CN221199883U - Auxiliary testing mechanism for battery - Google Patents

Abstract

The utility model relates to a test auxiliary mechanism of a battery, which comprises a battery space, a conductive assembly and a bracket assembly, wherein the battery space is used for accommodating the battery; the conductive component comprises an anode conductive piece and a cathode conductive piece; the support assembly comprises a first movable support and a second movable support, the support assembly at least has a first working state and a second working state, and in the first working state, the anode conductive piece and the cathode conductive piece are configured to be positioned on the outer side of the top of the battery space along the height direction; and the support assembly is in a second working state, and the anode conductive piece and the cathode conductive piece are configured to be respectively positioned at two ends of the battery space along the length direction. When the battery is tested for electrical performance, the test equipment is connected with the conductive component, and the conductive component abuts against the pole post of the battery, so that the electrical connection between the battery and the test equipment can be conveniently realized without changing the overall appearance of the battery, and the batteries with two structures can be tested.

Description

Auxiliary testing mechanism for battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a test auxiliary mechanism of a battery.

Background

Along with the improvement of energy conservation and emission reduction demands and energy demands of people, lithium ion batteries are widely paid attention to due to the advantages of high working voltage, high energy density, long cycle life, low self-discharge rate and the like. The lithium ion battery is a secondary battery, and the battery generally consists of an electric core and an aluminum shell, and the finished battery needs to be subjected to electrical performance test after assembly, such as charge and discharge test in an incubator and a constant temperature room.

The inventor finds that in order to avoid that the pole column occupies a larger space of the battery pack, the positive pole column and the negative pole column are always designed to have smaller parts protruding out of the aluminum shell, so that when the constant temperature box and the constant temperature room are used for charge and discharge testing, the pole column protrudes out of the aluminum shell, and therefore, a conductive connecting piece electrically connected with testing equipment is required to be welded on the pole column of the testing battery, so that the conductive connecting piece electrically connected with the testing equipment can be electrically connected with the pole column, and therefore, the pole column of the testing battery is welded with the conductive connecting piece electrically connected with the testing equipment, and then the testing battery cannot be assembled with other batteries continuously after testing to form the battery pack, and resource waste is caused.

Therefore, how to test the electrical performance of a battery more conveniently and universally without changing the overall appearance of the battery is a technical problem to be solved in the art.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is how to test the electrical performance of the battery more conveniently, more conveniently and more generally without changing the overall appearance of the battery.

In order to solve the above technical problems, the present utility model provides a test auxiliary mechanism for a battery, including: the conductive component comprises a positive electrode conductive piece and a negative electrode conductive piece; a bracket assembly formed with a battery space therein for accommodating a battery; the battery space is provided with a first end and two second ends, the first end of the battery space corresponds to the top position of the battery along the height direction, and the two second ends of the battery space correspond to the two ends of the battery along the length direction respectively; the bracket assembly includes: the first movable bracket is provided with the positive electrode conductive piece; a second movable bracket provided with the negative electrode conductive member; the first movable bracket and the second movable bracket are configured to have at least two postures respectively, so that the bracket assembly has at least a first working state and a second working state; the support assembly is in a first working state, and the positive electrode conductive piece and the negative electrode conductive piece are configured to be positioned outside the first end of the battery space; and the support assembly is in a second working state, and the positive electrode conductive piece and the negative electrode conductive piece are respectively arranged outside two second ends of the battery space.

Further, the positive electrode conductive piece is provided with a positive electrode connecting end A used for being connected with a positive electrode post of the battery, a positive electrode connecting end B used for being connected with a positive electrode end of the testing equipment, and a positive electrode connecting piece used for connecting the positive electrode connecting end A and the positive electrode connecting end B; the positive electrode connecting end A is flexibly and electrically connected with the positive electrode connecting piece through an elastic piece, or the positive electrode connecting piece is flexibly and electrically arranged on the first movable bracket in an insulating way through the elastic piece; the negative electrode conductive piece is provided with a negative electrode connecting end A used for being connected with a battery negative electrode column, a negative electrode connecting end B used for being connected with a testing device negative electrode end, and a negative electrode connecting piece used for connecting the negative electrode connecting end A and the negative electrode connecting end B; the negative electrode connecting end A is flexibly and electrically connected with the negative electrode connecting piece through an elastic piece, or the negative electrode connecting piece is flexibly and electrically arranged on the second movable support through an elastic piece in an insulating way.

Further, a groove is formed in one surface of the positive electrode conductive piece, which is used for being in contact with the positive electrode post of the battery, and the groove is used for embedding the positive electrode post of the battery to be tested; the negative electrode conductive piece is cone-shaped, and the tip of the negative electrode conductive piece is used for propping against a negative electrode column of the battery.

Further, one end of the positive electrode conductive piece, which is used for being connected with the positive electrode end of the testing equipment, is provided with a positive electrode connecting hole, and one end of the negative electrode conductive piece, which is used for being connected with the negative electrode end of the testing equipment, is provided with a negative electrode connecting hole.

Further, the battery positioning device also comprises a positioning assembly, wherein the positioning assembly is mounted on the bracket assembly and is used for enabling the battery to keep a set position and posture.

Further, the first movable bracket and the second movable bracket are both L-shaped brackets, and the first movable bracket is divided into a bracket part a and a bracket part B with a corner position as a dividing line; the second movable bracket is divided into a bracket part C and a bracket part D with a corner position as a dividing line, each of the bracket part A, the bracket part B, the bracket part C and the bracket part D has a fixed end close to the corner position and a free end far from the corner position, and the first movable bracket and the second movable bracket form a groove-shaped bracket; when the bracket component is in a first working state, the free end of the bracket part A and the free end of the bracket part C are opposite and detachably connected together, the free end of the bracket part B and the free end of the bracket part D face the same direction and face the opposite direction to the first end of the battery space, the groove bottom part of the groove-shaped bracket is positioned at the outer side of the first end of the battery space, and the two groove wall parts of the groove-shaped bracket are respectively positioned at the outer sides of the two second ends of the battery space.

Further, when the bracket assembly is in the second working state, the free end of the bracket part B and the free end of the bracket part D are opposite and detachably connected together, the free end of the bracket part a and the free end of the bracket part C face in the same direction, the free end of the bracket part a and the free end of the bracket part C face in opposite directions with the first end of the battery space, the groove bottom part of the groove-shaped bracket is located outside the first end of the battery space, and the two groove wall parts of the groove-shaped bracket are located outside the two second ends of the battery space respectively.

Further, when the bracket assembly is in the second working state, the free end of the bracket part B and the free end of the bracket part D are opposite and detachably connected together, the free end of the bracket part A and the free end of the bracket part C face the same direction as the first end of the battery space, and the groove bottom part of the groove-shaped bracket is provided with an avoidance part for avoiding the battery space.

Further, the bracket assembly further comprises a fixed bracket, and when the bracket assembly is in the first working state, the free end of the bracket part B and the free end of the bracket part D are detachably connected with the fixed bracket; when the bracket component is in the second working state, the free end of the bracket part B and the free end of the bracket part D are detachably connected with the fixed bracket, or the fixed end of the bracket part B and the fixed end of the bracket part D are detachably connected with the fixed bracket.

Further, the support component is of a frame structure, and the detachable connection mode of the support component is an inserting mode.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

(1) According to the auxiliary testing mechanism for the battery, on one hand, the support component and the conductive component are arranged, the conductive component can prop against the positive pole and the negative pole of the battery, when the electric performance of the battery is tested, the testing equipment is connected with the conductive component, the conductive component props against the pole of the battery, so that the electric connection between the battery and the testing equipment can be conveniently realized without changing the overall appearance of the battery, on the other hand, the support component is arranged to comprise the first movable support and the second movable support, and at least comprises a first working state and a second working state, so that the auxiliary testing mechanism can be suitable for two batteries with the poles positioned at the top of the height direction of the battery and at two sides of the length direction of the battery, and has better universality; the cost of changing the position and orientation of the conductive assembly by deformation of the bracket assembly is lower than providing some driving devices to change the position and orientation of the conductive assembly; compared with the direct change of the position and the posture of the conductive component, the deformation of the bracket component is safer to change the position and the posture of the conductive component and reduces the probability of damaging the conductive component.

(2) According to the auxiliary testing mechanism for the battery, the anode conductive piece and the cathode conductive piece are arranged to be floatable relative to the bracket assembly, so that on one hand, the anode conductive piece and the cathode conductive piece are ensured to reliably abut against the pole of the battery under the action of pretightening force, and on the other hand, some machining errors and installation errors of the conductive assembly or the battery can be absorbed.

(3) The auxiliary testing mechanism for the battery is characterized in that the positive electrode conductive piece is provided with the groove, so that the positive electrode conductive piece can be reliably contacted with the battery, and is equivalent to certain positioning of the battery, and the negative electrode conductive piece is provided with the tip, so that the negative electrode conductive piece can not be contacted with the battery shell, and short circuit is prevented.

(4) According to the auxiliary testing mechanism for the battery, the threading connecting holes are formed in the positive electrode conducting piece and the negative electrode conducting piece, so that the positive electrode conducting piece and the negative electrode conducting piece can be conveniently connected with testing equipment.

(5) According to the auxiliary testing mechanism for the battery, disclosed by the utility model, the battery can be more reliably kept at a set position and a set gesture by arranging the positioning assembly, so that the positive electrode conductive piece and the negative electrode conductive piece can be accurately positioned to abut against the positive electrode post and the negative electrode post of the battery.

(6) According to the auxiliary testing mechanism for the battery, the first movable support and the second movable support are L-shaped supports, and when the support assembly is in the first working state and the second working state, the first movable support and the second movable support can be mutually connected and mutually limited, so that the connection stability of the support assembly is improved.

(7) According to the auxiliary testing mechanism for the battery, the fixed support, the first movable support and the second movable support are arranged, and when the support assembly is in the first working state and the second working state, the first movable support, the second movable support and the fixed support are mutually connected in pairs and mutually limited, so that the connection stability of the support assembly is further improved.

(8) According to the auxiliary testing mechanism for the battery, provided by the utility model, the bracket component is arranged to be of a frame structure, so that the auxiliary testing mechanism is convenient to disassemble and detachably connect, and the cost and weight of the bracket component can be reduced.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a schematic structural view of a test assist mechanism for a battery (bracket assembly in a first operating state) according to the present disclosure;

fig. 2 is a schematic structural view of a positive electrode conductive member according to the present disclosure;

FIG. 3 is a schematic view of a negative electrode conductive member according to the present disclosure;

FIG. 4 is a schematic diagram illustrating the operation of the test assist mechanism of the disclosed battery (with the bracket assembly in a first operating state);

FIG. 5 is a schematic structural view of the test auxiliary mechanism of the battery disclosed in the present utility model (the bracket assembly is in the second operating state);

Fig. 6 is a schematic structural view of the test auxiliary mechanism of the battery disclosed in the utility model (the bracket assembly is in the second working state).

Reference numerals in the specification indicate 11, battery space; 12. a battery;

21. A positive electrode conductive member; 211. a positive electrode connecting end A; 212. a positive electrode connecting end B; 213. a positive electrode connecting member; 214. a groove; 215. a positive electrode connection hole; 22. a negative electrode conductive member; 221. a negative electrode connecting end A; 222. a negative electrode connecting end B; 223. a negative electrode connecting member; 224. a negative electrode connection hole;

31. A first movable bracket; 311. a bracket part A; 312. a bracket part B; 313. a strut E; 32. a second movable bracket; 321. a holder part C; 322. a holder portion D; 323. a strut F; 33. a fixed bracket; 331. a strut G; 332. a strut H; 333. rectangular frame.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

The single battery generally comprises a battery shell, a bare cell and electrolyte; the battery case generally comprises a shell and a cover plate, the shell is generally similar to a cuboid shape, the shell is provided with an opening, the cover plate seals the opening of the shell, the pole is generally arranged on the cover plate, the cover plate can be positioned at the top of the shell along the height direction or positioned at two ends of the shell along the length direction, and the position of the cover plate relative to the shell can be specifically set according to the position of the opening on the shell; in addition, the cover plate can be provided with a liquid injection hole for injecting electrolyte into the battery shell and an explosion-proof valve for pressure relief under certain conditions. The bare cell is arranged in the battery shell; the bare cell is made of a positive pole piece, a negative pole piece and a diaphragm; the diaphragm is arranged between the positive pole piece and the negative pole piece so as to avoid contact short circuit between the positive pole piece and the negative pole piece. In addition, the positive pole piece and the negative pole piece are extended with the lugs of the bare cell, and the lugs of the bare cell are directly connected with the pole column or connected with the pole column through the switching piece.

As shown in fig. 1 to 5, some embodiments of a battery test assisting mechanism are disclosed in the present utility model. The test auxiliary mechanism of the battery comprises: a conductive assembly including a positive conductive member 21 and a negative conductive member 22; a bracket assembly formed with a battery space 11 therein for accommodating a battery 12; the battery space 11 has a first end and two second ends, the first end of the battery space 11 corresponds to the top position of the battery along the height direction, and the two second ends of the battery space 11 correspond to the two ends of the battery along the length direction respectively; the bracket assembly includes: a first movable bracket 31 to which the positive electrode conductive member 21 is attached; a second movable bracket 32 to which the negative electrode conductive member 22 is attached; the first movable bracket 31 and the second movable bracket 32 are configured to have at least two postures respectively, so that the bracket assembly has at least a first working state and a second working state; in the first operating state of the bracket assembly, the positive electrode conductive member 21 and the negative electrode conductive member 22 are configured to be located outside the first end of the battery space 11; in the second operating state of the bracket assembly, the positive electrode conductive member 21 and the negative electrode conductive member 22 are configured to be located outside the two second ends of the battery space 11, respectively.

In the above technical solution, the battery space 11 is a three-dimensional space for placing the battery 12, the battery space 11 is in a cuboid shape, the first ends of the battery space 11 are equivalent to the tops of the battery space 11 along the height direction, and the two second ends of the battery space 11 are equivalent to the two ends of the battery space 11 along the length direction. Both the conductive assembly and the bracket assembly are arranged away from the battery space 11 to avoid affecting the placement of the battery 12. When the bracket assembly is in the first working state, the positive electrode conductive piece 21 and the negative electrode conductive piece 22 are arranged at a certain distance along the length direction of the battery space 11 and are positioned at the outer side of the top end of the battery space 11 along the height direction, and when the bracket assembly is in the second working state, the positive electrode conductive piece 21 and the negative electrode conductive piece 22 are positioned at two ends of the battery space 11 along the length direction.

Before battery testing, the auxiliary mechanism for testing the battery needs to perform the following three steps: and a step of connecting the test equipment, a step of placing the battery, and a step of disposing the bracket assembly. The three procedures are not sequential, and can be completed before battery testing. In the step of configuring the bracket assembly, whether the pole of the battery is at the top or at both ends of the battery is judged first, if the pole of the battery is at the top, the bracket assembly is configured to be in a first working state, and if the pole of the battery is at the end, the bracket assembly is configured to be in a second working state. After the three processes are completed, the positive electrode connecting end A of the positive electrode conductive piece abuts against the positive electrode post of the battery, and the negative electrode connecting end A of the negative electrode conductive piece abuts against the negative electrode post of the battery. At this time, the test equipment is started to test the electrical performance of the battery.

In the above technical solution, on the one hand, by arranging the support component and the conductive component, the conductive component can prop against the positive pole and the negative pole of the battery 12, when the electrical performance test is performed on the battery 12, the test device is connected with the conductive component, and the conductive component props against the pole of the battery 12, so that the electrical connection between the battery 12 and the test device can be conveniently realized without changing the overall appearance of the battery 12, on the other hand, by arranging the support component to include the first movable support 31 and the second movable support 32, the support component has at least a first working state and a second working state, so that the test auxiliary mechanism can be suitable for two batteries with the poles positioned at the top of the height direction of the battery 12 and at both sides of the length direction of the battery 12, and the universality is better; the cost of changing the position and orientation of the conductive assembly by deformation of the bracket assembly is lower than providing some driving devices to change the position and orientation of the conductive assembly; compared with the direct change of the position and the posture of the conductive component, the deformation of the bracket component is safer to change the position and the posture of the conductive component and reduces the probability of damaging the conductive component.

In some examples, the positive electrode conductive member 21 has a positive electrode connection terminal a211 for electrically connecting with a positive electrode post of the battery and a positive electrode connection terminal B212 for electrically connecting with a positive electrode terminal of the test device, and the negative electrode conductive member 22 has a negative electrode connection terminal a221 for electrically connecting with a negative electrode post of the battery and a negative electrode connection terminal B222 for electrically connecting with a negative electrode terminal of the test device; when the bracket assembly is in the first working state, the positive electrode conductive member 21 and the negative electrode conductive member 22 are configured to be located outside the first end of the battery space 11 and respectively close to two second ends of the battery space 11, and the positive electrode connection end a211 and the negative electrode connection end a221 are both oriented towards the battery space 11; when the bracket assembly is in the second operation state, the positive electrode conductive member 21 and the negative electrode conductive member 22 are disposed outside the second ends of the battery space 11, and the positive electrode connection end a211 and the negative electrode connection end a221 are both directed toward the battery space 11.

In some embodiments, the positive electrode conductive member 21 further includes a positive electrode connecting member 213 connected to the positive electrode connecting terminal a211 and the positive electrode connecting terminal B212; wherein the positive electrode connection terminal a211 is flexibly and electrically connected to the positive electrode connection member 213 via an elastic member (not shown); the negative electrode conductive member 22 further includes a negative electrode connection member 223 connected to the negative electrode connection terminal a221 and the negative electrode connection terminal B222; wherein the negative electrode connection terminal a221 is flexibly and electrically connected to the negative electrode connection member 223 through an elastic member (not shown).

In the above technical solution, the flexible connection means that the two flexible connections can change relative positions and keep contact. That is, the positive electrode connection end a211 is adapted to float with respect to the positive electrode post of the battery 12, the positive electrode connection end a211 is abutted against the positive electrode post of the battery 12 before and after the distance between the positive electrode connection end a211 and the positive electrode post of the battery 12 is changed, the negative electrode connection end a221 is adapted to float with respect to the negative electrode post of the battery 12, and the negative electrode connection end a221 is abutted against the negative electrode post of the battery 12 before and after the distance between the negative electrode connection end a221 and the negative electrode post of the battery 12 is changed. In the above technical solution, by setting the positive electrode conductive member 21 and the negative electrode conductive member 22 to be floatable relative to the bracket assembly, on one hand, the positive electrode conductive member 21 and the negative electrode conductive member 22 are ensured to reliably abut against the post of the battery under the action of the pretightening force, and on the other hand, some machining errors and installation errors of the conductive assembly or the battery 12 can be absorbed.

In the embodiment shown in fig. 2 and 3, the positive electrode connecting member 213 and the positive electrode connecting end B212 are integrally formed and have a cylindrical shape, the positive electrode connecting end a211 is in a rod shape, the positive electrode connecting end a211 is non-detachable and is telescopically connected in the cylinder, a spring for driving the positive electrode connecting end a211 to extend out of the cylinder is arranged in the cylinder, the negative electrode connecting member 223 and the negative electrode connecting end B222 are integrally formed and have a cylindrical shape, the negative electrode connecting end a221 is in a rod shape, the negative electrode connecting end a221 is non-detachable and is telescopically connected in the cylinder, and a spring for driving the negative electrode connecting end a221 to extend out of the cylinder is arranged in the cylinder. The elastic telescopic connection mode is in the prior art, and the structure is not repeated here.

In other embodiments, the positive electrode connecting member is flexibly disposed on the first movable bracket through an elastic member. The negative electrode connecting piece is flexibly arranged on the second movable bracket through an elastic piece. Preferably, the positive electrode connecting member is flexibly and insulatively arranged on the first movable bracket through an elastic member. The negative electrode connecting piece is flexibly and insulatively arranged on the second movable support through the elastic piece, so that the positive electrode connecting piece and the negative electrode connecting piece can be prevented from being electrically connected.

In some embodiments, a groove 214 is formed on a surface of the positive electrode connecting end a211, which is used for contacting with a positive electrode post of the battery, the groove 214 is used for embedding the positive electrode post of the battery, and a notch surface of the groove 214 can abut against a housing of the battery; the negative electrode connection end A221 is tapered, and the tip of the negative electrode connection end A221 is used for abutting against a negative electrode column of the battery.

In the above technical solution, the surface of the positive electrode connecting end a211 facing the positive electrode post of the battery 12 is a positive electrode contact surface, the notch of the groove 214 penetrates through the positive electrode contact surface, and the positive electrode contact surface surrounding the notch of the groove 214 is the notch surface of the groove 214. In the art, the positive electrode of the battery 12 is mounted in the through hole of the resistor, and the positive electrode protrudes out of the through hole orifice of the resistor, the resistor is mounted in the through hole of the battery case, and the resistor protrudes out of the through hole orifice of the battery case, and the battery case is positively charged and is positively charged with corrosion-preventing treatment. In order to prevent short circuit, the negative pole post is connected with the battery shell through plastic parts in an insulating way, the negative pole post is arranged in a through hole of the plastic parts, the negative pole post protrudes out of a through hole orifice of the plastic parts, the plastic parts are arranged in the through hole of the battery shell, and the plastic parts protrude out of the through hole orifice of the battery shell. Therefore, the positive electrode post of the battery is electrically connected to the battery case, and the negative electrode post of the battery is electrically connected to the battery case. In this case, the positive electrode conductive member 21 may be in contact with either the positive electrode post or the battery case of the battery 12, while the negative electrode conductive member 22 may be in contact with only the negative electrode post of the battery 12, and the negative electrode conductive member 22 may not be in contact with the battery case. In the above technical solution, the positive electrode conductive member 21 is provided with the groove 214, so that reliable contact with the battery 12 can be ensured, and the battery 12 is positioned to a certain extent, and the negative electrode conductive member 22 is provided with the tip, so that the negative electrode conductive member 22 is prevented from contacting the battery case, and short circuit is prevented.

In other embodiments, the positive electrode connection terminal a may be planar. The negative electrode connection terminal a may be planar.

In some embodiments, the positive electrode connection terminal B212 is provided with a positive electrode connection hole 215, and the negative electrode connection terminal B222 is provided with a negative electrode connection hole 224.

In the above technical solution, the positive electrode connection hole 215 and the negative electrode connection hole 224 are through holes, the positive electrode connection hole 215 penetrates the positive electrode connection end B212 along the thickness direction of the positive electrode connection end B212, and the negative electrode connection hole 224 penetrates the negative electrode connection end B222 along the thickness direction of the negative electrode connection end B222. The positive electrode connection hole 215 and the negative electrode connection hole 224 may be used for connection, or may be used for connection with an electrical clamp. In the above technical solution, through holes are provided on the positive electrode conductive member 21 and the negative electrode conductive member 22, so that the positive electrode conductive member 21 and the negative electrode conductive member 22 are convenient to be connected with the testing device.

In other embodiments, positive connection terminal B and negative connection terminal B may also be provided with protrusions or hooks for connection with the test device.

In some embodiments, the battery holder further comprises a positioning assembly (not shown) mounted on the bracket assembly, the positioning assembly being used for maintaining the set position and posture of the battery. The positioning assembly is used for mechanically positioning the battery 12, and most commonly clamping the battery 12 to keep the battery 12 in a set position and posture, so as to be able to correspond to the positions of the positive electrode conductive member 21 and the negative electrode conductive member 22. In the above technical scheme, by arranging the positioning assembly, the battery 12 can be more reliably kept at the set position and posture, and the positive electrode conductive piece 21 and the negative electrode conductive piece 22 can be accurately positioned to prop against the positive electrode column and the negative electrode column of the battery 12.

In other embodiments, the positioning assembly described above is not provided. The battery is placed directly in a set position and its own weight keeps it stationary in one position.

In some embodiments, the first movable bracket 31 is an L-shaped bracket, which is divided into a bracket portion a311 and a bracket portion B312 along a corner position; the second movable bracket 32 is an L-shaped bracket which is divided into a bracket portion C321 and a bracket portion D322 along a corner position, each of the bracket portion a311, the bracket portion B312, the bracket portion C321, and the bracket portion D322 having a fixed end near the corner position and a free end far from the corner position, the first movable bracket 31 and the second movable bracket 32 constituting a groove-shaped bracket;

When the bracket assembly is in the first working state, the free end of the bracket portion a311 and the free end of the bracket portion C321 are opposite and detachably connected together, the bracket portion B312 and the bracket portion D322 face in the same direction and face in opposite directions to the first end of the battery space 11, the groove bottom portion of the groove-shaped bracket is located outside the first end of the battery space 11, and the two groove wall portions of the groove-shaped bracket are located outside the two second ends of the battery space 11.

In the above technical scheme, the L-shaped bracket is an overall L-shaped appearance, the groove-shaped bracket is an overall concave-shaped appearance, in the above technical scheme, the first movable bracket 31 and the second movable bracket 32 are L-shaped brackets, and when the bracket component is in the first working state and the second working state, the first movable bracket 31 and the second movable bracket 32 can be mutually connected and mutually limited, so that the connection stability of the bracket component is improved.

In some embodiments, when the bracket assembly is in the second operating state, the free end of the bracket portion B312 and the free end of the bracket portion D322 are opposite and detachably connected together, the free end of the bracket portion a311 and the free end of the bracket portion C321 face in the same direction, and face in the same direction as the first end of the battery space 11, the groove bottom portion of the groove-shaped bracket is provided with a avoiding portion for avoiding the battery space 11, and the two groove wall portions of the groove-shaped bracket are respectively located outside the two second ends of the battery space 11.

In some embodiments, the bracket assembly further includes a fixing bracket 33, and the free end of the bracket portion B312 and the free end of the bracket portion D322 are detachably connected to the fixing bracket 33 when the bracket assembly is in the first operation state; when the bracket assembly is in the second working state, the free end of the bracket portion B312 and the free end of the bracket portion D322 are detachably connected to the fixing bracket 33.

In the above technical scheme, through setting up the fixed bolster, first movable support and second movable support, when the bracket component is in first operating condition and second operating condition, first movable support, second movable support and two liang interconnect and mutual spacing of fixed bolster, further improve the connection firm degree of bracket component.

In other embodiments, the fixed end of the bracket B and the fixed end of the bracket D are detachably connected to the fixed bracket when the bracket assembly is in the second operating state.

In some embodiments, the bracket assembly is a frame structure, and the detachable connection mode of the bracket assembly is a plugging mode. Among the above-mentioned technical scheme, through setting up the bracket component into frame construction, be convenient for disassemble and detachable connection, and can reduce bracket component's cost and weight.

In the specific embodiment shown in fig. 1 to 5, the bracket portion a311 includes two struts a parallel to each other, the bracket portion B312 includes two struts B parallel to each other, the bracket portion C321 includes two struts C parallel to each other, and the bracket portion D322 includes two struts D parallel to each other;

A supporting rod E313 is arranged at the corner of the first movable bracket, and a supporting rod F323 is arranged at the corner of the second movable bracket;

The two struts a, B, C and D each have a first end and a second end at both ends in the longitudinal direction.

