DE69107817T2 - System zur Überwachung der Kühlmittelladung einer Klimaanlage. - Google Patents
System zur Überwachung der Kühlmittelladung einer Klimaanlage.Info
- Publication number
- DE69107817T2 DE69107817T2 DE69107817T DE69107817T DE69107817T2 DE 69107817 T2 DE69107817 T2 DE 69107817T2 DE 69107817 T DE69107817 T DE 69107817T DE 69107817 T DE69107817 T DE 69107817T DE 69107817 T2 DE69107817 T2 DE 69107817T2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- coolant
- voltage
- output
- signal
- 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.)
- Expired - Fee Related
Links
- 239000002826 coolant Substances 0.000 title claims description 102
- 238000004378 air conditioning Methods 0.000 title claims description 8
- 238000012544 monitoring process Methods 0.000 title 1
- 239000003507 refrigerant Substances 0.000 claims description 50
- 238000001514 detection method Methods 0.000 claims description 40
- 230000000007 visual effect Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 description 12
- 239000012071 phase Substances 0.000 description 11
- 238000002834 transmittance Methods 0.000 description 10
- 239000007791 liquid phase Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 239000012808 vapor phase Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/006—Fluid-circulation arrangements optical fluid control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00585—Means for monitoring, testing or servicing the air-conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990403577U JPH0490867U (enExample) | 1990-12-17 | 1990-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69107817D1 DE69107817D1 (de) | 1995-04-06 |
| DE69107817T2 true DE69107817T2 (de) | 1995-09-28 |
Family
ID=31881332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69107817T Expired - Fee Related DE69107817T2 (de) | 1990-12-17 | 1991-12-17 | System zur Überwachung der Kühlmittelladung einer Klimaanlage. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5156012A (enExample) |
| EP (1) | EP0491552B1 (enExample) |
| JP (1) | JPH0490867U (enExample) |
| DE (1) | DE69107817T2 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE507585C2 (en) * | 1995-10-16 | 1998-06-22 | Lars Anders Persson | Liquid leak detection apparatus, for cooling medium in conduit - uses microwaves to detect bubbles, droplets or liquid level in conduit or container |
| EP0826529B1 (en) * | 1996-08-26 | 2003-01-02 | Sanden Corporation | Air conditioning system for automotive vehicles |
| JP3154048B2 (ja) * | 1996-10-25 | 2001-04-09 | 株式会社ゼクセルヴァレオクライメートコントロール | 熱交換媒体圧力測定装置 |
| US6470695B2 (en) | 2001-02-20 | 2002-10-29 | Rheem Manufacturing Company | Refrigerant gauge manifold with built-in charging calculator |
| JP4271459B2 (ja) * | 2002-05-15 | 2009-06-03 | サンデン株式会社 | 空調装置 |
| JP2006078090A (ja) * | 2004-09-09 | 2006-03-23 | Sanden Corp | 冷凍装置 |
| US7712319B2 (en) * | 2004-12-27 | 2010-05-11 | Carrier Corporation | Refrigerant charge adequacy gauge |
| US20060138772A1 (en) * | 2004-12-27 | 2006-06-29 | Carrier Corporation | Braze-free connector |
| US20060138771A1 (en) * | 2004-12-27 | 2006-06-29 | Carrier Corporation | Braze-free connector for joining a pair of flow lines |
| US7552596B2 (en) * | 2004-12-27 | 2009-06-30 | Carrier Corporation | Dual thermochromic liquid crystal temperature sensing for refrigerant charge indication |
| US20060137369A1 (en) * | 2004-12-27 | 2006-06-29 | Carrier Corporation | Single sensor three-step refrigerant charge indicator |
| US7610765B2 (en) * | 2004-12-27 | 2009-11-03 | Carrier Corporation | Refrigerant charge status indication method and device |
| US7472557B2 (en) * | 2004-12-27 | 2009-01-06 | Carrier Corporation | Automatic refrigerant charging apparatus |
| US7419192B2 (en) * | 2005-07-13 | 2008-09-02 | Carrier Corporation | Braze-free connector utilizing a sealant coated ferrule |
| WO2008079108A1 (en) * | 2006-12-20 | 2008-07-03 | Carrier Corporation | Refrigerant charge indication |
| US8290722B2 (en) * | 2006-12-20 | 2012-10-16 | Carrier Corporation | Method for determining refrigerant charge |
| US7905099B2 (en) * | 2008-05-21 | 2011-03-15 | Justak John F | Predictive maintenance method and apparatus for HVACR systems |
| US9759465B2 (en) | 2011-12-27 | 2017-09-12 | Carrier Corporation | Air conditioner self-charging and charge monitoring system |
| US9188381B2 (en) | 2013-03-21 | 2015-11-17 | Evapco, Inc. | Method and apparatus for initiating coil defrost in a refrigeration system evaporator |
| CN104534752B (zh) * | 2015-01-26 | 2016-08-24 | 珠海格力电器股份有限公司 | 冷媒灌注系统、方法及空调机组 |
| CN106196778B (zh) * | 2016-08-30 | 2019-04-12 | 海信科龙电器股份有限公司 | 一种冷媒循环系统及其控制方法 |
| CN113787883B (zh) * | 2021-09-07 | 2023-03-24 | 安徽江淮汽车集团股份有限公司 | 一种空调系统及车辆 |
| CN116989505B (zh) * | 2023-09-27 | 2023-12-26 | 浙江德塔森特数据技术有限公司 | 一种数据机柜空调冷媒检测及补充的控制方法和控制装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6012166U (ja) * | 1983-07-02 | 1985-01-26 | 株式会社ボッシュオートモーティブ システム | レシ−バ−タンクの冷媒量検出装置 |
| US4644755A (en) * | 1984-09-14 | 1987-02-24 | Esswood Corporation | Emergency refrigerant containment and alarm system apparatus and method |
| US4931774A (en) * | 1988-08-17 | 1990-06-05 | Dickey-John Corporation | Liquid-vapor change of phase detector |
| US5072595A (en) * | 1990-09-19 | 1991-12-17 | Barbier William J | Apparatus for detecting small bubbles in a pressurized fluid stream |
-
1990
- 1990-12-17 JP JP1990403577U patent/JPH0490867U/ja active Pending
-
1991
- 1991-12-17 US US07/808,766 patent/US5156012A/en not_active Expired - Fee Related
- 1991-12-17 EP EP91311702A patent/EP0491552B1/en not_active Expired - Lifetime
- 1991-12-17 DE DE69107817T patent/DE69107817T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0490867U (enExample) | 1992-08-07 |
| DE69107817D1 (de) | 1995-04-06 |
| EP0491552B1 (en) | 1995-03-01 |
| EP0491552A3 (en) | 1992-08-26 |
| EP0491552A2 (en) | 1992-06-24 |
| US5156012A (en) | 1992-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |