CN114087723A - Flow monitoring method and device for refrigerating unit - Google Patents
Flow monitoring method and device for refrigerating unit Download PDFInfo
- Publication number
- CN114087723A CN114087723A CN202111160316.3A CN202111160316A CN114087723A CN 114087723 A CN114087723 A CN 114087723A CN 202111160316 A CN202111160316 A CN 202111160316A CN 114087723 A CN114087723 A CN 114087723A
- Authority
- CN
- China
- Prior art keywords
- cooling water
- information
- chilled water
- water flow
- chilled
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 387
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 387
- 238000012806 monitoring device Methods 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 28
- 238000007710 freezing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012550 audit Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
-
- 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
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a flow monitoring method and a flow monitoring device for refrigerating units, which belong to the technical field of preparation and transmission and distribution of air conditioner chilled water, and comprise the steps of obtaining cooling water flow value information and chilled water flow value information in each set of target refrigerating unit and obtaining corresponding equipment identification information; judging whether the cooling water flow value information is in the corresponding cooling water threshold value range or not according to the preset corresponding relation among the basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit; and comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range. The invention can monitor and regulate the flow of the chilled water and the flow of the cooling water in a large number of chilled water refrigerating units in time, and improves the technical effect of operation safety.
Description
Technical Field
The invention belongs to the technical field of preparation and transmission and distribution of air conditioner chilled water, and particularly relates to a flow monitoring method and device for a refrigerating unit.
Background
The chilled water refrigerating unit is widely applied to industrial production, and carries out heat exchange and cooling on a technological process through cooling water output from the chilled water refrigerating unit.
At present, in the existing preparation and distribution technology of air conditioner chilled water, in industrial production, a large number of chilled water refrigerating units are installed together to meet production requirements, and large-scale application of the chilled water refrigerating units is realized. However, after the large-scale chilled water refrigeration units are installed, pipelines in numerous chilled water refrigeration units are complex, the flow rate of chilled water and the flow rate of cooling water in each set of chilled water refrigeration unit need to meet corresponding actual needs, if the chilled water refrigeration units break down or change in actual needs, and the flow rate of chilled water and the flow rate of cooling water in the chilled water refrigeration units are abnormal, it is difficult to monitor and adjust the chilled water refrigeration units with abnormal flow rates of chilled water and cooling water in the numerous chilled water refrigeration units in time, the flow rates of chilled water and cooling water in the numerous chilled water refrigeration units cannot be guaranteed to meet normal requirements, and the normal use and safe operation of the numerous chilled water refrigeration units are not facilitated.
In summary, in the existing technology for preparing and distributing chilled water for air conditioners, there are technical problems that it is difficult to monitor and adjust the flow of chilled water and the flow of cooling water in a large number of chilled water refrigeration units in time, and the operation safety is poor.
Disclosure of Invention
The technical problems to be solved by the invention are that the flow of the chilled water and the flow of the cooling water in a large number of chilled water refrigerating units are difficult to monitor and regulate in time, and the operation safety is poor.
In order to solve the technical problem, the invention provides a flow monitoring method for a refrigerating unit, which comprises the following steps: obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information; comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the cooling water flow adjusting information; and if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump through a corresponding second electromagnetic speed regulator according to the chilled water flow regulation information.
Further, the obtaining of the cooling water flow value information collected by the cooling water detector and the chilled water flow value information collected by the chilled water detector in each set of target refrigerating unit includes: installing a cooling water detector in a pipeline of each set of target refrigerating unit, wherein the pipeline is communicated with a cooling water pump and a condenser, and collecting cooling water flow value information through the cooling water detector, wherein the cooling water detector adopts a flow sensor or a differential pressure sensor; the cooling water pump is connected with a first electromagnetic speed regulator, the first electromagnetic speed regulator is connected with a motor, the motor is connected with an electromagnetic clutch, and the electromagnetic clutch is connected with a compressor; and a chilled water detector is arranged in a pipeline of each set of target refrigerating unit, which is communicated with the chilled water pump and the evaporator, and is used for collecting chilled water flow value information, wherein the chilled water detector adopts a flow sensor or a differential pressure sensor, the chilled water pump is connected with a second electromagnetic speed regulator, and the second electromagnetic speed regulator is connected with the motor.
Further, the obtained cooling water flow rate value information is compared with the corresponding cooling water threshold value range according to the corresponding relationship among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit, so as to judge whether the cooling water flow rate value information is in the corresponding cooling water threshold value range; and comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range or not, wherein the judgment comprises the following steps: importing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of each set of target refrigerating unit; storing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of the same set of target refrigerating unit into a data set; when the fact that the obtained corresponding equipment identification information is matched with the basic identification information in the data set is detected, comparing the cooling water threshold value range in the data set with the obtained cooling water flow value information to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range or not; and comparing the freezing water threshold range in the data set with the obtained freezing water flow value information to judge whether the freezing water flow value information is in the corresponding freezing water threshold range.
Further, if the cooling water flow value information is not within the corresponding cooling water threshold value range, outputting cooling water flow adjustment information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotation speed of the cooling water pump by a corresponding first electromagnetic speed regulator according to the cooling water flow adjustment information includes: if the cooling water flow value information is smaller than a first threshold value, outputting first rotating speed increasing information, increasing the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the first rotating speed increasing information, and outputting and displaying corresponding cooling water pipeline coordinate graph information; wherein the minimum value in the first threshold range is a first threshold.
