 珠海格力电器股份有限公司 | Air conditioner, control method thereof and storage medium |
| CN111678240A (en) * | 2020-06-18 | 2020-09-18 | 重庆美的通用制冷设备有限公司 | Operation control method of air conditioner, air conditioner and readable storage medium |
| CN113531676A (en) * | 2021-07-28 | 2021-10-22 | 珠海格力电器股份有限公司 | Air conditioner noise reduction control method and air conditioner |
| CN113757919A (en) * | 2021-08-23 | 2021-12-07 | 宁波奥克斯电气股份有限公司 | Compressor output control method and device of air conditioner and air conditioner |
| CN113790506A (en) * | 2021-09-16 | 2021-12-14 | 珠海格力电器股份有限公司 | Method for solving noise of air conditioner outdoor unit |
| CN114687991A (en) * | 2022-04-06 | 2022-07-01 | 合肥美菱物联科技有限公司 | Intelligent noise reduction refrigerator and control method thereof |
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| CN113757919A (en) * | 2021-08-23 | 2021-12-07 | 宁波奥克斯电气股份有限公司 | Compressor output control method and device of air conditioner and air conditioner |
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| CN113790506A (en) * | 2021-09-16 | 2021-12-14 | 珠海格力电器股份有限公司 | Method for solving noise of air conditioner outdoor unit |
| CN114687991A (en) * | 2022-04-06 | 2022-07-01 | 合肥美菱物联科技有限公司 | Intelligent noise reduction refrigerator and control method thereof |
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| CN108917084B (en) | 2020-09-22 |
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