CN107013980A - Air conditioner internal unit, air conditioner and control method for air conditioner - Google Patents
Air conditioner internal unit, air conditioner and control method for air conditioner Download PDFInfo
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- CN107013980A CN107013980A CN201710253619.7A CN201710253619A CN107013980A CN 107013980 A CN107013980 A CN 107013980A CN 201710253619 A CN201710253619 A CN 201710253619A CN 107013980 A CN107013980 A CN 107013980A
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- blower fan
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims description 58
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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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
- F24F11/70—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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an air conditioner internal unit, an air conditioner and a control method for the air conditioner, and relates to the technical field of air conditioners, wherein the air conditioner internal unit comprises: the air duct is provided with an air outlet and an air return inlet at two ends respectively; the fan can rotate anticlockwise and clockwise, is arranged in the air duct and has at least two working modes, and in the first working mode, the fan can enable airflow to flow from the air outlet to the air return inlet for supplying air; and in the second working mode, the fan can enable the airflow to supply air to the air outlet from the air return inlet. The air conditioner indoor unit, the air conditioner and the control method for the air conditioner can blow away the blockage at the air return opening of the air duct, so that the problem of blockage of the air return opening of the air conditioner indoor unit is effectively solved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning internal machine, air-conditioning and the control method of idle call.
Background technology
Current most of room air conditioners are installed on wall or established on the ground, because interior there may be rubbish
Rubbish or lint dust etc., the return air inlet of room air conditioner, which can be operationally in, is emptied gaseity, therefore after a certain time,
Rubbish or lint dust and other impurities may assemble on the separator adsorbed at the return air inlet of air conditioner indoors.Then, room
Clogging occurs at the return air inlet of interior air conditioner, especially when plastic bag, paper adsorption are on return air inlet, return air inlet
It is extremely serious that stopping state can become, and greatly reduces the runnability of air-conditioning.
There is certain logic control inside usual air-conditioning, and then unit is stopped, then after waiting for a period of time it is empty
Tune is run again.But in this mode of operation, the return air inlet of room air conditioner is still in blocked state, and air-conditioner set exists
Stoppage protection occurs again after operation a period of time, so repeatedly, the service life and output that so not only have impact on unit are imitated
Really, and greatly reduce user and use the comfortableness in air-conditioning process.
The content of the invention
The present invention is intended to provide a kind of can effectively solve the air-conditioning internal machine, air-conditioning and idle call of return air inlet blockage problem
Control method.
The invention provides a kind of air-conditioning internal machine, including：
Air channel, the two ends in the air channel have air outlet and return air inlet respectively；
Can rotate counterclockwise and the blower fan that turns clockwise, the blower fan is arranged in the air channel, the blower fan tool
There are at least two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air from the air outlet
Mouth air-supply；In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet.
In one preferred embodiment, the blower fan includes motor and the blade being connected with the motor, described
Motor can carry out bidirectional rotation under different electric currents.
In one preferred embodiment, the return air inlet in the air channel, which is provided with, prevents tamper from entering the air channel
Separator.
A kind of air-conditioning, the air-conditioning includes any of the above-described described air-conditioning internal machine.
A kind of control method of idle call, the air-conditioning includes air channel, the two ends in the air channel have respectively air outlet and
Return air inlet；Including the blower fan for the motor that can carry out bidirectional rotation, the blower fan is arranged in the air channel, and the blower fan has extremely
Few two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air inlet from the air outlet to send
Wind；In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet；The idle call
Control method comprises the following steps：
Obtain the actual motion electric current of the blower fan, Rated motor output work when the blower fan is in the second mode of operation
The current running voltage of rate and the blower fan；
The ratio of the Rated motor power output and current running voltage is obtained, the reality of the blower fan is obtained according to ratio
The difference of border running current and the ratio；
The size of difference and the first preset value is judged, when the difference is more than the first preset value, by the blower fan from the
Two mode of operations switch to the first mode of operation.
In one preferred embodiment, the control method of the idle call is further comprising the steps of：When the difference
During more than the first preset value, the size of difference and the second preset value is judged, when difference is less than second preset value, adjust institute
The tachometer value of blower fan is stated, tachometer value is in the first scope.
In one preferred embodiment, the control method of the idle call is further comprising the steps of：When the difference
During more than the first preset value, the size of difference and the second preset value is judged, when difference is more than second preset value, it is poor to judge
Value and the size of the 3rd preset value, when difference is less than three preset value, adjusts the tachometer value of the blower fan, make tachometer value
In the second scope.
In one preferred embodiment, the control method of the idle call is further comprising the steps of：When the difference
During more than the first preset value, the size of difference and the second preset value is judged, when difference is more than second preset value, it is poor to judge
Value and the size of the 3rd preset value, when difference is more than three preset value, adjusts the tachometer value of the blower fan, make tachometer value
In the 3rd scope.
In one preferred embodiment, the control method of the idle call is further comprising the steps of：When the blower fan
Switched to from the second mode of operation after the first mode of operation, the blower fan reaches the first preset time in the first mode of operation
Afterwards, the blower fan switches to the second mode of operation from the first mode of operation.
In one preferred embodiment, the control method of the idle call is further comprising the steps of：It is default second
In time, when the number of times that the blower fan switches to the first mode of operation from the second mode of operation reaches preset times, by the sky
Adjust the signal out of service that is concurrently out of order.
According to air-conditioning internal machine, air-conditioning and the control method of idle call of the present invention, it is provided with the air channel of air-conditioning internal machine
Can rotate counterclockwise and the blower fan that turns clockwise, by the use of air-conditioning internal machine blower fan actual motion electric current as judgement, when
Current value rises when reaching to a certain degree, then it is assumed that the return air inlet in the air channel of air-conditioning internal machine is blocked, and then by blower fan from making
The second mode of operation that air-flow is blown from the return air inlet to the air outlet, which is switched to, makes air-flow flow to institute from the air outlet
The first mode of operation of return air inlet air-supply is stated, so that the tamper at the return air inlet in air channel be blown away, and then is effectively solved
The problem of return air inlet is blocked.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram in the second mode of operation according to the air-conditioning internal machine of the present invention；
Fig. 2 is the schematic diagram in the first mode of operation according to the air-conditioning internal machine of the present invention；
Fig. 3 is the step schematic diagram of the control method of the idle call according to the present invention；
Fig. 4 is the logical schematic of the control method of the idle call according to the present invention.
Description of reference numerals：
10th, air channel；11st, air outlet；12nd, return air inlet；20th, blower fan；30th, tamper；40th, separator.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1 and Figure 2, according to schematic diagram of the air-conditioning internal machine in the second mode of operation of the present invention and according to this hair
Schematic diagram of the bright air-conditioning internal machine in the first mode of operation, proposes a kind of air-conditioning internal machine in an embodiment of the present invention, empty
Machine includes in adjusting：Air channel 10, the two ends in air channel 10 have air outlet 11 and return air inlet 12 respectively；Being capable of rotate counterclockwise and up time
The blower fan 20 of pin rotation, blower fan 20 is arranged in air channel 10, and blower fan 20 has at least two mode of operations, in the first mode of operation
When, blower fan 20 can make air-flow flow to return air inlet 12 from air outlet 11 to blow；In the second mode of operation, blower fan 20 can make air-flow certainly
Return air inlet 12 is blown to air outlet 11.
In air-conditioning internal machine normal work, air that the return air inlet 12 in air channel 10 is used in suction chamber, and air channel 10 goes out
Air port 11 is then used for the air for being discharged from the suction of return air inlet 12.The blower fan 20 produced to air suction is provided with air channel 10,
Blower fan 20 can include motor and the blade being connected with motor, and the motor can carry out bidirectional rotation under different electric currents, from
And enable and the rotate counterclockwise of blower fan 20 and turn clockwise.Can be provided with the return air inlet 12 in air channel 10 prevents from blocking
Thing 30 enters the separator 40 in air channel 10, and separator 40 can be gauze or the plastic dam with grid etc., in this way, can be with
Ensure the smooth rotation of blower fan 20, it is to avoid tamper 30 travel further into air channel 10 and together with being stirred with the blade of blower fan 20.
Due to be provided with the air channel 10 of air-conditioning internal machine can rotate counterclockwise and the blower fan 20 that turns clockwise, work as air-conditioning
When interior machine is in normal work, the operation of blower fan 20 is in the second mode of operation, and blower fan 20 makes air-flow from return air inlet 12 to air outlet
11 air-supplies.Actual motion electric current by the use of the blower fan 20 of air-conditioning internal machine as the return air inlet 12 in the air channel 10 for judging air-conditioning internal machine is
It is no to block, when current value, which rises, to be reached to a certain degree, then it is assumed that the return air inlet 12 in the air channel 10 of air-conditioning internal machine is blocked up
Plug, and then the rotation direction of blower fan 20 is inverted, switching to blower fan 20 makes air-flow flow to return air inlet 12 from air outlet 11 to blow
The first mode of operation, so that the tamper 30 at the return air inlet 12 in air channel 10 be blown away, and then effectively solve return air inlet
The problem of 12 blocking.In this way, can not only ensure the service life and output effect of air-conditioner set, but also user can be ensured
Use the comfortableness in air-conditioning process, it is to avoid shutting down without freezing or heating occurs in air-conditioning.
A kind of air-conditioning is also proposed in an embodiment of the present invention, and air-conditioning includes any of the above-described air-conditioning internal machine.
As shown in figure 3, according to the present invention idle call control method step schematic diagram, in an embodiment of the present invention
A kind of control method of idle call is also proposed, the control method of the idle call comprises the following steps：
Obtain when blower fan 20 is in the second mode of operation the actual motion electric current of blower fan 20, Rated motor power output with
And the current running voltage of blower fan 20.In this step, when air-conditioning is in normal operating condition, blower fan 20 is in the second work
Pattern, i.e. blower fan 20 can make air-flow be blown from return air inlet 12 to air outlet 11.
The ratio of Rated motor power output and current running voltage is obtained, the actual fortune of blower fan 20 is obtained according to ratio
The difference of row electric current and the ratio.
Judge the size of difference and the first preset value, when difference is more than the first preset value, blower fan 20 is worked from second
Pattern switching is to the first mode of operation.In this step, if the return air inlet 12 in air-conditioning internal machine air channel 10 is blocked, due to returning
Air port 12 is blocked, the increase of air flow field resistance, causes the increase of the input power of blower fan 20, because the voltage of blower fan 20 is constant,
Rising occurs in the electric current of blower fan 20.After the electric current of blower fan 20, which rises, reaches certain value, calculate obtained difference and just occur
More than the first preset value, as shown in figure 4, according to the logical schematic of the control method of the idle call of the present invention, for example, first is pre-
If value can be the baseline values A0 of setting, the ratio of Rated motor power output and current running voltage is Ap, the reality of motor
Border running current is A, and the actual motion electric current of blower fan 20 is △ A with the difference of the ratio.Now system thinks air-conditioning internal machine wind
The return air inlet 12 in road 10 is blocked, and blower fan 20 is switched into the first mode of operation from the second mode of operation, so that blower fan 20
Rotate backward, the tamper 30 of return air inlet 12 is blown away, so as to more effectively solve the problem of return air inlet 12 is blocked.In the step
In rapid, when the difference that calculating is obtained just occurs more than the first preset value, because blower fan 20 is inverted, it can be sent out shutting down letter
Number, to control air-conditioning to stop the of short duration time, and without heating or freezing, treat that blower fan 20 is rotated backward and block return air inlet 12
Thing 30 blows away rear air-conditioning and is further continued for being freezed or freezes.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is small
When the second preset value, the tachometer value of blower fan 20 is adjusted, tachometer value is in the first scope.For example, the second preset value can be
A1, it is more than the first preset value A0, and now air-conditioning system thinks that the return air inlet 12 of air channel 10 is blocked, but stopping state is lighter,
Therefore, the tachometer value of regulation blower fan 20 makes the motor of blower fan 20 be in inverted running under the first scope of the slow-speed of revolution, and then can be with
Tamper 30 can be just blown away under less wind-force, noise intensity that air-conditioning sends can be so reduced and reach using electricity wisely
Purpose.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is big
When the second preset value, the size of difference and the 3rd preset value is judged, when difference is less than three preset values, regulation blower fan 20
Tachometer value, makes tachometer value be in the second scope.For example, the 3rd preset value can be A2, it is more than the second preset value A1, this space-time
Adjusting system thinks that the return air inlet 12 of air channel 10 is blocked, but therefore stopping state, adjusts the tachometer value of blower fan 20 in medium
The motor of blower fan 20 is in inverted running under the second scope of middle rotating speed, and then a certain degree of wind-force can be increased, so that
Tamper 30 at the return air inlet 12 of air channel 10 is blown away.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is big
When the second preset value, the size of difference and the 3rd preset value is judged, when difference is more than three preset values, regulation blower fan 20
Tachometer value, makes tachometer value be in the 3rd scope.Now air-conditioning system thinks that the return air inlet 12 of air channel 10 is blocked, stopping state compared with
To be serious, therefore, the tachometer value of regulation blower fan 20 makes the motor of blower fan 20 be in inverted running under high-revolving 3rd scope, enters
And allow blower fan 20 to export larger or maximum wind-force, so as to farthest ensure at the return air inlet 12 of air channel 10
Tamper 30 can be blown away.
After blower fan 20 switches to the first mode of operation from the second mode of operation, blower fan 20 reaches in the first mode of operation
After first preset time, the first preset time can be several minutes of setting, now, the tamper 30 at the return air inlet 12 of air channel 10
It has been be blown away that, then blower fan 20 from the first mode of operation is switched into the second mode of operation, so that air-conditioning again is at normally
Running status.
In a kind of feasible embodiment, in the second preset time, blower fan 20 switches to from the second mode of operation
When the number of times of one mode of operation reaches preset times, by the air-conditioning signal out of service that is concurrently out of order.In the present embodiment,
Two preset times can be a few hours of setting, if air-conditioner set occurs repeatedly in the second preset time from the second mode of operation
The first mode of operation is switched to, the interior machine of air-conditioning is likely to be in the case that the plug thing 30 that is often blocked is blocked or blower fan 20 is in
The plug thing 30 that will thoroughly can not be blocked under reversion is removed, now can be by the air-conditioning signal out of service that is concurrently out of order, failure completely
Signal can be that the signal that return air inlet 12 is blocked is reminded, and remind the user that and return air inlet 12 is artificially cleared up, to ensure sky
Machine may be in the state of good operation in adjusting.
The control method of idle call is by the use of the actual motion electric current of the blower fan 20 of air-conditioning internal machine as judgement in the application, when
Current value rises when reaching to a certain degree, then it is assumed that the return air inlet 12 in the air channel 10 of air-conditioning internal machine is blocked, and then by blower fan
20 make air-flow be flowed to back from air outlet 11 from switching to the second mode of operation that air-flow is blown from return air inlet 12 to air outlet 11
The first mode of operation that air port 12 is blown, so that the tamper 30 at the return air inlet 12 in air channel 10 is blown away, and then effective solution
The problem of return air inlet 12 of having determined is blocked.Meanwhile, the control method of the idle call in the first operation mode can be according on electric current
What is risen is different degrees of, and the rotating speed of the motor rotation of control blower fan 20, the difference blocked at the return air inlet 12 in air channel 10 is serious
The motor of situation control blower fan 20 is under different rotating speeds, so as to be reached preferably on the premise of electricity and reduction noise is saved
The cleaning effect of tamper 30.
With reference to the description of accompanying drawing and the specific embodiment of the invention, the details of the present invention can be clearly understood.But
It is, the embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands in any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.It should be noted that when element is referred to as " being arranged at " another yuan
Part, it directly on another element or can also have an element placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.Term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be mechanically connecting or electrical connection or two element internals
Connection, can be joined directly together, can also be indirectly connected to by intermediary, for the ordinary skill in the art,
The concrete meaning of above-mentioned term can be understood as the case may be.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of air-conditioning internal machine, it is characterised in that including：
Air channel, the two ends in the air channel have air outlet and return air inlet respectively；
Can rotate counterclockwise and the blower fan that turns clockwise, the blower fan is arranged in the air channel, and the blower fan has extremely
Few two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air inlet from the air outlet to send
Wind；In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet.
2. air-conditioning internal machine according to claim 1, it is characterised in that the blower fan includes motor and is connected with the motor
The blade connect, the motor can carry out bidirectional rotation under different electric currents.
3. air-conditioning internal machine according to claim 1, it is characterised in that the return air inlet in the air channel, which is provided with, prevents tamper
Into the separator in the air channel.
4. a kind of air-conditioning, it is characterised in that the air-conditioning includes any described air-conditioning internal machine in the claims 1 to 3.
5. a kind of control method of idle call, the air-conditioning includes air channel, the two ends in the air channel have air outlet and returned respectively
Air port；Including the blower fan for the motor that can carry out bidirectional rotation, the blower fan is arranged in the air channel, and the blower fan has at least
Two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air inlet air-supply from the air outlet；
In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet；Characterized in that, described
The control method of idle call comprises the following steps：
Obtain when the blower fan is in the second mode of operation the actual motion electric current of the blower fan, Rated motor power output with
And the current running voltage of the blower fan；
The ratio of the Rated motor power output and current running voltage is obtained, the actual fortune of the blower fan is obtained according to ratio
The difference of row electric current and the ratio；
The size of difference and the first preset value is judged, when the difference is more than the first preset value, by the blower fan from the second work
Operation mode switches to the first mode of operation.
6. the control method of idle call according to claim 5, it is characterised in that further comprising the steps of：When the difference
When value is more than the first preset value, the size of difference and the second preset value is judged, when difference is less than second preset value, regulation
The tachometer value of the blower fan, makes tachometer value be in the first scope.
7. the control method of idle call according to claim 5, it is characterised in that further comprising the steps of：When the difference
When value is more than the first preset value, the size of difference and the second preset value is judged, when difference is more than second preset value, judge
Difference and the size of the 3rd preset value, when difference is less than three preset value, adjusts the tachometer value of the blower fan, make rotating speed
Value is in the second scope.
8. the control method of idle call according to claim 5, it is characterised in that further comprising the steps of：When the difference
When value is more than the first preset value, the size of difference and the second preset value is judged, when difference is more than second preset value, judge
Difference and the size of the 3rd preset value, when difference is more than three preset value, adjusts the tachometer value of the blower fan, make rotating speed
Value is in the 3rd scope.
9. the control method of idle call according to claim 5, it is characterised in that further comprising the steps of：When the wind
Machine is switched to after the first mode of operation from the second mode of operation, and the blower fan reaches the first preset time in the first mode of operation
Afterwards, the blower fan switches to the second mode of operation from the first mode of operation.
10. the control method of idle call according to claim 5, it is characterised in that further comprising the steps of：It is pre- second
If, will be described when the number of times that the blower fan switches to the first mode of operation from the second mode of operation reaches preset times in the time
The air-conditioning signal out of service that is concurrently out of order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253619.7A CN107013980A (en) | 2017-04-18 | 2017-04-18 | Air conditioner internal unit, air conditioner and control method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110031088A (en) * | 2019-04-17 | 2019-07-19 | 珠海格力电器股份有限公司 | Electronic equipment fault detection method, device, equipment and range hood |
| CN110403531A (en) * | 2019-07-31 | 2019-11-05 | 联想(北京)有限公司 | Fault handling method and sweeper |
| CN110588679A (en) * | 2019-10-22 | 2019-12-20 | 中车资阳机车有限公司 | Distributed air supply duct structure of air conditioner in cab of shunting locomotive |
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