Further, judging whether the corresponding cooling water pipeline coordinate graph information displayed by the output is selected; if the water flow value is selected, the cooling water flow value information is output.
Further, the judging whether the corresponding cooling water pipeline coordinate graph information displayed by the output is selected includes: and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
Further, if the cooling water flow value information is not within the corresponding cooling water threshold value range, outputting cooling water flow adjustment information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotation speed of the cooling water pump by a corresponding first electromagnetic speed regulator according to the cooling water flow adjustment information includes: if the cooling water flow value information is larger than a first threshold value, outputting first rotating speed reduction information, reducing the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the first rotating speed reduction information, and outputting and displaying corresponding first pipeline coordinate graph information; wherein the maximum value in the first threshold range is a chilled water threshold.
Further, judging whether the output and displayed corresponding chilled water pipeline coordinate graph information is selected or not; if the flow rate is selected, the flow rate value information of the chilled water is output.
Further, the judging whether the corresponding cooling water pipeline coordinate graph information displayed by the output is selected includes: and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
In accordance with yet another aspect of the present invention, there is also provided a flow monitoring apparatus for a refrigeration unit, the apparatus comprising: the flow value acquisition module is used for acquiring cooling water flow value information acquired by a cooling water detector and chilled water flow value information acquired by a chilled water detector in each set of target refrigerating unit and acquiring corresponding equipment identification information; the judging module is used for comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, the obtained chilled water flow value information and the corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit so as to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; the cooling water adjusting module is used for outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information if the cooling water flow value information is not in the corresponding cooling water threshold range, and adjusting the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the cooling water flow adjusting information; and the chilled water regulating module is used for outputting chilled water flow regulating information and corresponding chilled water pipeline coordinate graph information if the chilled water flow value information is not in the corresponding chilled water threshold range, and regulating the rotating speed of the chilled water pump through a corresponding second electromagnetic speed regulator according to the chilled water flow regulating information.
Has the advantages that:
the invention provides a flow monitoring method for refrigerating units, which comprises the steps of obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information; comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the cooling water flow adjusting information; and if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump through a corresponding second electromagnetic speed regulator according to the chilled water flow regulation information. Like this in numerous refrigerated water refrigerating unit, can in time carry out real time monitoring to the flow of refrigerated water and the flow of cooling water in every set of refrigerated water refrigerating unit to the realization takes place the refrigerated water refrigerating unit of anomaly to the flow of refrigerated water and the flow of cooling water and in time adjusts, and the guarantee numerous refrigerated water refrigerating unit can long-term normal operating. Therefore, the technical effects that the flow of chilled water and the flow of cooling water in a large number of chilled water refrigerating units can be timely monitored and adjusted, and the operation safety is improved are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a flow chart of a flow monitoring method for a refrigeration unit according to an embodiment of the present invention;
fig. 2 is a block diagram illustrating a flow monitoring device for a refrigeration unit according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a flow monitoring device for a refrigeration unit according to an embodiment of the present invention.
Detailed Description
The invention discloses a flow monitoring method for refrigerating units, which comprises the steps of obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information; comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump 5 through a corresponding first electromagnetic speed regulator 4 according to the cooling water flow adjusting information; and if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump 8 through the corresponding second electromagnetic speed regulator 7 according to the chilled water flow regulation information. Like this in numerous refrigerated water refrigerating unit, can in time carry out real time monitoring to the flow of refrigerated water and the flow of cooling water in every set of refrigerated water refrigerating unit to the realization takes place the refrigerated water refrigerating unit of anomaly to the flow of refrigerated water and the flow of cooling water and in time adjusts, and the guarantee numerous refrigerated water refrigerating unit can long-term normal operating. Therefore, the technical effects that the flow of chilled water and the flow of cooling water in a large number of chilled water refrigerating units can be timely monitored and adjusted, and the operation safety is improved are achieved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention; the "and/or" keyword referred to in this embodiment represents sum or two cases, in other words, a and/or B mentioned in the embodiment of the present invention represents two cases of a and B, A or B, and describes three states where a and B exist, such as a and/or B, which represents: only A does not include B; only B does not include A; including A and B.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments. Spatially relative terms, such as "below," "above," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "lower" would then be oriented "upper" other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Also, in embodiments of the invention where an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used in the embodiments of the present invention are for illustrative purposes only and are not intended to limit the present invention.
Example one
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a flowchart of a flow monitoring method for a refrigeration unit according to an embodiment of the present invention, fig. 2 is a block diagram of a flow monitoring device for a refrigeration unit according to an embodiment of the present invention, and fig. 3 is a schematic diagram of a flow monitoring device for a refrigeration unit according to an embodiment of the present invention. The embodiment of the invention provides a flow monitoring method for a refrigerating unit, which comprises the following steps:
step S100, obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information;
the step of obtaining the cooling water flow value information collected by the cooling water detector and the chilled water flow value information collected by the chilled water detector in each set of target refrigerating unit comprises the following steps: a cooling water detector is arranged in a pipeline of each set of target refrigerating unit, which is communicated with a cooling water pump 5 and a condenser 6, and cooling water flow value information is acquired through the cooling water detector, wherein the cooling water detector adopts a flow sensor or a differential pressure sensor; the cooling water pump 5 is connected with a first electromagnetic speed regulator 4, the first electromagnetic speed regulator 4 is connected with a motor 3, the motor 3 is connected with an electromagnetic clutch 2, and the electromagnetic clutch 2 is connected with the compressor 1; a chilled water detector is arranged in a pipeline of each set of target refrigerating unit, which is communicated with a chilled water pump 8 and an evaporator 9, and is used for collecting chilled water flow value information, wherein the chilled water detector adopts a flow sensor or a differential pressure sensor, the chilled water pump 8 is connected with a second electromagnetic speed regulator 7, and the second electromagnetic speed regulator 7 is connected with the motor 3.
Specifically, the target refrigerating unit may refer to a chilled water refrigerating unit that requires monitoring and adjusting of the flow rate of chilled water and the flow rate of cooling water in a large-scale application of the chilled water refrigerating unit. The equipment identification information refers to numbers corresponding to a plurality of chilled water refrigerating units respectively, if 30 sets of chilled water refrigerating units exist, each set of chilled water refrigerating unit can be numbered as C1, C2, C3, C4.. C29 and C30 respectively, each set of chilled water refrigerating unit can be a refrigerating unit integrating a refrigerator and a circulating water pump, the refrigerating unit integrating the refrigerator and the circulating water pump can comprise a compressor 1, an electromagnetic clutch 2, a motor 3, a first electromagnetic speed regulator 4, a cooling water pump 5, a condenser 6, a second electromagnetic speed regulator 7, a chilled water pump 8 and an evaporator 9, the electromagnetic clutch 2 is connected with the compressor 1, and the motor 3 is connected with the electromagnetic clutch 2; the first electromagnetic speed regulator 4 is connected with the motor 3; the cooling water pump 5 is connected with the first electromagnetic speed regulator 4, and the first electromagnetic speed regulator 4 is used for regulating the speed of the cooling water pump 5; the condenser 6 is respectively connected with the cooling water pump 5 and the compressor 1; the second electromagnetic speed regulator 7 is connected with the motor 3; the chilled water pump 8 is connected with a second electromagnetic speed regulator 7, and the second electromagnetic speed regulator 7 is used for regulating the speed of the chilled water pump 8; the evaporator 9 is connected to the chilled water pump 8 and the compressor 1, respectively. Thus, the cooling water is firstly sucked by the pump head of the cooling water pump 5, then enters the condenser 6 through the impeller, and then flows into the cooling tower from the condenser 6. The chilled water is sucked by a pump head of a chilled water pump 8, and then is pressed into an evaporator 9 by an impeller to exchange heat and then flows into an external system. Because the compressor 1 is driven by the motor 3 through the electromagnetic clutch 2, and the motor 3 drives the cooling water pump 5 and the chilled water pump 8, the motor 3 which is used as a driving part of the compressor 1 also provides power sources for the cooling water pump 5 and the chilled water pump 8, and the compressor 1, the electromagnetic clutch 2, the motor 3, the first electromagnetic speed regulator 4, the cooling water pump 5, the condenser 6, the second electromagnetic speed regulator 7, the chilled water pump 8 and the evaporator 9 are arranged on one machine body. The target refrigerating unit may further include a cooling water detector and a chilled water detector, and by installing the cooling water detector on a pipe between the cooling water pump 5 and the condenser 6 through which cooling water flows, the flow of the cooling water can be monitored by adopting a cooling water detector, the cooling water flow value information of the cooling water is collected in real time, the cooling water flow value information refers to the numerical value of the flow of the cooling water in the pipeline between the cooling water pump 5 and the condenser 6, by installing the chilled water detector on the pipe between the chilled water pump 8 and the evaporator 9 through which the chilled water flows, the flow of the chilled water can be monitored by a chilled water detector, and the chilled water flow value information of the chilled water is collected in real time, wherein the chilled water flow value information refers to the numerical value of the flow of the chilled water in the pipeline between the chilled water pump 8 and the evaporator 9. Then, the obtained cooling water flow value information and chilled water flow value information in each set of target refrigerating unit are provided for the following step S110, and corresponding equipment identification information is obtained.
Step S110, comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation of the preset basic identification information, cooling water threshold value range, chilled water threshold value range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range;
comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the corresponding relationship among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; and comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range or not, wherein the judgment comprises the following steps: importing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of each set of target refrigerating unit; storing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of the same set of target refrigerating unit into a data set; when the fact that the obtained corresponding equipment identification information is matched with the basic identification information in the data set is detected, comparing the cooling water threshold value range in the data set with the obtained cooling water flow value information to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range or not; and comparing the freezing water threshold range in the data set with the obtained freezing water flow value information to judge whether the freezing water flow value information is in the corresponding freezing water threshold range.
