CN105160980A - Method, device and system for simulating air-conditioning cold source system based on simulation platform - Google Patents

Method, device and system for simulating air-conditioning cold source system based on simulation platform Download PDF

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Publication number
CN105160980A
CN105160980A CN201510612209.8A CN201510612209A CN105160980A CN 105160980 A CN105160980 A CN 105160980A CN 201510612209 A CN201510612209 A CN 201510612209A CN 105160980 A CN105160980 A CN 105160980A
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China
Prior art keywords
analog machine
signal
cold source
air conditioning
conditioning system
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CN201510612209.8A
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Chinese (zh)
Inventor
刘成刚
肖聪
刘润东
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University of Science and Technology of China USTC
Suzhou University of Science and Technology
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Suzhou University of Science and Technology
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Priority to CN201510612209.8A priority Critical patent/CN105160980A/en
Publication of CN105160980A publication Critical patent/CN105160980A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45504Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
    • G06F9/45508Runtime interpretation or emulation, e g. emulator loops, bytecode interpretation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes

Abstract

The invention relates to a method, a device and a system for simulating an air-conditioning cold source system based on a simulation platform. The method comprises the following steps: receiving a start signal of the air-conditioning cold source system; judging that the received start signal is a manual start signal or an automatic start signal; performing a manual start process when receiving the manual start signal; performing an automatic start process when receiving the automatic start signal, namely automatically controlling the start of a first class of simulation equipment after a third preset time after receiving the automatic start signal; delaying a fourth preset time to automatically control the start of a second class of simulation equipment; and delaying a fifth preset time to automatically control the start of a third class of simulation equipment. The method, the device and the system can realize effective control of the simulation equipment, simplify the control method of the air-conditioning cold source system and are easy to realize.

Description

Based on method, Apparatus and system that emulation platform emulates cold source of air conditioning system
Technical field
The present invention relates to the Computer Simulation field of air-conditioning system, be specifically related to a kind of method, the Apparatus and system that cold source of air conditioning system are emulated based on emulation platform.
Background technology
In recent years, along with developing rapidly of China construction industry, simple residential usage function can not meet the requirement of people to building far away, the intelligent building being technical foundation with modern building technology, computer technology, mechanics of communication and control technology starts to progress into public view, be subject to extensive concern, the automatic control of air-conditioning system is the important step realizing intelligent building, and in intelligent building, most central air conditioner is no longer by artificial or pneumatic control, but by computer controlled automatic.Therefore architectural environment must be synchronous with the development of intelligent building with the form of teaching of energy source use Engineering Speciality, strengthen the teaching dynamics of Heating,Ventilating and Air Conditioning (HVAC) robotization, strengthen the cognitive ability of student to material object and the manipulative ability of engineering practice, student is made to understand and grasp the system automation technology of development, to cultivate the professional technician that can adapt to social development.
But the experiment device for teaching of air-conditioning system is mostly based on real system at present, such as there is real wind system, real water system, real unit etc., this experiment device for teaching is bulky, energy consumption is high, not easily care and maintenance, and mobility is poor, for laboratory technician, need the ruuning situation just observing whole air-conditioning system to many places, not intuitively.In addition, for this experiment device for teaching based on real system, during its actual emulation experiment, the actual condition of air-conditioning system just can be reflected after must making actual adjustment to real system, analogue enlargement, Simulation Diagnosis etc. cannot be carried out by the means of emulation to experiment device for teaching completely, thus improve the cost of education experiment.In addition, although also often adopt some analog machines such as cooling-water pump analog machine, blower fan of cooling tower analog machine, chilled water pump analog machine, handpiece Water Chilling Units analog machine to carry out Reality simulation device in prior art, but it is mostly still similar with the control method based on real system to the control method of these analog machines, comparatively complicated and loaded down with trivial details, the effective control to these analog machines can not be realized, and not easily realize in teaching.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome in prior art and lacks a kind of method that effectively can control all kinds of analog machine to realize the defect of the emulation of cold source of air conditioning system, thus a kind of method, the Apparatus and system that emulate cold source of air conditioning system based on emulation platform are provided, the effective control to all kinds of analog machine can be realized, simplify the control method of cold source of air conditioning system, be easy to realize.
A kind of method cold source of air conditioning system emulated based on emulation platform of the present invention, described emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, and described method comprises the steps:
Receive the enabling signal of cold source of air conditioning system;
Judgement receives and manually boots signal or receive automatically activated signal;
When receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
When described first kind analog machine is in starting state and receives the enabling signal of Equations of The Second Kind analog machine, control described Equations of The Second Kind analog machine and start;
When described first kind analog machine be in starting state, described Equations of The Second Kind analog machine be in starting state and receive the enabling signal of the 3rd analoglike equipment time, control described 3rd analoglike device start.
Preferably, described emulation platform also comprises small pump analog machine, after the described 3rd analoglike device start of described control, also comprises the steps:
Receive the force value of chilled water constant pressure point;
Judge whether described force value is less than the difference of pressure preset value and fluctuation preset value;
When described force value is less than the difference of pressure preset value and fluctuation preset value, controls small pump analog machine and start.
Preferably, after the described 3rd analoglike device start of described control, also comprise the steps:
Receive the pressure difference of chilled water pressure of supply water and pressure of return water, carry out a PID regulate according to described pressure difference, the output valve regulated by a described PID is as the opening value of pressure-difference valve; And/or
Receive chilled water return water temperature, carry out the 2nd PID regulate according to described chilled water return water temperature, the output valve regulated by described 2nd PID is as the opening value of water bypass; And/or
Carry out the 3rd PID according to described chilled water return water temperature to regulate, the output valve regulated by described 3rd PID is as the frequency values of blower fan of cooling tower.
Preferably, after the described 3rd analoglike device start of described control, also comprise the steps:
When receiving pressure moisturizing signal, controlling small pump analog machine and starting; And/or
When receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, make cold source of air conditioning system-down; And/or
When receiving cold source of air conditioning system halt signal, make cold source of air conditioning system-down.
Preferably, the step of cold source of air conditioning system-down is made to comprise described in:
Control described 3rd analoglike device shutdown;
Time delay first Preset Time after described 3rd analoglike device shutdown, and control the closedown of described first kind analog machine;
Time delay second Preset Time after described first kind analog machine cuts out, and control the closedown of described Equations of The Second Kind analog machine.
Preferably, also comprise the steps:
When receiving automatically activated signal, after the 3rd Preset Time after receiving described automatically activated signal, automatically controlling described first kind analog machine and starting;
Time delay the 4th Preset Time after described first kind analog machine starts, and automatically control the startup of described Equations of The Second Kind analog machine;
Time delay the 5th Preset Time after described Equations of The Second Kind analog machine starts, and automatically control described 3rd analoglike device start.
A kind of device cold source of air conditioning system emulated based on emulation platform of the present invention, described emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, comprising:
First receiving element, for receiving the enabling signal of cold source of air conditioning system;
First judging unit, manually boots signal for judging to receive or receives automatically activated signal;
First control module, for when receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
Second control module, during for being in starting state when described first kind analog machine and receiving the enabling signal of described Equations of The Second Kind analog machine, controls described Equations of The Second Kind analog machine and starts;
3rd control module, for being in starting state when described first kind analog machine, described Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of described 3rd analoglike equipment, controls described 3rd analoglike device start.
Preferably, after described 3rd control module, also comprise:
Second receiving element, for receiving the force value of chilled water constant pressure point;
Second judging unit, for judge described force value whether be less than pressure preset value with fluctuation preset value difference, and whether be greater than pressure preset value with fluctuation preset value and value;
4th control module, during for being less than the difference of pressure preset value with fluctuation preset value when described force value, controlling small pump analog machine and starts.
Preferably, after described 3rd control module, also comprise:
First acquiring unit, for receiving the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out a PID according to described pressure difference and regulating, and the output valve regulated by a described PID is as the opening value of pressure-difference valve; And/or
Second acquisition unit, for receiving chilled water return water temperature, carrying out the 2nd PID according to described chilled water return water temperature and regulating, and the output valve regulated by described 2nd PID is as the opening value of water bypass; And/or
3rd acquiring unit, regulates for carrying out the 3rd PID according to described chilled water return water temperature, and the output valve regulated by described 3rd PID is as the frequency values of blower fan of cooling tower.
Preferably, after described 3rd control module, also comprise:
5th control module, for when receiving pressure moisturizing signal, controlling small pump analog machine and starting; And/or
6th control module, for when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, makes cold source of air conditioning system-down; And/or
7th control module, for when receiving cold source of air conditioning system halt signal, makes cold source of air conditioning system-down.
Preferably, described 6th control module or the 7th control module comprise:
8th control module, for controlling described 3rd analoglike device shutdown;
9th control module, for time delay first Preset Time after described 3rd analoglike device shutdown, and controls the closedown of described first kind analog machine;
Tenth control module, for time delay second Preset Time after described first kind analog machine cuts out, and controls the closedown of described Equations of The Second Kind analog machine.
Preferably, also comprise:
11 control module, for when receiving automatically activated signal, after the 3rd Preset Time after receiving described automatically activated signal, automatically controlling described first kind analog machine and starting;
12 control module, for time delay the 4th Preset Time after described first kind analog machine starts, and controls the startup of described Equations of The Second Kind analog machine automatically;
13 control module, for time delay the 5th Preset Time after described Equations of The Second Kind analog machine starts, and controls described 3rd analoglike device start automatically.
A kind of system emulated cold source of air conditioning system of the present invention, comprising:
Emulation platform, comprise first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, and described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine;
Display panel, for showing the operation conditions of cold source of air conditioning system;
Guidance panel, comprise multiple shift knob and multiple knob, for producing corresponding control signal according to input, it comprises the enabling signal of the enabling signal of cold source of air conditioning system, the enabling signal of first kind analog machine, the enabling signal of Equations of The Second Kind analog machine and the 3rd analoglike equipment;
And based on the device that emulation platform emulates cold source of air conditioning system, comprising:
First receiving element, for receiving the enabling signal of cold source of air conditioning system;
First judging unit, manually boots signal for judging to receive or receives automatically activated signal;
First control module, for when receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
Second control module, during for being in starting state when described first kind analog machine and receiving the enabling signal of described Equations of The Second Kind analog machine, controls described Equations of The Second Kind analog machine and starts;
3rd control module, for being in starting state when described first kind analog machine, described Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of the 3rd analoglike equipment, controls described 3rd analoglike device start.
Technical solution of the present invention, tool has the following advantages:
1. pass through in the present invention to adopt first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike device build one for emulating the emulation platform of air-conditioning cold source system, and based on this Design of Simulation Platform method that cold source of air conditioning system is emulated, thus devise and a kind ofly completely just can realize the emulation platform to cold source of air conditioning system emulation based on analogue means, it is without using real system, is easy to realize and be more convenient to experimental teaching.And by after the enabling signal receiving cold source of air conditioning system arrange when receive manually boot signal time, carry out the start-up course of Non-follow control cold source of air conditioning system, thus when the boot sequence of cold source of air conditioning system experimentation person each analog machine fully aware of, start-up time can be shortened, improve simulation efficiency, the startup of teacher explains's cold source of air conditioning system, the course of work can be facilitated, student can be helped again to grasp intuitively, rapidly, understand method of controlling operation thereof to cold source of air conditioning system.And first start first kind analog machine by arranging, the boot sequence of sequence starting Equations of The Second Kind analog machine, the 3rd analoglike equipment again, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, deepen understanding cold source of air conditioning system being carried out to precooling treatment.
2. pass through in the present invention on emulation platform, also to arrange small pump analog machine and the control method combined small pump analog machine, can the opening of analog simulation small pump analog machine, stop controlling, the method of controlling operation thereof of Faculty and Students' understanding to small pump can be facilitated further, advantageously in understanding and the grasp of deepening small pump control in cold source of air conditioning system.
3. carrying out obtaining after a PID regulates the opening value of pressure-difference valve in the present invention by arranging according to the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out the control of analog simulation pressure-difference valve.Carrying out obtaining after the 2nd PID regulates the opening value of water bypass by arranging according to chilled water return water temperature, carrying out the control of analog simulation water bypass.Carry out obtaining after the 3rd PID regulates the frequency values of blower fan of cooling tower according to chilled water return water temperature by arranging, carry out the control of analog simulation to blower fan of cooling tower rotating speed, thus facilitate the method for controlling operation thereof of Faculty and Students' understanding to pressure-difference valve, water bypass, blower fan of cooling tower further, the understanding that advantageously pressure-difference valve, water bypass, blower fan of cooling tower control in intensification is to cold source of air conditioning system and grasp.
