CN118408312A - Portable energy efficiency detection and analysis system for refrigeration machine room - Google Patents

Portable energy efficiency detection and analysis system for refrigeration machine room Download PDF

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Publication number
CN118408312A
CN118408312A CN202410762485.1A CN202410762485A CN118408312A CN 118408312 A CN118408312 A CN 118408312A CN 202410762485 A CN202410762485 A CN 202410762485A CN 118408312 A CN118408312 A CN 118408312A
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CN
China
Prior art keywords
data
energy efficiency
machine room
energy
chilled water
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
Application number
CN202410762485.1A
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Chinese (zh)
Inventor
徐小平
王旋
周磊
杨财
蔡春良
谭宇龙
李清华
黄雨霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction Third Engineering Bureau Second Construction And Installation Co ltd
Second Construction Engineering Co Ltd of China Construction Third Engineering Division
Original Assignee
China Construction Third Engineering Bureau Second Construction And Installation Co ltd
Second Construction Engineering Co Ltd of China Construction Third Engineering Division
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Application filed by China Construction Third Engineering Bureau Second Construction And Installation Co ltd, Second Construction Engineering Co Ltd of China Construction Third Engineering Division filed Critical China Construction Third Engineering Bureau Second Construction And Installation Co ltd
Priority to CN202410762485.1A priority Critical patent/CN118408312A/en
Publication of CN118408312A publication Critical patent/CN118408312A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/05Cost reduction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/09Improving heat transfers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/18Optimization, e.g. high integration of refrigeration components

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention provides a portable energy efficiency detection and analysis system for a refrigeration machine room, which belongs to the technical field of the Internet of things and comprises the following components: the cloud server is used for detecting and analyzing the energy efficiency data of the refrigerating machine room to obtain an energy efficiency report; the energy efficiency data comprise the cooling capacity of a refrigerating machine room; the data acquisition controller is used for uploading the acquired energy efficiency data of the refrigerating machine room to the cloud server; a protocol conversion module; the energy meter is used for collecting chilled water supply and return water temperature data and chilled water flow data, converting the chilled water supply and return water temperature data and the chilled water flow data into cold energy, and sending the cold energy to the data collection controller through the protocol conversion module. According to the invention, the energy meter is used for uploading the cold energy data of the refrigerating machine room, and the cloud server is used for analyzing and processing, so that the technical problem that the energy efficiency of the whole refrigerating machine room cannot be calculated through effective data in the prior art, the energy efficiency result is more intuitively given, and the function of generating an energy efficiency report is solved.

Description

Portable energy efficiency detection and analysis system for refrigeration machine room
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a portable energy efficiency detection and analysis system for a refrigeration machine room.
Background
Building energy efficiency is more and more paid attention to, and an air conditioning system is a building energy consumption consumer, wherein the energy consumption of a refrigeration machine room exceeds 60% in the air conditioning system. And a huge amount of refrigerating machine rooms exist in China, the intelligent degree is low, and the knowledge of the existing energy efficiency level is the key for realizing energy conservation and efficiency improvement subsequently. Therefore, the energy efficiency of the built refrigeration machine room is simply and quickly obtained, so that people can know the energy consumption condition of the machine room, and reasonable energy-saving control strategies, equipment maintenance schemes, system energy efficiency improvement and improvement schemes and the like are formulated.
The traditional diagnosis measurement measures generally judge the running condition of the unit by checking the running parameters displayed on the main equipment panel in the machine room, and cannot calculate the energy efficiency of the whole refrigerating machine room through effective data, so that an energy efficiency result is more intuitively given, and an energy efficiency report is generated.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a portable energy efficiency detection and analysis system for a refrigeration machine room, so as to solve the technical problem that the energy efficiency of the whole refrigeration machine room cannot be calculated through effective data in the prior art, and the energy efficiency result is more intuitively given, so as to generate an energy efficiency report.
In order to solve the above problems, the present invention provides a portable energy efficiency detection and analysis system for a refrigeration machine room, including:
the cloud server is used for detecting and analyzing the energy efficiency data of the refrigerating machine room to obtain an energy efficiency report; the energy efficiency data comprise the cooling capacity of a refrigerating machine room;
the data acquisition controller is used for uploading the acquired energy efficiency data of the refrigerating machine room to the cloud server;
a protocol conversion module;
The energy meter is used for collecting chilled water supply and return water temperature data and chilled water flow data, converting the chilled water supply and return water temperature data and the chilled water flow data into cold energy, and sending the cold energy to the data collection controller through the protocol conversion module.
In one possible implementation, the energy meter includes: two temperature sensors, two flow sensors and a flow integrating instrument;
the two temperature sensors are respectively arranged on the outer walls of the chilled water supply pipe and the return water pipe of the refrigeration machine room and are used for collecting chilled water supply and return water temperature data;
The two flow sensors are respectively arranged on the main pipe straight pipe of the chilled water backwater and are used for collecting chilled water flow data;
the flow integrating instrument is used for converting the chilled water supply and return water temperature data and the chilled water flow data into cold energy and sending the cold energy to the data acquisition controller through the protocol conversion module.
In one possible implementation, the temperature sensor is a patch type temperature sensor.
In one possible implementation, the flow sensor is a clip-on flow sensor.
In one possible implementation manner, the portable energy efficiency detection and analysis system of the refrigeration machine room further comprises: a current transformer;
the current transformer is arranged on the power cabinet electric loop of the refrigeration machine room and is used for collecting current data of the power cabinet electric loop and uploading the current data to the data collection controller through the protocol conversion module; the energy efficiency data further includes: the current data.
In one possible implementation, the current transformer is an open-ended current transformer.
In one possible implementation manner, the portable energy efficiency detection and analysis system of the refrigeration machine room further comprises: a remote electricity meter;
The remote electric meter is in communication connection with the protocol conversion module through a Modbus protocol port and is used for collecting electric energy data of the refrigerating machine room and uploading the electric energy data to the data collection controller through the protocol conversion module; the energy efficiency data further includes: the electrical energy data.
In one possible implementation manner, the portable energy efficiency detection and analysis system of the refrigeration machine room further comprises: the communication ammeter box, the current transformer with the teletransmission ammeter all set up in the communication ammeter box.
In one possible implementation, the protocol conversion module is communicatively coupled to the energy meter and the remote meter via a Modbus protocol port and to the data acquisition controller via a BacNet protocol port.
In one possible implementation manner, the cloud server is configured to perform classification statistics on the received data according to the load of the time period, or perform statistical analysis according to a custom configuration classification method, so as to obtain an energy efficiency report, and is further configured to send the energy efficiency report to a terminal device for display.
The beneficial effects of the implementation mode are that: according to the portable energy efficiency detection analysis system for the refrigerating machine room, the refrigerating water supply and return water temperature data and the refrigerating water flow data are collected through the energy meter, the refrigerating water supply and return water temperature data and the refrigerating water flow data are converted into cold energy, the cold energy is sent to the data collection controller through the protocol conversion module, the cold energy of the refrigerating machine room is sent to the cloud server through the data collection controller, the cloud server detects and analyzes the energy efficiency data of the refrigerating machine room to obtain the energy efficiency report, the cloud server can automatically collect and analyze the energy efficiency data such as the cold energy and the like through the energy meter, and the calculated energy efficiency report can more intuitively give an energy efficiency result, so that the technical problems that the energy efficiency of the whole refrigerating machine room cannot be calculated through effective data in the prior art, the energy efficiency result is more intuitively given, and the function of the energy efficiency report is generated are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a portable energy efficiency detection and analysis system for a refrigeration machine room according to an embodiment of the present invention;
Fig. 2 is a schematic diagram of the position distribution of each module of the portable energy efficiency detection analysis system of the refrigeration machine room in the detection box;
Fig. 3 is a schematic structural diagram of another embodiment of a portable energy efficiency detection and analysis system for a refrigeration machine room provided by the present invention;
FIG. 4 is a schematic diagram of a door of the detection box according to the present invention;
Fig. 5 is a configuration diagram of an electric meter box provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or modules is not necessarily limited to those steps or modules that are expressly listed or inherent to such process, method, article, or device.
The naming or numbering of the steps in the embodiments of the present invention does not mean that the steps in the method flow must be executed according to the time/logic sequence indicated by the naming or numbering, and the named or numbered flow steps may change the execution order according to the technical purpose to be achieved, so long as the same or similar technical effects can be achieved.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The invention provides a portable energy efficiency detection and analysis system for a refrigeration machine room, which is described below.
As shown in fig. 1, the present invention provides a portable energy efficiency detection and analysis system for a refrigeration machine room, comprising:
the cloud server 105 is used for detecting and analyzing the energy efficiency data of the refrigerating machine room to obtain an energy efficiency report; the energy efficiency data comprise the cooling capacity of a refrigerating machine room;
The data acquisition controller 103 is configured to upload the acquired energy efficiency data of the refrigeration machine room to the cloud server 105;
a protocol conversion module 102;
The energy meter 101 is configured to collect chilled water supply and return water temperature data and chilled water flow data, convert the chilled water supply and return water temperature data and the chilled water flow data into cold energy, and send the cold energy to the data collection controller 103 through the protocol conversion module 102.
It can be appreciated that, the position distribution of each module of the portable energy efficiency detection analysis system in the refrigerator room in the detection box is shown in fig. 2, the cloud server 105 and the data acquisition controller 103 may be in communication connection through the wireless communication module 104, and the cloud server 105 may be in communication connection with one or more data acquisition controllers 103. The cloud server 105 can detect and analyze the energy efficiency data of the refrigeration machine room according to a preset data analysis and processing template to obtain an energy efficiency report.
The energy meter 101 is in communication connection with the data acquisition controller 103 through the protocol conversion module 102, and the communication interface of the data acquisition controller 103 is different from the communication interface of the energy meter 101, so that the invention adopts the protocol conversion module 102 to perform the conversion of the communication protocol.
Further, the portable energy efficiency detection and analysis system of the refrigeration machine room further comprises: the analysis and diagnosis platform 108 and the terminal equipment 107, the analysis and diagnosis platform 108 is in communication connection with the data acquisition controller 103 through the wireless communication module 104, so that fault diagnosis can be carried out on the collected energy efficiency data of the refrigeration machine room, and whether equipment of the refrigeration machine room has faults or not is judged. The analysis and diagnosis platform 108 may send the fault determination result to the terminal device 107, and the cloud server 105 may send an energy efficiency report to the terminal device 107.
In some embodiments, the system provided by the invention can monitor the temperature value of the water outlet of the refrigerating host and the temperature value of the water outlet of the cooling host, and the accuracy of the temperature of the water supplied and returned by the energy meter monitoring system is reversely verified.
The refrigerating side of the refrigerating host is monitored, the temperature difference between the refrigerating side and the cooling side is judged, the actual heat exchange condition of the system is judged, the factory of common equipment is the heat exchange temperature difference of 0.5 ℃, the pipeline of the refrigerating unit is gradually increased along with the temperature difference, the pipeline is required to be started for cleaning the refrigerating unit by adding medicine and the small ball cleaning device, the equipment is maintained to operate efficiently, the pipeline is required to be stopped when the temperature difference exceeds 4 ℃, the pipeline of the refrigerating unit is required to be stopped, the scale is very serious, the energy efficiency of the system is very low, and a user is reminded to detach and wash the refrigerating unit.
The control key parameter in fig. 1 is a pipeline pressure value, where the pipeline pressure value is related to the frequency of the water pump and also related to the energy consumption, and is one of the reasons for low analysis energy efficiency, so the cloud server 105 can generate an energy efficiency report in combination with the control key parameter.
The butt-clamp type energy meter mainly monitors the temperature and flow of the water supply and return of the refrigerating system and the accumulated cold quantity value, wherein the cold quantity value is obtained by calculating the temperature difference and flow of the water supply and return, and the energy meter can automatically record the accumulated cold quantity value so as to conveniently monitor the cooling condition and calculate the energy efficiency.
In some embodiments, the energy meter 101 comprises: two temperature sensors, two flow sensors and a flow integrating instrument;
the two temperature sensors are respectively arranged on the outer walls of the chilled water supply pipe and the return water pipe of the refrigeration machine room and are used for collecting chilled water supply and return water temperature data;
The two flow sensors are respectively arranged on the main pipe straight pipe of the chilled water backwater and are used for collecting chilled water flow data;
The flow integrating instrument is configured to convert the chilled water supply and return water temperature data and the chilled water flow data into cold energy, and send the cold energy to the data acquisition controller 103 through the protocol conversion module 102.
In some embodiments, the temperature sensor is a patch temperature sensor; the flow sensor is a butt clamp type flow sensor; the current transformer is an open type current transformer.
It will be appreciated that the clamp-on ultrasonic energy meter 101 includes two patch-type temperature sensors, two clamp-on flow sensors, and a flow totalizer. Two patch type temperature sensors are arranged on the outer walls of a chilled water supply pipe and a return water pipe of a main pipe of a refrigeration machine room system, and collect chilled water supply return water temperature data; two opposite-clamping type flow sensors are arranged on a main pipe straight pipe of chilled water backwater, and collect chilled water flow data; the flow integrating instrument converts the collected temperature and flow data of the water supply and return into cold energy, and the cold energy is uploaded to the data acquisition controller 103 through the protocol conversion module 102. The communication ammeter case is placed beside the power cabinet of the equipment, and through installing the open-type current transformer connected with the remote transmission ammeter 106 on the power cabinet electric loop of the corresponding equipment, the power consumption data of the refrigerating unit, the chilled water pump, the cooling water pump and the cooling tower equipment are detected, and then the detection data are uploaded to the data acquisition controller 103 through the Modbus protocol port.
In some embodiments, the refrigeration machine room portable energy efficiency detection analysis system further comprises: a current transformer;
the current transformer is arranged on a power cabinet electric loop of the refrigeration machine room and is used for collecting current data of the power cabinet electric loop and uploading the current data to the data collection controller 103 through the protocol conversion module 102; the energy efficiency data further includes: the current data.
In some embodiments, the refrigeration machine room portable energy efficiency detection analysis system further comprises: a remote electricity meter 106;
The remote electricity meter 106 is in communication connection with the protocol conversion module 102 through a Modbus protocol port, and is used for collecting electric energy data of the refrigeration machine room and uploading the electric energy data to the data collection controller 103 through the protocol conversion module 102; the energy efficiency data further includes: the electrical energy data.
It will be appreciated that, referring to fig. 3, the protocol conversion module 102 and the data collection controller 103 are disposed inside the energy efficiency intelligent detection box (not shown in the figure), the remote electric meter 106 is in communication connection with the protocol conversion module 102 inside the energy efficiency intelligent detection box, and the remote electric meter 106 is further connected with a refrigeration unit distribution cable, a cooling tower distribution cable, a chilled water pump distribution cable and a cooling water pump distribution cable, and collects electric energy data of the refrigeration machine room through each cable.
The remote ammeter is used for collecting power consumption data of an independent refrigerating host, a water pump, a cooling tower and the like in the refrigerating system, so that the energy efficiency of the independent equipment and the total energy efficiency of the system can be conveniently calculated at a later period.
The system energy efficiency calculation is to divide the accumulated total cold in a period range of the metering time by the total electricity consumption of equipment (comprising a refrigeration host, a water pump and a cooling tower).
The Modus protocol is an industrial control self-control free universal protocol, has wide application, simple structure, easy transmission, popular and easy understanding, and adopts the modbus protocol to realize higher expansibility, so that other devices are more simply and effectively connected on the basis.
In some embodiments, the refrigeration machine room portable energy efficiency detection analysis system further comprises: the communication ammeter case, the current transformer with the teletransmission ammeter 106 all set up in the communication ammeter case.
In some embodiments, the protocol conversion module 102 is communicatively coupled to the energy meter 101 and the remote meter 106 via a Modbus protocol port and to the data acquisition controller 103 via a BacNet protocol port.
It can be understood that the energy efficiency detection analysis system provided by the invention is connected with the data acquisition controller 103,4G through the 4G wireless communication module, and the wireless communication module reports all acquired data of the data acquisition controller 103 to the energy efficiency detection cloud platform database through the Internet for subsequent data analysis processing of the cloud platform; the protocol conversion module 102 has two protocol ports, one side is a Modbus protocol port, and the Modbus protocol port of the remote electric meter 106, the Modbus protocol port of the refrigeration host, and the Modbus protocol port of the opposite-clamping ultrasonic energy meter 101 are connected. The other side is BacNet protocol ports which are connected with the data acquisition controller 103 and transmit electric energy data, cold machine operation data and energy data to the data acquisition controller 103 in a conversion way. As shown in fig. 4, the touch display screen is installed on the door frame surface of the intelligent energy efficiency detection box and connected with the data acquisition controller 103, and can view real-time detection data and real-time energy efficiency through interaction with the touch display screen.
The BacNet protocol is a building automatic control network data communication protocol, is a standard building control protocol, can help data to be transmitted in a building controller, and can also provide bidirectional control transmission to an upward workstation and a cloud platform.
In some embodiments, the cloud server 105 is configured to perform classification statistics on the received data according to the load of the time period, or perform statistical analysis according to a custom configuration classification method, so as to obtain an energy efficiency report, and further is configured to send the energy efficiency report to a terminal device for display.
It can be understood that the information of the tested item needs to be newly built on the energy efficiency detection cloud platform, the point table information of the communication acquisition data is imported, the configuration of the mapping of the graph and the data point position is completed, and the energy efficiency information and the actual measurement data state can be visually displayed. The statistical analysis of the data can be carried out by internally arranging load classification statistics of time by time, day, month, year and the like, and also can be carried out by self-defining a configuration classification method. The data configured on the energy efficiency detection cloud platform can be distributed to a developed mobile phone terminal APP (application program) through rights, and can be checked in real time by utilizing the Internet.
In summary, the invention provides a portable energy efficiency detection and analysis system for a refrigeration machine room based on the internet of things and the cloud technology, which comprises an equipment body, wherein the equipment body comprises: the intelligent energy efficiency detection box is characterized in that a 4G wireless communication module, a protocol conversion module 102, a data acquisition controller 103, a touch display screen and a butt-clamp ultrasonic energy meter 101 are arranged in the intelligent energy efficiency detection box. As shown in fig. 5, the auxiliary equipment communication meter box comprises six sets of remote electric meters 106 and an open type current transformer. The energy efficiency detection cloud platform comprises data configuration, storage, inquiry, export, data mining analysis, real-time energy efficiency display, mobile phone APP online viewing, classified operation data and energy efficiency data display according to the year, month and day, and one-key generation of an energy efficiency report function.
According to the portable energy efficiency detection analysis system for the refrigerating machine room, provided by the invention, the energy meter 101 is used for collecting the chilled water supply and return water temperature data and the chilled water flow data, the chilled water supply and return water temperature data and the chilled water flow data are converted into cold energy, the cold energy is sent to the data acquisition controller 103 through the protocol conversion module 102, the cold energy of the refrigerating machine room is sent to the cloud server 105 through the data acquisition controller 103, the cloud server 105 is used for detecting and analyzing the energy efficiency data of the refrigerating machine room, so that an energy efficiency report is obtained, the cloud server 105 can automatically collect and analyze the energy efficiency data such as the cold energy and the like through the energy meter 101, and the calculated energy efficiency report can more intuitively give an energy efficiency result, so that the technical problem that the energy efficiency result of the whole refrigerating machine room cannot be calculated through effective data in the prior art is solved, and the function of the energy efficiency report is more intuitively given.
The portable energy efficiency detection and analysis system for the refrigeration machine room provided by the invention is described in detail, and specific examples are applied to explain the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present invention, the present description should not be construed as limiting the present invention.

Claims (10)

1. The utility model provides a portable energy efficiency detection analysis system of refrigeration computer lab which characterized in that includes:
the cloud server is used for detecting and analyzing the energy efficiency data of the refrigerating machine room to obtain an energy efficiency report; the energy efficiency data comprise the cooling capacity of a refrigerating machine room;
the data acquisition controller is used for uploading the acquired energy efficiency data of the refrigerating machine room to the cloud server;
a protocol conversion module;
The energy meter is used for collecting chilled water supply and return water temperature data and chilled water flow data, converting the chilled water supply and return water temperature data and the chilled water flow data into cold energy, and sending the cold energy to the data collection controller through the protocol conversion module.
2. The refrigeration machine room portable energy efficiency detection and analysis system of claim 1, wherein the energy meter comprises: two temperature sensors, two flow sensors and a flow integrating instrument;
the two temperature sensors are respectively arranged on the outer walls of the chilled water supply pipe and the return water pipe of the refrigeration machine room and are used for collecting chilled water supply and return water temperature data;
The two flow sensors are respectively arranged on the main pipe straight pipe of the chilled water backwater and are used for collecting chilled water flow data;
the flow integrating instrument is used for converting the chilled water supply and return water temperature data and the chilled water flow data into cold energy and sending the cold energy to the data acquisition controller through the protocol conversion module.
3. The portable energy efficiency detection and analysis system of claim 2, wherein the temperature sensor is a patch type temperature sensor.
4. The portable energy efficiency detection and analysis system of claim 2, wherein the flow sensor is a clip-on flow sensor.
5. The refrigeration machine room portable energy efficiency detection and analysis system of claim 1, further comprising: a current transformer;
the current transformer is arranged on the power cabinet electric loop of the refrigeration machine room and is used for collecting current data of the power cabinet electric loop and uploading the current data to the data collection controller through the protocol conversion module; the energy efficiency data further includes: the current data.
6. The portable energy efficiency detection and analysis system of claim 5, wherein the current transformer is an open-type current transformer.
7. The refrigeration machine room portable energy efficiency detection analysis system of claim 5, further comprising: a remote electricity meter;
The remote electric meter is in communication connection with the protocol conversion module through a Modbus protocol port and is used for collecting electric energy data of the refrigerating machine room and uploading the electric energy data to the data collection controller through the protocol conversion module; the energy efficiency data further includes: the electrical energy data.
8. The refrigeration machine room portable energy efficiency detection analysis system of claim 7, further comprising: the communication ammeter box, the current transformer with the teletransmission ammeter all set up in the communication ammeter box.
9. The portable energy efficiency detection and analysis system of claim 7, wherein the protocol conversion module is communicatively coupled to the energy meter and the remote power meter via a Modbus protocol port and to the data acquisition controller via a BacNet protocol port.
10. The portable energy efficiency detection and analysis system of any one of claims 1-9, wherein the cloud server is configured to perform classification statistics on the received data according to a load of a time period, or perform statistical analysis according to a custom configuration classification method, to obtain an energy efficiency report, and further configured to send the energy efficiency report to a terminal device for display.
CN202410762485.1A 2024-06-13 2024-06-13 Portable energy efficiency detection and analysis system for refrigeration machine room Pending CN118408312A (en)

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Application Number Priority Date Filing Date Title
CN202410762485.1A CN118408312A (en) 2024-06-13 2024-06-13 Portable energy efficiency detection and analysis system for refrigeration machine room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410762485.1A CN118408312A (en) 2024-06-13 2024-06-13 Portable energy efficiency detection and analysis system for refrigeration machine room

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118735083A (en) * 2024-09-03 2024-10-01 南通博朗冷冻设备有限公司 Refrigeration equipment energy efficiency management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118735083A (en) * 2024-09-03 2024-10-01 南通博朗冷冻设备有限公司 Refrigeration equipment energy efficiency management system

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