CN211695296U

CN211695296U - Distributed wind-water linkage central air conditioner intelligent control system

Info

Publication number: CN211695296U
Application number: CN202020307144.2U
Authority: CN
Inventors: 陈文宪; 王涛; 罗应金
Original assignee: Zhejiang Fusheng Intelligent Control Technology Co ltd
Current assignee: Zhejiang Fusheng Intelligent Control Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-10-16
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a distributing type geomantic omen linkage central air conditioning intelligence control system, including the box and install at the inside collection box power supply incoming line terminal X1 of box, circuit breaker QF1-QF5, fuse FU1, overhaul socket CZ, the PLC module, 24VDC terminal X2, audible-visual annunciator terminal X3, monitoring point temperature signal terminal X4, auxiliary relay KA, collection module R, switching power supply PS and photoelectric converter TL, wireless gateway module WG, there is the timing switching function in this design intelligent system, can carry out data comparison to the temperature that outdoor temperature sensor passed back in real time when setting for the time (need reach under the condition that sets for temperature range and equipment do not operate), each condition satisfies the back system and will carry out summer and winter operation mode inter-switching voluntarily, guarantee convenience and the accuracy of system strategy operation.

Description

Distributed wind-water linkage central air conditioner intelligent control system

Technical Field

The utility model relates to the field of control technology, specifically a distributing type geomantic omen linkage central air conditioning intelligence control system.

Background

Current central air conditioning intelligence control system only carries out single frequency conversion control and the long-range control of opening of wind cabinet one by one to freezing water pump, cooling tower fan basically, and the operating strategy is fairly simple, and the safety protection performance is not high, and intelligent level is lower. Because the global intelligent optimization of the whole central air-conditioning system is not considered, the optimal COP running state of a water system is not known, and the requirement condition of a terminal air system is unknown, the intelligent control of the central air-conditioning system is not realized, so that the problems of energy waste, large equipment loss, low safety coefficient and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a distributing type geomantic omen linkage central air conditioning intelligence control system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a distributed wind-water linkage central air-conditioning intelligent control system comprises a box body, a collection box power supply inlet terminal X1, a breaker QF1-QF5, a fuse FU1, an overhaul socket CZ, a PLC module, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, an intermediate relay KA1-KA9, a collection module, a switching power supply PS, a wireless gateway module WG and a photoelectric converter TL which are arranged inside the box body, wherein the breaker QF1-QF5, the fuse FU1, the intermediate relay KA1-KA9 and the overhaul socket CZ are arranged inside a middle-layer wire slot inside the box body, the collection module, the PLC module and the switching power supply PS are arranged inside a middle-layer wire slot inside the box body, the collection box power supply inlet terminal X1, the 24VDC terminal X2, the audible and visual alarm terminal X3 and the monitoring point temperature signal terminal X4 are arranged inside a lower-, the PLC module is respectively connected with a power supply inlet terminal X1 of the collection box, the collection module, circuit breakers QF1-QF5, fuses FU1, maintenance sockets CZ, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, intermediate relays KA1-KA9, a switching power supply PS, a wireless gateway module WG and a photoelectric converter TL, and the photoelectric converter TL is further connected with the wireless gateway module WG.

As a further technical solution of the present invention: and a display screen is arranged outside the box body and is connected with the photoelectric converter TL.

As a further technical solution of the present invention: the PLC employs a siemens PLC 1214C.

As a further technical solution of the present invention: the PLC is connected to the router through the Ethernet port and establishes communication with the refrigerating water pump cabinet, the cooling tower air cabinet and the combined air cabinet.

As a further technical solution of the present invention: the PLC monitors the cold water main machine in a communication mode, the freezing water pump cabinet controls the freezing water pump set, the cooling water pump cabinet controls the cooling water pump set, the cooling tower fan cabinet controls the radiating fan set, and the combined type air cabinet control cabinet controls the fan, the heater and the electric valve.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the running strategies (host monitoring, water pump and fan frequency conversion, valve automatic adjustment, temperature and humidity control and the like) of the wind and water system in the intelligent main control cabinet are communicated with the host through a host communication board and are communicated with the intelligent control cabinets of the equipment through routers; 2. the novel intelligent control system of the distributed wind-water linkage central air conditioner comprises various safety protection and emergency measures (automatic adjustment of temperature, pressure and flow and the like) and embodies the perfect safety characteristic of the system; 3. the distributed control system design realizes one-to-one control of the equipment, and when the equipment has problems, the equipment can be switched to standby or used for local operation, so that the normal operation of the system and the equipment is ensured; 4. the intelligent system has a timing switching function, when the set time is reached, the temperature transmitted back by the outdoor temperature sensor in real time is compared with the data (the set temperature range needs to be reached and the equipment does not run), and after all conditions are met, the system automatically switches the operation modes between summer and winter, so that the convenience and the accuracy of system strategy operation are ensured.

Drawings

Fig. 1 is a schematic panel diagram of an intelligent control system of a distributed air-water linkage central air conditioner.

Fig. 2 is a schematic view of the box panel of the present invention.

Fig. 3 is a schematic diagram of the present invention.

Detailed Description

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 work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-3, a distributed wind and water linkage central air-conditioning intelligent control system comprises a box body, a collection box power supply inlet terminal X1, a breaker QF1-QF5, a fuse FU1, an overhaul socket CZ, a PLC module, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, an intermediate relay KA1-KA9, a collection module, a switch power PS, a wireless gateway module WG and a photoelectric converter TL which are arranged inside the box body, wherein the breaker QF1-QF5, the fuse FU1, the intermediate relay KA1-KA9 and the overhaul socket CZ are arranged inside an upper layer of a slot inside the box body, the collection module, the PLC module and the switch power PS are arranged inside a middle layer of a slot inside the box body, the collection box power supply inlet terminal X1, the 24VDC terminal X2, the audible and visual alarm terminal X3 and the monitoring point temperature signal terminal X4 are arranged inside a lower layer of, the PLC module is respectively connected with a power supply inlet terminal X1 of the collection box, the collection module, circuit breakers QF1-QF5, fuses FU1, maintenance sockets CZ, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, intermediate relays KA1-KA9, a switching power supply PS, a wireless gateway module WG and a photoelectric converter TL, and the photoelectric converter TL is further connected with the wireless gateway module WG.

And sequentially closing the circuit breakers QF1, QF2, QF3, QF4 and QF5 to finish electrification.

And the switching power supply PS supplies power to the PLC and the modules thereof and various sensors.

The industrial control computer, the router and the wireless gateway module are independently powered by all the sockets.

The PLC in the intelligent main control cabinet is the core of the system, is connected to the router through a PLC Ethernet port, establishes communication with the refrigerating water pump cabinet, the cooling tower air cabinet and the combined air cabinet, and collects the operation parameters of each system and the data collected by the sensors through the analog input module. Meanwhile, the intelligent main control cabinet continuously optimizes data, predicts the operation parameters of the system at the future time through reasoning according to the gray control algorithm model and the characteristics and the cycle period of the central air-conditioning system, optimizes the system parameters, dynamically adjusts the system parameters, ensures that the equipment is always in the optimal operation condition under any load condition, sends the optimal operation parameters to the corresponding equipment control cabinet, and finally enables the COP value of the central air-conditioning system to be optimal. The load follow-up and the integral energy conservation are realized, and the integral control of the intelligent control system of the wind-water linkage central air conditioner is completed.

The industrial control computer is provided with intelligent and perfect upper computer software, and can realize the functions of timing and temperature monitoring intelligent regulation of safe switching of summer and winter operation modes and the like through communication with the PLC.

Example 2: on the basis of example 1: as shown in fig. 2, the intelligent main control cabinet monitors the cold water main engine in a communication mode, the freezing water pump cabinet controls the freezing water pump set, the cooling water pump cabinet controls the cooling water pump set, the cooling tower fan cabinet controls the heat dissipation fan set, and the combined air cabinet control cabinet controls the fan, the heater and the electric valve.

The distributed control system (intelligent control cabinet for freezing water pump, intelligent control cabinet for cooling tower fan, and intelligent control cabinet for combined wind cabinet) establishes communication via Siemens s7 Ethernet, and the intelligent master control cabinet can collect the state parameters of each equipment cabinet and send start/stop/switch command and operation parameters to corresponding equipment cabinets. Each device has multifunctional switching of 'frequency conversion/stop/bypass' and 'manual/automatic', and the intelligent control system of the novel distributed wind-water linkage central air conditioner has extremely high safety, reliability and intelligence.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A distributed wind-water linkage central air-conditioning intelligent control system comprises a box body, a collection box power supply inlet terminal X1, a breaker QF1-QF5, a fuse FU1, an overhaul socket CZ, a PLC module, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, an intermediate relay KA1-KA9, a collection module, a switch power supply PS, a wireless gateway module WG and a photoelectric converter TL which are arranged inside the box body, and is characterized in that the breaker QF1-QF5, the intermediate relay KA1-KA9, the fuse FU1 and the overhaul socket CZ are arranged inside a wire slot on the upper layer inside the box body, the collection module, the PLC module and the switch power supply PS are arranged inside a wire slot on the middle layer inside the box body, the collection box power supply inlet terminal X1, the 24VDC terminal X2, the audible and visual alarm terminal X3 and the monitoring point temperature signal terminal X4 are arranged inside a, the PLC module is respectively connected with a power supply inlet terminal X1 of the collection box, the collection module, circuit breakers QF1-QF5, fuses FU1, maintenance sockets CZ, a 24VDC terminal X2, an audible and visual alarm terminal X3, a monitoring point temperature signal terminal X4, intermediate relays KA1-KA9, a switching power supply PS, a wireless gateway module WG and a photoelectric converter TL, and the photoelectric converter TL is further connected with the wireless gateway module WG.

2. The intelligent control system of a distributed geomantic omen linkage central air conditioner according to claim 1, wherein a display screen is arranged outside the box body, and the display screen is connected with the photoelectric converter TL.

3. The intelligent control system of a distributed geomantic omen linkage central air conditioner as claimed in claim 1, wherein said PLC is a siemens PLC 1214C.

4. The intelligent control system of claim 2, wherein the PLC is connected to the router via an ethernet port, and communicates with the chiller pump cabinet, the cooling tower air cabinet, and the combined air cabinet.

5. The intelligent control system of claim 4, wherein the PLC is configured to monitor the main chiller, the chiller pump cabinet is configured to control the chiller water pump set, the cooling tower fan cabinet is configured to control the heat sink unit, and the combined air cabinet is configured to control the fan, the heater and the electric valve.