Specifically, after the cooling water flow value information and the chilled water flow value information in each set of target refrigerator units are obtained through the step S100, and the corresponding equipment identification information is obtained, the preset basic identification information, the cooling water threshold range, the chilled water threshold range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerator units can be introduced, the cooling water threshold range refers to the normal flow range (or the parameter of the cooling water threshold range can be preset manually) corresponding to the cooling water flow in each set of target refrigerator units, the cooling water flow in the chilled water refrigerator unit with the number of C1 is the value B1, the cooling water flow in the chilled water refrigerator unit with the number of C1 needs to be in accordance with the normal flow range of a1 (i.e. the first threshold value) to a2, i.e. a1 is not less than B1 and not more than a2, the cooling water flow in the chilled water refrigerator unit with the number of C1 is in the normal state, if B1 is less than A1 or A2 is less than B1, the flow of the cooling water in the chilled water refrigerator set with the number of C1 is in an abnormal state; the chilled water threshold range refers to a normal flow range (parameters of the chilled water threshold range can also be preset manually) corresponding to the chilled water flow rate in each set of target refrigerating unit, when the chilled water flow rate acquired in real time in the chilled water refrigerating unit with the serial number of C1 is a value B2, the chilled water flow rate in the chilled water refrigerating unit with the serial number of C1 needs to meet the normal flow range of A3-A4, namely A3 is not less than B2 is not less than A4, the chilled water flow rate in the chilled water refrigerating unit with the serial number of C1 is in a normal state, and if B2 is less than A3 or A4 is less than B2, the chilled water flow rate in the chilled water refrigerating unit with the serial number of C1 is in an abnormal state;
it should be noted that cooling water pipe coordinate graph information refers to the above-mentioned serial number is the coordinate graph of the actual position that cooling water pipe located in the refrigerated water refrigerating unit of C1, because large-scale with the refrigerated water refrigerating unit installation back, the pipeline is complicated among the numerous refrigerated water refrigerating unit, can establish this set of refrigerated water refrigerating unit in the refrigerated water refrigerating unit according to the actual position that cooling water pipe located in every set of refrigerated water refrigerating unit after the installation's, be convenient for like this show the cooling water pipe actual position that corresponds when cooling water flow is in abnormal condition, be favorable to operating personnel to come to carry out real time monitoring to the numerous refrigerated water refrigerating unit of quantity, also be favorable to carrying out artifical the audit to this cooling water pipe, and improve maintenance efficiency. The chilled water pipeline coordinate map information may also be a coordinate map of the actual position of the chilled water pipeline in the chilled water chiller unit numbered C1. The basic identification information is a storage name of the target refrigerator group corresponding to a data group when the cooling water threshold range, the chilled water threshold range, the cooling water pipe coordinate graph information and the chilled water pipe coordinate graph information of the same target refrigerator group form the data group, for example, the cooling water threshold range, the chilled water threshold range, the cooling water pipe coordinate graph information and the chilled water pipe coordinate graph information in the chilled water refrigerator group with the number of C1 are stored in a data folder, the name of the data folder is defined as C01, the C01 is the basic identification information corresponding to the chilled water refrigerator group with the number of C1, so that after the data groups corresponding to a large number of chilled water refrigerator groups are stored, the device identification information C1 obtained in the step S100 is compared with the basic identification information in the large number of data groups one by one, whether the equipment identification information C1 is matched with the basic identification information in the data set is judged, if the compared basic identification information in the data set is C02, the equipment identification information is not matched, if the compared basic identification information in the data set is C01, the equipment identification information is matched with the basic identification information in the data set, at this time, a cooling water threshold range in the data set of which the basic identification information is C01 is called, and the cooling water flow value information is compared with the cooling water threshold range to judge whether the cooling water flow value information B1 is in the corresponding cooling water threshold range (namely A1 to A2). And meanwhile, calling out a freezing water threshold range in a data group with basic identification information of C01, and comparing the freezing water flow value information with the freezing water threshold range to judge whether the freezing water flow value information B2 is in the corresponding freezing water threshold range (namely A3 to A4).
