CN201207246Y - Air-conditioner training device - Google Patents
Air-conditioner training device Download PDFInfo
- Publication number
- CN201207246Y CN201207246Y CNU200820115130XU CN200820115130U CN201207246Y CN 201207246 Y CN201207246 Y CN 201207246Y CN U200820115130X U CNU200820115130X U CN U200820115130XU CN 200820115130 U CN200820115130 U CN 200820115130U CN 201207246 Y CN201207246 Y CN 201207246Y
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- Prior art keywords
- circuit
- control circuit
- air
- training device
- air conditioner
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- Expired - Fee Related
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- 238000012549 training Methods 0.000 title claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 25
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001755 vocal effect Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air-conditioner training device in order to solve the problem that in the teaching of the current vocational school the theoretical study of the maintenance and design of air conditioner can not be incorporated with the actual operation and application. The utility model provides an air-conditioner training device which comprises a refrigeration system; a control circuit and a simulation demonstration board that are used to perform the control and simulation demonstration of the refrigeration system; a meter panel used to display the parameters of the operation state of the refrigeration system. The utility model can be used for teaching equipments and teaching means in various vocational training school and institution.
Description
Technical Field
The utility model relates to a real device of instructing of air conditioner.
Background
The 21 st century further raises the requirement of vocational education, which must be based on comprehensive quality education and on competence, and talents trained by the vocational education must have skilled vocational skills and ability to adapt to vocational changes. Therefore, the professional schools must implement various skill training based on advanced training equipment.
At present, most practical training of vocational schools on students is established on the aspects of disassembly, assembly and demonstration of machinery, electric appliances and the like, which is inconsistent with the requirements of modern social education development. In particular to air-conditioning practical training learning, most vocational schools adopt classroom explanation, multimedia demonstration and air-conditioning object disassembly as teaching means to train the skills of students.
In the process of implementing the air conditioner practical training learning, the inventor finds that at least the following problems exist in the prior art: teaching explanation and multimedia demonstration are abstract, and visual impression cannot be brought to students; simple physical disassembly cannot enable students to more clearly recognize the principle of the air conditioner so as to establish a theoretical basis for actual operation and maintenance; therefore, the existing teaching means can not well combine the theoretical learning and the actual operation and application of the maintenance and the design of the air conditioner.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a real device of instructing of air conditioner will combine together to the theoretical study of air conditioner maintenance, design and the application of actual operation.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
the utility model provides a real device of instructing of air conditioner which characterized in that includes: a refrigeration system of an air conditioner; the control circuit and the simulation demonstration board are used for controlling and simulating the refrigeration system; and the instrument panel is used for displaying the running state parameters of the refrigeration system.
The embodiment of the utility model provides a real device of instructing of air conditioner cuts apart the setting independently through the refrigerating system with the air conditioner and control system, independently sets up circuit part and simulation demonstration system on a flat board for the operation of air conditioner becomes directly perceived, and simulation demonstration system simulates the demonstration with refrigerating system's function and makes theory and actual conditions combine together to become feasible, has solved present professional school teaching means and can not combine together the problem that theoretical study and the actual operation application of air conditioner maintenance, design well.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention;
figure 2 is a schematic diagram of one embodiment of the refrigeration system of the present invention;
fig. 3 is a schematic diagram of one embodiment of a circuit portion of the present invention.
Detailed Description
The embodiment of the utility model provides a real device of instructing of air conditioner will combine together with the actual operation application to the theoretical study of air conditioner maintenance, design.
The following describes the air conditioner training device according to the embodiment of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses real device of instructing of air conditioner includes: a refrigeration system 100 of an air conditioner; the control circuit and simulation demonstration board 200 is used for controlling and simulating the refrigeration system; and an instrument panel 300 for displaying the operation state parameters of the refrigeration system.
The refrigeration system is installed in an operating desk. As shown in fig. 2, the refrigeration system includes two parts, an indoor unit and an outdoor unit. The indoor unit section includes an evaporator (indoor heat exchanger) 102, a filter drier 107, a capillary tube 108, and a check valve 109, and the outdoor unit section includes a condenser (outdoor heat exchanger) 101, a capillary tube 108, a compressor 103, a filter drier 107, a muffler 104, a four-way selector valve 106, a buffer 105, and a check valve 109.
The installation mode of each part of the refrigerating system is as follows:
the condenser is installed between the compressor discharge port and the capillary tube;
the evaporator is arranged between the capillary tube and the air suction port of the compressor;
the capillary tube and the dry filter are arranged between the condenser and the evaporator;
the muffler is arranged between the four-way valve and the outlet of the compressor;
the buffer is arranged between the four-way reversing valve and the evaporator;
the check valve is arranged between the condenser and the evaporator and is parallel to the capillary tube and the drying filter;
four ports of the four-way valve are respectively connected with the evaporator, the condenser, the compressor and the silencer;
and all parts of the refrigerating system form a closed system through connecting pipelines.
