Novel lead-acid battery temperature liquid level sensor

Abstract

A novel lead-acid battery temperature liquid level sensor comprises a sensor outer cover (1). A sensor inner core (2) is arranged in the sensor outer cover (1). The sensor inner core comprises a liquid level floater (3) arranged outside the lower portion of an inner core shell (5), a buckle (4), a temperature sensor (6) arranged in an inner cavity of the lower portion of the inner core shell (5), and a reed switch (7). The novel lead-acid battery temperature liquid level sensor has the advantages that the liquid level sensor and the temperature sensor are integrated, the size of sensors is reduced, a liquid injection opening of a lead-acid battery is used for installation, the size of the liquid injection opening is the same as that of an original liquid injection opening cover, the daily utilization of the lead-acid battery is not influenced, and frequent sensor detachment and installation are not needed in the process of utilizing and charging a storage battery. A wave preventing cover and an air discharge hole are arranged on an outer cover of each sensor, so that measuring errors caused by electrolyte boiling liquid fluctuation in the charging process is prevented. By the adoption of the digital type temperature sensor DS18B20, the novel lead-acid battery temperature liquid level sensor has the advantages of being simple in wire connection, not needing an external adjusting circuit, high in precision, good in reliability and strong in anti-jamming capability.

Description

technical field [0001] The invention relates to the field of detection technology and sensors, and is especially suitable for on-line detection and real-time monitoring of the temperature and liquid level of lead-acid storage batteries. Background technique [0002] Lead-acid batteries have the advantages of high power density, low cost, good high-current discharge characteristics, and easy maintenance. They are widely used in industries such as electric power, communications, transportation, and mining. The scope of application is getting wider and larger. However, the charge and discharge maintenance of lead-acid batteries has a certain degree of professionalism. If the maintenance is not done properly, it will cause problems such as vulcanization of the battery plates, loss of electrolyte, and electrolyte pollution, which will result in reduced battery capacity and shortened life. It will cause the performance of the entire battery pack to degrade, and even cause an acci...

AI Technical Summary

Problems solved by technology

At present, the technologies for detecting battery temperature and liquid level mainly include: infrared liquid level measurement, ultrasonic liquid level measurement, float liquid level measurement, platinum resistance temperature measurement, digital temperature sensor temperature measurement, etc. However, the above methods are costly and intolerant. Corrosion, non-oil resistance and other shortcomings, the stability and reliability in practical applications cannot be guaranteed

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