CN104833061B - Air conditioner and its protection control method and protection control device - Google Patents
Air conditioner and its protection control method and protection control device Download PDFInfo
- Publication number
- CN104833061B CN104833061B CN201510268546.XA CN201510268546A CN104833061B CN 104833061 B CN104833061 B CN 104833061B CN 201510268546 A CN201510268546 A CN 201510268546A CN 104833061 B CN104833061 B CN 104833061B
- Authority
- CN
- China
- Prior art keywords
- fan
- air conditioner
- speed
- protection control
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- 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
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A kind of air conditioner of the present invention and its protection control method and protection control device, wherein, the air conditioner includes outdoor unit, and the outdoor unit includes DC fan, described to protect control method to comprise the following steps：S1, sample the square-wave pulse signal of the wind speed feedback end of the DC fan；S2, the current rotating speed of the DC fan and the speed cycle of the DC fan are calculated according to the square-wave pulse signal of the wind speed feedback end；S3, obtain the current state of the air conditioner；S4, judge whether to need to carry out protection control to the air conditioner according to the speed cycle of the current rotating speed and the DC fan of the current state of the air conditioner and the DC fan.The air conditioner of the embodiment of the present invention and its protection control method and protection control device can realize that protection to air conditioner controls in time in typhoon, prevent the damage of component in control circuit, improve the reliability of air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, the protection control method of more particularly to a kind of air conditioner, a kind of air conditioner
Protect control device and a kind of air conditioner with the protection control device.
Background technology
In correlation technique, DC fan is widely applied in air conditioner, and the control circuit of DC fan is more multiple
It is miscellaneous, although it improves the energy saving and comfortableness of air-conditioning, also increase cost.
When the air conditioner with DC fan in the coastal area of more typhoons in use, typhoon causes DC fan sometimes
Become a generator, the electric energy sent is counter to be supplied to control circuit, just very likely can be the electricity in DC fan control circuit
The device breakdowns such as appearance are burnt, and are caused the failure of air conditioner, are influenceed the use of user.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is the protection control method for proposing a kind of air conditioner, can realize the guarantor to air conditioner in time in typhoon
Shield control, prevents the damage of component in control circuit, improves the reliability of air conditioner.
It is another object of the present invention to the protection control device for proposing a kind of air conditioner.The also purpose of the present invention
It is to propose a kind of air conditioner.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of protection control method of air conditioner, wherein,
The air conditioner includes outdoor unit, and the outdoor unit includes DC fan, and the protection control method comprises the following steps：S1,
Sample the square-wave pulse signal of the wind speed feedback end of the DC fan；S2, believed according to the square-wave pulse of the wind speed feedback end
Number calculate the current rotating speed of the DC fan and the speed cycle of the DC fan；S3, obtain working as the air conditioner
Preceding state；And S4, according to the current rotating speed and the direct current wind of the current state of the air conditioner and the DC fan
The speed cycle of machine judges whether to need to carry out protection control to the air conditioner.
The protection control method of air conditioner according to embodiments of the present invention, fed back first by sampling the wind speed of DC fan
The square-wave pulse signal at end calculates the current rotating speed and speed cycle of DC fan, then obtains the current state of air conditioner,
Need are finally judged whether according to the speed cycle of the current state of air conditioner and the current rotating speed and DC fan of DC fan
Protection control is carried out to air conditioner, so as to carry out protection processing in time in typhoon, prevent from controlling in air conditioner
The component of circuit burns, and reduces the maintenance rate of air conditioner, saves maintenance cost, and also improves the reliability of air conditioner, protects
Demonstrate,proving the use of user needs.
According to one embodiment of present invention, in step s 4, if the current state of the air conditioner is operating condition,
The speed discrepancy between the current rotating speed of the DC fan and preset rotation speed is then calculated, and judges whether the speed discrepancy reaches platform
Air door bank rotary speed threshold value, wherein, if it is determined that the speed discrepancy reaches the typhoon door rotary speed threshold value, then control the direct current
Blower fan shuts down, and cuts off the power supply of the DC fan.
According to one embodiment of present invention, in step s 4, if the current state of the air conditioner is shutdown or treats
Whether machine state, the then current rotating speed for judging the DC fan according to the speed cycle of the DC fan reach typhoon door
Rotary speed threshold value, wherein, if it is determined that the current rotating speed of the DC fan reaches the typhoon door rotary speed threshold value, then cut off institute
The power supply of DC fan is stated to prevent the DC fan from starting.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of protection control device of air conditioner, its
In, the air conditioner includes outdoor unit, and the outdoor unit includes DC fan, and the protection control device includes：Sampling module,
For the square-wave pulse signal for the wind speed feedback end for sampling the DC fan；Control module, for being fed back according to the wind speed
The square-wave pulse signal at end calculates the current rotating speed of the DC fan and the speed cycle of the DC fan, and obtains institute
The current state of air conditioner is stated, and according to the current state of the air conditioner and the current rotating speed of the DC fan and institute
The speed cycle for stating DC fan judges whether to need to carry out protection control to the air conditioner.
The protection control device of air conditioner according to embodiments of the present invention, control module sample direct current wind by sampling module
The square-wave pulse signal of the wind speed feedback end of machine calculates the current rotating speed and speed cycle of DC fan, then obtains air conditioner
Current state, last control module is according to the current rotating speed and DC fan of the current state of air conditioner and DC fan
Speed cycle judges whether to need to carry out protection control to air conditioner, so as to being carried out in time at protection in typhoon
Reason, prevents the component of control circuit in air conditioner from burning, and reduces the maintenance rate of air conditioner, saves maintenance cost, and also carry
The reliability of high air conditioner, ensure the use needs of user.
According to one embodiment of present invention, if the current state of the air conditioner is operating condition, the control mould
Block then calculates the speed discrepancy between the current rotating speed of the DC fan and preset rotation speed, and judges whether the speed discrepancy reaches
Typhoon door rotary speed threshold value, wherein, if it is determined that the speed discrepancy reaches the typhoon door rotary speed threshold value, the control module
Then control the DC fan to shut down, and cut off the power supply of the DC fan.
According to one embodiment of present invention, it is described if the current state of the air conditioner is shutdown or holding state
Whether the current rotating speed that control module then judges the DC fan according to the speed cycle of the DC fan reaches typhoon door
Bank rotary speed threshold value, wherein, if it is determined that the current rotating speed of the DC fan reaches the typhoon door rotary speed threshold value, the control
Molding block then cuts off the power supply of the DC fan to prevent the DC fan from starting.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the protection control dress of above-mentioned air conditioner
Put.
The air conditioner of the embodiment of the present invention, protection processing can be carried out in time in typhoon, prevent control circuit
Component burns, and reduces maintenance rate, saves maintenance cost, and also improves the reliability of product, ensures the use needs of user.
Brief description of the drawings
Fig. 1 is the flow chart according to the protection control method of the air conditioner of the embodiment of the present invention；
Fig. 2 is the flow chart according to the protection control method of the air conditioner of a specific embodiment of the invention；And
Fig. 3 is the block diagram according to the protection control device of the air conditioner of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawings come the protection control method of the air conditioner that describes to propose according to embodiments of the present invention, air conditioner
Protect control device and the air conditioner with the protection control device.
Fig. 1 is the flow chart according to the protection control method of the air conditioner of the embodiment of the present invention.Wherein, air conditioner includes room
Outer machine, outdoor unit include DC fan.As shown in figure 1, the protection control method of the air conditioner comprises the following steps：
S1, sample the square-wave pulse signal of the wind speed feedback end of DC fan.
Wherein, in air conditioner course of normal operation, by such as MCU output pwm signals of the controller in air conditioner extremely
DC fan driver element drives DC fan to run, and passes through the sampling module real-time sampling DC fan in control circuit
The square-wave pulse signal of wind speed feedback end calculate the speed cycle of the current rotating speed and DC fan of DC fan.
S2, turn of the current rotating speed and DC fan of DC fan is calculated according to the square-wave pulse signal of wind speed feedback end
The fast cycle.
S3, obtain the current state of air conditioner.
S4, judged according to the speed cycle of the current state of air conditioner and the current rotating speed and DC fan of DC fan
Whether need to carry out protection control to air conditioner.
Wherein, according to one embodiment of present invention, in step s 4, if the current state of air conditioner is operating shape
State, then the speed discrepancy between the current rotating speed of the DC fan and preset rotation speed is calculated, and judge whether the speed discrepancy reaches
To typhoon door rotary speed threshold value, wherein, if it is determined that the speed discrepancy reaches the typhoon door rotary speed threshold value, then described in control
DC fan shuts down, and cuts off the power supply of the DC fan, so as to realize the protection control to air conditioner.
Also, in step s 4, if the current state of the air conditioner is shutdown or holding state, according to direct current wind
The speed cycle of machine judges whether the current rotating speed of the DC fan reaches typhoon door rotary speed threshold value, wherein, if sentenced
The current rotating speed of the DC fan of breaking reaches the typhoon door rotary speed threshold value, then cuts off the power supply of the DC fan to hinder
Only the DC fan starts, so as to realize the protection control to air conditioner.
Therefore say, in an embodiment of the present invention, the square wave based on software algorithm to the reflection DC fan rotating speed of collection
Pulse signal analyzed and judged, and using the running status of the rotating speed of DC fan and air conditioner as according to judging in platform
Whether wind will carry out protection control to air conditioner temporarily, during so as to solve typhoon on outdoor unit DC fan control
The problem of element may damage in circuit, improve the reliability of air conditioner product.
Specifically, according to one embodiment of present invention, as shown in Fig. 2 the protection control method bag of above-mentioned air conditioner
Include following steps：
S201, treatment progress is protected into typhoon.
S202, gathers the square-wave pulse signal of wind speed feedback end, and the speed cycle of DC fan, Yi Jiji is calculated
Calculate the current rotating speed for drawing DC fan.
S203, judges whether air conditioner is in operating condition.If it is, perform step S204；If not, perform step
S207。
S204, by the current rotating speed of DC fan compared with preset rotation speed with calculate the current rotating speed of DC fan with
Speed discrepancy between preset rotation speed.
S205, judges whether speed discrepancy reaches typhoon door rotary speed threshold value, wherein, typhoon door rotary speed threshold value can be carried out
Demarcation.If it is, perform step S206；If not, exit typhoon protection treatment progress.
S206, control DC fan shut down, and cut off the power supply of DC fan, be then log out typhoon protection handle into
Journey.
S207, turned by the speed cycle of DC fan to judge whether the current rotating speed of DC fan reaches typhoon door
Fast threshold value.If it is, perform step S208；If not, exit typhoon protection treatment progress.
S208, the power supply of DC fan is cut off, prevent DC fan from starting, be then log out typhoon protection treatment progress.
In summary, the protection control method of air conditioner according to embodiments of the present invention, first by sampling DC fan
The square-wave pulse signal of wind speed feedback end calculate the current rotating speed and speed cycle of DC fan, then obtain air conditioner
Current state, finally sentenced according to the speed cycle of the current state of air conditioner and the current rotating speed and DC fan of DC fan
It is disconnected whether to need to carry out protection control to air conditioner, so as to carry out protection processing in time in typhoon, prevent air-conditioning
The component of control circuit burns in device, reduces the maintenance rate of air conditioner, saves maintenance cost, and also improve air conditioner can
By property, ensure the use needs of user.
Fig. 3 is the block diagram according to the protection control device of the air conditioner of the embodiment of the present invention.Wherein, air conditioner bag
Outdoor unit is included, outdoor unit includes DC fan.As shown in figure 3, the protection control device of the air conditioner includes：The He of sampling module 10
Control module 20.
Wherein, sampling module 10 is used for the square-wave pulse signal for sampling the wind speed feedback end of DC fan.Control module 20
For according to the square-wave pulse signal of wind speed feedback end calculate DC fan current rotating speed and DC fan speed cycle,
And the current state of air conditioner is obtained, and according to the current state of air conditioner and current rotating speed and the direct current wind of DC fan
The speed cycle of machine judges whether to need to carry out protection control to air conditioner.
According to one embodiment of present invention, if the current state of air conditioner is operating condition, control module 20 is then counted
The speed discrepancy between the current rotating speed of DC fan and preset rotation speed is calculated, and judges whether speed discrepancy reaches typhoon door rotating speed threshold
Value, wherein, if it is determined that speed discrepancy reaches typhoon door rotary speed threshold value, control module 20 then controls DC fan to shut down,
And the power supply of DC fan is cut off, so as to realize the protection control to air conditioner.
Also, if the current state of air conditioner is shutdown or holding state, control module 20 is then according to DC fan
Speed cycle judges whether the current rotating speed of DC fan reaches typhoon door rotary speed threshold value, wherein, if it is determined that direct current wind
The current rotating speed of machine reaches typhoon door rotary speed threshold value, and control module 20 then cuts off the power supply of DC fan to prevent DC fan
Start, so as to realize the protection control to air conditioner.
Therefore say, the protection control device of the air conditioner of the embodiment of the present invention is straight to the reflection of collection based on software algorithm
The square-wave pulse signal of flow fan rotating speed is analyzed and judged, and with the running status of the rotating speed of DC fan and air conditioner
For according to judging whether to carry out protection control to air conditioner in typhoon, outdoor unit during so as to solve typhoon
The problem of element may damage in the control circuit of upper DC fan, improve the reliability of air conditioner product.
The protection control device of air conditioner according to embodiments of the present invention, control module sample direct current wind by sampling module
The square-wave pulse signal of the wind speed feedback end of machine calculates the current rotating speed and speed cycle of DC fan, then obtains air conditioner
Current state, last control module is according to the current rotating speed and DC fan of the current state of air conditioner and DC fan
Speed cycle judges whether to need to carry out protection control to air conditioner, so as to being carried out in time at protection in typhoon
Reason, prevents the component of control circuit in air conditioner from burning, and reduces the maintenance rate of air conditioner, saves maintenance cost, and also carry
The reliability of high air conditioner, ensure the use needs of user.
In addition, embodiments of the invention also proposed a kind of air conditioner, it includes the protection control dress of above-mentioned air conditioner
Put.
The air conditioner of the embodiment of the present invention, protection processing can be carried out in time in typhoon, prevent control circuit
Component burns, and reduces maintenance rate, saves maintenance cost, and also improves the reliability of product, ensures the use needs of user.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (7)
1. the protection control method of a kind of air conditioner, it is characterised in that the air conditioner includes outdoor unit, and the outdoor unit includes
DC fan, the protection control method comprise the following steps：
S1, sample the square-wave pulse signal of the wind speed feedback end of the DC fan；
S2, the current rotating speed of the DC fan and the direct current are calculated according to the square-wave pulse signal of the wind speed feedback end
The speed cycle of blower fan；
S3, obtain the current state of the air conditioner；And
S4, according to the rotating speed of the current rotating speed and the DC fan of the current state of the air conditioner and the DC fan
Cycle judges whether to need to carry out protection control to the air conditioner.
2. the protection control method of air conditioner as claimed in claim 1, it is characterised in that in step s 4, if the sky
The current state for adjusting device is operating condition, then calculates the speed discrepancy between the current rotating speed of the DC fan and preset rotation speed,
And judge whether the speed discrepancy reaches typhoon door rotary speed threshold value, wherein,
If it is determined that the speed discrepancy reaches the typhoon door rotary speed threshold value, then the DC fan is controlled to shut down, and
Cut off the power supply of the DC fan.
3. the protection control method of air conditioner as claimed in claim 1, it is characterised in that in step s 4, if the sky
The current state for adjusting device is shutdown or holding state, then judges the DC fan according to the speed cycle of the DC fan
Whether current rotating speed reaches typhoon door rotary speed threshold value, wherein,
If it is determined that the current rotating speed of the DC fan reaches the typhoon door rotary speed threshold value, then the DC fan is cut off
Power supply to prevent the DC fan from starting.
4. the protection control device of a kind of air conditioner, it is characterised in that the air conditioner includes outdoor unit, and the outdoor unit includes
DC fan, the protection control device include：
Sampling module, the square-wave pulse signal of the wind speed feedback end for sampling the DC fan；
Control module, for the current rotating speed of the DC fan is calculated according to the square-wave pulse signal of the wind speed feedback end with
And the speed cycle of the DC fan, and the current state of the air conditioner is obtained, and according to the current of the air conditioner
The speed cycle of the current rotating speed and the DC fan of state and the DC fan judges whether to need to the air-conditioning
Device carries out protection control.
5. the protection control device of air conditioner as claimed in claim 4, it is characterised in that if the current shape of the air conditioner
State is operating condition, and the control module then calculates the speed discrepancy between the current rotating speed of the DC fan and preset rotation speed,
And judge whether the speed discrepancy reaches typhoon door rotary speed threshold value, wherein,
If it is determined that the speed discrepancy reaches the typhoon door rotary speed threshold value, the control module then controls the DC fan
Shut down, and cut off the power supply of the DC fan.
6. the protection control device of air conditioner as claimed in claim 4, it is characterised in that if the current shape of the air conditioner
State then judges the DC fan for shutdown or holding state, the control module according to the speed cycle of the DC fan
Whether current rotating speed reaches typhoon door rotary speed threshold value, wherein,
If it is determined that the current rotating speed of the DC fan reaches the typhoon door rotary speed threshold value, the control module is then cut off
The power supply of the DC fan is to prevent the DC fan from starting.
