CN103473979A - Teaching practical training platform for air conditioner comprehensive performance test - Google Patents
Teaching practical training platform for air conditioner comprehensive performance test Download PDFInfo
- Publication number
- CN103473979A CN103473979A CN2013104132132A CN201310413213A CN103473979A CN 103473979 A CN103473979 A CN 103473979A CN 2013104132132 A CN2013104132132 A CN 2013104132132A CN 201310413213 A CN201310413213 A CN 201310413213A CN 103473979 A CN103473979 A CN 103473979A
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- compressor
- fan
- indoor
- air
- 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.)
- Granted
Links
- 238000011056 performance test Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 238000005265 energy consumption Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 18
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a teaching practical training platform for an air conditioner comprehensive performance test, and belongs to teaching equipment. The platform includes an air conditioner indoor unit, an air conditioner outdoor unit and an operating floor, wherein the air conditioner indoor unit is composed of an indoor fan and an evaporator, and the air conditioner outdoor unit is composed of an outdoor fan, a condenser, a compressor and capillary tubes. The air conditioner indoor unit and the air conditioner outdoor unit form an air conditioning circulating system. The operating floor is provided with an air conditioner indoor unit mounting position, an air conditioner outdoor unit mounting position, an operation panel, an indoor fan testing module, an outdoor fan testing module, a compressor testing module, an air conditioning circulating system testing module and an energy consumption monitoring module; the indoor fan testing module is used for changing and testing the fan performance of the air conditioner indoor unit; the outdoor fan testing module is used for changing and testing the fan performance of the air conditioner outdoor unit; the compressor testing module is used for changing and testing the performance of the air conditioner compressor; the air conditioning circulating system testing module is used for changing and testing the performance of the air conditioning circulating system. The teaching practical training platform has the advantages of being convenient to change and suitable for teaching activities of an air conditioner or other refrigeration equipment.
Description
Technical field
The present invention relates to the teaching equipment of air-conditioning technical, is a kind of air conditioner comprehensive performance test practice teaching platform specifically.
Background technology
Air-conditioning has become the important guarantee of building indoor a home from home, increasing work efficiency.But air-conditioning, when building a home from home, has also consumed a large amount of energy, and its developing direction directly has influence on the development of national economy, the utilization of the energy and environmental protection.In the time of for the Domestic Air-condition Situation of Heat Consumption, in conjunction with the technical merit of present Domestic Air-condition system and the power-saving technology of appearance, cultivate to grasp air conditioning and refrigeration professional theory knowledge and Specialty Practice technical ability, be engaged in the technical ability applied talent of the aspects such as technology upgrading, improvement and design, installation, debugging maintenance, technical management of air-conditioning, refrigeration plant and system.The relevant speciality of most school is all too focused on teaching of knowwhy, shortage is put into practice the cultivation of technical ability to Students ' Major, mainly because lack the relevant device that is specifically designed to teaching at present, can only be by existing market-oriented product transformed be obtained.
Summary of the invention
Task of the present invention is for above-mentioned technical matters, to provide a kind of air conditioner comprehensive performance test practice teaching platform that is specifically designed to the education of air-conditioning correlation technique.
Technological means: the invention discloses a kind of air conditioner comprehensive performance test practice teaching platform, comprise the indoor apparatus of air conditioner formed by indoor fan and evaporator, the air-conditioner outdoor unit and the operator's console that link together and form by outdoor fan, condenser, compressor and kapillary pipeline, indoor apparatus of air conditioner and air-conditioner outdoor unit form air conditioner circulating system, on operator's console, be provided with indoor apparatus of air conditioner installation position, air-conditioner outdoor unit installation position, guidance panel and
For changing the also indoor fan test module of testing air conditioner indoor machine fan performance; With
For changing the also outdoor fan test module of testing air conditioner outdoor machine fan performance; With
For changing the also compressor test module of testing air conditioner compressor performance; With
For changing the also air conditioner circulating system test module of testing air conditioner circulation system performance; With
The energy consumption monitoring module.
The indoor fan test module comprise pressure regulator for regulating described indoor fan input voltage, for the reometer of measuring chamber internal fan input current, for the voltage table of measuring chamber internal fan input voltage and one group of capacitance varies in size and each other indoor fan in parallel start working capacitor, each indoor fan starts working capacitor and is equipped with disconnect, on described guidance panel, be provided with accordingly pressure regulator control handle, disconnect operating key and for showing the display window of indoor machine fan input voltage size and input current size; The indoor fan test module also comprises for blocking the shelter of evaporator return air area.
The outdoor fan test module comprise pressure regulator for regulating described outdoor fan input voltage, for the reometer of measuring chamber external fan input current, for the voltage table of measuring chamber external fan input voltage and one group of capacitance varies in size and each other outdoor fan in parallel start working capacitor, each outdoor fan starts working capacitor and is equipped with disconnect, on described guidance panel, be provided with accordingly pressure regulator control handle, disconnect operating key and for showing the display window of outdoor machine fan input voltage size and input current size; The outdoor fan test module also comprises for blocking the shelter of condenser return air area.
The compressor test module comprises pressure regulator for regulating described compressor input voltage, for the reometer of measuring the compressor input current, for the voltage table of measuring the compressor input voltage with one group of capacitance varies in size and compressor start working capacitor in parallel each other, each compressor start working capacitor is equipped with disconnect, on described guidance panel, be provided with accordingly pressure regulator control handle, disconnect operating key and for showing the display window of compressor input voltage size and input current size.
The air conditioner circulating system test module comprises:
Described kapillary more than one, each kapillary all is arranged in parallel between described evaporator and described condenser, and each internal diameter capillaceous is identical and length is all different, and is equipped with solenoid valve, is provided with corresponding solenoid control key on described guidance panel; With
For measuring the evaporator parameter measurement sensor group of evaporator outlet temperature, evaporator temperature and evaporating pressure, and be provided with corresponding parameter display window on described guidance panel; With
For measuring the condenser parameter measurement sensor group of condensator outlet temperature, condenser temperature and condenser pressure, and be provided with corresponding parameter display window on described guidance panel; With
For measuring the compressor parameter measurement sensor group of compressor temperature, Compressor Discharge Pressure, suction pressure of compressor, compressor exhaust temperature and compressor air suction temperature, and be provided with corresponding parameter display window on described guidance panel.
The energy consumption monitoring module is connected with the general supply of described air conditioner comprehensive performance test practice teaching platform, comprises power meter and the electric energy meter of the voltage table for measuring total voltage, the reometer of measuring total current, measurement general power.
Be provided with one group of universal wheel in the bottom surface of operator's console.
Beneficial effect: 1, the present invention can form the normal domestic use air-conditioning through simple electric equipment altering, also single parts can be formed in the recycle design assembling according to air-conditioning system, and easily manufactured, cost is lower, is applicable to very much being applied to education activities; 2, detect and show intuitively the serviceability of all parts of air-conditioning by sensor, be convenient to composition, the method for operation, performance and each correlation parameter that the student is familiar with air-conditioning system; 3, facilitate the student to understand the relation between heat pump performance and energy consumption, and make it grasp the method for testing of refrigerating capacity and various performance parameters.
The accompanying drawing explanation
Fig. 1 is air conditioner circulating system schematic diagram of the present invention;
Fig. 2 is electrical structure schematic diagram of the present invention;
Fig. 3 is schematic diagram of the present invention.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, the invention discloses a kind of air conditioner comprehensive performance test practice teaching platform, comprise the indoor apparatus of air conditioner 1 formed by indoor fan 11 and evaporator 12, by outdoor fan 21, condenser 23, air-conditioner outdoor unit 2 and operator's console 3 that compressor 22 and kapillary 24 pipelines link together and form, indoor apparatus of air conditioner 1 forms air conditioner circulating system with air-conditioner outdoor unit 2, the indoor set 1 of air-conditioning is arranged on the top of operator's console, air-conditioner outdoor unit 2 is split the bottom that is arranged on operator's console 3, also be provided with guidance panel 31 and for changing and the indoor fan test module of testing air conditioner indoor machine fan performance on operator's console 3, for changing the also outdoor fan test module of testing air conditioner outdoor machine fan performance, for changing the also compressor test module of testing air conditioner compressor performance, for changing also air conditioner circulating system test mould and the energy consumption monitoring module of testing air conditioner circulation system performance.The bottom of operator's console 3 is provided with drawer 32, and the bottom surface of operator's console is provided with one group of universal wheel 33, is provided with the schematic diagram 311 of the circulation system on guidance panel.
The indoor fan test module comprises the pressure regulator H for conditioning chamber internal fan 11 input voltages
1, for the reometer A of measuring chamber internal fan 11 input currents
1, for the voltage table V of measuring chamber internal fan input voltage
1with one group of capacitance, vary in size and each other in parallel indoor fan start working capacitor C1, each indoor fan starts working capacitor C1 and is equipped with disconnect K1, on guidance panel, be provided with accordingly disconnect operating key K11, pressure regulator control handle and for showing the display window of indoor machine fan input voltage size and input current size.
The outdoor fan test module comprises the pressure regulator H for conditioning chamber external fan 21 input voltages
2, for the reometer A of measuring chamber external fan 21 input currents
2, for the voltage table V of measuring chamber external fan input voltage
2with one group of capacitance, vary in size and each other in parallel outdoor fan start working capacitor C2, each outdoor fan starts working capacitor C2 and is equipped with disconnect K2, on guidance panel, be provided with accordingly disconnect operating key K21, pressure regulator control handle and for showing the display window of outdoor machine fan input voltage size and input current size.
The compressor test module comprises for regulating the pressure regulator H of compressor 22 input voltages
3, for measuring the reometer A of compressor 22 input currents
3, for measuring the voltage table V of compressor input voltage
3with one group of capacitance, vary in size and in parallel compressor start working capacitor C3 each other, each compressor start working capacitor C3 is equipped with disconnect K3, on guidance panel, be provided with accordingly disconnect operating key, pressure regulator control handle and for showing the display window of compressor input voltage size and input current size.
The air conditioner circulating system test module comprises following structure:
1) the described kapillary 24 more than, each kapillary all is arranged in parallel between evaporator 12 and condenser 23, each internal diameter capillaceous is identical and length is all different, and be equipped with the K switch 4 that its electrical structure of solenoid valve 25(comprises electromagnetic valve coil L and control coil L break-make, refer to Fig. 2), be provided with corresponding solenoid control key K4 on guidance panel;
2) for measuring the evaporator parameter measurement sensor group of evaporator outlet temperature, evaporator temperature and evaporating pressure, and be provided with corresponding parameter display window on guidance panel;
3) for measuring the condenser parameter measurement sensor group of condensator outlet temperature, condenser temperature and condenser pressure, and be provided with corresponding parameter display window on guidance panel;
4) for measuring the compressor parameter measurement sensor group of compressor temperature, Compressor Discharge Pressure, suction pressure of compressor, compressor exhaust temperature and compressor air suction temperature, and be provided with corresponding parameter display window on described guidance panel.
The energy consumption monitoring module is connected with the general supply of air conditioner comprehensive performance test practice teaching platform, comprises power meter and the electric energy meter of the voltage table for measuring total voltage, the reometer of measuring total current, measurement general power.
The student is when doing experiment, change indoor fan, the capacitance size of the voltage swing of outdoor fan and compressor and startup working capacitor, select the kapillary of different length size, fill the cold-producing medium of different amounts and change it to the circulation system and vacuumize degree, change condenser, evaporator air output size is to change the running status of air-conditioning, the line item of going forward side by side, while survey record compressor, the parameter value of the temperature of condenser and evaporator and pressure intensity parameter value and general supply, obtain indoor fan by contrast, outdoor fan, compressor and kapillary coordinate the circulation system that just can make air-conditioning in the most energy-conservation under what kind of condition, the most efficient duty.By taking action on one's own, understand each voltage, respectively start the impact on the air conditioner circulating system performance of working capacitor and kapillary, the theory and practice manipulative ability is combined, for the technology upgrading of being engaged in air-conditioning, refrigeration plant and system, research and development of products, product are installed later, debugging maintenance etc. provides basis.
Claims (9)
1. an air conditioner comprehensive performance test practice teaching platform, it is characterized in that: comprise the indoor apparatus of air conditioner formed by indoor fan and evaporator, the air-conditioner outdoor unit and the operator's console that link together and form by outdoor fan, condenser, compressor and kapillary pipeline, indoor apparatus of air conditioner and air-conditioner outdoor unit form air conditioner circulating system, on operator's console, be provided with indoor apparatus of air conditioner installation position, air-conditioner outdoor unit installation position, guidance panel and
For changing the also indoor fan test module of testing air conditioner indoor machine fan performance; With
For changing the also outdoor fan test module of testing air conditioner outdoor machine fan performance; With
For changing the also compressor test module of testing air conditioner compressor performance; With
For changing the also air conditioner circulating system test module of testing air conditioner circulation system performance; With
The energy consumption monitoring module.
2. air conditioner comprehensive performance test practice teaching platform according to claim 1, it is characterized in that: described indoor fan test module comprises for regulating the pressure regulator of described indoor fan input voltage, reometer for measuring chamber internal fan input current, for the voltage table of measuring chamber internal fan input voltage and one group of capacitance varies in size and each other indoor fan in parallel start working capacitor, each indoor fan starts working capacitor and is equipped with disconnect, be provided with accordingly the control handle of pressure regulator on described guidance panel, the operating key of disconnect and for showing the display window of indoor machine fan input voltage size and input current size.
