CN219534621U - Probe module and battery formation component needle bed - Google Patents

Abstract

A probe module and a battery-formed component needle bed, the probe module comprises a plurality of probe assemblies, a variable-pitch base and a variable-pitch driving assembly. Because the displacement base has the installation department that extends along the straight line, a plurality of probe subassembly all activity sets up in the installation department, and displacement drive assembly can drive probe subassembly and move on the installation department to can change the distance between the position of probe subassembly on the installation department and the adjacent probe subassembly, make probe subassembly and arbitrary battery interval assorted, can adapt to multiple battery of different thickness.

Description

Probe module and battery formation component needle bed

Technical Field

The utility model relates to the field of battery formation component capacity-division equipment, in particular to a probe module and a battery formation component capacity-division bed.

Background

At present, the new energy industry is vigorously developed to produce a plurality of lithium batteries with different specifications and models, and for middle-sized, large-sized and ultra-large square aluminum shell lithium battery manufacturers, how to change the production conditions of equipment in a short time and high efficiency to match the production tests of lithium batteries with different specifications and sizes has very high economic benefit.

With the continuous increase and generation of the battery model, the model specification of the battery is also changed continuously, which means that the original chemical composition equipment is replaced or regulated. Changing or retrofitting chemical composition equipment is time consuming and laborious, so the equipment should be considered for compatibility during the model selection phase. The probe of the original equipment only aims at the specification and model of one battery, can not be flexibly adjusted and changed according to the length, the height or the width of the battery, is time-consuming and labor-consuming when the equipment is changed or adjusted, delays production, and cannot be compatible with multiple batteries with different specifications and models.

Disclosure of Invention

The utility model provides a probe module and a battery forming component needle bed, which can be matched with any battery space and are compatible with batteries with any thickness.

According to a first aspect of the present utility model, there is provided in one embodiment a probe module comprising:

the probe assemblies are provided with contact ends and are used for being in press-fit contact with positive electrodes and negative electrodes of the batteries to be tested in a one-to-one correspondence manner;

the distance-changing base is provided with a mounting part extending along a straight line, and a plurality of probe assemblies are movably arranged on the mounting part;

and the distance-changing driving assembly is arranged on the distance-changing base, is connected with the probe assembly and drives the probe assembly to move on the mounting part so as to change the position of the probe assembly on the mounting part and the distance between the adjacent probe assemblies.

In one embodiment, the pitch-variable driving assembly comprises a pitch-variable shaft, the pitch-variable shaft is parallel to the mounting part, the pitch-variable shaft is connected with the probe assembly, and the probe assembly is driven to move along the axis of the pitch-variable shaft when the pitch-variable shaft rotates.

In one embodiment, the outer circumferential wall of the variable-pitch shaft is provided with a plurality of thread grooves along the axial direction, the probe assembly comprises a mounting base, the mounting base is provided with a matching groove, the matching groove is provided with a protruding portion, and the protruding portion is in sliding connection with the thread grooves.

In one embodiment, the pitch-varying shaft has a first end and a second end, and the plurality of thread grooves taper in slope from the first end to the second end.

In one embodiment, the pitch difference between two adjacent screw grooves is equal.

In one embodiment, the variable-pitch driving assembly further comprises a driving hand wheel and a transmission gear set, wherein the driving hand wheel is connected with the variable-pitch shaft through the transmission gear set so as to drive the variable-pitch shaft to rotate.

In one embodiment, the mounting portion includes a guide rod, the guide rod is symmetrically disposed along an axis of the pitch-changing shaft and parallel to the pitch-changing shaft, and the mounting base is further provided with a guide groove, and the guide rod is slidably disposed in the guide groove.

According to a second aspect of the present utility model, there is provided in one embodiment a unitized component needle bed comprising two probe modules as described above.

According to the probe module and the battery formed into the split needle bed in the above embodiment, the probe module includes a plurality of probe assemblies, a pitch changing base, and a pitch changing driving assembly. Because the displacement base has the installation department that extends along the straight line, a plurality of probe subassembly all activity sets up in the installation department, and displacement drive assembly can drive probe subassembly and move on the installation department to can change the distance between the position of probe subassembly on the installation department and the adjacent probe subassembly, make probe subassembly and arbitrary battery interval assorted, can adapt to multiple battery of different thickness.

Drawings

FIG. 1 is a schematic diagram of a chemical composition apparatus in one embodiment;

FIG. 2 is a schematic diagram of an intermediate distance adjusting mechanism according to an embodiment;

FIG. 3 is a schematic diagram of a drive gear set in one embodiment;

FIG. 4 is a schematic diagram showing the combination of the mechanisms in one embodiment;

FIG. 5 is a schematic diagram of a lifting mechanism according to an embodiment;

FIG. 6 is a schematic view of a lifting mechanism at another angle in one embodiment;

FIG. 7 is a schematic diagram of a translation mechanism in an embodiment;

FIG. 8 is a schematic diagram of a probe module according to an embodiment;

FIG. 9 is a schematic diagram of a pushing mechanism in an embodiment;

FIG. 10 is a schematic diagram of the structure of a probe assembly in one embodiment;

FIG. 11 is a schematic view showing an external structure of an integrated water-cooling type component separating device according to an embodiment;

FIG. 12 is a schematic view showing an internal structure of an integrated water-cooling type component separating device according to an embodiment;

wherein:

100. a frame;

110. the device comprises a bearing seat, 120, a guide rail, 130, a guide sliding block, 140, a graduated scale, 150 and a pointer;

200. a probe module;

210. the probe assembly, 211, a mounting base, 2111, a matching groove, 2112, a protruding part, 2113, a guiding groove, 212, a movable mounting seat, 213, a probe, 214, an elastic piece, 215, a limiting block, 216 and a sliding track;

300. a spacing adjustment mechanism;

310. the driving mechanism 320, the transmission shaft 330, the transmission gear set 331, the first transmission gear 332, the second transmission gear 333, the third transmission gear 340, the first transmission rod 350 and the second transmission rod;

400. a lifting mechanism;

410. lifting bottom plates 420, lifting driving devices 421, lifting driving handwheels 422, lifting shafts 423, lifting screw rods 424, first synchronous wheels 425, second synchronous wheels 426, synchronous belts 430, guide bearings 440, supporting seats 450, supporting bearings 460 and sliding guide rails;

500. a translation mechanism;

510. the device comprises a translation driving device 520, a translation bottom plate 530, a translation sliding rail 540, a translation sliding block 550 and a guide shaft;

600. a pitch-changing adjusting mechanism;

610. a variable-pitch shaft 611, a thread groove 620, a guide rod 630, a driving hand wheel 640, a variable-pitch gear set 650, a mounting vertical plate 660 and a rotating bearing;

700. a carrying mechanism;

800. a pushing mechanism;

810. a pushing base, 820, pushing plates, 830, pushing driving devices, 831, first pushing rails, 832, limiting plates, 833, moving pieces, 834, moving grooves, 835, pushing handles, 836 and second pushing rails;

900. a power supply assembly;

1000. a cabinet body;

1001. the device comprises an electric power distribution module 1002, a charge-discharge power supply module 1003 and a water cooling heat dissipation module.

Detailed Description

The utility model will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present utility model. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present utility model have not been shown or described in the specification in order to avoid obscuring the core portions of the present utility model, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operational steps involved in the embodiments may be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of describing certain embodiments and are not necessarily intended to imply a required composition and/or order.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.

Example 1

The present embodiment provides a battery-formation-composition apparatus (needle bed) that can be used for battery-formation-composition tests of different models.

It should be noted that the lengths, widths and heights of the batteries of different types may be different, the difference of the widths may affect the number of channels in the battery tray and the distance between the positive electrodes or the negative electrodes of two adjacent batteries, the larger the width is, the smaller the number of channels is, the larger the distance is, the difference of the lengths affects the distance between the positive electrodes and the negative electrodes of the batteries, and the difference of the heights affects the positions of the positive electrodes or the negative electrodes in the vertical direction.

Referring to fig. 1, the chemical dividing apparatus includes a frame 100, two probe modules 200, a pitch adjustment mechanism 300, a lifting mechanism 400, a translation mechanism 500, a pitch adjustment mechanism 600, and a carrying mechanism 700. The following is a detailed description.

The rack 100 is used for bearing and supporting, the bearing mechanism 700 is used for bearing the batteries to be detected, the bearing mechanism 700 comprises a plurality of support columns, fixing pins arranged on the support columns and a battery tray, the battery tray is internally provided with a plurality of batteries to be detected, and the support columns are respectively arranged on the two probe modules 200; the two probe modules 200 are disposed on the rack 100 and are respectively located at two opposite sides of the carrying mechanism 700 along the first direction; the distance adjusting mechanism 300 is connected with the probe modules 200, and is used for synchronously driving two probe modules 200 to move in opposite directions or in opposite directions so as to adjust the distance between the two probe modules 200, so as to adapt to batteries with different lengths, and synchronously adjusting the distance between the support columns so as to match with the battery tray, so that the battery tray is supported and fixed.

The lifting mechanism 400 is used for adjusting the position of the probe module 200 in the vertical direction so as to adapt to batteries with different heights.

The translation mechanism 500 is used for adjusting the probe module 200 to move along a first direction on a horizontal plane so as to enable the probe module 200 to be in press connection with the positive electrode and the negative electrode of the battery to be tested, the probe module 200 comprises a plurality of probe assemblies 210, and the probe assemblies 210 are provided with contact ends and are used for being in press connection with the positive electrodes and the negative electrodes of the plurality of batteries to be tested in one-to-one correspondence.

The pitch adjustment mechanism 600 includes a pitch base having a mounting portion extending in a second direction, the second direction being perpendicular to the first direction and the vertical direction, and a pitch drive assembly; the plurality of probe assemblies 210 are movably arranged on the mounting part, and the mounting part is provided with a using part and a non-using part; the pitch-varying driving assembly is disposed on the pitch-varying base and connected with the probe assembly 210, and drives the probe assembly 210 to move on the mounting portion, so that the probe assembly 210 moves between the use portion and the non-use portion of the mounting portion, and the distance between adjacent probe assemblies 210 in the use portion is changed to accommodate batteries of different widths, and different channel numbers.

Specifically, the pitch adjustment mechanism 600 can move the probe assemblies 210 that do not need to participate in the operation (i.e., greater than the number of battery channels) to the unused portion according to the number of battery channels without changing the number of probe assemblies 210, and then adjust the pitch between the probe assemblies 210 that are located in the used portion and need to participate in the operation (corresponding to the number of battery channels) so as to be in one-to-one contact with the positive or negative electrode positions of the battery to be tested.

In one embodiment, referring to fig. 2 and 3, the space adjusting mechanism 300 includes a driving mechanism 310, a transmission shaft 320, a transmission gear set 330, a first transmission rod 340 and a second transmission rod 350, where the first transmission rod 340 and the second transmission rod 350 are respectively connected to two probe modules 200 and symmetrically disposed along an axis of the transmission shaft 320, the first transmission rod 340 and the second transmission rod 350 have threads with different rotation directions, the transmission gear set 330 includes a first transmission gear 331, a second transmission gear 332 and a third transmission gear 333, and the first transmission rod 340, the second transmission rod 350 and one end of the transmission shaft 320 are respectively located and meshed with each other, and the driving mechanism 310 is configured to drive the transmission shaft 320 to rotate around its own axis, and drive the first transmission rod 340 and the second transmission rod 350 to rotate through the transmission gear set 330 so as to synchronously drive the two probe modules 200 to move in opposite directions or opposite directions.

Specifically, the driving mechanism 310 and the first transmission gear 331 are respectively disposed at two ends of the driving shaft 320, the second transmission gear 332 and the third transmission gear 333 are respectively disposed at one ends of the first transmission rod 340 and the second transmission rod 350, the second transmission gear 332 and the third transmission gear 333 are respectively engaged with the first transmission gear 331, when the driving shaft 320 rotates under the driving of the driving mechanism 310, the second transmission gear 332 and the third transmission gear 333 engaged with the first transmission gear 331 at the end portion thereof rotate to drive the first transmission rod 340 and the second transmission rod 350, and because the screw threads of the first transmission rod 340 and the second transmission rod 350 are different in rotation direction, the two probe modules 200 connected with the first transmission rod 340 and the second transmission rod 350 can move in the same direction or opposite directions along the first direction.

Further, a bearing seat 110 is provided on the frame 100, and two ends of the first transmission rod 340 and the second transmission rod 350 are respectively rotatably connected with the bearing seat 110 through bearings.

Further, the driving mechanism 310 is a driving hand wheel, and in use, the driving hand wheel is rotated to provide power.

Further, referring to fig. 4, in order to improve the stability of the movement of the probe module 200, the frame 100 is further provided with a guide rail 120 and a guide slider 130 slidably connected to the guide rail 120, and the guide slider 130 is connected to the probe module 200. In the interval adjustment, when the two probe modules 200 are linearly moved by the driving mechanism 310, the first transmission rod 340 and the second transmission rod 350, the guide rail 120 and the guide slider 130 are used for further movement guiding.

Further, the guide slider 130 may be disposed at the bottom of the probe module 200 or may be disposed at a side of the probe module 200.

Further, the guide rail 120 is further provided with a scale 140, the guide slider 130 is provided with a pointer 150, and in the moving process of the probe module 200, more accurate moving guidance is provided in the form of visual data, so as to realize accurate adjustment of the pitch of the probe module 200. Of course, in other embodiments, the pointer 150 may also be disposed on the probe module 200.

In one embodiment, referring to fig. 5 and 6, the lifting mechanism 400 includes a lifting base 410 and a lifting driving device 420, the lifting base 410 is used for supporting the entire probe module 200 and the lifting driving device 420, and the lifting driving device 420 is connected with the probe module 200 and is used for driving the probe module 200 to move along the vertical direction so as to change the height of the probe module 200 in the vertical direction, so that the probe module 200 can correspond to the positive and negative electrode positions of the battery to be tested.

Further, the guide slider 130 is disposed at the bottom of the lifting base plate 410, the probe module 200 is disposed above the lifting base plate 410, and is driven by the lifting driving device 420 to move up and down.

In one embodiment, the lifting driving device 420 includes a lifting driving hand wheel 421, a lifting shaft 422 and a lifting screw 423, one end of the lifting shaft 422 is connected with the lifting driving hand wheel 421, the other end is provided with a first synchronizing wheel 424, one end of the lifting screw 423 passes through the lifting base plate 410 and is connected with the probe module 200, the other end is provided with a second synchronizing wheel 425, and the first synchronizing wheel 424 and the second synchronizing wheel 425 are connected through a synchronous belt 426.

After the battery model is switched, in order to enable the probe module 200 to correspond to the positive pole and the negative pole of the battery, the lifting driving hand wheel 421 is utilized to drive the lifting shaft 422 to rotate, so that the first synchronous wheel 424 connected with the lifting shaft 422 is driven to rotate, the second synchronous wheel 425 connected with the probe module through the synchronous belt 426 is driven to rotate, and finally the lifting screw 423 is driven to move up and down along the vertical direction, so that the probe module 200 is driven to move up and down along the vertical direction, and the height adjustment of the probe module 200 is realized.

Of course, in other embodiments, the lifting driving device 420 may also be configured to drive the probe module 200 to vertically move up and down, such as a linear motor or an air cylinder.

In one embodiment, referring to fig. 7, the translation mechanism 500 includes a translation driving device 510 and a translation bottom plate 520, where the translation driving device 510 is connected to the probe module 200 and is used to drive the probe module 200 to move along a first direction so as to approach to the anode and the cathode of the battery to be tested.

In one embodiment, the translation driving device 510 is a cylinder, and a floating joint is disposed at an end of a piston rod of the cylinder, and the floating joint is connected to the probe module 200, so as to implement the linear motion of the probe module 200 along the first direction. It is understood that the translational driving device 510 may be a device capable of performing linear motion, such as a linear motor, or a device providing linear driving force.

In an embodiment, the translation bottom plate 520 is provided with a translation sliding rail 530 and a translation sliding block 540 slidably connected with the translation sliding rail 530, and the probe module 200 is connected with the translation sliding block 540, so as to guide and limit the movement of the probe module 200 along the first direction, so that the movement is smoother and safer.

In one embodiment, a guiding shaft 550 is vertically disposed at the bottom of the translation bottom plate 520, a guiding hole is formed in the lifting bottom plate 410 in a penetrating manner, a guiding bearing 430 is disposed in the guiding hole, and the guiding shaft 550 is movably disposed in the guiding bearing 430, so as to further guide the movement of the probe module 200 in the vertical direction.

In use, in order to effectively save space and ensure smoothness of implementation of functions of the apparatus, preferably, the translation mechanism 500 and the probe module 200 are disposed on the lifting base plate 410, the translation mechanism 500 and the probe module 200 are used as two independent components, and are connected only through the translation driving device 510 and the probe module 200, and the translation driving device 510 is used as a device for providing power, so that the weight and the volume are large, and therefore a structure for separately providing support for the translation driving device 510 is required.

Meanwhile, the above-mentioned support columns are disposed on the lifting base plate 410, and it can be understood that in order to ensure the temperature of the battery tray, the number of support columns is 4, and the support columns are respectively disposed on two lifting base plates 410 corresponding to two probe modules 200.

In an embodiment, the lifting bottom plate 410 is further provided with a supporting seat 440, the supporting seat is composed of a supporting plate and two supporting ribs and is used for supporting the translational driving device 510, the lifting shaft 422 is vertically arranged on the supporting plate and is rotationally connected with the bottom of the supporting plate through a supporting bearing 450, the supporting plate is provided with a sliding guide rail 460, the sliding guide rail 460 is slidably connected with the translational driving device 510, so that the translational driving device 510 can be supported to bear the recoil force during the action of the translational driving device, and meanwhile, the translational driving device 510 can be guided to move in the vertical direction by utilizing the sliding guide rail, so that the translational driving device and the probe module 200 can synchronously perform the lifting motion in the vertical direction.

In one embodiment, referring to fig. 8, the pitch drive assembly includes a pitch axis 610, the pitch axis 610 is disposed parallel to the mounting portion, the pitch axis 610 is connected to the probe assembly 210, and the rotation of the pitch axis 610 drives the probe assembly 210 to move along the axis of the pitch axis 610.

In one embodiment, the pitch-variable shaft 610 is provided with a plurality of thread grooves 611 with different slopes along the axial direction, the probe assembly 210 includes a mounting base 211, the mounting base 211 is provided with a mating groove 2111, the mating groove 2111 is provided with a protrusion 2112, the protrusion 2112 is slidably connected with the thread groove 611, and when the pitch-variable shaft 610 rotates, the probe assembly 210 can be driven to move along the axial direction of the pitch-variable shaft 610, so as to change the interval between the probe assemblies 210.

In one embodiment, the used portions and the unused portions of the mounting portion are distributed along the axial direction of the pitch change shaft 610; the slopes of the plurality of the thread grooves 611 gradually decrease from the use portion to the non-use portion, and the pitch differences of the adjacent two of the thread grooves 611 are equal. Specifically, the pitch of the other thread grooves 611 is known as the result of subtracting the pitch of the second thread groove 611 from the pitch of the third thread groove 611 is the same as the result of subtracting the pitch of the first thread groove 611 from the pitch of the second thread groove 611.

By the arrangement, the probe assemblies 210 at different positions can generate different displacements along the second direction under the rotation of the variable-pitch shaft 610, but can keep the adjacent two probe assemblies 210 to move equidistantly, and the slope of the unused part can be zero, so that the probe assemblies 210 which do not participate in work are temporarily stored. When the number of the existing probe assemblies 210 is greater than the number of the battery channels, the probe assemblies 210 are moved to the position where no part of temporary storage is used by rotating the variable-pitch shaft 610, and the rotation of the variable-pitch shaft 610 is adjusted by checking the movement condition of the probe assemblies 210 at any time, so that the probe assemblies 210 can be in one-to-one correspondence with the number of the battery channels finally.

In one embodiment, the mounting portion includes a guide rod 620, the guide rod 620 is symmetrically disposed along the axis of the pitch-changing shaft 610 and is parallel to the pitch-changing shaft 610, the mounting base 211 is further provided with a guide groove 2113, the guide groove 2113 is symmetrical along the center line of the mating groove 2111, and the guide rod 620 is slidably disposed in the guide groove 2113 to provide a guiding function for the movement of the probe assembly 210.

In one embodiment, the pitch drive assembly further comprises a driving hand wheel 630 and a pitch gear set 640, wherein the driving hand wheel 630 is connected with the pitch shaft 610 through the pitch gear set 640, and the rotation of the driving hand wheel 630 drives the rotation of the pitch gear set 640, thereby driving the rotation of the pitch shaft 610.

In one embodiment, the mounting portion further includes mounting vertical plates 650 disposed at two ends of the guide rod 620, two ends of the pitch-changing shaft 610 are movably connected with the mounting vertical plates 650, in order to ensure smoothness of rotation of the pitch-changing shaft 610, the mounting vertical plates 650 are provided with rotating bearings 660, and the pitch-changing shaft 610 is movably disposed in the rotating bearings 660.

It should be noted that, herein, the first direction and the second direction are two directions perpendicular to each other on a horizontal plane, the first direction is a direction approaching or separating from the battery (or the carrying mechanism 700), that is, a length direction of the battery, and the second direction is an axial direction of the transmission shaft 710, that is, a width direction of the battery.

In an embodiment, referring to fig. 9 and 10, the probe assembly 210 further includes a moving mount 212, a probe 213, an elastic member 214, and a limiting block 215, the mount 211 is movably disposed on the mounting portion, a sliding rail 216 is disposed on the mount 211, the limiting block 215 is disposed at one end of the sliding rail 216, the moving mount 212 is slidably disposed on the mount 211 and is connected to the limiting block 215 through the elastic member 214, the probe 213 is disposed on the moving mount 212, and the probe 213 can slide on the sliding rail 216 along with the moving mount 212 to realize movement along a first direction.

In this embodiment, when the battery is detected, the probe 213 is moved by applying a pushing force to the probe 213 of the used portion, and the contact end is pressed against the positive electrode or the negative electrode of the battery, and after the probe 213 of the used portion is moved to the unused portion, the probe 213 of the unused portion is separated from the battery by the restoring action of the elastic member 214, so that the probe 213 can be protected.

Further, the elastic member 214 is a spring.

In one embodiment, to better implement the movement of the probe 213, the pushing mechanism 800 further includes a pushing base 810, a pushing plate 820, and a pushing driving device 830, where the pushing plate 820 is disposed opposite to the probe assembly 210 of the usage portion, so as to drive the probe assembly 210 of the usage portion to move along a first direction to be in press connection with the positive electrode or the negative electrode of the battery to be tested, and the pushing driving device 830 is disposed on the pushing base 810 and connected to the pushing plate 820.

Specifically, the pushing driving device 830 drives the pushing plate 820 to move along the first direction, so as to push the moving mount 212 to move along the first direction on the sliding rail 216, so that the probe 213 moves along the first direction to be in press contact with the positive electrode and the negative electrode of the battery to be tested, and the unused portion of the probe 213 is far away from the battery under the restoring action of the elastic member 214 due to no contact with the pushing plate 820 and no pushing force.

In an embodiment, the pushing driving device 830 includes a first pushing rail 831 disposed on the pushing base 810 and extending along a second direction, a limiting plate 832 disposed on the first pushing rail 831, and a moving member 833 connected to the pushing plate 820, where the limiting plate 832 is provided with a moving slot 834 obliquely disposed along the second direction, the moving member 833 is slidably disposed in the moving slot 834, and in a pushing posture, the limiting plate 832 moves on the first pushing rail 831 along the second direction, and the moving member 833 moves along the moving slot 834, so that the movement of the limiting plate 832 along the second direction is converted into the movement of the pushing plate 820 along the first direction.

In an embodiment, the first pushing track 831 is composed of a plurality of fixing blocks, the fixing blocks are arranged along the second direction, the fixing blocks are provided with mounting grooves, the limiting plates 832 are movably arranged in the mounting grooves, and the limiting plates 832 can move along the second direction in the mounting grooves.

In one embodiment, the limiting plate 832 is provided with a pushing handle 835 as a force application component, and an operator pushes the limiting plate 832 to slide on the mounting groove by pushing the handle 835, at this time, the moving member 833 moves along the moving groove 834, so that the movement in the second direction is converted into the movement in the first direction, and thus the pushing plate 820 can push the probe 213 to move.

In one embodiment, in order to improve the movement stability of the pushing plate 820, the pushing base 810 is further provided with a second pushing rail 836, the second pushing rail 836 extends along the first direction, and the pushing plate 820 is provided with a pushing slider slidingly connected with the second pushing rail 836 to guide the movement of the pushing plate 820 along the second direction.

In general, the battery-formed component device is placed vertically when in use. In order to make the structure of the battery formation component device more compact, reduce the occupied space in the horizontal direction, and facilitate the cooperation between the structures, and the smoothness and convenience of operation, referring to fig. 4, the distance adjusting mechanism 300, the lifting mechanism 400, the translation mechanism 500, and the pushing mechanism 600 are arranged from bottom to top, the distance-changing adjusting mechanism 700 and the pushing mechanism 600 are simultaneously arranged on the translation mechanism 500, the probe assembly 210 is arranged on the distance-changing adjusting mechanism 700, a connecting block is arranged at the bottom of the lifting bottom plate 410 and is in threaded connection with the first transmission rod 340 or the second transmission rod 350, and the translation bottom plate 520 is arranged above the lifting bottom plate 410 in parallel.

The battery detection device further comprises a power supply assembly 900, wherein the power supply assembly is arranged on the frame 100 and is in circuit connection with the probe module 200, so as to provide power supply in the battery detection process.

The working principle of the embodiment is as follows: when the probe module 200 is used, firstly, the distance between the probe modules 200 is adjusted through the distance adjusting mechanism 300 according to the length of a battery, then, the height of the probe modules 200 is adjusted through the lifting mechanism 400 according to the height of the battery, and the position of the probe modules 200 in the first direction is further adjusted through the translation assembly 500 according to the length of the battery, so that the probe modules 200 correspond to the positions of battery poles, at the moment, the distance between the probe modules 210 can be adjusted through the distance-changing adjusting mechanism 700 according to the width of the battery, and the probe modules 210 which do not participate in the work can be moved to unused parts according to the number of channels of the battery tray, the pushing mechanism 600 can move the probes 213 of the used parts to be in one-to-one contact with the battery poles and be tightly pressed, and at the moment, the probes 213 which do not participate in the work can be moved to a direction away from the battery under the restoring action of the elastic piece 214, so that the probes 213 which do not participate in the work can be protected.

Example two

In one aspect, the present embodiment provides a probe module including a plurality of probe assemblies 210, a pitch-varying base, and a pitch-varying driving assembly.

The probe assembly 210 has contact terminals for contacting positive and negative electrode crimp connections of a plurality of cells to be tested in a one-to-one correspondence; the distance-changing base is provided with a mounting part extending along a straight line, and a plurality of probe assemblies 210 are movably arranged on the mounting part; the distance-varying driving assembly is disposed on the distance-varying base, and is connected to the probe assembly 210 to drive the probe assembly 210 to move on the mounting portion, so as to vary the position of the probe assembly 210 on the mounting portion and the distance between adjacent probe assemblies 210.

In one embodiment, referring to fig. 8, the pitch drive assembly includes a pitch axis 610, the pitch axis 610 is disposed parallel to the mounting portion, the pitch axis 610 is connected to the probe assembly 210, and the rotation of the pitch axis 610 drives the probe assembly 210 to move along the axis of the pitch axis 610.

In one embodiment, the circumferential outer wall of the pitch-varying shaft 610 is provided with a plurality of screw grooves 611 along the axial direction, the probe assembly 210 includes a mounting base 211, the mounting base 211 is provided with a mating groove 2111, the mating groove 2111 is provided with a protrusion 2112, the protrusion 2112 is slidably connected with the screw grooves 611, and when the pitch-varying shaft 610 rotates, the probe assembly 210 can be driven to move along the axial direction of the pitch-varying shaft 610, so as to change the interval between the probe assemblies 210.

In one embodiment, the pitch-variable shaft 610 has a first end and a second end, the first end and the second end are respectively disposed at two ends of the axis direction of the pitch-variable shaft 610, the slopes of the plurality of thread grooves 611 along the first end to the second end gradually decrease, and the pitch differences of two adjacent thread grooves 611 are equal.

Specifically, the pitch of the other thread grooves 611 is known as the result of subtracting the pitch of the second thread groove 611 from the pitch of the third thread groove 611 is the same as the result of subtracting the pitch of the first thread groove 611 from the pitch of the second thread groove 611.

In one embodiment, the pitch drive assembly further comprises a driving hand wheel 630 and a pitch gear set 640, wherein the driving hand wheel 630 is connected with the pitch shaft 610 through the pitch gear set 640, and the rotation of the driving hand wheel 630 drives the rotation of the pitch gear set 640, thereby driving the rotation of the pitch shaft 610.

In one embodiment, the mounting portion includes a guide rod 620, the guide rod 620 is symmetrically disposed along the axis of the pitch-changing shaft 610 and is parallel to the pitch-changing shaft 610, the mounting base 211 is further provided with a guide groove 2113, the guide groove 2113 is symmetrical along the center line of the mating groove 2111, and the guide rod 620 is slidably disposed in the guide groove 2113 to provide a guiding function for the movement of the probe assembly 210.

In another aspect, the present embodiment provides a battery-formed component needle bed, comprising two probe modules as described above.

Example III

Referring to fig. 11 and 12, the present embodiment provides an integrated water-cooling chemical composition device, which includes a cabinet 1000 for accommodating, an electrical power distribution module 1001, a charge-discharge power module 1002, a water-cooling heat dissipation module 1003, and the chemical composition device (needle bed) are disposed in the cabinet 1000, the electrical power distribution module 1001 and the charge-discharge power module 1002 are used for providing power required for detection, the water-cooling heat dissipation module 1003 includes a water-cooling circulation pipe, and can be disposed on a circumference of the rack 100, and heat generated by the chemical composition device (needle bed) in the detection process is carried away by using circulating water.

Further, the cabinet 1000 has a first accommodating cavity and a second accommodating cavity, the electric power distribution module 1001, the charge-discharge power module 1002 and the water cooling module 1003 are disposed in the first accommodating cavity, and the chemical composition device is disposed in the second accommodating cavity.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims (8)

1. A probe module, comprising:

the probe assemblies are provided with contact ends and are used for being in press-fit contact with positive electrodes and negative electrodes of the batteries to be tested in a one-to-one correspondence manner;

the distance-changing base is provided with a mounting part extending along a straight line, and a plurality of probe assemblies are movably arranged on the mounting part;

and the distance-changing driving assembly is arranged on the distance-changing base, is connected with the probe assembly and drives the probe assembly to move on the mounting part so as to change the position of the probe assembly on the mounting part and the distance between the adjacent probe assemblies.

2. The probe module of claim 1, wherein the pitch drive assembly comprises a pitch shaft, the pitch shaft is disposed parallel to the mounting portion, the pitch shaft is connected to the probe assembly, and the pitch shaft rotates to drive the probe assembly to move along the axis of the pitch shaft.

3. The probe module according to claim 2, wherein the circumferential outer wall of the pitch-changing shaft is provided with a plurality of thread grooves along the axial direction, the probe assembly comprises a mounting base, the mounting base is provided with a matching groove, the matching groove is provided with a protruding part, and the protruding part is slidably connected with the thread grooves.

4. A probe module according to claim 3, wherein the pitch axis has a first end and a second end, and the plurality of thread grooves taper in slope from the first end to the second end.

5. A probe module according to claim 4, wherein the pitch difference between adjacent ones of said thread grooves is equal.

6. The probe module of claim 2, wherein the pitch drive assembly further comprises a drive hand wheel and a drive gear set, the drive hand wheel being coupled to the pitch shaft via the drive gear set to rotate the pitch shaft.

7. A probe module according to claim 3, wherein the mounting portion comprises guide bars which are symmetrically arranged along the axis of the displacement shaft and parallel to the displacement shaft, and the mounting base is further provided with guide grooves in which the guide bars are slidably arranged.

8. A battery-forming split needle bed comprising two probe modules according to any one of claims 1-7.