Step S120, if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump 5 through the corresponding first electromagnetic speed regulator 4 according to the cooling water flow adjusting information;
if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow regulation information and corresponding cooling water pipeline coordinate graph information, and regulating the rotating speed of the cooling water pump 5 through the corresponding first electromagnetic speed regulator 4 according to the cooling water flow regulation information comprises the following steps: if the cooling water flow value information is smaller than a first threshold value, outputting first rotating speed increasing information, increasing the rotating speed of a cooling water pump 5 through a corresponding first electromagnetic speed regulator 4 according to the first rotating speed increasing information, and outputting and displaying corresponding cooling water pipeline coordinate graph information; wherein the minimum value in the first threshold range is a first threshold. Judging whether the output and displayed corresponding cooling water pipeline coordinate graph information is selected; if the water flow value is selected, the cooling water flow value information is output. Whether the corresponding cooling water pipeline coordinate graph information of judging output show is chosen includes: and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
If the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow regulation information and corresponding cooling water pipeline coordinate graph information, and regulating the rotating speed of the cooling water pump 5 through the corresponding first electromagnetic speed regulator 4 according to the cooling water flow regulation information comprises the following steps: if the cooling water flow value information is larger than a first threshold value, outputting first rotating speed reduction information, reducing the rotating speed of the cooling water pump 5 through a corresponding first electromagnetic speed regulator 4 according to the first rotating speed reduction information, and outputting and displaying corresponding first pipeline coordinate graph information; wherein the maximum value in the first threshold range is a chilled water threshold. Judging whether the output and displayed corresponding chilled water pipeline coordinate graph information is selected or not; if the flow rate is selected, the flow rate value information of the chilled water is output. Whether the corresponding cooling water pipeline coordinate graph information of judging output show is chosen includes: and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
Specifically, when the obtained cooling water flow rate value information is compared with the corresponding cooling water threshold value range in step S110 to determine whether the cooling water flow rate value information is within the corresponding cooling water threshold value range, if the cooling water flow rate value information is not within the corresponding cooling water threshold value range, that is, B1 is smaller than a1, first rotational speed increasing information is output, where the first rotational speed increasing information is a signal that the rotational speed of the cooling water pump 5 can be increased by the first electromagnetic speed governor 4 in the chilled water chiller unit with the number of C1, and when the first rotational speed increasing information is received again by the first electromagnetic speed governor 4, the rotational speed of the cooling water pump 5 can be increased by the first electromagnetic speed governor 4 so that a1 is not less than B1 and not more than a2, that is the cooling water flow rate is restored to a normal state, and then the cooling water flow rate in the chilled water chiller unit in an abnormal state is timely adjusted, the flow of cooling water in the chilled water refrigeration unit can meet the actual requirement (the actual requirement can be actually determined according to factors such as the temperature difference of water and the like, namely, the threshold range of the cooling water can also be manually set). Meanwhile, when B1 < a1, the corresponding cooling water pipeline coordinate graph information may also be output and displayed, for example, the cooling water pipeline coordinate graph information in the data group with the basic identification information of C02 is output and displayed through a display, and the display may also be a handheld terminal device such as a mobile phone. In order to improve the operation safety of a plurality of chilled water refrigerator units, the stay time of the cooling water pipeline coordinate graph information for output display can be compared with a preset time threshold, the stay time of the cooling water pipeline coordinate graph information for output display in a display is T1, the preset time threshold is T2, and when T1 is greater than T2, the cooling water pipeline coordinate graph information at the moment is displayed in red, so that the cooling water pipeline in an abnormal state for a long time can be highlighted in the display, an operator is warned to pay attention to the flow of the cooling water in the cooling water pipeline, and the target refrigerator unit with faults or needing manual adjustment intervention is automatically identified.
And step S130, if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump 8 through the corresponding second electromagnetic speed regulator 7 according to the chilled water flow regulation information.
Specifically, when the obtained chilled water flow value information is compared with the corresponding chilled water threshold range in step S110 to determine whether the chilled water flow value information is within the corresponding chilled water threshold range, if the chilled water flow value information is not within the corresponding chilled water threshold range, that is, B2 is less than A3, chilled water flow adjustment information (for example, a signal for increasing the rotation speed of the chilled water pump 8 by the second electromagnetic speed regulator 7 in the chilled water chiller unit with the number of C1) is output, when the chilled water flow adjustment information is received by the second electromagnetic speed regulator 7, the chilled water pump 8 can be increased by the second electromagnetic speed regulator 7 to indicate the corresponding rotation speed, or the chilled water pump 8 can be decreased by the second electromagnetic speed regulator 7 to indicate the corresponding rotation speed, that is to return the chilled water flow to the normal state, so as to timely adjust the chilled water flow in the chilled water chiller unit in the abnormal state, the flow of the chilled water in the chilled water refrigerating unit can meet the actual requirement in the production process.
The invention provides a flow monitoring method for refrigerating units, which comprises the steps of obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information; comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump 5 through a corresponding first electromagnetic speed regulator 4 according to the cooling water flow adjusting information; and if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump 8 through the corresponding second electromagnetic speed regulator 7 according to the chilled water flow regulation information. Like this in numerous refrigerated water refrigerating unit, can in time carry out real time monitoring to the flow of refrigerated water and the flow of cooling water in every set of refrigerated water refrigerating unit to the realization takes place the refrigerated water refrigerating unit of anomaly to the flow of refrigerated water and the flow of cooling water and in time adjusts, and the guarantee numerous refrigerated water refrigerating unit can long-term normal operating. Therefore, the technical effects that the flow of chilled water and the flow of cooling water in a large number of chilled water refrigerating units can be timely monitored and adjusted, and the operation safety is improved are achieved.
In order to describe the flow monitoring device for the refrigerating unit in detail, the embodiment describes the flow monitoring method for the refrigerating unit in detail, and based on the same inventive concept, the application also provides the flow monitoring device for the refrigerating unit, which is described in detail in the second embodiment.
Example two
The second embodiment of the invention provides a flow monitoring device for a refrigerating unit, which comprises a flow value acquisition module 200, a flow monitoring module and a flow monitoring module, wherein the flow value acquisition module 200 is used for acquiring cooling water flow value information acquired by a cooling water detector and chilled water flow value information acquired by a chilled water detector in each set of target refrigerating unit and acquiring corresponding equipment identification information;
a determining module 300, configured to compare the obtained cooling water flow value information with a corresponding cooling water threshold range according to the obtained cooling water flow value information, chilled water flow value information, and corresponding equipment identification information, and according to a preset corresponding relationship between basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information, and chilled water pipeline coordinate graph information of each set of target refrigeration unit, to determine whether the cooling water flow value information is within the corresponding cooling water threshold range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range;
the cooling water adjusting module 400 is configured to output cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information if the cooling water flow value information is not within the corresponding cooling water threshold range, and adjust the rotation speed of the cooling water pump 5 through the corresponding first electromagnetic speed regulator 4 according to the cooling water flow adjusting information;
and the chilled water regulating module 500 is used for outputting chilled water flow regulating information and corresponding chilled water pipeline coordinate graph information if the chilled water flow value information is not in the corresponding chilled water threshold range, and regulating the rotating speed of the chilled water pump 8 through the corresponding second electromagnetic speed regulator 7 according to the chilled water flow regulating information.
