CN110529970A - A kind of method and AC frequency conversion air-cooled ducted air conditioner of static pressure adjusting - Google Patents
A kind of method and AC frequency conversion air-cooled ducted air conditioner of static pressure adjusting Download PDFInfo
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- CN110529970A CN110529970A CN201910871587.6A CN201910871587A CN110529970A CN 110529970 A CN110529970 A CN 110529970A CN 201910871587 A CN201910871587 A CN 201910871587A CN 110529970 A CN110529970 A CN 110529970A
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- static pressure
- air
- frequency conversion
- cooled ducted
- air conditioner
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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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F2110/40—Pressure, e.g. wind pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides the method and AC frequency conversion air-cooled ducted air conditioner of a kind of static pressure adjusting, is related to air-conditioning technical field.The method that static pressure is adjusted is applied to AC frequency conversion air-cooled ducted air conditioner, comprising: obtains the design static pressure P1 of AC frequency conversion air-cooled ducted air conditioner；Obtain the practical static pressure P2 of AC frequency conversion air-cooled ducted air conditioner；According to design static pressure P1 and practical static pressure P2, the static pressure error value Δ P of AC frequency conversion air-cooled ducted air conditioner is determined；According to the Resistance Value P3 of static pressure error value Δ P and filter screen, determination need to add the quantitative value N of filter screen, and N number of filter screen is used to add the air outlet in AC frequency conversion air-cooled ducted air conditioner.The method that static pressure is adjusted need to can accurately add the quantitative value N of filter screen, it increases exchanges the practical static pressure of frequency conversion air-cooled ducted air conditioner by filter screen bring Resistance Value, it makes up practical static pressure and designs the error between static pressure, motor is set to operate in nominal speed range, electrode burn is avoided, the reliability and comfort of AC frequency conversion air-cooled ducted air conditioner are improved.
Description
Technical field
The present invention relates to air-conditioning technical field, a kind of method adjusted in particular to static pressure and AC frequency conversion air hose
Machine.
Background technique
Market of Central Air-conditioning occupation rate improves year by year, air-cooled ducted air conditioner product using more and more extensive, essentially band static pressure machine
Group need to install air hose etc..In Practical Project installation, limited by factors such as installation site, air duct length and calibers, the reality of unit
Static pressure can generally deviate design value.
For AC frequency conversion air-cooled ducted air conditioner, the revolving speed adjustable extent of alternating current generator is small, and design static pressure is fixed value.If
After being installed, if practical static pressure is too small, motor is much higher than rated speed operation for a long time, it may appear that motor was burnt shows
As.
Summary of the invention
Problems solved by the invention is that the practical static pressure of AC frequency conversion air-cooled ducted air conditioner is too small.
To solve the above problems, the present invention provides a kind of method that static pressure is adjusted, it is applied to AC frequency conversion air-cooled ducted air conditioner, packet
It includes:
Obtain the design static pressure P1 of the AC frequency conversion air-cooled ducted air conditioner；
Obtain the practical static pressure P2 of the AC frequency conversion air-cooled ducted air conditioner；
According to the design static pressure P1 and the practical static pressure P2, determine that the static pressure of the AC frequency conversion air-cooled ducted air conditioner misses
Difference DELTA P；
According to the Resistance Value P3 of the static pressure error value Δ P and filter screen, determination need to add the quantitative value N of filter screen, N number of
The filter screen is used to add the air outlet in the AC frequency conversion air-cooled ducted air conditioner.
In such manner, it is possible to the static pressure error value Δ P of the AC frequency conversion air-cooled ducted air conditioner accurately be determined, further according to the static pressure error
It is worth the Resistance Value P3 of Δ P and filter screen, determination need to add the quantitative value N of filter screen, and N number of filter screen is added in the exchange
The air outlet of frequency conversion air-cooled ducted air conditioner, the reality by the filter screen bring Resistance Value, the frequency conversion air-cooled ducted air conditioner that can increase exchanges are quiet
Pressure value maximumlly makes up practical static pressure and designs the error between static pressure, makes the practical static pressure of AC frequency conversion air-cooled ducted air conditioner
Value is matched with the design static pressure under rated speed, and motor can operate in nominal speed range, avoids electrode burn, is improved
The reliability and comfort of AC frequency conversion air-cooled ducted air conditioner.In addition, the air of AC frequency conversion air-cooled ducted air conditioner can also be improved by adding filter screen
Detergent power.
Further, described according to the design static pressure P1 and the practical static pressure P2, determine the AC frequency conversion
The step of static pressure error value Δ P of air-cooled ducted air conditioner, comprising:
The difference of design the static pressure P1 and the practical static pressure P2 are calculated, the difference is the static pressure error
It is worth Δ P.
In such manner, it is possible to accurately determine AC frequency conversion air-cooled ducted air conditioner static pressure error value Δ P, created to make up static pressure error value Δ P
Basis.
Further, the Resistance Value P3 according to the static pressure error value Δ P and filter screen, determination need to add filter screen
Quantitative value N the step of, comprising:
The static pressure error value Δ P is calculated divided by the end value of the Resistance Value P3 of the filter screen, the end value is
The quantitative value N.
In such manner, it is possible to which accurately determination need to add the quantitative value N of filter screen, maximumlly makes up practical static pressure and design is quiet
Error between pressure value.
Further, the step of practical static pressure P2 for obtaining the AC frequency conversion air-cooled ducted air conditioner, comprising:
Statistical-reference tables of data, the reference data table include motor under the outlet air static pressure P4 of air quantity case, air supply pattern
Current value I, under refrigeration mode the coil temperature t of evaporator corresponding relationship；
In actual operation according to the AC frequency conversion air-cooled ducted air conditioner, the actual current value Is of motor, refrigeration under air supply pattern
The practical coil temperature ts of evaporator and the corresponding relationship in the reference data table under mode determine corresponding described
Outlet air static pressure P4 is as the practical static pressure P2.
Further, the step of statistical-reference tables of data, comprising:
It controls the AC frequency conversion air-cooled ducted air conditioner and runs the first preset duration under air supply pattern；
Record the current value I of motor under the outlet air static pressure P4 and the air supply pattern of the air quantity case.
Further, the range of first preset duration is 0.5min~1.5min.
Further, the step of statistical-reference tables of data, comprising:
It controls the AC frequency conversion air-cooled ducted air conditioner and runs the second preset duration in cooling mode；
Record the coil temperature t of evaporator under the outlet air static pressure P4 and the refrigeration mode of the air quantity case.
Further, the range of second preset duration is 0.5min~1.5min.
To solve the above problems, the present invention also provides a kind of AC frequency conversion air-cooled ducted air conditioner, including N number of additional filter screen, institute
It states filter screen and is mounted on air outlet, wherein N is determined according to the Resistance Value P3 of static pressure error value Δ P and filter screen；The static pressure misses
Difference DELTA P is determined according to design static pressure P1 and practical static pressure P2.
In this way, the error between the practical static pressure and design static pressure of AC frequency conversion air-cooled ducted air conditioner is smaller, make AC frequency conversion
The practical static pressure of air-cooled ducted air conditioner is matched with the design static pressure under rated speed, and motor can operate in nominal speed range,
Electrode burn is avoided, the reliability and comfort of AC frequency conversion air-cooled ducted air conditioner are improved.In addition, exchange can also be improved by adding filter screen
The air purification ability of frequency conversion air-cooled ducted air conditioner.
Detailed description of the invention
Fig. 1 is the flow chart for the method that static pressure provided in an embodiment of the present invention is adjusted.
Fig. 2 is the specific flow chart of S2 in Fig. 1.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
AC frequency conversion air-cooled ducted air conditioner is before factory, it has been determined that design static pressure, still, in Practical Project installation, by
The factors such as installation site, air duct length and caliber limitation, AC frequency conversion air-cooled ducted air conditioner when installing and using, practical static pressure with set
There are errors between meter static pressure, for example, motor is much higher than rated speed for a long time if practical static pressure is less than design static pressure
Operation, it may appear that the phenomenon that motor is burnt.
The motor of AC frequency conversion air-cooled ducted air conditioner needs to operate near rated speed.If practical static pressure is bigger, air output
With regard to smaller, because of the bigger Resistance Value equivalent to increase air hose of practical static pressure, air output can be reduced, and motor
Revolving speed is higher, and the current value of motor is bigger under air supply pattern, and the coil temperature of evaporator is lower under refrigeration mode.According to practical quiet
Under pressure value, air supply pattern under the current value and refrigeration mode of motor the coil temperature of evaporator above-mentioned corresponding relationship, can be with
Corresponding practical static pressure is determined according to the coil temperature of evaporator under the current value and refrigeration mode of motor under air supply pattern
Value.
The present embodiment provides a kind of methods that the static pressure applied to AC frequency conversion air-cooled ducted air conditioner is adjusted, and have used above-mentioned determining real
The method of border static pressure, referring to Fig. 1, have the following steps are included:
S1 obtains the design static pressure P1 of AC frequency conversion air-cooled ducted air conditioner.
Wherein, design static pressure P1 is the parameter having determined before AC frequency conversion air-cooled ducted air conditioner dispatches from the factory, can be from AC frequency conversion
Air-cooled ducted air conditioner checks in the table of comparisons of revolving speed and static pressure under different wind files.
S2, referring to Fig. 2, obtaining the practical static pressure P2 of AC frequency conversion air-cooled ducted air conditioner.S2 specifically includes S21 and S22, specifically
It is as follows.
S21, statistical-reference tables of data.
Wherein, reference data table includes the current value I of motor under the outlet air static pressure P4 of air quantity case, air supply pattern, refrigeration
The corresponding relationship of the coil temperature t of evaporator under mode.
The detailed process of statistical-reference tables of data:
Firstly, control AC frequency conversion air-cooled ducted air conditioner runs the first preset duration under air supply pattern.Wherein, the first preset duration
Range be 0.5min~1.5min, preferably 1min.In such manner, it is possible to keep AC frequency conversion air-cooled ducted air conditioner stable, convenient for subsequent
The acquisition of parameter is accurate.
Secondly, record air quantity case outlet air static pressure P4 and air supply pattern under motor current value I.Wherein, air supply pattern
Under, the current value I of motor is only related to motor, and then related to practical static pressure P2, therefore under air supply pattern motor current value I
The variation of practical static pressure P2 can directly be reacted.
Then, control AC frequency conversion air-cooled ducted air conditioner runs the second preset duration in cooling mode.Wherein, the second preset duration
Range be 0.5min~1.5min, preferably 1min.In such manner, it is possible to keep AC frequency conversion air-cooled ducted air conditioner stable, convenient for subsequent
The acquisition of parameter is accurate.
Finally, record air quantity case outlet air static pressure P4 and refrigeration mode under evaporator coil temperature t.Wherein, freeze
Under mode, the coil temperature t of evaporator can also directly react the variation of practical static pressure P2.
It is above-mentioned under air supply pattern the current value I of motor record with to the coil temperature t of evaporator under refrigeration mode
Record can in no particular order sequentially, without the limitation in timing.
Record under the outlet air static pressure P4 of air quantity case, air supply pattern evaporator under the current value I and refrigeration mode of motor
It after coil temperature t, can be filled into reference data table, complete the statistics of reference data table, as shown in the table:
In the present embodiment, according to the coil temperature t of evaporator under the current value I and refrigeration mode of motor under air supply pattern,
It determines practical static pressure P2, determines practical static pressure P2 compared to according to using single parameter, it is as a result more accurate.
S22, in actual operation according to AC frequency conversion air-cooled ducted air conditioner, the actual current value Is of motor, refrigeration under air supply pattern
The practical coil temperature ts of evaporator and the corresponding relationship in reference data table, determine corresponding outlet air static pressure P4 under mode
As practical static pressure P2.
For example, AC frequency conversion air-cooled ducted air conditioner is in actual operation, if measuring the actual current value Is of motor under air supply pattern
With the practical coil temperature ts of evaporator under refrigeration mode respectively close to I10 and t10 in reference data table when, it is determined that it is corresponding
Outlet air static pressure P4 be 0Pa, practical static pressure P2 is 0Pa.If measuring the actual current value Is of motor under air supply pattern
With the practical coil temperature ts of evaporator under refrigeration mode respectively close to I20 and t20 in reference data table when, it is determined that it is corresponding
Outlet air static pressure P4 be 10Pa, practical static pressure P2 is 10Pa.
S3 determines the static pressure error value Δ P of AC frequency conversion air-cooled ducted air conditioner according to design static pressure P1 and practical static pressure P2.
