CN206040081U - Central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system - Google Patents
Central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system Download PDFInfo
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- CN206040081U CN206040081U CN201620729874.5U CN201620729874U CN206040081U CN 206040081 U CN206040081 U CN 206040081U CN 201620729874 U CN201620729874 U CN 201620729874U CN 206040081 U CN206040081 U CN 206040081U
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Abstract
The utility model discloses a central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system. The experiment platform is by consecutive the connecing of entrance point of compressor, stop valve, air cooled condenser, high -pressure reservoir, drier -filter, solenoid valve no. 1, two exit ends of solenoid valve are connected with manual aciculiform choke valve entrance point, three exit ends of solenoid valve are connected with the thermostatic expansion valve entrance point, manual aciculiform choke valve exit end, thermostatic expansion valve exit end and electronic expansion valve exit end are connected with double -pipe heat exchanger's refrigerant entrance point, double -pipe heat exchanger's refrigerant exit end is connected with the induction port of compressor, double -pipe heat exchanger's water side exit end is connected with electrical control valve entry end, five exit ends of solenoid valve are connected with surface cooler entrance point in the combined type air conditioner case, exit end, water pump, consecutive the connecing of double pipe heat exchanger water side -entrance of freezing water tank. This experiment platform is equipped with data acquisition system and gathers, controls the various data of system's operation, carries out the ethernet transmission at data acquisition system, realizes that direct remote data shows.
Description
Technical field
This utility model is related to a kind of central air-conditioning synthesis experiment platform, specifically a kind of to be based on steam compression type system
The central air-conditioning synthesis experiment platform of cooling system.
Background technology
In Thermal Energy and Power Engineering and building environment and equipment engineering, each colleges and universities also set up refrigeration related specially one after another
The input of industry or increasing to Refrigeration Specialty.But at present in education experiment link, especially various teaching experiment platforms, refrigeration air-conditioner
Systematic teaching platform is due to adapting to field research process.
Air conditioning system refrigeration plant is that refrigeration system is combined typical case with air conditioning system, in study central air conditioner system
When, to not only learn air conditioning system, it is often more important that air-conditioning refrigeration system and correlation technique will be learnt, but it is many at present
Experimental teaching equipment does not consider the associativity that air-conditioning adjusts process and refrigeration system itself.In this context, this practicality
It is new to propose a kind of central air-conditioning synthesis experiment platform based on vapour compression refrigeration system, in the base that study air-conditioning is adjusted
On plinth, the education experiment link of refrigeration plant is increased, be capable of achieving the switching of multiple modes of operation, make teaching process richer
Richness, suits engineering reality.
Utility model content
This utility model detects for the combination property of steam compression type central air conditioning equipment, discloses one kind and be based on steam
The central air-conditioning synthesis experiment platform of compression-type refrigerating system.
This utility model is achieved through the following technical solutions：
The experiment porch by compressor 1, stop valve 18, air cooled condenser 2, high-pressure reservoir 3, device for drying and filtering 4,
The entrance point of one 5a of electromagnetic valve is sequentially connected and connects；The one 5a ports of export of the electromagnetic valve and two 5b of electromagnetic valve, three 5c of electromagnetic valve, electromagnetism
Four 5d entrance points of valve are connected；The two 5b ports of export of the electromagnetic valve are connected with 6 entrance point of manual needle regulator；The electromagnetism
The three 5c ports of export of valve are connected with 7 entrance point of heating power expansion valve；The four 5d ports of export of the electromagnetic valve and 8 entrance point of electric expansion valve
It is connected；6 port of export of manual needle regulator, 7 port of export of heating power expansion valve and 8 port of export of electric expansion valve and sleeve pipe are changed
The refrigerant inlet end of hot device 9 is connected；The refrigerant outlet end of described sleeve pipe heat exchanger 9 is connected with the air entry of compressor 1
Connect；The water side outlet end of described sleeve pipe heat exchanger 9 is connected with 17 arrival end of electric control valve, 17 port of export of the electric control valve
It is connected with five 5e entrance points of electromagnetic valve and six 5f entrance points of electromagnetic valve；The five 5e ports of export of the electromagnetic valve and combined air conditioning box
14 entrance point of surface cooler in 13 is connected；14 port of export of the surface cooler and the six 5f ports of export of electromagnetic valve and freezing water tank 10
Entrance point is connected；The port of export of freezing water tank 10, water pump 11,9 water side-entrance of double pipe heat exchanger are sequentially connected and connect.
In the refrigeration system equipment of this experiment porch, compressor 1, the blower fan of air-cooled condenser 2, water pump 11 and combination type are empty
Adjust 13 volume blower fan of case added with arrangements for speed regulation, 30～50Hz energy-saving and frequency-variables of feasible system operation are adjusted, while equipped with change
Frequency motor control development kit, the secondary development for being easy to arrangements for speed regulation to adjust；Whole system pipeline is provided with electromagnetic valve, in system
Do not run or long-range switch-mode regulation can be carried out in the pipeline that need not be run；Combined air conditioning box 13 have fresh air supplement,
Refrigeration, heating, humidification function, can realize constant temperature and humidity control；Chilled water pipeline is provided with electric control valve, and auxiliary is overall to be
System carries out status adjustment, can receive analog signalses and be adjusted in 0～100% scope.
Pipeline of this experiment porch between compressor and condenser arrange temperature sensor one, pressure transducer one,
Pipeline between device for drying and filtering and electromagnetic valve 5a arranges temperature sensor two, pressure transducer two, measures compressor suction and discharge
Temperature, pressure；Before and after choke valve, pipeline arranges temperature sensor three and temperature sensor four, pressure transducer three and pressure are passed
Sensor four, temperature and pressure before and after measurement throttling；Inlet temperature sensor one is equipped with double-tube heat exchanger chilled water import and export
With outlet temperature sensor one, and effusion meter is provided with, measurement chilled water turnover temperature, chilled-water flow；In combined air conditioning box
Chilled water import and export arranges inlet temperature sensor two and outlet temperature sensor two, and measurement surface cooler imports and exports freezing temperature
Degree.
This experiment porch arranges standard running status and programme-control running status.System operation at standard running condition
Automatic adjusument, balance can be carried out, rational running status is selected.Under running state of programs, user need to be to the ginseng of product
Number carries out assignment setting, and system is run according to setup parameter, can also carry out the fine setting of local according to data variation in running
The optimum state of system is found out in analysis.
This experiment porch is equipped with data collecting system and system operation data temperature, pressure, flow is acquired, is controlled,
Ethernet transmission is carried out in data collecting system, realizes that direct teledata shows.
This experiment porch is equipped with analog acquisition and control device, shows electronic expansion valve opening in real time.
Description of the drawings
Fig. 1 is this utility model structure principle chart.
Specific embodiment
This utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain this utility model, is not used to limit this utility model.
As shown in figure 1, experiment porch is by compressor 1, stop valve 18, air cooled condenser 2, high-pressure reservoir 3, dried
Filter 4, the entrance point of one 5a of electromagnetic valve are sequentially connected and connect；The one 5a ports of export of the electromagnetic valve and two 5b of electromagnetic valve, electromagnetic valve three
5c, four 5d entrance points of electromagnetic valve are connected；The two 5b ports of export of the electromagnetic valve are connected with 6 entrance point of manual needle regulator；
The three 5c ports of export of the electromagnetic valve are connected with 7 entrance point of heating power expansion valve；The four 5d ports of export of the electromagnetic valve and electronic expansion
8 entrance point of valve is connected；6 port of export of manual needle regulator, 7 port of export of heating power expansion valve and electric expansion valve 8 are exported
End is connected with the refrigerant inlet end of double-tube heat exchanger 9；The refrigerant outlet end of described sleeve pipe heat exchanger 9 and compressor 1
Air entry is connected；The water side outlet end of described sleeve pipe heat exchanger 9 is connected with 17 arrival end of electric control valve, the motorized adjustment
17 port of export of valve is connected with five 5e entrance points of electromagnetic valve and six 5f entrance points of electromagnetic valve；The five 5e ports of export of the electromagnetic valve and group
14 entrance point of surface cooler in box-like air-conditioning box 13 is connected；14 port of export of the surface cooler and the six 5f ports of export of electromagnetic valve with it is cold
The entrance point for freezing water tank 10 is connected；The port of export of freezing water tank 10, water pump 11,9 water side-entrance of double pipe heat exchanger phase successively
Connection.
Pipeline of this experiment porch between compressor and condenser arranges temperature sensor 1, pressure transducer one
15th, the pipeline between device for drying and filtering and electromagnetic valve 5a arranges temperature sensor two, pressure transducer two, and measurement compressor is inhaled
Delivery temperature, pressure；Before and after choke valve, pipeline arranges temperature sensor three and temperature sensor four, pressure transducer three and pressure
Force transducer four, temperature and pressure before and after measurement throttling；Inlet temperature sensing is equipped with double-tube heat exchanger chilled water import and export
Device one and outlet temperature sensor one, and effusion meter is provided with, measurement chilled water turnover temperature, chilled-water flow；It is empty in combination type
Adjust case chilled water import and export that inlet temperature sensor two and outlet temperature sensor two are set, measurement surface cooler imports and exports freezing
Coolant-temperature gage.
A kind of operation principle of the central air-conditioning synthesis experiment platform based on vapour compression refrigeration system of this utility model
It is as follows：Compressor 1 sucks low-pressure low-temperature refrigerant gas, is changed into high pressure, high temperature refrigerant gas after compression, cold into condenser 2
But the middle temperature refrigerant liquid of high pressure is condensed into, through fluid reservoir 3, device for drying and filtering 4, electromagnetic valve 5a, then is entered through electromagnetic valve 5b
Enter electronic needle regulator 6；Or heating power expansion valve 7 is entered through electromagnetic valve 5c again；Or electricity is entered through electromagnetic valve 5d again
Sub- expansion valve 8；Reducing pressure by regulating flow is changed into the refrigerant liquid sleeve pipe heat exchanger 9 of low-pressure low-temperature, in double-tube heat exchanger 9 with from
The water of 10 Jing water pumps 12 of freezing water tank carries out heat exchange, and heat absorption evaporation becomes low-pressure low-temperature refrigerant gas, returns to compressor 1.
Water Jing water pumps 12 in freezing water tank 10, sleeve pipe heat exchanger 9 carry out hot friendship with low-temperature refrigerant in double-tube heat exchanger 9
Change, temperature reduces being changed into water at low temperature in the surface cooler 14 in combined air conditioning box 13 or being returned directly to freezing water tank 10
In, in surface cooler 14, water at low temperature carries out heat exchange with hot-air, absorbs thermal temperature and raises, returns in freezing water tank 10.
Claims (5)
1. a kind of central air-conditioning synthesis experiment platform based on vapour compression refrigeration system, it is characterised in that the experiment is put down
Platform is sequentially connected by the entrance point of compressor, stop valve, air cooled condenser, high-pressure reservoir, device for drying and filtering, electromagnetic valve one
Connect；One port of export of the electromagnetic valve is connected with electromagnetic valve two, electromagnetic valve three, four entrance point of electromagnetic valve；The electromagnetic valve two goes out
Mouth end is connected with manual needle regulator entrance point；Three port of export of the electromagnetic valve is connected with heating power expansion valve entrance point；
Four port of export of the electromagnetic valve is connected with electric expansion valve entrance point；The manual needle regulator port of export, thermal expansion
Valve outlet port end and the electric expansion valve port of export are connected with the refrigerant inlet end of double-tube heat exchanger；The system of described sleeve pipe heat exchanger
The cryogen port of export is connected with the air entry of compressor；The water side outlet end of described sleeve pipe heat exchanger and electric control valve arrival end
Connection, the electric control valve port of export are connected with five entrance point of electromagnetic valve and six entrance point of electromagnetic valve；The electromagnetic valve five
The port of export is connected with the surface cooler entrance point in combined air conditioning box；The surface cooler port of export and six port of export of electromagnetic valve with
The entrance point of freezing water tank is connected；The port of export of freezing water tank, water pump, double pipe heat exchanger water side-entrance are sequentially connected and connect.
2. the central air-conditioning synthesis experiment platform based on vapour compression refrigeration system according to claim 1, its feature
It is that the blower fan of the compressor, the blower fan of air-cooled condenser, water pump and combined air conditioning box is provided with arrangements for speed regulation.
3. the central air-conditioning synthesis experiment platform based on vapour compression refrigeration system according to claim 1, its feature
Be that pipeline between compressor and condenser arranges temperature sensor one, pressure transducer one, in device for drying and filtering and electricity
Pipeline between magnet valve arranges temperature sensor two, pressure transducer two, measurement compressor suction and discharge temperature, pressure；In throttling
Before and after valve, pipeline arranges temperature sensor three and temperature sensor four, pressure transducer three and pressure transducer four, measurement throttling
Temperature and pressure in front and back；Inlet temperature sensor one and outlet temperature sensing are equipped with double-tube heat exchanger chilled water import and export
Device one, and effusion meter is provided with, measurement chilled water turnover temperature, chilled-water flow；Set in combined air conditioning box chilled water import and export
Inlet temperature sensor two and outlet temperature sensor two is put, measurement surface cooler imports and exports chilled water temperature.
4. the central air-conditioning synthesis experiment platform based on vapour compression refrigeration system according to claim 1, its feature
It is that the experiment porch is equipped with data collecting system and the system operational parameters such as temperature, pressure, flow are acquired and are controlled
System, carries out Ethernet data transmission in data collecting system, realizes that direct teledata shows.
5. the central air-conditioning synthesis experiment platform based on vapour compression refrigeration system according to claim 1, its feature
It is that the experiment porch is equipped with analog acquisition and control device, shows electronic expansion valve opening in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729874.5U CN206040081U (en) | 2016-07-12 | 2016-07-12 | Central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729874.5U CN206040081U (en) | 2016-07-12 | 2016-07-12 | Central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040081U true CN206040081U (en) | 2017-03-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620729874.5U Expired - Fee Related CN206040081U (en) | 2016-07-12 | 2016-07-12 | Central air conditioning comprehensive experimental platform based on vapor compression formula refrigerating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206040081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023773A (en) * | 2016-07-12 | 2016-10-12 | 天津商业大学 | Central air conditioning comprehensive experimental platform based on steam compression refrigeration system |
-
2016
- 2016-07-12 CN CN201620729874.5U patent/CN206040081U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023773A (en) * | 2016-07-12 | 2016-10-12 | 天津商业大学 | Central air conditioning comprehensive experimental platform based on steam compression refrigeration system |
| CN106023773B (en) * | 2016-07-12 | 2018-08-24 | 天津商业大学 | Central air-conditioning synthesis experiment platform based on vapour compression refrigeration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20180712 |