Electrolyte monitoring device of lead-acid storage battery

By using a purely mechanical electrolyte monitoring device with the cooperation of a float and a counterweight, the problem of inaccurate measurement in existing electrolyte monitoring devices when the voltage is unstable is solved, and accurate liquid level detection is achieved under power shortage conditions, reducing equipment damage and cost risks.

CN223911691UActive Publication Date: 2026-02-13HEBEI CHAO WEI POWER SUPPLY CO LTD
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Patent Information

Application Number
CN202520303671.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-13
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing electrolyte monitoring devices for lead-acid batteries rely on electricity, which leads to inaccurate measurements when the voltage is unstable and may damage the monitoring equipment, increasing unnecessary costs.

Method used

The electrolyte monitoring device, which adopts a purely mechanical structure, uses the cooperation of a float and a counterweight to control the movement of the marker rope by means of buoyancy, and displays the electrolyte position with a transparent scale plate, thus avoiding dependence on electrical components.

Benefits of technology

It can accurately detect electrolyte level even when the battery is low on power, avoiding the limitations of power components and reducing the risk of equipment damage and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electrolyte monitoring device of a lead-acid storage battery, which belongs to the field of storage batteries and comprises the lead-acid storage battery consisting of a battery shell, an electrode plate and a shell cover, a liquid level detection interlayer is arranged inside the battery shell, and a plurality of electrolyte synchronization holes are arranged on the bottom surface of the liquid level detection interlayer. Compared with the prior art, the device has the advantages that the movement of the identification rope is controlled through the buoyancy of the floating plate, the movement of the identification rope is completed through the balancing weight, and finally the position of electrolyte is determined through the identification point on the identification rope; the whole structure is a pure mechanical structure, so that the liquid level detection device is not limited by electric elements when in use, and the liquid level of the lead-acid storage battery can still be detected when the lead-acid storage battery is short of power.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of storage battery, specifically is a kind of electrolyte monitoring device of lead-acid storage battery. BACKGROUND

[0002] The principle of lead-acid battery discharge process is that lead on negative plate loses two electrons, undergoes oxidation reaction to form lead sulfate; at the same time, lead dioxide on positive plate gets two electrons, undergoes reduction reaction to also generate lead sulfate, and sulfuric acid in electrolyte (dilute sulfuric acid, H2SO4) in the battery reacts with lead sulfate generated on positive and negative plate to generate water and sulfate ion; in this reaction process, sulfuric acid in electrolyte will be lost with continuous discharge process, in order to ensure the service life of lead-acid battery, electrolyte level of lead-acid battery needs to be monitored in real time.

[0003] The existing electrolyte monitoring device of lead-acid battery mainly comprises battery shell, electrode plate and shell cover, and the monitoring of electrolyte level thereof is mainly through real-time observation of liquid inlet when opening shell cover, or using corresponding electronic components for detection, such as ultrasonic detection and laser detection, etc., in use, the controller of these electronic components is connected to the electrode of lead-acid battery for power supply, and then the electrolyte is monitored by electronic components.

[0004] This monitoring method will appear inaccurate detection when lead-acid battery is short of power or power is unstable, and unstable voltage will also damage monitoring electrical appliances, thereby unnecessary cost burden occurs. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is that the existing electrolyte monitoring device of lead-acid battery mostly uses electric type structure, which makes its monitoring depend on power, and inaccurate measurement will occur once lead-acid battery voltage is unstable.

[0006] To solve the above technical problems, the technical scheme provided by the utility model is as follows: an electrolyte monitoring device of lead-acid battery, comprising lead-acid battery composed of battery shell, electrode plate and shell cover, the inside of battery shell is provided with liquid level detection partition layer, and the bottom surface of liquid level detection partition layer is provided with a plurality of electrolyte synchronous holes;

[0007] The upper portion of battery shell is provided with U-shaped liquid level monitoring display groove, one side of U-shaped liquid level monitoring display groove is provided with counterweight groove, the inside of counterweight groove is provided with counterweight block, and the other side of U-shaped liquid level monitoring display groove is provided with floating plate floating on electrolyte, and the counterweight block is connected with floating plate through identification rope.

[0008] As improvement, the upper part of the U-shaped liquid level monitoring display groove is provided with a transparent scale board adhered by sealing glue, and the self weight of the floating plate is greater than the self weight of the counterweight.

[0009] As improvement, the U-shaped liquid level monitoring display groove on one side of the floating plate is a through hole, and the through hole on the side of the floating plate is connected with the marking rope through a waterproof gasket.

[0010] As improvement, the electrode plate comprises a plurality of alternately arranged polar plates and insulating papers, and a polar ring and a polar column welded above each polar plate.

[0011] As improvement, the inside of the battery shell is provided with a plurality of water-permeable separators, the polar plates and the insulating papers are located in each layer composed of the water-permeable separators, and the polar ring above each polar plate is connected in series through a conductive column.

[0012] As improvement, the upper part of the shell cover is provided with a plurality of threaded covers penetrating the top surface of the shell cover.

[0013] Compared with the prior art, the device controls the movement of the marking rope through the buoyancy of the floating plate, the movement of the marking rope is completed through the counterweight, and finally the position of the electrolyte is determined through the marking point on the marking rope; the whole structure is a pure mechanical structure, so that it is not limited by power elements during use, and the liquid level of the lead-acid storage battery can be detected when the lead-acid storage battery is short of power. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a total structure diagram of the electrolyte monitoring device of the lead-acid storage battery.

[0015] Figure 2 is a total structure sectional view of the electrolyte monitoring device of the lead-acid storage battery.

[0016] Figure 3 is a battery shell structure diagram of the electrolyte monitoring device of the lead-acid storage battery.

[0017] Figure 4 is an explosion diagram of the lead-acid storage battery of the electrolyte monitoring device of the lead-acid storage battery.

[0018] Figure 5 is an electrode plate structure diagram of the electrolyte monitoring device of the lead-acid storage battery.

[0019] As shown in the figure: 1, lead-acid storage battery; 11, battery shell; 111, water-permeable partition; 12, electrode plate; 121, pole plate; 122, insulating paper; 123, pole ring; 124, pole column; 13, shell cover; 131, threaded cover; 14, liquid level detection partition; 15, electrolyte synchronous hole; 2, U-shaped liquid level monitoring display groove; 21, counterweight groove; 211, counterweight; 212, floating plate; 2121, waterproof gasket; 213, identification rope; 22, transparent scale plate. DETAILED DESCRIPTION

[0020] The utility model makes further detailed description in connection with the drawings below.

[0021] As shown in the description accompanying drawings Figure 1 , 2 , 3, 4, 5, including by battery shell 11, electrode plate 12 and shell cover 13 constitute lead-acid storage battery 1, the electrode plate 12 includes several alternately placed pole plate 121 and insulating paper 122, and the pole ring 123 and the pole column 124 welded on each pole plate 121 top, the inside of battery shell 11 is equipped with several water-permeable partitions 111, the pole plate 121 and insulating paper 122 are located in each layer of water-permeable partitions 111 group, and the pole ring 123 on each pole plate 121 top is connected in series by conducting column, the top of shell cover 13 is equipped with several threaded covers 131 through the top surface of shell cover 13, after placing pole plate 121 side by side, using lead water to weld pole ring 123 and pole column 124 on both sides of top pole plate 121, insulating paper 122 is placed in the gap of each pole plate 121, to isolate each pole plate 121, then electrode plate 12 is placed in the partition layer formed by each water-permeable partition 111, and each pole ring 123 is connected in series using conducting column, shell cover 13 is covered on the top of battery shell 11, and it is sealed and connected using glue, electrolyte is added into battery shell 11 from the threaded port on the top of shell cover 13, and threaded cover 131 is screwed into the threaded port to seal.

[0022] As shown in the description accompanying drawings Figure 1 , 2The battery shell 11 is internally provided with a liquid level detection partition layer 14, and the bottom surface of the liquid level detection partition layer 14 is provided with a plurality of electrolyte synchronous holes 15; the upper portion of the battery shell 11 is provided with a U-shaped liquid level monitoring display groove 2, one side of the U-shaped liquid level monitoring display groove 2 is provided with a counterweight groove 21, the inside of the counterweight groove 21 is provided with a counterweight block 211, and the other side of the U-shaped liquid level monitoring display groove 2 is provided with a floating plate 212 floating above the electrolyte, the counterweight block 211 is connected with the floating plate 212 through a marking rope 213, the upper portion of the U-shaped liquid level monitoring display groove 2 is provided with a transparent scale plate 22 adhered by sealing glue, the self weight of the floating plate 212 is greater than the self weight of the counterweight block 211, the U-shaped liquid level monitoring display groove 2 on one side of the floating plate 212 is a through hole, and the through hole on the side of the floating plate 212 is connected with the marking rope 213 through a waterproof gasket 2121; one side of the marking rope 213 is wound on the counterweight block 211, the counterweight block 211 is then put into the counterweight groove 21, the other end of the counterweight groove 21 is passed through the through hole in the bottom surface of the U-shaped liquid level monitoring display groove 2, and after passing through the waterproof gasket 2121, the marking rope 213 is wound on the floating plate 212, the waterproof gasket 2121 is then inserted into the through hole in the bottom surface of the U-shaped liquid level monitoring display groove 2 for sealing, so as to prevent the electrolyte from flowing back; finally, the transparent scale plate 22 is adhered to the groove in the bottom surface of the U-shaped liquid level monitoring display groove 2 by using waterproof glue, and when the shell cover 13 is put into the battery shell 11, the counterweight groove 21 and the floating plate 212 are placed in the liquid level detection partition layer 14.

[0023] In the specific implementation, when the lead-acid storage battery 1 lacks electrolyte, the floating plate 212 moves to the side of the floating plate 212 under the action of gravity, and pulls the marking rope 213, and the user determines the height of the electrolyte by observing the displacement change of the marking point of the marking rope 213 and the transparent scale plate 22, and when the user adds electrolyte, the electrolyte flows into the liquid level detection partition layer 14 from the electrolyte synchronous hole 15, so that the floating plate 212 floating above the electrolyte moves upward, and at this time, the marking rope 213 moves to the side of the counterweight block 211 under the pressure of the counterweight block 211.

[0024] The above describes the utility model and its implementation, which is not restrictive, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. An electrolyte monitoring device for a lead-acid storage battery comprising a lead-acid storage battery (1) consisting of a battery case (11), electrode plates (12), and a case cover (13), characterized by: The inside of the battery shell (11) is provided with a liquid level detection partition layer (14), and the bottom surface of the liquid level detection partition layer (14) is provided with a plurality of electrolyte synchronous holes (15); The upper portion of the battery shell (11) is provided with a U-shaped liquid level monitoring display groove (2), one side of the U-shaped liquid level monitoring display groove (2) is provided with a counterweight groove (21), the inside of the counterweight groove (21) is provided with a counterweight block (211), and the other side of the U-shaped liquid level monitoring display groove (2) is provided with a floating plate (212) floating above the electrolyte, and the counterweight block (211) is connected with the floating plate (212) through a marking rope (213).

2. A monitoring device for electrolyte of a lead-acid battery according to claim 1, characterized in that: The upper portion of the U-shaped liquid level monitoring display groove (2) is provided with a transparent scale plate (22) adhered by sealing glue, and the self-weight of the floating plate (212) is greater than the self-weight of the counterweight block (211).

3. A monitoring device for electrolyte of a lead-acid battery according to claim 1, characterized in that: The U-shaped liquid level monitoring display groove (2) on one side of the floating plate (212) is a through hole, and the through hole on the side of the floating plate (212) is connected with the marking rope (213) through a waterproof gasket (2121).

4. A monitoring device for electrolyte of a lead-acid battery according to claim 1, characterized in that: The electrode plate (12) comprises a plurality of alternating polar plates (121) and insulating papers (122), and a polar ring (123) and a polar column (124) welded above each polar plate (121).

5. A monitoring device for electrolyte of a lead-acid battery according to claim 4, characterized in that: The inside of the battery shell (11) is provided with a plurality of water-permeable separators (111), the polar plates (121) and the insulating papers (122) are located in each layer composed of the water-permeable separators (111), and the polar ring (123) above each polar plate (121) is connected in series through a conductive column.

6. A monitoring device for electrolyte of a lead-acid battery according to claim 1, characterized in that: The upper portion of the shell cover (13) is provided with a plurality of threaded covers (131) penetrating the top surface of the shell cover (13).