CN113028602A - Operation control method and system of double-cold-source fresh air dehumidifier - Google Patents
Operation control method and system of double-cold-source fresh air dehumidifier Download PDFInfo
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- CN113028602A CN113028602A CN202110308295.9A CN202110308295A CN113028602A CN 113028602 A CN113028602 A CN 113028602A CN 202110308295 A CN202110308295 A CN 202110308295A CN 113028602 A CN113028602 A CN 113028602A
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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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The invention belongs to the technical field of air conditioners, and particularly relates to an operation control method and a control system of a double-cold-source fresh air dehumidifier, wherein the operation control method of the double-cold-source fresh air dehumidifier comprises the following steps: starting a fresh air dehumidifier; acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started; correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; and the rotating speed of the fan in the fresh air dehumidifier is corrected after the frequency of the compressor is corrected, so that the frequency suitable for system operation is quickly and accurately adjusted, the stable and reliable operation of the system is ensured, the moisture content of air can be accurately controlled, and the comfort of indoor air is ensured.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an operation control method and a control system of a double-cold-source fresh air dehumidifier.
Background
The double-cold-source fresh air dehumidifier achieves the refrigeration and dehumidification effects by means of double cold sources of a water coil pipe (precooling and dehumidification) and a fluorine system evaporator (deep dehumidification). The compressor starting operation control of the existing double-cold-source fresh air dehumidifier basically takes the environmental temperature as interval division, different corresponding target frequencies are set, the judging condition of the control method is single, the target frequency control cannot be carried out by linkage of the water source temperature, and the problem that the system is likely to be in a problem of starting operation or the target set by a user is slow can be caused. In the prior art, the running frequency of a compressor is corrected by the temperature of the air outlet of an evaporator, and the moisture content of the air outlet may not meet the requirement set by a user under the condition of high wind level, high humidity and overload. Therefore, in order to improve the operation reliability of the dual-cold-source fresh air dehumidifier system and quickly and accurately meet the humidity requirement set by a user, the existing operation control technical method needs to be optimized.
Therefore, a new operation control method and a new operation control system for the double-cold-source fresh air dehumidifier need to be designed based on the technical problems.
Disclosure of Invention
The invention aims to provide an operation control method and a control system of a double-cold-source fresh air dehumidifier.
In order to solve the technical problem, the invention provides an operation control method of a double-cold-source fresh air dehumidifier, which comprises the following steps:
starting a fresh air dehumidifier;
acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started;
correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; and
and correcting the rotating speed of a fan in the fresh air dehumidifier after the frequency of the compressor is corrected.
Further, the method for starting the fresh air dehumidifier comprises the following steps:
and starting the fan and the compressor in sequence according to the control signal.
Further, the method for acquiring the target parameters of the fresh air dehumidifier after being started comprises the following steps:
after the fan is started and before the compressor is started, the inlet water temperature T is detectedwAnd the ambient temperature T4；
Dividing the water inlet temperature and the ambient temperature into n x m temperature areas, wherein the ambient temperature is divided into m subareas, and the water temperature is divided into n subareas;
according to the temperature T of the inlet waterwAnd the ambient temperature T4And acquiring the target compressor running frequency Frt _ nm and the compressor maximum frequency Frmax _ nm corresponding to the fresh air dehumidifier in the temperature area to which the fresh air dehumidifier belongs.
Further, the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter comprises the following steps:
detecting the current environment temperature and the environment humidity after the fresh air dehumidifier operates for a preset time delta t at the target compressor operation frequency Frt _ nm;
and acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
Further, the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter further comprises the following steps:
acquiring a target air moisture content ht preset by an environment;
correcting the frequency of a compressor in the fresh air dehumidifier according to the air moisture content h of the current environment and the target air moisture content ht preset by the environment, namely
When h is greater than ht, increasing and correcting the frequency of the compressor;
and when h is less than ht, performing reduction correction on the frequency of the compressor.
Further, the method for correcting the rotating speed of the fan in the fresh air dehumidifier after the frequency of the compressor is corrected comprises the following steps:
after the frequency of the compressor is corrected, the air moisture content h of the current environment reaches the target air moisture content ht preset by the environment, and the regulation and control are completed when the frequency of the compressor is less than or equal to the highest frequency Frmax _ nm of the compressor;
when the frequency of the compressor reaches the highest frequency Frmax _ nm of the compressor and the air moisture content h of the current environment is greater than the preset target air moisture content ht of the environment, correcting the rotating speed of the fan, namely correcting the rotating speed of the fan
And reducing the rotation speed of the fan by a within unit time until the air moisture content h of the current environment reaches the target air moisture content ht preset by the environment.
On the other hand, the invention also provides an operation control system of the double-cold-source fresh air dehumidifier, which comprises the following components:
the detection module is electrically connected with the control module;
the detection module is suitable for detecting temperature and humidity data;
the control module is suitable for acquiring target parameters of the fresh air dehumidifier after being started according to temperature and humidity data, the control module is suitable for correcting the frequency of a compressor in the fresh air dehumidifier according to the corresponding target parameters, and the control module is suitable for correcting the rotating speed of a fan in the fresh air dehumidifier after the frequency of the compressor is corrected.
Furthermore, the control module is suitable for correcting the frequency of a compressor and the rotating speed of a fan in the fresh air dehumidifier by adopting the operation control method of the double-cold-source fresh air dehumidifier.
Further, the detection module includes: a water temperature sensor, an environment temperature sensor and an environment temperature and humidity sensor;
the inlet water temperature is suitable for detecting the inlet water temperature Tw；
The ambient temperature sensor is adapted to detect an ambient temperature T4；
The environment temperature and humidity sensor is suitable for detecting the current environment temperature and the environment humidity;
the control module is suitable for controlling the water inlet temperature TwAnd the ambient temperature T4Acquiring the operating frequency Frt _ nm of a target compressor and the highest frequency Frmax _ nm of the compressor corresponding to the fresh air dehumidifier in the temperature area to which the fresh air dehumidifier belongs; and
the control module is suitable for acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
The invention has the beneficial effects that the fresh air dehumidifier is started; acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started; correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; and the rotating speed of the fan in the fresh air dehumidifier is corrected after the frequency of the compressor is corrected, so that the frequency suitable for system operation is quickly and accurately adjusted, the stable and reliable operation of the system is ensured, the moisture content of air can be accurately controlled, and the comfort of indoor air is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of an operation control method of a double-cold-source fresh air dehumidifier related to the invention;
FIG. 2 is a detailed flow chart of the operation control method of the double-cold-source fresh air dehumidifier according to the present invention;
fig. 3 is a schematic block diagram of an operation control system of the double-cold-source fresh air dehumidifier related to the invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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.
Example 1
Fig. 1 is a flow chart of an operation control method of a double-cold-source fresh air dehumidifier related to the invention.
As shown in fig. 1, this embodiment 1 provides an operation control method of a dual-cold-source fresh air dehumidifier, including: starting a fresh air dehumidifier (a double-cold-source fresh air dehumidifier); the double-cold-source fresh air dehumidifier comprises a water source and a fluorine system for dehumidification and refrigeration, in summer refrigeration and dehumidification seasons, a cold water source is provided to enter a surface cooling section of a water coil pipe to pre-cool and dehumidify fresh air, the pre-cooled and dehumidified fresh air passes through an evaporator of the fluorine refrigeration system to be deeply dehumidified, and the fresh air passing through the two dehumidification sections is reduced to comfortable air humidity; the general air-conditioning system divides the regions according to the environmental temperature to set the operation frequency target, but the double-cold-source fresh air dehumidifier not only comprises a fluorine system of the general air-conditioning, wherein the water-cooling source also contributes a large part of load of the general air-conditioning for refrigeration and dehumidification, and the part of load is obviously related to the supplied water temperature, the operation target and the limit frequency of the unit are singly set only according to the environmental temperature, so that the operation frequency of the unit is over high or over low, and the operation reliability and the user comfort of the unit are influenced; acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started; correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; the rotating speed of the fan in the fresh air dehumidifier is corrected after the frequency of the compressor is corrected, so that the frequency suitable for system operation is quickly and accurately adjusted, the system is ensured to stably and reliably operate, the moisture content of air can be accurately controlled, and the comfort of indoor air is ensured; the problems of operational reliability and comfort of a system (a double-cold-source fresh air dehumidifier system) caused by single control of the target frequency according to the environmental temperature are solved, and meanwhile, the air outlet moisture content of the fresh air dehumidifier can be accurately controlled to meet the setting requirements of users.
Fig. 2 is a specific flow chart of the operation control method of the double-cold-source fresh air dehumidifier related to the invention.
As shown in fig. 2, in this embodiment, the method for turning on the fresh air dehumidifier includes: and sequentially starting the fan and the compressor according to the control signal, namely, the fresh air dehumidifier receives a starting signal so as to sequentially start the fan and the compressor.
In this embodiment, the method for acquiring each target parameter after the fresh air dehumidifier is turned on includes: immediately detecting the water inlet temperature T before the compressor is started after the fan is started (after the fan of the internal machine is started for several seconds preferentially)wAnd the ambient temperature T4(ii) a Dividing the water inlet temperature and the ambient temperature into n x m temperature regions (the ambient temperature-the water temperature is divided into n x m grid intervals), wherein the ambient temperature is divided into m subareas, and the water temperature is divided into n subareas; according to the temperature T of the inlet waterwAnd the ambient temperature T4Acquiring the operating frequency Frt _ nm of a target compressor, the opening EEV _ nm of an electronic expansion valve and the maximum frequency Frmax _ nm of the compressor corresponding to the fresh air dehumidifier in the temperature area; the corresponding relation of the target frequency, the maximum operation frequency and the opening degree of the electronic expansion valve of the specific operation control method of the double-cold-source fresh air dehumidifier is shown in table 1:
table 1: target frequency, maximum operating frequency and electronic expansion valve opening degree corresponding table
According to the temperature T of the inlet waterwAnd the ambient temperature T4Judging the falling temperature area to obtain the corresponding target compressor running frequency Frt _ nm, the electronic expansion valve opening EEV _ nm and the maximum compressor frequency Frmax _ nm; subdividing a temperature interval according to the water temperature (inlet water temperature) and the ambient temperature and setting a target operation frequency corresponding to a compressor, so that the operation frequency of a system (a double-cold-source fresh air dehumidifier system) can be quickly and accurately adjusted to be suitable for the operation of the system, and the system can be ensured to stably and reliably operate; the unit (fresh air dehumidifier) quickly enters a proper target frequency to operate, and the problems of slow operation frequency adjustment and system operation reliability caused by overhigh and overlow water temperature and high target frequency of the compressor are solved.
In this embodiment, the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter includes: after the fresh air dehumidifier runs for a preset time delta t at the running frequency Frt _ nm of the target compressor, detecting the current environment temperature and the environment humidity (detecting the environment temperature and the environment humidity of the environment through an environment temperature and humidity sensor of the double-cold-source fresh air dehumidifier); and acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
In this embodiment, the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter further includes: acquiring a target air moisture content ht preset by an environment; calculating the moisture content ht of the target air according to the temperature and humidity values of the target air set by a user; correcting the frequency of a compressor in the fresh air dehumidifier according to the air moisture content h of the current environment and the target air moisture content ht preset by the environment, namely increasing and correcting the frequency of the compressor when h is greater than ht; and when h is less than ht, performing reduction correction on the frequency of the compressor.
In this embodiment, the method for correcting the rotation speed of the fan in the fresh air dehumidifier after the frequency correction of the compressor includes: after the frequency of the compressor is corrected, the air moisture content h of the current environment reaches a target air moisture content ht preset by the environment, the fresh air dehumidifier is stably operated, and the regulation and control are completed when the frequency of the compressor is less than or equal to the highest frequency Frmax _ nm of the compressor; when the frequency of the compressor reaches the highest frequency Frmax _ nm of the compressor and the air moisture content h of the current environment is greater than the target air moisture content ht preset by the environment, correcting the rotating speed of the fan, namely reducing a revolutions per unit time until the air moisture content h of the current environment reaches the target air moisture content ht preset by the environment; after the rotating speed of the fan is corrected, after the air moisture content h of the current environment is lower than the target air moisture content ht by a certain value, the rotating speed of the fan returns to the set air speed, and meanwhile, the regulation and control return is carried out according to the target air moisture content ht; the frequency of the compressor and the rotating speed of the fan are corrected by taking the target air moisture content ht set by a user as a target, so that the air moisture content can be accurately controlled, and the comfort of indoor air is ensured.
After an environment temperature sensor and a water temperature sensor of a unit (fresh air dehumidifier) detect a temperature range region of current operation, starting the unit to operate at a target frequency Frt _ nm falling into the region and an opening EEV _ nm of an electronic expansion valve; a plurality of intervals are subdivided, the unit operation can be adjusted in place quickly, and the reliability and the comfort of operation are greatly improved. In operation, the unit compressor frequency cannot exceed the maximum limit frequency Frmax _ nm currently falling within the temperature range. The operating frequency of the unit and the rotating speed of the fan are corrected according to the moisture content calculated by the temperature and the humidity detected by the environment temperature and humidity sensor, namely the temperature and the humidity set by a user can be calculated to obtain the target air moisture content ht, and compared with the moisture content h calculated by the currently detected temperature and humidity, and the frequency of the compressor is preferably corrected; and when the unit is operated to the highest frequency and the air moisture content is still not reduced to the target value, carrying out appropriate reduction correction on the wind speed until the set moisture content is stably operated.
Example 2
Fig. 3 is a schematic block diagram of an operation control system of the double-cold-source fresh air dehumidifier related to the invention.
As shown in fig. 3, on the basis of embodiment 1, embodiment 2 further provides an operation control system of a dual cold source fresh air dehumidifier, including: the detection module is electrically connected with the control module; the detection module is suitable for detecting temperature and humidity data; the control module is suitable for acquiring target parameters of the fresh air dehumidifier after being started according to temperature and humidity data, the control module is suitable for correcting the frequency of a compressor in the fresh air dehumidifier according to the corresponding target parameters, and the control module is suitable for correcting the rotating speed of a fan in the fresh air dehumidifier after the frequency of the compressor is corrected.
In this embodiment, the control module is adapted to correct the frequency of the compressor and the rotational speed of the fan in the fresh air dehumidifier by using the operation control method of the dual cold source fresh air dehumidifier described in embodiment 1.
In this embodiment, the detection module includes: a water temperature sensor, an environment temperature sensor and an environment temperature and humidity sensor; the environment temperature sensor can directly adopt an environment temperature and humidity sensor; the inlet water temperature is suitable for detecting the inlet water temperature Tw(ii) a The ambient temperature sensor is adapted to detect an ambient temperature T4；
The ambient temperature and humidity sensingThe device is suitable for detecting the current ambient temperature and the ambient humidity; the control module is suitable for controlling the water inlet temperature TwAnd the ambient temperature T4Acquiring the operating frequency Frt _ nm of a target compressor and the highest frequency Frmax _ nm of the compressor corresponding to the fresh air dehumidifier in the temperature area to which the fresh air dehumidifier belongs; and the control module is suitable for acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
In conclusion, the fresh air dehumidifier is started; acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started; correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; and the rotating speed of the fan in the fresh air dehumidifier is corrected after the frequency of the compressor is corrected, so that the frequency suitable for system operation is quickly and accurately adjusted, the stable and reliable operation of the system is ensured, the moisture content of air can be accurately controlled, and the comfort of indoor air is ensured.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. An operation control method of a double-cold-source fresh air dehumidifier is characterized by comprising the following steps:
starting a fresh air dehumidifier;
acquiring target parameters of the fresh air dehumidifier after the fresh air dehumidifier is started;
correcting the frequency of a compressor in the fresh air dehumidifier according to corresponding target parameters; and
and correcting the rotating speed of a fan in the fresh air dehumidifier after the frequency of the compressor is corrected.
2. The operation control method of the double cold source fresh air dehumidifier as claimed in claim 1,
the method for starting the fresh air dehumidifier comprises the following steps:
and starting the fan and the compressor in sequence according to the control signal.
3. The operation control method of the double cold source fresh air dehumidifier as claimed in claim 2,
the method for acquiring the target parameters of the fresh air dehumidifier after being started comprises the following steps:
after the fan is started and before the compressor is started, the inlet water temperature T is detectedwAnd the ambient temperature T4；
Dividing the water inlet temperature and the ambient temperature into n x m temperature areas, wherein the ambient temperature is divided into m subareas, and the water temperature is divided into n subareas;
according to the temperature T of the inlet waterwAnd the ambient temperature T4And acquiring the target compressor running frequency Frt _ nm and the compressor maximum frequency Frmax _ nm corresponding to the fresh air dehumidifier in the temperature area to which the fresh air dehumidifier belongs.
4. The operation control method of the double cold source fresh air dehumidifier as claimed in claim 3,
the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter comprises the following steps:
detecting the current environment temperature and the environment humidity after the fresh air dehumidifier operates for a preset time delta t at the target compressor operation frequency Frt _ nm;
and acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
5. The operation control method of the double cold source fresh air dehumidifier as claimed in claim 4,
the method for correcting the frequency of the compressor in the fresh air dehumidifier according to the corresponding target parameter further comprises the following steps:
acquiring a target air moisture content ht preset by an environment;
correcting the frequency of a compressor in the fresh air dehumidifier according to the air moisture content h of the current environment and the target air moisture content ht preset by the environment, namely
When h is greater than ht, increasing and correcting the frequency of the compressor;
and when h is less than ht, performing reduction correction on the frequency of the compressor.
6. The operation control method of the double cold source fresh air dehumidifier as claimed in claim 5,
the method for correcting the rotating speed of the fan in the fresh air dehumidifier after the frequency of the compressor is corrected comprises the following steps:
after the frequency of the compressor is corrected, the air moisture content h of the current environment reaches the target air moisture content ht preset by the environment, and the regulation and control are completed when the frequency of the compressor is less than or equal to the highest frequency Frmax _ nm of the compressor;
when the frequency of the compressor reaches the highest frequency Frmax _ nm of the compressor and the air moisture content h of the current environment is greater than the preset target air moisture content ht of the environment, correcting the rotating speed of the fan, namely correcting the rotating speed of the fan
And reducing the rotation speed of the fan by a within unit time until the air moisture content h of the current environment reaches the target air moisture content ht preset by the environment.
7. The utility model provides an operation control system of two cold sources new trend dehumidifiers which characterized in that includes:
the detection module is electrically connected with the control module;
the detection module is suitable for detecting temperature and humidity data;
the control module is suitable for acquiring target parameters of the fresh air dehumidifier after being started according to temperature and humidity data, the control module is suitable for correcting the frequency of a compressor in the fresh air dehumidifier according to the corresponding target parameters, and the control module is suitable for correcting the rotating speed of a fan in the fresh air dehumidifier after the frequency of the compressor is corrected.
8. The operation control system of the double cold source fresh air dehumidifier as claimed in claim 7,
the control module is suitable for correcting the frequency of a compressor and the rotating speed of a fan in the fresh air dehumidifier by adopting the operation control method of the double-cold-source fresh air dehumidifier as claimed in any one of claims 1 to 6.
9. The operation control system of the double cold source fresh air dehumidifier as claimed in claim 7,
the detection module comprises: a water temperature sensor, an environment temperature sensor and an environment temperature and humidity sensor;
the inlet water temperature is suitable for detecting the inlet water temperature Tw；
The ambient temperature sensor is adapted to detect an ambient temperature T4；
The environment temperature and humidity sensor is suitable for detecting the current environment temperature and the environment humidity;
the control module is suitable for controlling the water inlet temperature TwAnd the ambient temperature T4Acquiring the operating frequency Frt _ nm of a target compressor and the highest frequency Frmax _ nm of the compressor corresponding to the fresh air dehumidifier in the temperature area to which the fresh air dehumidifier belongs; and
the control module is suitable for acquiring the air moisture content h of the current environment according to the current environment temperature and the environment humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110308295.9A CN113028602B (en) | 2021-03-23 | 2021-03-23 | Operation control method and system of double-cold-source fresh air dehumidifier |
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| CN202110308295.9A CN113028602B (en) | 2021-03-23 | 2021-03-23 | Operation control method and system of double-cold-source fresh air dehumidifier |
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