Power battery test module and test machine thereof

Abstract

The invention discloses a power battery test module and a test machine thereof. The power battery test module comprises a supporting assembly, a driving assembly, a test support table and an upper pressing assembly, the supporting assembly comprises an elastic supporting part; the elastic support part flexibly supports the test support table in the vertical direction; the driving assembly is arranged on the supporting assembly; the test support table is arranged on the support assembly in a sliding manner; a battery is placed on the test support table, and the battery is pressed and leveled from the end part and the side part of the battery through the end leveling part and the side leveling part respectively; the upper pressing assembly is erected above the supporting assembly. The pressure and flatness real-time detection function is achieved while the battery is fixed through side pressing and end pressing, and the stress uniformity of the side wall of the battery and the surface flatness of the battery in the side pressing and end pressing process are effectively guaranteed; meanwhile, a floating type upward pressing function is achieved, upward pressing buffering is achieved, meanwhile, flexible rolling type supporting of the testing supporting table is cooperated, the angle and flatness of the battery can be adjusted in a self-adaptive mode in the upward pressing process, and the testing precision is improved.

Description

Technical Field

[0001] The present invention relates to the field of automatic testing of power batteries, and in particular to a power battery testing module and a testing machine thereof. Background Art

[0002] Power batteries are the power source for tools, mostly referring to batteries that power electric cars, electric trains, electric bicycles, and golf carts. Power batteries are the core components of new energy vehicles and an important direction for future energy transformation.

[0003] The manufacturing process of power batteries involves the process of parameter detection. In the process of automatic detection of power batteries, it is necessary to design a test module as an auxiliary platform to connect the power battery to the test circuit. The test module supports the power battery and needs to accurately locate the position of the power battery to ensure that the subsequent test terminal can be accurately connected to the battery port. In addition, when the battery is subjected to uneven external pressure during the test, it will affect the battery parameter indicators of the test. Therefore, the technical problems that need to be solved are the uniformity of pressure on the battery surface during the process of carrying and clamping the battery and the flatness of the battery surface. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a power battery test module and its test machine that realizes automatic load-bearing and fixation of power batteries, and has real-time detection functions of pressure and flatness while fixing the batteries by side pressure and end pressure, effectively ensuring the uniformity of force on the side walls of the batteries and the flatness of their surfaces during side pressure and end pressure; and at the same time, has a floating upper pressure function, which cooperates with the flexible rolling support of the test support platform while realizing upper pressure buffering, so that the angle and flatness of the battery can be adaptively adjusted during the upper pressure process, thereby improving the test accuracy.

[0005] The technical scheme adopted by the present invention is as follows: a power battery test module is arranged in a battery test machine for battery testing, comprising a support assembly, a drive assembly, a test support platform and an upper pressure assembly, wherein the support assembly is horizontally arranged on the machine platform of the battery test machine; the support assembly comprises an elastic support component, the elastic support component is used to contact and support the upper test support platform, and is connected with the test support platform in a rolling manner so that the test support platform can be linearly inserted and pulled to take and place the battery; the elastic support component flexibly supports the test support platform in the vertical direction, so that the position of the test support platform in the vertical direction is adjustable; the drive assembly is arranged on the support assembly and outputs power in a linear direction; the test support platform is slidably arranged on the support assembly, and horizontally extends to the upper part of the drive assembly, and is connected with the output end of the drive assembly, and is driven by the drive assembly to move linearly on the support assembly; a battery is placed on the test support platform, and the battery is pressed and leveled from the end and side of the battery respectively by the end leveling component and the side leveling component; the upper pressure assembly is mounted above the support assembly, and the upper pressure assembly outputs power in the vertical direction for pressing and leveling the battery from the upper part.

[0006] Preferably, the support assembly also includes a base, a slide rail, an extension support and an elastic support, wherein the base is horizontally arranged; the slide rail includes two slide rails, which are arranged on the base in parallel and at intervals, and extend linearly in the front and rear directions respectively; the extension support includes two extension supports, which are respectively arranged on the front side of the base; the elastic support is horizontally arranged between the two slide rails; and at least two vertical mounting holes extending downward in the vertical direction are provided on the elastic support and the extension support.

[0007] Preferably, the elastic support component is arranged between the two slide rails and on the extended support; the elastic support component includes a ball, a ball cover plate and a ball spring, wherein the ball spring includes at least two, and the at least two ball springs are respectively arranged in at least two mounting vertical holes; the ball includes at least two, and the at least two balls are respectively arranged on at least two ball springs, and the balls are flexibly supported in the vertical direction by the ball springs, and the balls rotate freely in the mounting vertical holes; the ball cover plate includes at least two pieces, and at least two ball cover plates are respectively arranged on the extended support and the elastic support, and a circular through groove is opened on the ball cover plate for being sleeved on the ball to limit the ball from above, and the ball passes through the circular through groove and protrudes to the top of the ball cover plate, so as to contact and support the test support.

[0008] Preferably, the driving assembly includes two groups, and the two groups of driving assemblies are respectively arranged on the sides of the two slide rails; the driving assembly includes a driving motor, a main driving seat, a shifting post and an auxiliary driving seat, wherein the driving motor is arranged on the base and outputs linear force along the direction of the slide rail; the main driving seat is sleeved on the driving motor and moves linearly when driven by the driving motor; the auxiliary driving seat is slidably arranged on the slide rail; at least two shifting posts are respectively provided on the main driving seat and the auxiliary driving seat, and at least two shifting posts extend vertically upward and are inserted into the test support from below to drive the test support to move; the shifting posts can be movably inserted in the test support to avoid motion interference when the test support adjusts its position.

[0009] Preferably, the test support platform includes a slide, an extension slide and a reference limit bar, wherein the slide is horizontally arranged on the drive assembly; the extension slide includes two pieces, and the two extension slides 32 are respectively horizontally connected to the two ends of the slide; the reference limit bar is arranged on the slide; the side leveling component is arranged corresponding to the reference limit bar, and a placement space is formed between the two, which is used to place the battery and press the battery to the reference limit bar from one side; the end leveling component includes two groups, and the two groups of end leveling components are respectively arranged at the two ends of the placement space, which are used to press and flatten the battery from both ends.

[0010] Preferably, the end leveling component includes a first support, an end push cylinder, a first pressure sensor, an end pressure seat and a first flatness sensor, wherein the first support is vertically arranged on the slide; the end push cylinder is arranged on the outside of the first support, and the output end passes through the first support and extends toward the battery; the first pressure sensor is arranged on the output end of the end push cylinder; the end pressure seat is connected to the first pressure sensor, and a first inwardly recessed mounting groove is provided on the end pressure seat; a test groove is provided on the side of the first mounting groove close to the battery; the end push cylinder drives the end pressure seat to approach and flatten the end face of the battery from the outer end through the first pressure sensor; the first flatness sensor is arranged in the first mounting groove, and its test end passes through the test groove, which is used to perform flatness detection on the end face of the battery while the end pressure seat flattens the battery.

[0011] Preferably, the side leveling component includes a second support, a side pressure cylinder, a second pressure sensor, a side pressure seat, a side pressure block and a second flatness sensor, wherein the second support is vertically arranged on the slide and is arranged parallel to and spaced from the reference limit bar; the side pressure cylinder is arranged on the outer wall of the second support, and the output end extends through the second support toward the battery; the second pressure sensor is connected to the output end of the side pressure cylinder; the side pressure seat is connected to the second pressure sensor, and a side pressure block is connected to the side of the side pressure seat close to the battery; a second inwardly recessed installation groove is provided on the side pressure block, and a second flatness sensor is provided in the second installation groove, and a detection end of the second flatness sensor passes through the side pressure block, so as to perform flatness detection on the side of the battery when the side pressure block flattens the battery.

[0012] Preferably, the upper pressure assembly includes an upper pressure bracket, an upper pressure support plate, an upper pressure cylinder, a balancing cylinder, a guide column, a connecting seat, a floating connecting piece and a floating pressure plate, wherein the upper pressure bracket is mounted on the supporting assembly; the upper pressure support plate is horizontally arranged on the top of the upper pressure bracket; the upper pressure cylinder and the balancing cylinder are arranged on the upper pressure support plate, and the output ends extend downward through the upper pressure support plate respectively; the connecting seat is horizontally arranged below the upper pressure support plate and is connected to the output ends of the upper pressure cylinder and the balancing cylinder; the guide column includes at least two, at least two guide columns are vertically arranged on the connecting seat, and are inserted into the upper pressure support plate, and are slidably connected to the upper pressure support plate, and are used for guiding and limiting when the connecting seat moves up and down; the floating pressure plate is horizontally arranged below the connecting seat, and is connected to the connecting seat through a floating connecting piece, and is used for pressing the battery down from above; the side of the floating pressure plate is provided with a distance sensor, which is used to detect the relative height with the battery below during the pressing process.

[0013] Preferably, the floating connecting member includes a connecting rod and a floating spring, wherein the connecting rod is vertically inserted on the connecting seat and connected to the floating pressure plate, and the connecting rod and the floating pressure plate are slidably connected in the vertical direction; the floating spring is sleeved on the connecting rod, and the two ends of the floating spring are respectively connected to the floating pressure plate and the connecting seat, so as to provide buffering when the floating pressure plate presses down the battery.

[0014] A testing machine including a power battery testing module.

[0015] The beneficial effects of the present invention are: In view of the defects and shortcomings of the prior art, the present invention independently develops and designs a power battery test module and a test machine thereof, which can realize automatic load-bearing and fixation of the power battery, and has the function of real-time detection of pressure and flatness while fixing the battery by side pressure and end pressure, thereby effectively ensuring the uniformity of force on the side wall of the battery and the flatness of its surface during side pressure and end pressure. At the same time, it has a floating upper pressure function, which can realize upper pressure buffering while cooperating with the flexible rolling support of the test support, so that the angle and flatness of the battery can be adaptively adjusted during the upper pressure process, thereby improving the test accuracy.

[0016] The present invention aims to provide a testing process segment applied to the power battery manufacturing process, which belongs to a device for carrying, positioning and clamping batteries in the power battery automated testing process. Its function is to ensure the battery position accuracy and the consistency of battery surface force and flatness during the battery automated testing process, so as to achieve precise docking of the test circuit during the automated testing process, reduce the interference of external force changes on the test results, and improve the test accuracy. Specifically, the present invention as a whole comprises a support assembly, a drive assembly, a test support platform and an upper pressure assembly. The support assembly is horizontally arranged on the machine platform of the test machine to play a bearing and supporting role. The test support platform is arranged on the support assembly to carry and clamp the battery and is movably connected to the bearing assembly so as to realize the taking and placing of the battery by automatically extending or extending. The drive assembly is arranged on the support assembly and is located below the test support platform. The output end of the drive assembly is connected to the test support platform. The drive assembly is used as a power mechanism to drive the test support platform to extend or extend in a straight line along the front and rear direction on the support assembly. The upper pressure assembly is mounted above the support assembly and outputs power in the vertical direction to flatten and fix the battery on the extended test support platform from above so that the battery can be subsequently connected to the test circuit for parameter testing.

[0017] Specifically, the present invention adopts an elastic support component as the direct contact and bearing structure of the movable test support, and realizes rolling support for the test support through multiple raised and rotatable balls as contact components, which can effectively reduce the sliding friction of the test support during the loading and unloading of batteries on the test support; at the same time, the balls are supported by the ball springs below, so that the entire test support has flexible support in the vertical direction, and has the function of real-time adjustment of flatness, so that the batteries placed thereon can adjust the flatness in real time according to the test requirements during the test process.

[0018] In addition, the driving component of the present invention is used to drive the test support to move back and forth on the supporting component in a straight line, so as to take and place the battery on the test support during the test process; the special feature is that the driving component of the present invention adopts an upper hook connection method to connect the test support, and the driving component is hooked into the connection method of the test support through a lever, and the lever is used as a driving execution structure to drive the test support to move in a straight line. Compared with the traditional straight-push connection structure, the lever is movably connected to the test support, thereby achieving the driving of the test support while avoiding the motion interference problem caused by adjusting the flatness of the test support; in the specific design process, a socket can be set at the bottom of the test support, and the lever can be inserted into the socket from bottom to top and slide freely in the socket. At the same time, the inner diameter of the socket can be designed to be larger than the outer diameter of the lever, so that the lever can move in the vertical direction in the socket and fine-tune the relative angle with the socket.

[0019] Furthermore, the test support of the present invention is used to carry and fix the battery to be tested, and the focus support uses a slide as a bearing structure. During the design process, the slide can be extended and connected on both sides of the slide according to the length of the battery; a reference limit strip of a strip structure is set on the front side of the slide as a limit reference edge, and a side leveling component is set at a parallel interval on the rear side of the reference limit strip, and a placement space is formed between the two for placing the battery; end leveling components are respectively set on the left and right sides of the placement space; after the battery is placed, the side leveling component and the two groups of end leveling components are respectively pressed against the battery from the rear side and the left and right sides to realize the battery clamping The battery side walls can be flattened while being tightened; the special feature is that the end leveling component and the side leveling component of the present invention are respectively provided with a first pressure sensor and a second pressure sensor on the transmission path, and the pressure sensors can monitor the pressure in the process of compacting the battery in real time to avoid damage to the battery due to excessive pressure; in addition, the end pressure seat and the side pressure block of the end leveling component and the side leveling component used to compact the battery are respectively provided with a first flatness sensor and a second flatness sensor, which realizes real-time monitoring of the flatness of the battery side walls while compacting the battery to ensure the flatness of the battery surface during the test.

[0020] Furthermore, the upper pressure assembly of the present invention is an actuator assembly for pressing the battery upward during the test process. The upper pressure assembly uses an upper pressure bracket mounted on the base as a bearing structure, and an upper pressure support plate is horizontally arranged on the top of the upper pressure bracket. The upper pressure cylinder and the balancing cylinder arranged on the upper pressure support plate serve as power output structures. The upper pressure cylinder is an upper pressure driving component to drive the lower connecting seat and the floating pressure plate to move downward, so as to realize flat pressing of the battery from above; the balancing cylinder provides upward power to balance the effect of gravity; the special feature is that the floating pressure plate of the present invention is connected to the lower part of the connecting seat by a floating connecting piece. This floating connection method enables a gap space for buffering adjustment between the floating pressure plate and the connecting seat, thereby playing a buffering role in the process of pressing the battery downward, and also enables the floating pressure plate to press the battery downward. The battery has an angle and position adaptive adjustment function during the charging process to maintain the surface flatness of the battery during the downward pressure process; specifically, the floating connector can use a connecting rod and a floating spring as the connecting structure, and the upper and lower ends of the connecting rod are respectively connected to the upper connecting seat and the lower floating pressure plate, and the upper and lower ends of the connecting rod can be provided with a cap body structure with a diameter larger than the outer diameter of the rod body, which is respectively buckled on the connecting seat and the floating pressure plate through the cap body structure, and at the same time, the vertical mobility between the connecting rod and the floating pressure plate is ensured; in addition, when the lower end of the connecting rod is inserted into the floating pressure plate, a step groove body can be opened in the floating pressure plate, and the step groove body is used to buckle the cap body at the lower end of the connecting rod from above, and at the same time, the groove body diameter at the lower part of the step groove body is larger than the outer diameter of the cap body, so that the cap body can slide freely vertically therein. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention.