3. air conditioner comprehensive performance test practice teaching platform according to claim 2, it is characterized in that: described indoor fan test module comprises for blocking the shelter of described evaporator return air area.
4. air conditioner comprehensive performance test practice teaching platform according to claim 1, it is characterized in that: described outdoor fan test module comprises for regulating the pressure regulator of described outdoor fan input voltage, reometer for measuring chamber external fan input current, for the voltage table of measuring chamber external fan input voltage and one group of capacitance varies in size and each other outdoor fan in parallel start working capacitor, each outdoor fan starts working capacitor and is equipped with disconnect, be provided with accordingly the control handle of pressure regulator on described guidance panel, the operating key of disconnect and for showing the display window of outdoor machine fan input voltage size and input current size.
5. air conditioner comprehensive performance test practice teaching platform according to claim 4, it is characterized in that: described outdoor fan test module comprises for blocking the shelter of described condenser return air area.
6. air conditioner comprehensive performance test practice teaching platform according to claim 1, it is characterized in that: described compressor test module comprises for regulating the pressure regulator of described compressor input voltage, for measuring the reometer of compressor input current, for the voltage table of measuring the compressor input voltage with one group of capacitance varies in size and compressor start working capacitor in parallel each other, each compressor start working capacitor is equipped with disconnect, be provided with accordingly the control handle of pressure regulator on described guidance panel, the operating key of disconnect and for showing the display window of compressor input voltage size and input current size.
7. air conditioner comprehensive performance test practice teaching platform according to claim 1, it is characterized in that: described air conditioner circulating system test module comprises:
Described kapillary more than one, in parallel between each kapillary, it is arranged between described evaporator and described condenser, and each internal diameter capillaceous is identical and length is all different, and it is equipped with solenoid valve, is provided with corresponding solenoid control key on described guidance panel; With
For measuring the evaporator parameter measurement sensor group of evaporator outlet temperature, evaporator temperature and evaporating pressure, and be provided with corresponding parameter display window on described guidance panel; With
For measuring the condenser parameter measurement sensor group of condensator outlet temperature, condenser temperature and condenser pressure, and be provided with corresponding parameter display window on described guidance panel; With
For measuring the compressor parameter measurement sensor group of compressor temperature, Compressor Discharge Pressure, suction pressure of compressor, compressor exhaust temperature and compressor air suction temperature, and be provided with corresponding parameter display window on described guidance panel.
8. air conditioner comprehensive performance test practice teaching platform according to claim 1, it is characterized in that: described energy consumption monitoring module is connected with the general supply of described air conditioner comprehensive performance test practice teaching platform, comprises power meter and the electric energy meter of the voltage table for measuring total voltage, the reometer of measuring total current, measurement general power.
9. according to the described air conditioner comprehensive performance test of claim 1-8 any one claim practice teaching platform, it is characterized in that: be provided with one group of universal wheel in the bottom surface of described operator's console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413213.2A CN103473979B (en) | 2013-09-11 | 2013-09-11 | Air conditioner comprehensive performance test practice teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413213.2A CN103473979B (en) | 2013-09-11 | 2013-09-11 | Air conditioner comprehensive performance test practice teaching platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103473979A true CN103473979A (en) | 2013-12-25 |
| CN103473979B CN103473979B (en) | 2016-06-01 |
Family
ID=49798805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413213.2A Expired - Fee Related CN103473979B (en) | 2013-09-11 | 2013-09-11 | Air conditioner comprehensive performance test practice teaching platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103473979B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240256A (en) * | 2015-09-28 | 2016-01-13 | 苏州艾克威尔科技有限公司 | Air compressor energy consumption monitoring and management system and monitoring method thereof |
