CN111140926A - Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner - Google Patents
Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner Download PDFInfo
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- CN111140926A CN111140926A CN201911344295.3A CN201911344295A CN111140926A CN 111140926 A CN111140926 A CN 111140926A CN 201911344295 A CN201911344295 A CN 201911344295A CN 111140926 A CN111140926 A CN 111140926A
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- fan blade
- flow fan
- cross
- air conditioner
- heating
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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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
-
- 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
- F24F2110/20—Humidity
Abstract
The invention relates to the technical field of air conditioners, in particular to a cross-flow fan blade structure for preventing condensation and dripping, a control method and an air conditioner. The heating mechanism is arranged on the periphery of the cross-flow fan blade of the air conditioner, so that the heating mechanism can be started to heat when the air conditioner achieves the condensation preventing condition, the temperature around the cross-flow fan blade is raised, water drops cannot be generated by the cross-flow fan blade due to air leakage or uneven flow distribution and other factors, and the condition of water leakage of the air conditioner is avoided. Meanwhile, the compressor of the air conditioner does not need to operate in a frequency reduction mode, the performance of the air conditioner is not affected, and the use experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a cross-flow fan blade structure for preventing condensation and water dripping, a control method and an air conditioner.
Background
Air conditioners (Air conditioners) are Air conditioners. The device is used for manually regulating and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure. Generally comprises a cold source/heat source device, a cold and hot medium delivery and distribution system, a terminal device and other auxiliary devices. The system mainly comprises a refrigeration host, a water pump, a fan and a pipeline system. The end device is responsible for specifically processing the air state by utilizing the cold and heat quantity from the transmission and distribution so as to enable the air parameters of the target environment to meet the requirements. Nowadays, the air conditioner has become the essential life electrical apparatus of modern life, and a safe comfortable air conditioner can bring splendid experience for the user. The air conditioner is under the refrigeration mode, and indoor heat exchanger temperature is less than the dew point temperature of air far away, very easily produces the condensation, and the very easy condensation water and the drippage on air conditioner structure surface exist in the air conditioner design under the uneven condition of leaking out or reposition of redundant personnel, can generate a large amount of water droplets on the fan blade to blow off the air conditioner along with the rotation of fan blade, and the compressor of air conditioner can the operation of falling the frequency under the condensation operating mode, and the performance of air conditioner also can receive the influence.
Disclosure of Invention
In order to solve the problems, the invention provides a through-flow fan blade structure for preventing condensation and dripping, a control method for applying the through-flow fan blade structure for preventing condensation and dripping, and an air conditioner applying the control method.
The invention is realized by adopting the following scheme:
a cross-flow fan blade structure for preventing condensation and dripping comprises a cross-flow fan blade and a heating mechanism arranged on the periphery of the cross-flow fan blade, wherein the heating mechanism comprises a plurality of heating elements arranged on the periphery of the cross-flow fan blade and a connecting rod used for connecting the plurality of heating elements, a controller used for controlling the heating elements is further arranged at the end part of the connecting rod, and the controller is electrically connected with the heating elements; the cross-flow maple leaf is provided with a plurality of leaf sections, and the position of the heating member corresponds to the leaf sections.
Furthermore, the heating element is adhered to the blade section of the cross-flow fan blade.
Further, the number of the heating elements is less than or equal to the number of the leaf sections, and each leaf section corresponds to at most one heating element.
Furthermore, the connecting rod is arranged along the axial direction of the cross-flow fan blade, and the end part of the connecting rod, which is provided with the controller, exceeds the end surface corresponding to the cross-flow fan blade.
Further, the heating member is a heating wire or a heating belt.
Furthermore, the heating element is in an annular shape matched with the cross-flow fan blade.
A control method is characterized in that the cross-flow fan blade structure capable of preventing condensation and dripping is applied, a heating mechanism is arranged on the periphery of a cross-flow fan blade, a main board of an air conditioner periodically detects the temperature and the humidity of an internal environment through an internal environment temperature sensing bulb and a humidity sensor which are arranged in an air conditioner internal unit, periodically detects the external environment temperature through an external environment temperature sensing bulb which is arranged in an air conditioner external unit, and when the internal temperature, the internal humidity and the external environment temperature of the air conditioner reach condensation preventing conditions and last for a certain time, a controller controls a heating element to heat and close after heating for a certain time.
Further, the method comprises the following steps:
step 1, refrigerating operation of an air conditioner;
step 3, feeding back detection data to the air conditioner mainboard by the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb;
step 4, collecting detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb by the air conditioner mainboard, judging whether an anti-condensation condition is achieved, if so, turning to the step 4, and if not, continuing to collect the detection data and judging;
step 5, if the anti-condensation condition is achieved, the air-conditioning main board continuously collects detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb, and when the anti-condensation condition is achieved and lasts for a certain time, the air-conditioning main board sends a signal to the controller;
and 6, the controller controls the heating mechanism to be automatically closed after heating for a certain time, the period is recorded again, and the step 4 is returned.
Further, the anti-condensation conditions include that the internal environment temperature is higher than 27 ℃, the internal environment humidity is higher than 68%, and the external environment temperature is higher than 30 ℃ and lower than 34 ℃.
An air conditioner applies the control method.
Compared with the prior art, the invention has the following beneficial effects:
the heating mechanism is arranged on the periphery of the cross-flow fan blade of the air conditioner, so that the heating mechanism can be started to heat when the air conditioner achieves the condensation preventing condition, the temperature around the cross-flow fan blade is raised, water drops cannot be generated by the cross-flow fan blade due to air leakage or uneven flow distribution and other factors, and the condition of water leakage of the air conditioner is avoided. Meanwhile, the compressor of the air conditioner does not need to operate in a frequency reduction mode, the performance of the air conditioner is not affected, and the use experience of a user is improved.
Drawings
Fig. 1 is a schematic view of a cross-flow fan blade structure for preventing condensation and dripping provided by the invention.
Fig. 2 is an exploded view of the present invention.
The figure includes:
the cross-flow fan comprises a cross-flow fan blade 1, a blade section 11, a heating mechanism 2, a heating piece 21, a connecting rod 22 and a controller 23.
Detailed Description
To facilitate an understanding of the present invention for those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Example 1
Referring to fig. 1 to 2, the cross-flow fan blade 1 structure for preventing condensation and dripping provided by the invention comprises a cross-flow fan blade 1, and further comprises a heating mechanism 2 arranged on the periphery of the cross-flow fan blade 1, wherein the heating mechanism 2 comprises a plurality of heating members 21 arranged on the periphery of the cross-flow fan blade 1, a connecting rod 22 used for connecting the plurality of heating members 21, a controller 23 used for controlling the heating members 21 is further arranged at the end part of the connecting rod 22, and the controller 23 is electrically connected with the heating members 21; the cross-flow maple leaf has a plurality of leaf sections 11, and the position of the heating member 21 corresponds to the leaf sections 11. The controller 23 is in communication connection with the air conditioner main board.
The heating element and the fan blade joint are only overlapped in position and are not of an integral structure, the heating element and the fan blade joint cannot move along with the fan blade joint when rotating, the controller is also an electric heating control module, and the controller is connected to the air conditioner main board. In particular, the heating element and the connecting rod can be fixedly connected with the shell of the air conditioner.
The number of the heating members 21 is less than or equal to the number of the blade sections 11, and each blade section 11 corresponds to at most one heating member 21. In this embodiment, 5 heating members are provided. The connecting rod 22 is arranged along the axial direction of the cross-flow fan blade 1, and the end part of the connecting rod 22, which is provided with the controller 23, exceeds the corresponding end surface of the cross-flow fan blade 1. The heating member 21 is a heating wire or a heating belt, and a heating wire may be used in this embodiment. The heating element 21 is in a ring shape matched with the cross-flow fan blade 1.
A control method is characterized in that the cross-flow fan blade structure capable of preventing condensation and dripping is applied, a heating mechanism is arranged on the periphery of a cross-flow fan blade, a main board of an air conditioner periodically detects the temperature and the humidity of an internal environment through an internal environment temperature sensing bulb and a humidity sensor which are arranged in an air conditioner internal unit, periodically detects the external environment temperature through an external environment temperature sensing bulb which is arranged in an air conditioner external unit, and when the internal temperature, the internal humidity and the external environment temperature of the air conditioner reach condensation preventing conditions and last for a certain time, a controller controls a heating element to heat and close after heating for a certain time.
The control method comprises the following steps:
step 1, refrigerating operation of an air conditioner;
step 3, feeding back detection data to the air conditioner mainboard by the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb;
step 4, collecting detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb by the air conditioner mainboard, judging whether an anti-condensation condition is achieved, if so, turning to the step 4, and if not, continuing to collect the detection data and judging;
step 5, if the anti-condensation condition is achieved, the air-conditioning main board continuously collects detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb, and when the anti-condensation condition is achieved and lasts for a certain time, the air-conditioning main board sends a signal to the controller;
and 6, the controller controls the heating mechanism to be automatically closed after heating for a certain time, the period is recorded again, and the step 4 is returned.
And (3) periodically detecting in the step 2, wherein the detection period can be set according to specific situations, such as 5s, 10s, 30s and the like. In step 5, when the anti-condensation condition is reached and the anti-condensation condition lasts for a certain time, the time needs to be set according to the specific use place and environment of the air conditioner (for example, lasting for 3 minutes, 5 minutes and the like). The anti-condensation condition is that the internal environment temperature is greater than 27 ℃, the internal environment humidity is greater than 68%, the external environment temperature is greater than 30 ℃ and is less than 34 ℃, in the embodiment, the temperature can be set to be 32 ℃ (namely when the external temperature sensing bulb detects that the external environment temperature is higher, the air conditioner can automatically adjust the running state, the refrigerating effect is stronger at the moment, the condensation phenomenon can be generated, the system enters into the anti-condensation control for avoiding the condensation phenomenon), and the above conditions can also be adjusted in a targeted manner according to the environment during specific use. In addition, the recording time is also cleared when the compressor of the air conditioner is stopped or in the rotating mode. The heating time of the heating mechanism can be set according to specific environmental requirements. Each time, the anti-condensation heating is one period, and after one period is finished, the next period is started, and the anti-condensation condition is judged again.
The heating time in the step 6 can be preset to be Y seconds, the Y seconds are calculated according to the internal environment temperature and humidity, a maximum heating time z seconds is preset, and once the z seconds are reached, the heating is immediately closed.
The invention also provides an air conditioner and the control method applying the air conditioner.
Example 2
The heating element 21 is adhered to the blade section 11 of the cross-flow fan blade 1, the electric heating control module is an independent controller, namely a heating support, and is connected to the air conditioner main board, and when the cross-flow fan blade rotates, the heating element and the connecting rod rotate along with the cross-flow fan blade and are relatively static. The power supply of the heating element can be realized by a battery arranged on the connecting rod in advance, and other power supply modes which cannot cause interference during rotation can also be adopted during specific implementation. The rest of the process is the same as example 1, and will not be described redundantly.
The heating mechanism is arranged on the periphery of the cross-flow fan blade of the air conditioner, so that the heating mechanism can be started to heat when the air conditioner achieves the condensation preventing condition, the temperature around the cross-flow fan blade is raised, water drops cannot be generated by the cross-flow fan blade due to air leakage or uneven flow distribution and other factors, and the condition of water leakage of the air conditioner is avoided. Meanwhile, the compressor of the air conditioner does not need to operate in a frequency reduction mode, the performance of the air conditioner is not affected, and the use experience of a user is improved.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.
Claims (10)
1. The cross-flow fan blade structure is characterized by further comprising a heating mechanism arranged on the periphery of the cross-flow fan blade, wherein the heating mechanism comprises a plurality of heating elements arranged on the periphery of the cross-flow fan blade and a connecting rod used for connecting the plurality of heating elements, a controller used for controlling the heating elements is further arranged at the end part of the connecting rod, and the controller is electrically connected with the heating elements; the cross-flow fan blade is provided with a plurality of blade sections, and the positions of the heating parts correspond to the blade sections.
2. A cross-flow fan blade structure for preventing condensation and dripping according to claim 1, wherein the heating element is adhered to the blade segment of the cross-flow fan blade.
3. A cross-flow fan blade structure for preventing condensation and dripping according to claim 1, wherein the number of the heating elements is less than or equal to the number of the blade sections, and each blade section corresponds to at most one heating element.
4. A cross-flow fan blade structure for preventing condensation and dripping according to claim 1, wherein the connecting rod is arranged along the axial direction of the cross-flow fan blade, and the end of the connecting rod provided with the controller exceeds the corresponding end surface of the cross-flow fan blade.
5. A cross-flow fan blade structure for preventing condensation and dripping water according to claim 1, wherein the heating element is a heating wire or a heating belt.
6. A cross-flow fan blade structure for preventing condensation and dripping according to claim 1, wherein the heating element is in the shape of a ring matched with the cross-flow fan blade.
7. A control method is characterized in that a cross-flow fan blade structure for preventing condensation water dripping is applied, a heating mechanism is arranged on the periphery of a cross-flow fan blade, a main board of an air conditioner periodically detects the temperature and the humidity of the internal environment through an internal environment temperature sensing bulb and a humidity sensor which are arranged in an air conditioner internal unit, periodically detects the external environment temperature through an external environment temperature sensing bulb which is arranged in an air conditioner external unit, and when the internal temperature, the internal humidity and the external environment temperature of the air conditioner reach condensation prevention conditions and last for a certain time, a controller controls a heating element to heat and close after heating for a certain time.
8. The control method according to claim 7, characterized by comprising the steps of:
step 1, refrigerating operation of an air conditioner;
step 2, periodically detecting the temperature and the humidity of the internal environment by an internal environment temperature sensing bulb and a humidity sensor of an air conditioner internal unit, and periodically detecting the external environment temperature by an external environment temperature sensing bulb of an air conditioner external unit;
step 3, feeding back detection data to the air conditioner mainboard by the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb;
step 4, collecting detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb by the air conditioner mainboard, judging whether an anti-condensation condition is achieved, if so, turning to the step 4, and if not, continuing to collect the detection data and judging;
step 5, if the anti-condensation condition is achieved, the air-conditioning main board continuously collects detection data of the inner environment temperature sensing bulb, the humidity sensor and the outer environment temperature sensing bulb, and when the anti-condensation condition is achieved and lasts for a certain time, the air-conditioning main board sends a signal to the controller;
and 6, the controller controls the heating mechanism to be automatically closed after heating for a certain time, the period is recorded again, and the step 4 is returned.
9. The control method according to claim 7, wherein the anti-condensation conditions are an internal ambient temperature greater than 27 ℃, an internal ambient humidity greater than 68%, and an external ambient temperature greater than 30 ℃ and less than 34 ℃.
10. An air conditioner characterized by applying the control method of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344295.3A CN111140926B (en) | 2019-12-23 | 2019-12-23 | Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344295.3A CN111140926B (en) | 2019-12-23 | 2019-12-23 | Anti-condensation and anti-dripping cross-flow fan blade structure, control method and air conditioner |
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| CN111140926A true CN111140926A (en) | 2020-05-12 |
| CN111140926B CN111140926B (en) | 2021-09-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114060310A (en) * | 2021-11-12 | 2022-02-18 | 珠海格力电器股份有限公司 | Centrifugal fan blade, integrated air conditioner comprising same and control method |
| CN114811825A (en) * | 2022-03-23 | 2022-07-29 | 青岛海尔空调器有限总公司 | Control method and device for preventing condensation of air conditioner, storage medium and air conditioner |
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| CN114060310A (en) * | 2021-11-12 | 2022-02-18 | 珠海格力电器股份有限公司 | Centrifugal fan blade, integrated air conditioner comprising same and control method |
| CN114811825A (en) * | 2022-03-23 | 2022-07-29 | 青岛海尔空调器有限总公司 | Control method and device for preventing condensation of air conditioner, storage medium and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN111140926B (en) | 2021-09-24 |
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