Disclosure of Invention
The embodiment of the invention provides an anti-condensation control method and device and air conditioning equipment, and aims to solve the problem that condensation is easily generated when the air conditioning equipment runs in a refrigeration mode in a special environment in the prior art.
In order to solve the technical problem, the invention provides an anti-condensation control method, wherein the method comprises the following steps: collecting indoor temperature and humidity data, and determining indoor dew point temperature according to the indoor temperature and humidity data; comparing the temperature of the air supply dry bulb with the indoor dew point temperature; if the air supply dry bulb temperature is larger than the indoor dew point temperature, maintaining the current operation mode; and if the air supply dry bulb temperature is less than or equal to the indoor dew point temperature, executing an anti-condensation mode, and controlling the total air supply quantity of the equipment according to the reheating quantity of the reheating section of the reheating equipment.
Further, gather indoor humiture data, include: a plurality of indoor temperature and humidity data are collected through temperature and humidity sensors arranged at a plurality of indoor air supply openings.
Further, according to the indoor humiture data, indoor dew point temperature is determined, and the method comprises the following steps: determining a plurality of corresponding indoor dew point temperatures according to the collected indoor temperature and humidity data; and taking the maximum data in the plurality of indoor dew point temperatures as the final indoor dew point temperature.
Further, performing an anti-condensation mode comprising: starting electric heating to ensure that the temperature of the air supply dry bulb is greater than the indoor dew point temperature plus X ℃; wherein X is a natural number.
Further, controlling the total air supply amount according to the reheat amount includes: monitoring the reheat amount; when the reheating amount exceeds a preset threshold value and the air supply dry bulb temperature is less than or equal to the indoor dew point temperature, controlling the total air supply amount M to be Q3000/C/(ts-tz); wherein, M represents the total air supply quantity, Q represents the refrigerating capacity of the air conditioning equipment, C represents the specific heat capacity, ts represents the air supply dry bulb temperature, and tz represents the temperature of the evaporator side.
The invention also provides an anti-condensation control device, wherein the device comprises: the acquisition module is used for acquiring indoor temperature and humidity data and determining indoor dew point temperature according to the indoor temperature and humidity data; the comparison module is used for comparing the temperature of the air supply dry bulb with the indoor dew point temperature; the control module is used for maintaining the current operation mode under the condition that the temperature of the air supply dry bulb is larger than the indoor dew point temperature; and executing an anti-condensation mode under the condition that the temperature of the air supply dry bulb is less than or equal to the indoor dew point temperature, and controlling the total air supply quantity of the equipment according to the reheating quantity of the equipment reheating section.
Further, the collection module is specifically used for collecting a plurality of indoor temperature and humidity data through temperature and humidity sensors arranged at a plurality of indoor air supply openings.
Further, the control module includes: the condensation prevention processing unit is used for starting electric heating so as to ensure that the temperature of the air supply dry bulb is more than the indoor dew point temperature and X ℃; wherein X is a natural number.
Further, the control module includes: the air volume control unit is used for monitoring reheat; when the reheating amount exceeds a preset threshold value and the air supply dry bulb temperature is less than or equal to the indoor dew point temperature, controlling the total air supply amount M to be Q3000/C/(ts-tz); wherein, M represents the total air supply quantity, Q represents the refrigerating capacity of the air conditioning equipment, C represents the specific heat capacity, ts represents the air supply dry bulb temperature, and tz represents the temperature of the evaporator side.
The invention also provides air conditioning equipment, wherein the air conditioning equipment comprises the anti-condensation control device.
Further, the air conditioning apparatus includes: one or more temperature and humidity sensors are arranged in the preset range of each air supply outlet of the air conditioner, or arranged between adjacent air supply outlets of the air conditioner and used for collecting indoor temperature and humidity data.
The invention also provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the method as described above.
By applying the technical scheme of the invention, the temperature of the air supply dry bulb is controlled, and the operation regulation of related air conditioning equipment is matched, so that when the air supply temperature of an air conditioning system is higher than the indoor dew point temperature, the ambient temperature around the air supply outlet is ensured to be higher than the indoor dew point temperature by regulating the temperature of the air supply dry bulb, the total air supply quantity and the like, and the problem of easy indoor condensation is solved. User experience is improved, and the comfort of the central air-conditioning system is improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
Fig. 1 is a flowchart of an anti-condensation control method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
s101, collecting indoor temperature and humidity data, and determining indoor dew point temperature according to the indoor temperature and humidity data;
step S102, comparing the temperature of the air supply dry bulb with the indoor dew point temperature;
step S103, if the air supply dry bulb temperature is larger than the indoor dew point temperature, maintaining the current operation mode;
and step S104, if the temperature of the air supply dry bulb is less than or equal to the indoor dew point temperature, executing an anti-condensation mode, and controlling the total air supply quantity of the equipment according to the reheating quantity of the equipment reheating section.
