CN101350150A - Experimental real-training apparatus for central air-conditioning system - Google Patents
Experimental real-training apparatus for central air-conditioning system Download PDFInfo
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- CN101350150A CN101350150A CNA2008101203703A CN200810120370A CN101350150A CN 101350150 A CN101350150 A CN 101350150A CN A2008101203703 A CNA2008101203703 A CN A2008101203703A CN 200810120370 A CN200810120370 A CN 200810120370A CN 101350150 A CN101350150 A CN 101350150A
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Abstract
The invention discloses an experiment practical training device of a central air-conditioning system, which comprises a cooling tower, a control platform, a part mounting frame, a high lever water tank, a simulation air-conditioning area, a simulation boiler and a system frame, wherein the cooling tower, the part mounting frame, the high lever water tank and the simulation boiler are arranged on the system frame. Using the experiment practical training device, various works which are experiment practical training teaching of the central air-conditioning system, engineering training, the application of sensor detection technique, programmable control technique and the development of configuration technical program and the like can be done, and the experiment practical training device has a large practical value.
Description
Technical field
The present invention relates to a kind of instruments used for education, especially, relate to a kind of central air conditioner system experimental real-training apparatus.
Background technology
Central air conditioner is a kind of airhandling equipment that generally adopts in the modern architecture, plays an important role in national product and life.Since the reform and opening-up, the central air conditioner technology develops rapidly at home, for possessing the air-conditioning operation, the debugging and the talent who safeguards lack day by day, each colleges and universities and professional colleges have been set up specialties such as Refrigeration ﹠ Air-Conditioning engineering respectively, for a large amount of Refrigeration ﹠ Air-Conditionings aspect technician has cultivated in society, but these technician's ubiquity post training times are long, the practical experience deficiency, problems such as manipulative ability difference, these problems do not have more perfect experimental real-training equipment mainly due to school's experimental teaching, and adopt visit to examine or check the mode of actual central air conditioning project, the central air conditioning project of practical application is owing to count many, it is wide to distribute, power is big, not directly perceived, the student can only understand roughly principle of work and process, can not hands-on, experiment teaching effect is poor.According to the policy of the national training of personnel, these technician can not adapt to present requirement of enterprise, therefore need retrain or raising students'ability for practice and problem-solving ability in experimental teaching; Product of the present invention is a kind ofly to be used for refrigeration air-conditioner specialty or to prepare to be engaged in the instructional device that the personnel of refrigerating and air conditioning industry carry out technical ability practical operation training, device is consistent with the field engineering structure, adopt modular construction, increase simultaneously the fault function is set, the student can be by the course of work, the control method of the actual central air conditioner system of this device study in learning process, and can start to finish real training project such as maintenance.Though the central air conditioner experiment device for teaching is a lot of in the market, but the central air conditioner education experiment actual training device of many producers exploitation, still adopt the software teaching mode, though perhaps some producer adopts mock-up, but model is too simplified, and various states that can not the true reappearance field control lack flexible, structure and actual central air conditioning project are inconsistent and fault can not be set, and can not solve the problem that present technician exists.
Summary of the invention
The object of the invention is at the deficiencies in the prior art, and a kind of central air conditioner system experimental real-training instructional device is provided.
The objective of the invention is to be achieved through the following technical solutions: a kind of central air conditioner system experimental real-training apparatus, it comprises that cooling tower, control platform, parts erecting frame, a high position add water tank, simulation air conditioning area, simulation boiler and system framework.Wherein, described cooling tower, parts erecting frame, a high position add water tank, simulation boiler erection on system framework.
Further, on the described parts erecting frame refrigeration system component, heating parts and total parts are installed.Refrigeration system component comprises compressor, reservoir, device for drying and filtering, condenser, evaporator, heating power expansion valve, liquid-sighting glass, condenser, evaporator, hand valve and pipeline.The heating parts comprise plate type heat exchanger and pipeline.Total parts comprise water trap, water collector and water pump and valve.
Further, refrigeration system component on the described parts erecting frame and common component and cooling tower, a high position add water tank, the simulation air conditioning area is formed air-conditioning refrigeration system.Heating parts on the parts erecting frame and common component and simulation boiler, simulation air conditioning area are formed the air-conditioning heating.
Further, described simulation air conditioning area is connected by pipeline with control assembly on being installed in system framework, the control platform links to each other with control assembly by the forceful electric power circuit, and the control platform links to each other with control assembly with the simulation air conditioning area respectively with the light current circuit by the light current circuit.
Further, described simulation air conditioning area is divided into module room and simulation hall, and simulation is equipped with heat exchanger in the room; Module is equipped with air-conditioning box in the hall; Separate by the PVC material between simulation room and the simulation hall, and insulation material is installed.
The invention has the beneficial effects as follows: central air conditioner system experimental real-training apparatus of the present invention has whole network framework and mock-up, promptly from the client to the server, adopt Industrial Ethernet communications exchange data, server is as the core of upper strata monitor network, simultaneously carry out exchanges data, adopt the multi-point communication agreement therebetween with controller.The controller that adopts is collected together the data in real time of scene operation, carries out quantities computing and processing, and requires the actuator on the on-the-spot model is controlled according to control.Parts all in the engineering site have been comprised in the mock-up, parts have been considered many-sided factors such as space hold, device parameter design fully when configuration and exploitation, not only make model meet field engineering reality, and satisfy the requirement of basic education experiment real training, can expand secondary development, open strong Comprehensive Experiment real training platform but make every effort to simultaneously become.Therefore, the present invention is to provide a comprehensive experimental real-training environment, can carry out many-sided work such as the teaching of central air conditioner system experimental real-training, engineering training, sensor detecting application, control technology able to programme and configuration technology program development by the present invention, have bigger practical value.
Description of drawings
Fig. 1 is a central air conditioner system experimental real-training apparatus structure reference diagram;
Fig. 2 is simulation air conditioning area vertical view;
Fig. 3 is control platform, controlling object, simulation air conditioning area connection diagram;
Fig. 4 is a compressor cooling process fundamental diagram;
Fig. 5 is transferred space refrigeration process fundamental diagram;
Fig. 6 is the cooling water recirculation system fundamental diagram;
Fig. 7 is simulation boiler circulation fundamental diagram;
Fig. 8 is heated the process fundamental diagram for transferring the space;
Fig. 9 is transferred space empty gas processing system fundamental diagram;
Figure 10 is control platform structure figure;
Figure 11 is provided with schematic diagram for fault;
Figure 12 is the acquisition system block diagram;
Figure 13 is the supervisory system block diagram.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, organization plan of the present invention is described in further detail.
With reference to Fig. 1, a kind of described central air conditioner system experimental real-training apparatus comprises that cooling tower 1, control platform 2, parts erecting frame 3, a high position add water tank 4, simulation air conditioning area 5, simulation boiler 6 and system framework 7.
Particularly, cooling tower 1, parts erecting frame 3, a high position add water tank 4, simulation boiler 6 is installed on the system framework 7; Refrigeration system component and heating parts such as plate type heat exchanger, pipeline such as compressor, reservoir, device for drying and filtering, condenser, evaporator, heating power expansion valve, liquid-sighting glass, condenser, evaporator, hand valve, pipeline wherein are installed on the parts erecting frame 3, refrigeration system and heating shared water trap, water collector and parts such as water pump, valve are installed on parts erecting frame 3 in addition.
Refrigeration system component on the parts erecting frame 3 and common component and cooling tower 1, a high position add water tank 4, simulation air conditioning area 5 is formed air-conditioning refrigeration system; Heating parts on the parts erecting frame 3 and common component and simulation boiler 6, simulation air conditioning area 5 are formed the air-conditioning heating.
Again particularly, with reference to Fig. 3, simulation air conditioning area 5 and be installed in system framework 7 on control assembly 18 be connected by pipeline, control platform 2 links to each other with control assembly 18 by forceful electric power circuit 19, control platform 2 also links to each other with control assembly 18 with simulation air conditioning area 5 respectively with light current circuit 20 by light current circuit 17, control platform 2 by the execution unit in forceful electric power circuit 19 control assemblies 18 startup and stop; Control platform 2 is gathered parameters such as temperature in simulation air conditioning area 5 and the parts 18, flow, pressure respectively by light current circuit 17 and light current circuit 20, and according to the control requirement actuator in the parts 18 is controlled.
Wherein, again in conjunction with shown in Figure 2, simulation air conditioning area 5 is divided into module room 9 and simulation hall 14, and simulation is equipped with the heat exchanger 8 that is used for heat interchange in the room 9; The air-conditioning box 13 that is used for air-treatment is installed in the module hall 14; Separate by the PVC material between simulation room 9 and the simulation hall 14, and insulation material 10 is installed.
Particularly, comprise fresh wind port temperature sensor and output interface 103, new air valve 102, return air inlet 89, temperature sensor and output interface 104, filtrator 101, wind pressure sensor 105, blast transmitter 106, signal output interface 107, heat exchanger 48, temperature sensor and output interface 98, well heater 97, temperature sensor and output interface 96, blower fan 94, wind pressure sensor 112, blast transmitter 113, signal output interface 114 in the air-conditioning box 13; New air valve 102 control resh air requirements, new wind filters the bulky grain dust with after return air mixes with filtrator 101, and the pure air after the filtration is delivered to by blower fan behind heat exchanger and well heater and is simulated the hall, the realization adjustment; Simultaneously, for the duty of monitoring air-conditioning box, at filtrator 101 and blower fan 94 both sides differential pressure pickup is installed respectively, at each temperature variation point mounting temperature sensor and interface.
With reference to shown in Figure 4, compressor 34 on the erecting frame 3, reservoir 28, device for drying and filtering 31, condenser 23, evaporator 36, heating power expansion valve 32, liquid-sighting glass 29, charging valve 33, hand valve 26, hand valve 27, hand valve 30, pipeline 25 etc. are formed refrigeration system, and wherein the condensate water in the condenser circulates by water pipe 22 and water pipe 24; Chilled water in the evaporator 36 circulates by water pipe 35 and water pipe 37.Refrigeration system is finished by four processes, that is: throttling process-evaporation process-compression process-condensation process.
Particularly, compressor 34 is collapsed into high pressure-temperature gas with low-temperature low-pressure refrigerant and discharges, the high pressure-temperature gas refrigerant is in condenser 23, with the water in the heat transferred condenser 23, high temperature and high pressure gaseous refrigerant is condensed into high-pressure liquid, high pressure liquid refrigerant becomes low-pressure liquid by heating power expansion valve 32 and enters evaporator, and the water in low-pressure, liquid refrigerant and the evaporator 36 carries out heat interchange and vaporizes, and has absorbed the heat of water in the evaporator 36 in the vaporescence.Cold water in the evaporator 36 circulates by water pipe 35 and water pipe 37.
System finally will regulate the temperature in simulation room 9 and the simulation hall 14, be divided into two kinds of courses of work, one is a process of refrigerastion, with reference to Fig. 5, water pump 42 and water pump 44 are delivered to water in the evaporator 36 heat exchanger 8 that is installed in the simulation room 9 and the heat exchanger 48 that is installed in the air-conditioning box 13 by water collector, at the water inlet of heat exchanger 8 and heat exchanger 48 solenoid valve 45 and solenoid valve 49 are installed respectively, two solenoid valves are used for controlling the water that enters heat exchanger, simultaneously, water pump 42 and water pump 44 are regulated by frequency converter, and the temperature fluctuation amplitude in simulation room 9 and the simulation hall 14 of guaranteeing is in ± 1 degree centigrade of scope.
Simultaneously, with reference to Fig. 6, must the water in the condenser 23 be cooled off, the assurance refrigeration system is normally moved.We are referred to as cooling water system, and cooling water system is made up of water pump 72 and water pump 73, retaining valve 71, water flow switch 76, hand valve 74, cooling tower 75; Water pump 72 and water pump 73 are delivered to the water in the condenser 23 in the cooling tower 75, cool off by cooling tower 75, and cooled water is carried back in the condenser by water pump again.
It is two for heating the course of work, with reference to Fig. 7, finish simulation room 9 and simulation hall 14 processes of heating and comprise simulation boiler 85, water pump 83, valve 84, valve 86, heat interchanger 80, pipeline 81, pipeline 79, pipeline 87 compositions, water pump 83 will be simulated after hot water in the boiler is delivered to heat interchanger 80 and carries out heat exchange by pipeline and valve, and loop back in the simulation boiler and reheat.
With reference to Fig. 8, water pump 42 and water pump 44 are delivered to water in the evaporator 36 heat exchanger 8 that is installed in the simulation room 9 and the heat exchanger 48 that is installed in the air-conditioning box 13 by water collector, at the water inlet of heat exchanger 8 and heat exchanger 48 solenoid valve 45 and solenoid valve 49 are installed respectively, two solenoid valves are used for controlling the water that enters heat exchanger, simultaneously, water pump 42 and water pump 44 are regulated by frequency converter, and the temperature fluctuation amplitude in simulation room 9 and the simulation hall 14 of guaranteeing is in ± 1 degree centigrade of scope.
Simulating room 9, simulation hall 14 inner air temperature sensor and the transmitters installed, detect the temperature of simulating hall 14 and simulation room 9; The PT100 temperature sensor is installed on compressor 34 air entry copper pipes, exhausr port copper pipe is detected air entry and exhausr port refrigerant temperature, at cooling tower 75 intake-outlets, simulation boiler 85 water delivering orifices, condenser 23 intake-outlets, evaporator 36 intake-outlets the PT100 temperature sensor is installed respectively, detect the temperature value of each point, the signal wire of all the sensors is connected on the signal interface board 42 core aviation sockets in order; The power lead of compressor 34, blower fan 94, water pump 72, water pump 73, water pump 45, water pump 49, water pump 83, fan coil 8 is connected to signal interface board 19 core aviation sockets in order.
Control is equipped with relay 120, PLC control module and expansion module 118, power switch 115, gauge tap 117, signal terminal 119, auxiliary reclay plate 120 on the platform 2, fault is provided with parts such as plate 133, forceful electric power aviation socket 121, light current aviation socket 122; Signal terminal 119 is connected with light current aviation socket 122 by lead; Forceful electric power aviation socket 121 is connected on the auxiliary reclay plate 120; Promptly can be manually on the platform 2 or control parts on erecting frame 3 and the simulation air conditioning area 5 automatically in control; Under the manual work mode, can directly control the start and stop of on-the-spot parts by the gauge tap 117 on the control platform; Under automatic working method, control program can require the duty of direct controlling object parts according to control in PLC control module and the interface module 118, detects the value and the conversion of erecting frame 3 and simulation air conditioning area 5 upper sensor signals simultaneously.On supervisory control comuter, can directly show the duty of experimental real-training object upper-part and the sensor values of each point by server version software.
Particularly, with reference to Figure 11, fault is provided with unit 133 and comprises that power supply terminal 123, fault are provided with switch 127, fault and are provided with that switch 128, fault are provided with switch 129, fault is provided with switch 130, signal mixed plate 131, fault-signal interface board 132; Power supply terminal 123 inserts the 24V direct current signal, signal mixed plate 131 is provided with switch 127, fault with fault and is provided with that switch 128, fault are provided with switch 129, fault is provided with switch 130 and is encoded to 16 kinds of combinations, and No. 16 relays on the control fault signal interface board 132, No. 16 relays on the fault-signal interface board 132 seal in respectively in the heavy-current control circuit, finish the combination function of 16 kinds of faults.
With reference to Figure 12, the switching input module of PLC control module collects PLC inside such as the compressor operating state on the experimental real-training object, pump working state, heat exchanger duty, cooling tower fan work state and carries out logical operation and control, the computing of PLC control module and control result export to relay element by the switching value output module, directly control the duty of experimental real-training object parts.Equally, the analog quantity load module of PLC control module arrives PLC inside with the signals collecting such as temperature of each point on the experimental real-training object, and carry out quantities conversion, computing and processing, the result of PLC control module is exported to on-the-spot execution unit by module amount output module and is controlled.When controlling, supervisory control comuter carries out communication by standard communication interface and PLC control module, and paired domination number shows the operation duty of experimental real-training objective system simultaneously according to carrying out real-time exchange by the mode of animation.
With reference to Figure 13, service version software on the supervisory control comuter can directly connect 50 client computer, in client computer, do not need to install any application software, client computer is by behind the password authorization, can observe directly experimental real-training objective system parts duty and the real time data consistent with server, simultaneously server carries out record to log-on message, data message and the warning message of each client computer, make things convenient for experimental real-training to finish after to real training result's inquiry.
The foregoing description is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (5)
1. a central air conditioner system experimental real-training apparatus is characterized in that, it comprises that cooling tower (1), control platform (2), parts erecting frame (3), a high position add water tank (4), simulation air conditioning area (5), simulation boiler (6) and system framework (7).Wherein, described cooling tower (1), parts erecting frame (3), a high position add water tank (4), simulation boiler (6) is installed on the system framework (7).
2. central air conditioner system experimental real-training apparatus according to claim 1 is characterized in that, described parts erecting frame (3) is gone up refrigeration system component, heating parts and total parts are installed.Refrigeration system component comprises compressor, reservoir, device for drying and filtering, condenser, evaporator, heating power expansion valve, liquid-sighting glass, condenser, evaporator, hand valve and pipeline.The heating parts comprise plate type heat exchanger and pipeline.Total parts comprise water trap, water collector and water pump and valve.
3. central air conditioner system experimental real-training apparatus according to claim 2, it is characterized in that refrigeration system component on the described parts erecting frame (3) and common component and cooling tower (1), a high position add water tank (4), simulation air conditioning area (5) is formed air-conditioning refrigeration system.Heating parts on the parts erecting frame (3) and common component and simulation boiler (6), simulation air conditioning area (5) are formed the air-conditioning heating.
4. central air conditioner system experimental real-training apparatus according to claim 1, it is characterized in that, described simulation air conditioning area (5) is connected by pipeline with control assembly (18) on being installed in system framework (7), control platform (2) links to each other with control assembly (18) by forceful electric power circuit (19), and control platform (2) also links to each other with control assembly (18) with simulation air conditioning area (5) respectively with light current circuit (20) by light current circuit (17).
5. central air conditioner system experimental real-training apparatus according to claim 1 is characterized in that, described simulation air conditioning area (5) is divided into module room (9) and simulation hall (14), in the simulation room (9) heat exchanger (8) is installed; Air-conditioning box (13) is installed in the module hall (14); Separate by the PVC material between simulation room (9) and the simulation hall (14), and insulation material (10) is installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101203703A CN101350150A (en) | 2008-08-28 | 2008-08-28 | Experimental real-training apparatus for central air-conditioning system |
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| CNA2008101203703A CN101350150A (en) | 2008-08-28 | 2008-08-28 | Experimental real-training apparatus for central air-conditioning system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625799A (en) * | 2013-11-28 | 2014-03-12 | 安徽启光能源科技研究院有限公司 | Internal auxiliary facility for mobile energy storage container and control method thereof |
| CN103738615A (en) * | 2013-11-28 | 2014-04-23 | 安徽启光能源科技研究院有限公司 | Movable energy storage container air conditioning system and control method thereof |
| CN105513454A (en) * | 2016-01-28 | 2016-04-20 | 浙江亚龙教育装备股份有限公司 | Central air-conditioner practical training device |
| CN107331236A (en) * | 2017-08-15 | 2017-11-07 | 重庆工程职业技术学院 | A kind of multifunctional electric automates training platform |
| CN107527548A (en) * | 2017-10-16 | 2017-12-29 | 上海电力学院 | Industrial circulating cooling water system synthetic instruction experiment porch |
| CN110673585A (en) * | 2019-10-15 | 2020-01-10 | 新誉轨道交通科技有限公司 | Test method, test device and test system for train air conditioning system |
| CN110837266A (en) * | 2019-11-21 | 2020-02-25 | 天津中德应用技术大学 | Building energy consumption monitoring training system |
| CN112667334A (en) * | 2020-12-25 | 2021-04-16 | 瀚云科技有限公司 | Configuration method and device of equipment control information, electronic equipment and storage medium |
-
2008
- 2008-08-28 CN CNA2008101203703A patent/CN101350150A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625799A (en) * | 2013-11-28 | 2014-03-12 | 安徽启光能源科技研究院有限公司 | Internal auxiliary facility for mobile energy storage container and control method thereof |
| CN103738615A (en) * | 2013-11-28 | 2014-04-23 | 安徽启光能源科技研究院有限公司 | Movable energy storage container air conditioning system and control method thereof |
| CN103738615B (en) * | 2013-11-28 | 2016-01-27 | 安徽启光能源科技研究院有限公司 | A kind of control method of mobile energy storage container air-conditioning system |
| CN103625799B (en) * | 2013-11-28 | 2016-05-25 | 安徽启光能源科技研究院有限公司 | The control method of the inner auxiliary equipment of a kind of mobile energy storage container |
| CN105513454A (en) * | 2016-01-28 | 2016-04-20 | 浙江亚龙教育装备股份有限公司 | Central air-conditioner practical training device |
| CN107331236A (en) * | 2017-08-15 | 2017-11-07 | 重庆工程职业技术学院 | A kind of multifunctional electric automates training platform |
| CN107527548A (en) * | 2017-10-16 | 2017-12-29 | 上海电力学院 | Industrial circulating cooling water system synthetic instruction experiment porch |
| CN110673585A (en) * | 2019-10-15 | 2020-01-10 | 新誉轨道交通科技有限公司 | Test method, test device and test system for train air conditioning system |
| CN110673585B (en) * | 2019-10-15 | 2021-01-22 | 新誉轨道交通科技有限公司 | Test method, test device and test system for train air conditioning system |
| CN110837266A (en) * | 2019-11-21 | 2020-02-25 | 天津中德应用技术大学 | Building energy consumption monitoring training system |
| CN112667334A (en) * | 2020-12-25 | 2021-04-16 | 瀚云科技有限公司 | Configuration method and device of equipment control information, electronic equipment and storage medium |
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Open date: 20090121 |