| CN105486531A (en) * | 2016-01-19 | 2016-04-13 | 长沙格力暖通制冷设备有限公司 | Air-conditioner outdoor unit test system |
| CN106128274A (en) * | 2016-06-24 | 2016-11-16 | 张湘粤 | A kind of separate type air conditioner skills practice training device |
| CN111550939A (en) * | 2020-05-13 | 2020-08-18 | 吉林大学 | Variable working condition refrigeration cycle system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207246Y (en) * | 2008-05-16 | 2009-03-11 | 淄博职业学院 | Air-conditioner training device |
| JP2009089786A (en) * | 2007-10-04 | 2009-04-30 | Ai Denshi Kk | Putout ball-counting device of pachinko game machine |
| CN201311728Y (en) * | 2008-11-24 | 2009-09-16 | 浙江天煌科技实业有限公司 | Practical training device of refrigerating and air-conditioning system |
| CN202075910U (en) * | 2011-05-27 | 2011-12-14 | 顺德职业技术学院 | AC frequency conversion multi-connected air conditioner integrated control system teaching instrument |
| CN203503231U (en) * | 2013-09-11 | 2014-03-26 | 广东交通职业技术学院 | Teaching and practical training platform for air conditioner comprehensive performance test |
-
2013
- 2013-09-11 CN CN201310413213.2A patent/CN103473979B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009089786A (en) * | 2007-10-04 | 2009-04-30 | Ai Denshi Kk | Putout ball-counting device of pachinko game machine |
| CN201207246Y (en) * | 2008-05-16 | 2009-03-11 | 淄博职业学院 | Air-conditioner training device |
| CN201311728Y (en) * | 2008-11-24 | 2009-09-16 | 浙江天煌科技实业有限公司 | Practical training device of refrigerating and air-conditioning system |
| CN202075910U (en) * | 2011-05-27 | 2011-12-14 | 顺德职业技术学院 | AC frequency conversion multi-connected air conditioner integrated control system teaching instrument |
| CN203503231U (en) * | 2013-09-11 | 2014-03-26 | 广东交通职业技术学院 | Teaching and practical training platform for air conditioner comprehensive performance test |
Non-Patent Citations (1)
| Title |
|---|
| 梁海洲等: "变频空调综合实验装置的设计", 《实验室研究与探索》, vol. 29, no. 7, 31 July 2010 (2010-07-31), pages 193 - 196 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240256A (en) * | 2015-09-28 | 2016-01-13 | 苏州艾克威尔科技有限公司 | Air compressor energy consumption monitoring and management system and monitoring method thereof |
| CN105486531A (en) * | 2016-01-19 | 2016-04-13 | 长沙格力暖通制冷设备有限公司 | Air-conditioner outdoor unit test system |
| CN106128274A (en) * | 2016-06-24 | 2016-11-16 | 张湘粤 | A kind of separate type air conditioner skills practice training device |
| CN111550939A (en) * | 2020-05-13 | 2020-08-18 | 吉林大学 | Variable working condition refrigeration cycle system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103473979B (en) | 2016-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202075910U (en) | AC frequency conversion multi-connected air conditioner integrated control system teaching instrument | |
| CN202883418U (en) | Failure detection device for outdoor fan of air conditioner | |
| CN102967478A (en) | Enthalpy difference laboratory | |
| CN107144438B (en) | The method of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity | |
| CN103473979A (en) | Teaching practical training platform for air conditioner comprehensive performance test | |
| CN102914031A (en) | Air conditioner with circulation energy-saving device | |
| CN102194364B (en) | Teaching training table for alternating-current variable-frequency multi-unit air conditioning unit | |
| CN103454924B (en) | A kind of online self diagnosis control method of heat pump water-heating machine and control device thereof | |
| CN201207246Y (en) | Air-conditioner training device | |
| CN203503231U (en) | Teaching and practical training platform for air conditioner comprehensive performance test | |
| CN204925079U (en) | Temperature humidity vibration combined stress screening case | |
| CN201589373U (en) | Electricity-saving control device for air conditioner | |
| CN102184672B (en) | Digital vortex multi-connected air conditioner refrigerating system teaching training station | |
| CN201984343U (en) | Universal fault detection device for air conditioner | |
| CN202853919U (en) | Enthalpy difference laboratory | |
| CN203478510U (en) | Center air conditioner energy-saving PLC | |
| CN206648388U (en) | Refrigeration for refrigerator compartment airflow field test system | |
| KR20100128876A (en) | Green energy management system for home | |
| CN201926562U (en) | Testing device for performance of automobile air conditioning system | |
| CN102194363B (en) | Teaching instrument for alternating-current variable-frequency multi-unit air conditioner integrated control system | |
| CN207065815U (en) | A kind of integrated central air-conditioning intelligence control system | |
| CN204911548U (en) | High low temperature collision test case | |
| CN202102632U (en) | Digital intelligent vortex multi-connection air conditioner integrated control system teaching apparatus | |
| CN203300124U (en) | Multifunctional teaching practical-training device for air-conditioning refrigeration system | |
| CN103673078A (en) | Air-conditioning system for machine room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |