Granted Patent B2

US 12,399,225 · App. 18/217,611 · Granted Aug 26, 2025

Inventors: Xiyue Wang (Fujian, CN); Longchang Sun (Fujian, CN); Hongpan Han (Fujian, CN); Ling Han (Fujian, CN)

Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

G01R31/389G01R31/3644

Abstract

Claims (42)

1. A battery internal resistance detecting device, comprising:

a first probe configured to electrically connect to a positive electrode of a battery;

a second probe configured to electrically connect to a negative electrode of the battery;

a first base;

a first bracket connected to the first base, the first probe being arranged on the first bracket; and

a second bracket connected to the first base and arranged opposite to the first bracket in a first direction, the second probe being arranged on the second bracket,

wherein at least one of the first bracket and the second bracket is movable in the first direction, so that a distance between the first probe and the second probe is adjustable.

2. The battery internal resistance detecting device according to claim 1 , wherein the first base has a plurality of through holes arranged in the first direction;

the battery internal resistance detecting device further comprises:

a first fixing structure, the first bracket being optionally connected to the plurality of through holes through the first fixing structure; and

a second fixing structure, the second bracket being optionally connected to the plurality of through holes through the second fixing structure.

3. The battery internal resistance detecting device according to claim 2 , wherein the first base is provided with a chute extending in the first direction, and the plurality of through holes are located at the bottom of the chute;

the first bracket is provided with a first protrusion, which is movably fitted in the chute, and through which the first fixing structure optionally is connected to the plurality of through holes; and

the second bracket is provided with a second protrusion, which is movably fitted in the chute, and through which the second fixing structure is optionally connected to the plurality of through holes.

4. The battery internal resistance detecting device according to claim 1 , wherein the battery internal resistance detecting device further comprises:

a frame body; and

an adjuster arranged on the frame body and connected to the first base, so as to adjust a position of the first base relative to the frame body.

5. The battery internal resistance detecting device according to claim 4 , wherein the adjuster comprises:

a second base;

a first guide rail arranged on the second base and extending in a second direction, the second direction being perpendicular to the first direction;

a first slider arranged on the first guide rail and connected to the first base, the first slider being configured to be capable of moving along the first guide rail to adjust a position of the first base in the second direction; and

a first driver configured to drive the first slider to move along the first guide rail.

6. The battery internal resistance detecting device according to claim 5 , wherein the first slider comprises a first part and a second part, the first part is connected to the first guide rail; the first base has a plurality of through holes arranged in the first direction; and

the battery internal resistance detecting device further comprises:

a third fixing structure, the second part being optionally connected to the plurality of through holes through the third fixing structure, so as to adjust a position of the first base in the first direction.

7. The battery internal resistance detecting device according to claim 5 , wherein the adjuster further comprises:

a third base; and

a second guide rail connected to the third base and extending in a third direction, the third direction being perpendicular to the first direction and the second direction, and the second base being movably connected to the second guide rail, so as to adjust a position of the first base in the third direction.

8. The battery internal resistance detecting device according to claim 7 , wherein the adjuster further comprises:

a third guide rail arranged on the frame body and extending in the second direction, the third base being movably connected to the third guide rail.

9. The battery internal resistance detecting device according to claim 4 , wherein the frame body is provided with a channel for the battery to pass through; and

the battery internal resistance detecting device further comprises:

a stopper arranged on the frame body and located in the channel, the stopper configured to stop the battery at a preset position.

10. The battery internal resistance detecting device according to claim 9 , wherein the stopper comprises:

a blocking structure movably arranged on the frame body and having a retracted state and an extended state, the blocking structure being capable of stopping the battery at the preset position in the extended state; and

a second driver arranged on the frame body, the second driver configured to drive the blocking structure to move to switch between the retracted state and the extended state.

11. The battery internal resistance detecting device according to claim 9 , wherein the battery internal resistance detecting device further comprises:

a position detector arranged on the frame body and located in the channel, the position detector configured to detect a position of the battery, and send a first signal when the battery reaches a preset position; and

the stopper is configured to act in response to the first signal to stop the battery.

12. The battery internal resistance detecting device according to claim 1 , wherein the battery internal resistance detecting device further comprises:

a scanner to scan an identification on the battery to read information of the battery.

13. A battery production system, comprising the battery internal resistance detecting device according to claim 1 .

Assignments (2)

Priority Claims (1)

Continuity (2)

References Cited (26)