The evaporator and the condenser are used as heat exchangers of an internal machine and an external machine, are packaged in the shell to form a ventilation system, and a compressor, a capillary tube, a filter, a silencer, a buffer, a check valve, a four-way valve and a connecting pipeline in the refrigeration system are installed in a naked mode.
The control circuit and the simulation demonstration board comprise a circuit part and a simulation demonstration part which are respectively arranged on two surfaces of the board. And the control circuit and the back of the analog demonstration board are provided with a circuit part of the air conditioner. As shown in fig. 3, the circuit part includes an indoor unit control circuit, an outdoor unit control circuit and a central processing unit CPU220, and the indoor unit control circuit and the outdoor unit control circuit are controlled by the CPU. The circuit portion comprises a total of 19 discrete circuits.
Wherein the indoor unit circuit part specifically includes:
the power supply circuit 201 is used for providing working power supply required by an electric control system of an indoor unit of an air conditioner;
the power-on reset circuit 202 is used for outputting a reset signal to the chip when the power supply is powered on and the voltage is abnormal or interfered during working;
a crystal oscillator circuit 203 for providing a reference clock sequence for the system;
a zero-cross detection circuit 204 for controlling the wind screen of the indoor fan and detecting the abnormality of the power supply voltage;
an indoor fan control circuit 205 for controlling the wind speed of the indoor fan;
a stepping motor control circuit 206 for changing the direction of the air outlet of the indoor unit;
a ventilation circuit 207 for controlling the operation of the ventilation motor;
a temperature sensor control circuit 208 for detecting the indoor temperature and the coil temperature and providing a temperature signal to the central processor to enable the central processor to adjust the temperature according to the temperature signal;
an EEPROM circuit 209 for transmitting the operating state parameters of the air conditioner to the display screen circuit;
the display screen brightness detection circuit 210 is configured to control brightness of the display screen to change with intensity of ambient light; and
and a display screen circuit 211 for displaying an operation state of the air conditioner. (ii) a
The outdoor unit circuit part specifically includes:
a switching power supply circuit 212 for converting the dc power into ac power and supplying a stable power to the outdoor unit;
a voltage detection circuit 213 for detecting whether the power supply voltage is abnormal;
a current detection circuit 214 for detecting a supply current of the compressor;
an outdoor fan four-way valve control circuit 215 for controlling the fan and the four-way valve to adjust the outdoor wind speed,
and switching the refrigeration and heating;
a temperature sensor control circuit 216 for detecting outdoor ambient temperature, system coil temperature, exhaust temperature and overload protection circuit;
an EEPROM and operation state indicating circuit 217 for recording and displaying the operation parameters and operation state of the air conditioner;
a power module driver circuit 218 for converting the filtered dc power to a variable frequency three-phase ac power; and
and a communication circuit 219 for communication between the indoor unit and the outdoor unit.
The central processing unit CPU located in the center of the control circuit board detects the signals in the 19 discrete circuits and controls the operation of the air conditioner.
The front surfaces of the control circuit and the simulation demonstration board are provided with simulation demonstration parts which comprise specific circuit diagrams and simulation elements. The circuit diagram corresponds to the circuit portion. The simulation element adopts a light emitting diode and is used for simulating the trend of the refrigerant in the refrigeration system.
The front surfaces of the control circuit and the analog demonstration board are provided with a plurality of light emitting diodes, and each light emitting diode corresponds to each position through which the refrigerant flows. As shown in fig. 2, in the cooling state, 11 light emitting diodes are provided for the positions through which the refrigerant flows, and the positions corresponding to the respective light emitting diodes are: compressor → muffler → four-way reversing valve → condenser (outdoor heat exchanger) → check valve 1 → filter drier 2 → capillary tube 2 → evaporator (indoor heat exchanger) → buffer → four-way reversing valve → compressor.
In the heating state, 11 light emitting diodes are provided for the positions through which the refrigerant flows, and the positions corresponding to the respective light emitting diodes are: compressor → muffler → four-way reversing valve → buffer → condenser (indoor heat exchanger) → check valve 2 → filter drier 1 → capillary tube 1 → evaporator (outdoor heat exchanger) → four-way reversing valve → compressor.
When the refrigerator flows through the part of the air conditioner corresponding to the light emitting diode, the light emitting diode is lightened. The specific working state of each component in the air conditioner can be known by observing the brightness of the corresponding light-emitting diode in the simulation demonstration system.
The instrument panel is provided with various instruments for monitoring the working state of the refrigeration system, and the instruments comprise a high-pressure meter, a low-pressure meter, a voltmeter, an ammeter, a digital display thermometer, a liquid sight glass and other instruments which can be installed on a flat plate, and are used for displaying the reading of each instrument in the working process of the air conditioner so as to know the working state of each part of the air conditioner.
The utility model provides an air-conditioning training device, which installs each part of the refrigeration system in the air-conditioner in the way of an operation table, and exposes other parts except the evaporator and the condenser, so that learners can clearly see the material object form of each part; the control circuit part is arranged on the flat plate, and the circuit part and the circuit diagram of the air conditioner are respectively arranged on two sides of the flat plate for comparison, so that learners can clearly see the operation principle of the air conditioner; in order to obtain a better demonstration effect, the simulation demonstration system is arranged on the flat plate to simulate the trend of the refrigerant in the refrigeration system, so that learners have more visual impression on the principle of the air conditioner. Therefore the utility model discloses combine the theoretical study and the actual operation application of air conditioner maintenance, design well, can adapt to the demand of new era to the vocational education teaching means.
The physical size and the placing position of the control system, the control circuit simulation demonstration board and the instrument panel of the air conditioner can be arranged and set according to actual needs.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a real device of instructing of air conditioner which characterized in that includes:
a refrigeration system of an air conditioner;
the control circuit and the simulation demonstration board are used for controlling and simulating the refrigeration system;
and the instrument panel is used for displaying the running state parameters of the refrigeration system.
2. The air conditioning practical training device of claim 1,
the refrigerating system comprises an indoor unit part and an outdoor unit part; wherein,
the outdoor unit part comprises a compressor, a condenser, a first capillary tube, a first drying filter, a silencer, a buffer, a first check valve and a four-way valve;
the indoor unit part comprises an evaporator, a second capillary tube, a second drying filter and a second check valve;
the condenser is installed between the compressor discharge port and the capillary tube;
the evaporator is arranged between the capillary tube and the air suction port of the compressor;
the capillary tubes and the dry filter are arranged between the condenser and the evaporator;
the muffler is arranged between the outlet of the compressor and the four-way valve;
the buffer is arranged between the four-way valve and the evaporator;
the check valve is installed between the condenser and the evaporator, the first check valve is parallel to the first capillary tube and the first dry filter, and the second check valve is parallel to the second capillary tube and the second dry filter;
and four ports of the four-way valve are respectively connected with the evaporator, the condenser, the compressor and the silencer.
3. The practical training device for air conditioners as claimed in claim 2, wherein the refrigeration system is a closed system formed by connecting pipelines.
4. An air-conditioning practical training device as claimed in any one of claims 1 to 3, wherein an evaporator and a condenser in the refrigeration system are packaged in a shell, and the compressor, the capillary tube, the drying filter, the muffler, the buffer, the check valve, the four-way valve and the connecting pipeline are installed in a bare mode.
5. The air-conditioning practical training device according to claim 1, wherein the control circuit and the simulation demonstration board comprise a circuit part and a simulation demonstration part, and the two parts are respectively arranged on two surfaces of the control circuit and the simulation demonstration board.
6. The practical training device for air conditioners as claimed in claim 5, wherein the circuit part comprises an indoor unit control circuit, an outdoor unit control circuit and a central processing unit, and the indoor unit control circuit and the outdoor unit control circuit are controlled by the central processing unit.
7. The practical training device of air conditioners as claimed in claim 6, wherein the indoor unit control circuit comprises:
the power supply circuit is used for providing a working power supply required by an electric control system of the indoor unit of the air conditioner;
the power-on reset circuit is used for outputting a reset signal to the chip when the power supply is powered on and voltage abnormity or interference occurs in work;
the crystal oscillator circuit is used for providing a reference clock sequence for the system;
the zero-crossing detection circuit is used for controlling the wind shield of the indoor fan and detecting the abnormity of the power supply voltage;
the indoor fan control circuit is used for controlling the air speed of the indoor fan;
the stepping motor control circuit is used for changing the direction of the air outlet of the indoor fan;
the ventilation circuit is used for controlling the operation of the ventilation motor;
the temperature sensor control circuit is used for detecting the indoor temperature and the temperature of the coil pipe and providing a temperature signal to the central processing unit so that the central processing unit can carry out temperature regulation according to the temperature signal;
the electrically erasable programmable read-only memory circuit is used for transmitting the operating state parameters of the air conditioner to the display screen circuit;
the display screen brightness detection circuit is used for controlling the brightness of the display screen to change along with the intensity of the ambient light;
and the display screen circuit is used for displaying the running state of the air conditioner.
8. The air-conditioning practical training device according to claim 6 or 7, wherein the outdoor unit control circuit comprises:
the switching power supply circuit is used for converting direct current into alternating current and providing a stable power supply for the outdoor unit;
a voltage detection circuit for detecting whether the power supply voltage is abnormal;
the current detection circuit is used for detecting the power supply current of the compressor;
the outdoor fan four-way valve control circuit is used for controlling the fan and the four-way valve to adjust outdoor air speed and switching refrigeration and heating;
the temperature sensor control circuit is used for detecting the outdoor environment temperature, the system coil temperature, the exhaust temperature and the overload protection circuit;
the electrically erasable programmable read only memory and the running state indicating circuit are used for recording and displaying the running parameters and the running state of the air conditioner;
the power module driving circuit is used for converting the filtered direct current into three-phase alternating current with variable frequency;
and the communication circuit is used for communication between the indoor unit and the outdoor unit.
9. The practical training device for air conditioners as claimed in claim 5, wherein the simulation demonstration part comprises a circuit diagram and a simulation element, the circuit diagram corresponds to the circuit part, and the simulation element adopts a light emitting diode for demonstrating the direction of refrigerant in the refrigeration system.
10. The practical training device of the air conditioner as claimed in claim 1, wherein a high-pressure meter, a low-pressure meter, a voltmeter, an ammeter, a digital display thermometer and a liquid viewing mirror are arranged on the instrument panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820115130XU CN201207246Y (en) | 2008-05-16 | 2008-05-16 | Air-conditioner training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820115130XU CN201207246Y (en) | 2008-05-16 | 2008-05-16 | Air-conditioner training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207246Y true CN201207246Y (en) | 2009-03-11 |
Family
ID=40466306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820115130XU Expired - Fee Related CN201207246Y (en) | 2008-05-16 | 2008-05-16 | Air-conditioner training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201207246Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184672A (en) * | 2011-05-29 | 2011-09-14 | 顺德职业技术学院 | Digital vortex multi-connected air conditioner refrigerating system teaching training station |
| CN102194364A (en) * | 2011-05-27 | 2011-09-21 | 顺德职业技术学院 | Teaching training table for alternating-current variable-frequency multi-unit air conditioning unit |
| CN102222443A (en) * | 2011-05-27 | 2011-10-19 | 顺德职业技术学院 | Educational instrument for refrigerating system of heat pump hot water machine |
| CN103473979A (en) * | 2013-09-11 | 2013-12-25 | 广东交通职业技术学院 | Teaching practical training platform for air conditioner comprehensive performance test |
| CN103632600A (en) * | 2012-08-27 | 2014-03-12 | 北京劳动保障职业学院 | Air conditioning refrigeration technology multi function continuous training device |
| CN104091510A (en) * | 2014-06-27 | 2014-10-08 | 顺德职业技术学院 | Household air conditioner microcomputer control technology combined training equipment |
| CN106652749A (en) * | 2016-12-30 | 2017-05-10 | 武汉华育诺为信息技术有限公司 | Air conditioner practical training device |
-
2008
- 2008-05-16 CN CNU200820115130XU patent/CN201207246Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194364A (en) * | 2011-05-27 | 2011-09-21 | 顺德职业技术学院 | Teaching training table for alternating-current variable-frequency multi-unit air conditioning unit |
| CN102222443A (en) * | 2011-05-27 | 2011-10-19 | 顺德职业技术学院 | Educational instrument for refrigerating system of heat pump hot water machine |
| CN102194364B (en) * | 2011-05-27 | 2013-01-02 | 顺德职业技术学院 | Teaching training table for alternating-current variable-frequency multi-unit air conditioning unit |
| CN102222443B (en) * | 2011-05-27 | 2013-04-17 | 顺德职业技术学院 | Educational instrument for refrigerating system of heat pump hot water machine |
| CN102184672A (en) * | 2011-05-29 | 2011-09-14 | 顺德职业技术学院 | Digital vortex multi-connected air conditioner refrigerating system teaching training station |
| CN102184672B (en) * | 2011-05-29 | 2013-04-17 | 顺德职业技术学院 | Digital vortex multi-connected air conditioner refrigerating system teaching training station |
| CN103632600A (en) * | 2012-08-27 | 2014-03-12 | 北京劳动保障职业学院 | Air conditioning refrigeration technology multi function continuous training device |
| CN103473979A (en) * | 2013-09-11 | 2013-12-25 | 广东交通职业技术学院 | Teaching practical training platform for air conditioner comprehensive performance test |
| CN103473979B (en) * | 2013-09-11 | 2016-06-01 | 广东交通职业技术学院 | Air conditioner comprehensive performance test practice teaching platform |
| CN104091510A (en) * | 2014-06-27 | 2014-10-08 | 顺德职业技术学院 | Household air conditioner microcomputer control technology combined training equipment |
| CN104091510B (en) * | 2014-06-27 | 2016-05-18 | 顺德职业技术学院 | A kind of domestic air conditioning microcomputerized control technological synthesis exercise equipment |
| CN106652749A (en) * | 2016-12-30 | 2017-05-10 | 武汉华育诺为信息技术有限公司 | Air conditioner practical training device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 |