WO2006012719A1 - Insulating improvement of cables with sensors - Google Patents
Insulating improvement of cables with sensors Download PDFInfo
- Publication number
- WO2006012719A1 WO2006012719A1 PCT/BR2005/000131 BR2005000131W WO2006012719A1 WO 2006012719 A1 WO2006012719 A1 WO 2006012719A1 BR 2005000131 W BR2005000131 W BR 2005000131W WO 2006012719 A1 WO2006012719 A1 WO 2006012719A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber plug
- cap
- sensor
- insulating
- cables
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
Definitions
- the present invention refers to an innovative construction introduced in an insulating system at the end of cables with electric-electronic sensors.
- the end of the sensor supply cables must be insulated, mainly against humidity to avoid measuring mistakes.
- the cables commonly used to determine a physical characteristic have temperature sensors in refrigeration equipment. Those cables work as probes and are immersed in the material mass to be measured.
- electronic components are used at the end of the cable, such as a plate with a thermistor for example, the end must be waterproof enough to stop any damp penetration. If not, damp is likely to change the reading of the physical characteristic and result in an inaccurate value.
- thermoretractile resin in which the cable end with sensors is immersed. It sensor is previously protected with resin, generally epoxy resin. Once the thermoretractile resin inside the metal cap is dry it sticks perfectly to the cable and thereby protects the sensor inside.
- thermoretractile resin when gaps are left inside the cap, thereby exposing the sensor to direct contact with the metal wall and damp, and resulting in inaccurate readings
- the object of this invention is to present an innovative construction in the insulating system at the end of cables equipped with electric- electronic sensors.
- the plug of the system proposed made of elastomer, preferably silicon rubber, covers the end of the insulating cap of the sensor supply cable.
- a metal cap partially filled with epoxy resin covers the sensor and sticks to the end of the rubber plug. Finally, the end of the cap is deformed so as to obtain a peripheral indentation around the rubber plug. The cap necking effectively stops the sensor from any contact with damp.
- the improvement in the insulating system used for sensor cables in question in this invention has the following advantages on the more conventional techniques: - more effective damp proofing
- thermoretractile resin
- Figure 1 side view of the cable end with an insulated sensor
- Figure 2 sectional view of the insulated cable end
- Figure 3 detail of the rubber plug shape
- Figure 4 detail of one construction option for the rubber plug.
- Figures 1 and 2 illustrate the insulating system proposed, including one rubber plug (1) to cover the insulating cap end (2) of the sensor's (4) supply cable (3).
- a metal cap (5) is partially filled with epoxy resin (6) and placed on top of the sensor (4) so as to cover the end of the rubber plug (1) too.
- the cap end (5) is deformed, thereby making a peripheral indentation (7) against the rubber plug (1).
- Figure 3 specifies the shape of the rubber plug (1) whose proximal end (11) has a diameter compatible with the internal diameter of the metal cap (5) and a distal end (12) of a larger diameter so as to create a support lift (5) during the assembly.
- Figure 4 specifies a construction option for the rubber plug (1), which then has a continuously cylindrical shape.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2007001379A MX2007001379A (en) | 2004-08-03 | 2005-07-14 | Insulating improvement of cables with sensors. |
CA002575251A CA2575251A1 (en) | 2004-08-03 | 2005-07-14 | Insulating improvement of cables with sensors |
US11/573,150 US20080137712A1 (en) | 2004-08-03 | 2005-07-14 | Insulating Improvement Of Cables With Sensors |
JP2007524142A JP2008508530A (en) | 2004-08-03 | 2005-07-14 | Improved disconnection of cable with sensor |
EP05759424A EP1774268A1 (en) | 2004-08-03 | 2005-07-14 | Insulating improvement of cables with sensors |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRMU8401979-4 | 2004-08-03 | ||
BRMU8401979 BRMU8401979Y1 (en) | 2004-08-03 | 2004-08-03 | CABLE CABLE ARRANGEMENT WITH SENSORS |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006012719A1 true WO2006012719A1 (en) | 2006-02-09 |
Family
ID=36096064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR2005/000131 WO2006012719A1 (en) | 2004-08-03 | 2005-07-14 | Insulating improvement of cables with sensors |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1774268A1 (en) |
JP (1) | JP2008508530A (en) |
CN (1) | CN101014842A (en) |
BR (1) | BRMU8401979Y1 (en) |
MX (1) | MX2007001379A (en) |
WO (1) | WO2006012719A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063242A1 (en) | 2007-11-15 | 2009-05-27 | Carl Freudenberg KG | Temperature sensor assembly and method for its production |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2102438A5 (en) * | 1970-08-04 | 1972-04-07 | Carlesimo Cia Ltda | |
DD255859A3 (en) * | 1986-11-27 | 1988-04-20 | Geraberg Thermometer | METHOD FOR PRODUCING A MOISTURE-PROOF TEMPERATURE COOLER |
JPH05340822A (en) * | 1992-06-11 | 1993-12-24 | Matsushita Electric Ind Co Ltd | Temperature sensor |
-
2004
- 2004-08-03 BR BRMU8401979 patent/BRMU8401979Y1/en not_active IP Right Cessation
-
2005
- 2005-07-14 EP EP05759424A patent/EP1774268A1/en not_active Ceased
- 2005-07-14 MX MX2007001379A patent/MX2007001379A/en not_active Application Discontinuation
- 2005-07-14 WO PCT/BR2005/000131 patent/WO2006012719A1/en active Application Filing
- 2005-07-14 JP JP2007524142A patent/JP2008508530A/en active Pending
- 2005-07-14 CN CNA2005800261405A patent/CN101014842A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2102438A5 (en) * | 1970-08-04 | 1972-04-07 | Carlesimo Cia Ltda | |
DD255859A3 (en) * | 1986-11-27 | 1988-04-20 | Geraberg Thermometer | METHOD FOR PRODUCING A MOISTURE-PROOF TEMPERATURE COOLER |
JPH05340822A (en) * | 1992-06-11 | 1993-12-24 | Matsushita Electric Ind Co Ltd | Temperature sensor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063242A1 (en) | 2007-11-15 | 2009-05-27 | Carl Freudenberg KG | Temperature sensor assembly and method for its production |
Also Published As
Publication number | Publication date |
---|---|
BRMU8401979Y1 (en) | 2014-01-21 |
EP1774268A1 (en) | 2007-04-18 |
CN101014842A (en) | 2007-08-08 |
BRMU8401979U (en) | 2006-03-21 |
MX2007001379A (en) | 2008-03-11 |
JP2008508530A (en) | 2008-03-21 |
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