CN106782011A - A kind of refrigeration system for real training - Google Patents
A kind of refrigeration system for real training Download PDFInfo
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- CN106782011A CN106782011A CN201611254207.7A CN201611254207A CN106782011A CN 106782011 A CN106782011 A CN 106782011A CN 201611254207 A CN201611254207 A CN 201611254207A CN 106782011 A CN106782011 A CN 106782011A
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- evaporator
- magnetic valve
- pipeline
- refrigeration system
- capillary
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to a kind of refrigeration system for real training, the refrigeration system includes：Compressor, condenser, refrigerator evaporator, freezer evaporator, high-pressure exhaust pipe and low pressure muffler；Also include：Magnetic valve, two-position three way magnetic valve, the first capillary and the second capillary；2 mouthfuls of two-position three way magnetic valve are connected with the entrance point pipeline of the second capillary；The port of export of the second capillary is connected between the port of export of refrigerator evaporator and the entrance point of freezer evaporator by magnetic valve and pipeline.The flow of the complete realization refrigeration of the present invention, and liquid-sighting glass is set in each equipment port of export, internal cooling cycle system construction is very clear, it is easy to student to get information about, and two position three-way valve is connected in the duct, can according to demand select different refrigeration positions to work, reduce unnecessary consumption.
Description
Technical field
The present invention relates to art of refrigeration units, more particularly to a kind of refrigeration system for real training.
Background technology
Current China's refrigeration Practical training equipment development is relatively slower, and the experimental facilities for innovation occur is less, lags behind hair at a high speed
The middle duty of exhibition and the development of higher education, education sector thirst for having early the experimental facilities of innovation to occur, to improve the dynamic of student
Hand operational capacity, as the usage amount of refrigerator is increasingly increased, the substantial amounts of knowwhy of maintenance needs and practical basis of refrigerator.Will
Refrigeration Technique is grasped, cooling cycle system is not only needed to be grasped, GPRS electric control system is gone back, but cooling cycle system is
The cyclic process that can't see, change procedure indigestion and grasp of the refrigerant in the circulatory system, electric control system is even more
Abstract numerous and diverse, it is difficult to set about, these cannot only be grasped completely from knowwhy.At present in the course teaching that freezes,
Practice especially in refrigeration for refrigerator teaching is less, and practical teaching effect is poor, is primarily due to lack suitable
Teaching aid, this directly results in student and lacks practical experience after graduation, it is impossible to be fully immersed work as soon as possible.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of refrigeration system for practice teaching, help student to understand
The operation principle of refrigeration system, and improve the practical experience of student.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of refrigeration system for real training, including：Compression
Machine, condenser, refrigerator evaporator, freezer evaporator, high-pressure exhaust pipe, magnetic valve and low pressure muffler；The refrigeration system
System also includes：Magnetic valve, two-position three way magnetic valve, the first capillary and the second capillary；The high-pressure exhaust of the compressor
It is connected by the high pressure gas pipeline with the entrance point of the condenser；The port of export of the condenser with described two three
1 mouthful of pipeline connection of three-way electromagnetic valve；3 mouthfuls of the two-position three way magnetic valve connect with the entrance point pipeline of first capillary
Connect, the port of export of first capillary is connected with the entrance point pipeline of the refrigerator evaporator；The refrigerator evaporator
The port of export be connected with the entrance point pipeline of the freezer evaporator；2 mouthfuls of the two-position three way magnetic valve and described second
The entrance point pipeline connection of capillary；The port of export of second capillary is connected to described cold by the magnetic valve and pipeline
Hide between the port of export and the entrance point of the freezer evaporator of room evaporator；The port of export of the freezer evaporator and institute
The low pressure gas returning port for stating compressor is connected by the low pressure return-air duct.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the condensator outlet end also sets successively with 1 mouthful of pipeline being connected of the two-position three way magnetic valve
It is equipped with magnetic valve, liquid-sighting glass and device for drying and filtering；On the pipeline that the refrigerator evaporator is connected with the freezer evaporator,
And it is provided with magnetic valve and liquid-sighting glass on the low pressure muffler and high pressure gas pipeline.
Beneficial effect using above-mentioned further scheme is：Liquid-sighting glass is set on pipeline, the intensity of pipeline is not being influenceed
In the case of allow student by liquid-sighting glass observe pipeline in kind of refrigeration cycle how to realize, condensator outlet set drying
Filter, it is to avoid vapor is impacted in follow-up work to refrigeration.
