CN106288299B - System for preventing water vapor condensation and control method - Google Patents

System for preventing water vapor condensation and control method Download PDF

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Publication number
CN106288299B
CN106288299B CN201610942859.3A CN201610942859A CN106288299B CN 106288299 B CN106288299 B CN 106288299B CN 201610942859 A CN201610942859 A CN 201610942859A CN 106288299 B CN106288299 B CN 106288299B
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China
Prior art keywords
shell
switch
level sensor
heating
water vapor
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CN201610942859.3A
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Chinese (zh)
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CN106288299A (en
Inventor
赵方亮
宋分平
刘军
徐航
彭杰林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN201610942859.3A priority Critical patent/CN106288299B/en
Publication of CN106288299A publication Critical patent/CN106288299A/en
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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
    • 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
    • F24F11/62—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
    • F24F2110/00—Control inputs relating to air properties
    • 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
    • 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
    • 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
    • F24F2140/30—Condensation of water from cooled air

Abstract

The invention relates to a system and a control method for preventing water vapor condensation, which comprises a shell, a heating module and a control module, wherein the upper part of the shell is provided with an air inlet and an air outlet, and the heating module comprises a power line, a switch and a heating element which are sequentially connected in series; the control module comprises a controller and a liquid level sensor which are connected with each other; the liquid level sensor is positioned in the shell and used for detecting the height of the water level in the shell; the controller is connected with the switch and used for controlling the on-off of the switch according to the detection signal of the liquid level sensor. The system for preventing water vapor condensation has the advantages of simple structure and reasonable design, and can effectively avoid the problem of water vapor condensation of the humidification pipeline in winter, thereby ensuring the normal operation of the humidification process and finally improving the comfort of indoor rooms.

Description

System for preventing water vapor condensation and control method
Technical Field
The invention relates to a system for preventing condensation of water vapor for an air conditioning humidification system and a control method, and belongs to the field of air conditioners.
Background
Humidity, cleanliness and temperature are three important indexes for measuring the comfort of a room, and among the three factors, the humidity is often ignored by most parts. The influence of humidity on human health is very big in fact, especially under the working condition of heating in winter, and indoor room leads to its relative humidity to hang down excessively because the temperature rises, and air drying has reduced human comfort level. At present, when a household air conditioning system heats, the humidity of a room cannot be reasonably controlled. When the humidity is too low, the air is dry, and the cough is easy to cough, and the patient stays in a house with too high humidity for a long time, and the rheumatism is easy to cause to the human body, so that the user is easy to feel uncomfortable due to too high or too low humidity of the room in the working process of the air conditioner, and the humidity is required to be adjusted properly.
Present current air conditioner humidification system, when its during operation, because the relative humidity of hot-air is great, therefore very easily cooling condenses, leads to the humidification module to carry out the humidification in-process because the calorific loss in the humidification pipeline makes its temperature drop, and the steam in the hot-air is cooled and condenses, and then has reduced its humidification volume, leads to humidification system not enough to indoor humidification, influences the travelling comfort of room air.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: when the existing air conditioning humidification system works, the relative humidity of hot air in a humidification pipeline is high, so that the hot air is easily cooled and condensed, the humidification quantity of the hot air is reduced, and the humidification system is insufficient in indoor humidification.
(II) technical scheme
In order to solve the technical problem, the invention provides a system for preventing water vapor condensation, which comprises a shell, a heating module and a control module, wherein the upper part of the shell is provided with an air inlet and an air outlet, and the heating module comprises a power line, a switch and a heating element which are sequentially connected in series; the control module comprises a controller and a liquid level sensor which are connected with each other; the liquid level sensor is positioned in the shell and used for detecting the height of the water level in the shell; the controller is connected with the switch and used for controlling the on-off of the switch according to the detection signal of the liquid level sensor.
The inner cavity of the shell is provided with a water collecting groove for accelerating the gathering of condensed water.
Wherein the liquid level sensor is disposed within the housing.
Wherein, the periphery of the shell is provided with heat insulation materials.
The invention also provides a control method of the system for preventing the water vapor from condensing, which is characterized by comprising the following steps:
a. monitoring the height h of the water level of the condensed water;
b. judging the current coagulationHeight h of water level of condensed water1Whether or not it is larger than the set value H1；
c. The switch is closed, and the heating element is electrified for heating;
d. judging the current water level h of the condensed water2Whether or not it is lower than the set value H2；
e. And opening the switch, and powering off the heating element to stop heating.
Wherein, the step b further comprises: f. if the judgment result h1>H1If yes, executing step c; if the judgment result h1≤H1And returning to execute the step a.
Wherein step d further comprises: g. if the judgment result h2<H2If yes, executing step e; if the judgment result h2≥H2Then the step c is executed.
The invention also provides an air conditioner humidifying system, and the humidifying pipeline of the air conditioner humidifying system is provided with the water vapor condensation preventing system.
(III) advantageous effects
The system for preventing water vapor condensation can ensure that condensation cannot be caused by low temperature of outdoor air in a humidification pipeline when a humidification module of an air conditioning humidification system humidifies the indoor in winter, so that normal operation of a humidification process can be ensured, and the comfort of an indoor room is finally improved. This device simple structure, reasonable in design can effectually avoid the problem of humidification pipeline vapor condensation winter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a system for preventing moisture condensation according to the present invention.
FIG. 2 is a schematic diagram of a control process of the system for preventing moisture condensation according to the present invention.
Reference numerals: 1. an air inlet; 2. an air outlet; 3. a power line; 4. a switch; 5. a controller; 6. a thermal insulation material; 7. a liquid level sensor; 8. a heating element; 9. a housing.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides a system for preventing water vapor condensation, comprising a housing 9, a heating module and a control module, wherein the upper part of the housing 9 is provided with an air inlet 1 and an air outlet 2, and the heating module comprises a power line 3, a switch 4 and a heating element 8 which are sequentially connected in series; the control module comprises a controller 5 and a liquid level sensor 7 which are connected with each other; the liquid level sensor 7 is positioned in the shell 9 and used for detecting the height of the water level in the shell; the controller 5 is connected with the switch 4 and is used for controlling the on-off of the switch 4 according to a detection signal of the liquid level sensor 7.
In order to accelerate the gathering of the condensed water, a water collecting groove is arranged in the inner cavity of the shell 9; or the lower surface in the shell is provided with a curved surface which protrudes downwards and can be a cambered surface or a conical surface which protrudes downwards; the lower end of the housing 9 may be an inverted triangle, an inverted cone, or the like, which is composed of a plurality of planes.
For a more accurate measurement of the water level inside the housing 9, the level sensor 7 is arranged inside the housing 9.
And heat insulation materials 6 are arranged around the shell 9 for heat insulation. Preferably, the thermal conductivity of the insulating material 6 should be less than 0.2.
The working process of the water vapor condensation preventing system is as follows:
in the humidification process, due to the fact that the outdoor air is low in temperature, when high-humidity hot air flows through the humidification pipeline, condensation effect to a certain degree can occur, water vapor in the hot air is condensed into water, and then the humidification quantity of the indoor air is reduced. After the humidification is started, the condensed water is condensed in the tube and flows back to the system for preventing the water vapor from condensingThe lower surface of the vapor condensation preventing system is provided with a curved surface protruding downwards, so that condensed water can be accumulated at the bottom of the curved surface, and when the condensed water is accumulated to a set height H1Then, the liquid level sensor 7 sends a signal to the controller 5, the controller 5 controls the switch 4 to be closed, the heating element 8 is powered on to start heating until the condensed water is evaporated to a set height H2At this time, the liquid level sensor 7 sends a control signal to close the switch 4 through the controller 5.
As shown in fig. 2, a control method of a moisture condensation preventing system of the present invention includes the steps of:
a. monitoring the height h of the water level of the condensed water;
b. judging the current water level h of the condensed water1Whether or not it is larger than the set value H1；
c. The switch is closed, and the heating element is electrified for heating;
d. judging the current water level h of the condensed water2Whether or not it is lower than the set value H2；
e. And opening the switch, and powering off the heating element to stop heating.
Wherein, the step b further comprises: f. if the judgment result h1>H1If yes, executing step c; if the judgment result h1≤H1And returning to execute the step a.
Wherein step d further comprises: g. if the judgment result h2<H2If yes, executing step e; if the judgment result h2≥H2Then the step c is executed.
The invention also provides an air conditioner humidifying system, and the humidifying pipeline of the air conditioner humidifying system is provided with the water vapor condensation preventing system. Wherein the number and the position of the moisture condensation preventing systems in the humidifying pipeline are set according to the specific length and the position of the humidifying pipeline.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims (7)

1. A system for preventing water vapor condensation comprises a shell (9), a heating module and a control module, wherein an air inlet (1) and an air outlet (2) are formed in the upper portion of the shell (9), and is characterized in that the system for preventing water vapor condensation is suitable for being arranged on a humidifying pipeline of an air conditioning humidifying system, the heating module comprises a power line (3), a switch (4) and a heating element (8) which are sequentially connected in series, and the heating element is arranged in the shell; the control module comprises a controller (5) and a liquid level sensor (7) which are connected with each other; the liquid level sensor (7) is positioned in the shell and used for detecting the water level height in the shell (9); the controller (5) is connected with the switch (4) and is used for controlling the on-off of the switch (4) according to a detection signal of the liquid level sensor (7);
the inner cavity of the shell (9) is provided with a water collecting groove for accelerating the gathering of condensed water.
2. Moisture condensation prevention system according to claim 1, characterized in that the level sensor (7) is arranged in the housing (9).
3. The moisture condensation prevention system as claimed in claim 1, wherein said housing (9) is provided with insulation (6) around its circumference.
4. A method of controlling a moisture condensation preventing system according to any of claims 1-3, comprising the steps of:
a. monitoring the height h of the water level of the condensed water;
b. judging the current water level h of the condensed water1Whether or not it is larger than the set value H1；
c. The switch is closed, and the heating element is electrified for heating;
d. judging the current water level h of the condensed water2Whether or not it is lower than the set value H2；
e. And opening the switch, and powering off the heating element to stop heating.
5. The control method according to claim 4, wherein the step b further includes: f. if the judgment result h1>H1If yes, executing step c; if the judgment result h1≤H1And returning to execute the step a.
6. The control method according to claim 4, wherein the step d further comprises: g. if the judgment result h2<H2If yes, executing step e; if the judgment result h2≥H2Then the step c is executed.
7. An air conditioning humidification system, wherein the humidification pipeline of the air conditioning humidification system is provided with the moisture condensation prevention system according to any one of claims 1 to 3.
CN201610942859.3A 2016-10-31 2016-10-31 System for preventing water vapor condensation and control method Active CN106288299B (en)

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Application Number Priority Date Filing Date Title
CN201610942859.3A CN106288299B (en) 2016-10-31 2016-10-31 System for preventing water vapor condensation and control method

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Application Number Priority Date Filing Date Title
CN201610942859.3A CN106288299B (en) 2016-10-31 2016-10-31 System for preventing water vapor condensation and control method

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CN106288299B true CN106288299B (en) 2022-04-12

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6918389B2 (en) * 2000-03-21 2005-07-19 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
JP2010091120A (en) * 2008-10-03 2010-04-22 Panasonic Corp Air conditioner
CN203893355U (en) * 2014-05-08 2014-10-22 木林森股份有限公司 Industrial humidification system
CN105180409A (en) * 2015-10-29 2015-12-23 广州市雷子克电气机械有限公司 Air conditioner condensate evaporator
CN205481526U (en) * 2016-02-03 2016-08-17 上海智城分析仪器制造有限公司 Constant temperature and humidity laboratory paraphernalia humidification device
CN206269341U (en) * 2016-10-31 2017-06-20 广东美的制冷设备有限公司 One kind prevents condensation vapor system

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