초록 ▼

A transducer and battery performance indicator which senses various levels of specific gravity and other conditions of a liquid or electrolyte of varying degrees of translucency and converts the measurements into electrical analog signals which are fed to an indicator read-out. The device may includ

A transducer and battery performance indicator which senses various levels of specific gravity and other conditions of a liquid or electrolyte of varying degrees of translucency and converts the measurements into electrical analog signals which are fed to an indicator read-out. The device may include temperature and level sensors, as well as an agitator for circulating electrolyte, and a number of them are used remotely to monitor a bank of batteries.

대표청구항 ▼

A battery performance indicator for measuring and monitoring battery conditions, comprising: a. a specific gravity transducer operable to detect various values of specific gravity of a battery liquid electrolyte across a range of interest when said specific gravity transducer is submersed in the liq

A battery performance indicator for measuring and monitoring battery conditions, comprising: a. a specific gravity transducer operable to detect various values of specific gravity of a battery liquid electrolyte across a range of interest when said specific gravity transducer is submersed in the liquid electrolyte; b. electronic circuit means connected to said specific gravity transducer for converting detection signals from said specific gravity transducer into electrical analog signals representative of the specific gravity of said liquid electrolyte; c. read-out means electrically connected to said electronic circuit means for indicating the value of the specific gravity of said liquid electrolyte in response to analog signals from said electronic circuit means; d. said specific gravity transducer, comprising: a housing of dielectric material having a plurality of adjacent vertical channels disposed throughout said housing; passage means for allowing liquid electrolyte flow from outside said housing throughout said housing and said vertical channels and return outside said housing; each of said vertical channels containing a respective float means; each said respective float means being adapted to float in said liquid electrolyte at a different predetermined specific gravity across a range of interest; an emitting source located in said housing on one side of said vertical channels; said emitting source being positioned and operable to radiate energy across one end of each of said vertical channels; a plurality of receiver elements equal in number to the number of vertical channels; one receiver element being positioned on the opposite side of each said vertical channel directly across from said emitting source; each said receiver element being operable to receive radiated energy signals transmitted from said emitting source through said electrolyte and across the respective ends of said vertical channels; each respective float means when coming between said emitting source and its respective receiver element being operable to attenuate the radiated energy signal from said emitting source that is received by the respective receiver element; said attenuation by said respective float means of the radiation signals received by respective receiver elements operating to produce detection signals indicative of the specific gravity of the liquid electrolyte within the range of interest; said detection signals being fed to said electronic circuit means and in turn to said read-out means; e. a power source for providing electrical power to said transducer, said electronic circuitry and said read-out means. A specific gravity transducer, comprising: a. a housing of dielectric material operable to be immersed in a liquid and having a plurality of adjacent vertical channels disposed throughout said housing; b. passage means for allowing flow of said liquid from outside said housing throughout said housing and said vertical channels and return outside said housing; c. each of said vertical channels containing a respective float means; each said respective float means being adapted to float in said liquid at a different predetermined specific gravity across a range of interest; d. an emitting source located in said housing on one side of said vertical channels; said emitting source being positioned and operable to radiate energy across one end of each of said vertical channels; e. a plurality of receiver elements equal in number to the number of vertical channels; one receiver element being positioned on the opposite side of each said vertical channel directly across from said emitting source; each said receiver element being operable to receive radiated energy signals transmitted from said emitting source through said liquid and across the respective ends of said vertical channels; f. each respective float means when coming between said emitting source and its respective receiver element being operable to attenuate the radiated energy signal from said emitting source that is received by the respective receive element; g. said attenuation by said respective float means of the radiation signals received by respective receiver elements operating to produce detection signals indicative of the specific gravity of the liquid within the range of interest; said detection signals being fed to a read-out means; h. a power source for providing electrical power to said emitting source and receiver elements and to said read-out means.