CN108361933B - Sectional type electric heating device for air conditioner and heating method thereof - Google Patents
Sectional type electric heating device for air conditioner and heating method thereof Download PDFInfo
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- CN108361933B CN108361933B CN201810166480.7A CN201810166480A CN108361933B CN 108361933 B CN108361933 B CN 108361933B CN 201810166480 A CN201810166480 A CN 201810166480A CN 108361933 B CN108361933 B CN 108361933B
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- air conditioner
- temperature
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- coil pipe
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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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention discloses a sectional type electric heating device for an air conditioner, which comprises an air conditioner controller, a room temperature sensor, a coil pipe sensor and a sectional type electric heater, wherein the room temperature sensor and the coil pipe sensor are respectively connected with the air conditioner controller; the heating part is connected with the switch module and then connected with the temperature control switch in series to the power output end, wherein the switch module comprises a first switch and a second switch, the heating part comprises a main heater and an auxiliary heater, the first switch is connected with the main heater in series to form a first branch, the second switch is connected with the auxiliary heater in series to form a second branch, and the first branch is connected with the second branch in parallel. The power of the two sections of electric heaters is changed from the equal power to the unequal power, so that more electric heaters are put into the electric heaters to improve the heating effect under the condition that the air outlet temperature is not too high to cause deformation of plastic parts such as the air guide swing blades and the like.
Description
Technical Field
The invention relates to the technical field of air conditioner electric heating, in particular to a sectional type electric heating device for an air conditioner and a heating method thereof.
Background
The prior patent document CN201610068877.3 discloses a sectional electric heating method, which compares the detected temperature with a set temperature value of sectional heating by detecting the indoor ambient temperature in real time, and intelligently controls the opening and closing of an electric heating tube (coil) according to the comparison result. The sectional control method is applied to electric auxiliary heating of the air conditioner, can improve the comfort level of a user, and simultaneously prolongs the service life of the electric heating pipe. However, the invention does not consider the matching relationship between the auxiliary electric heating and the heating capacity of the air conditioner, which may cause the heater to be turned off early.
Disclosure of Invention
In view of the above disadvantages, the present invention provides a sectional electric heating device for an air conditioner and a heating method thereof, wherein the heating effect of the sectional electric heating device is better matched with that of the air conditioner itself, and the heating effect is better.
In order to solve the problems, the invention adopts the following technical scheme: a sectional type electric heating device for an air conditioner comprises an air conditioner controller, a room temperature sensor, a coil pipe sensor and a sectional type electric heater; the room temperature sensor and the coil pipe sensor are respectively connected with an air conditioner controller, the air conditioner controller comprises a switch module and a power supply output end, and the sectional heater comprises a heating part and a temperature control switch; the heating part is connected with the switch module and then connected with the temperature control switch in series to the power output end, wherein the switch module comprises a first switch and a second switch, the heating part comprises a main heater and an auxiliary heater, the first switch is connected with the main heater in series to form a first branch, the second switch is connected with the auxiliary heater in series to form a second branch, and the first branch is connected with the second branch in parallel.
As a further improvement of the technical scheme, a first fuse is connected between the main heater and the first switch in series, and a second fuse is connected between the auxiliary heater and the second switch in series.
As a further improvement of the present invention, the power of the main heater is equal to or higher than the power of the sub heater.
A heating method of a sectional type electric heating device for an air conditioner, comprising the steps of: the air conditioner controller controls the on-off of the first switch and the second switch according to the room temperature and the coil temperature so as to control the following working states of the main heater and the auxiliary heater:
firstly, a main heater and an auxiliary heater are simultaneously started;
secondly, the main heater is started, and the auxiliary heater is alternately started/closed;
the main heater and the auxiliary heater are simultaneously closed;
when the main heater and the auxiliary heater are in the above different states, the following conditions are respectively determined:
s1, the main heater and the sub-heater are turned on simultaneously, while satisfying the following conditions:
1) the room temperature is less than or equal to the target temperature of-2 ℃ for continuous 1 minute;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is less than or equal to A ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is less than or equal to B ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil is less than or equal to C ℃;
wherein A is more than or equal to B and less than or equal to C;
s2, the main heater is turned on, the auxiliary heater is turned on/off alternately, and the following conditions are met:
turning off the auxiliary heater:
when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than D ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than E ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than F ℃;
wherein D is not less than E and not more than F;
the secondary heater is turned on again:
when the air speed of the air conditioner is in a low gear: the temperature of the coil pipe is less than or equal to D1 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is less than or equal to E1 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is less than or equal to F1 ℃;
wherein D1 is not less than E1 is not less than F1;
s3, the main heater and the auxiliary heater are turned off simultaneously, and any one of the following conditions is met:
1) the room temperature is more than or equal to the target temperature of-2 ℃ continuously for 15 s;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than G ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than H ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than I ℃;
wherein G is not less than H and not more than I;
A. b, C, D, E, F, D1, E1, F1 and G, H, I are preset temperature critical values determined by performance parameters of the air conditioner, and the specific values are obtained according to experimental tests of the air conditioner of each model.
Has the advantages that: the power of the two sections of electric heating devices is changed from equal power to unequal power, and more electric heating devices are put into use under the condition that the air outlet temperature is not too high so that plastic parts such as air guide swing blades and the like are deformed, so that the heating effect is improved. The opening and closing conditions of the electric heating device are related to the air speed (low-grade wind, medium-grade wind or high-grade wind and the like) of the air conditioner, the higher the air speed is, the better the heat dissipation effect of the electric heating device is, and the wind guide swing blades or other plastic parts around the electric heating device are more difficult to deform, so that the electric heating device is allowed to run at the higher temperature of the heat exchanger of the indoor unit, the heating effect is improved, meanwhile, the air conditioner hardware is well protected, and the service life of the air conditioner is prolonged.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1, a sectional type electric heating device for an air conditioner comprises an air conditioner controller, a room temperature sensor, a coil sensor and a sectional type electric heater; the room temperature sensor and the coil pipe sensor are respectively connected with an air conditioner controller, the air conditioner controller comprises a switch module and a power supply output end, and the sectional heater comprises a heating part and a temperature control switch; the heating part is connected with the switch module and then connected with the temperature control switch in series to the power output end, wherein the switch module comprises a first switch and a second switch, the heating part comprises a main heater and an auxiliary heater, the first switch is connected with the main heater in series to form a first branch, the second switch is connected with the auxiliary heater in series to form a second branch, and the first branch is connected with the second branch in parallel.
A first fuse is connected in series between the main heater and the first switch, and a second fuse is connected in series between the auxiliary heater and the second switch.
The power of the main heater is larger than or equal to that of the auxiliary heater.
Example (b):
A3P split floor type air conditioner adopts a 2100W electric heater, the power of a main heater 6 is 1500W, and the power of a secondary heater 9 is 600W. And after the power supply of the air conditioner is turned on and the electric heating mode is selected to be turned on, the air conditioner controller detects the room temperature through the room temperature sensor and detects the temperature of the coil pipe of the room through the coil pipe sensor.
When the following two conditions are simultaneously met, the air conditioner controller controls the first switch and the second switch to be simultaneously closed, and the main heater and the auxiliary heater are simultaneously started:
1) the room temperature is less than or equal to the target temperature of-2 ℃ for continuous 1 minute;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is less than or equal to 56 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil is less than or equal to 57 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil is less than or equal to 57 ℃;
when the temperature of the coil pipe gradually rises to reach the closing condition of the secondary heater and does not reach the closing condition of the main heater along with the heating operation of the air conditioner, the air conditioner controller controls the secondary heater to be closed according to the following conditions:
when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than 48 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than 51 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than 51 ℃;
after the secondary heater is closed, along with the environmental influence, the heating operation effect of the air conditioner is reduced, the temperature of the coil pipe is correspondingly reduced, and the air conditioner controller controls the secondary heater to be turned on again according to the following conditions:
when the air speed of the air conditioner is in a low gear: the temperature of the coil pipe is less than or equal to 43 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is less than or equal to 48 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is less than or equal to 48 ℃;
the heating process of the air conditioner heating is an alternative on/off state of the auxiliary heater;
along with the heating operation of the air conditioner, the temperature of the coil pipe further rises, the heating condition required by a user can be met by singly using the main heater, the auxiliary heater is in a closed state at the moment, the heating capacity of the air conditioner reaches the heating effect required by the user or is within the error value of the target temperature, and when one of the following conditions is met, the main heater is also closed, namely the main heater and the auxiliary heater are closed simultaneously:
1) the room temperature is more than or equal to the target temperature of-2 ℃ continuously for 15 s;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than 59 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than 60 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than 60 ℃;
the foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. It will be appreciated by those skilled in the art that modifications and variations can be made to the above-described embodiments without departing from the spirit and scope of the present invention, and it is intended to cover any modifications, equivalents, improvements, etc. made to the main heater, sub-heater power variations, temperature point variations, time point variations, etc. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. A heating method of a sectional type electric heating device for an air conditioner is characterized in that: the system comprises an air conditioner controller, a room temperature sensor, a coil pipe sensor and a sectional type electric heater; the room temperature sensor and the coil pipe sensor are respectively connected with an air conditioner controller, the air conditioner controller comprises a switch module and a power supply output end, and the sectional heater comprises a heating part and a temperature control switch; the heating part is connected with the switch module and then connected with the temperature control switch in series to the power output end, wherein the switch module comprises a first switch and a second switch, the heating part comprises a main heater and an auxiliary heater, the first switch is connected with the main heater in series to form a first branch, the second switch is connected with the auxiliary heater in series to form a second branch, and the first branch is connected with the second branch in parallel;
the method comprises the following steps: the air conditioner controller controls the on-off of the first switch and the second switch according to the room temperature and the coil temperature so as to control the following working states of the main heater and the auxiliary heater:
firstly, a main heater and an auxiliary heater are simultaneously started;
secondly, the main heater is started, and the auxiliary heater is alternately started/closed;
the main heater and the auxiliary heater are simultaneously closed;
when the main heater and the auxiliary heater are in the above different states, the following conditions are respectively determined:
s1, the main heater and the sub-heater are turned on simultaneously, while satisfying the following conditions:
1) the room temperature is less than or equal to the target temperature of-2 ℃ for continuous 1 minute;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is less than or equal to A ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is less than or equal to B ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil is less than or equal to C ℃;
wherein A is more than or equal to B and less than or equal to C;
s2, the main heater is turned on, the auxiliary heater is turned on/off alternately, and the following conditions are met:
turning off the auxiliary heater:
when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than D ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than E ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than F ℃;
wherein D is not less than E and not more than F;
the secondary heater is turned on again:
when the air speed of the air conditioner is in a low gear: the temperature of the coil pipe is less than or equal to D1 ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is less than or equal to E1 ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is less than or equal to F1 ℃;
wherein D1 is not less than E1 is not less than F1;
s3, the main heater and the auxiliary heater are turned off simultaneously, and any one of the following conditions is met:
1) the room temperature is more than or equal to the target temperature of-2 ℃ continuously for 15 s;
2) when the air speed of the air conditioner is low grade wind: the temperature of the coil pipe is more than G ℃;
or when the air speed of the air conditioner is in a middle-grade wind: the temperature of the coil pipe is more than H ℃;
or when the air speed of the air conditioner is high-grade wind and strong force: the temperature of the coil pipe is more than I ℃;
wherein G is not less than H and not more than I;
A. b, C, D, E, F, D1, E1, F1 and G, H, I are preset temperature critical values determined by performance parameters of the air conditioner, and the specific values are obtained according to experimental tests of the air conditioner of each model.
2. The heating method of a sectional electric heating apparatus for an air conditioner according to claim 1, wherein: a first fuse is connected in series between the main heater and the first switch, and a second fuse is connected in series between the auxiliary heater and the second switch.
3. The heating method of a sectional electric heating apparatus for an air conditioner according to claim 1, wherein: the power of the main heater is larger than or equal to that of the auxiliary heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166480.7A CN108361933B (en) | 2018-02-28 | 2018-02-28 | Sectional type electric heating device for air conditioner and heating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166480.7A CN108361933B (en) | 2018-02-28 | 2018-02-28 | Sectional type electric heating device for air conditioner and heating method thereof |
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| CN108361933A CN108361933A (en) | 2018-08-03 |
| CN108361933B true CN108361933B (en) | 2020-11-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055655B (en) * | 2019-12-19 | 2021-11-05 | 北汽福田汽车股份有限公司 | Vehicle air conditioning box body, vehicle air conditioning system, vehicle temperature control method and vehicle |
| CN111219858B (en) * | 2020-01-07 | 2021-05-14 | 珠海格力电器股份有限公司 | Multistage electric auxiliary heating water multi-connected air conditioner cold air prevention control method and system and air conditioner |
| CN111405698B (en) * | 2020-03-20 | 2022-02-11 | 云南中烟工业有限责任公司 | Electromagnetic heating circuit based on double closed-loop ratio control and control method and application thereof |
| CN111486543B (en) * | 2020-04-21 | 2022-04-29 | 海信（山东）空调有限公司 | Air conditioner and control method thereof |
| CN112303818B (en) * | 2020-10-23 | 2021-10-29 | 珠海格力电器股份有限公司 | Defrosting control device and method of air conditioning system and air conditioning system |
| CN113465148A (en) * | 2021-04-29 | 2021-10-01 | 青岛海尔空调器有限总公司 | Air conditioner electric auxiliary heat control method and device, electronic equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024731A (en) * | 2001-07-11 | 2003-01-28 | Hitachi Plant Eng & Constr Co Ltd | Organic compound desorbing method |
| CN201425359Y (en) * | 2009-02-26 | 2010-03-17 | 河南新飞家电有限公司 | Auxiliary electric heating device |
| CN105698336A (en) * | 2016-02-01 | 2016-06-22 | 四川长虹电器股份有限公司 | Sectional heating control system and method for sectional electric heating tube |
-
2018
- 2018-02-28 CN CN201810166480.7A patent/CN108361933B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024731A (en) * | 2001-07-11 | 2003-01-28 | Hitachi Plant Eng & Constr Co Ltd | Organic compound desorbing method |
| CN201425359Y (en) * | 2009-02-26 | 2010-03-17 | 河南新飞家电有限公司 | Auxiliary electric heating device |
| CN105698336A (en) * | 2016-02-01 | 2016-06-22 | 四川长虹电器股份有限公司 | Sectional heating control system and method for sectional electric heating tube |
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| CN108361933A (en) | 2018-08-03 |
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