CN212966614U - Practical training device for refrigerator refrigerating system - Google Patents
Practical training device for refrigerator refrigerating system Download PDFInfo
- Publication number
- CN212966614U CN212966614U CN202021585575.1U CN202021585575U CN212966614U CN 212966614 U CN212966614 U CN 212966614U CN 202021585575 U CN202021585575 U CN 202021585575U CN 212966614 U CN212966614 U CN 212966614U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- refrigerator
- solenoid valve
- refrigerating system
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a real device of instructing of refrigerator refrigerating system, there is real standard frame, refrigerator and control system, establish the compressor in the refrigerator, the condenser, capillary and evaporimeter, control system has the liquid storage pot, pipeline A, pipeline B, pipeline C, solenoid valve A, solenoid valve B, solenoid valve C and solenoid valve D, solenoid valve A establishes ties on the pipeline between condenser and capillary, pipeline between condenser and the solenoid valve A is connected to pipeline A one end, the pipeline A other end is connected with the liquid storage pot, solenoid valve B establishes ties on pipeline A, pipeline B one end is connected with the liquid storage pot, pipeline between evaporimeter and the compressor is connected to the pipeline B other end, solenoid valve C establishes ties on pipeline B, pipeline between compressor and the condenser is connected to pipeline C one end, the pipeline C other end is connected with pipeline B, solenoid valve D establishes ties on pipeline C. The utility model discloses a real device of instructing, through the solenoid valve switching, simulate refrigerator refrigerating system trouble, the student analysis operating mode of being convenient for masters the maintenance technique.
Description
Technical Field
The utility model relates to a teaching equipment technical field, more specifically relates to a real device of instructing of refrigerator refrigerating system.
Background
The refrigerator is a refrigerating device which keeps constant low temperature, and is also a civil product which keeps food or other articles in a constant low temperature cold state. The mastering of the refrigeration principle and the maintenance skill of the refrigerator is important for maintenance and refrigeration workers, but no practical training device which can simulate the fault state of the refrigerator for students to analyze the refrigeration working condition and easily master the maintenance technology of the refrigeration system of the refrigerator is available in the market at present.
Disclosure of Invention
The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a practical training device for a refrigeration system of a refrigerator, which is convenient for students to know the working principle of the refrigerator and master the maintenance technology of the refrigeration system of the refrigerator.
The technical scheme of the utility model: a practical training device for a refrigeration system of a refrigerator comprises a practical training frame, the refrigerator and a control system which are arranged on the practical training frame, wherein the refrigerator is internally provided with the refrigeration system, the refrigeration system comprises a compressor, a condenser, a capillary tube and an evaporator which are connected through a pipeline and form a closed loop, the control system comprises a liquid storage tank, a pipeline A, a pipeline B, a pipeline C, an electromagnetic valve A, an electromagnetic valve B, an electromagnetic valve C and an electromagnetic valve D, the electromagnetic valve A is connected in series on the pipeline between the condenser and the capillary tube, one end of the pipeline A is connected on the pipeline between the condenser and the electromagnetic valve A, the other end of the pipeline A is connected with the inlet end of the liquid storage tank, the electromagnetic valve B is connected in series on the pipeline A, one end of the pipeline B is connected with the outlet end of the liquid storage tank, the other end of the pipeline B is connected, one end of the pipeline C is connected to the pipeline between the compressor and the condenser, the other end of the pipeline C is connected with the pipeline B, and the electromagnetic valve D is connected to the pipeline C in series.
By adopting the technical scheme, under the normal running state of the refrigerator, the electromagnetic valve B, the electromagnetic valve C and the electromagnetic valve D are closed, the electromagnetic valve A is opened, and the compressor, the condenser, the capillary tube and the evaporator are conducted; the electromagnetic valve A is closed, so that the condenser and the capillary tube are disconnected, and the dirty and blocked faults of the capillary tube can be simulated; the electromagnetic valve A is opened and closed circularly, so that the condenser and the capillary tube are connected and disconnected circularly, and the ice blockage fault of the capillary tube can be simulated; the electromagnetic valve B is opened, so that the liquid storage tank is communicated with the condenser, and the fault of insufficient refrigerant can be simulated; the electromagnetic valve C is opened, so that the liquid storage tank is communicated with the compressor, and the fault of excessive refrigerant can be simulated; and the electromagnetic valve D is opened, so that the inlet and outlet pipelines of the compressor are connected, and the damage fault of the valve plate of the compressor can be simulated. The computer controls the electromagnetic valve to simulate the failure of the refrigerating system of the refrigerator, so that the failure state of the refrigerator is presented truly and visually, and students can more easily master the maintenance technology of the refrigerating system of the refrigerator by analyzing the refrigerating condition.
The utility model discloses a further setting again: the control system also comprises a relay for controlling the opening and closing of the electromagnetic valve A.
By adopting the above further arrangement, the electromagnetic valve A can be conveniently controlled to be opened and closed circularly through the relay, and the operation is convenient.
The utility model discloses a further setting again: the practical training frame is provided with a panel, the panel is provided with a work flow chart of a refrigerator refrigerating system, and the practical training frame is provided with a pressure gauge, a thermometer, a voltmeter and an ammeter.
By adopting the above further arrangement, the flow chart can enable students to know the refrigerating system in the refrigerator more visually, and the pressure, the temperature, the voltage, the current and other numerical values of the refrigerating system of the refrigerator are displayed through the pressure gauge, the thermometer, the voltmeter and the ammeter, so that the students can observe the working condition of the refrigerating system in real time, and can know and master the structure, the working principle and the maintenance skill of the actual refrigerating system of the refrigerator more easily.
The utility model discloses a still further set up: the panel install in real standard frame left side, control system set up at the panel back, real standard frame right side is equipped with the holding chamber that the power supply refrigerator was installed.
By adopting the above further arrangement, the panel and the refrigerator are arranged on the training frame on the left and right, and the control system is arranged on the back of the panel, so that the structure is simple, the spatial layout is reasonable, and the storage is convenient.
The utility model discloses a still further set up: and a drying filter is also connected in series on the pipeline between the electromagnetic valve A and the capillary tube.
With the still further arrangement described above, the desiccant filter is used to protect the refrigeration system from contamination by liquid and solid contaminants.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the operation of the control system acting on the refrigeration system of the refrigerator in the embodiment of the present invention.
The practical training frame 100, the refrigerator 200, the compressor 210, the condenser 220, the capillary tube 230, the evaporator 240, the liquid storage tank 310, the pipeline A320, the pipeline B330, the pipeline C340, the electromagnetic valve A350, the electromagnetic valve B360, the electromagnetic valve C370, the electromagnetic valve D380, the panel 400, the work flow chart 410, the pressure gauge 420, the thermometer 430, the voltmeter 440, the ammeter 450, the accommodating chamber 110 and the drying filter 250.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indications (such as front, back, left and right … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to "a", "B", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in fig. 1 and fig. 2, the utility model discloses a practical training device for refrigerator refrigerating system, which comprises a practical training frame 100, a refrigerator 200 and a control system, wherein the refrigerator 200 is internally provided with a refrigerating system, the refrigerating system comprises a compressor 210, a condenser 220, a capillary 230 and an evaporator 240 which are connected through a pipeline and form a closed loop, the control system comprises a liquid storage tank 310, a pipeline a 320, a pipeline B330, a pipeline C340, an electromagnetic valve a 350, an electromagnetic valve B360, an electromagnetic valve C370 and an electromagnetic valve D380, the electromagnetic valve a 350 is connected in series on the pipeline between the condenser 220 and the capillary 230, one end of the pipeline a 320 is connected on the pipeline between the condenser 220 and the electromagnetic valve a 350, the other end of the pipeline a 320 is connected with the inlet end of the liquid storage tank 310, the electromagnetic valve B360 is connected in series on the pipeline a 320, one end of the pipeline B330 is connected with the outlet end of the liquid storage tank 310, the other end of the pipeline B330 is connected with the pipeline between the evaporator 240 and the compressor 210, the electromagnetic valve C370 is connected with the pipeline B330 in series, one end of the pipeline C340 is connected with the pipeline between the compressor 210 and the condenser 220, the other end of the pipeline C340 is connected with the pipeline B330, and the electromagnetic valve D380 is connected with the pipeline C340 in series; the control system also comprises a relay for controlling the opening and closing of the electromagnetic valve A350; the training frame 100 is provided with a panel 400, the panel 400 is provided with a work flow chart 410 of a refrigerator refrigerating system, and is provided with a pressure gauge 420, a thermometer 430, a voltmeter 440 and an ammeter 450; the panel 400 is arranged on the left side of the practical training frame 100, the control system is arranged on the back of the panel 400, and the right side of the practical training frame 100 is provided with the accommodating cavity 110 for the refrigerator 200 to be arranged.
In the normal operation state of the refrigerator 200, the solenoid valve B360, the solenoid valve C370 and the solenoid valve D380 are closed, the solenoid valve a 350 is opened, and the compressor 210, the condenser 220, the capillary tube 230 and the evaporator 240 are turned on. Closing the solenoid valve A350 to disconnect the condenser 220 and the capillary tube 230 can simulate the dirty and blocked fault of the capillary tube 230; the electromagnetic valve A350 is controlled by a relay to be opened and closed circularly, so that the condenser 220 and the capillary tube 230 are connected and disconnected circularly, and the ice blockage fault of the capillary tube 230 can be simulated; the solenoid valve B360 is opened, so that the liquid storage tank 310 is communicated with the condenser 220, and the failure of insufficient refrigerant can be simulated; the electromagnetic valve C370 is opened, so that the liquid storage tank 310 is communicated with the compressor 210, and the fault of excessive refrigerant can be simulated; the electromagnetic valve D380 is opened, so that the inlet and outlet pipelines of the compressor 210 are communicated, and the damage fault of the valve plate of the compressor 210 can be simulated. The computer controls the electromagnetic valve to simulate the failure of the refrigeration system of the refrigerator 200, and the pressure gauge 420, the thermometer 430, the voltmeter 440 and the ammeter 450 are used for displaying the pressure, the temperature, the voltage, the current and other numerical values of the refrigeration system of the refrigerator 200, so that students can observe the working condition of the refrigeration system in real time and can more easily understand and master the structure, the working principle and the maintenance skill of the actual refrigeration system of the refrigerator 200.
Of course, the voltage and current values of the refrigeration system of the refrigerator 200 can be directly displayed on a computer; the student can also automatically detect the voltage and the current of the refrigerator refrigerating system through the electroprobe.
In the embodiment of the present invention, a dry filter 250 is further connected in series to the pipeline between the solenoid valve a 350 and the capillary 230. The desiccant filter 250 serves to protect the refrigeration system from contamination by liquid and solid contaminants.
Claims (5)
1. A practical training device for a refrigerating system of a refrigerator is characterized in that: including real standard frame, setting refrigerator and the control system on real standard frame, the refrigerator in establish refrigerating system, refrigerating system including through pipe connection and constitute closed-loop compressor, condenser, capillary and evaporimeter, control system including liquid storage pot, pipeline A, pipeline B, pipeline C, solenoid valve A, solenoid valve B, solenoid valve C and solenoid valve D, solenoid valve A establishes ties on the pipeline between condenser and capillary, the one end of pipeline A is connected on the pipeline between condenser and solenoid valve A, the other end of pipeline A and the entrance point of liquid storage pot are connected, solenoid valve B establishes ties on pipeline A, the one end of pipeline B is connected with the exit end of liquid storage pot, the other end of pipeline B is connected on the pipeline between evaporimeter and compressor, solenoid valve C establishes ties on pipeline B, the one end of pipeline C is connected on the pipeline between compressor and condenser, the other end of the pipeline C is connected with the pipeline B, and the electromagnetic valve D is connected on the pipeline C in series.
2. The practical training device for the refrigerating system of the refrigerator as claimed in claim 1, wherein: the control system also comprises a relay for controlling the opening and closing of the electromagnetic valve A.
3. The practical training device for the refrigerating system of the refrigerator as claimed in claim 1 or 2, wherein: the practical training frame is provided with a panel, the panel is provided with a work flow chart of a refrigerator refrigerating system, and the practical training frame is provided with a pressure gauge, a thermometer, a voltmeter and an ammeter.
4. The practical training device for the refrigerating system of the refrigerator as claimed in claim 3, wherein: the panel install in real standard frame left side, control system set up at the panel back, real standard frame right side is equipped with the holding chamber that the power supply refrigerator was installed.
5. The practical training device for the refrigerating system of the refrigerator as claimed in claim 1 or 2, wherein: and a drying filter is also connected in series on the pipeline between the electromagnetic valve A and the capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585575.1U CN212966614U (en) | 2020-08-03 | 2020-08-03 | Practical training device for refrigerator refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585575.1U CN212966614U (en) | 2020-08-03 | 2020-08-03 | Practical training device for refrigerator refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212966614U true CN212966614U (en) | 2021-04-13 |
Family
ID=75347257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021585575.1U Active CN212966614U (en) | 2020-08-03 | 2020-08-03 | Practical training device for refrigerator refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212966614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-08-03 CN CN202021585575.1U patent/CN212966614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7866172B2 (en) | System and method for controlling working fluid charge in a vapor compression air conditioning system | |
| DE102004044990A1 (en) | System and method for detecting coolant leaks | |
| CN212966614U (en) | Practical training device for refrigerator refrigerating system | |
| US11309703B2 (en) | Transformer simulation system, and simulation and measurement method for setting value | |
| US10458879B2 (en) | Leak testing method and apparatus for use with heat exchangers | |
| CN201215699Y (en) | Analogue multifunctional central air-conditioner experiment device for teaching | |
| CN102194364B (en) | Teaching training table for alternating-current variable-frequency multi-unit air conditioning unit | |
| CN206804293U (en) | Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator | |
| CN101350150A (en) | Experimental real-training apparatus for central air-conditioning system | |
| CN102184672A (en) | Digital vortex multi-connected air conditioner refrigerating system teaching training station | |
| CN111550679A (en) | Water supply pipe network leakage experiment detection experiment system and platform | |
| CN207180949U (en) | Leakage analogue experiment installation in Liquid valve | |
| CN211294463U (en) | Air conditioner refrigerating system experiment operation platform for teaching | |
| CN202075911U (en) | Alternating-current variable-frequency multi-connected air conditioning unit teaching training platform | |
| CN204678752U (en) | A kind of volume control device for water chilling unit system | |
| CN111307478B (en) | Online simulation detection platform of water ground source heat pump unit | |
| CN202306943U (en) | Teaching and practical training table for automatic air conditioning electronic network intelligent control system of automobile | |
| CN110411680A (en) | A kind of liquid injection and pressure-detecting device for closed liquid cooling system | |
| CN208476556U (en) | A kind of portable air source heat pump test device | |
| CN110610635A (en) | Comprehensive intelligent training platform for small refrigeration system | |
| CN217847300U (en) | Automatic real device of operating of online gas pressure of simulation/negative pressure regulating instrument | |
| CN115628925A (en) | Enthalpy difference laboratory for double-loop industrial cooler | |
| CN104655437A (en) | Air conditioner simulation device | |
| CN220041275U (en) | Demonstration teaching aid for heat pump air conditioner refrigeration principle and common faults | |
| CN215414263U (en) | Simple valve pressure testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |