CN109899945A - Outdoor unit, transducer air conditioning and its control method - Google Patents
Outdoor unit, transducer air conditioning and its control method Download PDFInfo
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- CN109899945A CN109899945A CN201910195274.3A CN201910195274A CN109899945A CN 109899945 A CN109899945 A CN 109899945A CN 201910195274 A CN201910195274 A CN 201910195274A CN 109899945 A CN109899945 A CN 109899945A
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- Prior art keywords
- supply voltage
- wind speed
- blower fan
- voltage
- outdoor unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The present invention proposes a kind of outdoor unit, transducer air conditioning and its control method, the outdoor unit includes AC blower fan, supply voltage detector, and main control chip, wherein, the main control chip is electrically connected the supply voltage detector output end, the main control chip includes processor and memory, control program is stored in the memory, described program can be realized following steps when being executed by the processor: the supply voltage detected value of acquisition supply voltage detector, judge whether the supply voltage detected value is lower than preset voltage value, in this way, it then controls the AC blower fan and executes the operation of the first wind speed shelves.The transducer air conditioning and its control method are based on above-mentioned outdoor unit.The invention improves the wind speed of air conditioner outer blower at low voltage, improve the heat-sinking capability of electric controller power device under air duct radiation mode, the exchange capability of heat of outdoor heat exchanger of air conditioner is improved simultaneously, the pressure for reducing outside air-conditioning system at high temperature improves the stability of electric controller operation.
Description
Technical field
The invention belongs to air-conditioner field more particularly to a kind of transducer air conditionings.
Background technique
The exchange capability of heat of frequency-variable air conditioner outdoor machine and the being positively correlated property of air quantity for flowing through outdoor heat exchanger, air quantity more it is big then
Heat transfer effect is better, meanwhile, the heat dissipation of the power semiconductor of the outer electric controller of frequency conversion room also with outdoor fan wind
Amount radiates, and the more big then heat dissipation effect of air quantity is better；For this purpose, to maintain the stabilization of wind speed under various different power voltages,
DC fan is generally used, or is controlled using the variable voltage control of thyristor copped wave, still, using DC fan high expensive,
Though decreasing using thyristor chopping regulating speed cost relative to DC fan, have a disadvantage in that electromagnetic interference is larger.
To reduce cost and reducing electromagnetic interference, AC blower fan is also one of common scheme, but the wind speed of AC blower fan
Influenced seriously by supply voltage, air quantity is big when voltage is high, wind speed is high, when voltage is low air quantity significantly become smaller, wind speed it is low, lead to low electricity
The heat transfer effect for depressing air conditioner is deteriorated, while the heat dissipation effect of electric controller is also significantly deteriorated.Under refrigerating state, outdoor is changed
Then system pressure becomes larger thermal effect difference, and the driving torque of compressor becomes larger, and the operating condition of frequency-variable controller significantly deteriorates, finally
Cause air conditioner fan-out capability to be remarkably decreased, while abnormal protection easily occurs in electric controller, affects user experience；And it is directed to
Electroless frequency-variable controller, which will lead to, can not work normally because of compressor overcurrent and easily leads to controller damage.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of outdoor unit, transducer air conditioning and its control method, the inventions
The wind speed for improving air conditioner outer blower at low voltage, improves the heat dissipation of electric controller power device under air duct radiation mode
Ability, while the exchange capability of heat of outdoor heat exchanger of air conditioner is improved, the pressure of outside air-conditioning system at high temperature is reduced, is mentioned
The high stability of electric controller operation.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of outdoor unit can detect supply voltage including the AC blower fan with the first wind speed shelves and the second wind speed shelves
Supply voltage detector, and the main control chip of the control AC blower fan wind-speed gear, wherein the wind speed of the first wind speed shelves is big
In the wind speed of the second wind speed shelves, the main control chip is electrically connected the supply voltage detector output end, the main control chip
Including processor and memory, control program, energy when described program is executed by the processor are stored in the memory
Whether the supply voltage detected value for enough performing the steps of acquisition supply voltage detector, judge the supply voltage detected value
Lower than preset voltage value, if so, then controlling the AC blower fan executes the operation of the first wind speed shelves；Conversely, then controlling the exchange
Blower executes the operation of the second wind speed shelves.
It is advanced optimized as of the invention, described program can be realized following steps when being executed by the processor: when
When downward trend is presented in the supply voltage detected value of acquisition within a preset time, supply voltage detected value lower than preset voltage value with
The difference of setting value then controls the AC blower fan and executes the operation of the first wind speed shelves；When the supply voltage detected value of acquisition is default
When ascendant trend being presented in the time, supply voltage detected value be higher than preset voltage value and setting value and, then control the exchange
Blower executes the operation of the second wind speed shelves.
A kind of outdoor unit can detect the supply voltage inspection of supply voltage including the AC blower fan with a variety of wind-speed gears
Survey device, and the main control chip of the control AC blower fan wind-speed gear, wherein the AC blower fan is from low wind speed to high wind
Speed is followed successively by the first gear, the second gear ... N gear, and it is defeated that the main control chip is electrically connected the supply voltage detector
Outlet prestores the multi-segment voltage section corresponding to the setting of multi gear position in the main control chip, successively from high voltage to low-voltage
For first voltage section, second voltage section ... N voltage range, the main control chip includes processor and memory,
Control program is stored in the memory, described program can be realized following steps when being executed by the processor: acquisition supplies
The supply voltage detected value of piezoelectric voltage detector judges that the supply voltage detected value is fallen into a certain voltage range prestored,
It such as falls into, then controls the wind-speed gear operation that the AC blower fan executes the corresponding voltage range.
It is advanced optimized as of the invention, further comprises the multiple drives that can drive different stalls in the AC blower fan
Dynamic circuit.
It is advanced optimized as of the invention, is provided on each driving circuit and the driving circuit can control to run
Relay.
A kind of transducer air conditioning, including indoor unit and outdoor unit, it is characterised in that: the outdoor unit is any of the above-described
The outdoor unit.
A kind of control method of transducer air conditioning is based on above-mentioned transducer air conditioning, it is characterised in that: detection supply voltage
Value, and the operating air velocity gear of the size Reverse Turning Control AC blower fan according to voltage value.
Compared with prior art, the advantages and positive effects of the present invention are: the present invention is controllable by being arranged in outdoor unit
The main control chip of alternating current generator gear air quantity processed, when supply voltage detected value is high, control alternating current generator executes the second wind speed shelves,
To suitably compensate for influence when voltage value height changes to outdoor air quantity, the heat exchange item of air-conditioner outdoor unit is improved
Part improves heat exchange efficiency when low-voltage, while improving the radiating condition of frequency conversion electrical control, particularly electroless frequency conversion electrical control,
And the compressor load condition of driving, the operational reliability of electric-control system is improved, air-conditioning system heat transfer effect is promoted.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit diagram of outdoor unit frequency control of the present invention.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments
In.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figure 1, the outdoor unit includes having the first wind speed shelves and the second wind speed the present invention provides a kind of outdoor unit
The AC blower fan M of shelves can detect the supply voltage detector of supply voltage, and the master of the control AC blower fan wind-speed gear
Control chip, wherein the wind speed of the first wind speed shelves is greater than the wind speed of the second wind speed shelves, and the main control chip is electrically connected the power supply
Voltage detector output end, the main control chip include processor and memory, and control program is stored in the memory,
Described program can be realized following steps when being executed by the processor: the supply voltage detection of acquisition supply voltage detector
Value, judges whether the supply voltage detected value is lower than preset voltage value, if so, then controlling the AC blower fan executes the first wind
Fast shelves operation；Conversely, then controlling the AC blower fan executes the operation of the second wind speed shelves.
Among the above, the AC blower fan M is two grades of blowers, that is, has the first wind speed shelves and the second wind speed shelves, in this kind of reality
It applies under example, when detecting supply voltage detected value is high voltage, then uses the second wind speed shelves；When detecting low-voltage, then
It using the first wind speed shelves, under such control mode, on the one hand avoids in the prior art, the height that Wind Volume introduces when high voltage
Noise, while the system pressure for avoiding low air quantity introducing when low-voltage is excessive, heat exchanger heat exchange is insufficient, electric controller radiates
The drawbacks such as unsmooth, it is often more important that significantly reducing the compressor overcurrent of frequency-variable controller at low voltage causes operation unstable
The problem of, influence when voltage value height changes to outdoor air quantity is suitably compensated for, the heat exchange of air-conditioner outdoor unit is improved
Condition improves heat exchange efficiency when low-voltage, while improving the radiating condition of frequency conversion electrical control, particularly electroless frequency conversion electrical control,
And the compressor load condition of driving, the operational reliability of electric-control system is improved, air-conditioning system heat transfer effect is promoted.
Meanwhile frequent switching blower gear is put near preset value in order to prevent, it joined return difference controlling party in the present invention
Method, i.e. described program can be realized following steps when being executed by the processor: when the supply voltage detected value of acquisition is default
When downward trend being presented in the time, supply voltage detected value is lower than the difference of preset voltage value and setting value, then controls the exchange
Blower executes the operation of the first wind speed shelves；When ascendant trend is presented within a preset time in the supply voltage detected value of acquisition, power supply
Voltage detecting value be higher than preset voltage value and setting value and, then control the AC blower fan and execute the second wind speed shelves and run.
If preset voltage value is Vs, then when voltage is on a declining curve, when supply voltage is lower than (Vs-k), wind speed rises one
Shelves；When voltage is in rising trend, when supply voltage is higher than (Vs+k), one grade of wind speed decreased；Wherein K > 0.By by default electricity
Pressure value is optimized for section, effectively avoids the frequent switching blower gear near preset value.
The present invention also provides a kind of outdoor unit, principle is close with the outdoor unit under the first embodiment, and difference only exists
It is multi gear position in AC blower fan, which is preferably greater than two grades.The outdoor unit includes the exchange with a variety of wind-speed gears
Blower can detect the supply voltage detector of supply voltage, and the main control chip of the control AC blower fan wind-speed gear,
In, the AC blower fan is to be followed successively by the first gear, the second gear ... N gear, the master control from low wind speed to high wind speed
Chip is electrically connected the supply voltage detector output end, is prestored in the main control chip corresponding to the more of multi gear position setting
Section voltage range, first voltage section, second voltage section ... N voltage range, institute are followed successively by from high voltage to low-voltage
Stating main control chip includes processor and memory, control program is stored in the memory, described program is by the processing
Device can be realized following steps when executing: the supply voltage detected value of acquisition supply voltage detector judges the supply voltage
Detected value is fallen into a certain voltage range prestored, is such as fallen into, then controls the AC blower fan and execute the corresponding voltage range
Wind-speed gear operation.
Illustrate, when AC blower fan is multi gear position, in main control chip prestore voltage can mutually should be correspond to it is more
The multi-segment voltage section of gear, and be in opposite corresponding relationship with AC blower fan, i.e., first voltage section is maximum voltage zone
Between, and corresponding first gear is most the second wind speed shelves, other are sequentially to correspond to.When supply voltage is higher, the wind speed shelves used
It is lower；Supply voltage is lower, when the wind speed shelves used are higher, realizes the actual discharge quantity of fan of motor and wind speed in power supply electricity
Remain basicly stable after the raw significant changes of pressure.
In addition, the outdoor unit in the present invention is provided with corresponding to the different stalls of AC blower fan including that can drive the friendship
Multiple driving circuits of different stalls in flow fan.And it is preferred, being provided on each driving circuit can control the drive
The relay of dynamic circuit operation.
Continue as shown in Figure 1, illustrating when AC blower fan is two grades of gears, corresponding to the first wind speed shelves and the second wind
Fast shelves are respectively arranged with can be by the relay K1 and relay K2 of closure starting driving circuit.
The present invention also provides a kind of transducer air conditioning, including indoor unit and outdoor unit, the outdoor unit is above-mentioned
Outdoor unit described in a kind of embodiment.
The control method of transducer air conditioning of the present invention is based on above-mentioned transducer air conditioning comprising following steps: detection power supply
Voltage value, and the operating air velocity gear of the size Reverse Turning Control AC blower fan according to voltage value.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of outdoor unit, it is characterised in that: including the AC blower fan with the first wind speed shelves and the second wind speed shelves, can detect and supply
The supply voltage detector of piezoelectric voltage, and the main control chip of the control AC blower fan wind-speed gear, wherein the first wind speed shelves
Wind speed be greater than the wind speed of the second wind speed shelves, the main control chip is electrically connected the supply voltage detector output end, described
Main control chip includes processor and memory, control program is stored in the memory, described program is by the processor
Can be realized following steps when execution: the supply voltage detected value of acquisition supply voltage detector judges the supply voltage inspection
Whether measured value is lower than preset voltage value, if so, then controlling the AC blower fan executes the operation of the first wind speed shelves；Conversely, then controlling
The AC blower fan executes the operation of the second wind speed shelves.
2. outdoor unit according to claim 1, it is characterised in that: described program can be realized when being executed by the processor
Following steps: when downward trend is presented within a preset time in the supply voltage detected value of acquisition, supply voltage detected value is lower than
The difference of preset voltage value and setting value then controls the AC blower fan and executes the operation of the first wind speed shelves；When the supply voltage of acquisition
When ascendant trend is presented in detected value within a preset time, supply voltage detected value be higher than preset voltage value and setting value and, then
It controls the AC blower fan and executes the operation of the second wind speed shelves.
3. a kind of outdoor unit, it is characterised in that: including the AC blower fan with a variety of wind-speed gears, can detect the confession of supply voltage
Piezoelectric voltage detector, and the main control chip of the control AC blower fan wind-speed gear, wherein the AC blower fan is from low wind
Speed to high wind speed is followed successively by the first gear, the second gear ... N gear, and the main control chip is electrically connected the supply voltage
Detector output end prestores the multi-segment voltage section corresponding to the setting of multi gear position in the main control chip, from high voltage to low
Voltage is followed successively by first voltage section, second voltage section ... N voltage range, the main control chip include processor and
Memory is stored with control program in the memory, and described program can be realized following steps when being executed by the processor:
The supply voltage detected value for acquiring supply voltage detector, judges that the supply voltage detected value is fallen into a certain voltage prestored
Section is such as fallen into, then controls the wind-speed gear operation that the AC blower fan executes the corresponding voltage range.
4. outdoor unit according to any one of claim 1-3, it is characterised in that: further comprise that can drive the exchange
Multiple driving circuits of different stalls in blower.
5. outdoor unit according to claim 4, it is characterised in that: be provided on each driving circuit controllable described
The relay of driving circuit operation.
6. a kind of transducer air conditioning, including indoor unit and outdoor unit, it is characterised in that: the outdoor unit is claim 1-5
Any one of described in outdoor unit.
7. a kind of control method of transducer air conditioning is based on transducer air conditioning as claimed in claim 6, it is characterised in that: detection
Voltage value, and the operating air velocity gear of the size Reverse Turning Control AC blower fan according to voltage value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195274.3A CN109899945A (en) | 2019-03-14 | 2019-03-14 | Outdoor unit, transducer air conditioning and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195274.3A CN109899945A (en) | 2019-03-14 | 2019-03-14 | Outdoor unit, transducer air conditioning and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899945A true CN109899945A (en) | 2019-06-18 |
Family
ID=66953245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910195274.3A Pending CN109899945A (en) | 2019-03-14 | 2019-03-14 | Outdoor unit, transducer air conditioning and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995231A (en) * | 2019-12-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Knob control method and control device |
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| JPH0814637A (en) * | 1994-06-27 | 1996-01-19 | Samsung Electronics Co Ltd | Equipment and method of controlling operation of air conditioner |
| US7102326B1 (en) * | 2005-08-08 | 2006-09-05 | Fego Precision Industrial Co., Ltd. | Motor speed variator and a driving method thereof |
| CN103580588A (en) * | 2012-08-06 | 2014-02-12 | 青岛海尔空调电子有限公司 | Motor control method and device and air conditioner |
| CN106288236A (en) * | 2016-09-30 | 2017-01-04 | Tcl空调器(中山)有限公司 | Air-conditioner compress control method and air-conditioner |
| CN108168033A (en) * | 2017-11-20 | 2018-06-15 | 珠海格力电器股份有限公司 | Blower control method, device, control circuit and air-conditioning |
| CN108826610A (en) * | 2018-09-13 | 2018-11-16 | 珠海格力电器股份有限公司 | Rotation speed of fan control method, device, storage medium, system and air-conditioning |
-
2019
- 2019-03-14 CN CN201910195274.3A patent/CN109899945A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814637A (en) * | 1994-06-27 | 1996-01-19 | Samsung Electronics Co Ltd | Equipment and method of controlling operation of air conditioner |
| US7102326B1 (en) * | 2005-08-08 | 2006-09-05 | Fego Precision Industrial Co., Ltd. | Motor speed variator and a driving method thereof |
| CN103580588A (en) * | 2012-08-06 | 2014-02-12 | 青岛海尔空调电子有限公司 | Motor control method and device and air conditioner |
| CN106288236A (en) * | 2016-09-30 | 2017-01-04 | Tcl空调器(中山)有限公司 | Air-conditioner compress control method and air-conditioner |
| CN108168033A (en) * | 2017-11-20 | 2018-06-15 | 珠海格力电器股份有限公司 | Blower control method, device, control circuit and air-conditioning |
| CN108826610A (en) * | 2018-09-13 | 2018-11-16 | 珠海格力电器股份有限公司 | Rotation speed of fan control method, device, storage medium, system and air-conditioning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995231A (en) * | 2019-12-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Knob control method and control device |
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Application publication date: 20190618 |
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