This embodiment is through the control to the dry ball temperature of air supply, and the operation of the relevant air conditioning equipment of cooperation is adjusted, and when air conditioning system's air supply temperature was higher than indoor dew point temperature, guarantees through adjusting dry ball temperature of air supply, total supply air volume etc. that supply-air outlet ambient temperature all around is greater than indoor dew point temperature, solves indoor easy condensation problem. User experience is improved, and the comfort of the central air-conditioning system is improved.
In this embodiment, the collection of indoor temperature and humidity data may be implemented by the following preferred embodiments: a plurality of indoor temperature and humidity data are collected through temperature and humidity sensors arranged at a plurality of indoor air supply openings.
Fig. 2 is a general architecture diagram of a high temperature and high humidity central air conditioning system according to an embodiment of the present invention, in which a plurality of air outlets are provided in an indoor air conditioning working area, and a temperature and humidity sensor is installed near each air outlet, or a temperature and humidity sensor may be installed in the middle of an adjacent air outlet. It should be noted that the indoor temperature and humidity data includes an indoor temperature value and an indoor humidity value, and in the existing indoor air temperature dew point thermometer, a corresponding relationship between the indoor temperature value, the indoor humidity value, and the indoor dew point temperature is displayed. Therefore, a plurality of corresponding indoor dew point temperatures can be determined according to the collected indoor temperature and humidity data, and then the maximum data in the indoor dew point temperatures can be taken as the final indoor dew point temperature.
In fig. 2, a plurality of temperature and humidity sensors are arranged at indoor measuring points, indoor temperature and humidity data are collected and fed back to an air conditioning system controller, and the controller compares the indoor dew point temperature with the air supply dry bulb temperature after collecting relevant information. And finally, adjusting the operation mode of the air conditioning system.
Under the condition that the temperature of the air supply dry bulb is not more than the indoor dew point temperature, executing an anti-condensation mode, and specifically comprising the following steps: starting electric heating to ensure that the temperature of the air supply dry bulb is more than the indoor dew point temperature and X ℃; wherein X is a natural number. Then, acquiring the reheating quantity of the reheating section of the equipment; when the reheating amount reaches a preset threshold value and the air supply dry bulb temperature is less than or equal to the indoor dew point temperature, controlling the total air supply amount M to be Q, 3000/C/(ts-tz); wherein, M represents the total air supply quantity, Q represents the refrigerating capacity of the air conditioning equipment, C represents the specific heat capacity, ts represents the air supply dry bulb temperature, and tz represents the temperature of the evaporator side. It should be noted that 3000 in the above formula may be replaced by 3600/ρ, where 3600 means 3600s for 1 hour, ρ is the air density, and ρ will change with the temperature change, and is generally 1.2.
Based on the temperature, the temperature of the air supply dry bulb is increased by turning on the electric heating, and if the temperature of the air supply dry bulb is still less than or equal to the indoor dew point temperature, the temperature of the air supply dry bulb is increased by adjusting the total air supply quantity.
The embodiment provides a control method for preventing condensation of an air conditioning system in a high-temperature high-humidity environment, and solves the problem of condensation in air conditioning refrigeration operation in the high-temperature high-humidity environment.
Example 2
Fig. 3 is a flow chart of the condensation prevention control of the air conditioner according to the embodiment of the present invention, as shown in fig. 3, the flow chart includes:
in step S301, the air conditioning system is started.
Step S302, judging whether the operation is refrigeration operation; if yes, step S304 is performed, and if no, step S303 is performed.
Step S303, the current operation mode is maintained.
And step S304, acquiring the indoor dew point temperature.
Step S305, judging whether the air supply dry bulb temperature ts is less than or equal to the indoor dew point temperature tr; if yes, step S306 is executed, and if no, step S303 is executed.
And step S306, executing an anti-condensation mode.
This embodiment uses traditional central air conditioning design as the basis, and indoor temperature and humidity sensor is main information acquisition point, according to the data that temperature and humidity sensor gathered back, judges indoor dew point temperature. And comparing the temperature of the air supply dry bulb with the indoor dew point temperature in the refrigerating operation process of the air conditioning system. And when the temperature of the air supply dry bulb is greater than the indoor dew point temperature, the air conditioning system maintains the current operation mode and does not execute the condensation prevention mode. And executing an anti-condensation mode when the temperature of the air supply dry bulb is less than or equal to the indoor dew point temperature, and ensuring that the temperature of the air supply dry bulb is greater than the indoor dew point temperature plus t ℃. When extreme weather (plum rain season) is met, when the heat W reaches a threshold value and the temperature of the air supply dry bulb cannot be guaranteed, the total air supply quantity M is controlled to guarantee that the temperature of the air supply dry bulb is greater than the indoor dew point temperature plus t ℃.
Example 3
Corresponding to the anti-condensation control method introduced in fig. 1, the present embodiment provides an anti-condensation control device, as shown in the block diagram of the structure of the anti-condensation control device shown in fig. 4, the device includes:
the acquisition module 10 is used for acquiring indoor temperature and humidity data and determining indoor dew point temperature according to the indoor temperature and humidity data;
the comparison module 20 is used for comparing the temperature of the air supply dry bulb with the indoor dew point temperature;
the control module 30 is used for maintaining the current operation mode under the condition that the temperature of the air supply dry bulb is larger than the indoor dew point temperature; and under the condition that the temperature of the air supply dry bulb is less than or equal to the indoor dew point temperature, executing an anti-condensation mode, and controlling the total air supply quantity of the equipment according to the reheating quantity of the equipment reheating section.
This embodiment is through the control to the dry ball temperature of air supply, and the operation of the relevant air conditioning equipment of cooperation is adjusted, and when air conditioning system's air supply temperature was higher than indoor dew point temperature, guarantees through adjusting dry ball temperature of air supply, total supply air volume etc. that supply-air outlet ambient temperature all around is greater than indoor dew point temperature, solves indoor easy condensation problem. User experience is improved, and the comfort of the central air-conditioning system is improved.
Preferably, the collecting module 10 is specifically configured to collect a plurality of indoor temperature and humidity data through temperature and humidity sensors disposed at a plurality of indoor air supply ports. After a plurality of indoor temperature and humidity data are collected, a plurality of corresponding indoor dew point temperatures can be determined according to the collected indoor temperature and humidity data, and then the maximum data in the indoor dew point temperatures can be taken as the final indoor dew point temperature.
The control module 30 includes: the anti-condensation processing unit is used for starting electric heating so as to ensure that the temperature of the air supply dry bulb is more than the indoor dew point temperature and X ℃; wherein X is a natural number. The air volume control unit is used for acquiring the reheating volume of the reheating section of the equipment; when the reheating amount reaches a preset threshold value and the air supply dry bulb temperature is less than or equal to the indoor dew point temperature, controlling the total air supply amount M to be Q, 3000/C/(ts-tz); wherein, M represents the total air supply quantity, Q represents the refrigerating capacity of the air conditioning equipment, C represents the specific heat capacity, ts represents the air supply dry bulb temperature, and tz represents the temperature of the evaporator side. Based on the temperature, the temperature of the air supply dry bulb is increased by turning on the electric heating, and if the temperature of the air supply dry bulb is still less than or equal to the indoor dew point temperature, the temperature of the air supply dry bulb is increased by adjusting the total air supply quantity.
The embodiment also provides air conditioning equipment, wherein the air conditioning equipment comprises the anti-condensation control device described in the embodiment. With reference to the above embodiments and the accompanying drawings, the air conditioning equipment provided by the present invention has the following operating logic:
when the temperature ts of the air supply dry bulb of the central air conditioning system is greater than the indoor dew point temperature tr, the air conditioning system maintains the current operation mode.
When the temperature ts of the air supply dry bulb of the central air conditioning system is less than or equal to the indoor dew point temperature tr, the control modes of the air conditioning system are as follows 2:
1) a plurality of indoor temperature and humidity values can be obtained based on a plurality of temperature and humidity sensors arranged indoors and fed back to the controller, and a plurality of corresponding indoor dew point temperatures can be calculated according to the plurality of indoor temperature and humidity values (for example: tr1, tr2, tr3 … … trn, n is the number of temperature and humidity sensors), then, setting the indoor dew point temperature with the maximum value as the determined indoor dew point temperature tr ═ max (tr1, tr2, tr3 … … trn), setting the indoor dew point temperature tr to be more than or equal to the air supply dry bulb temperature ts, executing an anti-condensation mode, starting electric heating, and ensuring that the air supply dry bulb temperature is more than the indoor dew point temperature + t ℃.
2) On the premise of the mode 1, when the reheating amount W of the air conditioning system reaches the threshold value, the air supply dry bulb temperature ts is still less than or equal to the indoor dew point temperature tr, and the total air supply amount M is controlled:
M=Q*3000/C/(ts-tz);
in the formula: m represents the total air supply, M3H; q represents the refrigerating capacity of the air conditioning equipment, KW; c represents the specific heat capacity J/(kg. ℃); ts represents the air supply dry bulb temperature, deg.C; tz represents evaporator side temperature, ° c.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Example 4
The embodiment of the present invention provides software for implementing the technical solutions described in the above embodiments and preferred embodiments.
An embodiment of the present invention provides a non-volatile computer storage medium, where a computer-executable instruction is stored in the computer storage medium, and the computer-executable instruction may execute the anti-condensation control method in any of the above method embodiments.
The storage medium stores the software, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, erasable memory, etc.
From the above description, it can be known that the present invention is based on the regulation and control of the temperature of the air supply dry bulb of the central air conditioner, under the condition of ensuring the indoor environment requirement, the present invention can ensure that the ambient temperature around the air supply outlet is greater than the indoor dew point temperature by collecting indoor temperature and humidity data and feeding back the data to the device controller, and regulating the total air supply quantity, the temperature of the air supply dry bulb, etc., so as to improve the user experience and the comfort of the central air conditioning system.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.