4. control small pump analog machine when receiving and forcing moisturizing signal start by arranging in the present invention, analog simulation needs the situation of pressure moisturizing.By arranging when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, cold source of air conditioning system-down is made when handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, analog simulation is at cooling-water pump, blower fan of cooling tower, shut down in time when breaking down arbitrarily in handpiece Water Chilling Units and chilled water pump, thus facilitate Faculty and Students to understand when there is all kinds of failure condition in cold source of air conditioning system further, as need moisturizing be forced, cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal, chilled water pump fault-signal etc., cold source of air conditioning system hard stop need be controlled, to protect the safety of cold source of air conditioning system, thus advantageously in understanding and the grasp of deepening control method when breaking down in cold source of air conditioning system.
5. in the present invention by arranging the 3rd analoglike equipment, first kind analog machine and Equations of The Second Kind analog machine are sequentially and close after time delay after a while, can the antifreeze process of analog simulation cold source of air conditioning system, simulate in a period of time after handpiece Water Chilling Units is closed and keep chilled water pump also in work, remaining cold in handpiece Water Chilling Units is discharged by the operation of chilled water pump, prevent remaining cold that handpiece Water Chilling Units is freezing, thus the antifreeze processing procedure of teacher or student's analog simulation cold source of air conditioning system can be helped further, deepen understanding cold source of air conditioning system being carried out to antifreeze process.
6. pass through in the present invention to arrange when receiving automatically activated signal, carry out the start-up course of automatic control air conditioner cold source system, namely automatically control in turn to start first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, thus easy start-up operation process can be provided for beginner or the laboratory technician carrying out cold source of air conditioning system experimentation for the first time, and according to this start-up course, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, advantageously in the start-up course helping it to understand and grasp cold source of air conditioning system.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is based on the process flow diagram of emulation platform to the method that cold source of air conditioning system emulates concrete example in the embodiment of the present invention 1;
Fig. 2 is based on the process flow diagram of emulation platform to the method that cold source of air conditioning system emulates concrete example in the embodiment of the present invention 1;
Fig. 3 is based on the theory diagram of emulation platform to the device that cold source of air conditioning system emulates concrete example in the embodiment of the present invention 2;
Fig. 4 is based on the theory diagram of emulation platform to the device that cold source of air conditioning system emulates concrete example in the embodiment of the present invention 2;
Fig. 5 is the theory diagram to the system that the system of cold source of air conditioning system emulates concrete example in the embodiment of the present invention 3.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In addition, if below in the described different embodiment of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of method emulated cold source of air conditioning system based on emulation platform, this emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, Equations of The Second Kind analog machine comprises chilled water pump analog machine, 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, as shown in Figure 1, the method comprises the steps:
Step S1, receive the enabling signal of cold source of air conditioning system, be in waiting status afterwards, until receive manually boot signal or automatically activated signal after enter next step.
Step S2, judge to receive and manually boot signal or receive automatically activated signal, when receive manually boot signal time, enter the control procedure manually booting cold source of air conditioning system, enter step S3-S5.
Step S3, when receiving the enabling signal of first kind analog machine, controlling first kind analog machine and starting.
Step S4, when first kind analog machine is in starting state and receives the enabling signal of Equations of The Second Kind analog machine, control Equations of The Second Kind analog machine and start.When first kind analog machine does not start, even if receive the enabling signal of Equations of The Second Kind analog machine or the enabling signal of the 3rd analoglike equipment, Equations of The Second Kind analog machine or the 3rd analoglike equipment also cannot be started.
Step S5, when first kind analog machine be in starting state, Equations of The Second Kind analog machine be in starting state and receive the enabling signal of the 3rd analoglike equipment time, control the 3rd analoglike device start.When first kind analog machine and Equations of The Second Kind analog machine all do not start, even if receive the enabling signal of the 3rd analoglike equipment, the 3rd analoglike equipment also cannot be started.By arranging the control procedure manually booted of above-mentioned steps S2-S5, the experimenter of experiment experience can be had to provide the mode of autonomous operation start-up course for some, and also can accelerate the process of startup.
Step S6, when receiving automatically activated signal, after the 3rd Preset Time after receiving automatically activated signal, automatically controlling first kind analog machine and starting, entering the control procedure automatically starting cold source of air conditioning system.3rd Preset Time can be arranged according to actual needs, such as, can be arranged to 30-90 second, preferably can be arranged to about 60 seconds.
Step S7, after first kind analog machine starts time delay the 4th Preset Time, and automatically control Equations of The Second Kind analog machine and start.4th Preset Time can be arranged according to actual needs, such as, can be arranged to 60-120 second, preferably can be arranged to about 90 seconds.
Step S8, after Equations of The Second Kind analog machine starts time delay the 5th Preset Time, and automatically control the 3rd analoglike device start.5th Preset Time can be arranged according to actual needs, such as, can be arranged to 10-60 second, preferably can be arranged to about 30 seconds.The process of delayed startup can be conducive to observing to experimenter by arranging above-mentioned 4th, the 5th Preset Time, facilitate experimental teaching.
By adopting first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike device build one for emulating the emulation platform of air-conditioning cold source system in the present embodiment, and based on this Design of Simulation Platform method that cold source of air conditioning system is emulated, thus devise and a kind ofly completely just can realize the emulation platform to cold source of air conditioning system emulation based on analogue means, it is without using real system, is easy to realize and be more convenient to experimental teaching.And by after the enabling signal receiving cold source of air conditioning system arrange when receive manually boot signal time, carry out the start-up course of Non-follow control cold source of air conditioning system, thus when the boot sequence of cold source of air conditioning system experimentation person each analog machine fully aware of, start-up time can be shortened, improve simulation efficiency, the startup of teacher explains's cold source of air conditioning system, the course of work can be facilitated, student can be helped again to grasp intuitively, rapidly, understand method of controlling operation thereof to cold source of air conditioning system.And first start first kind analog machine by arranging, the boot sequence of sequence starting Equations of The Second Kind analog machine, the 3rd analoglike equipment again, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, deepen understanding cold source of air conditioning system being carried out to precooling treatment.
And by arranging when receiving automatically activated signal, carry out the start-up course of automatic control air conditioner cold source system, namely automatically control in turn to start first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, thus easy start-up operation process can be provided for beginner or the laboratory technician carrying out cold source of air conditioning system experimentation for the first time, and according to this start-up course, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, advantageously in the start-up course helping it to understand and grasp cold source of air conditioning system.
As a kind of preferred implementation, above-mentioned emulation platform also comprises small pump analog machine, as shown in Figure 2, after control the 3rd analoglike device start of above-mentioned steps S5 or step S8, also comprises the steps:
The force value of step S9, reception chilled water constant pressure point.
Step S10, judge this force value whether be less than pressure preset value with fluctuation preset value difference, and whether be greater than pressure preset value with fluctuation preset value and value.When force value is less than the difference of pressure preset value and fluctuation preset value, when namely the force value of chilled water constant pressure point is too small, enter step S11; When force value be greater than pressure preset value with fluctuation preset value with value time, when namely the force value of chilled water constant pressure point is excessive, enter step S12; When force value be more than or equal to pressure preset value with fluctuation preset value difference and be less than or equal to pressure preset value with fluctuation preset value with value time, any operation is not performed to small pump.This pressure preset value, fluctuation preset value all can be arranged according to the actual requirements, and such as pressure preset value can be set to 35-45, preferably can be arranged to 40.Fluctuation preset value can be set to 3-7, preferably can be arranged to 5.
Step S11, control small pump analog machine start.
Step S12, control small pump analog machine are closed.
By also arranging small pump analog machine and combine the control method to small pump analog machine on emulation platform in the present embodiment, can the opening of analog simulation small pump analog machine, stop controlling, the method of controlling operation thereof of Faculty and Students' understanding to small pump can be facilitated further, advantageously in understanding and the grasp of deepening small pump control in cold source of air conditioning system.
As a kind of preferred implementation, after control the 3rd analoglike device start of above-mentioned steps S5 or step S8, also comprise the steps:
The pressure difference of step S13, reception chilled water pressure of supply water and pressure of return water, carries out a PID according to this pressure difference and regulates, and the output valve regulated by a PID is as the opening value of pressure-difference valve.Start to carry out a PID to regulate when chilled water pump starts, thus the output valve that a PID regulates controls the opening value of pressure-difference valve, when chilled water pump is closed, pressure-difference valve also cuts out.One PID control method can adopt the modular programming software VisualLogic of BACtalk system figure to work out, PID module in VisualLogic only need input Proportional coefficient K P, differential coefficient KI, preset for backwater pressure difference, just can export the result that PID regulates.In the present embodiment, can according to the actual condition of cold source of air conditioning system, the value of setting Proportional coefficient K P and differential coefficient KI (can be drawn by expertise and experiment), then the confession backwater pressure difference reached needed for after PID regulates is preset, apply mechanically the PID module in VisualLogic, according to the chilled water pressure of supply water of reality input and the pressure difference of pressure of return water, the output valve regulated by a PID is as the opening value of pressure-difference valve.It will be appreciated by those skilled in the art that the control of the opening value of above-mentioned pressure-difference valve is not limited to the PID module of applying mechanically in VisualLogic and realizes, the PID module in other programming softwares also can be adopted to realize the control of the opening value to pressure-difference valve.Above-mentioned steps S13 can before step S9-S12, afterwards or centre any position perform.
As a kind of preferred implementation, after control the 3rd analoglike device start of above-mentioned steps S5 or step S8, also comprise the steps:
Step S14, reception chilled water return water temperature, carry out the 2nd PID according to described chilled water return water temperature and regulate, and the output valve regulated by described 2nd PID is as the opening value of water bypass.The start and stop of water bypass are controlled by the start and stop of cooling-water pump, and when cooling-water pump is opened, water bypass is also opened, and when cooling-water pump cuts out, water bypass is also closed.2nd PID control method is the same with an above-mentioned PID control method, the modular programming software VisualLogic of BACtalk system figure can be adopted to work out, namely only need input Proportional coefficient K P, differential coefficient KI, preset chilled water return water temperature lower limit, just can export the result that PID regulates.In the present embodiment, can according to the actual condition of cold source of air conditioning system, the value of setting Proportional coefficient K P and differential coefficient KI (can be drawn by expertise and experiment), then the chilled water return water temperature lower limit reached needed for after PID regulates is preset, apply mechanically the PID module in VisualLogic, according to the chilled water return water temperature of reality input, the output valve regulated by the 2nd PID is as the opening value of water bypass.Those skilled in the art are to be understood that, the control of the opening value of above-mentioned water bypass is not limited to the PID module of applying mechanically in VisualLogic and realizes, and the PID module in other programming softwares also can be adopted to realize the control of the opening value to water bypass.Above-mentioned steps S14 can before step S9-S13, afterwards or centre any position perform.
As a kind of preferred implementation, after control the 3rd analoglike device start of above-mentioned steps S5 or step S8, also comprise the steps:
Step S15, to carry out the 3rd PID regulate according to chilled water return water temperature, the output valve regulated by the 3rd PID is as the frequency values of blower fan of cooling tower.The start and stop of blower fan of cooling tower frequency control are controlled by the start and stop of blower fan of cooling tower, could control when blower fan of cooling tower is opened to blower fan of cooling tower frequency.3rd PID control method is the same with first, second PID control method above-mentioned, the modular programming software VisualLogic of BACtalk system figure can be adopted to work out, namely only need input Proportional coefficient K P, differential coefficient KI, preset chilled water return water temperature value, just can export the result that PID regulates.In the present embodiment, can according to the actual condition of cold source of air conditioning system, the value of setting Proportional coefficient K P and differential coefficient KI (can be drawn by expertise and experiment), then the chilled water return water temperature value reached needed for after PID regulates is preset, apply mechanically the PID module in VisualLogic, according to the chilled water return water temperature of reality input, the output valve regulated by the 3rd PID is as the frequency values of blower fan of cooling tower.It will be appreciated by those skilled in the art that the control of the frequency values of above-mentioned blower fan of cooling tower is not limited to the PID module of applying mechanically in VisualLogic and realizes, the PID module in other programming softwares also can be adopted to realize the control of the frequency values to blower fan of cooling tower.Above-mentioned steps S15 can before step S9-S14, afterwards or centre any position perform.
Carrying out obtaining after a PID regulates the opening value of pressure-difference valve in the present embodiment by arranging according to the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out the control of analog simulation pressure-difference valve.Carrying out obtaining after the 2nd PID regulates the opening value of water bypass by arranging according to chilled water return water temperature, carrying out the control of analog simulation water bypass.Carry out obtaining after the 3rd PID regulates the frequency values of blower fan of cooling tower according to chilled water return water temperature by arranging, carry out the control of analog simulation to blower fan of cooling tower rotating speed, thus facilitate the method for controlling operation thereof of Faculty and Students' understanding to pressure-difference valve, water bypass, blower fan of cooling tower further, the understanding that advantageously pressure-difference valve, water bypass, blower fan of cooling tower control in intensification is to cold source of air conditioning system and grasp.
As a kind of preferred implementation, in any step after control the 3rd analoglike device start of above-mentioned steps S5: when receiving pressure moisturizing signal, controlling small pump analog machine and starting.In any step after control the 3rd analoglike device start of above-mentioned steps S5 or step S8: when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, make cold source of air conditioning system-down.When receiving cold source of air conditioning system halt signal, make cold source of air conditioning system-down.
Control small pump analog machine when receiving and forcing moisturizing signal start by arranging in the present embodiment, analog simulation needs the situation of pressure moisturizing.By arranging when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, cold source of air conditioning system-down is made when handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, analog simulation is at cooling-water pump, blower fan of cooling tower, shut down in time when breaking down arbitrarily in handpiece Water Chilling Units and chilled water pump, thus facilitate Faculty and Students to understand when there is all kinds of failure condition in cold source of air conditioning system further, as need moisturizing be forced, cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal, chilled water pump fault-signal etc., cold source of air conditioning system hard stop need be controlled, to protect the safety of cold source of air conditioning system, thus advantageously in understanding and the grasp of deepening control method when breaking down in cold source of air conditioning system.
Preferably, the above-mentioned step of cold source of air conditioning system-down that makes comprises:
Control the 3rd analoglike device shutdown.
Time delay first Preset Time after the 3rd analoglike device shutdown, and control the closedown of first kind analog machine.
Time delay second Preset Time after first kind analog machine cuts out, and control the closedown of Equations of The Second Kind analog machine.First, second Preset Time above-mentioned can be arranged according to actual needs, and such as the first Preset Time can be set to 50-70 second, preferably can be about 60 seconds, and the second Preset Time can be set to 10-40 second, preferably can be about 30 seconds.
By arranging first kind analog machine in the present embodiment, Equations of The Second Kind analog machine and the 3rd analoglike equipment are sequentially and close after time delay after a while, can the antifreeze process of analog simulation cold source of air conditioning system, simulate in a period of time after handpiece Water Chilling Units is closed and keep chilled water pump also in work, remaining cold in handpiece Water Chilling Units is discharged by the operation of chilled water pump, prevent remaining cold that handpiece Water Chilling Units is freezing, thus the antifreeze processing procedure of teacher or student's analog simulation cold source of air conditioning system can be helped further, deepen understanding cold source of air conditioning system being carried out to antifreeze process.
As a kind of preferred implementation, also comprise chilled water cold amount calculation procedure, be specially:
Receive chilled water respectively for, return water temperature value and chilled water flow value, when the difference of chilled water return water temperature value and chilled water supply water temperature value is less than temperature difference preset value, according to formula calculate chilled water cold amount value.By arranging the calculation procedure of chilled water cold amount, make Faculty and Students can observe the change of the chilled water cold amount caused for the change of, return water temperature value and chilled water flow value according to the chilled water regulated intuitively, advantageously in the understanding deepening to control chilled water cold amount in cold source of air conditioning system and grasp.
Embodiment 2
The present embodiment provides a kind of device emulated cold source of air conditioning system based on emulation platform, described emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, Equations of The Second Kind analog machine comprises chilled water pump analog machine, 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, as shown in Figure 3, comprising:
First receiving element 1, for receiving the enabling signal of cold source of air conditioning system.
First judging unit 2, manually boots signal for judging to receive or receives automatically activated signal.
First control module 3, for when receive manually boot signal and receive the enabling signal of the first kind analog machine time, control first kind analog machine and start.
Second control module 4, during for being in starting state when first kind analog machine and receiving the enabling signal of Equations of The Second Kind analog machine, controls Equations of The Second Kind analog machine and starts.
3rd control module 5, for being in starting state when first kind analog machine, Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of the 3rd analoglike equipment, controls the 3rd analoglike device start.
11 control module 6, for when receiving automatically activated signal, after the 3rd Preset Time after receiving automatically activated signal, automatically controlling first kind analog machine and starting.
12 control module 7, for time delay the 4th Preset Time after first kind analog machine starts, and controls the startup of Equations of The Second Kind analog machine automatically.
13 control module 8, for time delay the 5th Preset Time after Equations of The Second Kind analog machine starts, and controls the 3rd analoglike device start automatically.
By adopting first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike device build one for emulating the emulation platform of air-conditioning cold source system in the present embodiment, and based on this Design of Simulation Platform method that cold source of air conditioning system is emulated, thus devise and a kind ofly completely just can realize the emulation platform to cold source of air conditioning system emulation based on analogue means, it is without using real system, is easy to realize and be more convenient to experimental teaching.And by after the enabling signal receiving cold source of air conditioning system arrange when receive manually boot signal time, carry out the start-up course of Non-follow control cold source of air conditioning system, thus when the boot sequence of cold source of air conditioning system experimentation person each analog machine fully aware of, start-up time can be shortened, improve simulation efficiency, the startup of teacher explains's cold source of air conditioning system, the course of work can be facilitated, student can be helped again to grasp intuitively, rapidly, understand method of controlling operation thereof to cold source of air conditioning system.And first start first kind analog machine by arranging, the boot sequence of sequence starting Equations of The Second Kind analog machine, the 3rd analoglike equipment again, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, deepen understanding cold source of air conditioning system being carried out to precooling treatment.
And by arranging when receiving automatically activated signal, carry out the start-up course of automatic control air conditioner cold source system, namely automatically control in turn to start first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, thus easy start-up operation process can be provided for beginner or the laboratory technician carrying out cold source of air conditioning system experimentation for the first time, and according to this start-up course, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, advantageously in the start-up course helping it to understand and grasp cold source of air conditioning system.
As a kind of preferred implementation, as shown in Figure 4, after the 3rd control module the 5 or the 13 control module 8, also comprise:
Second receiving element 9, for receiving the force value of chilled water constant pressure point.
Second judging unit 10, for judge this force value whether be less than pressure preset value with fluctuation preset value difference, and whether be greater than pressure preset value with fluctuation preset value and value.
4th control module 11, during for being less than the difference of pressure preset value with fluctuation preset value when force value, controlling small pump analog machine and starts.
14 control module 12, for be greater than when force value pressure preset value and fluctuation preset value with value time, control the closedown of small pump analog machine.
When force value be more than or equal to pressure preset value with fluctuation preset value difference and be less than or equal to pressure preset value with fluctuation preset value with value time, any operation is not performed to small pump.
By also arranging small pump analog machine and combine the control method to small pump analog machine on emulation platform in the present embodiment, can the opening of analog simulation small pump analog machine, stop controlling, the method of controlling operation thereof of Faculty and Students' understanding to small pump can be facilitated further, advantageously in understanding and the grasp of deepening small pump control in cold source of air conditioning system.
As a kind of preferred implementation, after the 3rd control module the 5 or the 13 control module 8, also comprise: the first acquiring unit, for receiving the pressure difference of chilled water pressure of supply water and pressure of return water, carry out a PID according to pressure difference to regulate, the output valve regulated by a PID is as the opening value of pressure-difference valve.
As a kind of preferred implementation, after the 3rd control module the 5 or the 13 control module 8, also comprise: second acquisition unit, for receiving chilled water return water temperature, carry out the 2nd PID according to chilled water return water temperature to regulate, the output valve regulated by the 2nd PID is as the opening value of water bypass.
As a kind of preferred implementation, after the 3rd control module the 5 or the 13 control module 8, also comprise: the 3rd acquiring unit, regulate for carrying out the 3rd PID according to chilled water return water temperature, the output valve regulated by the 3rd PID is as the frequency values of blower fan of cooling tower.
Carrying out obtaining after a PID regulates the opening value of pressure-difference valve in the present embodiment by arranging according to the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out the control of analog simulation pressure-difference valve.Carrying out obtaining after the 2nd PID regulates the opening value of water bypass by arranging according to chilled water return water temperature, carrying out the control of analog simulation water bypass.Carry out obtaining after the 3rd PID regulates the frequency values of blower fan of cooling tower according to chilled water return water temperature by arranging, carry out the control of analog simulation to blower fan of cooling tower rotating speed, thus facilitate the method for controlling operation thereof of Faculty and Students' understanding to pressure-difference valve, water bypass, blower fan of cooling tower further, the understanding that advantageously pressure-difference valve, water bypass, blower fan of cooling tower control in intensification is to cold source of air conditioning system and grasp.
As a kind of preferred implementation, after the 3rd control module the 5 or the 13 control module 8, also comprise: the 5th control module, for when receiving pressure moisturizing signal, controlling small pump analog machine and starting.
6th control module, for when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, makes cold source of air conditioning system-down.
7th control module, for when receiving cold source of air conditioning system halt signal, makes cold source of air conditioning system-down.
Control small pump analog machine when receiving and forcing moisturizing signal start by arranging in the present embodiment, analog simulation needs the situation of pressure moisturizing.By arranging when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, cold source of air conditioning system-down is made when handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, analog simulation is at cooling-water pump, blower fan of cooling tower, shut down in time when breaking down arbitrarily in handpiece Water Chilling Units and chilled water pump, thus facilitate Faculty and Students to understand when there is all kinds of failure condition in cold source of air conditioning system further, as need moisturizing be forced, cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal, chilled water pump fault-signal etc., cold source of air conditioning system hard stop need be controlled, to protect the safety of cold source of air conditioning system, thus advantageously in understanding and the grasp of deepening control method when breaking down in cold source of air conditioning system.
Preferably, the above-mentioned 6th or the 7th control module comprises:
8th control module, for controlling the 3rd analoglike device shutdown;
9th control module, for time delay first Preset Time after the 3rd analoglike device shutdown, and controls the closedown of first kind analog machine;
Tenth control module, for time delay second Preset Time after first kind analog machine cuts out, and controls the closedown of Equations of The Second Kind analog machine.
By arranging first kind analog machine in the present embodiment, Equations of The Second Kind analog machine and the 3rd analoglike equipment are sequentially and close after time delay after a while, can the antifreeze process of analog simulation cold source of air conditioning system, simulate in a period of time after handpiece Water Chilling Units is closed and keep chilled water pump also in work, remaining cold in handpiece Water Chilling Units is discharged by the operation of chilled water pump, prevent remaining cold that handpiece Water Chilling Units is freezing, thus the antifreeze processing procedure of teacher or student's analog simulation cold source of air conditioning system can be helped further, deepen understanding cold source of air conditioning system being carried out to antifreeze process.
Embodiment 3
The present embodiment provides the system emulated cold source of air conditioning system, as shown in Figure 5, comprise: emulation platform, comprise first kind analog machine 100, Equations of The Second Kind analog machine 200 and the 3rd analoglike equipment 300, wherein, first kind analog machine 100 comprises cooling-water pump analog machine 101 and blower fan of cooling tower analog machine 102, and Equations of The Second Kind analog machine 200 comprises chilled water pump analog machine the 201, three analoglike equipment 300 and comprises handpiece Water Chilling Units analog machine 301.
Display panel 400, for showing the operation conditions of cold source of air conditioning system.Preferably, display panel 400 comprises multiple LCDs, for showing the force value, chilled water pressure difference, chilled water pressure-difference valve opening value, cooling water supply temperature, chilled water return water temperature, water bypass opening value, blower fan of cooling tower frequency etc. of chilled water return water temperature, chilled water supply water temperature, chilled-water flow, chilled water constant pressure point.
Guidance panel 500, comprise multiple shift knob and multiple knob, for producing corresponding control signal according to input, shift knob controls to produce the enabling signal etc. comprising the enabling signal of cold source of air conditioning system, the enabling signal of first kind analog machine, the enabling signal of Equations of The Second Kind analog machine and the 3rd analoglike equipment, and knob can regulate the force value, chilled water pressure difference, cooling water supply temperature, chilled water return water temperature etc. of the chilled water return water temperature of input, chilled water supply water temperature, chilled-water flow, chilled water constant pressure point.
And based on the device 600 that emulation platform emulates cold source of air conditioning system, comprising:
First receiving element 1, for receiving the enabling signal of cold source of air conditioning system;
First judging unit 2, manually boots signal for judging to receive or receives automatically activated signal;
First control module 3, for when receive manually boot signal and receive the enabling signal of the first kind analog machine time, control first kind analog machine and start;
Second control module 4, during for being in starting state when first kind analog machine and receiving the enabling signal of Equations of The Second Kind analog machine, controls Equations of The Second Kind analog machine and starts;
3rd control module 5, for being in starting state when first kind analog machine, Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of the 3rd analoglike equipment, controls the 3rd analoglike device start.
By adopting first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike device build one for emulating the emulation platform of air-conditioning cold source system in the present embodiment, and based on this Design of Simulation Platform method that cold source of air conditioning system is emulated, thus devise and a kind ofly completely just can realize the emulation platform to cold source of air conditioning system emulation based on analogue means, it is without using real system, is easy to realize and be more convenient to experimental teaching.And by after the enabling signal receiving cold source of air conditioning system arrange when receive manually boot signal time, carry out the start-up course of Non-follow control cold source of air conditioning system, thus when the boot sequence of cold source of air conditioning system experimentation person each analog machine fully aware of, start-up time can be shortened, improve simulation efficiency, the startup of teacher explains's cold source of air conditioning system, the course of work can be facilitated, student can be helped again to grasp intuitively, rapidly, understand method of controlling operation thereof to cold source of air conditioning system.And first start first kind analog machine by arranging, the boot sequence of sequence starting Equations of The Second Kind analog machine, the 3rd analoglike equipment again, the precooling treatment process of teacher or student's analog simulation cold source of air conditioning system can be helped, deepen understanding cold source of air conditioning system being carried out to precooling treatment.
Preferably, this system being used for emulating air-conditioning cold source system also comprises:
Second receiving element, for receiving the force value of chilled water constant pressure point.
Second judging unit, for judge this force value whether be less than pressure preset value with fluctuation preset value difference, and whether be greater than pressure preset value with fluctuation preset value and value.
4th control module, during for being less than the difference of pressure preset value with fluctuation preset value when force value, controlling small pump analog machine and starts.
14 control module, for be greater than when force value pressure preset value and fluctuation preset value with value time, control the closedown of small pump analog machine.
First acquiring unit, for receiving the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out a PID regulate according to pressure difference, the output valve regulated by a PID is as the opening value of pressure-difference valve.
Second acquisition unit, for receiving chilled water return water temperature, carrying out the 2nd PID regulate according to chilled water return water temperature, the output valve regulated by the 2nd PID is as the opening value of water bypass.
3rd acquiring unit, regulate for carrying out the 3rd PID according to chilled water return water temperature, the output valve regulated by the 3rd PID is as the frequency values of blower fan of cooling tower.
5th control module, for when receiving pressure moisturizing signal, controlling small pump analog machine and starting.
6th control module, for when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, makes cold source of air conditioning system-down.
7th control module, for when receiving cold source of air conditioning system halt signal, makes cold source of air conditioning system-down.
11 control module, for when receiving automatically activated signal, after the 3rd Preset Time after receiving automatically activated signal, automatically controlling first kind analog machine and starting.
12 control module, for time delay the 4th Preset Time after first kind analog machine starts, and controls the startup of Equations of The Second Kind analog machine automatically.
13 control module, for time delay the 5th Preset Time after Equations of The Second Kind analog machine starts, and controls the 3rd analoglike device start automatically.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.

Claims (13)

1. method cold source of air conditioning system emulated based on emulation platform, described emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, it is characterized in that, described method comprises the steps:
Receive the enabling signal of cold source of air conditioning system;
Judgement receives and manually boots signal or receive automatically activated signal;
When receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
When described first kind analog machine is in starting state and receives the enabling signal of Equations of The Second Kind analog machine, control described Equations of The Second Kind analog machine and start;
When described first kind analog machine be in starting state, described Equations of The Second Kind analog machine be in starting state and receive the enabling signal of the 3rd analoglike equipment time, control described 3rd analoglike device start.
2. method according to claim 1, is characterized in that, described emulation platform also comprises small pump analog machine, after the described 3rd analoglike device start of described control, also comprises the steps:
Receive the force value of chilled water constant pressure point;
Judge whether described force value is less than the difference of pressure preset value and fluctuation preset value;
When described force value is less than the difference of pressure preset value and fluctuation preset value, controls small pump analog machine and start.
3. method according to claim 1 and 2, is characterized in that, after the described 3rd analoglike device start of described control, also comprises the steps:
Receive the pressure difference of chilled water pressure of supply water and pressure of return water, carry out a PID regulate according to described pressure difference, the output valve regulated by a described PID is as the opening value of pressure-difference valve; And/or
Receive chilled water return water temperature, carry out the 2nd PID regulate according to described chilled water return water temperature, the output valve regulated by described 2nd PID is as the opening value of water bypass; And/or
Carry out the 3rd PID according to described chilled water return water temperature to regulate, the output valve regulated by described 3rd PID is as the frequency values of blower fan of cooling tower.
4. the method according to any one of claim 1-3, is characterized in that, after the described 3rd analoglike device start of described control, also comprises the steps:
When receiving pressure moisturizing signal, controlling small pump analog machine and starting; And/or
When receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, make cold source of air conditioning system-down; And/or
When receiving cold source of air conditioning system halt signal, make cold source of air conditioning system-down.
5. method according to claim 4, is characterized in that, described in the step of cold source of air conditioning system-down is comprised:
Control described 3rd analoglike device shutdown;
Time delay first Preset Time after described 3rd analoglike device shutdown, and control the closedown of described first kind analog machine;
Time delay second Preset Time after described first kind analog machine cuts out, and control the closedown of described Equations of The Second Kind analog machine.
6. the method according to any one of claim 1-5, is characterized in that, also comprises the steps:
When receiving automatically activated signal, after the 3rd Preset Time after receiving described automatically activated signal, automatically controlling described first kind analog machine and starting;
Time delay the 4th Preset Time after described first kind analog machine starts, and automatically control the startup of described Equations of The Second Kind analog machine;
Time delay the 5th Preset Time after described Equations of The Second Kind analog machine starts, and automatically control described 3rd analoglike device start.
7. device cold source of air conditioning system emulated based on emulation platform, described emulation platform comprises first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine, it is characterized in that, comprising:
First receiving element, for receiving the enabling signal of cold source of air conditioning system;
First judging unit, manually boots signal for judging to receive or receives automatically activated signal;
First control module, for when receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
Second control module, during for being in starting state when described first kind analog machine and receiving the enabling signal of described Equations of The Second Kind analog machine, controls described Equations of The Second Kind analog machine and starts;
3rd control module, for being in starting state when described first kind analog machine, described Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of described 3rd analoglike equipment, controls described 3rd analoglike device start.
8. device according to claim 7, is characterized in that, after described 3rd control module, also comprises:
Second receiving element, for receiving the force value of chilled water constant pressure point;
Second judging unit, for judge described force value whether be less than pressure preset value with fluctuation preset value difference, and whether be greater than pressure preset value with fluctuation preset value and value;
4th control module, during for being less than the difference of pressure preset value with fluctuation preset value when described force value, controlling small pump analog machine and starts.
9. the device according to claim 7 or 8, is characterized in that, after described 3rd control module, also comprises:
First acquiring unit, for receiving the pressure difference of chilled water pressure of supply water and pressure of return water, carrying out a PID according to described pressure difference and regulating, and the output valve regulated by a described PID is as the opening value of pressure-difference valve; And/or
Second acquisition unit, for receiving chilled water return water temperature, carrying out the 2nd PID according to described chilled water return water temperature and regulating, and the output valve regulated by described 2nd PID is as the opening value of water bypass; And/or
3rd acquiring unit, regulates for carrying out the 3rd PID according to described chilled water return water temperature, and the output valve regulated by described 3rd PID is as the frequency values of blower fan of cooling tower.
10. the device according to any one of claim 7-9, is characterized in that, after described 3rd control module, also comprises:
5th control module, for when receiving pressure moisturizing signal, controlling small pump analog machine and starting; And/or
6th control module, for when receiving cooling-water pump fault-signal, blower fan of cooling tower fault-signal, handpiece Water Chilling Units fault-signal or chilled water pump fault-signal, makes cold source of air conditioning system-down; And/or
7th control module, for when receiving cold source of air conditioning system halt signal, makes cold source of air conditioning system-down.
11. devices according to claim 10, is characterized in that, described 6th control module or the 7th control module comprise:
8th control module, for controlling described 3rd analoglike device shutdown;
9th control module, for time delay first Preset Time after described 3rd analoglike device shutdown, and controls the closedown of described first kind analog machine;
Tenth control module, for time delay second Preset Time after described first kind analog machine cuts out, and controls the closedown of described Equations of The Second Kind analog machine.
12. devices according to any one of claim 7-11, is characterized in that, also comprise:
11 control module, for when receiving automatically activated signal, after the 3rd Preset Time after receiving described automatically activated signal, automatically controlling described first kind analog machine and starting;
12 control module, for time delay the 4th Preset Time after described first kind analog machine starts, and controls the startup of described Equations of The Second Kind analog machine automatically;
13 control module, for time delay the 5th Preset Time after described Equations of The Second Kind analog machine starts, and controls described 3rd analoglike device start automatically.
13. 1 kinds of systems emulated cold source of air conditioning system, is characterized in that, comprising:
Emulation platform, comprise first kind analog machine, Equations of The Second Kind analog machine and the 3rd analoglike equipment, described first kind analog machine comprises cooling-water pump analog machine and blower fan of cooling tower analog machine, described Equations of The Second Kind analog machine comprises chilled water pump analog machine, and described 3rd analoglike equipment comprises handpiece Water Chilling Units analog machine;
Display panel, for showing the operation conditions of cold source of air conditioning system;
Guidance panel, comprise multiple shift knob and multiple knob, for producing corresponding control signal according to input, it comprises the enabling signal of the enabling signal of cold source of air conditioning system, the enabling signal of first kind analog machine, the enabling signal of Equations of The Second Kind analog machine and the 3rd analoglike equipment;
And based on the device that emulation platform emulates cold source of air conditioning system, comprising:
First receiving element, for receiving the enabling signal of cold source of air conditioning system;
First judging unit, manually boots signal for judging to receive or receives automatically activated signal;
First control module, for when receive manually boot signal and receive the enabling signal of the described first kind analog machine time, control described first kind analog machine start;
Second control module, during for being in starting state when described first kind analog machine and receiving the enabling signal of described Equations of The Second Kind analog machine, controls described Equations of The Second Kind analog machine and starts;
3rd control module, for being in starting state when described first kind analog machine, described Equations of The Second Kind analog machine being when being in starting state and receiving the enabling signal of the 3rd analoglike equipment, controls described 3rd analoglike device start.
CN201510612209.8A 2015-09-24 2015-09-24 Method, device and system for simulating air-conditioning cold source system based on simulation platform Pending CN105160980A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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CN106196791A (en) * 2016-08-18 2016-12-07 重庆美的通用制冷设备有限公司 The control method of handpiece Water Chilling Units and control system
WO2018082305A1 (en) * 2016-11-02 2018-05-11 重庆美的通用制冷设备有限公司 Model selecting method and device for water chilling unit
CN112799314A (en) * 2021-01-11 2021-05-14 南京福加自动化科技有限公司 Intelligent environment energy-saving simulation comprehensive test platform

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CN106196791A (en) * 2016-08-18 2016-12-07 重庆美的通用制冷设备有限公司 The control method of handpiece Water Chilling Units and control system
CN106196791B (en) * 2016-08-18 2019-04-26 重庆美的通用制冷设备有限公司 The control method and control system of water cooler
WO2018082305A1 (en) * 2016-11-02 2018-05-11 重庆美的通用制冷设备有限公司 Model selecting method and device for water chilling unit
CN112799314A (en) * 2021-01-11 2021-05-14 南京福加自动化科技有限公司 Intelligent environment energy-saving simulation comprehensive test platform

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