Further, the compressor includes：Rotor-type compressor or rotary compressor.
Further, the refrigerator evaporator is pipe-coil type evaporator.
Further, the freezer evaporator is Al combined plate type evaporator.
Further, the condenser is wire type condenser.
Beneficial effect using above-mentioned further scheme is：In the case where refrigeration is ensured, choose conveniently indoor
The equipment of viewing, it is ensured that student's close-ups.
Further, the magnetic valve, the two-position three way magnetic valve, the compressor, the condenser, the refrigerating chamber
Evaporator and the freezer evaporator are respectively connected with shift knob.
Beneficial effect using above-mentioned further scheme is：All parts are controlled to run by shift knob, wherein controlling
Each magnetic valve and two-position three way magnetic valve can simulate different malfunctions.
Further, the compressor, condenser, refrigerator evaporator and freezer evaporator surface are provided with temperature biography
Sensor；Pressure vacuum meter is respectively provided with the high-pressure exhaust pipe and the low pressure return-air duct.
Beneficial effect using above-mentioned further scheme is：It is relatively low in the temperature of refrigeration plant region higher and temperature
Region sets temperature sensor, and pressure vacuum is set on the pipeline that compressor high-pressure exhaust and low pressure gas returning port two ends connect
Table, facilitates the temperature or pressure at each position of observation of students.
Further, the temperature sensor and pressure vacuum meter are respectively connected with warning device；The warning device bag
Include buzzer and alarm lamp.
Beneficial effect using above-mentioned further scheme is：Because teaching is close-ups, in temperature sensor and
A warning device is connected on pressure vacuum meter, when there is too high temperature or hypertonia situation, alarm is sent, student is reminded
Principle the system, it is to avoid injured situation occur.
The beneficial effects of the invention are as follows：The present invention realizes the flow of refrigeration, and sets liquid-sighting glass in each equipment port of export,
Internal cooling cycle system construction is very clear, is easy to student to get information about, and connects two position three-way valve in the duct, can
To select different refrigeration positions to work according to demand, unnecessary consumption is reduced.
Brief description of the drawings
Fig. 1 is a kind of refrigerant system configurations schematic diagram for real training of the invention；
Fig. 2 is the connection diagram of shift knob of the present invention, data processor, temperature sensor and pressure vacuum meter；
Fig. 3 is temperature sensor of the present invention and warning device connection diagram；
Fig. 4 is pressure vacuum meter of the present invention and warning device connection diagram；
Fig. 5 is two-position three way magnetic valve mplifying structure schematic diagram in inventive refrigeration system.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, compressor, 2, condenser, 3, liquid-sighting glass, 4, drier, 5, two-position three way magnetic valve, the 6, first capillary, 7,
Second capillary, 8, magnetic valve, 9, refrigerator evaporator, 10, freezer evaporator, 11, technique filling opening, 12, pressure vacuum
Table, 13, high-pressure exhaust pipe, 14, low pressure muffler.
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
As shown in figure 1, a kind of refrigeration system for real training, including：Compressor 1, condenser 2, refrigerator evaporator 9,
Freezer evaporator 10, high-pressure exhaust pipe 13, magnetic valve 8 and low pressure muffler 14；Refrigeration system also includes：Magnetic valve 8, two
Three-way magnetic valve 5, the first capillary 6 and the second capillary 7；The high-pressure exhaust of compressor 1 passes through with the entrance point of condenser 2
The pipeline of high-pressure exhaust pipe 13 is connected；The port of export of condenser 2 is connected with 1 mouthful of pipeline of two-position three way magnetic valve 5；Two-position three way electricity
3 mouthfuls of magnet valve 5 are connected with the entrance point pipeline of the first capillary 6, the port of export and the refrigerator evaporator 9 of the first capillary 6
Entrance point pipeline is connected；The port of export of refrigerator evaporator 9 is connected with the entrance point pipeline of freezer evaporator 10；Two-position three way
2 mouthfuls of magnetic valve 5 are connected with the entrance point pipeline of the second capillary 7；The port of export of the second capillary 7 passes through the magnetic valve 8
And pipeline is connected between the entrance point of the port of export of refrigerator evaporator 9 and freezer evaporator 10；Freezer evaporator 10
The port of export be connected by the pipeline of low pressure muffler 14 with the low pressure gas returning port of compressor 1.
