CN107388416A - Air-conditioner outdoor unit and its control method - Google Patents
Air-conditioner outdoor unit and its control method Download PDFInfo
- Publication number
- CN107388416A CN107388416A CN201710573453.7A CN201710573453A CN107388416A CN 107388416 A CN107388416 A CN 107388416A CN 201710573453 A CN201710573453 A CN 201710573453A CN 107388416 A CN107388416 A CN 107388416A
- Authority
- CN
- China
- Prior art keywords
- chassis
- heater
- air
- conditioner outdoor
- outdoor unit
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 230000008014 freezing Effects 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 230000005059 dormancy Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 6
- 230000003116 impacting effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
Abstract
The present invention provides a kind of air-conditioner outdoor unit and its control method.The air-conditioner outdoor unit includes chassis and the heater for being heated to the chassis, in addition to detection means, and the detection means is used to detect the ice condition on the chassis, to indicate whether the heater is opened.The detection means for detecting the ice condition on chassis is provided with air-conditioner outdoor unit provided by the invention, the work of heater is indicated according to the testing result of detection means, when do not frozen on chassis or icing amount seldom and the rotation that is not enough to fan blade impact when be not turned on heater, greatly save electric energy.
Description
Technical field
The present invention relates to field of air conditioning, and in particular to a kind of air-conditioner outdoor unit and its control method.
Background technology
When meeting with sleety weather, sleet can enter in outdoor unit and in outdoor air-conditioner outdoor unit in cold environment
Frozen on the chassis of machine, if the blower fan now in outdoor unit is opened, fan blade can be got on ice, so as to which fan blade be damaged.To avoid
Whether this problem, existing way are that heating tape is set on chassis, when environment temperature is less than -5 DEG C, no matter have on chassis
Ice heat tape all can automatic start, cause the waste of electric energy.
The content of the invention
In view of this, an object of the present invention is that providing one kind can either avoid the fan blade caused by chassis freezes from damaging
Bad, and can enough saves the air-conditioner outdoor unit and its control method of electric energy.
To reach above-mentioned purpose, on the one hand, the present invention uses following technical scheme：
A kind of air-conditioner outdoor unit, including chassis and the heater for being heated to the chassis, in addition to detection
Device, the detection means is used to detect the ice condition on the chassis, to indicate whether the heater is opened.
Preferably, the ice condition includes whether to freeze and/or icing amount.
Preferably, the detection means includes：
Freezing sensor；
And/or
For detecting the stress detecting element of chassis force-bearing situation, according to stress detecting element detect the chassis by
Power situation obtains the ice condition on chassis.
Preferably, the detection means includes the stress detecting element, and the air-conditioner outdoor unit also includes being used to detect
The detector unit of environment temperature；
When the environment temperature of detector unit detection is less than predetermined temperature, according to the detection of stress detecting element
The stressing conditions on chassis obtain the ice condition on chassis；And/or when the environment temperature of detector unit detection is equal to or high
When predetermined temperature, the heater is closed.
Preferably, the stress detecting element includes：
The pressure sensor being arranged on the chassis；
And/or
The stress section being arranged on the chassis；
And/or
The foil gauge being arranged on the chassis.
Preferably, the pressure sensor is arranged on the upper surface on the chassis；
Or
The air-conditioner outdoor unit is rack-mount, the pressure sensor be arranged on the support and the chassis it
Between；
Or
The chassis includes upper and lower two layers of tray unit, the pressure sensor be arranged on two layers tray unit it
Between.
Preferably, the air-conditioner outdoor unit also includes the blower fan above the chassis, and the detection means is arranged on
The opening position corresponding with the blower fan on the chassis.
On the other hand, the present invention uses following technical scheme：
A kind of control method for being used to control air-conditioner outdoor unit as described above, when the detection means detects the chassis
On when not freezing, control the heater to be closed, when the detection means, which detects, to be frozen on the chassis,
The heater is controlled to open.
Preferably, the control method further comprises：Icing on the chassis that the detection means detects
When amount is more than scheduled volume, controls the heater to open, otherwise control the heater to be closed.
Preferably, the control method further comprises：The heater is controlled according to the icing amount on the chassis
Heating power.
Preferably, the detection means includes being used to detect the stress detecting element of the stressing conditions on the chassis, described
Air-conditioner outdoor unit also includes being used for the detector unit for detecting environment temperature, and the control method further comprises：
When the environment temperature of detector unit detection is equal to or higher than predetermined temperature, the heater is controlled
It is closed；And/or
When the environment temperature of detector unit detection is less than predetermined temperature, examined according to the stress detecting element
The stressing conditions on the chassis surveyed judge the ice condition on chassis, and control the heater according to the ice condition
Switch.
Preferably, the stress detecting element includes the pressure sensor being arranged on the chassis, the control method
Further comprise：When the environment temperature of detector unit detection is less than predetermined temperature, if the pressure sensor is examined
The pressure measured is more than preset pressure threshold value, then controls the heater to open, if the pressure that the pressure sensor detects
Power is less than or equal to preset pressure threshold value, then controls the heater to close.
Preferably, the control method further comprises：When the detector unit detection environment temperature be equal to or
During higher than predetermined temperature, the stress detecting element in a dormant state, when the detector unit detection environment temperature
During less than predetermined temperature, the stress detecting element in a dormant state is waken up.
The detection means for detecting the ice condition on chassis is provided with air-conditioner outdoor unit provided by the invention, according to
The testing result of detection means indicates the work of heater, when not frozen on chassis or icing amount is seldom not enough to
Rotation to fan blade is not turned on heater when impacting, and greatlys save electric energy.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows that the air-conditioner outdoor unit that the specific embodiment of the invention provides removes the structural representation after the front panel of decapsidate
Figure；
Fig. 2 shows the control method flow chart for the air-conditioner outdoor unit that the specific embodiment of the invention provides.
In figure, 1, chassis；2nd, blower fan；3rd, heat exchanger；4th, compressor；5th, pressure sensor.
Embodiment
Below based on embodiment, present invention is described, it should be understood by one skilled in the art that provided herein
Accompanying drawing is provided to the purpose of explanation, and accompanying drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc.
Word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is containing for " including but is not limited to "
Justice.
" top " " lower section " described herein refers to orientation of the air-conditioner outdoor unit in normal operating condition, specifically
With reference to the orientation shown in figure 1.
As shown in figure 1, the air-conditioner outdoor unit that the application provides includes shell and the blower fan 2, the heat exchanger that are arranged in shell
3rd, the conventional equipment such as compressor 4, wherein, shell includes, positioned at the chassis 1 of bottom, being provided with chassis 1 for entering chassis 1
The heater (not shown) of row heating, is heated so that the One On The Chassis and melt by heater to chassis 1
And flowed out by the gap between the One On The Chassis hole or chassis 1 and housing other parts, heater for example can be electrical heating
Band, it is generally the case that support is provided with below the outdoor unit of domestic air conditioning, air-conditioner outdoor unit is supported on support.Air conditioning chamber
Outer machine also includes detection means, and the One On The Chassis ice condition is detected by detection means, is frozen for example whether existing, with
And situations such as icing amount, the work of heater is indicated according to the testing result of detection means, when on chassis 1 without freeze or
The rotation that person's icing amount is seldom not enough to the fan blade of blower fan 2 is not turned on heater (behind control method when impacting
Illustrate), greatly save electric energy.For example, detection means and heater are connected with controller, controller is according to inspection
The ice condition for surveying device detection controls whether heater is opened, and controller herein can be to be separately provided, can also
Integrated with the control panel of air-conditioning.
Wherein, detection means can be the arbitrary structures that can reflect ice condition on chassis 1, in one embodiment,
Detection means includes freezing sensor, such as optical profile type freezing sensor, electricity formula freezing sensor, mechanical freezing sensor
Etc., whether freezing sensor will directly can freeze on chassis 1, the parameter related to icing amount (such as the thickness that freezes) is directly anti-
It is fed in the controller of air-conditioning, controller can judge whether to need to open heater according to these information of feedback.
In another embodiment, after due to being frozen on the chassis 1 of indoor set, the stressing conditions on chassis 1 can change,
The One On The Chassis ice condition can be reflected according to the stressing conditions on chassis 1, based on this, detection means includes being used to detect chassis 1
The stress detecting element of stressing conditions, the stressing conditions on the chassis 1 detected according to stress detecting element can determine whether on chassis 1
Ice condition.
Detection means for example can be pressure sensor 5, and the pressure detected by pressure sensor 5 is judged on chassis 1
Ice condition so that heater is controlled, specifically, a pressure threshold can be preset, if pressure sensor 5 is examined
The pressure measured is more than preset pressure threshold value, represents the needs ice of chassis 1, control heater is opened, if pressure sensor 5 is examined
The pressure measured is less than or equal to preset pressure threshold value, represents that chassis 1 need not change ice, control heater is closed.Preset pressure
Threshold value can be configured according to the set location and specificization ice demand of pressure sensor 5, the setting position of pressure sensor 5
Putting can for example be arranged on the upper surface on chassis 1 as shown in fig. 1, and what now pressure sensor 5 sensed is that ice is produced to it
Raw pressure, for another example pressure sensor 5 is arranged between support and chassis 1, now pressure sensor sensing be ice together with
Air-conditioner outdoor unit is located at the One On The Chassis part together to its caused pressure, for another example chassis 1 is arranged into double-decker, wraps
Include two layers of tray unit, pressure sensor 5 up and down to be arranged between two layers of tray unit, what now pressure sensor 5 sensed is
Upper strata tray unit, ice and air-conditioner outdoor unit are located at the One On The Chassis part together to its caused pressure.In this way, pressure passes
The set location of sensor 5 is different, then preset pressure threshold value is also different.Specificization ice demand for example could be arranged on chassis 1
Once there is ice to open heater to be heated to chassis, it can also be provided that when ice exceedes a certain amount on chassis 1
Heater is opened to be heated to chassis 1, and heater need not be opened when the One On The Chassis ice is less, from
And further reduce energy consumption.
The detection dress of the stressing conditions of chassis 1 can be detected it is, of course, understood that detection means can also be other
Put, such as can be to be arranged on the One On The Chassis stress section or foil gauge etc., the chassis 1 arrived according to stress section, strain measurement
Stress, strain change also can interpolate that the One On The Chassis ice condition.
To be further ensured that the accuracy of testing result, it is preferable that also include being used for the temperature detection for detecting environment temperature
Element (not shown), a predetermined temperature is set, when the environment temperature of detector unit detection is less than predetermined temperature, root
The One On The Chassis ice condition is obtained according to the stressing conditions on the chassis 1 of stress detecting element detection, when detector unit detection
When environment temperature is at or above predetermined temperature, represent to freeze on chassis 1, now control heater all the time in pass
Closed state, so as to effectively prevent other foreign matters from falling the maloperation caused on pressure sensor 5 to heater.Predetermined temperature
Preferred scope is -5 DEG C~5 DEG C, more preferably -1 DEG C~1 DEG C, for example, in a specific embodiment, predetermined temperature
For 0 DEG C.Detector unit for example can be temperature-sensitive bag.
It is further preferred that when the environment temperature of detector unit detection is equal to or higher than predetermined temperature, stress inspection
Survey element in a dormant state, will in a dormant state when the environment temperature of detector unit detection is less than predetermined temperature
Stress detecting element wake up, in this way, in the most of the time, stress detecting element is in resting state, further reduces empty
The power consumption of tune.
Due to the main purpose that heater is set be in order to avoid the One On The Chassis ice causes to damage to fan blade, it is therefore excellent
Selection of land, as shown in figure 1, detection means is arranged on opening position corresponding with blower fan 2 on chassis 1, for example, detection means is arranged on
The underface of blower fan 2.
The control method of the air-conditioner outdoor unit for example can be：When detection means, which detects, not to be frozen on chassis 1, control
Heater is closed, and when detection means, which detects, to be frozen on chassis 1, control heater is opened.
It is further preferred that when detection means is detected and frozen on chassis 1, the One On The Chassis icing amount is determined whether
Whether it is more than scheduled volume, if then controlling heater to open, otherwise, judges that the One On The Chassis ice amount is seldom, do not interfere with blower fan
2 normal operation, now heater is controlled to be still within closed mode.Wherein, icing amount can be by other parameters come anti-
Reflect, such as when detection means is pressure sensor 5, can be frozen by the pressure size that pressure sensor 5 senses to reflect
The size of amount, when detection means is foil gauge, the size of icing amount can be reflected by the strain size of foil gauge, works as detection
When device is stress section, the size of icing amount can be reflected by the stress intensity of stress section.The big I of scheduled volume is according to inspection
The type, specific air-conditioner outdoor unit type, blower fan 2 for surveying device are configured apart from factors such as the distances on chassis 1.
It is further preferred that also the heating power of heater can be controlled according to the One On The Chassis icing amount, when icing amount
When smaller, the heating power of heater can be suitably turned down, when icing amount is larger, the appropriate heating work(for increasing heater
Rate, in this way, further reducing the power consumption of air-conditioning by reasonably controlling the heating power of heater.
Below the application is illustrated so that stress detecting element is to be arranged on the pressure sensor 5 of the upper surface of chassis 1 as an example
The control method of air-conditioner outdoor unit, as shown in Fig. 2 this method includes：
Step S001, detector unit detection environment temperature；
Step S002, judge whether the environment temperature that detector unit detects is less than 0 DEG C, if so, then carrying out step
S003, otherwise return to step S001；
Step S003, pressure sensor 5 in a dormant state is waken up；
Step S004, pressure sensor 5 detects the pressure that it is subject to；
Step S005, judge whether the pressure that pressure sensor 5 is subject to is more than preset pressure threshold value 5N, if then illustrating bottom
Icing amount is excessive, it is necessary to change ice on disk 1, carries out step S006, otherwise step S004；
Step S006, heater is opened to heat chassis 1；
Step S007, judge whether the pressure that pressure sensor 5 is subject to is more than preset pressure threshold value 5N, if so, then returning
Step S006, heater is otherwise closed into simultaneously return to step S001.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, it is equal
Replace, improve etc., it should be included in the scope of the protection.
Claims (13)
1. a kind of air-conditioner outdoor unit, it is characterised in that including chassis and the heater for being heated to the chassis, also
Including detection means, the detection means is used to detect the ice condition on the chassis, whether to indicate the heater
Open.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that the ice condition include whether freeze and/or
Icing amount.
3. air-conditioner outdoor unit according to claim 1, it is characterised in that the detection means includes：
Freezing sensor；
And/or
For detecting the stress detecting element of chassis force-bearing situation, the stress feelings on the chassis detected according to stress detecting element
Condition obtains the ice condition on chassis.
4. air-conditioner outdoor unit according to claim 3, it is characterised in that the detection means includes stress detection member
Part, the air-conditioner outdoor unit also include being used for the detector unit for detecting environment temperature；
When the environment temperature of detector unit detection is less than predetermined temperature, according to stress detecting element detection
The stressing conditions on chassis obtain the ice condition on chassis；And/or when the environment temperature of detector unit detection is equal to or high
When predetermined temperature, the heater is closed.
5. air-conditioner outdoor unit according to claim 3, it is characterised in that the stress detecting element includes：
The pressure sensor being arranged on the chassis；
And/or
The stress section being arranged on the chassis；
And/or
The foil gauge being arranged on the chassis.
6. air-conditioner outdoor unit according to claim 5, it is characterised in that the pressure sensor is arranged on the chassis
On upper surface；
Or
The air-conditioner outdoor unit is rack-mount, and the pressure sensor is arranged between the support and the chassis；
Or
The chassis includes upper and lower two layers of tray unit, and the pressure sensor is arranged between two layers of tray unit.
7. according to the air-conditioner outdoor unit described in one of claim 1-6, it is characterised in that the air-conditioner outdoor unit also includes being located at
Blower fan above the chassis, the detection means are arranged on opening position corresponding with the blower fan on the chassis.
8. a kind of control method for being used to control the air-conditioner outdoor unit as described in one of claim 1-7, it is characterised in that work as institute
State detection means to detect when not freezing on the chassis, control the heater to be closed, when the detection dress
Put and detect when being frozen on the chassis, control the heater to open.
9. control method according to claim 8, it is characterised in that the control method further comprises：When the inspection
When the icing amount surveyed on the chassis that device detects is more than scheduled volume, controls the heater to open, otherwise control institute
Heater is stated to be closed.
10. control method according to claim 8, it is characterised in that the control method further comprises：According to described
Icing amount on chassis controls the heating power of the heater.
11. according to the control method described in one of claim 8-10, it is characterised in that the detection means includes being used to detect
The stress detecting element of the stressing conditions on the chassis, the air-conditioner outdoor unit also include being used for the temperature inspection for detecting environment temperature
Element is surveyed, the control method further comprises：
When the environment temperature of detector unit detection is equal to or higher than predetermined temperature, the heater is controlled to be in
Closed mode；And/or
When the environment temperature of detector unit detection is less than predetermined temperature, detected according to the stress detecting element
The stressing conditions on the chassis judge the ice condition on chassis, and control opening for the heater according to the ice condition
Close.
12. control method according to claim 11, it is characterised in that the stress detecting element is described including being arranged on
Pressure sensor on chassis, the control method further comprise：When the environment temperature of detector unit detection is low
When predetermined temperature, if the pressure that the pressure sensor detects is more than preset pressure threshold value, the heater is controlled
Open, if the pressure that the pressure sensor detects is less than or equal to preset pressure threshold value, control the heater to close.
13. control method according to claim 11, it is characterised in that the control method further comprises：When described
When the environment temperature of detector unit detection is equal to or higher than predetermined temperature, the stress detecting element is set to be in dormancy shape
State, when the environment temperature of detector unit detection is less than predetermined temperature, the stress in a dormant state is examined
Element is surveyed to wake up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573453.7A CN107388416A (en) | 2017-07-14 | 2017-07-14 | Air-conditioner outdoor unit and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573453.7A CN107388416A (en) | 2017-07-14 | 2017-07-14 | Air-conditioner outdoor unit and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388416A true CN107388416A (en) | 2017-11-24 |
Family
ID=60339744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710573453.7A Pending CN107388416A (en) | 2017-07-14 | 2017-07-14 | Air-conditioner outdoor unit and its control method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237734A (en) * | 2018-08-31 | 2019-01-18 | 青岛海尔空调电子有限公司 | A kind of air conditioner outdoor unit chassis method for heating and controlling |
| CN109612054A (en) * | 2018-12-14 | 2019-04-12 | 广东志高暖通设备股份有限公司 | A kind of deicing control method of chassis of outdoor unit of air conditioner |
| CN109869869A (en) * | 2018-12-29 | 2019-06-11 | 珠海格力电器股份有限公司 | Outdoor machine of air-conditioner chassis method for heating and controlling |
| CN110160212A (en) * | 2019-05-17 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of electrically heated control method in outdoor machine of air-conditioner chassis, device and air conditioner |
| CN110274351A (en) * | 2019-06-26 | 2019-09-24 | 珠海格力电器股份有限公司 | A kind of deicing control method, device, storage medium and air-conditioning |
| CN110410968A (en) * | 2019-07-04 | 2019-11-05 | 青岛海尔空调器有限总公司 | Air conditioner and its control method |
| CN110726236A (en) * | 2019-08-19 | 2020-01-24 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and control method thereof |
| CN111059699A (en) * | 2019-12-12 | 2020-04-24 | 珠海格力电器股份有限公司 | Electric heating belt control method and device, storage medium and air conditioner |
| CN112066463A (en) * | 2020-09-18 | 2020-12-11 | 广东积微科技有限公司 | Control method and heat control device for chassis heater of air conditioner outdoor unit and air conditioner |
| CN112682907A (en) * | 2020-12-14 | 2021-04-20 | 珠海格力电器股份有限公司 | Air conditioner, heat pipe defrosting control method, computer equipment, medium and terminal |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237734A (en) * | 2018-08-31 | 2019-01-18 | 青岛海尔空调电子有限公司 | A kind of air conditioner outdoor unit chassis method for heating and controlling |
| WO2020042590A1 (en) * | 2018-08-31 | 2020-03-05 | 青岛海尔空调电子有限公司 | Heating control method for chassis of outdoor unit of air conditioner |
| CN109612054A (en) * | 2018-12-14 | 2019-04-12 | 广东志高暖通设备股份有限公司 | A kind of deicing control method of chassis of outdoor unit of air conditioner |
| CN109869869A (en) * | 2018-12-29 | 2019-06-11 | 珠海格力电器股份有限公司 | Outdoor machine of air-conditioner chassis method for heating and controlling |
| CN110160212A (en) * | 2019-05-17 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of electrically heated control method in outdoor machine of air-conditioner chassis, device and air conditioner |
| CN110274351A (en) * | 2019-06-26 | 2019-09-24 | 珠海格力电器股份有限公司 | A kind of deicing control method, device, storage medium and air-conditioning |
| CN110410968A (en) * | 2019-07-04 | 2019-11-05 | 青岛海尔空调器有限总公司 | Air conditioner and its control method |
| CN110726236A (en) * | 2019-08-19 | 2020-01-24 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and control method thereof |
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