CN113928874A - Continuous detection device for quality of battery cell - Google Patents
Continuous detection device for quality of battery cell Download PDFInfo
- Publication number
- CN113928874A CN113928874A CN202111548870.9A CN202111548870A CN113928874A CN 113928874 A CN113928874 A CN 113928874A CN 202111548870 A CN202111548870 A CN 202111548870A CN 113928874 A CN113928874 A CN 113928874A
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- Prior art keywords
- conveying
- detection
- battery cell
- controller
- screening material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a continuous detection device for battery core quality, and mainly relates to the field of battery performance detection. A continuous detection device for quality of a battery cell comprises a conveying device, a storage bin, a detection mechanism, a screening material channel and a controller, wherein the storage bin is arranged at the front end of the conveying device, the detection mechanism is arranged at the tail end of the conveying device, the screening material channel is connected to the tail of the conveying device, and the conveying device, the detection mechanism and the screening material channel are all adapted to the controller; the conveying device comprises a conveying frame, a driving motor and a conveying belt, a driving roller and a driven roller are arranged at the front end and the rear end of the conveying frame, the driving motor is arranged on one side of the conveying frame, a plurality of separation blades are evenly arranged at the top of the conveying belt, and a plurality of conveying grooves are formed in the separation blades at the top of the conveying belt at intervals. The invention has the beneficial effects that: the invention can realize the assembly line detection of the battery cell performance, has high detection efficiency and high accuracy, greatly saves the manpower and ensures the high-quality proceeding of the lithium battery PACK.
Description
Technical Field
The invention mainly relates to the field of battery performance detection, in particular to a battery core quality continuous detection device.
Background
Under the big background of the present new national standard, the demand of lithium batteries is increasing, and the process of assembling lithium battery electric cores into groups is called PACK, and can be a single battery, and can also be a series-parallel battery module and the like. For the battery module, the battery PACK requires high consistency in capacity, internal resistance, voltage, service life and the like of the battery cell, so that comprehensive detection needs to be performed on the performance of the battery cell before the battery cell is assembled.
The detection of the battery cell is delicate and heavy work, the labor consumption applied to the battery cell detection is very high at present, and the precision of a performance detection project of the battery cell is difficult to guarantee.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the continuous detection device for the quality of the battery cell, which can realize the flow line detection of the performance of the battery cell, has high detection efficiency and high accuracy, greatly saves manpower and ensures the high-quality proceeding of the lithium battery PACK.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a continuous detection device for quality of a battery cell comprises a conveying device, a storage bin, a detection mechanism, a screening material channel and a controller, wherein the storage bin is arranged at the front end of the conveying device, the detection mechanism is arranged at the tail end of the conveying device, the screening material channel is connected to the tail of the conveying device, and the conveying device, the detection mechanism and the screening material channel are all adapted to the controller; the conveying device comprises a conveying frame, a driving motor and a conveying belt, wherein a driving roller and a driven roller are arranged at the front end and the rear end of the conveying frame, the driving motor is arranged on one side of the conveying frame and used for driving the driving roller to rotate, the conveying belt is tensioned between the driving roller and the driven roller, a plurality of blocking pieces are uniformly arranged at the top of the conveying belt, the blocking pieces divide the top of the conveying belt into a plurality of conveying grooves, baffle plates are arranged on two sides of the top of the conveying frame, a bearing plate for bearing the top layer of the conveying belt is arranged on the top surface of the conveying frame, a sensor is arranged on one side of the top of the conveying frame, and the driving motor and the sensor are both electrically connected with a controller; the detection mechanism comprises a portal frame, the portal frame stretches over the conveying frame, a double-head cylinder is arranged at the bottom of the portal frame, detection heads are arranged on cylinder rods at two ends of the double-head cylinder, the detection heads are respectively arranged at two sides of the conveying belt, and the double-head cylinder is electrically connected with the controller; the screening material says and is the slope form and to keeping away from conveyor's oblique below setting, the screening material says that the front end sets up the opening, and the opening part sets up the baffle, flange and screening material say and set up the screening cylinder between the bottom surface, the screening cylinder is connected with the controller electricity.
The detection mechanisms are arranged at the tail end of the conveying device, and the distance between every two adjacent detection mechanisms is consistent with the distance between every two adjacent conveying grooves.
The height of the baffle does not exceed the height of the battery cell positive electrode contact.
The feed bin is vertical form, the fluting is seted up to feed bin one side, and the anodal contact of electric core suits with the fluting.
The feed bin includes a plurality of branch storehouses, divide storehouse one side bottom to set up the plug, the top of plug has the slot, through the cooperation of plug and slot realizes dividing the stack setting in storehouse.
The bottom of the sub-bin is provided with a sliding chute, and a bottom plate is arranged in the sliding chute in a sliding mode.
The driving roller and the driven roller are both toothed rollers, tooth grooves matched with the toothed rollers are formed in the conveying belt, and the driving motor is a servo motor.
Compared with the prior art, the invention has the beneficial effects that:
the invention completes the batch conveying of the electric cores through the conveying device, and utilizes the detection mechanism to detect the whole electric cores in the conveying process. Wherein whole operation process only needs the interior electric core filler of feed bin temporarily to accomplish by the manual work, and its testing process is accomplished by electric part for the full process efficiency of examining of electric core is higher, and the testing result is more accurate, and has reduced the participation of manpower, has saved the human cost.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic structural diagram of a conveying device and a storage bin of the invention;
fig. 4 is a partially enlarged view of the part a in fig. 2 according to the present invention.
Reference numerals shown in the drawings: 1. a conveying device; 2. a storage bin; 3. a detection mechanism; 4. screening a material channel; 5. a controller; 11. a carriage; 12. a drive motor; 13. a conveyor belt; 14. a conveying trough; 15. a baffle plate; 16. a sensor; 21. grooving; 22. dividing bins; 23. a plug; 24. a slot; 25. a base plate; 31. a gantry; 32. a double-ended cylinder; 33. a detection head; 41. closing the plate; 42. and (5) screening the air cylinder.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1 to 4, the device for continuously detecting quality of a battery cell according to the present invention is characterized in that: the device comprises a conveying device 1, a bin 2, a detection mechanism 3, a screening channel 4 and a controller 5, wherein the controller 5 is used as a main control unit and controls the actions of electric control and pneumatic components in the device.
The feed bin 2 is installed at the front end of the conveying device 1, the feed bin 2 is fixedly arranged above the conveying device 1 through a support, and the feed bin 2 serves as a temporary storage and blanking component of a lithium battery cell. The detection mechanism 3 is installed above the tail end of the conveying device 1, detects the battery cells conveyed by the conveying device 1 one by one, and records data of internal resistance, voltage, discharge current and the like of the battery cells. Screening material way 4 is connected at 1 afterbody of conveyor, and screening material way 4 is used for screening the electric core that is detected to accomplish on conveyor 1, and qualified electric core originally screens material way 4 and carries qualified region, and unqualified electric core is rejected by screening material way 4.
The conveying device 1, the detection mechanism 3 and the electric control and pneumatic components in the screening material channel 4 are all controlled by the controller 5.
Specifically, conveyor 1 includes carriage 11, driving motor 12 and conveyer belt 13, drive roll and driven voller are installed respectively to both ends around on carriage 11, driving motor 12 passes through the bolt fastening in carriage 11 one side, installation gear drive or chain drive between driving motor 12 and the drive roll to the drive of realization to the drive roll. The conveying belt 13 is tensioned between the driving roller and the driven roller, a plurality of blocking pieces are evenly installed on the top of the conveying belt 13, a plurality of conveying grooves 14 are formed in the top of the conveying belt 13 at intervals by the blocking pieces, and the conveying grooves 14 serve as limiting grooves of the battery core.
11 top surface bolt installations of carriage are to the board of accepting of 13 top layer bearings of conveyer belt, it can guarantee that conveyer belt 13 when carrying electric core to accept the board, therefore gravity can not take place the whereabouts radian to guarantee the sharp transportation of electric core, the positive negative pole contact of the contact electric core that the follow-up detection mechanism 3 can be accurate of guarantee.
A sensor 16 is mounted on the top side of the carriage 11, and in the present embodiment, the sensor 16 is disposed below the detection mechanism 3. The sensor 16 is configured to detect a position of the battery cell and count the battery cell, so that the battery cell can be accurately stopped at the detection position of the detection mechanism 3.
The driving motor 12 and the sensor 16 are both electrically connected with the controller 5, a detection signal of the sensor 16 is transmitted to the controller 5, and the controller 5 controls the action of the driving motor 12, so that the driving motor 12 is ensured to stop the battery cell to be detected below the detection mechanism 3 in sequence to complete the detection of the battery cell.
The detection mechanism 3 comprises a portal frame 31, the portal frame 31 spans over the conveying frame 11, a double-head cylinder 32 is mounted at the bottom of the portal frame 31, detection heads 33 are mounted on cylinder rods at two ends of the double-head cylinder 32, the detection heads 33 are respectively arranged at two sides of the conveying belt 13, and the actions of the double-head cylinder 32 are controlled by the controller 5. When the battery cell needs to be detected, the controller controls the double-head cylinder 32 to act, the detection heads 33 of the cylinder rods at the two ends are clamped on contacts at the two ends of the battery cell, and the internal resistance, the voltage, the discharge current and the like of the battery cell are detected.
The screening material channel 4 is arranged in an inclined manner towards the inclined lower part far away from the conveying device 1, and the front end of the screening material channel 4 is tightly attached to the tail end of the conveying belt 13 to carry the battery cell conveyed by the conveying belt 13. The front end of the screening material channel 4 is provided with an opening, the opening is hinged with a sealing plate 41, a screening air cylinder 42 is arranged between the flange 41 and the bottom surface of the screening material channel 4, the tail end of the screening air cylinder 42 is hinged with the bottom surface of the screening air cylinder 4, the front end of an air cylinder rod of the screening air cylinder 42 is hinged with the bottom surface of the sealing plate 41, and the opening and closing of the sealing plate 41 are controlled through the screening air cylinder 42. The screening cylinder 42 is also controlled by the controller 5.
Furthermore, a plurality of detection mechanisms 3 are arranged at the tail end of the conveying device 1, and the distance between every two adjacent detection mechanisms 3 is consistent with the distance between every two adjacent conveying grooves 14, so that a plurality of battery cells can be detected at one time, and the detection efficiency of the battery cells is improved.
Specifically, feed bin 2 is vertical form, and feed bin 2's support is located 11 one sides of carriage, and feed bin 2 direct mount is in the top of conveyer belt 13. One side of the storage bin 2 is provided with a slot 21, and a positive electrode contact of the battery cell is matched with the slot 21. The electric cores are arranged in the storage bin 2, wherein the positive poles of the electric cores face to one side of the slot 21. More specifically, in order to facilitate filling of the battery cell in the storage bin 2, the storage bin 2 is divided into a plurality of sub-bins 22, the sub-bins 22 are overlapped and inserted, and each sub-bin 22 can be independently taken down to load the battery cell. A plug 23 is integrally formed at the bottom of one side of the sub-bin 22, a slot 24 is processed at the top of the plug 23, and the sub-bin 22 is overlapped through the matching of the plug 23 and the slot 24.
The bottom of the sub-bin 22 is integrally formed with a sliding groove, and a bottom plate 25 is arranged in the sliding groove in a sliding mode. When the battery cell is required to be filled, the bottom of the sub-bin 22 is sealed by the bottom plate 25, then the battery cell is sequentially filled into the sub-bin 22, and finally the plurality of sub-bins 22 are spliced and combined to remove the bottom plate 25. When filling the cells, only the sub-compartments 22 with empty tops need to be replaced. It should be noted that the bottommost sub-bin 22 is fixedly connected with the fixed support of the bin by bolts.
The driving roller and the driven roller are both toothed rollers, the conveying belt 13 is provided with tooth grooves matched with the toothed rollers, and the driving motor 12 is a servo motor. The feeding accuracy of the conveying belt 13 can be ensured by the aid of the servo motor and the tooth transmission structure of the conveying belt 13, so that accuracy of conveying the battery cell in the stepping process of the conveying belt is ensured, and the battery cell can be accurately stopped below the detection mechanism 3.
In use, the sub-compartments 22 filled with cells are first assembled and the base plate 25 is removed. The bottom of the storage bin 2 is at a distance from the conveyor belt 13, and the distance enables the bottom cells to fall out of one cell only. The driving motor 12 is started through the controller 5, the driving motor 12 drives the conveyer belt 13 to advance, and at the moment, the battery cores in the stock bin 2 sequentially fall into the subsequent material groove 14. When the battery cell at the front end is located below the detection mechanism 3, the sensor 16 detects a signal and transmits the signal to the controller 5, the controller 5 controls the driving motor 12 to stop running and controls the cylinder rod of the double-head cylinder 32 to contract, and the detection heads 33 at the two ends of the cylinder rod are just in contact with the positive and negative contacts of the battery cell, so that the internal resistance, the voltage and the output current of the battery cell are detected and recorded in the controller 5. The controller 5 compares the data and records the unqualified battery core. After the detection is completed, the driving motor 12 is continuously started, and the feeding is carried out for the distance of N material tanks 14 under the control of the controller 5, wherein N is the set number of the detection mechanisms 3. Then detection mechanism 3 detects the electric core that new transmission comes, repeats above action and accomplishes the batched detection of electric core in feed bin 2. When there is an unqualified product in the electric core, the controller 5 records the position of the unqualified electric core, and when the unqualified electric core falls down via the screening material channel 4, the controller 5 controls the screening air cylinder 42 to open the sealing plate 41, so that the unqualified electric core is additionally collected. Qualified electric core transports PACK district feed mechanism department through follow-up conveying mechanism's transport and carries out the material loading, assembles into lithium cell group.
Claims (7)
1. The utility model provides a battery cell quality continuous detection device which characterized in that: the device comprises a conveying device (1), a bin (2), a detection mechanism (3), a screening material channel (4) and a controller (5), wherein the bin (2) is arranged at the front end of the conveying device (1), the detection mechanism (3) is arranged at the tail end of the conveying device (1), the screening material channel (4) is connected to the tail of the conveying device (1), and the conveying device (1), the detection mechanism (3) and the screening material channel (4) are all adapted to the controller (5); the conveying device (1) comprises a conveying frame (11), a driving motor (12) and a conveying belt (13), a driving roller and a driven roller are arranged at the front end and the rear end of the conveying frame (11), the driving motor (12) is arranged on one side of the conveying frame (11) and used for driving the driving roller to rotate, the conveying belt (13) is tensioned between the driving roller and the driven roller, a plurality of blocking pieces are uniformly arranged at the top of the conveying belt (13), the blocking pieces divide the top of the conveying belt (13) into a plurality of conveying grooves (14), blocking plates (15) are arranged on two sides of the top of the conveying frame (11), a bearing plate for bearing the top layer of the conveying belt (13) is arranged on the top surface of the conveying frame (11), a sensor (16) is arranged on one side of the top of the conveying frame (11), and the driving motor (12) and the sensor (16) are electrically connected with a controller (5); the detection mechanism (3) comprises a portal frame (31), the portal frame (31) stretches over the conveying frame (11), a double-head cylinder (32) is arranged at the bottom of the portal frame (31), cylinder rods at two ends of the double-head cylinder (32) are respectively provided with a detection head (33), the detection heads (33) are respectively arranged at two sides of the conveying belt (13), and the double-head cylinder (32) is electrically connected with the controller (5); screening material way (4) are the slope form and set up to the oblique below of keeping away from conveyor (1), screening material way (4) front end sets up the opening, and the opening part sets up shrouding (41), set up screening cylinder (42) between flange (41) and screening material way (4) bottom surface, screening cylinder (42) are connected with controller (5) electricity.
2. The device of claim 1, wherein: the detecting mechanisms (3) are arranged at the tail end of the conveying device (1), and the distance between every two adjacent detecting mechanisms (3) is consistent with the distance between every two adjacent conveying grooves (14).
3. The device of claim 1, wherein: the height of the baffle (15) does not exceed the height of the positive electrode contact of the battery core.
4. The device of claim 1, wherein: the storage bin (2) is vertical, a notch (21) is formed in one side of the storage bin (2), and a positive electrode contact of the battery cell is matched with the notch (21).
5. The device of claim 4, wherein: feed bin (2) include a plurality of branch storehouses (22), divide storehouse (22) one side bottom to set up plug (23), the top of plug (23) has slot (24), through the stack setting of branch storehouse (22) is realized with the cooperation of slot (24) in plug (23).
6. The device of claim 5, wherein: the bottom of the sub-bin (22) is provided with a sliding chute, and a bottom plate (25) is arranged in the sliding chute in a sliding mode.
7. The device for continuously detecting the quality of the battery cell according to any one of claims 1 to 6, wherein: the driving roller and the driven roller are both toothed rollers, tooth grooves matched with the toothed rollers are formed in the conveying belt (13), and the driving motor (12) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548870.9A CN113928874A (en) | 2021-12-17 | 2021-12-17 | Continuous detection device for quality of battery cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548870.9A CN113928874A (en) | 2021-12-17 | 2021-12-17 | Continuous detection device for quality of battery cell |
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| CN113928874A true CN113928874A (en) | 2022-01-14 |
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| CN202111548870.9A Pending CN113928874A (en) | 2021-12-17 | 2021-12-17 | Continuous detection device for quality of battery cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275463A (en) * | 2022-03-02 | 2022-04-05 | 山东希格斯新能源有限责任公司 | Lithium cell PACK is with cylinder electricity core reason material device |
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| CN112264331A (en) * | 2020-10-26 | 2021-01-26 | 速博达(深圳)自动化有限公司 | High-speed sorting machine for cylindrical battery cores |
| CN214077935U (en) * | 2020-10-26 | 2021-08-31 | 速博达(深圳)自动化有限公司 | High-speed sorting machine for cylindrical battery cores |
| CN214022094U (en) * | 2020-12-04 | 2021-08-24 | 苏州工业园区普耐尔电子有限公司 | Take electric core sorting machine of electric core collecting device |
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| CN114275463B (en) * | 2022-03-02 | 2022-05-03 | 山东希格斯新能源有限责任公司 | Lithium cell PACK is with cylinder electricity core reason material device |
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