Finger touch testing device for drain pan sensor
View Patent ↗A device attached to a fluid-level sensing probe used in association with the primary drain pan located inside an air conditioning unit or other condensate-producing unit, which provides quick testing for proper sensing probe function without its removal from the condensate-producing unit. A tester can simply press a different finger against each of two electrically-conductive rods attached to an inverted U-shaped mount that is typically fixed to the upper perimeter edge of a secondary drain pan positioned underneath at least a portion of the condensate-producing unit. If the sensing probe is properly functioning, the tester will immediately know, as a circuit will be completed and the condensate-producing unit will be shut off and/or a pump activated to assist removal of collected condensate from the secondary drain pan. For user convenience, an optional quick disconnect can be provided between the sensing probe and the inverted U-shaped mount.
1. A finger touch testing device electrically connectible to a sensing probe used to monitor the fluid level of the primary drain pan inside a condensate-producing unit, said testing device comprising:
a mount having an inverted U-shaped configuration with a front portion, a rear portion, and a slot vertically extending between said front portion and said a rear portion;
two lateral indentations in said front portion of said inverted U-shaped mount, said lateral indentations in positions substantially opposed to one another;
two electrically-conductive rods each fixed to said inverted U-shaped mount, with a portion of each said electrically-conductive rod extending into a different one of said lateral indentations; and
electrically-conductive wiring fixed to said inverted U-shaped mount and having electrical communication with said two electrically-conductive rods so that when said electrically-conductive wiring is connected to a sensing probe installed inside a condensate-producing unit to monitor the fluid level in its primary drain pan, and further when a person places two different fingers against said inverted U-shaped mount so that a portion of each finger enters a different one of said lateral indentations and touches one of said electrically-conductive rods extending into it, proper operation of the fluid level sensor connected to said finger touch testing device will become immediately evident to that person by the occurrence of shut-off or activation action otherwise expected as a result of proper sensing probe function.
2. The testing device of claim 1 further comprising at least one threaded opening through said inverted U-shaped mount and configured for use with a fastener having complementary threads.
3. The testing device of claim 2 wherein said at least one threaded opening extends through said front portion of said inverted U-shaped mount so as to enable said inverted U-shaped mount to be secured to a secondary drain pan from inside the pan.
4. The testing device of claim 1 wherein said two electrically-conductive rods and said electrically-conductive wiring are fixed to said inverted U-shaped mount via over-molding.
5. The testing device of claim 4 wherein said over-molding is downwardly-angled and configured to laterally direct fluid thereon outwardly beyond said electrically-conductive rods situated within said opposed lateral indentations so that such fluid is unlikely to come into contact with said electrically-conductive rods.
6. The testing device of claim 1 wherein said rear portion of said inverted U-shaped mount also has two opposed lateral indentations, with said two opposed lateral indentations of said front portion each being aligned with a different one of said two opposed lateral indentations in said rear portion.
7. The testing device of claim 1 wherein said front portion of said inverted U-shaped mount has a greater length dimension than that of said rear portion of said inverted U-shaped mount.
8. The testing device of claim 1 wherein said rear portion of said inverted U-shaped mount has at least one strengthening rib.
9. The testing device of claim 1 wherein said inverted U-shaped mount is configured without fluid-collecting surfaces and structure.
10. The testing device of claim 1 wherein said two electrically-conductive rods and said electrically-conductive wiring are fixed to said inverted U-shaped mount via over-molding and further wherein said inverted U-shaped mount and said over-molding are configured without fluid-collecting surfaces and structure.
11. The testing device of claim 1 wherein said two electrically-conductive rods and said electrically-conductive wiring are fixed to said inverted U-shaped mount via over-molding, wherein said over-molding has a downwardly angled configuration, and further wherein said inverted U-shaped mount and said over-molding are configured without fluid-collecting surfaces and structure.