A kind of 7. air conditioner, it is characterised in that the protection control dress including the air conditioner as any one of claim 4-6
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268546.XA CN104833061B (en) | 2015-05-22 | 2015-05-22 | Air conditioner and its protection control method and protection control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268546.XA CN104833061B (en) | 2015-05-22 | 2015-05-22 | Air conditioner and its protection control method and protection control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104833061A CN104833061A (en) | 2015-08-12 |
| CN104833061B true CN104833061B (en) | 2017-12-08 |
Family
ID=53811119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510268546.XA Active CN104833061B (en) | 2015-05-22 | 2015-05-22 | Air conditioner and its protection control method and protection control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104833061B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572592A (en) * | 2016-01-22 | 2016-05-11 | 广东美的暖通设备有限公司 | Rotating speed testing device and rotating speed testing method for DC motor, and testing system for air conditioner |
| CN106288159B (en) * | 2016-08-05 | 2019-11-15 | 广东美的暖通设备有限公司 | Control method, control device and the air conditioner of air conditioner |
| CN109323426B (en) * | 2018-11-09 | 2020-12-25 | 青岛海尔空调器有限总公司 | Control method of air conditioner and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000038749A (en) * | 1998-12-09 | 2000-07-05 | 구자홍 | Air conditioner and control method thereof |
| KR20040003708A (en) * | 2002-07-03 | 2004-01-13 | 엘지전자 주식회사 | A inverter device of inverter air-conditioner |
| CN201248023Y (en) * | 2008-07-24 | 2009-05-27 | 广东美的电器股份有限公司 | Control circuit for DC fan motor of outdoor unit of air conditioner |
| CN102538141A (en) * | 2012-01-18 | 2012-07-04 | 广东美的电器股份有限公司 | Starting control method for direct-current fan motor of air conditioner |
| CN203163155U (en) * | 2013-03-26 | 2013-08-28 | 广东美的制冷设备有限公司 | Control circuit of air conditioner outdoor draught fan and air conditioner |
-
2015
- 2015-05-22 CN CN201510268546.XA patent/CN104833061B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000038749A (en) * | 1998-12-09 | 2000-07-05 | 구자홍 | Air conditioner and control method thereof |
| KR20040003708A (en) * | 2002-07-03 | 2004-01-13 | 엘지전자 주식회사 | A inverter device of inverter air-conditioner |
| CN201248023Y (en) * | 2008-07-24 | 2009-05-27 | 广东美的电器股份有限公司 | Control circuit for DC fan motor of outdoor unit of air conditioner |
| CN102538141A (en) * | 2012-01-18 | 2012-07-04 | 广东美的电器股份有限公司 | Starting control method for direct-current fan motor of air conditioner |
| CN203163155U (en) * | 2013-03-26 | 2013-08-28 | 广东美的制冷设备有限公司 | Control circuit of air conditioner outdoor draught fan and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104833061A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104833061B (en) | Air conditioner and its protection control method and protection control device | |
| CN103353136B (en) | A kind of there is air quantity regulatory function range hood and control system and control method | |
| CN102538214B (en) | Smoke discharge blockage control method and system for gas water heater | |
| CN104260616B (en) | A kind of electric automobile heating system and method | |
| CN103790847B (en) | The fan control system of a kind of electric automobile and control method | |
| CN104407523A (en) | Remote spraying device control method and system | |
| CN106871388A (en) | The energy-saving control method and device of outdoor unit in air-conditioner and air-conditioner | |
| CN105546760B (en) | Compressor control method, device and the air conditioner of air conditioner | |
| CN107560185A (en) | Gas heater and its constant air capacity control and control device | |
| CN105953358A (en) | Safety protection method and device for air conditioner and air conditioner | |
| CN107577224A (en) | A kind of charger and its core controller, cooling control method | |
| CN107070370A (en) | Electric motor protecting control system and method | |
| CN108242908A (en) | Motor rotation blockage protection control method, device and the electric vehicle of electric vehicle | |
| CN107736845A (en) | A kind of dust catcher with mode of operation self-regulating function | |
| CN203970170U (en) | The intelligent controlling device that air is complained and quarrel loudly | |
| CN203706786U (en) | Heat dissipation mechanism of cabinet type transformer | |
| CN106385007B (en) | The guard method of DC fan power control module and device | |
| CN108105135B (en) | Direct current fan control method and device | |
| JP4673436B1 (en) | Fan | |
| CN107062521A (en) | Convertible frequency air-conditioner fire prevention control method | |
| CN207096855U (en) | Automatically adjusting water supply or ventilation temperature prevents the control device of cooled equipment condensation | |
| CN112484240B (en) | Defrosting control method and device for air conditioner | |
| CN104913470B (en) | Air cleaning facility and its air quantity control method and air quantity controller | |
| CN205341114U (en) | Sprayer PLC intelligent control device | |
| CN100444065C (en) | Air-assisted type spraying machine controller based on microcomputer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |