CN116026071A - Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium - Google Patents
Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium Download PDFInfo
- Publication number
- CN116026071A CN116026071A CN202211708889.XA CN202211708889A CN116026071A CN 116026071 A CN116026071 A CN 116026071A CN 202211708889 A CN202211708889 A CN 202211708889A CN 116026071 A CN116026071 A CN 116026071A
- Authority
- CN
- China
- Prior art keywords
- frequency
- temperature
- liquid cooling
- cooling unit
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The application relates to the technical field of liquid cooling units, and discloses a method for controlling a liquid cooling unit, wherein the liquid cooling unit comprises a variable frequency compressor and a water pump, and the method comprises the following steps: and obtaining the water outlet temperature of the liquid cooling unit and a preset target temperature. And controlling the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to regulate the water outlet temperature. The water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable-frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature of the liquid cooling unit and the target temperature, so that the water outlet temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature. The application also discloses a device for controlling the liquid cooling unit, the liquid cooling unit and a storage medium.
Description
Technical Field
The present application relates to the technical field of liquid cooling units, and for example, to a method and apparatus for controlling a liquid cooling unit, and a storage medium.
Background
Currently, with the progress of energy consumption structures, the related fields of energy storage devices are developed in an explosive manner, and the safety and stability of the energy storage devices are also getting more and more attention. The energy storage device generates a large amount of heat during the charge and discharge application, and there is a risk of burning or explosion. Therefore, the liquid cooling unit is required to exchange heat with the energy storage device through water circulation so as to adjust the temperature of the energy storage device. In the related art, the liquid cooling unit generally controls the temperature of the energy storage device by adjusting the frequency of the compressor to control the temperature of the discharged water.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: in the related art, the liquid cooling unit generally controls the outlet water temperature by adjusting the frequency of the compressor, and the efficiency is low.
It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a method and a device for controlling a liquid cooling unit, the liquid cooling unit and a storage medium, so as to improve the efficiency of adjusting the temperature of discharged water.
In some embodiments, the method for controlling a liquid cooling unit includes a variable frequency compressor and a water pump; the method comprises the following steps: and obtaining the water outlet temperature of the liquid cooling unit and a preset target temperature. And controlling the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to regulate the water outlet temperature.
In some embodiments, the frequency of the inverter compressor is controlled by: determining a first temperature threshold according to the target temperature; under the condition that the outlet water temperature is greater than the first temperature threshold value, acquiring the maximum frequency of the variable frequency compressor; and taking the maximum frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
In some embodiments, the frequency of the inverter compressor is controlled by: determining a first temperature threshold and a second temperature threshold according to the target temperature; obtaining the maximum frequency of the variable frequency compressor under the condition that the water outlet temperature is greater than the second temperature threshold and the water outlet temperature is less than or equal to the first temperature threshold; acquiring a first control frequency according to the maximum frequency; and taking the first control frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
In some embodiments, the frequency of the inverter compressor is controlled by: determining a second temperature threshold and a third temperature threshold according to the target temperature; obtaining the maximum frequency of the variable frequency compressor under the condition that the water outlet temperature is greater than the third temperature threshold and the water outlet temperature is less than or equal to the second temperature threshold; acquiring a second control frequency according to the maximum frequency; and taking the second control frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
In some embodiments, the rotational speed of the water pump is controlled by: determining a fourth temperature threshold according to the target temperature; acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is smaller than or equal to the fourth temperature threshold value; setting the rotation speed of the water pump to the maximum rotation speed.
In some embodiments, the rotational speed of the water pump is controlled by: determining a fourth temperature threshold and a second temperature threshold according to the target temperature; acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is larger than the fourth temperature threshold and smaller than or equal to the second temperature threshold; determining a first control rotational speed according to the maximum rotational speed; setting the rotational speed of the water pump to the first control rotational speed.
In some embodiments, the rotational speed of the water pump is controlled by: determining a second temperature threshold according to the target temperature; acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is greater than the second temperature threshold value; determining a second control rotational speed according to the maximum rotational speed; setting the rotation speed of the water pump to the second control rotation speed.
