CN105352110B - A kind of air conditioner electricity auxiliary hot control method, controller and air conditioner - Google Patents
A kind of air conditioner electricity auxiliary hot control method, controller and air conditioner Download PDFInfo
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- CN105352110B CN105352110B CN201510640885.6A CN201510640885A CN105352110B CN 105352110 B CN105352110 B CN 105352110B CN 201510640885 A CN201510640885 A CN 201510640885A CN 105352110 B CN105352110 B CN 105352110B
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Abstract
The invention provides a kind of air conditioner electricity auxiliary hot control method, controller and air conditioner, method includes：When electricity operation on air conditioner, the drag overall of air conditioner room unit inside and outside is detected by wind pressure detection device；By the drag overall respectively compared with the first preset pressure value and the second preset pressure value；If the drag overall is less than first preset pressure value or more than second preset pressure value, the electric auxiliary hot power supply of the air conditioner is cut off；Wherein, first preset pressure value is less than or equal to second preset pressure value.Controller includes detection unit, comparing unit and unit of cutting off the electricity supply.Air conditioner includes the auxiliary hot and above-mentioned controller of wind pressure detection device, the auxiliary thermal control module of electricity, electricity.The present invention can prevent calm dry combustion method problem of the auxiliary heat of electricity in blower fan damage or dirty stifled filter, extend the electricity auxiliary hot life-span, significantly reduce the auxiliary hot risk on fire of electricity.
Description
Technical field
The present invention relates to home appliance technical field, more particularly to a kind of auxiliary hot control method of air conditioner electricity, controller
And air conditioner.
Background technology
The electric auxiliary heat of air conditioner is generally using two kinds of the auxiliary heat of PTC electricity and electric heating tube.PTC is a kind of semiconductor heating
Ceramics, when ambient temperature reduces, PTC resistance value reduces therewith, and caloric value can accordingly increase on the contrary.According to this principle, use
The air-conditioning of the auxiliary thermal technology of PTC electricity, can change hair automatically according to the change of room temperature and the size of indoor set air quantity
Heat, so as to rightly adjust indoor temperature, reach the purpose of rapid, powerful heating.Electric heating tube is using one kind
It is put into alloy resistance wire in metallic tubular member, and filled with good heat resistance, insulating properties, thermal conductivity around resistance wire
Magnesia powder.Its power invariability with the change of external environment, is not widely used in the heating of air-conditioning auxiliary above.
At present, the auxiliary hot protected mode of air conditioner electricity is by installing temperature controller and fuse additional on the auxiliary heat of electricity, working as electricity
When the temperature of auxiliary hot temperature controller and fuse reaches design temperature, the auxiliary hot power supply of electricity can be just cut off.
However, when blower fan system exception or blower fan damage, the auxiliary hot dry combustion method of electricity, temperature, which is increased to design temperature, can just cut off
The auxiliary hot power supply of electricity；And when filter is dirty stifled or covers, air quantity very little but there is wind to come out, the auxiliary hot temperature controller of most of electricity and
Fuse causes the auxiliary hot dry combustion method of electricity all without action, can shorten the electricity auxiliary hot life-span, even can cause fire when serious.
The content of the invention
For in the prior art the defects of, the present invention provides a kind of air conditioner electricity auxiliary hot control method, controller and sky
Device is adjusted, calm dry combustion method of the electric auxiliary heat in blower fan damage or dirty stifled filter in the prior art is solved the problems, such as, it is auxiliary to extend electricity
In the life-span of heat, significantly reduce the auxiliary hot risk on fire of electricity.
In a first aspect, the invention provides a kind of auxiliary hot control method of air conditioner electricity, this method includes：
When electricity operation on air conditioner, the drag overall of air conditioner room unit inside and outside is detected by wind pressure detection device；
By the drag overall respectively compared with the first preset pressure value and the second preset pressure value；
If the drag overall is less than first preset pressure value or more than second preset pressure value, described in cut-out
The electric auxiliary hot power supply of air conditioner；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
Preferably, then the drag overall of the air conditioner room unit inside and outside includes：The pressure of the blower fan of the air conditioner and
The pressure sum of filter.
Preferably, before the drag overall that air conditioner room unit inside and outside is detected by wind pressure detection device, this method
Also include：
The resistance tested inside the air conditioner unit, the design for obtaining resistance and the unit inside the unit are quiet
Press sum；
According to the design static pressure sum of the resistance inside the unit and the unit, the wind pressure detection device is set
First preset pressure value and the second preset pressure value.
Preferably, methods described also includes：
If the air conditioner is not belonging to 0 static pressure type, the static pressure of air conditioner institute air duct is obtained, judges the wind
Whether the static pressure of pipe and the design static pressure are consistent；
If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and the wind
The static pressure sum of pipe, reset the first preset pressure value and the second preset pressure value of the wind pressure detection device.
Preferably, if the drag overall is less than first preset pressure value or more than second preset pressure
Value, then the electric auxiliary hot power supply of the air conditioner is cut off, including：
If the drag overall is less than first preset pressure value or more than second preset pressure value, judge described in
Whether the electric auxiliary heat of air conditioner currently opens；
Opened if the electric auxiliary heat of the air conditioner is current, cut off the auxiliary hot power supply of the electricity, and send alarm signal；
If the electric auxiliary heat of the air-conditioning is not opened currently, forbid auxiliary hot unlatching next time of the electricity, and send alarm letter
Number.
Second aspect, the invention provides a kind of controller, the controller includes：
Detection unit, for when electricity operation on air conditioner, being detected by wind pressure detection device inside and outside air conditioner room unit
The drag overall in portion；
Comparing unit, for the drag overall to be compared with the first preset pressure value and the second preset pressure value respectively
Compared with；
Cut off the electricity supply unit, for being less than first preset pressure value or default more than described second when the drag overall
During pressure value, the electric auxiliary hot power supply of the air conditioner is cut off；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
Preferably, the controller also includes：Preset pressure value setup unit, is used for：
The resistance tested inside the air conditioner unit, the design for obtaining resistance and the unit inside the unit are quiet
Press sum；
According to the design static pressure sum of the resistance inside the unit and the unit, the wind pressure detection device is set
First preset pressure value and the second preset pressure value.
Preferably, the controller also includes：Preset pressure value corrects unit, is used for：
If the air conditioner is not belonging to 0 static pressure type, the static pressure of air conditioner institute air duct is obtained, judges the wind
Whether the static pressure of pipe and the design static pressure are consistent；
If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and the wind
The static pressure sum of pipe, reset the first preset pressure value and the second preset pressure value of the wind pressure detection device.
The third aspect, the invention provides a kind of air conditioner, including：Wind pressure detection device, the auxiliary thermal control module of electricity, electricity are auxiliary
Hot and above-mentioned controller；
The wind pressure detection device, it is connected with the controller, for detecting the drag overall of air conditioner unit inside and outside；
The controller, thermal control module auxiliary with the electricity and the wind pressure detection device are connected respectively, for by described in
Compared with the first preset pressure value and the second preset pressure value, pressure is preset when the drag overall is less than first respectively for drag overall
Force value or more than the second preset pressure value, sends shutdown signal to the auxiliary thermal control module of electricity；
The auxiliary thermal control module of electricity, the closing letter that for receive the controller sends auxiliary thermally coupled with the electricity
After number, the electric auxiliary hot power supply of the air conditioner is cut off in control；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
Preferably, the wind pressure detection device is blast difference switch；
The blast difference switch is arranged at blower fan and the filter both sides of the air conditioner.
As shown from the above technical solution, the present invention provides a kind of air conditioner electricity auxiliary hot control method, controller and air-conditioning
Device, by wind pressure detection device detect air-conditioning system pressure (including gross pressure of blower fan and filter), and by the pressure with
Default pressure value is compared, and with the auxiliary hot power supply of cut-out electricity in blower fan damage or plugged filter, solves existing skill
Calm dry combustion method problem of the auxiliary heat of electricity in blower fan damage or dirty stifled filter, extends the electricity auxiliary hot life-span, effectively drops in art
Low electric auxiliary hot risk on fire.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these figures.
Fig. 1 is a kind of schematic flow sheet for the auxiliary hot control method of air conditioner electricity that one embodiment of the invention provides；
Fig. 2 is a kind of structural representation for controller that another embodiment of the present invention provides；
Fig. 3 is a kind of structural representation for air conditioner that another embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 shows a kind of schematic flow sheet for the auxiliary hot control method of air conditioner electricity that one embodiment of the invention provides,
As shown in figure 1, this method comprises the following steps：
S1：When electricity operation on air conditioner, the drag overall of air conditioner room unit inside and outside is detected by wind pressure detection device.
Wherein, the drag overall of the air conditioner room unit inside and outside includes：The pressure of the blower fan of the air conditioner and filtering
The pressure sum of device.
S2：By the drag overall respectively compared with the first preset pressure value and the second preset pressure value.
S3：If the drag overall is less than first preset pressure value or more than second preset pressure value, cut off
The electric auxiliary hot power supply of the air conditioner；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
It should be noted that first preset pressure value can be equal to second preset pressure value, then when both are equal
When, drag overall is then compared with the first preset pressure value (or second preset pressure value), if drag overall is not equal to the first preset pressure
It is worth (or second preset pressure value), then cuts off the electric auxiliary hot power supply of air conditioner.
Understandably, if drag overall is more than or equal to first preset pressure value and is less than or equal to second preset pressure
Value, then be not required to cut off the electric auxiliary hot power supply of the air conditioner, and air conditioner is run according to setting.
For example, above-mentioned wind pressure detection device can be blast difference switch, and blast difference switch is arranged at into blower fan and filtering
The both sides of device, electric signal is sent using the pressure difference of two pipelines, when the pressure difference at both ends is raised and lowered and when exceeding setting value,
The auxiliary hot power supply of cut-out electricity can be then controlled in time.
A kind of auxiliary hot control method of air conditioner electricity is present embodiments provided, air-conditioning system is detected by wind pressure detection device
Pressure (including gross pressure of blower fan and filter), and by the pressure compared with default pressure value, to be damaged in blower fan
Cut-out electricity auxiliary hot power supply during bad or plugged filter, it is dirty stifled in blower fan damage or filter to solve electric auxiliary heat in the prior art
When calm dry combustion method problem, extend electricity auxiliary hot life-span, significantly reduce the auxiliary hot risk on fire of electricity.
In the present embodiment, before step S1, this method also includes the following steps not shown in Fig. 1：
Resistance inside A01, the test air conditioner unit, obtain setting for resistance inside the unit and the unit
Count static pressure sum.
Specifically, during Air conditioner design, the design static pressure sum of unit internal drag and unit need to be tested, the step can
It is divided into two kinds of situations：
When air conditioner belongs to 0 static pressure type, the drag overall inside air conditioner unit is obtained；
And when air conditioner is not belonging to 0 static pressure type, the drag overall inside air conditioner unit and the unit design static pressure that obtain
Sum.
For example, for certain air conditioner, in test, the drag overall of unit is 150Pa, and Margin blast pressure (designs quiet
Pressure) be 100Pa, then both sums are 250Pa.
A02, the design static pressure sum according to the resistance inside the unit and the unit, set the blast detection dress
The first preset pressure value and the second preset pressure value put.
Specifically, obtain the design static pressure sum F of the resistance and unit inside unit, then it is default according to F settings first
Pressure value is F (1- Δ F), and sets the second preset pressure value as F (1+ Δ F), wherein, Δ F is surplus, and Δ F≤1.Increase
The purpose of surplus is to prevent from malfunctioning.
For example, if the design static pressure sum of the resistance and unit inside unit is 250Pa, and Δ F is 20%, then the
One preset pressure value is 250 × (1-20%)=200Pa, and the second preset pressure value is 250 × (1+20%)=300Pa.Then
Correspondingly, if the drag overall of air conditioner room unit inside and outside is less than 200Pa or auxiliary hot more than 300Pa, cut-out air conditioner electricity
Power supply.
Further, if the air conditioner is not belonging to 0 static pressure type, methods described also comprises the following steps：
B01：The static pressure of air conditioner institute air duct is obtained, judges whether the static pressure of the airduct designs static pressure with described
Unanimously.
Specifically, when air conditioner is installed, based on the actual airduct connect of air conditioner, actual airduct static pressure is obtained, and
If airduct static pressure and above-mentioned unit design static pressure are inconsistent, need to correct the first preset pressure value and second of wind pressure detection device
Preset pressure value.
For example, based on the actual institute's air duct of air conditioner, being computed actual Margin blast pressure (actual airduct static pressure) is
50Pa, it is different from design static pressure 100Pa, then continue pressure value correction.
B02：If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and institute
The static pressure sum of airduct is stated, resets the first preset pressure value and the second preset pressure value of the wind pressure detection device.
Specifically, if the static pressure of airduct and it is described design static pressure it is inconsistent, according to the resistance inside the unit with
The static pressure sum F ' of the airduct, readjusts the first preset pressure value and the second preset pressure value.Specifically, set according to F '
First preset pressure value is F ' (1- Δs F '), and sets the second preset pressure value as F ' (1+ Δs F '), wherein, Δ F ' is surplus,
And Δ F '≤1.
For example, if the design static pressure sum of the resistance and unit inside unit is 250Pa, and the resistance inside unit
Static pressure sum with actual institute's air duct is 200Pa, and Δ F ' is 20%, then readjust the first preset pressure value for 200 ×
(1-20%)=160Pa, and the second preset pressure value is 250 × (1+20%)=300Pa.Then correspondingly, if in air conditioner chamber
The drag overall of machine inside and outside is less than 200Pa or more than 300Pa, then cuts off the auxiliary hot power supply of air conditioner electricity.
Specifically, step S3 specifically comprises the following steps：
S31：If the drag overall is less than first preset pressure value or more than second preset pressure value, judge
Whether the electric auxiliary heat of the air conditioner currently opens；
S32：Opened if the electric auxiliary heat of the air conditioner is current, cut off the auxiliary hot power supply of the electricity, and send alarm letter
Number；
S33：If the electric auxiliary heat of the air-conditioning is not opened currently, forbid auxiliary hot unlatching next time of the electricity, and send announcement
Alert signal.
Specifically, when drag overall is less than first preset pressure value or more than second preset pressure value, table
Bright blower fan has damaged or filter has blocked, and is opened if then the auxiliary heat of electricity is current, closes the auxiliary hot power supply of the electricity immediately, avoid
The auxiliary calm dry combustion method of heat of electricity, and if the auxiliary heat of electricity is not opened currently, should also forbid during electric auxiliary hot unlatching next time, because blower fan is still in damage
Bad or filter is still in blocked state.
As shown in Fig. 2 a kind of structural representation of the controller provided for another embodiment of the present invention, the controller bag
Include：Detection unit 201, comparing unit 202 and unit 203 of cutting off the electricity supply.Wherein：
Detection unit 201, for when electricity operation on air conditioner, being detected by wind pressure detection device in air conditioner room unit
Outside drag overall；
Comparing unit 202, for the drag overall to be carried out with the first preset pressure value and the second preset pressure value respectively
Compare；
Cut off the electricity supply unit 203, for being less than first preset pressure value or more than described second when the drag overall
During preset pressure value, the electric auxiliary hot power supply of the air conditioner is cut off.
Wherein, first preset pressure value is less than or equal to second preset pressure value.
In the present embodiment, the controller also includes：Preset pressure value setup unit, is used for：
The resistance tested inside the air conditioner unit, the design for obtaining resistance and the unit inside the unit are quiet
Press sum；
According to the design static pressure sum of the resistance inside the unit and the unit, the wind pressure detection device is set
First preset pressure value and the second preset pressure value.
In the present embodiment, the controller also includes：Preset pressure value corrects unit, is used for：
If the air conditioner is not belonging to 0 static pressure type, the static pressure of air conditioner institute air duct is obtained, judges the wind
Whether the static pressure of pipe and the design static pressure are consistent；
If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and the wind
The static pressure sum of pipe, reset the first preset pressure value and the second preset pressure value of the wind pressure detection device.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
As shown in figure 3, a kind of structural representation of the air conditioner provided for another embodiment of the present invention, the air conditioner bag
Include：Controller 2 in wind pressure detection device 1, the auxiliary thermal control module 3 of electricity, electricity auxiliary hot 4 and above-described embodiment.
The wind pressure detection device 1, it is connected with the controller 2, for detecting total resistance of air conditioner room unit inside and outside
Power；
The controller 2, auxiliary with the electricity thermal control module 3 and the wind pressure detection device 1 are connected respectively, for by institute
Drag overall is stated respectively compared with the first preset pressure value and the second preset pressure value, is preset when the drag overall is less than first
Pressure value or more than the second preset pressure value, sends shutdown signal to the auxiliary thermal control module 3 of the electricity；
The auxiliary thermal control module 3 of electricity, is connected with the electricity auxiliary hot 4, the closing sent for receiving the controller 2
After signal, electric auxiliary hot 4 power supply of the air conditioner is cut off in control；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
In the present embodiment, the wind pressure detection device 1 can be blast difference switch；
The blast difference switch is arranged at blower fan and the filter both sides of the air conditioner.
In the present embodiment, the air conditioner also includes：Temperature controller and fuse, it is connected with the controller 2.
The temperature controller and the fuse may be contained within the electricity auxiliary hot 4, for detecting auxiliary hot 4 temperature of the electricity
Degree；
Then correspondingly, the controller 2, is additionally operable to by the temperature compared with preset temperature value, if the temperature
More than preset temperature value, then auxiliary hot 4 power supply of the electricity is cut off.
As can be seen here, the present embodiment is entered based on the temperature controller and fuse that are arranged in the auxiliary heat of electricity to the auxiliary hot temperature of electricity
Row monitoring, and the pressure of blower fan and filter is detected with reference to wind pressure detection device, both play a part of duplicate protection,
Preferably the electric auxiliary heat of air conditioner is protected, actual use is also safer.
The orientation of the instruction such as " on ", " under " or position relationship are base it should be noted that term in the description of the invention
In orientation shown in the drawings or position relationship, description description of the invention and simplified, rather than instruction or hint are for only for ease of
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, example
Such as, can be fixedly connected or be detachably connected, or be integrally connected；Can mechanically connect or be electrically connected
Connect；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification, thus it is all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (10)
1. the auxiliary hot control method of a kind of air conditioner electricity, it is characterised in that this method includes：
When electricity operation on air conditioner, the drag overall of air conditioner room unit inside and outside is detected by wind pressure detection device；The sky
Adjusting the drag overall of air conditioner indoor machine inside and outside includes：The pressure of the blower fan of the air conditioner and the pressure sum of filter；
By the drag overall respectively compared with the first preset pressure value and the second preset pressure value；
If the drag overall is less than first preset pressure value or more than second preset pressure value, the air-conditioning is cut off
The electric auxiliary hot power supply of device；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
2. according to the method for claim 1, it is characterised in that the then drag overall bag of the air conditioner room unit inside and outside
Include：The pressure of the blower fan of the air conditioner and the pressure sum of filter.
3. according to the method for claim 1, it is characterised in that described that air conditioner room unit is detected by wind pressure detection device
Before the drag overall of inside and outside, this method also includes：
The resistance tested inside the air conditioner unit, obtain resistance inside the unit and the unit design static pressure it
With；
According to the design static pressure sum of the resistance inside the unit and the unit, the first of the wind pressure detection device is set
Preset pressure value and the second preset pressure value.
4. according to the method for claim 3, it is characterised in that methods described also includes：
If the air conditioner is not belonging to 0 static pressure type, the static pressure of air conditioner institute air duct is obtained, judges the airduct
Whether static pressure and the design static pressure are consistent；
If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and the airduct
Static pressure sum, reset the first preset pressure value and the second preset pressure value of the wind pressure detection device.
5. according to the method for claim 1, it is characterised in that if the drag overall is less than first preset pressure
Value or more than second preset pressure value, then cut off the electric auxiliary hot power supply of the air conditioner, including：
If the drag overall is less than first preset pressure value or more than second preset pressure value, the air-conditioning is judged
Whether the electric auxiliary heat of device currently opens；
Opened if the electric auxiliary heat of the air conditioner is current, cut off the auxiliary hot power supply of the electricity, and send alarm signal；
If the electric auxiliary heat of the air-conditioning is not opened currently, forbid auxiliary hot unlatching next time of the electricity, and send alarm signal.
6. a kind of controller, it is characterised in that the controller includes：
Detection unit, for when electricity operation on air conditioner, air conditioner room unit inside and outside to be detected by wind pressure detection device
Drag overall；The drag overall of the air conditioner room unit inside and outside includes：The pressure of the blower fan of the air conditioner and the pressure of filter
Power sum；
Comparing unit, for by the drag overall respectively compared with the first preset pressure value and the second preset pressure value；
Cut off the electricity supply unit, for being less than first preset pressure value or more than second preset pressure when the drag overall
During value, the electric auxiliary hot power supply of the air conditioner is cut off；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
7. controller according to claim 6, it is characterised in that the controller also includes：Preset pressure value setup unit,
For：
The resistance tested inside the air conditioner unit, obtain resistance inside the unit and the unit design static pressure it
With；
According to the design static pressure sum of the resistance inside the unit and the unit, the first of the wind pressure detection device is set
Preset pressure value and the second preset pressure value.
8. controller according to claim 7, it is characterised in that the controller also includes：Preset pressure value corrects unit,
For：
If the air conditioner is not belonging to 0 static pressure type, the static pressure of air conditioner institute air duct is obtained, judges the airduct
Whether static pressure and the design static pressure are consistent；
If the static pressure of the airduct and the design static pressure are inconsistent, according to the resistance inside the unit and the airduct
Static pressure sum, reset the first preset pressure value and the second preset pressure value of the wind pressure detection device.
A kind of 9. air conditioner, it is characterised in that including：Wind pressure detection device, the auxiliary thermal control module of electricity, the auxiliary heat of electricity and claim
Controller any one of 6 to 8；
The wind pressure detection device, it is connected with the controller, for detecting the drag overall of air conditioner unit inside and outside；
The controller, thermal control module auxiliary with the electricity and the wind pressure detection device are connected respectively, for always being hindered described
Power is respectively compared with the first preset pressure value and the second preset pressure value, when the drag overall is less than the first preset pressure value
Or more than the second preset pressure value, shutdown signal is sent to the auxiliary thermal control module of electricity；
The auxiliary thermal control module of electricity, it is auxiliary thermally coupled with the electricity, after the shutdown signal sent for receiving the controller,
The electric auxiliary hot power supply of the air conditioner is cut off in control；
Wherein, first preset pressure value is less than or equal to second preset pressure value.
10. air conditioner according to claim 9, it is characterised in that the wind pressure detection device is blast difference switch；
The blast difference switch is arranged at blower fan and the filter both sides of the air conditioner.
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| CN110207269A (en) * | 2019-05-31 | 2019-09-06 | 广东志高暖通设备股份有限公司 | Electricity auxiliary heating air-conditioner host and its control method |
| CN113483459A (en) * | 2021-06-17 | 2021-10-08 | 宁波奥克斯电气股份有限公司 | Control method for filter screen cleaning reminding function and air conditioner |
| CN114593501B (en) * | 2022-04-21 | 2023-10-27 | 四川长虹空调有限公司 | Electric heating control method and device for air conditioner |
| CN117515762A (en) * | 2022-07-28 | 2024-02-06 | 广东美的制冷设备有限公司 | Air conditioner and electric heating protection system and method thereof |
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| JP2011247524A (en) * | 2010-05-28 | 2011-12-08 | Panasonic Corp | Refrigerating device |
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| GB2238885A (en) * | 1989-12-07 | 1991-06-12 | Mitsubishi Electric Corp | Air conditioning |
| CN102878738A (en) * | 2012-10-25 | 2013-01-16 | 四川长虹电器股份有限公司 | Intelligent control method of refrigeration equipment |
| CN103851752A (en) * | 2012-12-04 | 2014-06-11 | 邯郸美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN104165482A (en) * | 2013-05-17 | 2014-11-26 | 广东美的暖通设备有限公司 | Multiple online system and electric auxiliary heating device for multiple online system |
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