Storage battery internal resistance detection device

By using a rotating disk and waste inlet design, combined with a stepper motor and spring sheet structure, the automatic detection and sorting of battery internal resistance is realized, solving the problems of time-consuming and labor-intensive operation and low automation efficiency in the existing technology, and improving detection efficiency and convenience.

CN223471133UActive Publication Date: 2025-10-24SUZHOU LONG YUAN ELECTRICITY TECH
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Patent Information

Application Number
CN202422456956.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-10-24
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

Existing battery internal resistance testing devices are time-consuming and labor-intensive to operate, have low automation efficiency, and are complex in structure. They also require manual sorting of substandard batteries, which affects work efficiency.

Method used

By adopting a rotating disk and waste inlet design, combined with a stepper motor and spring sheet structure, the battery can be automatically connected and sorted. Automatic detection and sorting are achieved through gravity and elastic potential energy, simplifying the structure and improving efficiency.

Benefits of technology

It enables automatic detection and sorting of battery internal resistance, eliminating manual operation, improving detection efficiency and convenience, simplifying the structure, and avoiding inaccurate detection caused by poor contact.

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Abstract

The utility model discloses an internal resistance detection device for a storage battery. The internal resistance detection device comprises an outer ring seat and a rotating disc, the utility model has the beneficial effects that the rotating disc and the waste material port are adopted, the storage battery is placed between the battery jars and is inclined downwards under the action of gravity, the rotating disc is driven by the stepping motor to rotate anticlockwise, and when the rotating disc passes between the negative elastic sheet and the positive contact sheet, the positive contact sheet is in contact with the positive electrode of the storage battery, and the negative elastic sheet is in contact with and abuts against the negative electrode of the storage battery; the storage battery internal resistance detector can detect the internal resistance of the storage battery, when the internal resistance is qualified, the winch is not triggered, and the storage battery is discharged after rotating to the discharging port, and when the internal resistance is unqualified, the winch is triggered, the pull rope is wound to pull the baffle to be opened, and the storage battery is discharged after rotating to the discharging port. And when the storage battery rotates to be aligned with the waste opening, the storage battery slides out of the waste opening through gravity, so that sorting of the storage battery is completed, the trouble of manual sorting is omitted, and use convenience is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery detection, specifically, a kind of battery internal resistance detection device. BACKGROUND

[0002] For the performance state of the battery, the internal resistance of the battery needs to be tested, so as to ensure the power supply stability of the battery and master the service life of the battery.

[0003] After searching, it is found that the announcement No. CN218496984U, named a kind of battery internal resistance detection device, the application proposes the internal resistance detection mode of battery usually uses battery internal resistance detector, but battery internal resistance detector is mostly hand-held, needs artificial to find the power connection position of battery, it is time-consuming and laborious to operate, therefore, it is not convenient to detect the performance of large quantities of batteries, when the detection terminal of two sides is respectively driven to abut on the positive and negative poles of the battery conveyed on conveying equipment, the internal resistance of the battery is detected, the automatic docking of battery and battery internal resistance detector in this process is further convenient for the performance detection of large quantities of batteries, but, the application needs to be sorted manually by the staff after detection, it is more troublesome, at the same time, the detection terminal needs to be driven by telescopic drive to move and connect detection circuit, the structure is complex, the automation efficiency is low, the telescopic drive needs time to stretch out and draw back, affect work efficiency, it can be further improved.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of battery internal resistance detection device, with the advantages of simple structure, high work efficiency and convenient use, to solve the problems in the above background art.

[0007] (II) technical scheme

[0008] To realize the advantages of simple structure, high work efficiency and convenient use, the utility model adopts the following specific technical scheme:

[0009] The utility model provides a battery internal resistance detection device, including outer ring seat and rotary disc, the inside of outer ring seat is provided with rotary disc, and the bottom surface fixed mounting of rotary disc has bottom ring, and the outer wall fixed mounting of bottom ring has driven gear, the bottom surface fixed mounting of outer ring seat has step motor, and the output end of step motor is installed drive gear, and drive gear is engaged with driven gear, the rotary disc is circular truncated cone type structure, and the surface fixed mounting of rotary disc has battery groove, the center position vertical installation of rotary disc has middle column, and the surface fixed mounting of middle column top side one side has negative pole elastic sheet, and the rear of negative pole elastic sheet is located rotary disc inner wall fixed mounting has positive pole contact piece, the surface of outer ring seat is equipped with waste port, and the outside of waste port is provided with baffle, and baffle one end passes through torsional spring and is connected with the outer wall of outer ring seat, the outer wall fixed mounting of outer ring seat is located baffle one side and is installed with winch, and the output end of winch is installed with pull rope, the outer wall fixed mounting of baffle has pull ring, and pull ring is fixedly connected with the one end of pull rope, the outer wall of outer ring seat is equipped with discharge port on the other side of waste port.

[0010] Further, the battery grooves are arranged at equal angles along the vertical central axis of the rotary disc, and the width of the battery grooves is equal to the outer diameter of the storage battery.

[0011] Further, the negative pole elastic sheet is integrally connected with a contact portion at one end, and is welded with a connecting portion at the other end, and the connecting portion is fixedly connected with the middle column.

[0012] Further, the middle column is coaxially arranged with the rotary disc, and is fixedly connected with the ground.

[0013] Further, the positive pole contact piece and the negative pole elastic sheet are electrically connected with the battery internal resistance detector through an electric connecting wire.

[0014] Further, the angle between the waste port and the positive pole contact piece is equal to the angle of the battery grooves, and the angle of the battery grooves is equal to the step angle of the step motor.

[0015] Further, the bottom surface of the rotary disc is rollingly connected with a ball, and the ball rollingly abuts against the inner bottom surface of the outer ring seat.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the battery internal resistance detection device has the following beneficial effects:

[0018] (1), the utility model discloses a rotary disc and waste material mouth, the battery is placed between the battery groove, and the downward inclination is passed through the gravity effect, and the rotary disc is driven counterclockwise under the stepper motor, when passing between the negative spring piece and the positive contact piece, the positive contact piece contacts the positive pole of battery, and the negative spring piece contacts the negative pole of battery, and the positive contact piece and the negative spring piece are connected with the battery internal resistance detector power respectively, and the battery internal resistance detector can detect the battery internal resistance, when the internal resistance is qualified, the winch does not trigger, and the battery is discharged after rotating to the discharge port, when the internal resistance is unqualified, the winch triggers, and the blocking plate is opened by winding the pull rope, and the battery rotates to align the waste material port and slides out the waste material port through the gravity, to complete the sorting of battery, the trouble of manual sorting is saved, and the convenience of use is improved.

[0019] (2), the utility model discloses a negative spring piece, and the negative spring piece is a metal spring piece, when the battery rotates counterclockwise, the negative pole extrudes the negative spring piece, and the negative spring piece deforms, and the negative spring piece generates elastic potential energy, not only can the negative spring piece be tightly contacted with the negative pole of battery, but also can push the positive pole of battery to be tightly contacted with the positive contact piece, to avoid the inaccuracy of detection caused by poor contact, after detection, with the continuous rotation of battery, the battery is separated from the positive contact piece and the negative spring piece, and the connection can be disconnected, the device is rotated by the fixed angle of the stepper motor, and the operation of automatically connecting the positive contact piece and the negative spring piece is completed, accurate positioning is realized, and automatic detection is completed, so that the structure is simpler, and the working efficiency is higher. ACCURACY

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0021] Figure 1 It is a top structure schematic diagram of the battery internal resistance detection device provided by the utility model,

[0022] Figure 2 It is the A node enlarged view of the battery internal resistance detection device provided by the utility model,

[0023] Figure 3 It is the A-A sectional view of the battery internal resistance detection device provided by the utility model,

[0024] Figure 4 It is the structure schematic diagram of the negative spring piece provided by the utility model.

[0025] In the drawing,

[0026] 1, outer ring seat; 2, rotating disc; 3, battery groove; 4, center column; 5, negative spring piece; 51, contact part; 52, connecting part; 6, positive contact piece; 7, waste port; 8, baffle; 9, discharge port; 10, winch; 11, pull rope; 12, torsion spring; 13, pull ring; 14, bottom ring; 15, stepping motor; 16, driving gear; 17, driven gear; 18, ball. DETAILED DESCRIPTION

[0027] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0028] According to the embodiment of the utility model, a kind of battery internal resistance detection device is provided.

[0029] The utility model is further illustrated by combining with specific embodiment and drawing, such as Figures 1-4As shown, according to the utility model embodiment of a kind of battery internal resistance detection device, including outer ring seat 1 and rotating disc 2, outer ring seat 1 inside is provided with rotating disc 2, and rotating disc 2 bottom surface is fixedly installed with bottom ring 14, and bottom ring 14 outer wall is fixedly installed with driven gear 17, outer ring seat 1 bottom surface is fixedly installed with stepper motor 15, and stepper motor 15 output end is installed with driving gear 16, and driving gear 16 is engaged with driven gear 17, it is common drive structure, rotating disc 2 is circular table type structure, and rotating disc 2 surface is fixedly installed with battery groove 3, rotating disc 2 center position is vertically installed with middle column 4, and middle column 4 top side surface is fixedly installed with negative spring piece 5, and negative spring piece 5 rear is fixedly installed with positive contact piece 6 in rotating disc 2 inner wall, outer ring seat 1 surface is equipped with waste port 7, and waste port 7 outside is provided with baffle 8, and baffle 8 one end is connected with the outer wall of outer ring seat 1 by torsional spring 12, outer ring seat 1 outer wall is fixedly installed with winch 10 in baffle 8 one side, and winch 10 output end is installed with pull rope 11, baffle 8 outer wall is fixedly installed with pull ring 13, and pull ring 13 is fixedly connected with pull rope 11 one end, outer ring seat 1 outer wall is equipped with discharge port 9 in waste port 7 other side, discharge port 9 and waste port 7 size are all greater than the size of battery, battery is placed between battery groove 3, it is inclined downward by gravity, rotating disc 2 is rotated counterclockwise under the driving of stepper motor 15, when passing between negative spring piece 5 and positive contact piece 6, positive contact piece 6 contacts battery positive pole, negative spring piece 5 contacts and abuts battery negative pole, positive contact piece 6 and negative spring piece 5 are respectively electrically connected with battery internal resistance detector, battery internal resistance detector can detect battery internal resistance, when internal resistance is qualified, winch 10 is not triggered, battery rotates to discharge port 9 and is discharged, when internal resistance is unqualified, winch 10 triggers, winding pull rope 11 pulls baffle 8 to open, battery rotates to align waste port 7 and slides out of waste port 7 by gravity, so as to complete the sorting of battery, the trouble of manual sorting is saved, the convenience of use is improved, meanwhile, negative spring piece 5 is metal spring piece, battery is rotated counterclockwise, negative pole extrudes negative spring piece 5, so that negative spring piece 5 deforms, negative spring piece 5 generates elastic potential, not only can abut battery negative pole, but also can push battery positive pole to abut positive contact piece 6, avoid the situation that detection is inaccurate due to poor contact, after detection, with the continuous rotation of battery, battery is separated from positive contact piece 6 and negative spring piece 5, so as to disconnect, the device is rotated by the fixed angle of stepper motor 15, the operation of automatically connecting positive contact piece 6 and negative spring piece 5 is completed, positioning is accurate, automatic detection is completed, the structure is simpler, and the working efficiency is higher.

[0030] In one embodiment, battery groove 3 is arranged with multiple groups along rotating disc 2 vertical central axis at equal angles, and the width of battery groove 3 is equal to the outer diameter of battery, to avoid battery moving randomly, guide battery movement, facilitate battery and positive contact piece 6 and negative spring piece 5 accurate docking.

[0031] In one embodiment, the negative spring piece 5 is integrally connected with the contact part 51 at one end, and the connecting part 52 is welded at the other end of the negative spring piece 5, and the connecting part 52 is fixedly connected with the center column 4, wherein the positive contact piece 6 and the negative spring piece 5 are both electrically connected with the battery internal resistance detector through the electric connecting wire, and the battery internal resistance detector is a common device in the art, which will not be described in detail here.

[0032] In one embodiment, the center column 4 is coaxially arranged with the rotating disc 2, and the center column 4 is fixedly connected with the installation ground, and the center column 4 is made of insulating material to avoid affecting the detection result.

[0033] In one embodiment, the angle between the waste outlet 7 and the positive contact piece 6 is the angle of the battery groove 3, and the angle of the battery groove 3 is the step angle of the stepping motor 15, which is convenient for positioning rotation.

[0034] In one embodiment, the rotating disc 2 is rollingly connected with the ball 18 at the bottom surface, and the ball 18 is rollingly abutted with the inner bottom surface of the outer ring seat 1, thereby improving the stability of the rotating disc 2.

[0035] Working principle:

[0036] The storage battery is placed between the battery grooves 3 and is inclined downward by gravity, and the rotating disc 2 is counterclockwise rotated under the driving of the stepping motor 15, and when passing between the negative spring piece 5 and the positive contact piece 6, the positive contact piece 6 contacts the positive electrode of the storage battery, and the negative spring piece 5 contacts and abuts against the negative electrode of the storage battery, and the positive contact piece 6 and the negative spring piece 5 are respectively electrically connected with the battery internal resistance detector, so that the battery internal resistance detector can detect the internal resistance of the storage battery. When the internal resistance is qualified, the winch 10 is not triggered, and the storage battery is discharged after rotating to the discharge outlet 9. When the internal resistance is unqualified, the winch 10 is triggered, the blocking plate 8 is opened by the winding of the pull rope 11, and the storage battery is discharged through the waste outlet 7 when it is aligned with the waste outlet 7, thereby completing the sorting of the storage battery, saving the trouble of manual sorting, improving the convenience of use, and at the same time, the negative spring piece 5 is a metal spring piece, and when the storage battery is counterclockwise rotated, the negative electrode extrudes the negative spring piece 5, so that the negative spring piece 5 is deformed, and the negative spring piece 5 generates elastic potential energy, which not only abuts against the negative electrode of the storage battery, but also pushes the positive electrode of the storage battery to abut against the positive contact piece 6, thereby avoiding the poor contact leading to inaccurate detection. After the detection is completed, the storage battery is separated from the positive contact piece 6 and the negative spring piece 5 as the storage battery continues to rotate, so that the connection is disconnected. The device completes the automatic connection of the positive contact piece 6 and the negative spring piece 5 through the fixed-angle rotation of the stepping motor 15, and the positioning is accurate, and the automatic detection is completed, so that the structure is simpler and the working efficiency is higher.

[0037] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A storage battery internal resistance detecting device characterized by comprising: The utility model provides a battery groove (3) is fixedly installed on the surface of the rotating disc (2), and the rotating disc (2) is vertically installed with the middle column (4) in the center position, and the negative spring piece (5) is fixedly installed on the top surface of the one side of the middle column (4), and the positive contact piece (6) is fixedly installed to the inner wall behind the negative spring piece (5) in the rotating disc (2), the outer ring seat (1) surface is equipped with the waste port (7), and the waste port (7) outside is provided with the baffle (8), and the baffle (8) one end is connected with the outer wall of outer ring seat (1) through the torsional spring (12), the outer wall of outer ring seat (1) is fixedly installed with the winch (10) on the one side of baffle (8), and the winch (10) output is installed with the pull rope (11), the baffle (8) outer wall is fixedly installed with the pull ring (13), and the pull ring (13) is fixedly connected with the one end of pull rope (11), the outer wall of outer ring seat (1) is equipped with the discharge port (9) on the other side of waste port (7).

2. The battery internal resistance detection device according to claim 1, wherein The battery groove (3) is arranged at equal angles along the vertical central axis of the rotating disc (2), and the width of the battery groove (3) is equal to the outer diameter of the storage battery.

3. The battery internal resistance detection device according to claim 1, wherein The negative spring piece (5) is integrally connected with a contact portion (51) at one end, and a connecting portion (52) is welded at the other end of the negative spring piece (5), and the connecting portion (52) is fixedly connected with the middle column (4).

4. The battery internal resistance detection device according to claim 1, wherein The middle column (4) is coaxially arranged with the rotating disc (2), and the middle column (4) is fixedly connected with the installation ground.

5. The battery internal resistance detecting apparatus according to claim 1, wherein The positive contact piece (6) and the negative spring piece (5) are electrically connected with the storage battery internal resistance detector through an electric connecting wire.

6. The battery internal resistance detection device according to claim 1, wherein The angle between the waste port (7) and the positive contact piece (6) is equal to the angle of the battery groove (3), and the angle of the battery groove (3) is equal to the step angle of the step motor (15).

7. The battery internal resistance detecting apparatus according to claim 1, wherein The bottom surface of the rotating disc (2) is rollingly connected with a ball (18), and the ball (18) rollingly abuts against the inner bottom surface of the outer ring seat (1).

Citation Information

Patent Citations

  • Storage battery internal resistance detection device

    CN218496984U