The invention provides a flow monitoring device for refrigerating units, which is used for acquiring cooling water flow value information acquired by a cooling water detector and chilled water flow value information acquired by a chilled water detector in each set of target refrigerating unit through a flow value acquisition module 200 and acquiring corresponding equipment identification information; the judging module 300 is configured to compare the obtained cooling water flow value information with a corresponding cooling water threshold range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information, and according to a corresponding relationship between preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of each set of target refrigeration unit, to judge whether the cooling water flow value information is within the corresponding cooling water threshold range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range; the cooling water regulating module 400 is configured to output cooling water flow regulating information and corresponding cooling water pipeline coordinate graph information if the cooling water flow value information is not within the corresponding cooling water threshold range, and regulate the rotation speed of the cooling water pump 5 through the corresponding first electromagnetic speed regulator 4 according to the cooling water flow regulating information; the chilled water regulating module 500 is configured to output chilled water flow regulating information and corresponding chilled water pipeline coordinate graph information if the chilled water flow value information is not within the corresponding chilled water threshold range, and regulate the rotating speed of the chilled water pump 8 through the corresponding second electromagnetic speed regulator 7 according to the chilled water flow regulating information. Like this in numerous refrigerated water refrigerating unit, can in time carry out real time monitoring to the flow of refrigerated water and the flow of cooling water in every set of refrigerated water refrigerating unit to the realization takes place the refrigerated water refrigerating unit of anomaly to the flow of refrigerated water and the flow of cooling water and in time adjusts, and the guarantee numerous refrigerated water refrigerating unit can long-term normal operating. Therefore, the technical effects that the flow of chilled water and the flow of cooling water in a large number of chilled water refrigerating units can be timely monitored and adjusted, and the operation safety is improved are achieved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A flow monitoring method for a refrigeration unit, the method comprising:
obtaining cooling water flow value information collected by a cooling water detector and chilled water flow value information collected by a chilled water detector in each set of target refrigerating unit, and obtaining corresponding equipment identification information;
comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, chilled water flow value information and corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range;
if the cooling water flow value information is not in the corresponding cooling water threshold value range, outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information, and adjusting the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the cooling water flow adjusting information;
and if the chilled water flow value information is not in the corresponding chilled water threshold value range, outputting chilled water flow regulation information and corresponding chilled water pipeline coordinate graph information, and regulating the rotating speed of the chilled water pump through a corresponding second electromagnetic speed regulator according to the chilled water flow regulation information.
2. The flow monitoring method for chiller units as set forth in claim 1, wherein said obtaining of the cooling water flow value information collected by the cooling water detector and the chilled water flow value information collected by the chilled water detector in each target chiller unit comprises:
installing a cooling water detector in a pipeline of each set of target refrigerating unit, wherein the pipeline is communicated with a cooling water pump and a condenser, and collecting cooling water flow value information through the cooling water detector, wherein the cooling water detector adopts a flow sensor or a differential pressure sensor; the cooling water pump is connected with a first electromagnetic speed regulator, the first electromagnetic speed regulator is connected with a motor, the motor is connected with an electromagnetic clutch, and the electromagnetic clutch is connected with a compressor;
and a chilled water detector is arranged in a pipeline of each set of target refrigerating unit, which is communicated with the chilled water pump and the evaporator, and is used for collecting chilled water flow value information, wherein the chilled water detector adopts a flow sensor or a differential pressure sensor, the chilled water pump is connected with a second electromagnetic speed regulator, and the second electromagnetic speed regulator is connected with the motor.
3. The flow rate monitoring method for refrigerating unit set according to claim 1, wherein the obtained cooling water flow rate value information is compared with the corresponding cooling water threshold value range according to the preset corresponding relationship among the basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit set to determine whether the cooling water flow rate value information is within the corresponding cooling water threshold value range; and comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range or not, wherein the judgment comprises the following steps:
importing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of each set of target refrigerating unit;
storing preset basic identification information, a cooling water threshold range, a chilled water threshold range, cooling water pipeline coordinate graph information and chilled water pipeline coordinate graph information of the same set of target refrigerating unit into a data set;
when the fact that the obtained corresponding equipment identification information is matched with the basic identification information in the data set is detected, comparing the cooling water threshold value range in the data set with the obtained cooling water flow value information to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range or not; and comparing the freezing water threshold range in the data set with the obtained freezing water flow value information to judge whether the freezing water flow value information is in the corresponding freezing water threshold range.
4. The flow monitoring method for a refrigeration unit according to claim 1, wherein if the cooling water flow rate value information is not within the corresponding cooling water threshold value range, the cooling water flow rate adjustment information and the corresponding cooling water pipeline coordinate map information are output, and the adjusting the rotation speed of the cooling water pump by the corresponding first electromagnetic governor according to the cooling water flow rate adjustment information comprises:
if the cooling water flow value information is smaller than a first threshold value, outputting first rotating speed increasing information, increasing the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the first rotating speed increasing information, and outputting and displaying corresponding cooling water pipeline coordinate graph information; wherein the minimum value in the first threshold range is a first threshold.
5. The flow rate monitoring method for a refrigeration unit as set forth in claim 4 wherein:
judging whether the output and displayed corresponding cooling water pipeline coordinate graph information is selected;
if the water flow value is selected, the cooling water flow value information is output.
6. The flow monitoring method for a refrigeration unit as set forth in claim 5 wherein said determining whether the corresponding cooling water conduit map information presented by the output is selected comprises:
and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
7. The flow monitoring method for a refrigeration unit according to claim 1, wherein if the cooling water flow rate value information is not within the corresponding cooling water threshold value range, the cooling water flow rate adjustment information and the corresponding cooling water pipeline coordinate map information are output, and the adjusting the rotation speed of the cooling water pump by the corresponding first electromagnetic governor according to the cooling water flow rate adjustment information comprises:
if the cooling water flow value information is larger than a first threshold value, outputting first rotating speed reduction information, reducing the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the first rotating speed reduction information, and outputting and displaying corresponding first pipeline coordinate graph information; wherein the maximum value in the first threshold range is a chilled water threshold.
8. The flow monitoring method for a refrigeration unit as set forth in claim 7 wherein:
judging whether the output and displayed corresponding chilled water pipeline coordinate graph information is selected or not;
if the flow rate is selected, the flow rate value information of the chilled water is output.
9. The flow monitoring method for a refrigeration unit as set forth in claim 8 wherein said determining whether the corresponding cooling water conduit map information presented by the output is selected comprises:
and when the staying time of the cooling water pipeline coordinate graph information is greater than a preset time threshold, displaying the cooling water pipeline coordinate graph information in red.
10. A flow monitoring device for a refrigeration unit, the device comprising:
the flow value acquisition module is used for acquiring cooling water flow value information acquired by a cooling water detector and chilled water flow value information acquired by a chilled water detector in each set of target refrigerating unit and acquiring corresponding equipment identification information;
the judging module is used for comparing the obtained cooling water flow value information with the corresponding cooling water threshold value range according to the obtained cooling water flow value information, the obtained chilled water flow value information and the corresponding equipment identification information and according to the corresponding relation among the preset basic identification information, the cooling water threshold value range, the chilled water threshold value range, the cooling water pipeline coordinate graph information and the chilled water pipeline coordinate graph information of each set of target refrigerating unit so as to judge whether the cooling water flow value information is in the corresponding cooling water threshold value range; comparing the chilled water flow value information with the corresponding chilled water threshold range to judge whether the chilled water flow value information is in the corresponding chilled water threshold range;
the cooling water adjusting module is used for outputting cooling water flow adjusting information and corresponding cooling water pipeline coordinate graph information if the cooling water flow value information is not in the corresponding cooling water threshold range, and adjusting the rotating speed of the cooling water pump through a corresponding first electromagnetic speed regulator according to the cooling water flow adjusting information;
and the chilled water regulating module is used for outputting chilled water flow regulating information and corresponding chilled water pipeline coordinate graph information if the chilled water flow value information is not in the corresponding chilled water threshold range, and regulating the rotating speed of the chilled water pump through a corresponding second electromagnetic speed regulator according to the chilled water flow regulating information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160316.3A CN114087723A (en) | 2021-09-30 | 2021-09-30 | Flow monitoring method and device for refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160316.3A CN114087723A (en) | 2021-09-30 | 2021-09-30 | Flow monitoring method and device for refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114087723A true CN114087723A (en) | 2022-02-25 |
Family
ID=80296432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111160316.3A Pending CN114087723A (en) | 2021-09-30 | 2021-09-30 | Flow monitoring method and device for refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114087723A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793746A (en) * | 2005-12-31 | 2006-06-28 | 东莞市广大制冷有限公司 | Method for automatic regulating and controlling cooling water and frozen water flow of central air conditioning system |
| CN101140096A (en) * | 2007-10-18 | 2008-03-12 | 苏州艾隆科技有限公司 | electricity economizer centralized management method and system of central air-conditioning |
| CN201318766Y (en) * | 2008-09-18 | 2009-09-30 | 日滔贸易（上海）有限公司 | Energy consumption control apparatus for cooling water pump of refrigeration system of central air conditioner |
| JP2014035148A (en) * | 2012-08-09 | 2014-02-24 | Ntt Facilities Inc | Air conditioning system |
| CN106440247A (en) * | 2016-10-27 | 2017-02-22 | 重庆美的通用制冷设备有限公司 | Large-scale central air-conditioning management system |
| CN106599144A (en) * | 2016-12-06 | 2017-04-26 | 武汉虹信技术服务有限责任公司 | Monitoring and recording method for operational dynamics of equipment used for intelligent building project |
| CN206469439U (en) * | 2016-12-27 | 2017-09-05 | 曹金鹏 | A kind of refrigeration station unit control apparatus for central air-conditioning |
| CN108592291A (en) * | 2018-05-09 | 2018-09-28 | 深圳达实智能股份有限公司 | A kind of method and system judging water pump of air conditioner efficiency by flow and pressure difference |
| CN110285529A (en) * | 2019-07-05 | 2019-09-27 | 珠海格力电器股份有限公司 | Automatic configuration method, equipment, terminal and system for central air conditioner terminal equipment |
| CN111260086A (en) * | 2020-01-13 | 2020-06-09 | 五邑大学 | BIM-based central air conditioner operation and maintenance method, system and device |
| CN111692681A (en) * | 2020-05-26 | 2020-09-22 | 中铁第四勘察设计院集团有限公司 | Digital air-conditioning water system and evaluation method |
| CN113154644A (en) * | 2021-01-28 | 2021-07-23 | 珠海格力电器股份有限公司 | Equipment information display method and device, storage medium and terminal |
-
2021
- 2021-09-30 CN CN202111160316.3A patent/CN114087723A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793746A (en) * | 2005-12-31 | 2006-06-28 | 东莞市广大制冷有限公司 | Method for automatic regulating and controlling cooling water and frozen water flow of central air conditioning system |
| CN101140096A (en) * | 2007-10-18 | 2008-03-12 | 苏州艾隆科技有限公司 | electricity economizer centralized management method and system of central air-conditioning |
| CN201318766Y (en) * | 2008-09-18 | 2009-09-30 | 日滔贸易（上海）有限公司 | Energy consumption control apparatus for cooling water pump of refrigeration system of central air conditioner |
| JP2014035148A (en) * | 2012-08-09 | 2014-02-24 | Ntt Facilities Inc | Air conditioning system |
| CN106440247A (en) * | 2016-10-27 | 2017-02-22 | 重庆美的通用制冷设备有限公司 | Large-scale central air-conditioning management system |
| CN106599144A (en) * | 2016-12-06 | 2017-04-26 | 武汉虹信技术服务有限责任公司 | Monitoring and recording method for operational dynamics of equipment used for intelligent building project |
| CN206469439U (en) * | 2016-12-27 | 2017-09-05 | 曹金鹏 | A kind of refrigeration station unit control apparatus for central air-conditioning |
| CN108592291A (en) * | 2018-05-09 | 2018-09-28 | 深圳达实智能股份有限公司 | A kind of method and system judging water pump of air conditioner efficiency by flow and pressure difference |
| CN110285529A (en) * | 2019-07-05 | 2019-09-27 | 珠海格力电器股份有限公司 | Automatic configuration method, equipment, terminal and system for central air conditioner terminal equipment |
| CN111260086A (en) * | 2020-01-13 | 2020-06-09 | 五邑大学 | BIM-based central air conditioner operation and maintenance method, system and device |
| CN111692681A (en) * | 2020-05-26 | 2020-09-22 | 中铁第四勘察设计院集团有限公司 | Digital air-conditioning water system and evaluation method |
| CN113154644A (en) * | 2021-01-28 | 2021-07-23 | 珠海格力电器股份有限公司 | Equipment information display method and device, storage medium and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111006355B (en) | Air conditioning unit and running state monitoring method and device thereof | |
| US20200386430A1 (en) | Method and system for proactively and remotely diagnosing an hvac system | |
| CN110296547A (en) | A kind of multi-connected machine method for controlling oil return, system and air conditioner | |
| CN101634472B (en) | Variable frequency air conditioner and frequency control method thereof | |
| JP4479565B2 (en) | Anomaly detection system | |
| US20080234869A1 (en) | Remote Performance Monitor and Remote Performance Monitoring Method | |
| CN110557930B (en) | Data center cooling system and control method | |
| CN103575006A (en) | Low-temperature refrigeration type air-cooling water chilling unit and control method thereof | |
| CN202853051U (en) | Air conditioner | |
| KR20120024351A (en) | Performance evaluation device of turbo refrigerator | |
| CN105423487B (en) | A kind of information processing method and temperature control equipment | |
| CN109882989A (en) | Air conditioner and its control method | |
| CN202300974U (en) | Performance testing device of refrigerant compressor | |
| CN110848898B (en) | Control method for preventing air conditioner load conversion from stopping, computer readable storage medium and air conditioner | |
| CN104676856A (en) | Air conditioner and refrigeration control method thereof | |
| CN105157295A (en) | Refrigeration system and control method and control device thereof | |
| CN114087723A (en) | Flow monitoring method and device for refrigerating unit | |
| CN206377813U (en) | A kind of controlling system of central air conditioner | |
| EP3280917B1 (en) | Method for monitoring a surge in a fluid device and refrigeration system | |
| JP2018071955A (en) | Air-conditioner | |
| CN112212462B (en) | Air conditioner and control method thereof | |
| CN109931679A (en) | A kind of more air-conditioning automatic control systems and method of cold passage separation machine room | |
| CN204787041U (en) | Intelligence control system of cooling water set | |
| CN209470391U (en) | A kind of direct-evaporation-type supercooling water control system | |
| CN108583270B (en) | Multi-axle special off-road vehicle temperature regulating system and multi-axle special off-road vehicle |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220225 |