DE2360032A1 - Verfahren zur erzeugung tiefer temperaturen in pruefkammern bei hochleistungspruefungen von geraeten - Google Patents
Verfahren zur erzeugung tiefer temperaturen in pruefkammern bei hochleistungspruefungen von geraetenInfo
- Publication number
- DE2360032A1 DE2360032A1 DE19732360032 DE2360032A DE2360032A1 DE 2360032 A1 DE2360032 A1 DE 2360032A1 DE 19732360032 DE19732360032 DE 19732360032 DE 2360032 A DE2360032 A DE 2360032A DE 2360032 A1 DE2360032 A1 DE 2360032A1
- Authority
- DE
- Germany
- Prior art keywords
- test
- test chamber
- chamber
- foam
- low temperatures
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims description 72
- 238000000034 method Methods 0.000 title claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 238000011056 performance test Methods 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 210000001520 comb Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
- F25D23/063—Walls defining a cabinet formed by an assembly of panels
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2849—Environmental or reliability testing, e.g. burn-in or validation tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16772372A DD101235A1 (enrdf_load_html_response) | 1972-12-20 | 1972-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2360032A1 true DE2360032A1 (de) | 1974-07-04 |
Family
ID=5489430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732360032 Pending DE2360032A1 (de) | 1972-12-20 | 1973-12-01 | Verfahren zur erzeugung tiefer temperaturen in pruefkammern bei hochleistungspruefungen von geraeten |
Country Status (4)
| Country | Link |
|---|---|
| DD (1) | DD101235A1 (enrdf_load_html_response) |
| DE (1) | DE2360032A1 (enrdf_load_html_response) |
| FR (1) | FR2211632B3 (enrdf_load_html_response) |
| NL (1) | NL7316892A (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269370A (en) * | 1991-03-28 | 1993-12-14 | General Dynamics Corporation, Space Systems Div. | Thermal cycling device |
| DE4128881C2 (de) * | 1990-09-06 | 2000-10-19 | Perkin Elmer Ltd | Vorrichtung und Verfahren zum Herabsetzen der Temperatur |
-
1972
- 1972-12-20 DD DD16772372A patent/DD101235A1/xx unknown
-
1973
- 1973-12-01 DE DE19732360032 patent/DE2360032A1/de active Pending
- 1973-12-10 NL NL7316892A patent/NL7316892A/xx not_active Application Discontinuation
- 1973-12-17 FR FR7345099A patent/FR2211632B3/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128881C2 (de) * | 1990-09-06 | 2000-10-19 | Perkin Elmer Ltd | Vorrichtung und Verfahren zum Herabsetzen der Temperatur |
| US5269370A (en) * | 1991-03-28 | 1993-12-14 | General Dynamics Corporation, Space Systems Div. | Thermal cycling device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2211632A1 (enrdf_load_html_response) | 1974-07-19 |
| FR2211632B3 (enrdf_load_html_response) | 1976-10-15 |
| NL7316892A (enrdf_load_html_response) | 1974-06-24 |
| DD101235A1 (enrdf_load_html_response) | 1973-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |