WO2024255313A1 - 检测装置及用于电芯检测的检测方法 - Google Patents

检测装置及用于电芯检测的检测方法 Download PDF

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Publication number
WO2024255313A1
WO2024255313A1 PCT/CN2024/078558 CN2024078558W WO2024255313A1 WO 2024255313 A1 WO2024255313 A1 WO 2024255313A1 CN 2024078558 W CN2024078558 W CN 2024078558W WO 2024255313 A1 WO2024255313 A1 WO 2024255313A1
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WO
WIPO (PCT)
Prior art keywords
detection
battery cell
rotating
detector
rotating disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2024/078558
Other languages
English (en)
French (fr)
Inventor
陈志强
李元景
张丽
李亮
洪明志
常铭
王子楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Nuctech Co Ltd
Original Assignee
Tsinghua University
Nuctech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Nuctech Co Ltd filed Critical Tsinghua University
Priority to KR1020257021738A priority Critical patent/KR20250112901A/ko
Priority to EP24822271.3A priority patent/EP4726379A1/en
Priority to JP2025538736A priority patent/JP2026502972A/ja
Publication of WO2024255313A1 publication Critical patent/WO2024255313A1/zh
Priority to MX2025007639A priority patent/MX2025007639A/es
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/18—Investigating the presence of flaws defects or foreign matter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/309—Accessories, mechanical or electrical features support of sample holder
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/33—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/645—Specific applications or type of materials quality control

Definitions

  • the present disclosure relates to the field of nondestructive testing, and in particular to a testing device and a testing method for battery cell testing.
  • the detector and the optical machine scan the battery cell statically, and the position accuracy and deformation of the battery cell corners to be detected are required to be high. During the detection process, it is affected by objective factors such as the battery cell position and battery cell corner deformation, resulting in difficulty in improving the detection quality and a high misjudgment rate.
  • the present disclosure provides a detection device.
  • the present disclosure also aims to provide a detection method for telecommunication detection, wherein the detection method uses the above detection device to detect a battery cell.
  • the detection device comprises: a support mechanism, a rotating mechanism, a transmission mechanism and a detection mechanism.
  • the rotating mechanism is arranged on the support mechanism; the transmission mechanism is suitable for transmitting the battery cell; the detection mechanism is arranged on the rotating mechanism, and the detection mechanism comprises: a ray source and a detector, the ray source and the detector are suitable for detecting the battery cell on the transmission mechanism, and the ray source and the detector are suitable for circumferential rotation on the rotating mechanism.
  • a rotating mechanism is disposed on a supporting mechanism, and a detection mechanism is disposed on the rotating mechanism.
  • the detection mechanism can rotate circumferentially on the rotating mechanism, and the conveying mechanism is used to convey the battery cells.
  • the conveying mechanism first conveys the battery cells to the detection area, and the radiation source and detector of the detection mechanism rotate circumferentially on the rotating mechanism, and then detects the battery cells located in the detection area.
  • the detection area is the area between the line connecting the radiation source and the detector, and the detection mechanism can detect the battery cells in this area.
  • the detection mechanism can perform multi-directional detection of the battery cells by rotating circumferentially on the rotating mechanism, from The electrode alignment and welding condition of each battery cell are checked, and there are no requirements for the placement position and angle of the battery cell on the conveying mechanism.
  • the rotating mechanism includes: a rotating bracket and a rotating disk, the rotating bracket is disposed on the supporting mechanism, the rotating disk can rotate circumferentially relative to the rotating bracket, and the rotating disk is used to fix the radiation source and the detector.
  • the ray source and the detector may move in the diameter direction of the rotating disk, so that the ray source and the detector are switched between the detection position and the avoidance position.
  • a moving mechanism is provided between the rotating mechanism and the supporting mechanism, and the moving mechanism can cause the rotating mechanism to undergo relative displacement on the supporting mechanism.
  • the moving mechanism is configured as a rotating table, and the rotating mechanism can rotate relative to the supporting mechanism under the support of the rotating table.
  • the moving mechanism is constructed as a translation mechanism, and the rotating mechanism can move along the first direction and the second direction under the support of the translation mechanism, the first direction is parallel to the rotation axis of the detection mechanism, and the second direction is perpendicular to the rotation axis of the detection mechanism.
  • the conveying mechanism is extended parallel to the rotation axis of the detection mechanism or the positioning mechanism is extended perpendicular to the rotation axis of the detection mechanism.
  • the conveying mechanism also includes a plurality of positioning modules arranged at intervals, and the positioning modules are suitable for positioning the battery cells.
  • the conveying mechanism is a reciprocating conveying mechanism arranged on both sides of the detection mechanism. Before the detection mechanism detects the battery cells, it also includes: the rotating disk drives the radiation source and the detector to rotate circumferentially; the reciprocating conveying mechanisms on both sides of the detection mechanism move the two battery cells to the detection area respectively; the rotating disk drives the radiation source and the detector to rotate circumferentially to detect the battery cells; the two reciprocating conveying mechanisms move the battery cells out of the detection area.
  • FIG1 is a front view of a detection device according to an embodiment of the first aspect of the present disclosure.
  • FIG3 is a schematic diagram of a third embodiment of the detection device of the first aspect of the present disclosure.
  • FIG. 4 is a schematic diagram of embodiments 4 to 6 of the detection device according to the embodiment of the first aspect of the present disclosure.
  • FIG5 is a schematic diagram of a seventh embodiment of the detection device according to the first aspect of the present disclosure.
  • Rotating mechanism 20 rotating bracket 21, rotating disk 22, detecting mechanism 23, ray source 231, detector 232, rotating Transfer connector 24, position sensor 25,
  • Moving mechanism 40 rotating platform 41, translation mechanism 42,
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • installed should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • the following describes a detection device 100 and a detection method for detecting a battery cell 200 according to an embodiment of the present disclosure with reference to FIGS. 1 to 5 .
  • the detection device 100 includes: a supporting mechanism 10 , a rotating mechanism 20 , a conveying mechanism 30 and a detection mechanism 23 .
  • the rotating mechanism 20 is arranged on the supporting mechanism 10; the conveying mechanism 30 is suitable for conveying the battery cell 200; the detecting mechanism 23 is arranged on the rotating mechanism 20, and the detecting mechanism 23 comprises: a ray source 231 and a detector 232, the ray source 231 and the detector 232 are suitable for detecting the battery cell 200 on the conveying mechanism 30, and the ray source 231 and the detector 232 are suitable for detecting the battery cell 200 on the rotating mechanism 20.
  • the rotating mechanism 20 performs circumferential rotation.
  • the rotating mechanism 20 is arranged on the supporting mechanism 10, and the rotating mechanism 20 is provided with a detection mechanism 23, which can rotate circumferentially on the rotating mechanism 20, and the conveying mechanism 30 is used to convey the battery cell 200.
  • the conveying mechanism 30 first conveys the battery cell 200 to the detection area, and the radiation source 231 and the detector 232 of the detection mechanism 23 rotate circumferentially on the rotating mechanism 20, and then detects the battery cell 200 located in the detection area.
  • the detection area is the area between the line connecting the radiation source 231 and the detector 232, and the detection mechanism 23 can detect the battery cell 200 in this area.
  • the detection mechanism 23 can perform multi-directional detection on the battery cell 200 by rotating circumferentially on the rotating mechanism 20, so as to detect the alignment of the pole pieces of each battery cell 200 and the welding of the pole pieces, and there is no requirement for the placement position and placement angle of the battery cell 200 on the conveying mechanism 30.
  • the detection device 100 can improve the detection quality and detection efficiency while reducing the placement requirements of the battery cells 200.
  • the detection device further includes a detection control system, and the detection control system includes:
  • the rotating mechanism 20 controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate at a certain angle to avoid the battery cell 200;
  • the rotating mechanism 20 includes: a rotating bracket 21 and a rotating disk 22 .
  • the rotating bracket 21 is disposed on the supporting mechanism 10 .
  • the rotating disk 22 can rotate circumferentially relative to the rotating bracket 21 , and the rotating disk 22 is used to fix the radiation source 231 and the detector 232 .
  • the rotating mechanism 20 is set on the supporting mechanism 10 through the rotating bracket 21.
  • the rotating bracket 21 can support the rotating disk 22.
  • the rotating disk 22 can rotate circumferentially on the rotating bracket 21.
  • the radiation source 231 and the detector 232 are fixed on the rotating disk 22 and can rotate synchronously with the rotating disk 22.
  • the radiation source 231 and the detector 232 can rotate circumferentially around the battery cell 200 located in the detection area to perform beam scanning on the battery cell 200 in multiple orientations.
  • the battery cells 200 located in the detection area can be scanned in multiple directions, thereby improving the detection quality of the battery cells 200 .
  • the rotating mechanism 20 further includes: a rotating connector 24 , which is disposed between the rotating bracket 21 and the rotating disk 22 to reduce the resistance between the rotating bracket 21 and the rotating disk 22 so that the rotating disk 22 can rotate freely.
  • the rotating connector 24 can be a combination of a circular slide rail and a circular slider, or a bearing disposed between the rotating bracket 21 and the rotating disk 22 .
  • the rotating mechanism 20 further includes: a driving motor, a driving gear and a driven gear portion, wherein the driving motor is fixed to the rotating bracket 21, the driving gear is arranged on the motor shaft of the driving motor, and the driven gear portion is arranged on the outer side of the rotating disk 22, and the driving gear is meshed with the driven gear portion.
  • the rotating disk 22 can rotate circumferentially under the drive of the driving motor, thereby improving the detection efficiency of the battery cell 200.
  • the moving mechanism 40 is constructed as a translation mechanism 42, and the rotating mechanism 20 can move along a first direction and a second direction under the support of the translation mechanism 42, the first direction is parallel to the rotation axis of the detection mechanism 23, and the second direction is perpendicular to the rotation axis of the detection mechanism 23.
  • the rotating mechanism 20 can be moved in the first direction and the second direction, so as to achieve the relative position adjustment with the transmission mechanism 30.
  • the detection position of each specification of the battery cells 200 is different.
  • the detection area of the detection mechanism 23 can be adjusted through the translation mechanism 42 so that the corners of the battery cells 200 are within the detection area, thereby improving the detection accuracy.
  • the detection mechanism 23 can avoid the battery cells 200, thereby improving the detection safety.
  • a first slide rail is provided on the side of the support mechanism 10 close to the translation mechanism 42, and a first slider is provided on the side of the translation mechanism 42 close to the support mechanism 10, and the first slide rail and the first slider are slidably matched, so that the rotating mechanism 20 can move in the first direction.
  • a second slide rail is provided on the side of the translation mechanism 42 close to the rotating mechanism 20, and a second slider is provided on the side of the rotating mechanism 20 close to the translation mechanism 42, and the second slide rail and the second slider are slidably matched, so that the rotating mechanism 20 can move in the second direction.
  • the battery cells 200 can be continuously tested, thereby improving the testing efficiency of the battery cells 200 .
  • the conveying mechanism 30 further includes a plurality of positioning modules 31 arranged at intervals, and the positioning modules 31 are suitable for positioning the battery cells 200.
  • the positioning modules 31 can be used to position the battery cells 200 so that the measured corners of each battery cell 200 are in a suitable position.
  • the conveying mechanism 30 moves the battery cells 200 to the detection area, it is ensured that the detection corners of each battery cell 200 are in the same position, thereby improving the detection accuracy.
  • the positioning module 31 includes a first positioning portion 311 and a second positioning portion 312, the first positioning portion 311 and the second positioning portion 312 are perpendicular to each other, and the first positioning portion 311 and the second positioning portion 312 are both fixed on the conveying mechanism 30, and a positioning space is formed inside the angle formed by the first positioning portion 311 and the second positioning portion 312, and the corners of the battery cell 200 to be tested can be placed in the positioning space, and the adjacent two sides of the battery cell 200 are respectively stopped against the first positioning portion 311 and the second positioning portion 312.
  • the battery cell 200 when the battery cell 200 needs to be inspected, the battery cell 200 is placed on the conveying mechanism 30, and one corner of the battery cell 200 is placed in the positioning space, and the two adjacent sides of the corner are respectively stopped against the first positioning portion 311 and the second positioning portion 312. At this time, the battery cell 200 can be fixed on the conveying mechanism 30. In this way, the battery cells 200 can be placed in sequence to ensure the regular placement of the battery cells 200.
  • first positioning portion 311 and the second positioning portion 312 can be grooves or protrusions formed on the conveying mechanism 30.
  • the corners of the battery cell 200 can be placed into the grooves or protrusions, so that the position of the battery cell 200 can be fixed.
  • the positioning modules 31 can be set on the center line of the conveying mechanism 30 and spaced apart.
  • the positioning modules 31 can also be set side by side on both sides of the center line of the conveying mechanism 30. The selection can be made according to actual needs.
  • the positioning module 31 When the positioning module 31 is arranged on the center line of the conveying mechanism 30 and is arranged equidistantly, in order to ensure the detection quality of the battery cell 200 by the detection mechanism 23, the positioning module 31 can be set to a preset angle so that the detection mechanism 23 can detect the corners of the battery cell 200.
  • the battery cell 200 can be placed in the positioning space by placing the corners and the adjacent two sides of the corners are respectively stopped by the first positioning part 311 and the second positioning part 312. At this time, multiple battery cells 200 can be placed equidistantly on the conveying mechanism 30. If the preset angle of the positioning module 31 is set to 45° for example, the battery cell 200 is also tilted at 45° on the conveying mechanism 30.
  • the detection mechanism 23 can perform circumferential detection on the corners of the battery cell 200, thereby improving the detection accuracy.
  • the rotating mechanism 20 further includes: a position sensor 25, which can detect the position of the battery cell 200 on the conveying mechanism 30.
  • the position sensor 25 can detect the position of the battery cell 200 on the conveying mechanism 30.
  • the position sensor 25 is connected to the rotating mechanism 20 signal. Before the conveying mechanism 30 conveys the battery cell 200 into the detection area, the position sensor 25 performs detection.
  • the position sensor 25 detects that the position of the battery cell 200 is about to interfere with the detection mechanism 23, it sends an avoidance signal to the rotating mechanism 20, and the rotating disk 22 drives the ray source 231 and the detector 232 to stop circumferential rotation and avoid the battery cell 200.
  • the rotating disk 22 drives the ray source 231 and the detector 232 to continue to rotate circumferentially.
  • the battery cell 200 when the battery cell 200 is being inspected, the battery cell 200 can be prevented from colliding with the inspection mechanism 23 , thereby improving inspection safety.
  • the position sensor 25 may be an optical position sensor 25 , an ultrasonic position sensor 25 , a light curtain sensor, or a camera.
  • the position sensor 25 is an optical position sensor 25
  • a light beam is emitted through the transmitter. If the battery cell 200 located on the transmission mechanism 30 interferes with the rotating mechanism 20, the light beam emitted by the transmitter will be reflected back to the optical position sensor 25 when it touches the battery cell 200. At this time, the sensor can calculate the distance between the rotating mechanism 20 and the battery cell 200. When the distance between the two is less than the set threshold, the optical position sensor 25 sends an avoidance signal to the rotating mechanism 20, and the rotating disk 22 drives the radiation source 231 and the detector 232 to stop circumferential rotation and avoid the battery cell 200.
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to continue to rotate circumferentially.
  • the light curtain sensor can be set upstream of the rotating mechanism 20 and near the conveying mechanism 30.
  • the light curtain sensor detects that the light curtain is blocked, the light curtain sensor sends an avoidance signal to the rotating mechanism 20, and the rotation drives the radiation source 231 and the detector 232 to stop circumferential rotation and avoid the battery cell 200.
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to continue circumferential rotation.
  • the position sensor 25 is a camera
  • the camera can be set on the rotating bracket 21.
  • the camera can photograph the battery cell 200 located on the conveying mechanism 30.
  • By identifying the position of the battery cell 200 in the image it can be determined when the battery cell 200 interferes with the rotating mechanism 20.
  • the camera sends an avoidance signal to the rotating mechanism 20, and the rotating disk 22 drives the radiation source 231 and the detector 232 to stop circumferential rotation and avoid the battery cell 200.
  • the camera sends a signal to the rotating disk 22, and the rotating disk 22 drives the radiation source 231 and the detector 232 to continue to rotate circumferentially.
  • the position sensor 25 there is no specific restriction on the position of the position sensor 25 on the detection device 100. As long as the position sensor 25 can detect whether the battery cell 200 collides with the rotating mechanism 20, it can be set as needed.
  • the detection device 100 further includes: a screening mechanism 50, wherein the screening mechanism 50 is suitable for transferring the battery cell 200 to a waste area when the detection mechanism 23 detects that the battery cell 200 is unqualified.
  • the screening mechanism 50 is adapted to transfer the unqualified battery cell 200 to the waste area when the detection mechanism 23 detects that the battery cell 200 is unqualified. After the detection mechanism 23 completes the detection of the battery cell 200, if the internal defect of the battery cell 200 does not meet the requirements, the screening mechanism 50 can screen out the unqualified battery cell 200 on the conveying mechanism 30 and transfer it to the waste area so that the qualified battery cell 200 can enter the next process. In this way, the detection efficiency of the detection device 100 can be improved.
  • the detection system corresponding to the detection device 100 in the present disclosure can number the battery cells 200 detected by the detection device 100 one by one, and when the screening mechanism 50 transfers the unqualified battery cells 200 to the waste area, the detection system 100 can be used to identify the unqualified battery cells 200. The testing system will also remove the number and image corresponding to the unqualified battery cell 200.
  • the battery cell 200 is firstly inspected by the inspection mechanism 23 under the transmission of the transmission mechanism 30. If the inspection mechanism 23 detects that the battery cell 200 is unqualified, the screening mechanism 50 transfers the battery cell 200 to the waste area. At the same time, in the inspection system, the number and image corresponding to the unqualified battery cell 200 are removed. When the battery cell 200 passes the inspection of the inspection mechanism 23 and is judged to be qualified, the qualified battery cell 200 can enter the next step. In this way, the system resource occupancy rate can be reduced, and the inspection device 100 has a higher inspection efficiency.
  • the detection method is applicable to the detection device 100 of any one of the above embodiments, and the detection method includes: placing the battery cell 200 on the conveying mechanism 30; the conveying mechanism 30 conveys the battery cell 200; and the detection mechanism 23 detects the battery cell 200.
  • the battery cell 200 when placing the battery cell 200 on the conveying mechanism 30 , the battery cell 200 is placed at a preset angle, wherein the preset angle is 15°-75°.
  • the center line of the battery cell 200 can have a certain angle with the extension direction of the conveying mechanism 30, that is, the battery cell 200 is placed on the conveying mechanism 30 at an angle, so that when the conveying mechanism 30 moves the battery cell 200 to the detection area, the corners of the battery cell 200 can be within the detection area.
  • the detection efficiency of the detection device 100 can be improved while improving the detection effect.
  • the preset angle can be 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, or 75°, and can be set according to actual needs.
  • the following describes a method for detecting the battery cell 200 according to a specific embodiment of the present disclosure.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the battery cell 200 is placed on the conveying mechanism 30 , and the battery cell 200 is placed at a preset angle;
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to rotate in a circumferential direction.
  • the transmission mechanism 30 is extended and arranged parallel to the rotation axis of the detection mechanism 23, and the transmission mechanism 30 transmits the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it detects that the battery cell 200 will collide with the rotating mechanism 20 when entering the detection area, it sends an avoidance signal to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 to the inspection area
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 out of the detection area
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the rotating mechanism 20 After receiving the signal from the position sensor 25, the rotating mechanism 20 controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate in a circumferential direction to detect the battery cell 200;
  • Two reciprocating conveying mechanisms 30 move the battery cells 200 out of the inspection area
  • the screening mechanism 50 transfers the unqualified battery cells 200 to a waste area.
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the conveying mechanism 30 conveys the battery cell 200 out of the detection area
  • the screening mechanism 50 transfers the unqualified battery cells 200 to a waste area.
  • the rotating mechanism 20 is rotated to a preset angle by the rotating platform 41;
  • the battery cells 200 are placed in the positioning module 31.
  • the positioning module 31 is arranged side by side on both sides of the center line of the conveying mechanism 30.
  • the battery cells 200 are placed diagonally at the ends of the conveying mechanism 30.
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to rotate circumferentially.
  • the extension direction of the transmission mechanism 30 and the rotation axis of the detection mechanism 23 are set at a preset angle, and the transmission mechanism 30 transmits the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it detects that the battery cell 200 will collide with the rotating mechanism 20 when entering the detection area, it sends an avoidance signal to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, and controls the ray source 231 and the detector 232 of the rotating disk 22 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 to the inspection area
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the rotating mechanism 20 After receiving the signal from the position sensor 25, the rotating mechanism 20 controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate in a circumferential direction to detect the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it is detected that the battery cell 200 will collide with the rotating mechanism 20 during the output process, an avoidance signal is sent to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 out of the detection area
  • the rotating mechanism 20 is rotated to a preset angle by the rotating platform 41;
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to rotate circumferentially.
  • the extension direction of the transmission mechanism 30 and the rotation axis of the detection mechanism 23 are set at a preset angle, and the transmission mechanism 30 transmits the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200. If the battery cell 200 is detected to enter the detection area, it will If the rotating mechanism 20 collides, an avoidance signal is sent to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, and the ray source 231 and the detector 232 switch from the detection position to the avoidance position to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 to the inspection area
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the rotating mechanism 20 After the rotating mechanism 20 receives the signal from the position sensor 25, the ray source 231 and the detector 232 switch from the avoidance position to the detection position;
  • the rotating mechanism 20 controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate in a circumferential direction to detect the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it is detected that the battery cell 200 will collide with the rotating mechanism 20 during the output process, an avoidance signal is sent to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, and the ray source 231 and the detector 232 switch from the detection position to the avoidance position to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 out of the detection area
  • the screening mechanism 50 transfers the unqualified battery cells 200 to a waste area.
  • the battery cell 200 is placed on the conveying mechanism 30 , and the battery cell 200 is placed at a preset angle;
  • the rotating disk 22 drives the radiation source 231 and the detector 232 to rotate in a circumferential direction.
  • the transmission mechanism 30 is extended and arranged perpendicular to the rotation axis of the detection mechanism 23, and the transmission mechanism 30 transmits the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it detects that the battery cell 200 will collide with the rotating mechanism 20 when entering the detection area, it sends an avoidance signal to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 to the inspection area
  • the position sensor 25 detects the position of the battery cell 200, and sends a signal to the rotating mechanism 20 if the battery cell 200 is not detected or it is detected that the position of the battery cell 200 will not collide with the rotating mechanism 20;
  • the rotating mechanism 20 After receiving the signal from the position sensor 25, the rotating mechanism 20 controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate in a circumferential direction to detect the battery cell 200;
  • the position sensor 25 detects the position of the battery cell 200, and if it is detected that the battery cell 200 will collide with the rotating mechanism 20 during the output process, an avoidance signal is sent to the rotating mechanism 20;
  • the rotating mechanism 20 receives the avoidance signal from the position sensor 25, controls the rotating disk 22 to drive the radiation source 231 and the detector 232 to rotate a certain angle to avoid the battery cell 200;
  • the conveying mechanism 30 conveys the battery cell 200 out of the detection area
  • the screening mechanism 50 transfers the unqualified battery cells 200 to a waste area.

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Abstract

一种检测装置及用于电芯检测的检测方法，检测装置包括：支撑机构（10）、旋转机构（20）、传送机构（30）以及检测机构（40）。旋转机构（20）设置于支撑机构（10）；传送机构适（30）于传送电芯（200）；检测机构（23）设置于旋转机构（20），检测机构（23）包括：射线源（231）和探测器（232），射线源（231）与探测器（232）适于对传送机构（30）上的电芯（200）进行检测，且射线源（2312）与探测器（232）适于在旋转机构（20）上进行周向旋转。

Description

检测装置及用于电芯检测的检测方法
本申请要求于2023年6月12日提交的、申请号为202310695770.1的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及无损检测领域，具体涉及一种检测装置及用于电芯检测的检测方法。
背景技术
随着锂电池的需求不断扩大，市场对锂电池品质的要求越来越高，当前对锂电池尤其是动力电池的一致性要求日趋严格。在一些相关技术中，使用传统的工业CT方案，探测器与光机静止对电芯进行扫描，对要检测的电芯角位的位置精度以及角位的形变要求较高，在检测过程中受电芯位置、电芯角位变形等客观因素的影响，导致检测质量难以提升，且误判率过高。
发明内容
本公开提出一种检测装置。
本公开还旨在提出一种用于电信检测的检测方法，所述检测方法使用上述检测装置对电芯进行检测。
根据本公开第一方面实施例的检测装置，所述检测装置包括：支撑机构、旋转机构、传送机构以及检测机构。所述旋转机构设置于所述支撑机构；所述传送机构适于传送电芯；所述检测机构设置于所述旋转机构，所述检测机构包括：射线源和探测器，所述射线源与所述探测器适于对所述传送机构上的所述电芯进行检测，且所述射线源与所述探测器适于在所述旋转机构上进行周向旋转。
根据本公开第一方面实施例的检测装置，旋转机构设置在支撑机构上，且旋转机构上设置有检测机构，检测机构可在旋转机构上进行周向旋转，传送机构用于传送电芯。当需要检测装置对电芯进行检测时，首先传送机构将电芯传送至检测区域，检测机构的射线源与探测器在旋转机构上进行周向旋转，进而对位于检测区域内的电芯进行检测，需要说明的是，检测区域为射线源与探测器连线之间的区域，检测机构在此区域可对电芯进行检测。检测机构通过在旋转机构上进行周向旋转，可对电芯进行多方位检测，从 而对每个电芯的极片对齐情况以及极片的焊接情况进行检测，并且对电芯在传送机构上的摆放位置以及摆放角度不做要求。
在一些实施例中，所述旋转机构包括：旋转支架和旋转盘，所述旋转支架设置于所述支撑机构，所述旋转盘可相对于所述旋转支架进行周向转动，且所述旋转盘用于固定所述射线源与所述探测器。
进一步地，所述射线源与所述探测器可在所述旋转盘的直径方向进行运动，以使所述射线源与所述探测器在检测位置和所述避让位置之间切换。
在一些实施例中，所述旋转机构与所述支撑机构之间设有移动机构，所述移动机构可使所述旋转机构在所述支撑机构上发生相对位移。
可选地，所述移动机构构造为旋转台，所述旋转机构可在所述旋转台的支撑下与所述支撑机构发生相对转动。
进一步可选地，所述移动机构构造为平移机构，所述旋转机构可在所述平移机构的支撑下沿所述第一方向和所述第二方向移动，所述第一方向为平行于所述检测机构的旋转轴心，所述第二方向为垂直于所述检测机构的旋转轴心。
在一些实施例中，所述传送机构平行于所述检测机构的旋转轴心延伸设置或所述定位机构垂直于所述检测机构的旋转轴心延伸设置。
进一步地，所述传送机构还包括间隔设置的多个定位模组，所述定位模组适于对所述电芯进行定位。
根据本公开第二方面实施例的用于电芯检测的检测方法，所述检测方法适用于通过检测装置对电芯进行检测，所述检测方法包括：将电芯放置于传送机构；传送机构传送电芯至检测区域；检测机构对所述电芯进行检测。
在一些实施例中，在将所述电芯放置于所述传送机构时，将所述电芯摆放至预设角度，其中，所述预设角度为15°-75°。
在一些实施例中，所述检测机构对所述电芯进行检测前还包括：旋转盘带动射线源与探测器转动一定角度，以对所述电芯进行避让；所述传送机构传送所述电芯运动至检测区域；所述旋转盘带动所述射线源与所述探测器进行周向转动以对所述电芯进行检测；所述传送机构传送所述电芯移出所述检测区域。
在一些实施例中，所述检测机构对所述电芯进行检测前还包括：旋转盘带动射线源与探测器进行周向转动；射线源与探测器由检测位置切换至避让位置；所述传送机构传送所述电芯运动至检测区域；所述射线源与所述探测器由所述避让位置切换至所述检测 位置；所述旋转盘带动所述射线源与所述探测器进行周向转动以对所述电芯进行检测；所述传送机构传送所述电芯移出所述检测区域。
在一些实施例中，所述传送机构为设置在检测机构两侧的往复式传送机构，所述检测机构对所述电芯进行检测前还包括：旋转盘带动射线源与探测器进行周向转动；所述检测机构两侧的所述往复式传送机构分别将两个所述电芯移动至检测区域；所述旋转盘带动所述射线源与所述探测器进行周向转动以对所述电芯进行检测；两个所述往复式传送机构将所述电芯移出所述检测区域。
在一些实施例中，在所述检测机构对所述电芯进行检测前，所述旋转机构旋转至预设角度，其中，所述预设角度为15°-75°。
进一步地，所述检测机构对所述电芯进行检测前还包括：旋转盘带动射线源与探测器进行周向转动；射线源与探测器由检测位置切换至避让位置；所述传送机构传送所述电芯运动至检测区域；所述射线源与所述探测器由所述避让位置切换至所述检测位置；所述旋转盘带动所述射线源与所述探测器进行周向转动以对所述电芯进行检测；所述传送机构传送所述电芯移出所述检测区域。
本公开的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是本公开第一方面实施例的检测装置的主视图。
图2是本公开第一方面实施例的检测装置的俯视剖面图。
图3是本公开第一方面实施例的检测装置的实施例三的示意图。
图4是本公开第一方面实施例的检测装置的实施例四-六的示意图。
图5是本公开第一方面实施例的检测装置的实施例七的示意图。
附图标记：
检测装置100、
支撑机构10、
旋转机构20、旋转支架21、旋转盘22、检测机构23、射线源231、探测器232、旋 转连接件24、位置传感器25、
传送机构30、定位模组31、第一定位部311、第二定位部312、
移动机构40、旋转台41、平移机构42、
筛选机构50、
电芯200。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本公开，而不能理解为对本公开的限制。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。此外，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本公开的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本公开中的具体含义。
下面参考图1-图5描述根据本公开实施例的检测装置100及用于电芯200检测的检测方法。
如图1-图2所示，根据本公开第一方面实施例的检测装置100，检测装置100包括：支撑机构10、旋转机构20、传送机构30以及检测机构23。
其中，旋转机构20设置于支撑机构10；传送机构30适于传送电芯200；检测机构23设置于旋转机构20，检测机构23包括：射线源231和探测器232，射线源231与探测器232适于对传送机构30上的电芯200进行检测，且射线源231与探测器232适于在旋 转机构20上进行周向旋转。
具体而言，旋转机构20设置在支撑机构10上，且旋转机构20上设置有检测机构23，检测机构23可在旋转机构20上进行周向旋转，传送机构30用于传送电芯200。当需要检测装置100对电芯200进行检测时，首先传送机构30将电芯200传送至检测区域，检测机构23的射线源231与探测器232在旋转机构20上进行周向旋转，进而对位于检测区域内的电芯200进行检测，需要说明的是，检测区域为射线源231与探测器232连线之间的区域，检测机构23在此区域可对电芯200进行检测。检测机构23通过在旋转机构20上进行周向旋转，可对电芯200进行多方位检测，从而对每个电芯200的极片对齐情况以及极片的焊接情况进行检测，并且对电芯200在传送机构30上的摆放位置以及摆放角度不做要求。
根据本公开第一方面实施例的检测装置100，检测装置100可在降低电芯200摆放需求的同时，提高检测质量以及检测效率。
可选地，检测装置还包括检测控制系统，检测控制系统包括：
旋转机构20控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
在一些实施例中，旋转机构20包括：旋转支架21和旋转盘22，旋转支架21设置于支撑机构10，旋转盘22可相对于旋转支架21进行周向转动，且旋转盘22用于固定射线源231与探测器232。
具体而言，旋转机构20通过旋转支架21设置在支撑机构10上，旋转支架21可对旋转盘22进行支撑，旋转盘22可在旋转支架21上进行周向转动，射线源231与探测器232固定于旋转盘22上，且可跟随旋转盘22进行同步转动，在对电芯200进行检测时，射线源231与探测器232可对围绕位于检测区域内的电芯200进行周向转动，以在多个方位对电芯200进行出束扫描。
由此，通过旋转盘22带动射线源231与探测器232进行周向转动，可对位于检测区域内的电芯200进行多方位扫描，从而提高电芯200检测质量。
如图2所示，进一步地，所述旋转机构20还包括：旋转连接件24，旋转连接件24设置在旋转支架21与旋转盘22之间，降低旋转支架21与旋转盘22之间的阻力，以使旋转盘22进行自由转动。
需要说明的是，这里对旋转连接件24的结构不做具体限制，旋转连接件24可以为圆形滑轨与圆形滑块的组合件，也可以为设置于旋转支架21与旋转盘22之间的轴承。
当旋转连接件24为圆形滑轨与圆形滑块时，圆形滑轨可设置于旋转支架21与旋转盘22的其中一个上，圆形滑块可设置在旋转支架21与旋转盘22的另一个上，圆形滑轨与圆形滑块相互啮合，可使旋转盘22在旋转支架21上进行自由转动。
可选地，所述旋转机构20还包括：驱动电机、驱动齿轮与从动齿部，驱动电机固定在旋转支架21上，驱动齿轮设置在驱动电机的电机轴上，从动齿部设置在旋转盘22的外侧，驱动齿轮与从动齿部啮合。由此，旋转盘22可在驱动电机的驱动下进行周向转动，进而提高电芯200的检测效率。
需要说明的是，从动齿轮部可以为设置在旋转盘22外侧的一整圈外齿，也可以为设置在旋转盘22外侧的部分外齿。当从动齿部为设置在旋转盘22外侧的一整圈外齿时，旋转盘22可在驱动电机的驱动下进行连续的周向转动，当从动齿部为设置在旋转盘22外侧的部分外齿时，旋转盘22可在驱动电机的驱动下进行一定角度的往复转动，可根据实际需要进行选择。
进一步地，射线源231与探测器232可在旋转盘22的直径方向进行运动，以使射线源231与探测器232在检测位置和避让位置之间切换。
具体而言，射线源231与探测器232可分别在旋转盘22的直径方向进行移动，以实现相互靠近或相互远离，当射线源231与探测器232均向旋转盘22的圆心处靠近时，可移动至检测位置，此时射线源231与探测器232的距离较近，具有较高的检测精度，当射线源231与探测器232均远离旋转盘22的圆心时，可移动至避让位置，此时射线源231与探测器232的距离较远，当传送机构30将电芯200传送至检测区域时，电芯200的边角可能会与检测机构23发生干涉，通过将射线源231与探测器232切换至避让位置，可对电芯200形成避让，防止对电芯200以及检测机构23造成损坏。
由此，通过使射线源231与探测器232在检测位置和避让位置之间切换，可在保证检测精度的同时，提高检测的安全性。
在一些实施例中，旋转机构20与支撑机构10之间设有移动机构40，移动机构40可使旋转机构20在支撑机构10上发生相对位移。
具体而言，在检测机构23对电芯200进行检测时，根据不同的产品，电芯200的规格可能具有一定差异，不同规格的电芯200在进行检测时，检测的位置也不同，通过在旋转机构20与支撑机构10之间设置移动机构40，可对旋转装置的位置进行调整，以适应不同规格电芯200的检测。
由此，可提高检测装置100检测的电芯200种类，提高通用性，降低电芯200检测 成本。
可选地，移动机构40构造为旋转台41，旋转机构20可在旋转台41的支撑下与支撑机构10发生相对转动。
具体而言，通过设置旋转台41，可使旋转机构20与传送机构30形成一定夹角，在对电芯200进行检测时，为提高检测效率，一般对电芯200的边角进行检测，这就要求射线源231和探测器232的连线与电芯200的中心线之间具有一定夹角，通过旋转台41对旋转机构20进行一定角度的转动，可使电芯200的中心线与传送机构30延伸方向平行，从而减少电芯200对传送机构30上的空间占用，这样在电芯200进行摆放时，可将两个电芯200在保持一定安全距离的前提下首尾相连摆放，并且以角对角的方式摆放在传送机构30上。由此，可使检测机构23同时对两组电芯200进行检测，进而提高检测效率。
进一步可选地，移动机构40构造为平移机构42，旋转机构20可在平移机构42的支撑下沿第一方向和第二方向移动，第一方向为平行于检测机构23的旋转轴心，第二方向为垂直于检测机构23的旋转轴心。
具体而言，通过设置平移机构42，可使旋转机构20在第一方向和第二方向进行移动，从而实现与传送机构30的相对位置调节，在对电芯200进行检测时，由于电芯200具有不同规格，每种规格的电芯200的检测位置不同，通过平移机构42，可对检测机构23的检测区域进行调整，以使电芯200的边角处于检测区域内，进而提高检测精度，并且通过平移机构42，还可在检测机构23与电芯200之间发生位置干涉时时检测机构23对电芯200进行避让，提高检测安全性。
进一步地，支撑机构10靠近平移机构42的一侧设有第一滑轨，平移机构42靠近支撑机构10的一侧设有第一滑块，第一滑轨与第一滑块滑动配合，以使旋转机构20可在第一方向上进行移动。平移机构42靠近旋转机构20的一侧设有第二滑轨，旋转机构20靠近平移机构42的一侧设有第二滑块，第二滑轨与第二滑块滑动配合，以使旋转机构20可在第二方向上进行移动。通过第一滑轨与第一滑块的配合、第二滑轨与第二滑块的配合，可使旋转机构20的移动更顺滑，降低操作难度。
在一些实施例中，传送机构30平行于检测机构23的旋转轴心延伸设置或定位机构垂直于检测机构23的旋转轴心延伸设置。
具体而言，当传送机构30平行于检测机构23的旋转轴心延伸设置时，传送机构30可穿过旋转机构20的中心，当传送机构30垂直于检测机构23的旋转轴心延伸设置时， 传送机构30可在检测机构23的一侧对电芯200进行传送，电芯200可在传送机构30的带动下进行步进运动，传送机构30上间隔摆放多个待测电芯200，当传送机构30传送电芯200运动至检测区域时，传送机构30停止，检测机构23在旋转盘22的带动下进行旋转，进而对电芯200进行检测，在检测完成后，传送机构30将电芯200移出检测区域，此时下一组待测电芯200可运动至检测区域进行检测。
由此，可对电芯200进行连续检测，进而提高电芯200的检测效率。
进一步地，传送机构30还包括间隔设置的多个定位模组31，定位模组31适于对电芯200进行定位。在将电芯200摆放在传送机构30上时，可通过定位模组31对电芯200进行定位，使每个电芯200的被测边角均处于合适位置，在传送机构30将电芯200移动至检测区域时，保证每个电芯200的检测边角均处于同一位置，进而提高检测精度。
可选地，定位模组31包括第一定位部311和第二定位部312，第一定位部311与第二定位部312相互垂直，且第一定位部311与第二定位部312均固定于传送机构30上，第一定位部311与第二定位部312的形成夹角内侧形成定位空间，待测电芯200的边角可置于定位空间内，且电芯200的相邻两边分别与第一定位部311和第二定位部312相互止抵。
具体而言，当需要对电芯200进行检测时，将电芯200放置在传送机构30上，且将电芯200的一个边角放置在定位空间内，并将边角的相邻两边分别与第一定位部311和第二定位部312止抵，此时电芯200可固定在传送机构30上，以此方法依次对电芯200进行放置，可保证电芯200的摆放规律。
由此，在后续通过检测机构23对电芯200边角进行检测时，无需调整电芯200位置即可检测，在保证检测精度的同时，提高检测效率。
需要说明的是，这里对定位模组31与传送机构30的连接方式不做具体限制，例如定位模组31可通过粘接、螺接或卡接的方式与传送机构30进行连接，可根据实际需要选择。
进一步可选地，第一定位部311和第二定位部312可以为形成于传送机构30上的凹槽或凸起，在将电芯200放置在传送机构30上时，可将电芯200的边角放入凹槽或凸起内，这样即可对电芯200的位置进行固定。
可选地，定位模组31固定于传送机构30时，具有预设角度，其中预设角度为0°-75°。
示例性地，预设角度可以为0°、5°、10°、15°、20°、25°、30°、35°、40°、 45°、50°、55°、60°、65°、70°、75°，可根据实际需要进行设置。
需要说明的是，这里对定位模组31在传送机构30上的数量以及设置位置不做具体限制，例如定位模组31可设置在传送机构30中线并间隔设置，定位模组31还可设置在传送机构30的中线两侧并排设置，可根据实际需要进行选择。
可以理解的是，根据定位模组31设置方式的不同，电芯200在传送机构30上的摆放方式也不同。
当定位模组31设置在传送机构30的中线上并等距设置时，为保证检测机构23对电芯200的检测质量，可将定位模组31设置成预设角度，以使检测机构23可对电芯200的边角进行检测，电芯200可通过将边角放置在定位空间内，并将边角的相邻两边分别与第一定位部311和第二定位部312止抵，此时多个电芯200可等距放置在传送机构30上。若示例性地将定位模组31的预设角度设置为45°，电芯200在传送机构30上也为倾斜45°摆放，当传送机构30将电芯200传送至检测区域时，检测机构23可对电芯200的边角进行周向检测，进而提高检测精度。
当定位模组31设置在传送机构30的中线两侧并排设置时，定位模组31可将预设角度设为0°且对角放置，这样可同时对两个电芯200进行固定，当检测装置100中设置有旋转台41时，可通过旋转台41将旋转机构20设置一定角度，使检测机构23与传送机构30的中心形成一定夹角，此时传送机构30上设置有两个电芯200，两个电芯200在定位模组31的约束下为收尾相连的对角设置在传送机构30的中线两侧，检测机构23可同时对两个电芯200的边角进行检测，进而提高检测效率。
如图2所示，在一些实施例中，旋转机构20还包括：位置传感器25，位置传感器25可对传送机构30上的电芯200的位置进行检测。通过位置传感器25，可对传送机构30上电芯200的位置进行检测，位置传感器25与旋转机构20信号连接，在传送机构30传送电芯200进入检测区域之前，位置传感器25进行检测，当位置传感器25检测到电芯200的位置与检测机构23即将发生干涉时，则向旋转机构20发送避让信号，旋转盘22带动射线源231与探测器232停止周向转动并对电芯200进行避让，当位置传感器25检测到电芯200位置与检测机构23不会发生干涉或未检测到电芯200时，旋转盘22带动射线源231与探测器232继续进行周向转动。
由此，可在电芯200检测时防止电芯200与检测机构23发生碰撞，提高检测安全性。
需要说明的是，这里对位置传感器25的种类不做具体限制，例如位置传感器25可以为光学位置传感器25、超声波位置传感器25、光幕传感器以及摄像头。
当位置传感器25为光学位置传感器25时，通过发射器发射光束，若位于传送机构30上的电芯200与旋转机构20干涉，发射器发射的光束在触碰到电芯200时则会反射回光学位置传感器25，此时传感器可计算出旋转机构20与电芯200之间的距离，当二者距离小于设定阈值时，光学位置传感器25向旋转机构20发送避让信号，旋转盘22带动射线源231与探测器232停止周向转动并对电芯200进行避让，当光学位置传感器25未接收到反射信号，或接收到信号后通过计算，电芯200与旋转机构20之间的距离大于等于设定阈值时，旋转盘22带动射线源231与探测器232继续进行周向转动。
当位置传感器25为光幕传感器时，光幕传感器可设置于旋转机构20的上游，并设置在传送机构30附近，当光幕传感器检测到光幕被遮挡时，光幕传感器向旋转机构20发送避让信号，旋转带动射线源231与探测器232停止周向转动并对电芯200进行避让，当光幕传感器检测到光幕未被遮挡时，旋转盘22带动射线源231与探测器232继续进行周向转动。
当位置传感器25为摄像头时，摄像头可设置在旋转支架21上，摄像头可对位于传送机构30上的电芯200进行拍摄，通过识别图像中的电芯200位置，可判断电芯200与旋转机构20时候干涉，当通过摄像头拍摄的图像计算得出电芯200将与旋转机构20发生碰撞时，摄像头向旋转机构20发送避让信号，旋转盘22带动射线源231与探测器232停止周向转动并对电芯200进行避让，当摄像头拍摄的图像中未出现电芯200或通过摄像头拍摄的图像计算得出电芯200与旋转机构20不会发生碰撞时，摄像头向旋转盘22机构发送信号，旋转盘22带动射线源231与探测器232继续进行周向转动。
需要说明的是，这里对位置传感器25在检测装置100上的位置不做具体限制，只要保证位置传感器25可对电芯200与旋转机构20是否发生碰撞进行检测即可，可根据需要进行设置。
在一些实施例中，检测装置100还包括：筛选机构50，所述筛选机构50适于在所述检测机构23检测到所述电芯200不合格时将所述电芯200转移至废料区。
具体而言，筛选机构50适于在检测机构23检测到电芯200不合格时，将不合格电芯200转移至废料区。在检测机构23对电芯200检测完成后，若电芯200内部缺陷情况无法满足要求，筛选机构50可在传送机构30上将不合格的电芯200筛选出，并转移至废料区，以便合格的电芯200进入下一步工序。由此，可提高检测装置100的检测效率。
可以理解的是，在本公开中与检测装置100对应的检测系统，可对检测装置100检测的电芯200进行一一对应编号，当筛选机构50将不合格电芯200转移至废料区时，检 测系统将与该不合格电芯200对应的的编号以及图像也随之剔除。
也就是说，电芯200首先在传送机构30的传送下被检测机构23检测，若检测机构23检测到该电芯200不合格，筛选机构50则将该电芯200转移至废料区，与此同时在检测系统内，与不合格电芯200对应的编号以及图像被剔除，当电芯200通过检测机构23的检测，并判断为合格时，可使合格电芯200进入下一步工序。由此，可降低系统资源占用率，进而使检测装置100具有更高的检测效率。
根据本公开第二方面实施例的用于电芯200检测的检测方法，检测方法适用于上述实施例中任一项的检测装置100，检测方法包括：将电芯200放置于传送机构30；传送机构30传送电芯200；检测机构23对电芯200进行检测。
在一些实施例中，在将电芯200放置于传送机构30时，将电芯200摆放至预设角度，其中，预设角度为15°-75°。
具体而言，将电芯200摆放至预设角度，可使电芯200的中心线与传送机构30延伸方向具有一定角度，也就是将电芯200倾斜摆放在传送机构30上，这样在传送机构30将电芯200移动至检测区域时，可使电芯200的边角处于检测区域内。
由此，可在提高检测效果的同时提高检测装置100的检测效率。
示例性地，预设角度可以为15°、20°、25°、30°、35°、40°、45°、50°、55°、60°、65°、70°、75°，可根据实际需要进行设置。
下面根据本公开的具体实施例对电芯200的检测方法进行说明。
实施例一：
如图2所示，将电芯200放置于传送机构30，并将电芯200摆放至预设角度；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30平行于检测机构23的旋转轴心延伸设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若检测到电芯200在进入检测区域时将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
在扫描完成后，位置传感器25对电芯200位置进行检测，若检测到电芯200在输出过程中将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例二：
如图2所示，将电芯200放置于传送机构30，并将电芯200摆放至预设角度；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30平行于检测机构23的旋转轴心延伸设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若检测到电芯200在进入检测区域时将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，射线源231与探测器232由检测位置切换至避让位置，对电芯200进行避让；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，射线源231与探测器232由避让位置切换至检测位置；
旋转机构20控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
在扫描完成后，位置传感器25对电芯200位置进行检测，若检测到电芯200在输出过程中将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，射线源231与探测器232由检测位置切换至避让位置，对电芯200进行避让；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例三：
如图3所示，传送机构30为设置在检测机构23两侧的往复式传送机构30；
将电芯200放置于传送机构30，并将电芯200摆放至预设角度；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30平行于检测机构23的旋转轴心延伸设置，传送机构30对电芯200进行传送；
检测机构23两侧的往复式传送机构30分别将两个电芯200移动至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
两个往复式传送机构30将电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例四：
如图4所示，通过旋转台41将旋转机构20旋转至预设角度；
将电芯200放置在定位模组31内，此时定位模组31为在传送机构30的中线两侧并排设置，电芯200在传送机构30为收尾相连的角对角放置；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30的延伸方向与检测机构23的旋转轴心呈预设角度设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送输送信号；
旋转机构20在接收到位置传感器25的输送信号后，旋转盘22正常转动；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例五：
如图4所示，通过旋转台41将旋转机构20旋转至预设角度；
将电芯200放置在定位模组31内，此时定位模组31为在传送机构30的中线两侧并排设置，电芯200在传送机构30为收尾相连的角对角放置；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30的延伸方向与检测机构23的旋转轴心呈预设角度设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若检测到电芯200在进入检测区域时将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
在扫描完成后，位置传感器25对电芯200位置进行检测，若检测到电芯200在输出过程中将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例六：
如图4所示，通过旋转台41将旋转机构20旋转至预设角度；
将电芯200放置在定位模组31内，此时定位模组31为在传送机构30的中线两侧并排设置，电芯200在传送机构30为收尾相连的角对角放置；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30的延伸方向与检测机构23的旋转轴心呈预设角度设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若检测到电芯200在进入检测区域时将与 旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，射线源231与探测器232由检测位置切换至避让位置，对电芯200进行避让；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，射线源231与探测器232由避让位置切换至检测位置；
旋转机构20控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
在扫描完成后，位置传感器25对电芯200位置进行检测，若检测到电芯200在输出过程中将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，射线源231与探测器232由检测位置切换至避让位置，对电芯200进行避让；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
实施例七：
如图5所示，将电芯200放置于传送机构30，并将电芯200摆放至预设角度；
旋转盘22带动射线源231与探测器232进行周向转动，此时传送机构30垂直于检测机构23的旋转轴心延伸设置，传送机构30对电芯200进行传送；
位置传感器25对电芯200位置进行检测，若检测到电芯200在进入检测区域时将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30将电芯200传送至检测区域；
位置传感器25对电芯200位置进行检测，若未检测到电芯200或检测到电芯200位置不会与旋转机构20发生碰撞，则向旋转机构20发送信号；
旋转机构20接收到位置传感器25的信号后，控制旋转盘22带动射线源231与探测器232进行周向转动对电芯200进行检测；
在扫描完成后，位置传感器25对电芯200位置进行检测，若检测到电芯200在输出过程中将与旋转机构20发生碰撞，则向旋转机构20发送避让信号；
旋转机构20接收到位置传感器25的避让信号，控制旋转盘22带动射线源231与探测器232转动一定角度，对电芯200进行避让；
传送机构30传送电芯200移出检测区域；
筛选机构50将不合格的所述电芯200转移至废料区。
在本说明书的描述中，参考术语“实施例”、“示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本公开的实施例，本领域的普通技术人员可以理解：在不脱离本公开的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本公开的范围由权利要求及其等同物限定。

Claims (15)

  1. 一种检测装置，其中，包括：
    支撑机构(10)；
    旋转机构(20)，所述旋转机构(20)设置于所述支撑机构(10)；
    传送机构(30)，所述传送机构(30)适于传送电芯(200)；
    检测机构(23)，所述检测机构(23)设置于所述旋转机构(20)，所述检测机构(23)包括：射线源(231)和探测器(232)，所述射线源(231)与所述探测器(232)适于对所述传送机构(30)上的所述电芯(200)进行检测，且所述射线源(231)与所述探测器(232)适于在所述旋转机构(20)上进行周向旋转。
  2. 根据权利要求1所述的检测装置，其中，所述旋转机构(20)包括：旋转支架(21)和旋转盘(22)，所述旋转支架(21)设置于所述支撑机构(10)，所述旋转盘(22)可相对于所述旋转支架(21)进行周向转动，且所述旋转盘(22)用于固定所述射线源(231)与所述探测器(232)。
  3. 根据权利要求2所述的检测装置，其中，所述射线源(231)与所述探测器(232)可在所述旋转盘(22)的直径方向进行运动，以使所述射线源(231)与所述探测器(232)在检测位置和所述避让位置之间切换。
  4. 根据权利要求1所述的检测装置，其中，所述旋转机构(20)与所述支撑机构(10)之间设有移动机构(40)，所述移动机构(40)可使所述旋转机构(20)在所述支撑机构(10)上发生相对位移。
  5. 根据权利要求4所述的检测装置，其中，所述移动机构(40)构造为旋转台(41)，所述旋转机构(20)可在所述旋转台(41)的支撑下与所述支撑机构(10)发生相对转动。
  6. 根据权利要求4所述的检测装置，其中，所述移动机构(40)构造为平移机构(42)，所述旋转机构(20)可在所述平移机构(42)的支撑下沿所述第一方向和所述第二方向移动，所述第一方向为平行于所述检测机构(23)的旋转轴心，所述第二方 向为垂直于所述检测机构(23)的旋转轴心。
  7. 根据权利要求1所述的检测装置，其中，所述传送机构(30)平行于所述检测机构(23)的旋转轴心延伸设置或所述定位机构垂直于所述检测机构(23)的旋转轴心延伸设置。
  8. 根据权利要求7所述的检测装置，其中，所述传送机构(30)还包括间隔设置的多个定位模组(31)，所述定位模组(31)适于对所述电芯(200)进行定位。
  9. 一种用于电芯检测的检测方法，其中，适用于权利要求1-8中任一项所述的检测装置，所述检测方法包括：
    将电芯(200)放置于传送机构(30)；
    传送机构(30)传送电芯(200)至检测区域；
    检测机构(23)对所述电芯(200)进行检测。
  10. 根据权利要求9所述的检测方法，其中，在将所述电芯(200)放置于所述传送机构(30)时，将所述电芯(200)摆放至预设角度，其中，所述预设角度为15°-75°。
  11. 根据权利要求10所述的检测方法，其中，所述检测机构(23)对所述电芯(200)进行检测前还包括：
    旋转盘(22)带动射线源(231)与探测器(232)转动一定角度，以对所述电芯(200)进行避让；
    所述传送机构(30)传送所述电芯(200)运动至检测区域；
    所述旋转盘(22)带动所述射线源(231)与所述探测器(232)进行周向转动以对所述电芯(200)进行检测；
    所述传送机构(30)传送所述电芯(200)移出所述检测区域。
  12. 根据权利要求10所述的检测方法，其中，所述检测机构(23)对所述电芯(200)进行检测前还包括：
    旋转盘(22)带动射线源(231)与探测器(232)进行周向转动；
    射线源(231)与探测器(232)由检测位置切换至避让位置；
    所述传送机构(30)传送所述电芯(200)运动至检测区域；
    所述射线源(231)与所述探测器(232)由所述避让位置切换至所述检测位置；
    所述旋转盘(22)带动所述射线源(231)与所述探测器(232)进行周向转动以对所述电芯(200)进行检测；
    所述传送机构(30)传送所述电芯(200)移出所述检测区域。
  13. 根据权利要求10所述的检测方法，其中，所述传送机构(30)为设置在检测机构(23)两侧的往复式传送机构(30)，所述检测机构(23)对所述电芯(200)进行检测前还包括：
    旋转盘(22)带动射线源(231)与探测器(232)进行周向转动；
    所述检测机构(23)两侧的所述往复式传送机构(30)分别将两个所述电芯(200)移动至检测区域；
    所述旋转盘(22)带动所述射线源(231)与所述探测器(232)进行周向转动以对所述电芯(200)进行检测；
    两个所述往复式传送机构(30)将所述电芯(200)移出所述检测区域。
  14. 根据权利要求9所述的检测方法，其中，在所述检测机构(23)对所述电芯(200)进行检测前，所述旋转机构(20)旋转至预设角度，其中，所述预设角度为15°-75°。
  15. 根据权利要求14所述的检测方法，其中，所述检测机构(23)对所述电芯(200)进行检测前还包括：
    旋转盘(22)带动射线源(231)与探测器(232)进行周向转动；
    射线源(231)与探测器(232)由检测位置切换至避让位置；
    所述传送机构(30)传送所述电芯(200)运动至检测区域；
    所述射线源(231)与所述探测器(232)由所述避让位置切换至所述检测位置；
    所述旋转盘(22)带动所述射线源(231)与所述探测器(232)进行周向转动以对所述电芯(200)进行检测；
    所述传送机构(30)传送所述电芯(200)移出所述检测区域。
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