CN221303400U - Test probe integrated mechanism and battery test device - Google Patents

Abstract

The application relates to the field of battery testing, and solves or alleviates the problem of low testing efficiency in battery monomer testing. The application provides a test probe integrated mechanism and a battery test device, wherein the test probe integrated mechanism comprises: a base; the driving piece is arranged on the base; the probe row, the probe row includes a plurality of probes that test type is different, probe row slidable connects the base, the driving piece is connected the probe row and be used for the drive the probe row is in the back slip is in on the base and is moved with keeping away from in order to be close to the connecting terminal and remove connecting terminal, the probe row includes mounting and clamping assembly, and the mounting is connected to the driving piece, and clamping assembly establishes on the mounting, and clamping assembly centre gripping probe. In the test probe integration mechanism, the probe row comprises a plurality of probes with different test types, and a plurality of different test types can be met, so that the test efficiency can be improved to a certain extent.

Description

Test probe integrated mechanism and battery test device

Technical Field

The application relates to the field of battery testing, in particular to a test probe integrated mechanism and a battery testing device.

Background

The battery cells need to be tested before shipping to determine if the battery cells meet relevant performance requirements. In testing the battery cells, the battery cells are tested in a variety of types including, but not limited to, voltage, internal resistance, temperature, and current tests. The battery testing device of the related art has low testing efficiency, and affects the productivity of the battery cells.

Disclosure of utility model

In view of the above problems, the present application provides a test probe integration mechanism and a battery test device, which can solve or alleviate the problem of low test efficiency during testing of battery cells.

In a first aspect, the present application provides a test probe integration mechanism comprising:

A base;

The driving piece is arranged on the base;

The probe row, the probe row includes a plurality of probes that test type is different, probe row slidable connects the base, the driving piece is connected the probe row and is used for the drive the probe row is in back on the base slides in order to be close to the connecting terminal and remove with keeping away from connecting terminal removes, the probe row includes mounting and clamping assembly, the driving piece is connected the mounting, the clamping assembly is established on the mounting, the clamping assembly centre gripping probe.

Among the above-mentioned test probe integrated mechanical system, the probe row includes a plurality of probes that test type is different, can satisfy a plurality of different test types to can promote test efficiency to a certain extent, the driving piece can drive the probe row and make a round trip to slide on the base in order to satisfy the test demand, and the centre gripping subassembly can carry out comparatively stable installation to the probe, installs the probe through the mode of centre gripping moreover, is favorable to the assembly of probe.

In some embodiments, the plurality of probes are arranged in at least two rows of probes along a first direction, the plurality of probes of each row of probes being spaced apart along a second direction, the rows of probes being slidable along a third direction, the first direction, the second direction, and the third direction being perpendicular to each other.

The probes are arranged along the first direction and the second direction, so that the arrangement of the probes is regular, and the number and the arrangement number of the probes can be conveniently adjusted according to the requirement.

In some embodiments, the clamping assembly comprises a first clamping member and a second clamping member which are arranged in opposite directions, a first groove is formed in the surface of the first clamping member, a second groove is formed in the surface of the second clamping member, which faces the first clamping member, the probe row comprises a mounting portion, the probes movably penetrate through the mounting portion, and the mounting portion is clamped in the first groove and the second groove.

When the clamping assembly is used for installing the probe, the installation part can be placed in the first groove or the second groove, then the first clamping piece and the second clamping piece are assembled together, the two clamping pieces clamp the installation part in the first groove and the second groove, and then the probe can be inserted into the installation part along a third direction (such as a front-to-back direction) so as to penetrate the installation part. Therefore, the assembly efficiency of the probe is improved.

In some embodiments, the fixing member is provided with a holding groove and a first through hole, the first through hole penetrates through the bottom surface of the holding groove, the clamping component is held in the holding groove, and the probe penetrates through the first through hole.

The holding groove can limit the clamping assembly, so that on one hand, the efficiency of the clamping assembly assembled on the fixing piece is improved; on the other hand, the clamping assembly is also facilitated to be fixed. The first through hole can provide the space that the probe was worn to establish, makes the wire can conveniently follow the mounting rear connection probe to derive data signal.

In some embodiments, the probe row includes two snap rings, the two snap rings are respectively disposed at two ends of the mounting portion, and the two snap rings respectively abut against two surfaces of the first clamping member opposite to each other along the third direction and respectively abut against two surfaces of the second clamping member opposite to each other along the third direction.

The two clamping rings can limit the mounting part in the third direction, so that the situation that the mounting part moves away from the connecting terminal (such as backward) when the driving piece drives the probe to be connected with the port of the connecting terminal is avoided to a certain extent, and one or more probes cannot be connected with the port of the connecting terminal.

In some embodiments, the probe includes a connection portion and a contact portion, the connection portion is connected to the contact portion, the connection portion is arranged through the mounting portion, the probe row includes a first elastic member, and the first elastic member is sleeved on the connection portion and abuts between the contact portion and the mounting portion.

The first elastic piece can buffer the probe when the probe is connected with the port of the connecting terminal, damage to the probe caused by impact can be reduced to a certain extent, and the first elastic piece can provide force for the probe to press the port direction of the connecting terminal, so that the connection between the probe and the connecting terminal is more reliable.

In some embodiments, the probe row includes two electrode contacts that are spaced apart from the probes.

During testing, one electrode contact is connected with the positive electrode port of the connecting terminal, and the other electrode contact is connected with the negative electrode port of the connecting terminal, so that the two electrode contacts are respectively electrically connected with the positive electrode column and the negative electrode column of the battery cell to be tested. The battery testing device can charge and discharge the battery monomer to be tested through the two electrode contacts, so that the actual operation condition of the battery monomer is simulated.

In some embodiments, the probe row includes a second elastic member and a fixing member, a third groove and a second through hole are formed in the fixing member, the second through hole penetrates through the bottom surface of the third groove, the second elastic member is sleeved on the electrode contact member, the second elastic member abuts against between the electrode contact member and the bottom surface of the third groove, and the electrode contact member penetrates through the second through hole.

The second elastic piece can buffer the electrode contact piece when the electrode contact piece is connected with the positive electrode port and the negative electrode port of the connecting terminal, damage caused by collision to the electrode contact piece can be reduced to a certain extent, and the second elastic piece can provide force for the electrode contact piece to press the direction of the port of the connecting terminal, so that the connection between the electrode contact piece and the connecting terminal is more reliable.

The third groove can limit the second elastic piece, so that the buffer effect of the second elastic piece is prevented from being influenced by the displacement of the second elastic piece to a certain extent.

In some embodiments, the test probe integration mechanism comprises a sliding assembly comprising a sliding rail and a sliding block, the sliding rail is arranged on the base, the sliding block is arranged on the probe row, and the sliding block is slidably connected with the sliding rail.

When the driving piece drives the probe row to move, the sliding block can slide on the sliding rail, so that the movement of the probe row can be guided, and the probe row can move more stably and has stronger directivity.

In some embodiments, the sliding rail is provided with a sliding groove, the sliding rail comprises two opposite side surfaces surrounding the sliding groove, a fourth groove is formed in each side surface along the length direction of the sliding rail, the sliding assembly comprises a guide strip, the guide strip is partially accommodated in the fourth groove, the sliding block is provided with a matching block, the matching block is located in the sliding groove, and the matching block is slidably connected with the guide strip.

The cooperation piece is connected with the guide bar slidable, is favorable to promoting the slip smoothness between slider and the slide rail, promotes test efficiency to a certain extent.

In a second aspect, the present application provides a battery testing device comprising the test probe integration mechanism of any one of the embodiments described above.

Among the above-mentioned battery testing arrangement, the probe row includes a plurality of probes that test type is different, can satisfy a plurality of different test types to can promote test efficiency to a certain extent, the driving piece can drive the probe row and make a round trip to slide on the base in order to satisfy the test demand.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the application;

Fig. 2 is an exploded view of a battery according to some embodiments of the present application;

FIG. 3 is a schematic perspective view of a test probe integration mechanism according to some embodiments of the application;

FIG. 4 is a schematic diagram of an exploded view of a test probe integration mechanism according to some embodiments of the application;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

FIG. 6 is an enlarged schematic view of portion B of FIG. 4;

FIG. 7 is a right side view of a test probe integration mechanism according to some embodiments of the application;

FIG. 8 is a top view of a test probe integration mechanism according to some embodiments of the application;

FIG. 9 is a front view of a test probe integration mechanism according to some embodiments of the application;

FIG. 10 is a schematic diagram of a port distribution of a connection terminal according to some embodiments of the present application;

fig. 11 is a test flow chart of a battery test apparatus according to some embodiments of the application.