In some embodiments, the means for controlling a liquid cooling unit includes a variable frequency compressor and a water pump; the device comprises: the acquisition module is configured to acquire the water outlet temperature of the liquid cooling unit and a preset target temperature; and the control module is configured to control the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to adjust the water outlet temperature.
In some embodiments, the fluid cooling unit includes a processor and a memory storing program instructions, the processor being configured to perform the above-described method for controlling the fluid cooling unit when the program instructions are executed.
In some embodiments, the storage medium stores program instructions that, when executed, perform the method for controlling a liquid cooling set described above.
The method and device for controlling the liquid cooling unit, the liquid cooling unit and the storage medium provided by the embodiment of the disclosure can realize the following technical effects: the water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable-frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature of the liquid cooling unit and the target temperature, so that the water outlet temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic diagram of a first method for controlling a liquid cooling unit provided by an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a second method for controlling a liquid cooling unit provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a third method for controlling a liquid cooling unit provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a fourth method for controlling a liquid chiller unit provided by an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a fifth method for controlling a liquid chiller unit provided by an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a sixth method for controlling a liquid chiller set provided by an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of an apparatus for controlling a liquid cooling unit according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of a liquid cooling unit according to an embodiment of the disclosure.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
The embodiment of the disclosure is applied to the liquid cooling unit. The water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable-frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature of the liquid cooling unit and the target temperature, so that the water outlet temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature.
Referring to fig. 1, an embodiment of the present disclosure provides a method for controlling a liquid cooling unit including a variable frequency compressor and a water pump; the method comprises the following steps:
step S101, the liquid cooling unit obtains the water outlet temperature and the preset target temperature of the liquid cooling unit.
And step S102, the liquid cooling unit controls the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to adjust the water outlet temperature.
By adopting the method for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the outlet water temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable-frequency compressor and the rotating speed of the water pump are controlled according to the outlet water temperature of the liquid cooling unit and the target temperature, so that the outlet water temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature.
Optionally, the frequency of the inverter compressor is controlled by: a first temperature threshold is determined based on the target temperature. And under the condition that the outlet water temperature is greater than a first temperature threshold value, acquiring the maximum frequency of the variable frequency compressor. The maximum frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. In this way, the first temperature threshold is determined from the target temperature. And under the condition that the water outlet temperature is greater than the first temperature threshold value, taking the maximum frequency of the variable frequency compressor as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency. The frequency fine control of the variable frequency compressor is improved, so that the efficiency of adjusting the outlet water temperature is improved.
Further, controlling the frequency of the inverter compressor according to the initial frequency includes: PID (proportion integral differential, proportional-integral-derivative) control is performed on the frequency of the inverter compressor according to the initial frequency.
Further, determining a first temperature threshold according to the target temperature includes: and acquiring a preset first reference threshold value. The sum of the target temperature and the first reference threshold is determined as a first temperature threshold. In some embodiments, the first reference threshold comprises 5.
Optionally, the frequency of the inverter compressor is controlled by: a first temperature threshold and a second temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the second temperature threshold value and is smaller than or equal to the first temperature threshold value, obtaining the maximum frequency of the variable frequency compressor. And acquiring a first control frequency according to the maximum frequency. The first control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. Thus, the maximum frequency of the variable frequency compressor is obtained when the outlet water temperature is greater than the second temperature threshold and the outlet water temperature is less than or equal to the first temperature threshold. And acquiring a first control frequency according to the maximum frequency, taking the first control frequency as an initial frequency, and controlling the frequency of the variable frequency compressor according to the initial frequency. The frequency fine control of the variable frequency compressor is improved, so that the efficiency of adjusting the outlet water temperature is improved.
Further, determining the first temperature threshold and the second temperature threshold according to the target temperature includes: and acquiring a preset first reference threshold value and a preset second reference threshold value. The sum of the target temperature and the first reference threshold is determined as a first temperature threshold. The sum of the target temperature and the second reference threshold is determined as a second temperature threshold. Further, the second reference threshold is less than the first reference threshold. In some embodiments, the second reference threshold comprises 3.
Further, obtaining the first control frequency according to the maximum frequency includes: and acquiring a preset first reference threshold value. The product of the maximum frequency and the first reference threshold is determined as the first control frequency. In some embodiments, the first reference threshold comprises 75%.
Optionally, the frequency of the inverter compressor is controlled by: the second temperature threshold and the third temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the third temperature threshold value and the water outlet temperature is smaller than or equal to the second temperature threshold value, obtaining the maximum frequency of the variable frequency compressor. And acquiring a second control frequency according to the maximum frequency. The second control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. Thus, the maximum frequency of the variable frequency compressor is obtained when the outlet water temperature is greater than the third temperature threshold and the outlet water temperature is less than or equal to the second temperature threshold. And obtaining a second control frequency according to the maximum frequency, taking the second control frequency as an initial frequency, and controlling the frequency of the variable frequency compressor according to the initial frequency. The frequency fine control of the variable frequency compressor is improved, so that the efficiency of adjusting the outlet water temperature is improved.
Further, determining a second temperature threshold and a third temperature threshold according to the target temperature includes: and acquiring a preset second reference threshold value and a preset third reference threshold value. The sum of the target temperature and the second reference threshold is determined as a second temperature threshold. The sum of the target temperature and the third reference threshold is determined as a third temperature threshold. Further, the third reference threshold is less than the second reference threshold. In some embodiments, the second reference threshold comprises 1.
Further, obtaining the second control frequency according to the maximum frequency includes: and acquiring a preset second reference threshold value. The product of the maximum frequency and the second reference threshold is determined as the second control frequency. Wherein the second control frequency is less than the first control frequency. The second reference threshold is less than the first reference threshold. In some embodiments, the second reference threshold comprises 50%.
Further, in the case that the outlet water temperature is less than or equal to the third temperature threshold, the method further includes: and controlling the variable frequency compressor to stop.
In some embodiments, the PID control is maintained after PID control of the frequency of the variable frequency compressor based on the initial frequency.
Optionally, the rotational speed of the water pump is controlled by: a fourth temperature threshold is determined based on the target temperature. And under the condition that the water outlet temperature is less than or equal to the fourth temperature threshold value, acquiring the maximum rotating speed of the water pump. The rotational speed of the water pump is set to the maximum rotational speed. Therefore, under the condition that the water outlet temperature is smaller than or equal to the fourth temperature threshold value, the heat exchange efficiency of the liquid cooling unit is higher, the flow rate of liquid is improved by setting the rotating speed of the water pump to be the maximum rotating speed, and the heat exchange efficiency of the liquid cooling unit is reduced, so that the efficiency of adjusting the water outlet temperature is improved.
Further, determining a fourth temperature threshold from the target temperature includes: and acquiring a preset fourth reference threshold value. The sum of the target temperature and the fourth reference threshold is determined as a fourth temperature threshold. Further, the fourth reference threshold is less than the third reference threshold. In some embodiments, the fourth reference threshold comprises-1.
Optionally, the rotational speed of the water pump is controlled by: a fourth temperature threshold and a second temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the fourth temperature threshold value and the water outlet temperature is smaller than or equal to the second temperature threshold value, acquiring the maximum rotating speed of the water pump. The first control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the first control rotational speed. Thus, in the case where the outlet water temperature is greater than the fourth temperature threshold and the outlet water temperature is less than or equal to the second temperature threshold, the first control rotational speed is determined according to the maximum rotational speed of the water pump. The rotational speed of the water pump is set to the first control rotational speed. The flow speed of liquid is controlled, and the heat exchange efficiency of the liquid cooling unit is regulated, so that the efficiency of regulating the temperature of discharged water is improved.
Further, determining a fourth temperature threshold and a second temperature threshold from the target temperature includes: and acquiring a preset fourth reference threshold value and a preset second reference threshold value. The sum of the target temperature and the fourth reference threshold is determined as a fourth temperature threshold. The sum of the target temperature and the second reference threshold is determined as a second temperature threshold.
Further, determining the first control rotational speed according to the maximum rotational speed includes: and acquiring a preset third reference threshold value. The product of the maximum frequency and the third reference threshold value is determined as the first control rotational speed. In some embodiments, the second reference threshold comprises 80%.
Optionally, the rotational speed of the water pump is controlled by: a second temperature threshold is determined based on the target temperature. And under the condition that the water outlet temperature is greater than the second temperature threshold value, acquiring the maximum rotating speed of the water pump. The second control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the second control rotational speed. Thus, in the case that the outlet water temperature is greater than the second temperature threshold value, the second control rotation speed is determined according to the maximum rotation speed of the water pump. The rotational speed of the water pump is set to the second control rotational speed. The flow speed of liquid is controlled, and the heat exchange efficiency of the liquid cooling unit is regulated, so that the efficiency of regulating the temperature of discharged water is improved.
Further, determining a second temperature threshold from the target temperature includes: and acquiring a preset second reference threshold value. The sum of the target temperature and the second reference threshold is determined as a second temperature threshold.
Further, determining the second control rotational speed according to the maximum rotational speed includes: and acquiring a preset fourth reference threshold value. The product of the maximum frequency and the fourth reference threshold value is determined as the second control rotation speed. Wherein the fourth reference threshold is less than the third reference threshold. The second control rotational speed is less than the first reference threshold. In some embodiments, the second reference threshold comprises 80%.
Referring to FIG. 2, another method for controlling a liquid cooling unit including a variable frequency compressor and a water pump is provided in accordance with an embodiment of the present disclosure; the method comprises the following steps:
step S201, the liquid cooling unit obtains the water outlet temperature and the preset target temperature of the liquid cooling unit.
Step S202, the liquid cooling unit determines a first temperature threshold according to the target temperature.
In step S203, the liquid cooling unit obtains the maximum frequency of the variable frequency compressor and the maximum rotation speed of the water pump when the outlet water temperature is greater than the first temperature threshold.
In step S204, the liquid cooling unit uses the maximum frequency as an initial frequency, and then controls the frequency of the inverter compressor according to the initial frequency. Determining a second control rotational speed based on the maximum rotational speed; the rotational speed of the water pump is set to the second control rotational speed.
By adopting the method for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and the first temperature threshold is determined according to the target temperature. And under the condition that the water outlet temperature is greater than the first temperature threshold value, taking the maximum frequency as an initial frequency, then controlling the frequency of the variable frequency compressor according to the initial frequency, and setting the rotating speed of the water pump as a second control rotating speed. Therefore, under the condition that the water outlet temperature is larger than the first temperature threshold value, the frequency of the variable frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature and the target temperature, and the efficiency of adjusting the water outlet temperature is improved.
Referring to FIG. 3, another method for controlling a liquid cooling unit including a variable frequency compressor and a water pump is provided in accordance with an embodiment of the present disclosure; the method comprises the following steps:
step S301, the liquid cooling unit obtains the water outlet temperature and the preset target temperature of the liquid cooling unit.
In step S302, the liquid cooling unit determines a first temperature threshold and a second temperature threshold according to the target temperature.
Step S303, the liquid cooling unit obtains the maximum frequency of the variable frequency compressor and the maximum rotating speed of the water pump under the condition that the water outlet temperature is larger than the second temperature threshold and smaller than or equal to the first temperature threshold.
Step S304, the liquid cooling unit obtains a first control frequency according to the maximum frequency. The first control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. The second control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the second control rotational speed.
By adopting the method for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the water outlet temperature and the preset target temperature of the liquid cooling unit are obtained, and the first temperature threshold and the second temperature threshold are determined according to the target temperature. And under the condition that the water outlet temperature is larger than the second temperature threshold value and is smaller than or equal to the first temperature threshold value, acquiring the first control frequency according to the maximum frequency. The first control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. And determining a second control rotational speed based on the maximum rotational speed. The rotational speed of the water pump is set to the second control rotational speed. Therefore, under the condition that the water outlet temperature is larger than the second temperature threshold value and is smaller than or equal to the first temperature threshold value, the frequency of the variable frequency compressor and the rotating speed of the water pump are controlled simultaneously according to the water outlet temperature and the target temperature, and the efficiency of adjusting the water outlet temperature is improved.
Referring to FIG. 4, another method for controlling a liquid cooling unit including a variable frequency compressor and a water pump is provided in accordance with an embodiment of the present disclosure; the method comprises the following steps:
step S401, the liquid cooling unit obtains the water outlet temperature and the preset target temperature of the liquid cooling unit.
In step S402, the liquid cooling unit determines a second temperature threshold and a third temperature threshold according to the target temperature.
Step S403, the liquid cooling unit obtains the maximum frequency of the variable frequency compressor and the maximum rotating speed of the water pump under the condition that the water outlet temperature is larger than the third temperature threshold and the water outlet temperature is smaller than or equal to the second temperature threshold.
In step S404, the liquid cooling unit obtains the second control frequency according to the maximum frequency. The second control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. The first control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the first control rotational speed.
By adopting the method for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the water outlet temperature and the preset target temperature of the liquid cooling unit are obtained, and the second temperature threshold and the third temperature threshold are determined according to the target temperature. And under the condition that the water outlet temperature is larger than the third temperature threshold value and is smaller than or equal to the second temperature threshold value, obtaining the maximum frequency of the variable-frequency compressor and the maximum rotating speed of the water pump. And acquiring a second control frequency according to the maximum frequency. The second control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency. The first control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the first control rotational speed. Therefore, when the water outlet temperature is larger than the third temperature threshold value and is smaller than or equal to the second temperature threshold value, the frequency of the variable frequency compressor and the rotating speed of the water pump are controlled simultaneously according to the water outlet temperature and the target temperature, and the efficiency of adjusting the water outlet temperature is improved.
Referring to FIG. 5, another method for controlling a liquid cooling unit including a variable frequency compressor and a water pump is provided in accordance with an embodiment of the present disclosure; the method comprises the following steps:
in step S501, the liquid cooling unit obtains the outlet water temperature and the preset target temperature of the liquid cooling unit.
In step S502, the liquid cooling unit determines a third temperature threshold and a fourth temperature threshold according to the target temperature.
In step S503, the liquid cooling unit obtains the maximum rotation speed of the water pump when the outlet water temperature is greater than the fourth temperature threshold and the outlet water temperature is less than or equal to the third temperature threshold.
Step S504, the liquid cooling unit controls the variable frequency compressor to stop. The first control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the first control rotational speed.
By adopting the method for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the water outlet temperature and the preset target temperature of the liquid cooling unit are obtained, and the third temperature threshold and the fourth temperature threshold are determined according to the target temperature. And under the condition that the water outlet temperature is larger than the fourth temperature threshold value and the water outlet temperature is smaller than or equal to the third temperature threshold value, acquiring the maximum rotating speed of the water pump. And controlling the variable frequency compressor to stop, and determining a first control rotating speed according to the maximum rotating speed. The rotational speed of the water pump is set to the first control rotational speed. Therefore, when the water outlet temperature is larger than the fourth temperature threshold value and is smaller than or equal to the third temperature threshold value, the rotation speeds of the variable frequency compressor and the water pump are controlled according to the water outlet temperature and the target temperature, and the water outlet temperature is adjusted.
Referring to FIG. 6, another method for controlling a liquid cooling unit including a variable frequency compressor and a water pump is provided in accordance with an embodiment of the present disclosure; the method comprises the following steps:
in step S601, the liquid cooling unit obtains the outlet water temperature and the preset target temperature of the liquid cooling unit.
In step S602, the liquid cooling unit determines a fourth temperature threshold according to the target temperature.
In step S603, the liquid cooling unit obtains the maximum rotation speed of the water pump when the outlet water temperature is less than or equal to the fourth temperature threshold.
Step S604, the liquid cooling unit controls the variable frequency compressor to stop. The rotational speed of the water pump is set to the maximum rotational speed.
By adopting the method for controlling the liquid cooling unit provided by the embodiment of the disclosure, the outlet water temperature of the liquid cooling unit and the preset target temperature are obtained, and the fourth temperature threshold is determined according to the target temperature. And under the condition that the water outlet temperature is less than or equal to the fourth temperature threshold value, acquiring the maximum rotating speed of the water pump. And controlling the variable frequency compressor to stop, and setting the rotating speed of the water pump to be the maximum rotating speed. Therefore, when the water outlet temperature is smaller than or equal to the fourth temperature threshold value, the rotation speeds of the variable frequency compressor and the water pump are controlled according to the water outlet temperature and the target temperature, and the water outlet temperature is adjusted.
Further, the water inlet of the liquid cooling unit is connected with the electromagnetic valve and the warm air core body. The electromagnetic valve is used for connecting the water inlet and the warm air core body. The method for controlling the liquid cooling unit further comprises the following steps: and acquiring the ambient temperature, the water inlet temperature of the water inlet and the water inlet target temperature. Under the condition that the ambient temperature, the water inlet temperature of the water inlet and the water inlet target temperature meet the preset first condition, accumulating the accumulated time length that the ambient temperature, the water inlet temperature of the water inlet and the water inlet target temperature meet the condition. And under the condition that the accumulated time length is greater than or equal to the preset time length, opening the electromagnetic valve, and closing the variable frequency compressor. The environmental temperature, the water inlet temperature of the water inlet and the water inlet target temperature meet a preset first condition that the environmental temperature is smaller than or equal to a fifth temperature threshold value, and the difference value between the water outlet temperature and the target temperature is larger than or equal to a sixth temperature threshold value. In some embodiments, the fifth temperature threshold is 5 degrees celsius. Thus, when the ambient temperature is lower than 5 ℃, the service life of the variable frequency compressor can be protected by closing the variable frequency compressor. However, after the variable frequency compressor is turned off, the battery plate of the liquid cooling unit generates heat due to charge and discharge, so that the water inlet temperature of the water inlet can be increased. After the electromagnetic valve is opened, a waterway entering the warm air core body can be opened, so that the heat of water at the water inlet is reduced.
Further, after the electromagnetic valve is opened and the variable frequency compressor is closed, the ambient temperature, the water inlet temperature of the water inlet and the water inlet target temperature are acquired again. And under the condition that the ambient temperature, the water inlet temperature of the water inlet and the water inlet target temperature meet the preset second condition, closing the electromagnetic valve and starting the variable-frequency compressor. The preset second condition includes that the ambient temperature is greater than a fifth temperature threshold, or the difference between the water outlet temperature and the target temperature is less than a sixth temperature threshold.
Referring to fig. 7, an embodiment of the present disclosure provides an apparatus 1 for controlling a liquid cooling unit including a variable frequency compressor and a water pump, the apparatus including: an acquisition module 2 and a control module 3. The acquisition module 2 is configured to acquire the water outlet temperature of the liquid cooling unit and a preset target temperature; the control module 3 is configured to control the frequency of the variable frequency compressor and the rotational speed of the water pump according to the outlet water temperature and the target temperature so as to adjust the outlet water temperature.
By adopting the device for controlling the liquid cooling unit, which is provided by the embodiment of the disclosure, the water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable-frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature of the liquid cooling unit and the target temperature, so that the water outlet temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature.
Further, the control module is configured to control the frequency of the inverter compressor by: a first temperature threshold is determined based on the target temperature. And under the condition that the outlet water temperature is greater than a first temperature threshold value, acquiring the maximum frequency of the variable frequency compressor. The maximum frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency.
Further, the control module is configured to control the frequency of the inverter compressor by: a first temperature threshold and a second temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the second temperature threshold value and is smaller than or equal to the first temperature threshold value, obtaining the maximum frequency of the variable frequency compressor. And acquiring a first control frequency according to the maximum frequency. The first control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency.
Further, the control module is configured to control the frequency of the inverter compressor by: the second temperature threshold and the third temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the third temperature threshold value and the water outlet temperature is smaller than or equal to the second temperature threshold value, obtaining the maximum frequency of the variable frequency compressor. And acquiring a second control frequency according to the maximum frequency. The second control frequency is taken as an initial frequency, and then the frequency of the variable frequency compressor is controlled according to the initial frequency.
Further, the control module is configured to control the rotational speed of the water pump by: a fourth temperature threshold is determined based on the target temperature. And under the condition that the water outlet temperature is less than or equal to the fourth temperature threshold value, acquiring the maximum rotating speed of the water pump. The rotational speed of the water pump is set to the maximum rotational speed.
Further, the control module is configured to adjust the rotational speed of the water pump by: a fourth temperature threshold and a second temperature threshold are determined based on the target temperature. And under the condition that the water outlet temperature is larger than the fourth temperature threshold value and the water outlet temperature is smaller than or equal to the second temperature threshold value, acquiring the maximum rotating speed of the water pump. The first control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the first control rotational speed.
Further, the control module is configured to control the rotational speed of the water pump by: a second temperature threshold is determined based on the target temperature. And under the condition that the water outlet temperature is greater than the second temperature threshold value, acquiring the maximum rotating speed of the water pump. The second control rotational speed is determined based on the maximum rotational speed. The rotational speed of the water pump is set to the second control rotational speed.
Referring to fig. 8, an embodiment of the present disclosure provides a liquid cooling unit 4 including a processor (processor) 5 and a memory (memory) 6. Optionally, the apparatus may further comprise a communication interface (Communication Interface) 7 and a bus 8. The processor 5, the communication interface 7 and the memory 6 can communicate with each other via the bus 8. The communication interface 7 may be used for information transmission. The processor 5 may invoke logic instructions in the memory 6 to perform the method for controlling the fluid cooling train of the above-described embodiments.
Further, the logic instructions in the memory 6 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product.
The memory 6 is used as a computer readable storage medium for storing a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 5 executes the functional applications and data processing by running the program instructions/modules stored in the memory 6, i.e. implements the method for controlling the liquid cooling unit in the above-described embodiments.
The memory 6 may include a memory program area and a memory data area, wherein the memory program area may store an operating system, at least one application program required for a function; the storage data area may store data created according to the use of the terminal device, etc. Further, the memory 6 may include a high-speed random access memory, and may also include a nonvolatile memory.
By adopting the liquid cooling unit provided by the embodiment of the disclosure, the water outlet temperature of the liquid cooling unit and the preset target temperature are obtained, and then the frequency of the variable frequency compressor and the rotating speed of the water pump are controlled according to the water outlet temperature and the target temperature of the liquid cooling unit, so that the water outlet temperature is regulated. Therefore, compared with the control of the frequency of the compressor, the control of the frequency of the variable-frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature improves the efficiency of adjusting the water outlet temperature.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling a liquid cooling unit.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of 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, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in this application, the terms "comprises," "comprising," and/or "includes," and variations thereof, mean that the stated features, integers, steps, operations, elements, and/or components are present, but that the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown 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 units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. 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). 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. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. 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.
Claims (10)
1. A method for controlling a liquid cooling unit, the liquid cooling unit comprising a variable frequency compressor and a water pump; the method comprises the following steps:
acquiring the water outlet temperature and the preset target temperature of the liquid cooling unit;
and controlling the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to regulate the water outlet temperature.
2. The method of claim 1, wherein the frequency of the inverter compressor is controlled by:
determining a first temperature threshold according to the target temperature;
under the condition that the outlet water temperature is greater than the first temperature threshold value, acquiring the maximum frequency of the variable frequency compressor;
and taking the maximum frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
3. The method of claim 1, wherein the frequency of the inverter compressor is controlled by:
determining a first temperature threshold and a second temperature threshold according to the target temperature;
obtaining the maximum frequency of the variable frequency compressor under the condition that the water outlet temperature is greater than the second temperature threshold and the water outlet temperature is less than or equal to the first temperature threshold;
Acquiring a first control frequency according to the maximum frequency;
and taking the first control frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
4. The method of claim 1, wherein the frequency of the inverter compressor is controlled by:
determining a second temperature threshold and a third temperature threshold according to the target temperature;
obtaining the maximum frequency of the variable frequency compressor under the condition that the water outlet temperature is greater than the third temperature threshold and the water outlet temperature is less than or equal to the second temperature threshold;
acquiring a second control frequency according to the maximum frequency;
and taking the second control frequency as an initial frequency, and then controlling the frequency of the variable frequency compressor according to the initial frequency.
5. The method according to claim 1, characterized in that the rotational speed of the water pump is controlled by:
determining a fourth temperature threshold according to the target temperature;
acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is smaller than or equal to the fourth temperature threshold value;
setting the rotation speed of the water pump to the maximum rotation speed.
6. The method according to claim 1, characterized in that the rotational speed of the water pump is controlled by:
determining a fourth temperature threshold and a second temperature threshold according to the target temperature;
acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is larger than the fourth temperature threshold and smaller than or equal to the second temperature threshold;
determining a first control rotational speed according to the maximum rotational speed;
setting the rotational speed of the water pump to the first control rotational speed.
7. The method according to claim 1, characterized in that the rotational speed of the water pump is controlled by:
determining a second temperature threshold according to the target temperature;
acquiring the maximum rotation speed of the water pump under the condition that the water outlet temperature is greater than the second temperature threshold value;
determining a second control rotational speed according to the maximum rotational speed;
setting the rotation speed of the water pump to the second control rotation speed.
8. A device for controlling a liquid cooling unit, wherein the liquid cooling unit comprises a variable frequency compressor and a water pump; the method comprises the following steps:
the acquisition module is configured to acquire the water outlet temperature of the liquid cooling unit and a preset target temperature;
And the control module is configured to control the frequency of the variable frequency compressor and the rotating speed of the water pump according to the water outlet temperature and the target temperature so as to adjust the water outlet temperature.
9. A liquid cooling unit comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for controlling a liquid cooling unit according to any one of claims 1 to 7 when the program instructions are run.
10. A storage medium storing program instructions which, when executed, perform the method for controlling a liquid cooling unit according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708889.XA CN116026071A (en) | 2022-12-29 | 2022-12-29 | Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211708889.XA CN116026071A (en) | 2022-12-29 | 2022-12-29 | Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116026071A true CN116026071A (en) | 2023-04-28 |
Family
ID=86072477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211708889.XA Pending CN116026071A (en) | 2022-12-29 | 2022-12-29 | Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116026071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053448A (en) * | 2023-10-12 | 2023-11-14 | 哲弗智能系统（上海）有限公司 | Method, device and equipment for controlling temperature of cooling liquid of liquid cooling unit |
-
2022
- 2022-12-29 CN CN202211708889.XA patent/CN116026071A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053448A (en) * | 2023-10-12 | 2023-11-14 | 哲弗智能系统（上海）有限公司 | Method, device and equipment for controlling temperature of cooling liquid of liquid cooling unit |
| CN117053448B (en) * | 2023-10-12 | 2024-02-20 | 哲弗智能系统（上海）有限公司 | Method, device and equipment for controlling temperature of cooling liquid of liquid cooling unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116026071A (en) | Method and device for controlling liquid cooling unit, liquid cooling unit and storage medium | |
| CN114413612A (en) | Method and device for controlling semi-closed heat pump drying equipment, electronic equipment and storage medium | |
| CN113251602A (en) | Method and device for controlling air conditioner and intelligent air conditioner | |
| CN113885600B (en) | Method and device for controlling temperature of centrifugal machine, centrifugal machine and storage medium | |
| CN112240633B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN113945021B (en) | Method and device for controlling start and stop of water chilling unit and water chilling unit | |
| CN113091231B (en) | Control method and device for air conditioner and air conditioner | |
| CN113137701B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN111043737A (en) | Method and device for controlling expansion valve and air conditioner | |
| CN113959131A (en) | Method and device for controlling water chilling unit and water chilling unit | |
| CN113983692B (en) | Method and device for controlling hot water supply equipment and hot water supply equipment | |
| CN114322251B (en) | Method and device for controlling air conditioner and multi-split air conditioner | |
| CN114198921B (en) | Method and device for controlling refrigerant circulation system and refrigerant circulation system | |
| CN114838469A (en) | Control method and control device of air conditioner and air conditioner | |
| CN113531797B (en) | Method and device for preheating air conditioner, air conditioner and air conditioning system | |
| CN114322253B (en) | Method and device for controlling air conditioner, air conditioner and storage medium | |
| CN113739292A (en) | Method and device for controlling electrochemical refrigeration system and electrochemical refrigeration system | |
| CN117259036A (en) | Method and device for controlling centrifugal machine, centrifugal machine and storage medium | |
| CN114198920B (en) | Method and device for controlling refrigerant circulation system and refrigerant circulation system | |
| CN113959056B (en) | Control method and control device for air conditioner and air conditioner | |
| CN115638602A (en) | Method and device for controlling water chilling unit, water chilling unit and storage medium | |
| CN115218602B (en) | Method and device for controlling temperature of refrigerator, refrigerator and storage medium | |
| CN113959077B (en) | Control method and device for refrigeration equipment, refrigeration equipment and storage medium | |
| CN114353361A (en) | Method and device for controlling refrigeration and freezing unit and refrigeration and freezing unit | |
| CN115355640B (en) | Method and device for controlling water chilling unit, water chilling unit and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |