CN214370820U

CN214370820U - Comprehensive energy efficiency control system of central air conditioner

Info

Publication number: CN214370820U
Application number: CN202120143718.1U
Authority: CN
Inventors: 张军凯; 张振坤; 方亮; 肖迪光; 蔡文波; 罗中科
Original assignee: Changjiang Intelligent Control Technology Wuhan Co ltd
Current assignee: Changjiang Intelligent Control Technology Wuhan Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-08
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an efficiency management and control system is synthesized to central air conditioning, central air conditioning synthesizes efficiency management and control system and includes: central processing module, logic control module, energy acquisition module, video acquisition module, the monitoring module that leaks, interface module, sensing module, database module, power module and industrial computer, central processing module respectively with logic control module, energy acquisition module, video acquisition module, the monitoring module that leaks, interface module, sensing module, database module, power module and industrial computer are connected, the utility model provides a central air conditioning synthesizes energy efficiency management and control system through integrating the visual monitored control system of computer lab, equipment automated control system, energy management system technique in a comprehensive energy efficiency controlling means, can perfect the integration control of computer lab environment and equipment on traditional automatic control's basis.

Description

Comprehensive energy efficiency control system of central air conditioner

Technical Field

The utility model relates to a central air conditioning control technical field especially relates to a central air conditioning synthesizes efficiency management and control system.

Background

The central air-conditioning system is used as an important component of the ventilation air-conditioning system, provides a cold source for the ventilation air-conditioning system, and needs to meet the requirement of long-term peak load during system design, and the central air-conditioning equipment has large installed capacity and high energy-saving space. Therefore, the central air conditioner not only needs to solve the problem of the operation efficiency of the equipment, but also needs to ensure the safety of the equipment and the machine room environment.

In the daily operation process of a central air-conditioning system, the conventional automatic control system lacks energy consumption data as the basis of energy-saving control, so that equipment control can only be controlled according to the temperature, flow and pressure changes of a pipeline, and the change of environmental parameters in the pipeline has no quantitative relation with the load at the tail end of an air conditioner, so that the control cannot meet the energy-saving requirement. In addition, the existing automatic control system lacks the monitoring requirement of machine room environment safety during design, the online maintenance requirement of equipment is not perfect, and the mainstream control software cannot integrate the video monitoring function.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a central air conditioning synthesizes efficiency management and control system aims at solving the problem that the central air conditioning control system among the prior art can't realize the integration control that the visual control of computer lab environment, equipment fortune dimension and energy management combined together on line.

In order to achieve the above object, the utility model provides a central air conditioning synthesizes efficiency management and control system, central air conditioning synthesizes efficiency management and control system includes: the intelligent water leakage monitoring system comprises a central processing module, a logic control module, an energy collection module, a video collection module, a water leakage monitoring module, an interface module, a sensing module, a database module, a power supply module and an industrial personal computer, wherein the central processing module is respectively connected with the logic control module, the energy collection module, the video collection module, the water leakage monitoring module, the interface module, the sensing module, the database module, the power supply module and the industrial personal computer.

Optionally, the central processing module includes a core processing module and a communication module; the core processing module is respectively connected with the logic control module, the energy acquisition module, the video acquisition module, the water leakage monitoring module, the interface module, the sensing module, the database module, the power supply module and the industrial personal computer; the communication module is connected with an upper-layer server, and the upper-layer server is installed in a central monitoring machine room. .

Optionally, the industrial personal computer is connected with the core processing module through an RJ 45.

Optionally, the sensing module is respectively connected with a pipeline temperature sensor, a pipeline pressure sensor, a pipeline flow sensor and an indoor and outdoor temperature and humidity sensor; wherein the content of the first and second substances,

the pipeline temperature sensors are arranged at the freezing side of the main machine, the cooling side water supply and return main pipe, the water supply and return main pipe of the water collector, the branch pipe and the cooling tower water return pipe;

the pipeline pressure sensors are arranged on the water inlet side and the water outlet side of the freezing pump, the water inlet side and the water outlet side of the cooling pump, the two sides of the differential pressure bypass valve and branch pipes of the water collecting and distributing device;

the pipeline flow sensors are arranged at the branch pipes of the water collecting and distributing device and the chilled water supply and return main pipe.

Optionally, the logic control module is respectively connected with the central air conditioner, the chilled water pump, the cooling tower and the valve.

Optionally, the energy collection module is connected with the intelligent instrument through an RS485 bus, and the energy collection module is installed in the equipment distribution box.

Optionally, the database module is connected with the central processing module through an RS485 bus.

Optionally, the water leakage monitoring module is connected with a sensing cable on the surface of the cold water machine room.

Optionally, the video acquisition module is connected with cameras around the cold water machine room through network cables.

Optionally, the interface module is connected with a host module in the central air-conditioning control box through an RS45 bus.

The utility model provides a central air conditioning synthesizes efficiency management and control system includes: central processing module, logic control module, energy acquisition module, video acquisition module, the monitoring module that leaks, interface module, sensing module, database module, power module and industrial computer, central processing module respectively with logic control module, energy acquisition module, video acquisition module, the monitoring module that leaks, interface module, sensing module, database module, power module and industrial computer are connected, the utility model provides a central air conditioning synthesizes energy efficiency management and control system through integrating the visual monitored control system of computer lab, equipment automated control system, energy management system technique in a comprehensive energy efficiency controlling means, can perfect the integration control of computer lab environment and equipment on traditional automatic control's basis, makes computer lab equipment can keep the stability of high efficiency work and operation simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the comprehensive energy efficiency management and control system of the central air conditioner of the present invention;

fig. 2 is the utility model discloses a central air conditioning synthesizes energy efficiency management and control system's a whole equipment connection diagram.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the parts, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an efficiency management and control system is synthesized to central air conditioning the utility model discloses central air conditioning synthesizes energy efficiency management and control system in the first embodiment, refer to FIG. 1, central air conditioning synthesizes energy efficiency management and control system and includes central processing module 01, logic control module 03, energy collection module 04, video acquisition module 05, the monitoring module 06 that leaks, interface module 07, sensing module 08, database module 09, power module 10 and industrial computer 02, central processing module 01 respectively with logic control module 03, energy collection module 04, video acquisition module 05, the monitoring module 06 that leaks, interface module 07, sensing module 08, database module 09, power module 10 and industrial computer 02 connect. As shown in fig. 2, the central processing module 01 includes a core processing module 11 and a communication module 12. The core processing module 11 is respectively connected with the logic control module 03, the energy collecting module 04, the video collecting module 05, the water leakage monitoring module 06, the interface module 07, the sensing module 08, the database module 09, the power supply module 10 and the industrial personal computer 02 and is used for analyzing and processing field data. The communication module 12 is connected with an upper server 13 and used for interacting data with the building integrated monitoring system, and the upper server 13 is installed in a central monitoring machine room and used for bearing the building integrated monitoring system. Through the central air-conditioning comprehensive energy efficiency control system, the machine room visual monitoring system, the equipment automatic control system and the energy management system technology are integrated into one comprehensive energy efficiency control system, so that the automatic control of central air-conditioning equipment is realized, and the problem that the existing central air-conditioning control system cannot realize the integrated monitoring of machine room environment visual monitoring, equipment operation and maintenance and energy management combination is solved. Meanwhile, a large amount of signal butt joint work is completed in the comprehensive energy efficiency management and control system, the field engineering amount is greatly reduced, the field implementation risk is reduced, the implementation period is shortened, the number of professional interfaces is small, and the maintenance cost is reduced.

It should be noted that, in order to provide monitoring, control and management for a user, the industrial personal computer 02 is connected to the core processing module 11 through the RJ 45. The monitoring function is to display a process flow chart of the managed central air conditioner and a field video monitoring picture of the managed central air conditioner through dynamic graphs. The control function is used for providing the capability of remotely controlling the equipment, and the management functions comprise process mode management, energy-saving management, equipment maintenance management and data query management.