[0022] Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present invention.

[0024] Figure 4 This is one of the three-dimensional structural schematic diagrams of the upper pressing assembly of the present invention.

[0025] Figure 5 This is the second schematic diagram of the three-dimensional structure of the upper pressing assembly of the present invention.

[0026] Figure 6 One of the three-dimensional structural diagrams of the support assembly, drive assembly and test stand of the present invention Figure 7 This is the second schematic diagram of the three-dimensional structure of the support assembly, the drive assembly and the test stand of the present invention.

[0027] Figure 8 This is one of the three-dimensional structural schematic diagrams of the support assembly and the drive assembly of the present invention.

[0028] Fig. 9 This is the second schematic diagram of the three-dimensional structure of the support assembly and the drive assembly of the present invention.

[0029] Fig.10 for Figure 8 The enlarged structural diagram at point I in the middle.

[0030] Fig.11 This is the third schematic diagram of the three-dimensional structure of the support assembly and the drive assembly of the present invention.

[0031] Fig.12 for Fig.11 The enlarged structural diagram at II in the middle.

[0032] Fig.13 This is one of the three-dimensional structural schematic diagrams of the test support platform of the present invention.

[0033] Fig.14 This is the second schematic diagram of the three-dimensional structure of the test support platform of the present invention.

[0034] Fig.15 This is the third schematic diagram of the three-dimensional structure of the test support platform of the present invention.

[0035] Fig.16 This is the second schematic diagram of the three-dimensional structure of the test support platform of the present invention.

[0036] Fig.17 Fig.13 Enlarged structural diagram at point III in the middle.

[0037] Fig.18 Fig.13 Enlarged structural diagram of IV in the middle.

[0038] In the figure: 1. Support assembly; 2. Drive assembly; 3. Test support; 4. Upper pressure assembly; 0. Battery; 11. Base; 12. Slide rail; 13. Extension support; 14. Elastic support; 15. Ball; 16. Ball cover; 17. Ball spring; 21. Driving motor; 22. Main driving seat; 23. Shifting column; 24. Auxiliary driving seat; 31. Slide; 32. Extended slide; 33. Reference limit strip; 34. End leveling component; 35. Side leveling component; 343, first support; 344, end push cylinder; 345, first pressure sensor; 346, end pressure seat; 347, first flatness sensor; A, first mounting slot; B, test slot; 351, second support; 352, side pressure cylinder; 353, second pressure sensor; 354, side pressure seat; 355, side pressure block; 356, second flatness sensor; C, second mounting groove; 41. Upper pressure bracket; 42. Upper pressure support plate; 43. Upper pressure cylinder; 44. Balance cylinder; 45. Guide column; 46. Connecting seat; 47. Connecting rod; 48. Floating spring; 49. Floating pressure plate; 410. Distance sensor. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0042] like Figures 1 to 3 , Figure 6 to Figure 7As shown, the present invention proposes a power battery test module, which is arranged in a battery test machine and is used for battery testing, including a support component 1, a drive component 2, a test support platform 3 and an upper pressure component 4, wherein the support component 1 is horizontally arranged on the machine platform of the battery test machine; the support component 1 includes an elastic support component, which is used to contact and support the test support platform 3 above and is rollingly connected to the test support platform 3 so that the test support platform 3 can be linearly inserted and pulled to take and place the battery 0; the elastic support component flexibly supports the test support platform 3 in the vertical direction, so that the position of the test support platform 3 in the vertical direction is adjustable ; The driving component 2 is arranged on the supporting component and outputs power in a linear direction; the testing support platform 3 is slidably arranged on the supporting component 1, and extends horizontally to the top of the driving component 2, and is connected to the output end of the driving component 2, and is driven by the driving component 2 to move linearly on the supporting component 1; a battery 0 is placed on the testing support platform 3, and the battery 0 is pressed and flattened from the end and side of the battery 0 respectively by the end leveling component 34 and the side leveling component 35; the upper pressing component 4 is mounted above the supporting component 1, and the upper pressing component 4 outputs power in a vertical direction, and is used to press and flatten the battery 0 from above.

[0043] The support assembly 1 also includes a base 11, a slide rail 12, an extension support 13 and an elastic support 14, wherein the base 11 is horizontally arranged; the slide rail 12 includes two, the two slide rails 12 are arranged on the base 11 in parallel and spaced apart, and extend linearly in the front and rear directions respectively; the extension support 13 includes two, the two extension supports 13 are respectively arranged on the front side of the base 11; the elastic support 14 is horizontally arranged between the two slide rails 12; the elastic support 14 and the extension support 13 are provided with at least two vertical mounting holes extending downward in the vertical direction. Example 2

[0044] like Figure 11 to Figure 12 As shown, as an embodiment of the present invention, the elastic support component of the present invention is arranged between the two slide rails 12 and on the extension support 13; the elastic support component includes a ball 15, a ball cover plate 16 and a ball spring 17, wherein the ball spring 17 includes at least two, and the at least two ball springs 17 are respectively arranged in at least two mounting vertical holes; the ball 15 includes at least two, and the at least two balls 15 are respectively arranged on the at least two ball springs 17, and the ball 15 is freely rotated in the mounting vertical holes through the flexible support of the ball spring 17 in the vertical direction; the ball cover plate 18 includes at least two, and the at least two ball cover plates 18 are respectively arranged on the extension support 13 and the elastic support 14, and a circular through groove is opened on the ball cover plate 18 for being sleeved on the ball 15 to limit the ball 15 from above, and the ball 15 passes through the circular through groove and protrudes to the top of the ball cover plate 18, so as to contact and carry the test support 3.

[0045] The present invention adopts an elastic supporting component as the direct contact and bearing structure of the movable test support 3, and realizes rolling support for the test support 3 through multiple raised and rotatable balls 15 as contact components, which can effectively reduce the sliding friction of the test support 3 during the process of loading and unloading the battery 0 on the test support 3; at the same time, the ball 15 is supported by the ball spring 17 below, so that the entire test support 3 has flexible support in the vertical direction, so that it has the function of real-time adjustment of flatness, so that the battery 0 placed thereon can adjust the flatness in real time according to the test requirements during the test process. Example 3

[0046] like Figures 8 to 10 As shown, as an embodiment of the present invention, the driving assembly of the present invention includes two groups, and the two groups of driving assemblies are respectively arranged on the sides of the two slide rails 12; the driving assembly includes a driving motor 21, a main driving seat 22, a shifting post 23 and an auxiliary driving seat 24, wherein the driving motor 21 is arranged on the base 11, and outputs linear power along the direction of the slide rail 12; the main driving seat 22 is sleeved on the driving motor 21, and moves linearly driven by the driving motor 21; the auxiliary driving seat 24 is slidably arranged on the slide rail 12; at least two shifting posts 23 are respectively provided on the main driving seat 22 and the auxiliary driving seat 24, and at least two shifting posts 23 extend vertically upward and are inserted into the test support 3 from the bottom, so as to drive the test support 3 to move; the shifting post 23 is movably inserted in the test support 3 to avoid motion interference when the test support 3 adjusts its position.

[0047] The driving component of the present invention is used to drive the test support 3 to move back and forth on the supporting component 1 in a straight line, so as to take and place the battery 0 on the test support 3 during the test process; the special feature is that the driving component of the present invention adopts an upper hook connection method to connect the test support 3, and the driving component is hooked into the connection method of the test support 3 through the lever 23, and the lever 23 is used as a driving execution structure to drive the test support 3 to move in a straight line. Compared with the traditional straight push connection structure, the lever 23 is movably connected to the test support 3, so that while realizing the driving of the test support 3, the motion interference problem caused by adjusting the flatness of the test support 3 is avoided; in the specific design process, a socket can be set at the bottom of the test support 3, and the lever 23 can be inserted into the socket from bottom to top and slide freely in the socket. At the same time, the inner diameter of the socket can be designed to be larger than the outer diameter of the lever 23, so that the lever 23 can move in the vertical direction in the socket and fine-tune the relative angle with the socket. Example 4

[0048] like Figures 13 to 18As shown, as an embodiment of the present invention, the test support 3 of the present invention includes a slide 31, an extension slide 32 and a reference limit strip 33, wherein the slide 31 is horizontally arranged on the drive assembly 2; the extension slide 32 includes two pieces, and the two extension slides 32 are horizontally connected to the two ends of the slide 32 respectively; the reference limit strip 33 is arranged on the slide 31; the side leveling component 35 is arranged corresponding to the reference limit strip 33, and a placement space is formed therebetween for placing the battery 0 and pressing the battery 0 against the reference limit strip 33 from one side; the end leveling component 34 includes two groups, and the two groups of end leveling components 34 are respectively arranged at the two ends of the placement space, for pressing and flattening the battery 0 from both ends.

[0049] The end leveling component 34 includes a first support 343, an end push cylinder 344, a first pressure sensor 345, an end pressure seat 346 and a first flatness sensor 347, wherein the first support 343 is vertically arranged on the slide 31; the end push cylinder 344 is arranged on the outside of the first support 343, and the output end passes through the first support 343 and extends toward the direction of the battery 0; the first pressure sensor 345 is arranged on the output end of the end push cylinder 344; the end pressure seat 346 is connected to the first pressure sensor 345, and a first inwardly recessed mounting groove A is provided on the end pressure seat 346; a test groove B is provided on the side of the first mounting groove A close to the battery 0; the end push cylinder 344 drives the end pressure seat 346 to approach and flatten the end face of the battery 0 from the outer end through the first pressure sensor 345; the first flatness sensor 347 is arranged in the first mounting groove A, and its test end passes through the test groove B, which is used to detect the flatness of the end face of the battery 0 while the end pressure seat 346 flattens the battery 0.

[0050] The side leveling component includes a second support 351, a side pressure cylinder 352, a second pressure sensor 353, a side pressure seat 354, a side pressure block 355 and a second flatness sensor 356, wherein the second support 351 is vertically arranged on the slide 31 and is arranged parallel to and spaced from the reference limit strip 33; the side pressure cylinder 352 is arranged on the outer side wall of the second support 351, and the output end passes through the second support 351 and extends toward the battery 0; the second pressure sensor 353 is connected to the output end of the side pressure cylinder 352; the side pressure seat 354 is connected to the second pressure sensor 353, and a side pressure block 355 is connected to the side of the side pressure seat 354 close to the battery 0; a second mounting groove C recessed inwardly is provided on the side pressure block 355, and a second flatness sensor 356 is arranged in the second mounting groove C, and a detection end of the second flatness sensor 356 passes through the side pressure block 355, so as to detect the flatness of the side of the battery 0 when the side pressure block 355 flattens the battery 0.

[0051] The test support 3 of the present invention is used to carry and fix the battery 0 to be tested, and the support 3 uses a slide 31 as a bearing structure. During the design process, the slide 32 can be extended and connected on both sides of the slide 31 according to the length of the battery 0; a reference limit strip 33 with a strip structure is set on the front side of the slide 31 as a limit reference edge, and a side leveling component 35 is set at a parallel interval on the rear side of the reference limit strip 33, and a placement space is formed between the two for placing the battery 0; the left and right sides of the placement space are respectively provided with end leveling components 34; after the battery 0 is placed, the side leveling component 35 and the two groups of end leveling components 34 are respectively pressed against the battery 0 from the rear side and the left and right sides, so that the battery 0 is clamped and completed at the same time. Leveling of the side walls of paired batteries 0; the special feature is that the end leveling component 34 and the side leveling component 35 of the present invention are respectively provided with a first pressure sensor 345 and a second pressure sensor 353 on the transmission path, and the pressure sensor can monitor the pressure in the process of pressing the battery 0 in real time to avoid damage to the battery 0 due to excessive pressure; in addition, the end pressure seat 346 and the side pressure block 355 of the end leveling component 34 and the side leveling component 35 are respectively provided with a first flatness sensor 347 and a second flatness sensor 356, which realizes real-time monitoring of the flatness of the side wall of the battery 0 while pressing the battery 0 to ensure the surface flatness of the battery 0 during the test. Example 5

[0052] like Figures 4 to 5 As shown, as an embodiment of the present invention, the upper pressure assembly 4 of the present invention includes an upper pressure bracket 41, an upper pressure support plate 42, an upper pressure cylinder 43, a balancing cylinder 44, a guide column 45, a connecting seat 46, a floating connecting piece and a floating pressure plate 49, wherein the upper pressure bracket 41 is mounted on the support assembly 1; the upper pressure support plate 42 is horizontally arranged on the top of the upper pressure bracket 41; the upper pressure cylinder 43 and the balancing cylinder 44 are arranged on the upper pressure support plate 42, and the output ends respectively pass through the upper pressure support plate 42 and extend downward; the connecting seat 46 is horizontally arranged below the upper pressure support plate 42, and It is connected to the output ends of the upper pressure cylinder 43 and the balancing cylinder 44; the guide pillars 45 include at least two, at least two guide pillars 45 are vertically arranged on the connecting seat 46, and are inserted into the upper pressure support plate 42, and are slidably connected to the upper pressure support plate 42, and are used for guiding and limiting when the connecting seat 46 moves up and down; the floating pressure plate 49 is horizontally arranged below the connecting seat 46, and is connected to the connecting seat 46 through a floating connecting piece, and is used for pressing the battery 0 from above; the side of the floating pressure plate 49 is provided with a distance sensor 410, which is used to detect the relative height with the battery 0 below during the pressing process.

[0053] The floating connecting member includes a connecting rod 47 and a floating spring 48, wherein the connecting rod 47 is vertically inserted on the connecting seat 46 and connected to the floating pressure plate 49, and the connecting rod 47 and the floating pressure plate 49 are slidably connected along the vertical direction; the floating spring 48 is sleeved on the connecting rod 47, and the two ends of the floating spring 48 are respectively connected to the floating pressure plate 49 and the connecting seat 46, so as to provide buffering when the floating pressure plate 49 presses down the battery 0.

[0054] The upper pressing assembly 4 of the present invention is an executive assembly for pressing the battery 0 during the test process. The upper pressing assembly 4 uses an upper pressing bracket 41 mounted on the base 11 as a bearing structure. An upper pressing support plate 42 is horizontally arranged on the top of the upper pressing bracket 41. An upper pressing cylinder 43 and a balancing cylinder 44 are arranged on the upper pressing support plate 42 as a power output structure. The upper pressing cylinder 43 is an upper pressing driving component to drive the lower connecting seat 46 and the floating pressing plate 49 to move downward, so as to realize pressing the battery 0 from above; the balancing cylinder 44 provides upward power to balance the gravity; the special feature is that the floating pressing plate 49 of the present invention is connected to the lower part of the connecting seat through a floating connecting piece. This floating connection method enables a gap space for buffering adjustment between the floating pressing plate 49 and the connecting seat 46, thereby playing a buffering role in the process of pressing the battery 0 downward, and also enables the floating pressing plate 49 has the function of adaptively adjusting the angle and position during the process of pressing the battery down, so as to maintain the surface flatness of the battery 0 during the pressing process; specifically, the floating connecting piece can use a connecting rod 47 and a floating spring 48 as the connecting structure, and the upper and lower ends of the connecting rod 47 are respectively connected to the upper connecting seat and the lower floating pressure plate, and the upper and lower ends of the connecting rod 47 can be provided with a cap body structure with a diameter larger than the outer diameter of the rod body, and the cap body structure is respectively buckled on the connecting seat and the floating pressure plate, and at the same time, the vertical mobility of the connecting rod 47 and the floating pressure plate is ensured; in addition, when the lower end of the connecting rod 47 is inserted into the floating pressure plate 49, a step groove body can be opened in the floating pressure plate 49, and the step groove body is used to buckle the cap body at the lower end of the connecting rod 47 from the top, and at the same time, the groove body diameter at the lower part of the step groove body is larger than the outer diameter of the cap body, so that the cap body can slide freely vertically therein. Example 6

[0055] As an embodiment of the present invention, the present invention discloses a testing machine including a power battery testing module.

[0056] The embodiments of the present invention are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by this embodiment, so any equivalent changes or modifications made according to the scope of the patent of the present invention are within the scope of the patent claims of the present invention.

Claims

1. A power battery test module, arranged in a battery tester, for battery testing, characterized in that: It comprises a support assembly (1), a drive assembly (2), a test support platform (3) and an upper pressure assembly (4), wherein: The support assembly (1) is horizontally arranged on a platform of a battery tester; the support assembly (1) comprises an elastic support component, the elastic support component is used to contact and support the test support platform (3) above, and is rollingly connected to the test support platform (3) so that the test support platform (3) can perform linear insertion and extraction movements to remove and place the battery (0); the elastic support component flexibly supports the test support platform (3) in the vertical direction, so that the position of the test support platform (3) in the vertical direction is adjustable; The driving assembly (2) is arranged on the supporting assembly and outputs power in a linear direction; The test support platform (3) is slidably arranged on the support component (1), extends horizontally to above the drive component (2), is connected to the output end of the drive component (2), and is driven by the drive component (2) to move linearly on the support component (1); A battery (0) is placed on the test support (3), and the battery (0) is pressed and flattened from the end and side of the battery (0) respectively by an end flattening component (34) and a side flattening component (35); The upper pressing assembly (4) is mounted above the supporting assembly (1), and the upper pressing assembly (4) outputs power in a vertical direction, so as to press and level the battery (0) from above.

2. A power battery test module according to claim 1, characterized in that: The support assembly (1) further comprises a base (11), a slide rail (12), an extension support (13) and an elastic support (14), wherein the base (11) is arranged horizontally; the slide rail (12) comprises two slide rails (12), the two slide rails (12) are arranged on the base (11) in parallel and at intervals, and extend linearly in the front-rear direction respectively; the extension support (13) comprises two extension supports (13), the two extension supports (13) are arranged on the front side of the base (11) respectively; the elastic support (14) is arranged horizontally between the two slide rails (12); and at least two vertical mounting holes extending downward in the vertical direction are provided on the elastic support (14) and the extension support (13).

3. A power battery test module according to claim 2, characterized in that: The elastic support component is arranged between the two slide rails (12) and on the extension support (13); the elastic support component comprises a ball (15), a ball cover plate (16) and a ball spring (17), wherein the ball spring (17) comprises at least two, and the at least two ball springs (17) are respectively arranged in at least two mounting vertical holes; the ball (15) comprises at least two, and the at least two balls (15) are respectively arranged on the at least two ball springs (17), and the ball springs (16) are respectively arranged on the at least two ball springs (17). 17) is flexibly supported in the vertical direction, and the ball (15) rotates freely in the mounting vertical hole; the ball cover plate (18) comprises at least two pieces, and the at least two ball cover plates (18) are respectively arranged on the extension support (13) and the elastic support (14); a circular through groove is opened on the ball cover plate (18) for being sleeved on the ball (15) and limiting the ball (15) from the top; the ball (15) passes through the circular through groove and protrudes to the top of the ball cover plate (18) for contacting and bearing the test support (3).

4. A power battery test module according to claim 2, characterized in that: The drive assembly comprises two groups, and the two groups of drive assemblies are respectively arranged on the sides of the two slide rails (12); the drive assembly comprises a drive motor (21), a main drive seat (22), a shifting post (23) and an auxiliary drive seat (24), wherein the drive motor (21) is arranged on the base (11) and outputs linear power along the direction of the slide rail (12); the main drive seat (22) is sleeved on the drive motor (21) and is driven by the drive motor (21) to move linearly; the auxiliary drive seat (24) is slidably arranged on the slide rail (12); at least two shifting posts (23) are respectively arranged on the main drive seat (22) and the auxiliary drive seat (24), and the at least two shifting posts (23) extend vertically upward and are inserted into the test support (3) from below, so as to drive the test support (3) to move; the shifting posts (23) are movably inserted into the test support (3) to avoid motion interference when the test support (3) adjusts its position.

5. A power battery test module according to claim 1, characterized in that: The test support (3) comprises a slide (31), an extension slide (32) and a reference limit strip (33), wherein the slide (31) is horizontally arranged on the drive assembly (2); the extension slide (32) comprises two pieces, and the two extension slides (32) are respectively horizontally connected to the two ends of the slide (32); the reference limit strip (33) is arranged on the slide (31); the side leveling component (35) is arranged corresponding to the reference limit strip (33), and a placement space is formed between the two, which is used to place the battery (0) and press the battery (0) against the reference limit strip (33) from one side; the end leveling component (34) comprises two groups, and the two groups of end leveling components (34) are respectively arranged at the two ends of the placement space, and are used to press and level the battery (0) from the two ends.

6. A power battery test module according to claim 5, characterized in that: The end flattening component (34) comprises a first support (343), an end push cylinder (344), a first pressure sensor (345), an end pressure seat (346) and a first flatness sensor (347), wherein the first support (343) is vertically arranged on the slide seat (31); the end push cylinder (344) is arranged on the outside of the first support (343), and the output end passes through the first support (343) and extends toward the battery (0); the first pressure sensor (345) is arranged on the output end of the end push cylinder (344); the end pressure seat (346) is connected to the first pressure sensor (347) and the output end of the end push cylinder (344) extends toward the battery (0); On the sensor (345), an end pressure seat (346) is provided with a first mounting groove (A) recessed inwardly; a test slot (B) is provided on a side of the first mounting groove (A) close to the battery (0); the end push cylinder (344) drives the end pressure seat (346) to approach and press the end surface of the battery (0) from the outer end through the first pressure sensor (345); the first flatness sensor (347) is arranged in the first mounting groove (A), and its test end passes through the test slot (B), so as to detect the flatness of the end surface of the battery (0) while the end pressure seat (346) presses the battery (0).

7. A power battery test module according to claim 5, characterized in that: The side leveling component comprises a second support (351), a side pressure cylinder (352), a second pressure sensor (353), a side pressure seat (354), a side pressure block (355) and a second flatness sensor (356), wherein the second support (351) is vertically arranged on the slide seat (31) and is arranged parallel to and spaced from the reference limit bar (33); the side pressure cylinder (352) is arranged on the outer side wall of the second support (351), and the output end passes through the second support (351) and extends toward the battery (0); the second pressure sensor (353) is connected to the side pressure block (355) and the second flatness sensor (356) is connected to the side pressure block (356) and the second pressure sensor (353) is connected to the side pressure block (355) and the second pressure sensor (356) is connected to the side pressure block (35 ... connected to the output end of the side pressure cylinder (352); the side pressure seat (354) is connected to the second pressure sensor (353); a side of the side pressure seat (354) close to the battery (0) is connected to a side pressure block (355); a second mounting groove (C) recessed inwards is formed on the side pressure block (355); a second flatness sensor (356) is arranged in the second mounting groove (C); a detection end of the second flatness sensor (356) passes through the side pressure block (355) so as to detect the flatness of the side surface of the battery (0) when the side pressure block (355) flattens the battery (0).

8. A power battery test module according to claim 1, characterized in that: The upper pressure assembly (4) comprises an upper pressure bracket (41), an upper pressure support plate (42), an upper pressure cylinder (43), a balancing cylinder (44), a guide column (45), a connecting seat (46), a floating connecting piece and a floating pressure plate (49), wherein the upper pressure bracket (41) is mounted on the support assembly (1); the upper pressure support plate (42) is horizontally arranged on the top of the upper pressure bracket (41); the upper pressure cylinder (43) and the balancing cylinder (44) are arranged on the upper pressure support plate (42), and the output ends thereof respectively pass through the upper pressure support plate (42) and extend downward; the connecting seat (46) is horizontally arranged below the upper pressure support plate (42) and is connected to the upper pressure cylinder ( 43) and the output end of the balancing cylinder (44); the guide pillars (45) include at least two, the at least two guide pillars (45) are vertically arranged on the connecting seat (46), inserted into the upper pressure support plate (42), and slidably connected to the upper pressure support plate (42), and are used for guiding and limiting when the connecting seat (46) moves up and down; the floating pressure plate (49) is horizontally arranged below the connecting seat (46), and is connected to the connecting seat (46) through a floating connecting piece, and is used for pressing the battery (0) from above; the side of the floating pressure plate (49) is provided with a distance sensor (410), which is used for detecting the relative height with the battery (0) below during the pressing process.

9. A power battery test module according to claim 8, characterized in that: The floating connection member comprises a connecting rod (47) and a floating spring (48), wherein the connecting rod (47) is vertically inserted into the connecting seat (46) and connected to the floating pressure plate (49), and the connecting rod (47) and the floating pressure plate (49) are slidably connected in the vertical direction; the floating spring (48) is sleeved on the connecting rod (47), and the two ends of the floating spring (48) are respectively connected to the floating pressure plate (49) and the connecting seat (46), so as to provide a buffer when the floating pressure plate (49) presses down the battery (0).

10. A testing machine comprising the power battery testing module according to claim 1.

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