Specifically, calculating the difference of design static pressure P1 and practical static pressure P2, difference is static pressure error value Δ P, i.e.,
Δ P=P1-P2.
S4, according to the Resistance Value P3 of static pressure error value Δ P and filter screen, determination need to add the quantitative value N of filter screen, N number of
Filter screen is used to add the air outlet in AC frequency conversion air-cooled ducted air conditioner.
Specifically, end value of the calculated static pressure error amount Δ P divided by the Resistance Value P3 of filter screen, end value is quantitative value
N, i.e. N=Δ P/P3.Wherein, if N be non-integer, can be rounded by the way of rounding up, for example, N calculate for
3.5, then take N to be equal to 4.
The present embodiment also provides a kind of AC frequency conversion air-cooled ducted air conditioner, and AC frequency conversion air-cooled ducted air conditioner includes N number of additional filter screen, mistake
Strainer is mounted on air outlet, wherein the determination method of N please refers to the method that above-mentioned static pressure is adjusted.
Method that static pressure provided in this embodiment is adjusted and AC frequency conversion air-cooled ducted air conditioner the utility model has the advantages that
1. the static pressure error value Δ P of AC frequency conversion air-cooled ducted air conditioner can accurately be determined, further according to static pressure error value Δ P and filtering
The Resistance Value P3 of net, determination need to add the quantitative value N of filter screen, and N number of filter screen adds the air outlet in AC frequency conversion air-cooled ducted air conditioner,
By filter screen bring Resistance Value, the practical static pressure for the frequency conversion air-cooled ducted air conditioner that can increase exchanges maximumlly is made up practical quiet
Error between pressure value and design static pressure, the practical static pressure and the design static pressure under rated speed for making AC frequency conversion air-cooled ducted air conditioner
Value matching, motor can operate in nominal speed range, avoid electrode burn, improve AC frequency conversion air-cooled ducted air conditioner reliability and
Comfort；
2. the air purification ability of AC frequency conversion air-cooled ducted air conditioner can also be improved by adding filter screen.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (9)
1. a kind of method that static pressure is adjusted is applied to AC frequency conversion air-cooled ducted air conditioner characterized by comprising
Obtain the design static pressure P1 of the AC frequency conversion air-cooled ducted air conditioner；
Obtain the practical static pressure P2 of the AC frequency conversion air-cooled ducted air conditioner；
According to the design static pressure P1 and the practical static pressure P2, the static pressure error value of the AC frequency conversion air-cooled ducted air conditioner is determined
ΔP；
According to the Resistance Value P3 of the static pressure error value Δ P and filter screen, determination need to add the quantitative value N of filter screen, N number of described
Filter screen is used to add the air outlet in the AC frequency conversion air-cooled ducted air conditioner.
2. the method that static pressure according to claim 1 is adjusted, which is characterized in that it is described according to the design static pressure P1 with
The practical static pressure P2, the step of determining the static pressure error value Δ P of the AC frequency conversion air-cooled ducted air conditioner, comprising:
The difference of design the static pressure P1 and the practical static pressure P2 are calculated, the difference is the static pressure error value Δ
P。
3. the method that static pressure according to claim 1 is adjusted, which is characterized in that described according to the static pressure error value Δ P
With the Resistance Value P3 of filter screen, the step of determination need to add the quantitative value N of filter screen, comprising:
The static pressure error value Δ P is calculated divided by the end value of the Resistance Value P3 of the filter screen, the end value is described
Quantitative value N.
4. the method that static pressure according to claim 1 is adjusted, which is characterized in that described to obtain the AC frequency conversion air-cooled ducted air conditioner
Practical static pressure P2 the step of, comprising:
Statistical-reference tables of data, the reference data table include the electricity of motor under the outlet air static pressure P4 of air quantity case, air supply pattern
The corresponding relationship of the coil temperature t of evaporator under flow valuve I, refrigeration mode；
In actual operation according to the AC frequency conversion air-cooled ducted air conditioner, under air supply pattern motor actual current value Is, refrigeration mode
The corresponding relationship in the practical coil temperature ts of lower evaporator and the reference data table, determines the corresponding outlet air
Static pressure P4 is as the practical static pressure P2.
5. the method that static pressure according to claim 4 is adjusted, which is characterized in that the step of the statistical-reference tables of data,
Include:
It controls the AC frequency conversion air-cooled ducted air conditioner and runs the first preset duration under air supply pattern；
Record the current value I of motor under the outlet air static pressure P4 and the air supply pattern of the air quantity case.
6. the method that static pressure according to claim 5 is adjusted, which is characterized in that the range of first preset duration is
0.5min~1.5min.
7. the method that static pressure according to claim 4 is adjusted, which is characterized in that the step of the statistical-reference tables of data,
Include:
It controls the AC frequency conversion air-cooled ducted air conditioner and runs the second preset duration in cooling mode；
Record the coil temperature t of evaporator under the outlet air static pressure P4 and the refrigeration mode of the air quantity case.
8. the method that static pressure according to claim 7 is adjusted, which is characterized in that the range of second preset duration is
0.5min~1.5min.
9. a kind of AC frequency conversion air-cooled ducted air conditioner, which is characterized in that including N number of additional filter screen, the filter screen is mounted on outlet air
Mouthful, wherein N is determined according to the Resistance Value P3 of static pressure error value Δ P and filter screen；The static pressure error value Δ P is quiet according to designing
Pressure value P1 and practical static pressure P2 is determined.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910871587.6A CN110529970B (en) | 2019-09-16 | 2019-09-16 | Static pressure adjusting method and alternating-current variable-frequency air duct machine |
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|---|---|---|---|
| CN201910871587.6A CN110529970B (en) | 2019-09-16 | 2019-09-16 | Static pressure adjusting method and alternating-current variable-frequency air duct machine |
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| CN110529970A true CN110529970A (en) | 2019-12-03 |
| CN110529970B CN110529970B (en) | 2021-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375225A (en) * | 2021-06-28 | 2021-09-10 | 广东积微科技有限公司 | Air duct machine air guide device and control method thereof |
| WO2023005243A1 (en) * | 2021-07-28 | 2023-02-02 | 广东美的暖通设备有限公司 | Indoor unit filter screen detection method, indoor unit, air conditioner, and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219535A (en) * | 1995-02-16 | 1996-08-30 | Takasago Thermal Eng Co Ltd | Vav type air conditioning system |
| CN1894641A (en) * | 2003-12-17 | 2007-01-10 | 开利公司 | Detection of clogged filter in an HVAC system |
| CN103423837A (en) * | 2013-07-25 | 2013-12-04 | 青岛海信日立空调系统有限公司 | Free static pressure air pipe type air conditioner |
| CN204153880U (en) * | 2014-10-21 | 2015-02-11 | 深圳市民润环保科技有限公司 | A kind of way flow New-air purifying system that can improve static pressure steady air flow |
| CN104949202A (en) * | 2015-06-09 | 2015-09-30 | 广东美的暖通设备有限公司 | Air duct machine self-adaptive static pressure adjusting method and device and air duct machine |
-
2019
- 2019-09-16 CN CN201910871587.6A patent/CN110529970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219535A (en) * | 1995-02-16 | 1996-08-30 | Takasago Thermal Eng Co Ltd | Vav type air conditioning system |
| CN1894641A (en) * | 2003-12-17 | 2007-01-10 | 开利公司 | Detection of clogged filter in an HVAC system |
| CN103423837A (en) * | 2013-07-25 | 2013-12-04 | 青岛海信日立空调系统有限公司 | Free static pressure air pipe type air conditioner |
| CN204153880U (en) * | 2014-10-21 | 2015-02-11 | 深圳市民润环保科技有限公司 | A kind of way flow New-air purifying system that can improve static pressure steady air flow |
| CN104949202A (en) * | 2015-06-09 | 2015-09-30 | 广东美的暖通设备有限公司 | Air duct machine self-adaptive static pressure adjusting method and device and air duct machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375225A (en) * | 2021-06-28 | 2021-09-10 | 广东积微科技有限公司 | Air duct machine air guide device and control method thereof |
| WO2023005243A1 (en) * | 2021-07-28 | 2023-02-02 | 广东美的暖通设备有限公司 | Indoor unit filter screen detection method, indoor unit, air conditioner, and readable storage medium |
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| Publication number | Publication date |
|---|---|
| CN110529970B (en) | 2021-07-16 |
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