Further, the process mode management means that a user can modify and add the operation mode of the central air-conditioning comprehensive energy efficiency management and control system in real time, so that the central air-conditioning comprehensive energy efficiency management and control system can adapt to the change of working conditions, and the optimal control and management of the central air-conditioning comprehensive energy efficiency management and control system are realized. The energy-saving management means that the central air-conditioning comprehensive energy efficiency management and control system realizes the optimal operation strategy of the managed and controlled central air-conditioning equipment through a host group control technology. The equipment maintenance management comprises daily maintenance management and maintenance management of the managed central air-conditioning equipment. And counting the accumulated running time and related fault information of the all-line electromechanical equipment through a database. Through planned daily maintenance, the failure rate of electromechanical equipment is reduced, the service life of the equipment is prolonged, and an automatic management mode is gradually realized. The data query management refers to that the operation records, the fault records and the maintenance records of the electromechanical equipment can be queried at any time through short-term data archiving or historical data archiving so that managers and maintenance personnel can look up the records at any time.

It can be understood that the sensing module 08 is connected with a pipeline temperature sensor 3b, a pipeline pressure sensor 3c, a pipeline flow sensor 3d and an outdoor temperature and humidity sensor 4 a; the pipeline temperature sensors 3b are arranged at the freezing side of the main machine, the cooling side water supply and return header pipe, the water supply and return header pipe of the water collecting and distributing device, the branch pipe and the cooling tower water return pipe; the pipeline pressure sensors 3c are arranged on the water inlet side and the water outlet side of the freezing pump, the water inlet side and the water outlet side of the cooling pump, the two sides of the differential pressure bypass valve and branch pipes of the water collecting and distributing device; and the pipeline flow sensor 3d is arranged at the branch pipe of the water collecting and distributing device and the chilled water supply and return main pipe.

In a specific implementation, the outdoor temperature and humidity sensor 4a is installed as far away from the window, the door, the air outlet and the position where the sunlight is directly emitted as possible, and should be far away from the area affected by other radiation and having high vibration or electromagnetic field interference. Is connected with the sensing module 08 by an RVVP cable. The temperature sensing section of the pipeline temperature sensor 3b can be arranged on the top of the pipeline when the temperature sensing section is larger than 1/2 of the caliber of the pipeline, and is not suitable for being arranged near resistance components such as valves, dead corners of water flow and places with large vibration if the temperature sensing section is smaller than 1/2 of the caliber of the pipeline. The pipe temperature sensor 3b is connected to the sensing module 08 via an RVVP cable. The pressure measuring section of the pipeline pressure sensor 3c can be arranged on the top of the pipeline when the pressure measuring section is larger than 2/3 of the caliber of the pipeline, and if the pressure measuring section is smaller than 2/3 of the caliber of the pipeline, the pressure measuring section is arranged on the side or the bottom of the pipeline, so that the pressure measuring section is not suitable to be arranged near resistance components such as valves and the like and at dead corners of water flow and places with large vibration. The line pressure sensor 3c is connected to the sensor module 08 via an RVVP cable. The sampling section of the pipeline flow sensor 3d can be arranged on the top of the pipeline when the sampling section is larger than 1/2 of the caliber of the pipeline, and if the sampling section is smaller than 1/2 of the caliber of the pipeline, the sampling section is arranged on the side surface or the bottom of the pipeline, and is arranged on the straight pipe section, and the distance from the elbow is not smaller than 6 times of the inner diameter of the pipeline. The pipeline flow sensor 3d is connected to the sensing module 08 via an RVVP cable.

And the logic control module 03 is connected with a control cabinet of a freezing water pump 1b, a control cabinet of a cooling water pump 1c, a control cabinet of a cooling tower 1d and a control cabinet of a butterfly valve 2 a. The control cabinet of the refrigeration water pump 1b needs to provide state signals of operation, fault, remote and the like, start and stop control signals, each signal is connected with the logic control module 03 through a cable of RVV 2X 1.0, and also needs to provide frequency feedback and frequency control signals, and each signal is connected with the logic control module 03 through a cable of RVVP 2X 1.0; the cooling water pump 1c control cabinet needs to provide state signals of operation, fault, remote and the like, start and stop control signals, each signal is connected with the logic control module 03 through a cable of RVV2 × 1.0, and also needs to provide frequency feedback and frequency control signals, and each signal is connected with the logic control module 03 through a cable of RVVP2 × 1.0; the cooling tower 1d control cabinet needs to provide state signals of operation, fault, remote and the like and start-stop control signals, and each signal is connected with the logic control module 03 through cables of RVV2 × 1.0; the butterfly valve 2a control cabinet needs to provide status signals of operation, fault and the like, and start-stop control signals, and each signal is connected with the logic control module 03 through cables of RVV2 × 1.0. The logic control module 03 realizes automatic control of the managed and controlled central air-conditioning equipment through a built-in logic control program according to the pipeline parameters. The logic control program includes an equipment time sequence control program, an equal running time control program, an adding and subtracting judgment control program, a bypass valve control program, a water pump frequency conversion control program and a cooling tower control program, the logic control further includes air conditioner load calculation and one-key start-stop control, and may also include other logic control programs, which is not limited in this embodiment. Meanwhile, the sensing module 08 is connected with the logic control module 03 through a control bus, and the logic control module 03 performs corresponding logic control according to data analysis and judgment.

It should be noted that, the air conditioner load calculation refers to obtaining the temperature of the chilled water supply and return main pipe and the flow of the chilled water return main pipe, and the central air conditioner load calculation formula is as follows:

Q_ch＝(Tr-Ts)×FI.×1.19

wherein, Qch is the load of the central air conditioner and also generates heat for the building; tr is the return water temperature of the chilled water main pipe; ts is the water supply temperature of the chilled water main; FL is the flow of a chilled water return main pipe; and 1.19 is a proportionality coefficient.

In a specific implementation, the time sequence control program is used for schedule management of the managed central air-conditioning equipment, and one-key starting and stopping of the refrigerating station equipment is realized. The equal running time control program is used for automatically switching the running sequence of a plurality of central air conditioners according to the system management requirement, the central processing module 01 accumulates the running time of each central air conditioner and automatically selects the central air conditioner with the shortest running time, so that the running time of each central air conditioner is basically equal, and the service life of the central air conditioner is prolonged. The logic control module automatically monitors the running state, fault alarm and manual/automatic state of each key device, and automatically starts the standby device according to the program and the actual condition. The machine adding and subtracting judgment control program is used for controlling the number of running central air conditioners according to the total inlet/return water temperature difference of chilled water and the total load of a flow calculation system, the machine adding judgment program reads the current load percentage of the controlled central air conditioner according to the interface module 07, and when the load is 85% of the highest limit load and lasts for 30 minutes, the central processing module 01 judges that the outlet water temperature of the chilled water is higher than a set value (the temperature is 7 ℃ is adjustable), the logic control module 03 adds one central air conditioner. And the machine reduction judgment judges that the load of the controlled central air conditioner is 40-60% of the maximum limit load according to the central processing module 01, and when the load lasts for 30 minutes, the machine reduction judgment sends an instruction to the logic control module 03 to reduce one central air conditioner.

It will be appreciated that the one-touch start-stop control is used in particular implementations to automatically start and stop groups of devices in sequence. The starting sequence is that the butterfly valve of the cooling tower 1d is opened for more than 5 seconds of state return delay, the cooling water isolation valve is opened for more than 5 seconds of state return delay, the cooling water pump 1c is started for more than 30 seconds of state return delay, the chilled water isolation valve is opened for more than 5 seconds of state return delay, the chilled water pump 1c is started for more than 30 seconds of state return delay, and the central air conditioner is started. The stopping sequence is that the central air conditioner is stopped for more than 60 seconds, the cooling water pump 1c is stopped, the fan of the cooling tower 1d is stopped for more than 90 seconds, the cooling water isolation valve is closed, the cooling tower water valve is stopped for more than 120 seconds, the chilled water pump 1c is stopped, and the cold water isolation valve is closed after 180 seconds.

Further, a bypass valve control program in the logic control module 03 is used to set the differential pressure sensor and the water pressure regulating valve at the pipeline position, the sensing module 08 calculates a current differential pressure value between two sides of the bypass valve, and the minimum cold water flow allowed by the water chilling unit is ensured through differential pressure bypass valve control. And the logic control module 03 compares the current pressure difference value of the two sides of the bypass valve with a set value, and controls the bypass valve according to the comparison result. The water pump frequency conversion control program is to collect the values of the pipeline temperature sensor 3b and the pipeline pressure sensor 3c according to the sensing module 08 and calculate the temperature difference and the pressure difference value, the logic control module 03 takes temperature difference control as a control main loop and pressure difference control as an auxiliary loop, the cascade control method is used for adjusting the water pump frequency, and the cold water return temperature is ensured to return to a preset value or the cold water supply/return temperature difference returns to the preset value through the control of the chilled water pump frequency.

It can be understood that, the control program of the cooling tower 1d in the logic control module 03 refers to collecting the outlet water temperature of the chilled water main according to the sensing module 08, comparing the outlet water temperature with the outlet water temperature set value, and when the outlet water temperature is higher than the set value and lasts for a certain time, starting the cooling tower through the logic control module 03. A gradient was set every 2c and the fans of the cooling tower 1d were turned on one by one. The fans of the cooling tower 1d adopt the modes of alternate opening, automatic sequencing and automatic input.

The equipment control boxes such as the chilled water pump 1b, the cooling water pump 1c, and the cooling tower 1d provide hardware interfaces. The hardware interface comprises signals of operation, fault, manual and automatic and the like, which are passive dry contact points, start and stop signals which are active dry contact points, and frequency feedback and control signals which are analog signals which are current or voltage signals. The dry contact signal is connected with the logic control module through an RVV cable. The analog signals are connected to the logic control module 03 via RVVP cables.

It should be understood that the energy collection module 04 is connected with the smart meter 2b through an RS485 bus, and transmits data through a mobuds-rtu protocol, and the energy collection module 04 is installed in the distribution box of the equipment, and collects and analyzes energy data for the equipment, and provides an energy consumption evaluation result. The analysis means includes energy consumption overview, energy consumption trend, energy consumption ratio, energy consumption comparison and the like, which is not limited in this embodiment. The energy consumption overview visualizes energy consumption data and shows the central air conditioner 1a, the chilled water pump 1b, the cooling water pump 1c, the cooling tower 1d, the butterfly valve 2a power consumption proportion, the power consumption ranking, the power consumption trend, the energy consumption same proportion ring ratio and the running state. The central processing module 01 adopts a new equipment operation scheme according to the energy consumption evaluation result, and at the moment, the central processing module 01 adopts a load dynamic pre-judgment control technology, a regional cold quantity balance control technology, a pump set optimal combination control technology, a dynamic bidirectional variable flow control technology, a host small temperature difference compensation control technology, a host group control technology based on COP optimization, a cooling water optimal temperature control technology, a cooling tower variable air quantity step control technology and other technologies to set a new operation scheme for the managed and controlled central air conditioning equipment.

In a specific implementation, the energy consumption comparison generated in the energy collection module 04 is to know the difference of energy consumption conditions of a certain energy consumption device in different time periods through a comparison mode, and further analyze and seek the performance of energy consumption difference of the same energy consumption unit in different time periods caused by the influence of which possible factors, so that the method is significant for finding abnormal energy consumption influence factors and improving or eliminating the influence of the abnormal energy consumption influence factors; the energy-saving evaluation report is used for evaluating the operation efficiency of the central air conditioner according to the comparison value of the refrigerating capacity of the central air conditioner and the electricity consumption of the central air conditioner. And controlling the number of running central air conditioners and the water outlet temperature by calculating data.

It should be noted that the database module 09 is connected to the central processing module 01 through an RS485 bus, and is configured to store core data of the central processing module 01, and provide a history management function of the device for the system, including device management, task management, and plan management. The equipment management comprises an equipment ledger, an operation guide library, equipment monitoring and evaluation, equipment fault expert diagnosis and early warning management, equipment fault management, equipment work order management and spare part management. The task management comprises routing inspection/maintenance plan management, maintenance task processing, maintenance records, a task list and routing inspection records. The plan management comprises equipment inspection, plan management, an alarm center and operation and maintenance personnel management.

Further, the water leakage monitoring module 06 is connected to the sensing cable 2 d. The sensing cable 2d is arranged on the surface of the cold water machine room. When leakage occurs, the sensing cable 2d transmits a signal to the water leakage monitoring module 06, and the water leakage monitoring module 06 transmits the leakage position to the central processing module 01 through the RS485 bus and generates an alarm sound at the same time.

It will be appreciated that the video capture module 05 is connected to the camera 2c via a network cable. The cameras 2c are arranged around the cold water machine room. The camera 2c displays and records the machine room image in real time, and transmits the machine room image to the video acquisition module 05 through the RJ45, and the video acquisition module 05 transmits the machine room image to the central processing module 01 through a protocol.

It should be noted that the interface module 07 is connected to a host module in the central air-conditioning control box through an RS485 bus, the interface module 07 is responsible for collecting a host protocol of the central air-conditioning, and the host module in the central air-conditioning control box is responsible for sending the host protocol of the central air-conditioning. The host module in the central air-conditioning control box is provided by a central air-conditioning manufacturer matched with a central air-conditioning host. Meanwhile, the interface module 07 is connected with a host gateway 3a of the managed central air-conditioning equipment through RVSP2 × 1.0, and obtains signals of unit operation, faults, local/remote mode, operation conditions (cold/hot), water flow switch state, cold water pump linkage state, oil pump working state (only applicable to a centrifuge), oil pressure difference alarm, evaporator anti-freezing protection, compressor operation current, operation current percentage, load percentage, evaporation temperature, condensation temperature, evaporation pressure, condensation pressure, different-blade opening degree (only applicable to a centrifuge), expansion valve opening degree, cold water outlet temperature set value and the like.

The utility model discloses a central air conditioning synthesizes efficiency management and control system, in the visual monitored control system of computer lab, equipment automated control system, energy management system technique integration synthesizes efficiency management and control system, realized central air conditioning equipment automated control, overcome the problem that current central air conditioning control system can't realize the integration control that computer lab environment visual control, equipment fortune dimension and energy management combined together. Meanwhile, a large amount of signal butt joint work is completed in the comprehensive energy efficiency management and control system, the field engineering amount is greatly reduced, the field implementation risk is reduced, the implementation period is shortened, the number of professional interfaces is small, and the maintenance cost is reduced.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an efficiency management and control system is synthesized to central air conditioning which characterized in that, the efficiency management and control system is synthesized to central air conditioning includes: the intelligent water leakage monitoring system comprises a central processing module, a logic control module, an energy collection module, a video collection module, a water leakage monitoring module, an interface module, a sensing module, a database module, a power supply module and an industrial personal computer, wherein the central processing module is respectively connected with the logic control module, the energy collection module, the video collection module, the water leakage monitoring module, the interface module, the sensing module, the database module, the power supply module and the industrial personal computer.

2. The system as claimed in claim 1, wherein the central processing module comprises a core processing module and a communication module; the core processing module is respectively connected with the logic control module, the energy acquisition module, the video acquisition module, the water leakage monitoring module, the interface module, the sensing module, the database module, the power supply module and the industrial personal computer; the communication module is connected with an upper-layer server, and the upper-layer server is installed in a central monitoring machine room.

3. The system as claimed in claim 2, wherein the industrial personal computer is connected to the core processing module through an RJ 45.

4. The system according to claim 1, wherein the sensing module is connected to a pipeline temperature sensor, a pipeline pressure sensor, a pipeline flow sensor, and an indoor and outdoor temperature and humidity sensor; wherein the content of the first and second substances,

5. The system as claimed in claim 1, wherein the logic control module is connected to the central air conditioner, the chilled water pump, the cooling tower and the valve.

6. The system as claimed in claim 1, wherein the energy collection module is connected to the smart meter via an RS485 bus, and the energy collection module is installed in the distribution box.

7. The system as claimed in claim 1, wherein the database module is connected to the central processing module via an RS485 bus.

8. The system as claimed in claim 1, wherein the water leakage monitoring module is connected to a sensing cable on the surface of the cold water machine room.

9. The system as claimed in claim 1, wherein the video capture module is connected to cameras around the cold water machine room via network cables.

10. The system as claimed in claim 1, wherein the interface module is connected to a host module in the central air-conditioning control box through an RS45 bus.