CN106403195A - Control method and device for electric auxiliary heating device of air conditioner - Google Patents
Control method and device for electric auxiliary heating device of air conditioner Download PDFInfo
- Publication number
- CN106403195A CN106403195A CN201610909002.1A CN201610909002A CN106403195A CN 106403195 A CN106403195 A CN 106403195A CN 201610909002 A CN201610909002 A CN 201610909002A CN 106403195 A CN106403195 A CN 106403195A
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- Prior art keywords
- leaving air
- air temp
- change
- rate
- electric auxiliary
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- 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)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method and device for an electric auxiliary heating device of an air conditioner and belongs to the field of air conditioning technologies. The control method comprises the steps that the outlet air temperature is obtained, and the outlet air temperature changing rate is determined; the abnormal running status parameters of the outlet air temperature changing rate is counted in a set period, and the abnormal running status parameters comprise one kind or several kinds of the frequency that the outlet air temperature changing rate exceeds a preset outlet air temperature changing rate and the duration that the outlet air temperature changing rate exceeds the preset outlet air temperature changing rate; and when the abnormal running status parameters reach a preset threshold value of the abnormal running status parameters, the electric auxiliary heating device is turned off. According to the control method, the electric auxiliary heating device can be turned off in time through monitoring on the real-time changing rate of the outlet air temperature when the temperature changes urgently, so that elements in the air conditioner can be effectively protected, the elements are prevented from being burnt, and the service life of the air conditioner is prolonged.
Description
Technical field
The present invention relates to air-conditioning technical field, the control method particularly to a kind of auxiliary thermal of air conditioner electric and device.
Background technology
In order to meet the requirement that heats of winter severe cold weather, user also can select using electricity when being heated using heat pump air conditioner
The auxiliary thermal such as heater is heated, and due to electric heater, in heating operations, its surface temperature is higher, once showing
The situation that air port blocks or fan is stuck, heat produced by electrical heating can make air-conditioning inner member be brought rapidly up, easily make
Become the generation of the accidents such as fire.
Existing air-conditioner, for the consideration of secure context, typically in air outlet mounting temperature sensor, and can add in electricity
Setting temperature protector and fuse protector on hot device.But these protection devices existing are according in certain time mostly
Judging the temperature conditionss within air-conditioning, this determination methods are applied to the feelings of the linear change of temperature to bulk temperature variable quantity
Condition, as shown in Figure 1；But when electric heater causes larger temperature fluctuation at short notice, conventional method tends not to accurately anti-
Reflect the actual temperature change situation of electric heater, delay the protection to electric heater and fusing controls.
Content of the invention
Embodiments provide control method and the device of a kind of auxiliary thermal of air conditioner electric.In order to the enforcement disclosing
Some aspects of example have a basic understanding, shown below is simple summary.This summarized section is not extensive overview, not yet
It is intended to the protection domain determining key/critical component or describing these embodiments.Its sole purpose is to use simple form
Assume some concepts, in this, as the preamble of following detailed description.
According to embodiments of the present invention the on one side, there is provided a kind of control method of the auxiliary thermal of air conditioner electric, including：
Obtain leaving air temp, determine the leaving air temp rate of change of leaving air temp；Statistics in setting cycle, leaving air temp rate of change different
Often running state parameter, wherein, abnormal operating condition parameter includes one or more of following parameter：Leaving air temp rate of change surpasses
Go out the number of times of default leaving air temp rate of change, leaving air temp rate of change exceeds the persistent period presetting leaving air temp rate of change；?
When abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close electric auxiliary thermal.
Further, when abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close electricity auxiliary
Thermal includes：If number of times exceedes preset times, close electric auxiliary thermal.
Further, in setting cycle, the abnormal operating condition parameter of leaving air temp rate of change includes statistics：Count
Air temperature rate of change exceed preset temperature rate of change moment, determine in setting cycle leaving air temp rate of change exceed set out in advance
The number of times in the moment of air temperature rate of change；If number of times exceedes preset times, close electric auxiliary thermal and include：Judge setting week
Whether the number of times being counted in the phase exceedes preset times, if exceeding preset times, closes electric auxiliary thermal.
Further, when abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close electricity auxiliary
Thermal includes：If the persistent period exceeds preset durations, close electric auxiliary thermal.