Reference numerals in the specific embodiments are as follows:

A vehicle 1000;

Battery 100, case 10, first portion 11, second portion 12, battery cell 20;

A controller 200;

a motor 300;

Test probe integration mechanism 400;

a base 40, a first base 41, a second base 42, a bolt 43;

A driving member 50;

The probe row 60, the probe 61, the connection part 611, the contact part 612, the clamping assembly 63, the first clamping piece 631, the second clamping piece 632, the first groove 633, the second groove 634, the fixing piece 62, the accommodating groove 621, the first through hole 622, the mounting through hole 623, the screw hole 624, the third groove 625, the second through hole 626, the mounting part 64, the snap ring 65, the first elastic piece 66, the electrode contact 67, the second elastic piece 68;

A support plate 70, a connection member 71;

The sliding assembly 80, the sliding rail 81, the sliding block 82, the sliding groove 83, the fourth groove 84, the guide bar 85, the matching block 86 and the connecting block 87;

Connection terminal 500, auto-calibration port 501, network cable port 502, positive electrode port 503, negative electrode port 504.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

The battery cells need to be tested before shipping to determine if the battery cells meet relevant performance requirements. In testing the battery cells, the battery cells are tested in a variety of types including, but not limited to, voltage, internal resistance, temperature, and current tests. The battery testing device of the related art has low testing efficiency, and affects the productivity of the battery cells.

Based on the above considerations, in order to solve or alleviate the problem of low testing efficiency in testing battery cells, the present application provides a test probe integration mechanism, which includes: a base; the driving piece is arranged on the base; the probe row comprises a plurality of probes with different test types, the probe row is slidably connected with the base, and the driving piece is connected with the probe row and used for driving the probe row to slide back on the base so as to move close to the connecting terminal and move away from the connecting terminal.

In such test probe integrated mechanism, the probe row includes a plurality of probes that test type is different, can satisfy a plurality of different test types to can promote test efficiency to a certain extent, the driving piece can drive the probe row and make a round trip to slide on the base in order to satisfy the test demand.

The test probe integrated mechanism disclosed by the embodiment of the application can be applied to a battery test device, a battery monomer can be applied to a battery, and the battery can be applied to an electric device used as a power supply or various energy storage systems using the battery as an energy storage element. The power device may be, but is not limited to, a cell phone, tablet, notebook computer, electric toy, electric tool, battery car, electric car, ship, spacecraft, etc. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a battery cell 20, and the battery cell 20 is accommodated in the case 10. The case 10 is used to provide an accommodating space for the battery cell 20, and the case 10 may have various structures. In some embodiments, the case 10 may include a first portion 11 and a second portion 12, the first portion 11 and the second portion 12 being overlapped with each other, the first portion 11 and the second portion 12 together defining an accommodating space for accommodating the battery cell 20. The second portion 12 may be a hollow structure with one end opened, the first portion 11 may be a plate-shaped structure, and the first portion 11 covers the opening side of the second portion 12, so that the first portion 11 and the second portion 12 together define a containing space; the first portion 11 and the second portion 12 may be hollow structures each having an opening at one side, and the opening side of the first portion 11 is engaged with the opening side of the second portion 12. Of course, the case 10 formed by the first portion 11 and the second portion 12 may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

In the battery 100, the plurality of battery cells 20 may be connected in series, parallel or a series-parallel connection, wherein the series-parallel connection refers to that the plurality of battery cells 20 are connected in series or parallel. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 20 is accommodated in the box 10; of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in the case 10. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Wherein each battery cell 20 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc.

Referring to fig. 3 to 10, a test probe integration mechanism 400 is provided according to some embodiments of the present application. Test probe integration mechanism 400 includes base 40, driver 50, and probe row 60. The driving member 50 is provided on the base 40. The probe row 60 includes a plurality of probes 61 of different test types, the probe row 60 is slidably connected to the base 40, and the driving member 50 is connected to the probe row 60 and is used to drive the probe row 60 to slide back on the base 40 to move toward the connection terminal 500 and to move away from the connection terminal 500.

Specifically, the connection terminal 500 may be disposed between the battery cell 20 to be measured and the probe row 60, and the battery cell 20 to be measured may be clamped by a clamp and placed on a tray. One end of the connection terminal 500 is connected with the sensor, the positive electrode column and the negative electrode column on the battery cell 20 to be measured, the other end of the connection terminal 500 is connected with the probe 61, and the probe 61 is electrically connected with the sensor, the positive electrode column and the negative electrode column of the battery cell 20 to be measured through the connection terminal 500. The sensors include, but are not limited to, pressure sensors, temperature sensors, and the like. The pressure sensor can be used for detecting the pressure of the battery cell 20 to be detected when being charged, and further can determine the expansion rate of the battery cell 20 to be detected when being charged. The temperature sensor is used to detect the temperature of the battery cell 20 to be measured (at the time of charge and discharge).

The test types include, but are not limited to, at least two of test temperature, test voltage, test pressure, and the like. The connection terminal 500 shown in fig. 10 includes a temperature positive port, a temperature negative port, a voltage positive port, a pressure blue port, a pressure yellow port, a pressure white port, a pressure red port, and 8 ports in total. Correspondingly, the probe row 60 may include 8 probes 61, which are respectively connected to the temperature positive port, the temperature negative port, the voltage positive port, the pressure blue port, the pressure yellow port, the pressure white port, and the pressure red port in a one-to-one correspondence manner, and the other end of each probe 61 may be connected to the test system to transmit temperature data, pressure data, and voltage data to the test system.

Alternatively, the base 40 includes a first base 41 and a second base 42, and the driving member 50 is fixed to the first base 41, for example, the driving member 50 may be locked to the first base 41 by bolts 43. The probe row 60 is slidably coupled to the second base 42.

The driving member 50 may be coupled to the probe row 60 to provide motive force for movement of the probe row 60. When data is collected, the driving member 50 can drive the probe row 60 of the driving member 50 to slide toward the connection terminal 500, so that the probe 61 is connected to the port corresponding to the connection terminal 500. After the data collection is completed, the driving member 50 can drive the probe row 60 to slide away from the connection terminal 500, so that the probe 61 is separated from the port corresponding to the connection terminal 500.

The material and shape of the probe 61 are not particularly limited in the present application. Alternatively, the shape of the probe 61 is adapted to the shape of the port of the connection terminal 500. In the drawing, the probe 61 is substantially cylindrical in shape. Alternatively, the probe 61 may be made of metal.

In the above-mentioned test probe integrated mechanism 400, the probe row 60 includes a plurality of probes 61 with different test types, so as to satisfy a plurality of different test types, thereby improving the test efficiency to a certain extent, and the driving member 50 can drive the probe row 60 to slide back and forth on the base 40 to satisfy the test requirements. When the driving member 50 drives the probe row 60 to move towards the connection terminal 500, the driving member 50 can provide a certain pressure for the probe row 60, so that the probe 61 can be well electrically connected with the connection terminal 500, and the phenomenon of poor contact between the probe 61 and the connection terminal 500 is avoided under a certain guarantee.

According to some embodiments of the present application, optionally, the plurality of probes 61 are arranged in at least two rows of probes 61 along a first direction, the plurality of probes 61 of each row of probes 61 are spaced apart along a second direction, the probe row 60 is capable of sliding along a third direction, and the first direction, the second direction, and the third direction are perpendicular to each other.

Specifically, in fig. 3 and 4, the first direction is the up-down direction, the second direction is the left-right direction, and the third direction is the front-back direction. It will be appreciated that in other embodiments, the first direction, the second direction, and the third direction may be other directions, and the present application is not limited in particular.

Alternatively, in fig. 3, the plurality of probes 61 are arranged in two rows of probes 61 in the up-down direction, the length direction of the probes 61 is in the front-back direction, the upper row of probes 61 has 11 probes 61, and the 11 probes 61 of the upper row of probes 61 are arranged at intervals in the left-right direction. The lower row of probes 61 has 8 probes 61, and the 8 probes 61 of the lower row of probes 61 are arranged at intervals in the left-right direction. The lower row of probes 61 can be used to collect temperature, pressure and voltage data of the battery cells 20 to be measured. Referring to fig. 10, in the upper probes 61, from the 1 st to the 3 rd from the left, the 4 th to the 11 th probes 61 correspond to the network ports 502, respectively, corresponding to the PE, N, and L (custom ports) auto-calibration ports 501 of the connection terminals 500, and the network cable can be connected to the rear end of the probes 61, and can upload the measured data to the test system.

The probes 61 are arranged along the first direction and the second direction, so that the probe rows 60 are orderly arranged, and the number and the row number of the probes 61 can be conveniently adjusted according to the requirement.

It is to be understood that the number of rows of the probes 61 and the number of probes 61 are not particularly limited in the present application.

According to some embodiments of the present application, alternatively, the probe row 60 includes a fixing member 62 and a clamping member 63, the driving member 50 is connected to the fixing member 62, the clamping member 63 is provided on the fixing member 62, and the clamping member 63 clamps the probe 61.

The connection between the fixing member 62 and the driving member 50 is not particularly limited in the present application. Alternatively, in one embodiment, the test probe integration mechanism 400 includes a support plate 70 and a connector 71, the connector 71 being coupled to an output shaft of the driving member 50, the output shaft being telescopically disposed on the driving member 50. The support plate 70 fixedly connects the fixing member 62 and the connecting member 71, and when the output shaft is extended, the driving member 50 can drive the probe row 60 to slide forward so as to approach the connection terminal 500; as the output shaft shortens, the driving member 50 may drive the probe row 60 to slide backward away from the connection terminal 500. Alternatively, the fixing member 62, the support plate 70 and the connection member 71 may be fixedly coupled by the bolts 43.

The driving member 50 includes, but is not limited to, a cylinder, a linear motor, etc. capable of driving the probe row 60 to slide. In fig. 3, the driving member 50 is a cylinder.

The clamping assembly 63 can stably mount the probe 61, and the probe 61 is mounted in a clamping manner, so that the probe 61 can be assembled.

According to some embodiments of the present application, optionally, the clamping assembly 63 includes a first clamping member 631 and a second clamping member 632 disposed opposite to each other, a surface of the first clamping member 631 facing the second clamping member 632 is provided with a first groove 633, a surface of the second clamping member 632 facing the first clamping member 631 is provided with a second groove 634, the probe row 60 includes a mounting portion 64, the probe 61 is movably inserted through the mounting portion 64, and the mounting portion 64 is clamped in the first groove 633 and the second groove 634.

The shape of the probe 61 is not particularly limited in the present application, and the first and second grooves 633 and 634 are adapted to the shape of the mounting portion 64. Alternatively, in FIG. 4, probe 61 is generally cylindrical. The mounting portion 64 has a cylindrical shape. The first groove 633 and the second groove 634 are each semi-cylindrical. When the first clamping member 631 and the second clamping member 632 are connected and clamp the mounting portion 64, the first groove 633 and the second groove 634 surround to form a cylindrical groove, and the mounting portion 64 is located in the cylindrical groove, so that the mounting portion 64 can be effectively clamped and fixed. Alternatively, the first groove 633 and the second groove 634 may also be U-shaped.

When the holder assembly 63 mounts the probe 61, the mounting portion 64 may be first placed in the first groove 633 or the second groove 634, and then the first holder 631 and the second holder 632 may be assembled together such that the two holders hold the mounting portion 64 in the first groove 633 and the second groove 634, and then the probe 61 may be inserted into the mounting portion 64 in a third direction (e.g., a front-to-rear direction) to pass through the mounting portion 64. Thereby, the assembling efficiency of the probe 61 is facilitated to be improved.

Optionally, the first clamping member 631 and the second clamping member 632 are detachably connected to facilitate the installation and replacement of the mounting portion 64 and the probe 61.

Alternatively, the clamping assembly 63 may be locked to the fixture 62 by bolts 43.

According to some embodiments of the present application, optionally, the fixing member 62 is provided with a receiving groove 621 and a first through hole 622, the first through hole 622 penetrates a bottom surface of the receiving groove 621, the clamping assembly 63 is received in the receiving groove 621, and the probe 61 penetrates the first through hole 622.

The holding groove 621 can limit the clamping assembly 63, so that on one hand, the efficiency of assembling the clamping assembly 63 onto the fixing piece 62 is improved; on the other hand, the clamping assembly 63 is also advantageously secured. Specifically, in fig. 5, the first clamping member 631 is provided with a mounting through hole 623, and the bottom surface of the receiving groove 621 is provided with a screw hole 624. After the first clamping member 631 and the second clamping member 632 clamp the mounting portion 64, the first clamping member 631 and the second clamping member 632 can be fixedly connected from bottom to top or from top to bottom by the bolts 43. Then, the clamping unit 63 with the mounting portion 64 is installed in the receiving groove 621, and the mounting through hole 623 is penetrated from front to rear by the bolt 43 and connected to the screw hole 624, so that the clamping unit 63 is mounted and fixed in the receiving groove 621. The probe 61 may then be threaded into the mounting portion 64 from front to back.

The first through hole 622 may provide a space through which the probe 61 is penetrated, so that a wire can be conveniently connected to the probe 61 from behind the fixing member 62 to guide out a data signal. Alternatively, in one embodiment, referring to fig. 3 and 4, the probe row 60 includes two rows of probes 61, each row of probes 61 being held by a corresponding one of the holding members 63, each holding member 63 being received in a corresponding one of the receiving slots 621. The fixing member 62 is provided with two first through holes 622 and two receiving grooves 621, and each first through hole 622 penetrates the bottom surface of a corresponding one of the receiving grooves 621. It is understood that the number of the clamping assemblies 63, the number of the receiving grooves 621, and the number of the first through holes 622 are not particularly limited.

According to some embodiments of the present application, alternatively, the probe row 60 includes two snap rings 65, where the two snap rings 65 are respectively disposed at two ends of the mounting portion 64, and the two snap rings 65 respectively abut against two surfaces of the first clamping member 631 opposite to each other in the third direction and respectively abut against two surfaces of the second clamping member 632 opposite to each other in the third direction.

In fig. 5, two snap rings 65 are provided at the front and rear ends of the mounting portion 64, respectively. The two clasps 65 respectively abut against the front surface and the rear surface of the first clamping member 631 and the front surface and the rear surface of the second clamping member 632, and the two clasps 65 are provided protruding on the mounting portion 64. The two clasps 65 can limit the mounting portion 64 in the third direction (front-rear direction), and prevent the mounting portion 64 from moving away from the connection terminal 500 (e.g., backward) to such an extent that one or some of the probes 61 cannot be connected to the port of the connection terminal 500 when the driver 50 drives the probes 61 to connect to the port of the connection terminal 500.

The shape of the snap ring 65 is not particularly limited in the present application. Optionally, the snap ring 65 is annular.

According to some embodiments of the present application, optionally, the probe 61 includes a connection portion 611 and a contact portion 612, the connection portion 611 is connected to the contact portion 612, the connection portion 611 is disposed through the mounting portion 64, and the probe row 60 includes a first elastic member 66, and the first elastic member 66 is sleeved on the connection portion 611 and abuts between the contact portion 612 and the mounting portion 64.

The first elastic member 66 can buffer the probe 61 when the probe 61 is connected to the port of the connection terminal 500, damage to the probe 61 due to impact can be reduced to a certain extent, and the first elastic member 66 can provide a force to the probe 61 toward the port of the connection terminal 500, so that the connection between the probe 61 and the connection terminal 500 is more reliable.

The first resilient member 66 includes, but is not limited to, a tension spring, torsion spring, spring tab, coil spring, and the like. In fig. 4 to 5, the first elastic member 66 is a tension spring. In fig. 4 to 5, a snap ring 65 is provided on the mounting portion 64, and the first elastic member 66 abuts between the contact portion 612 and the snap ring 65.

According to some embodiments of the present application, the probe row 60 optionally includes two electrode contacts 67, the electrode contacts 67 being spaced apart from the probes 61.

The connection terminal 500 includes a positive electrode port 503 and a negative electrode port 504, the positive electrode port 503 is connected to the positive electrode post of the battery cell 20 to be measured, and the negative electrode port 504 is connected to the negative electrode post of the battery cell 20 to be measured. The probe row 60 includes two electrode contacts 67, and when in testing, one electrode contact 67 is connected with the positive electrode port 503, and the other electrode contact 67 is connected with the negative electrode port 504, so that the two electrode contacts 67 are respectively electrically connected with the positive electrode column and the negative electrode column of the battery cell 20 to be tested. The battery testing device can charge and discharge the battery cell 20 to be tested through the two electrode contacts 67, so that the actual operation condition of the battery cell 20 is simulated.

The material of the electrode contact 67 includes, but is not limited to, a conductive material such as copper, silver, or the like. In one example, the electrode contact 67 is a copper rod.

According to some embodiments of the present application, optionally, the probe row 60 includes a second elastic member 68 and a fixing member 62, the fixing member 62 is provided with a third groove 625 and a second through hole 626, the second through hole 626 penetrates through a bottom surface of the third groove 625, the second elastic member 68 is sleeved on the electrode contact 67, the second elastic member 68 abuts between the electrode contact 67 and the bottom surface of the third groove 625, and the electrode contact 67 penetrates through the second through hole 626.

The second elastic member 68 can buffer the electrode contact 67 when the electrode contact 67 is connected with the positive electrode port 503 and the negative electrode port 504 of the connection terminal 500, damage caused by impact on the electrode contact 67 can be reduced to a certain extent, and the second elastic member 68 can provide a force to the electrode contact 67 in the direction of pressing the port of the connection terminal 500, so that the connection between the electrode contact 67 and the connection terminal 500 is more reliable.

The second resilient member 68 includes, but is not limited to, a tension spring, torsion spring, spring tab, coil spring, and the like. In fig. 4, the second elastic member 68 is a tension spring.

The third groove 625 can limit the second elastic member 68, so as to avoid displacement of the second elastic member 68 to affect the buffering effect of the second elastic member 68 to a certain extent.

Alternatively, the electrode contact 67 slidably penetrates the fixing member 62, a nut is disposed on an end of the electrode contact 67 away from the connection terminal 500, and the second elastic member 68 normally provides a force to the electrode contact 67 away from the fixing member 62, so that the electrode contact 67 has a tendency to move away from the fixing member 62. The electrode contact 67 can remain relatively stationary with respect to the fixture 62 under the restraint of the nut.

During testing, the driving member 50 drives the probe row 60 to move in a direction approaching the connection terminal 500. When the electrode contact 67 abuts against the positive electrode port 503 and the negative electrode port 504 of the connection terminal 500, the electrode contact 67 moves toward the fixing member 62, and compresses the second elastic member 68.

According to some embodiments of the present application, optionally, the test probe integration mechanism 400 includes a sliding assembly 80, the sliding assembly 80 includes a sliding rail 81 and a sliding block 82, the sliding rail 81 is provided on the base 40, the sliding block 82 is provided on the probe row 60, and the sliding block 82 is slidably connected with the sliding rail 81.

When the driving member 50 drives the probe row 60 to move, the sliding block 82 can slide on the sliding rail 81, so as to guide the movement of the probe row 60, so that the probe row 60 moves more stably and has stronger directivity.

In fig. 4 and 6, the slider 82 is fixedly coupled to the fixture 62 by a connection block 87, including but not limited to bolts 43, welding, snap fit, interference fit, and the like. In fig. 4 and 6, the slider 82 is connected to the connection block 87 by the bolt 43, and the connection block 87 is connected to the fixing member 62 by the bolt 43.

According to some embodiments of the present application, optionally, the sliding rail 81 is provided with a sliding groove 83, the sliding rail 81 includes two opposite sides surrounding the sliding groove 83, each side is provided with a fourth groove 84 along the length direction of the sliding rail 81, the sliding assembly 80 includes a guiding strip 85, the guiding strip 85 is partially accommodated in the fourth groove 84, the sliding block 82 is provided with a matching block 86, the matching block 86 is located in the sliding groove 83, and the matching block 86 is slidably connected with the guiding strip 85.

The matching block 86 is slidably connected with the guide bar 85, so that the sliding smoothness between the sliding block 82 and the sliding rail 81 is improved, and the testing efficiency is improved to a certain extent.

In fig. 4 and 6, the guide bar 85 is cylindrical, the cylindrical height is along the length direction of the sliding rail 81, the circumferential side of the matching block 86 is provided with an annular arc groove, and the arc groove is matched with the cylindrical shape, so that on one hand, the movement resistance of the guide bar 85 and the matching block 86 can be reduced to a certain extent, the sliding between the sliding block 82 and the sliding rail 81 is smoother, the testing efficiency is improved, and on the other hand, the stability of the sliding block 82 during sliding can be improved to a certain extent.

Alternatively, the mating block 86 may be rotatably coupled to the slider 82. Optionally, a lubricant is provided between the mating block 86 and the guide bar 85.

Alternatively, the sliding rail 81 may be fixed to the second base 42 by bolts 43. Alternatively, the second base 42 may be an aluminum base.

According to some embodiments of the present application, there is also provided a battery testing device including the test probe integration mechanism 400 of any of the above embodiments.

Optionally, please refer to fig. 11, fig. 11 is a testing flow chart of the present application. The battery testing device may further include a connection terminal 500, a tray, a switching device, an upper computer, a middle position machine, and an internal pressure acquisition device, where the tray is used for placing the battery cell 20 to be tested, the tray may be placed on a testing platform, and the connection terminal 500 is electrically connected with a post of the battery cell 20 to be tested and a sensor on the battery cell 20 to be tested.

The switching device, the upper computer and the internal pressure acquisition instrument can be electrically connected with the probe 61 and the electrode contact 67, and the middle computer can be electrically connected with the driving piece 50. During testing, the median machine can control the driving member 50 to drive the probe row 60 to slide towards the direction close to the connection terminal 500, so that the probe 61 and the electrode contact 67 contact with the corresponding port of the connection terminal 500, and charge the battery cell 20 to be tested and collect data.

The upper computer collects the voltage of the battery cell 20 to be tested through the internal pressure collector. When the voltage U of the battery cell 20 to be tested is equal to or greater than U, the upper computer can control the battery cell 20 to be charged (charged) at this time, the upper computer can send a charging stopping instruction to the middle computer, the middle computer can control the driving piece 50 to drive the probe row 60 to slide in a direction away from the connection terminal 500, the electrode contact 67 is separated from the positive electrode port 503 and the negative electrode port 504 of the connection terminal 500, and the probe 61 is separated from the corresponding port of the connection terminal 500, so that the battery cell 20 to be tested stops charging.

When the voltage U of the battery cell 20 to be tested is equal to or greater than U, the upper computer can supplement electricity to the battery cell 20. When the electricity supplementing time Tback of the battery cell 20 to be tested is more than or equal to 1H (hour), further judging whether the frequency of the voltage U which does not reach the specification of U is more than 1. When the electricity supplementing time period Tmending of the battery cell 20 to be tested is not less than 1H (hour), the upper computer continuously supplements electricity for the battery cell 20 to be tested.

When the voltage U does not reach the number of times designated by U and is more than 1, the upper computer alarms to prompt abnormality. When the voltage U does not reach the number of times designated by U is not greater than 1, the upper computer can control the battery cell 20 to end the current power supply (charging). The upper computer can send a charging stopping instruction to the middle computer, and the middle computer can control the driving piece 50 to drive the probe row 60 to slide in a direction away from the connecting terminal 500, the electrode contact piece 67 is separated from the positive electrode port 503 and the negative electrode port 504 of the connecting terminal 500, and the probe 61 is separated from the corresponding port of the connecting terminal 500, so that the battery cell 20 to be tested is stopped from being charged.

Then the upper computer enters a rest state and waits for the next test flow to start. When the next test flow starts, the upper computer can send a signal to the switching device to enable the switching device to switch channels. After the switching is finished, the switching device sends a switching finishing instruction to the upper computer, and when the upper computer determines that the communication of the channels of the battery cells 20 is abnormal, the upper computer starts to keep still for timing. When the standing time Tstanding is more than or equal to 5H, the upper computer controls the middle position machine to drive the probe row 60 to slide towards the direction close to the connecting terminal 500, so that the probe 61 and the electrode contact 67 are connected with the port of the connecting terminal 500, and the internal pressure sampling and the charging process are restarted.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (11)

1. A test probe integration mechanism, comprising:

A base;

The driving piece is arranged on the base;

A probe row comprising a plurality of probes of different test types, the probe row being slidably connected to the base, the drive member being connected to the probe row and being adapted to drive the probe row to slide back on the base to move closer to and farther from the connection terminals;

the probe row comprises a fixing piece and a clamping assembly, wherein the driving piece is connected with the fixing piece, the clamping assembly is arranged on the fixing piece, and the clamping assembly clamps the probes.

2. The test probe integration mechanism of claim 1, wherein the plurality of probes are arranged in at least two rows of probes along a first direction, the plurality of probes of each row of probes being spaced apart along a second direction, the rows of probes being slidable along a third direction, the first direction, the second direction, and the third direction being perpendicular to one another.

3. The test probe integration mechanism according to claim 1, wherein the clamping assembly comprises a first clamping member and a second clamping member which are arranged in opposite directions, a first groove is formed in a surface of the first clamping member, which faces the second clamping member, a second groove is formed in a surface of the second clamping member, the probe row comprises a mounting portion, the probe movably penetrates through the mounting portion, and the mounting portion is clamped in the first groove and the second groove.

4. The test probe integration mechanism according to claim 3, wherein the fixing member is provided with a holding groove and a first through hole, the first through hole penetrates through the bottom surface of the holding groove, the clamping assembly is held in the holding groove, and the probe penetrates through the first through hole.

5. The test probe integrated mechanism of claim 4, wherein the probe row comprises two snap rings respectively disposed at two ends of the mounting portion, the two snap rings respectively abutting against two opposite surfaces of the first clamping member along the third direction and respectively abutting against two opposite surfaces of the second clamping member along the third direction.

6. The test probe integration mechanism of claim 3, wherein the probe comprises a connecting portion and a contact portion, the connecting portion is connected with the contact portion, the connecting portion penetrates through the mounting portion, and the probe row comprises a first elastic piece which is sleeved on the connecting portion and abuts against between the contact portion and the mounting portion.

7. The test probe integration mechanism of claim 1, wherein the probe row comprises two electrode contacts, the electrode contacts being spaced apart from the probes.

8. The test probe integration mechanism according to claim 7, wherein the probe row comprises a second elastic member and a fixing member, wherein a third groove and a second through hole are formed in the fixing member, the second through hole penetrates through the bottom surface of the third groove, the second elastic member is sleeved on the electrode contact member, the second elastic member abuts against between the electrode contact member and the bottom surface of the third groove, and the electrode contact member penetrates through the second through hole.

9. The test probe integration mechanism of claim 1, comprising a slide assembly, the slide assembly comprising a slide rail and a slider, the slide rail being disposed on the base, the slider being disposed on the probe row, the slider being slidably coupled to the slide rail.

10. The test probe integration mechanism of claim 9, wherein the slide rail is provided with a slide groove, the slide rail comprises two opposite side surfaces surrounding the slide groove, each side surface is provided with a fourth groove along the length direction of the slide rail, the sliding assembly comprises a guide strip, the guide strip is partially accommodated in the fourth groove, the slide block is provided with a matching block, the matching block is positioned in the slide groove, and the matching block is slidably connected with the guide strip.

11. A battery testing device comprising the test probe integration mechanism of any one of claims 1-10.