The first ends of the two struts a are respectively connected to two ends of the strut E313, the first ends of the two struts B are respectively connected to two ends of the strut E313, and the struts a, B and E313 are perpendicular to each other. The first ends of the two struts a are fixed ends of the bracket portion a311, the first ends of the two struts B are fixed ends of the bracket portion B312, the second ends of the two struts a are free ends of the bracket portion a311, and the second ends of the two struts B are free ends of the bracket portion B312.

The first ends of the two struts C are respectively connected to two ends of the strut F323, the first ends of the two struts D are respectively connected to two ends of the strut F323, and the struts C, D, and F323 are perpendicular to each other. The first ends of the two struts C are fixed ends of the bracket portion C321, the first ends of the two struts D are fixed ends of the bracket portion D322, the second ends of the two struts C are free ends of the bracket portion C, and the second ends of the two struts D are free ends of the bracket portion D322.

The fixing bracket 33 includes two struts G331, two struts H332, and a rectangular frame 333, the struts G331 and the struts H332 are parallel to the height direction of the battery space 11, the two struts G331 are located at one end of the battery space 11 along the length direction and are arranged at a distance along the width direction of the battery space 11, the two struts H332 are located at one end of the battery space 11 along the length direction and are arranged at a distance along the width direction of the battery space 11, each of the struts G331 and the struts H332 has a first end and a second end along the length direction, the first ends of the struts G331 and the first ends of the struts H332 face opposite to the first ends of the battery space 11 and are connected to the four corners of the rectangular frame 333, and the second ends of the struts G331 and the second ends of the struts H332 face the same as the first ends of the battery space 11.

In the first working state, the two struts a and the two struts C extend along the length direction of the battery space, the second ends of the two struts a and the second ends of the two struts C are opposite and detachably connected respectively, the two struts B and the two struts D extend along the height direction of the battery space, the second ends of the two struts B and the second ends of the two struts G331 are opposite and detachably connected, and the second ends of the two struts D and the second ends of the two struts H332 are opposite and detachably connected;

In the second working state, the two struts B and the two struts D extend along the length direction of the battery space, the second ends of the two struts B and the second ends of the two struts D are opposite and detachably connected respectively, the two struts a and the two struts C extend along the height direction of the battery space, the first ends of the two struts a and the second ends of the two struts G331 are opposite and detachably connected, and the first ends of the two struts C and the second ends of the two struts H332 are opposite and detachably connected.

In other embodiments, referring to fig. 6, when the bracket assembly is in the second operating state, the free end of the bracket portion B312 and the free end of the bracket portion D322 are opposite to each other and detachably connected together, the free end of the bracket portion a311 and the free end of the bracket portion C321 face in the same direction and face in opposite directions to the first end of the battery space 11, the groove bottom portion of the groove-shaped bracket is located outside the first end of the battery space 11, and the groove wall portions of the groove-shaped bracket are located outside the second ends of the battery space 11. That is, the two poles B and the two poles D extend in the longitudinal direction of the battery space, the second ends of the two poles B are opposite to and detachably connected with the second ends of the two poles D, the two poles a and the two poles C extend in the height direction of the battery space, the second ends of the two poles a are opposite to and detachably connected with the second ends of the two poles H332, and the second ends of the two poles C are opposite to and detachably connected with the second ends of the two poles G331.

In other embodiments, the first movable bracket and the second movable bracket are not connected and are each independently provided.

In other embodiments, in order to improve the compatibility of the bracket assembly, the positive electrode conductive member and the negative electrode conductive member can be matched with the post position of the battery, for example, the first movable bracket and the second movable bracket are provided with long grooves, the positive electrode conductive member and the negative electrode conductive member are connected in the long grooves and can be adjusted in the length direction and the groove depth direction of the long grooves, when the bracket assembly is in the first working state, the length direction of the long grooves is consistent with the length direction of the battery space, and when the bracket assembly is in the second working state, the length direction of the long grooves is consistent with the height direction of the battery space, so that the positions of the positive electrode conductive member and the negative electrode conductive member are adjusted.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A test assist mechanism for a battery, comprising:

The conductive component comprises a positive electrode conductive piece and a negative electrode conductive piece;

A bracket assembly formed with a battery space therein for accommodating a battery; the battery space is provided with a first end and two second ends, the first end of the battery space corresponds to the top position of the battery along the height direction, and the two second ends of the battery space correspond to the two ends of the battery along the length direction respectively;

The bracket assembly includes: the first movable bracket is provided with the positive electrode conductive piece; a second movable bracket provided with the negative electrode conductive member; the first movable bracket and the second movable bracket are configured to have at least two postures respectively, so that the bracket assembly has at least a first working state and a second working state; the support assembly is in a first working state, and the positive electrode conductive piece and the negative electrode conductive piece are configured to be positioned outside the first end of the battery space; and the support assembly is in a second working state, and the positive electrode conductive piece and the negative electrode conductive piece are respectively arranged outside two second ends of the battery space.

2. The battery test assist mechanism of claim 1, wherein,

The positive electrode conductive piece is provided with a positive electrode connecting end A used for being connected with a positive electrode post of the battery, a positive electrode connecting end B used for being connected with a positive electrode end of the testing equipment and a positive electrode connecting piece used for connecting the positive electrode connecting end A and the positive electrode connecting end B; the positive electrode connecting end A is flexibly and electrically connected with the positive electrode connecting piece through an elastic piece, or the positive electrode connecting piece is flexibly and electrically arranged on the first movable bracket in an insulating way through the elastic piece;

the negative electrode conductive piece is provided with a negative electrode connecting end A used for being connected with a battery negative electrode column, a negative electrode connecting end B used for being connected with a testing device negative electrode end, and a negative electrode connecting piece used for connecting the negative electrode connecting end A and the negative electrode connecting end B; the negative electrode connecting end A is flexibly and electrically connected with the negative electrode connecting piece through an elastic piece, or the negative electrode connecting piece is flexibly and electrically arranged on the second movable support through an elastic piece in an insulating way.

3. The auxiliary testing mechanism of a battery according to claim 1, wherein a groove is formed in one surface of the positive electrode conductive member, which is used for being in contact with a positive electrode post of the battery, and the groove is used for embedding the positive electrode post of the battery to be tested;

the negative electrode conductive piece is cone-shaped, and the tip of the negative electrode conductive piece is used for propping against a negative electrode column of the battery.

4. A test auxiliary mechanism for a battery according to any one of claims 1 to 3, wherein the positive electrode conductive member is provided with a positive electrode connection hole at one end for connection with a positive electrode end of the test device, and the negative electrode conductive member is provided with a negative electrode connection hole at one end for connection with a negative electrode end of the test device.

5. A battery testing aid according to any one of claims 1 to 3, further comprising a positioning assembly mounted to the bracket assembly for maintaining the battery in a set position and attitude.

6. A test auxiliary mechanism for a battery according to any one of claims 1 to 3, wherein the first movable bracket and the second movable bracket are each an L-shaped bracket, the first movable bracket being divided into a bracket portion a and a bracket portion B with a corner position as a dividing line; the second movable bracket is divided into a bracket part C and a bracket part D with a corner position as a dividing line, each of the bracket part A, the bracket part B, the bracket part C and the bracket part D has a fixed end close to the corner position and a free end far from the corner position, and the first movable bracket and the second movable bracket form a groove-shaped bracket;

When the bracket component is in a first working state, the free end of the bracket part A and the free end of the bracket part C are opposite and detachably connected together, the free end of the bracket part B and the free end of the bracket part D face the same direction and face the opposite direction to the first end of the battery space, the groove bottom part of the groove-shaped bracket is positioned at the outer side of the first end of the battery space, and the two groove wall parts of the groove-shaped bracket are respectively positioned at the outer sides of the two second ends of the battery space.

7. The battery testing auxiliary mechanism according to claim 6, wherein when the bracket assembly is in the second working state, the free ends of the bracket portion B and the bracket portion D are opposite and detachably connected together, the free ends of the bracket portion a and the bracket portion C face in the same direction, the free ends of the bracket portion a and the bracket portion C face in opposite directions to the first end of the battery space, the groove bottom portion of the groove-shaped bracket is located outside the first end of the battery space, and the groove wall portions of the groove-shaped bracket are located outside the second ends of the battery space, respectively.

8. The battery testing auxiliary mechanism according to claim 6, wherein when the bracket assembly is in the second working state, the free ends of the bracket part B and the bracket part D are opposite and detachably connected together, the free ends of the bracket part a and the bracket part C face in the same direction as the first end of the battery space, and the groove bottom part of the groove-shaped bracket is provided with a avoiding part for avoiding the battery space.

9. The battery testing assist mechanism of claim 6 wherein the bracket assembly further comprises a fixed bracket, the free end of the bracket portion B and the free end of the bracket portion D being detachably connected to the fixed bracket when the bracket assembly is in the first operating state; when the bracket component is in the second working state, the free end of the bracket part B and the free end of the bracket part D are detachably connected with the fixed bracket, or the fixed end of the bracket part B and the fixed end of the bracket part D are detachably connected with the fixed bracket.

10. A battery testing aid according to any one of claims 1 to 3, wherein the bracket assembly is of a frame structure, and the detachable connection of the bracket assembly is of a plugging type.