Further, in setting cycle, the abnormal operating condition parameter of leaving air temp rate of change includes statistics：Statistics is single
Secondary leaving air temp rate of change exceeds the persistent period of default leaving air temp rate of change；If the persistent period exceedes preset durations,
Then close electric auxiliary thermal to include：Judging whether the persistent period exceedes preset durations, if exceeding preset durations, closing
Close electric auxiliary thermal.
Further, control method also includes：When leaving air temp is more than default leaving air temp, close electric auxiliary thermal.
A kind of second aspect according to embodiments of the present invention, there is provided control device, including：Temperature sensor, setting
In the air outlet position of air-conditioning, to obtain leaving air temp；Processor, for receiving the leaving air temp of temperature sensor acquisition, and
Determine the leaving air temp rate of change of leaving air temp according to leaving air temp；And statistics is in setting cycle, leaving air temp rate of change
Abnormal operating condition parameter, wherein, abnormal operating condition parameter includes one or more of following parameter：Leaving air temp changes
Rate exceeds the number of times of default leaving air temp rate of change, leaving air temp rate of change exceed default leaving air temp rate of change lasting when
Between；When abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close electric auxiliary thermal.
Further, processor is used for：When number of times exceedes preset times, close electric auxiliary thermal.
Further, processor is used for：Statistics leaving air temp rate of change exceeds the moment of preset temperature rate of change, determines
In setting cycle, leaving air temp rate of change exceeds the number of times in the moment of default leaving air temp rate of change；Judge institute in setting cycle
Whether the number of times of statistics exceedes preset times, if exceeding preset times, closes electric auxiliary thermal.
Further, processor is used for：When the persistent period exceeding preset durations, close electric auxiliary thermal.
Further, processor is used for：Statistics single leaving air temp rate of change exceeds holding of default leaving air temp rate of change
The continuous time；Judging whether the persistent period exceedes preset durations, if exceeding preset durations, closing electric auxiliary thermal.
Further, processor is used for：When leaving air temp is more than default leaving air temp, close electric auxiliary thermal.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect：
The control method of the present invention changes conventional air-conditioning using the temperature overall variation amount in sometime length as ginseng
The mode that number is controlled, by monitoring the real-time change rate of leaving air temp, timely can close when temperature drastically changes
The auxiliary thermal of electricity, such that it is able to the safety of effective guarantee air-conditioning inner member, it is to avoid the appearance of the problems such as element is burned out, extends
The service life of air-conditioning.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory, not
The present invention can be limited.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the present invention
Example, and be used for explaining the principle of the present invention together with description.
Fig. 1 is the temperature change schematic diagram one according to an exemplary embodiment；
Fig. 2 is the temperature change schematic diagram two according to an exemplary embodiment；
Fig. 3 is the flow chart of the control method of the present invention according to an exemplary embodiment.
Specific embodiment
The following description and drawings fully illustrate specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Embodiment only represents possible change.Unless explicitly requested, otherwise individually components and functionality is optional, and
And the order operating can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The scope of embodiment of the present invention includes the gamut of claims, and the institute of claims
There is obtainable equivalent.Herein, each embodiment individually or generally with term " invention " can be represented, this is only
Merely for convenience, and if in fact disclosing the invention more than, be not meant to automatically limit the scope of this application
For any single invention or inventive concept.Herein, such as first and second or the like relational terms are used only for one
Entity or operation are made a distinction with another entity or operation, and do not require or imply exist between these entities or operation
Any actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to non-exclusive
Property comprise so that including a series of process of key elements, method or equipment not only include those key elements, but also include
Other key elements being not expressly set out.Each embodiment is described by the way of going forward one by one herein, and each embodiment stresses
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For enforcement
For structure, product etc. disclosed in example, because it is partly corresponding with disclosed in embodiment, so fairly simple, the phase of description
Referring to method part illustration in place of pass.
Due to the impact of air-conditioning endo conformation and the ruuning situation of different elements, the leaving air temp of air-conditioning rate non-constant
Change, particularly after enabling electric auxiliary thermal, the heating rate of leaving air temp also in real-time change, usual manner with solid
The temperature change total amount of section of fixing time as control parameter mode be not particularly suited for temperature steeply rise, the shape of temperature jump
Condition, therefore in order to improve the control progress to electric auxiliary thermal it is ensured that the safe operation of air-conditioning, as shown in figure 3, the present invention provides
A kind of control method of the auxiliary thermal of air conditioner electric, step includes：
S101, acquisition leaving air temp, determine the leaving air temp rate of change of leaving air temp；Specifically, leaving air temp can lead to
Cross the temperature sensor being arranged at air-conditioner air outlet to obtain；
S102, statistics in setting cycle, the abnormal operating condition parameter of leaving air temp rate of change, wherein, misoperation
State parameter includes one or more of following parameter：Leaving air temp rate of change exceed default leaving air temp rate of change number of times,
Leaving air temp rate of change exceeds the persistent period of default leaving air temp rate of change；
S103, when abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close electric auxiliary hot charging
Put.
The control method of the present invention is applied to the temperature variations of non-linear as shown in Figure 2, can go out pathogenic wind-warm
Angle value be not up to Alert Standard but rate of temperature change larger when, timely control close electric auxiliary thermal, reduce temperature drastically become
Change the adverse effect to electric auxiliary thermal and air-conditioning other element.
In one embodiment of the invention, if leaving air temp rate of change exceeds default leaving air temp rate of change, close
The process closing electric auxiliary thermal includes：
Obtain the moment that leaving air temp rate of change exceeds default leaving air temp rate of change, statistics in setting cycle described go out
Air temperature rate of change exceeds the number of times in the moment of default leaving air temp rate of change, judges that the number of times being counted in setting cycle is
No exceed preset times, if exceeding preset times, close electric auxiliary thermal.For example, in an embodiment, default leaving air temp becomes
The threshold values of rate is 5 DEG C/min, and setting cycle is 20min, and preset times are 6 times, in a certain setting cycle, detect altogether and count
Calculation has the moment that 8 rate of temperature changes exceed 5 DEG C/min of this threshold values, then control and close electric auxiliary thermal and radiated.
In above-described embodiment, according in the step that the preset times beyond rate of temperature change control the auxiliary heat of electricity to close, also may be used
With the interval time between obtaining beyond the moment of rate of temperature change, to judge intensive journey in this setting cycle for the leaving air temp
Degree, if dense degree is excessive or interval time is too short, also should control the electric auxiliary thermal of closing to be radiated.For example, in 20min
Setting cycle in, detect and calculate 5 rate of temperature changes and exceed the moment of 5 DEG C/min of this threshold values although less than default time
Number, but this 5 respectively the 3rd minute, the 5th minute, the 7th minute, the 9th minute and the 11st minute moment, between 5 moment
Interval is shorter, therefore can determine that warming situation is more intensive within this time period, should close electric auxiliary thermal.
In another embodiment of the invention, if leaving air temp rate of change exceeds default leaving air temp rate of change, close
The process of the auxiliary thermal of electricity includes：
Statistics single leaving air temp rate of change exceeds the persistent period of default leaving air temp rate of change, judges that the persistent period is
No exceed preset durations, if exceeding preset durations, close electric auxiliary thermal.For example, in an embodiment, set out in advance
The threshold values of air temperature rate of change is 5 DEG C/min, and setting cycle is 20min, and preset durations are 10min, sets week a certain
In phase, the rate of temperature change that calculates acquisition in this persistent period section in the 3rd minute to the 15th minute be consistently greater than 5 DEG C of this threshold values/
Min, then control the electric auxiliary thermal of closing to be radiated.
In one embodiment of the invention, before the abnormal operating condition parameter to air-conditioning is counted and judges,
The also included step of control method has：
The leaving air temp value detecting is judged, when leaving air temp is more than default leaving air temp, closes described electricity
Auxiliary thermal.Because the auxiliary hot portion of electricity is arranged inside air-conditioning, then the step for passing through, then can be judged by actual leaving air temp
The temperature value being reached inside air-conditioning, when leaving air temp is too high, then can determine and has also reached higher temperature inside air-conditioning,
Such that it is able to take power-off to close the modes such as electric auxiliary heat in advance, prevent the continuation of air-conditioning internal temperature from raising, improve air-conditioning and use
Safety.
Present invention also offers a kind of control device, this control device is using the control method disclosed in above-described embodiment
The auxiliary thermal of electricity installed in air-conditioning is controlled accordingly, control device includes：
Temperature sensor, is arranged at the air outlet position of air-conditioning, to obtain leaving air temp；
Processor, for receiving the leaving air temp of temperature sensor acquisition, and determines leaving air temp according to leaving air temp
Leaving air temp rate of change；And statistics is in setting cycle, the abnormal operating condition parameter of leaving air temp rate of change, wherein, different
Often running state parameter includes one or more of following parameter：Leaving air temp rate of change exceeds default leaving air temp rate of change
Number of times, leaving air temp rate of change exceed the persistent period of default leaving air temp rate of change；Reach pre- in abnormal operating condition parameter
If during the threshold value of abnormal operating condition parameter, close electric auxiliary thermal.
In embodiment, processor is used for, when number of times exceedes preset times, cutting out electric auxiliary thermal.
In embodiment, processor is used for counting the moment that leaving air temp rate of change exceeds preset temperature rate of change, determines
In setting cycle, leaving air temp rate of change exceeds the number of times in the moment of default leaving air temp rate of change；Judge institute in setting cycle
Whether the number of times of statistics exceedes preset times, if exceeding preset times, closes electric auxiliary thermal.
In embodiment, processor is used for, when the persistent period exceeding preset durations, cutting out electric auxiliary thermal.
In embodiment, processor is used for counting single leaving air temp rate of change continuing beyond default leaving air temp rate of change
Time；Judging whether the persistent period exceedes preset durations, if exceeding preset durations, closing electric auxiliary thermal.
In embodiment, processor is used for, when leaving air temp is more than default leaving air temp, cutting out electric auxiliary thermal.
There is the air-conditioning of above-mentioned control device, it is possible to use this control device can realize the reality to the auxiliary thermal of air conditioner electric
When temperature detection and control, maintain air-conditioning safe and stable operation in the winter time.
It is described above and flow process illustrated in the accompanying drawings and structure it should be appreciated that the invention is not limited in,
And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim
System.
Claims (12)
1. a kind of control method of the auxiliary thermal of air conditioner electric is it is characterised in that include：
Obtain leaving air temp, determine the leaving air temp rate of change of described leaving air temp；
Count in setting cycle, the abnormal operating condition parameter of described leaving air temp rate of change, wherein, described misoperation shape
State parameter includes one or more of following parameter：Described leaving air temp rate of change exceeds the secondary of default leaving air temp rate of change
Several, described leaving air temp rate of change exceeds the persistent period of default leaving air temp rate of change；
When described abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close described electric auxiliary hot charging
Put.
2. control method according to claim 1 it is characterised in that reach default different in described abnormal operating condition parameter
Often during the threshold value of running state parameter, close described electric auxiliary thermal and include：
If described number of times exceedes preset times, close described electric auxiliary thermal.
3. control method according to claim 2 it is characterised in that
In setting cycle, the abnormal operating condition parameter of described leaving air temp rate of change includes statistics：Pathogenic wind-warm is gone out described in statistics
Degree rate of change exceed preset temperature rate of change moment, determine in setting cycle described leaving air temp rate of change exceed set out in advance
The number of times in the moment of air temperature rate of change；
If described number of times exceedes preset times, close described electric auxiliary thermal and include：Judge to be counted in setting cycle
Whether number of times exceedes preset times, if exceeding preset times, closes electric auxiliary thermal.
4. control method according to claim 1 it is characterised in that reach default different in described abnormal operating condition parameter
Often during the threshold value of running state parameter, close described electric auxiliary thermal and include：
If the described persistent period exceeds preset durations, close described electric auxiliary thermal.
5. control method according to claim 4 it is characterised in that
In setting cycle, the abnormal operating condition parameter of described leaving air temp rate of change includes statistics：Statistics single goes out pathogenic wind-warm
Degree rate of change exceeds the persistent period of default leaving air temp rate of change；
If the described persistent period exceedes preset durations, close described electric auxiliary thermal and include：Judge the described persistent period
Whether exceeding preset durations, if exceeding preset durations, closing electric auxiliary thermal.
6. control method according to claim 1 is it is characterised in that described control method also includes：
When leaving air temp is more than default leaving air temp, close described electric auxiliary thermal.
7. a kind of control device is it is characterised in that include：
Temperature sensor, is arranged at the air outlet position of air-conditioning, to obtain leaving air temp；
Processor, for receiving the described leaving air temp that described temperature sensor obtains, and determines institute according to described leaving air temp
State the leaving air temp rate of change of leaving air temp；And statistics is in setting cycle, the misoperation of described leaving air temp rate of change
State parameter, wherein, described abnormal operating condition parameter includes one or more of following parameter：Described leaving air temp rate of change
Beyond the number of times of default leaving air temp rate of change, described leaving air temp rate of change exceed default leaving air temp rate of change lasting when
Between；When described abnormal operating condition parameter reaches the threshold value of default abnormal operating condition parameter, close described electric auxiliary thermal.
8. control device according to claim 7 is it is characterised in that described processor is used for：Exceed pre- in described number of times
If during number of times, close described electric auxiliary thermal.
9. control device according to claim 8 is it is characterised in that described processor is used for：
Count described leaving air temp rate of change exceed preset temperature rate of change moment, determine in setting cycle described go out pathogenic wind-warm
Degree rate of change exceeds the number of times in the moment of default leaving air temp rate of change；
Judging whether the number of times being counted in setting cycle exceedes preset times, if exceeding preset times, closing electric auxiliary heat
Device.
10. control device according to claim 7 is it is characterised in that described processor is used for：
When the described persistent period exceeding preset durations, close described electric auxiliary thermal.
11. control devices according to claim 10 are it is characterised in that described processor is used for：
Statistics single leaving air temp rate of change exceeds the persistent period of default leaving air temp rate of change；
Judging whether the described persistent period exceedes preset durations, if exceeding preset durations, closing electric auxiliary thermal.
12. control devices according to claim 7 are it is characterised in that described processor is used for：
When leaving air temp is more than default leaving air temp, close described electric auxiliary thermal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909002.1A CN106403195A (en) | 2016-10-18 | 2016-10-18 | Control method and device for electric auxiliary heating device of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909002.1A CN106403195A (en) | 2016-10-18 | 2016-10-18 | Control method and device for electric auxiliary heating device of air conditioner |
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| CN201610909002.1A Pending CN106403195A (en) | 2016-10-18 | 2016-10-18 | Control method and device for electric auxiliary heating device of air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108180595A (en) * | 2017-11-23 | 2018-06-19 | 珠海格力电器股份有限公司 | Electric heater protection method and device and air conditioner |
| WO2019024690A1 (en) * | 2017-08-01 | 2019-02-07 | 青岛海尔空调电子有限公司 | Equipment detection method and device |
| CN109855232A (en) * | 2019-03-11 | 2019-06-07 | 珠海格力电器股份有限公司 | Air conditioning system fault processing method and modular machine system |
| CN112782219A (en) * | 2020-12-29 | 2021-05-11 | 广东普门生物医疗科技有限公司 | Method and device for detecting ventilation performance of ventilation pipe, storage medium and warming blanket |
| CN113137695A (en) * | 2021-04-14 | 2021-07-20 | 宁波奥克斯电气股份有限公司 | Control method and device for reliable operation of electric heating of air conditioner and air conditioner |
| CN113531669A (en) * | 2021-07-12 | 2021-10-22 | 珠海格力电器股份有限公司 | Electric auxiliary heating module control method and device for air conditioner |
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| CN109855232B (en) * | 2019-03-11 | 2020-10-02 | 珠海格力电器股份有限公司 | Air conditioning system fault processing method and modular machine system |
| CN112782219A (en) * | 2020-12-29 | 2021-05-11 | 广东普门生物医疗科技有限公司 | Method and device for detecting ventilation performance of ventilation pipe, storage medium and warming blanket |
| CN113137695A (en) * | 2021-04-14 | 2021-07-20 | 宁波奥克斯电气股份有限公司 | Control method and device for reliable operation of electric heating of air conditioner and air conditioner |
| CN113531669A (en) * | 2021-07-12 | 2021-10-22 | 珠海格力电器股份有限公司 | Electric auxiliary heating module control method and device for air conditioner |
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Application publication date: 20170215 |