In said system, by the conducting direction of the control pipeline of two-position three way magnetic valve 5, two kinds of different work shapes are obtained
State, when 5 dead electricity of two-position three way magnetic valve, freezer evaporator 9 and refrigerator evaporator 10 are opened simultaneously, realize refrigerating chamber and
The refrigeration of refrigerating chamber, when two-position three way magnetic valve 5 must be electric, only opens freezer evaporator 10, closes refrigerator evaporator 9,
Realize the refrigeration of refrigerating chamber.
Preferably, the port of export of condenser 2 is also disposed with electricity with 1 mouthful of pipeline being connected of two-position three way magnetic valve 5
Magnet valve 8, liquid-sighting glass 3 and device for drying and filtering 4；On the pipeline that refrigerator evaporator 9 is connected with freezer evaporator 10, and low pressure
Magnetic valve 8 and liquid-sighting glass 3 are provided with muffler 14 and the pipeline of high-pressure exhaust pipe 13.
Preferably, compressor 1 includes：Rotor-type compressor or rotary compressor；Refrigerator evaporator 9 steams for coiled
Hair device；Freezer evaporator 10 is Al combined plate type evaporator.
Preferably, condenser is wire type condenser, and wire type condenser includes steel steel wire and condenser pipe, adjacent two
Steel wire is parallel and spaced set, and condenser pipe is along steel wire serpentine arrangement.
As shown in Figure 2, it is preferred that magnetic valve 8, two-position three way magnetic valve 5, compressor 1, condenser 2, refrigerator evaporator
9 and freezer evaporator 10 be respectively connected with shift knob；The work of all devices is controlled by shift knob, wherein passing through
The work of magnetic valve 8 and two-position three way magnetic valve 5 is controlled to simulate different breakdown of refrigeration system situations.
Preferably, compressor 1, condenser 2, refrigerator evaporator 9 and the surface of freezer evaporator 10 are provided with temperature
Sensor；Pressure vacuum meter 12 is respectively provided with high-pressure exhaust pipe 13 and the pipeline of low pressure muffler 14.
Preferably, shift knob is all connected to a data processor, and temperature sensor and pressure vacuum meter 12 are and data
Processor is connected respectively, when the temperature that temperature sensor is detected exceedes the pressure value that preset value or pressure vacuum meter 12 are detected
When too high, alarm command is sent to data processor, all of shift knob of data processor controlled is closed, make to be run in system
The wholly off work of part, it is ensured that the security of system.
As shown in Figure 3 and Figure 4, it is preferred that temperature sensor and pressure vacuum meter 12 are respectively connected with warning device；Report
Alarm device includes buzzer and alarm lamp, when the temperature that temperature sensor is detected is detected more than preset value or pressure vacuum meter 12
When the pressure value for arriving is too high, buzzer and alarm lamp send alarm and light prompt, remind user away from the part for going wrong.
As shown in figure 5, be two-position three way magnetic valve mplifying structure schematic diagram, when two-position three way magnetic valve dead electricity, two
1 mouthful of three-way magnetic valve and 3 mouthfuls conducting, when two-position three way magnetic valve is obtained it is electric when, 1 mouthful of two-position three way magnetic valve and 2 mouthfuls turn on.
Embodiment 1：The refrigerant used in the present invention is R600a, and gaseous R600a becomes high by the compression of compressor 1
Warm gases at high pressure enter in condenser through high-pressure exhaust pipe 13, and in the case of natural cooling, the gaseous state R600a of HTHP becomes
Liquid into normal pressure and temperature high flows through liquid-sighting glass 3 and device for drying and filtering 4 through pipeline, in two-position three way magnetic valve, works as two-position three way
During magnetic valve dead electricity, liquid flows to 3 mouthfuls through 1 mouthful of two-position three way magnetic valve, and now closed electromagnetic valve, drops to the first capillary 6
Pressure throttling, becomes the liquid of the middle temperature of low pressure, then arrives first refrigerator evaporator 9 and is entering freezer evaporator 10, R600a liquid
Heat absorption expansion, by the heat suction of refrigerating chamber and freezing indoor article, then the gas R600a of low-temp low-pressure is through low pressure muffler
14, by the suction chamber of compressor 1, complete to move in circles.
Embodiment 2：The refrigerant used in the present invention is R600a, and gaseous R600a becomes high by the compression of compressor 1
Warm gases at high pressure enter in condenser through high-pressure exhaust pipe 13, and in the case of natural cooling, the gaseous state R600a of HTHP becomes
Liquid into normal pressure and temperature high flows through liquid-sighting glass 3 and device for drying and filtering 4 through pipeline, in two-position three way magnetic valve, works as two-position three way
When magnetic valve obtains electric, liquid flows to 2 mouthfuls through 1 mouthful of two position three-way valve, and now magnetic valve is opened, and is depressured to the second capillary 7 and saved
Stream, through magnetic valve to freezer evaporator 10, the heat absorption expansion of R600a liquid will freeze the heat suction of indoor article, then low
The gas R600a of warm low pressure, by the suction chamber of compressor 1, completes to move in circles through low pressure muffler 14.
Embodiment 3：The present invention is hunted leak, to being filled with the nitrogen or dry air of certain pressure in system, and is closed
All outlet ports, being typically filled with the nitrogen of 1.25Mpa pressure carries out pressure testing, and the pressure testing time is 24 hours, sees pressure whether there is decline, if
It is accomplished by being hunted leak, leak detection is using conventional suds leak detecting.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of refrigeration system for real training, including：Compressor (1), condenser (2), refrigerator evaporator (9), refrigerating chamber
Evaporator (10), high-pressure exhaust pipe (13) and low pressure muffler (14)；Characterized in that, the refrigeration system also includes：Electromagnetism
Valve (8), two-position three way magnetic valve (5), the first capillary (6) and the second capillary (7)；The high pressure gas of the compressor (1)
Mouth is connected with the entrance point of the condenser (2) by the high-pressure exhaust pipe (13) pipeline；The port of export of the condenser (2)
It is connected with 1 mouthful of pipeline of the two-position three way magnetic valve (5)；3 mouthfuls of the two-position three way magnetic valve (5) and first capillary
Manage the entrance point pipeline connection of (6), the port of export of first capillary (6) and the entrance point of the refrigerator evaporator (9)
Pipeline is connected；The port of export of the refrigerator evaporator (9) is connected with the entrance point pipeline of the freezer evaporator (10)；Institute
State two-position three way magnetic valve (5) 2 mouthfuls are connected with the entrance point pipeline of second capillary (7)；Second capillary (7)
The port of export port of export and the refrigerating chamber of the refrigerator evaporator (9) are connected to by the magnetic valve (8) and pipeline
Between the entrance point of evaporator (10)；The port of export of the freezer evaporator (10) and the low pressure return-air of the compressor (1)
Mouth is connected by low pressure muffler (14) pipeline.
2. a kind of refrigeration system for real training according to claim 1, it is characterised in that condenser (2) outlet
Hold and magnetic valve (8), liquid-sighting glass (3) are also disposed with 1 mouthful of pipeline being connected of the two-position three way magnetic valve (5) and are done
Dry filter (4)；It is on the pipeline that the refrigerator evaporator (9) is connected with the freezer evaporator (10) and described low
Push back and be provided with magnetic valve (8) and liquid-sighting glass (3) on tracheae (14) and high-pressure exhaust pipe (13) pipeline.
3. a kind of refrigeration system for real training according to claim 1, it is characterised in that the compressor (1) includes：
Rotor-type compressor or rotary compressor.
4. a kind of refrigeration system for real training according to claim 1, it is characterised in that the refrigerator evaporator
(9) it is pipe-coil type evaporator.
5. a kind of refrigeration system for real training according to claim 1, it is characterised in that the freezer evaporator
(10) it is Al combined plate type evaporator.
6. a kind of refrigeration system for real training according to claim 1, it is characterised in that the condenser (2) is steel
Wire form condenser.
7. a kind of refrigeration system for real training according to claim 2, it is characterised in that the magnetic valve (8), described
Two-position three way magnetic valve (5), the compressor (1), the condenser (2), the refrigerator evaporator (9) and the refrigerating chamber
Evaporator (10) is respectively connected with shift knob.
8. a kind of refrigeration system for real training according to any one of claim 1-7, it is characterised in that the compression
Machine (1), condenser (2), refrigerator evaporator (9) and freezer evaporator (10) surface are provided with temperature sensor；It is described
Pressure vacuum meter (12) is respectively provided with high-pressure exhaust pipe (13) and the low pressure muffler (14) pipeline.
9. a kind of refrigeration system for real training according to claim 8, it is characterised in that the temperature sensor and pressure
Power vacuum meter (12) is respectively connected with warning device；The warning device includes buzzer and alarm lamp.
10. a kind of refrigeration system for real training according to claim 8, it is characterised in that the shift knob connects
A data processor is connected to, the temperature sensor and the pressure vacuum meter (12) connect respectively with the data processor
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254207.7A CN106782011A (en) | 2016-12-30 | 2016-12-30 | A kind of refrigeration system for real training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254207.7A CN106782011A (en) | 2016-12-30 | 2016-12-30 | A kind of refrigeration system for real training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106782011A true CN106782011A (en) | 2017-05-31 |
Family
ID=58954286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254207.7A Pending CN106782011A (en) | 2016-12-30 | 2016-12-30 | A kind of refrigeration system for real training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106782011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448496A (en) * | 2018-12-29 | 2019-03-08 | 武汉思源久行科技有限公司 | A kind of training examination system |
| WO2023061120A1 (en) * | 2021-10-12 | 2023-04-20 | 北京博医时代医疗科技有限公司 | Perfusion platform for training |
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| CN2720545Y (en) * | 2004-07-05 | 2005-08-24 | 青岛职业技术学院 | Refrigerator fault setting and principle demonstration experiment table |
| CN201225805Y (en) * | 2008-05-30 | 2009-04-22 | 河南新飞电器有限公司 | Mechanical refrigerator refrigerated by single refrigerating room |
| CN202119002U (en) * | 2011-03-08 | 2012-01-18 | 佛山市确正冷热设备有限公司 | Water source heat pump heater capable of absorbing waste heat of shower waste water |
| CN202869113U (en) * | 2012-10-16 | 2013-04-10 | 银都餐饮设备股份有限公司 | Energy-saving commercial refrigerator |
| CN203011041U (en) * | 2012-12-12 | 2013-06-19 | 合肥美菱股份有限公司 | Refrigerator with aluminum sheet and wired pipe evaporator combined |
| CN103761920A (en) * | 2014-02-18 | 2014-04-30 | 郑州牧业工程高等专科学校 | Refrigerating system fault simulation experiment set |
| CN104077953A (en) * | 2014-06-27 | 2014-10-01 | 顺德职业技术学院 | Separating multi-cycle refrigerator control technology comprehensive training equipment |
| CN206480307U (en) * | 2016-12-30 | 2017-09-08 | 武汉华育诺为信息技术有限公司 | A kind of refrigeration system for real training |
-
2016
- 2016-12-30 CN CN201611254207.7A patent/CN106782011A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720545Y (en) * | 2004-07-05 | 2005-08-24 | 青岛职业技术学院 | Refrigerator fault setting and principle demonstration experiment table |
| CN201225805Y (en) * | 2008-05-30 | 2009-04-22 | 河南新飞电器有限公司 | Mechanical refrigerator refrigerated by single refrigerating room |
| CN202119002U (en) * | 2011-03-08 | 2012-01-18 | 佛山市确正冷热设备有限公司 | Water source heat pump heater capable of absorbing waste heat of shower waste water |
| CN202869113U (en) * | 2012-10-16 | 2013-04-10 | 银都餐饮设备股份有限公司 | Energy-saving commercial refrigerator |
| CN203011041U (en) * | 2012-12-12 | 2013-06-19 | 合肥美菱股份有限公司 | Refrigerator with aluminum sheet and wired pipe evaporator combined |
| CN103761920A (en) * | 2014-02-18 | 2014-04-30 | 郑州牧业工程高等专科学校 | Refrigerating system fault simulation experiment set |
| CN104077953A (en) * | 2014-06-27 | 2014-10-01 | 顺德职业技术学院 | Separating multi-cycle refrigerator control technology comprehensive training equipment |
| CN206480307U (en) * | 2016-12-30 | 2017-09-08 | 武汉华育诺为信息技术有限公司 | A kind of refrigeration system for real training |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448496A (en) * | 2018-12-29 | 2019-03-08 | 武汉思源久行科技有限公司 | A kind of training examination system |
| WO2023061120A1 (en) * | 2021-10-12 | 2023-04-20 | 北京博医时代医疗科技有限公司 | Perfusion platform for training |
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Application publication date: 20170531 |