CN209803303U - Soft packet of power battery OCV test equipment - Google Patents
Soft packet of power battery OCV test equipment Download PDFInfo
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- CN209803303U CN209803303U CN201920072627.6U CN201920072627U CN209803303U CN 209803303 U CN209803303 U CN 209803303U CN 201920072627 U CN201920072627 U CN 201920072627U CN 209803303 U CN209803303 U CN 209803303U
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Abstract
Laminate polymer power battery OCV test equipment includes: a frame; the battery testing assembly is arranged in the rack; a battery clamping movement mechanism; a battery tray; the movement mechanism control assembly is used for controlling the movement of the movement part of the battery clamping movement mechanism so as to drive the clamping part to clamp or release the soft package power battery in the battery tray clamping space; the safety protection sensor assembly is used for acquiring signals of all parts in the rack and transmitting the signals to the battery OCV test control mechanism; and the battery OCV test control mechanism is used for controlling the work of the battery clamping movement mechanism, the movement mechanism control assembly and the safety protection sensor assembly. The beneficial effects of the utility model are embodied in: the device completes the OCV/IR test of the soft package lithium battery in the same machine, and can also perform the open-circuit voltage test or the battery internal resistance test independently and specially, so that the compatibility is strong.
Description
Technical Field
the utility model relates to a soft packet of power battery OCV test equipment belongs to the technical field that lithium ion battery made.
Background
The soft package power battery is one kind of lithium ion battery, and compared with a liquid lithium battery, the soft package power battery has the obvious advantages of high energy density, miniaturization, ultra-thinness, light weight, high safety and the like, and is a novel battery. In the production process of the soft package lithium ion battery, the OCV test is an important process. After the battery after the formation and grading process is placed still for a period of time, a plurality of open-circuit voltage tests are carried out, and one of important parameters of the battery grade is judged according to the measured parameters.
Disclosure of Invention
in order to overcome the production that has unable compatible multiple battery size, unable compatible unilateral utmost point ear and two side utmost point ear batteries, shortcoming such as mass production efficiency low among the current soft packet of power battery OCV test procedure, the utility model provides a convenient operation, security are high, can be compatible multiple battery size's soft packet of power battery OCV test equipment simultaneously.
Soft packet of power battery OCV test equipment, its characterized in that: the method comprises the following steps:
The rack is provided with a plurality of mounting stations and is used for mounting working components;
The battery testing assembly is arranged in the rack, wherein a power supply end of the battery testing assembly is electrically connected with a power transmission end of the battery clamping movement mechanism and is used for carrying out battery voltage and internal resistance on the soft package power battery clamped in the battery clamping movement mechanism;
the battery clamping and moving mechanism is arranged in the rack and comprises a moving part and two oppositely arranged clamping parts, and the clamping parts are arranged on the moving part and move along with the movement of the moving part; a battery tray clamping space is reserved between the two clamping parts and used for clamping positive and negative electrode tabs of the soft package power battery arranged in the battery tray;
the battery tray is arranged in the battery tray clamping space and is provided with a battery placing cavity for placing the soft package power battery, and the side surface of the battery placing cavity, facing the clamping part of the battery clamping movement mechanism, is provided with a hollow hole for exposing positive and negative electrode tabs of the soft package power battery;
The moving mechanism control assembly is arranged in the rack, and a signal output end of the moving mechanism control assembly is electrically connected with a signal input end of a moving part of the battery clamping moving mechanism and is used for controlling the movement of the moving part of the battery clamping moving mechanism so as to drive the clamping part to clamp or release the soft package power battery in the clamping space of the battery tray;
The safety protection sensor assembly is arranged in the rack and used for acquiring signals of all parts in the rack and transmitting the signals to the battery OCV test control mechanism;
And the battery OCV test control mechanism is arranged in the frame, the signal input end of the battery OCV test control mechanism is electrically connected with the signal output end of the safety protection sensor assembly, and the signal output end of the battery OCV test control mechanism is electrically connected with the signal input end of the movement mechanism control assembly, so that the battery clamp movement mechanism, the movement mechanism control assembly and the safety protection sensor assembly are controlled to work.
The battery testing assembly comprises a voltage internal resistance testing assembly, a DSP control panel and a relay board, the voltage internal resistance testing assembly comprises a voltmeter and an internal resistance instrument, and testing ports of the voltmeter and the internal resistance instrument are respectively and electrically connected with a first signal connecting end of the DSP control panel and are used for testing the voltage and the internal resistance of the battery; the second signal connecting end of the DSP control board is electrically connected with the first signal connecting end of the relay board, and the second signal connecting end of the relay is electrically connected with the power transmission end of the battery clamping movement mechanism as the power supply end of the battery testing assembly, so that the DSP control board controls the relay board to realize channel switching and battery single-pole and double-pole lug switching.
The battery clamping movement mechanism comprises a bottom plate, tab clamps for clamping positive and negative electrode tabs of a lithium ion battery, a battery tray tightly-holding cylinder part for tightly holding and positioning a battery tray, a tab clamp pressing cylinder part for connecting the battery tabs with the tab clamps in a contact manner, a battery tray support frame for supporting the bottom of the battery tray, a horizontally-moving electric cylinder part of the tab clamp pressing part for moving the tab clamps to the positions of the battery tabs, a wire bundle part and a pneumatic control part connected with the battery control mechanism, wherein the bottom plate is provided with a horizontally-arranged processing surface, two sets of horizontally-moving electric cylinder parts are symmetrically arranged on the processing surface, the movable ends of the two sets of horizontally-moving electric cylinder parts are kept to move oppositely or reversely, and the movable end tab clamp pressing cylinder part of each set of horizontally-moving electric cylinder part is assembled with the cylinder part, the moving direction of the movable end of the lug clamp pressing cylinder part is vertical to the moving direction of the movable end of the horizontally moving electric cylinder part; the side, facing the battery tray, of the lug clamp pressing cylinder part is provided with the lug clamp, and the lug clamp can compress or stretch along the axial direction of the lug clamp pressing cylinder part so as to realize the contact connection between the battery lug and the lug clamp and the compression of the battery lug and the lug clamp; the battery tray support frame is arranged on the bottom plate processing surface below the battery tray clamping space, and a battery tray holding cylinder component is arranged on the battery tray support frame; the lug clamp, the battery tray tightly-holding cylinder component, the lug clamp pressing cylinder component, the horizontal moving electric cylinder component of the lug clamp pressing component and the wire harness component are in signal connection with the signal output end of the pneumatic control component, and the signal input end of the pneumatic control component is in signal connection with the corresponding signal output end of the battery OCV test control mechanism, so that the control of the pneumatic control component on the lug clamp, the battery tray tightly-holding cylinder component, the lug clamp pressing cylinder component, the horizontal moving electric cylinder component of the lug clamp pressing component and the wire harness component is realized; the wire bundle component is electrically connected with the power supply end of the voltage internal resistance testing component.
The battery tray comprises a base, an outer frame and a tray lining, wherein the bottom of the outer frame is fixedly installed on the base, so that a battery placing cavity for containing the soft package lithium battery is defined by the outer frame and the base; two opposite side surfaces of the outer frame are provided with hollow holes for the lugs of the soft-package lithium battery to extend out; the tray inside lining is laid on the base surface to tray inside lining surface is equipped with the position of placing that a plurality of is used for placing soft packet of power battery and matches with soft packet of power battery's shape size, and soft packet of power battery is placed perpendicularly and is being placed on placing the position, and keep soft packet of power battery's utmost point ear to control to stretch out the back can cooperate with motion's utmost point ear anchor clamps.
And the outer frame is provided with an ID number for carrying out flow management on the soft package power battery.
The motion mechanism control assembly comprises a wiring terminal, an electronic circuit, a PLC controller, an auxiliary working power supply, a circuit protector, a filter, an intermediate relay, a signal processor and an operation panel, wherein the wiring terminal, the electronic circuit, the PLC controller, the auxiliary working power supply, the circuit protector, the filter, the intermediate relay, the operation panel and the signal processor are all arranged in a rack, the wiring terminals of the circuit protector, the intermediate relay and the PLC controller are all provided with one wiring terminal, the power transmission end of the auxiliary working power supply is electrically connected with the power supply end of the DSP control panel through the corresponding wiring terminal, the first signal transmission end of the PLC controller is electrically connected with the first signal transmission end of the operation panel, and the circuit protector, the filter and the intermediate relay are electrically connected with the second signal transmission port of the PLC controller through the corresponding wiring terminals, the third signal transmission port of PLC controller with signal processor's first signal transmission port signal connection, signal processor's signal input part through corresponding communication interface with battery OCV test control mechanism's signal communication mouth signal connection, battery OCV test control mechanism signal output part with the motion control assembly signal connection, signal processor's signal output part with the battery press from both sides the electricity of dress motion for the realization presss from both sides the control of dress motion to the battery.
the safety protection sensor assembly comprises a smoke alarm sensor, a position correlation sensor, a code scanner and a magnetic sensor, wherein the smoke alarm sensor is installed above the top of the battery clamp moving mechanism, the position correlation sensor is used for detecting the putting state of a battery tray and indicating the battery tray to tightly hold the cylinder part to act after the battery tray reaches the correct position, the code scanner is used for reading tray information, the magnetic sensor is used for detecting the current position state of the battery tray tightly holding the cylinder part, the smoke alarm sensor and the position correlation sensor are both arranged on a rack at the top of the clamp moving mechanism, each tray corresponds to two smoke alarm sensors and two position correlation sensors, and the position correlation sensors are oppositely arranged on the same horizontal line and keep mutual correlation; the magnetic sensor is arranged on the battery tray holding cylinder component and used for detecting the position state of the current battery tray holding cylinder component in real time; the code scanner is arranged at a caching station at the front part of the rack, and when the tray flows into the front part of the rack, the ID information of the tray is read so as to correspondingly store the test parameters.
The battery tray is sent into OCV equipment by commodity circulation loading mechanism, and equipment meeting automated inspection is whether have the tray to get into, waits to confirm that the tray sweeps the sign indicating number and gets into the back, starts tray positioning mechanism, waits that the position is confirmed to finish the back and controls clamping mechanism and be close to the battery to the centre, waits that clamping mechanism targets in place the back anchor clamps can self-holding battery utmost point ear, wait to confirm to press from both sides after tight utmost point ear automatic start OCV test flow, and each step of action all is equipped with sensor position and confirms at this in-process, waits that the flow finishes to be sent into next station by the commodity circulation. And the clamp clamping mechanism is provided with an upper layer of lug clamp and a lower layer of lug clamp towards one side of the battery tray frame and is used for simultaneously being compatible with a single-side lug battery and a double-side lug battery.
The surface of the tray inside lining of battery tray be equipped with soft packet of power battery's shape size match, be used for placing soft packet of power battery's a plurality of positions of placing, can change the battery through changing the tray inside lining and place quantity, be respectively 20, 25, 36, 48, 64 etc. soft packet of power battery is placed perpendicularly and is placing the position, utmost point ear stretches out and with the utmost point ear anchor clamps cooperation effect who presss from both sides dress motion. The battery tray is made of a stackable turnover box formed by a flame-retardant material die, and the tabs of the battery extend out from the left and right neutral positions of the tray and are matched with the tab clamps of the battery clamp moving mechanism.
The flexible package power battery OCV testing equipment has two modes of automatic testing and manual testing. In the automatic mode, the equipment can automatically complete the whole process from the tray receiving test to the tray discharging test. And automatically uploading the parameters. The reliability of test data is ensured without human intervention and the labor force is liberated; in the manual mode. The user can freely control the motion of the motion mechanism. And the manual test, the fault detection and other work are realized.
the beneficial effects of the utility model are embodied in: the device completes the OCV/IR test of the soft package lithium battery in the same machine, can also be used for carrying out the open-circuit voltage test or the battery internal resistance test independently and specially, can be compatible with various battery sizes, can be compatible with the production of batteries with single-side tabs and double-side tabs, simplifies the equipment variety, can be suitable for multilayer stacking, is suitable for a stacker to put in the battery tray and also can work in a mode of putting in the battery tray in a logistics line, improves the automatic production efficiency, and has the characteristics of good maintainability and strong compatibility.
drawings
Fig. 1a is the structure schematic diagram of the utility model discloses soft packet of power battery OCV equipment.
fig. 1b is the utility model discloses soft packet of power battery OCV equipment elevation.
Fig. 1c is the utility model discloses soft packet of power battery OCV equipment rear view.
Fig. 1d is the utility model discloses soft packet of power battery OCV equipment top view.
Fig. 2a is a structural diagram of the battery tray clamping movement mechanism of the present invention.
Fig. 2b is a schematic structural view of the two-layer lug clamp of the battery tray clamping movement mechanism of the present invention.
Fig. 3a is a schematic structural view of the battery tray with single-side tabs according to the present invention.
Fig. 3b is a schematic structural view of the battery tray with double side tabs according to the present invention.
Fig. 4 is a schematic layout diagram of the PLC bottom plate of the OCV machine of the control motion mechanism of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 soft packet of power battery OCV test equipment, include:
The machine frame 1 is provided with a plurality of mounting stations and is used for mounting working components;
The battery testing assembly 2 is arranged in the rack, wherein the power supply end of the battery testing assembly is electrically connected with the power transmission end of the battery clamping movement mechanism and is used for carrying out battery voltage and internal resistance on the soft package power battery clamped in the battery clamping movement mechanism;
the battery clamping movement mechanism 3 is arranged in the frame and comprises a movement part and two oppositely arranged clamping parts, and the clamping parts are arranged on the movement part and move along with the movement of the movement part; a battery tray clamping space 39 is reserved between the two clamping parts and used for clamping positive and negative electrode tabs of the soft package power battery arranged in the battery tray;
the battery tray 4 is arranged in the battery tray clamping space and is provided with a battery placing cavity for placing the soft package power battery, and the side surface of the battery placing cavity, facing the clamping part of the battery clamping movement mechanism, is provided with a hollow hole for exposing a positive electrode tab and a negative electrode tab of the soft package power battery;
The moving mechanism control assembly 5 is arranged in the rack, and a signal output end of the moving mechanism control assembly is electrically connected with a signal input end of a moving part of the battery clamping moving mechanism and is used for controlling the movement of the moving part of the battery clamping moving mechanism so as to drive a clamping part to clamp or release a soft package power battery in a battery tray clamping space;
The safety protection sensor assembly 6 is arranged in the rack and used for acquiring signals of all parts in the rack and transmitting the signals to the battery OCV test control mechanism;
and the battery OCV test control mechanism is arranged in the frame, the signal input end of the battery OCV test control mechanism is electrically connected with the signal output end of the safety protection sensor assembly, and the signal output end of the battery OCV test control mechanism is electrically connected with the signal input end of the movement mechanism control assembly, so that the battery clamp movement mechanism, the movement mechanism control assembly and the safety protection sensor assembly are controlled to work.
The battery testing component 2 comprises a voltage internal resistance testing component, a DSP control panel and a relay board, the voltage internal resistance testing component comprises a voltmeter and an internal resistance instrument, and testing ports of the voltmeter and the internal resistance instrument are respectively and electrically connected with a first signal connecting end of the DSP control panel and are used for testing the voltage and the internal resistance of the battery; the second signal connecting end of the DSP control board is electrically connected with the first signal connecting end of the relay board, and the second signal connecting end of the relay is electrically connected with the power transmission end of the battery clamping movement mechanism as the power supply end of the battery testing assembly, so that the DSP control board controls the relay board to realize channel switching and battery single-pole and double-pole lug switching.
The battery clamping movement mechanism 3 comprises a bottom plate 31, tab clamps 38 for clamping positive and negative electrode tabs of a lithium ion battery, a battery tray holding cylinder part 32 for holding a battery tray in a locking and positioning manner, a tab clamp pressing cylinder part 33 for connecting the battery tabs with the tab clamps in a contact manner, a battery tray support frame 34 for supporting the bottom of the battery tray, a horizontally moving electric cylinder part 35 of the tab clamp pressing part for moving the tab clamps to the positions of the battery tabs, a wire harness part 37 and a pneumatic control part 37 connected with the battery control mechanism, wherein the bottom plate 31 is provided with a horizontally arranged processing surface, two sets of horizontally moving electric cylinder parts 35 are symmetrically arranged on the processing surface, the movable ends of the two sets of horizontally moving electric cylinder parts 35 are kept to move oppositely or reversely, and the movable end assembling clamp of each set of horizontally moving electric cylinder part 35 presses the tab clamp pressing cylinder part 33, the moving direction of the movable end of the tab clamp pressing cylinder part 33 is vertical to the moving direction of the movable end of the horizontal moving cylinder part 35; the lug clamp pressing cylinder part 33 is provided with lug clamps 38 towards one side of the battery tray 4, and the lug clamps 38 can be compressed or stretched along the axial direction of the lug clamp pressing cylinder part 33 so as to realize the contact connection of the battery lugs and the lug clamps and the compression of the battery lugs and the lug clamps; the battery tray support frame 34 is arranged on the bottom plate processing surface below the battery tray clamping space 39, and the battery tray holding cylinder part 32 is arranged on the battery tray support frame 34; the lug clamp 38, the battery tray clasping cylinder part 32, the lug clamp pressing cylinder part 33, the horizontally moving electric cylinder part 35 of the lug clamp pressing part and the wire harness part 36 are in signal connection with the signal output end of the pneumatic control part 37, and the signal input end of the pneumatic control part 37 is in signal connection with the corresponding signal output end of the battery OCV test control mechanism, so that the control of the horizontally moving electric cylinder part and the wire harness part of the pneumatic control part on the lug clamp, the battery tray clasping cylinder part, the lug clamp pressing cylinder part and the lug clamp pressing part is realized; the wire bundle component is electrically connected with the power supply end of the voltage internal resistance testing component.
The battery tray 4 comprises a base 41, an outer frame 45 and a tray lining 42, wherein the bottom of the outer frame 45 is fixedly installed on the base 41, so that a battery placing cavity for containing a soft package lithium battery 43 is defined by the outer frame 45 and the base 41; two opposite side surfaces of the outer frame are provided with hollow holes 451 for the lugs 44 of the soft-package lithium battery to extend out; tray inside lining 42 is laid on the base surface to tray inside lining 42 surface is equipped with the position of placing that a plurality of is used for placing soft packet of power battery and matches with soft packet of power battery's shape size, and soft packet of power battery is placed perpendicularly and is being placed on placing the position, and keep soft packet of power battery's utmost point ear to control to stretch out the back can cooperate with motion mechanism's utmost point ear anchor clamps.
and the outer frame 45 is provided with an ID number for carrying out flow management on the soft package power battery.
The motion mechanism control assembly 5 comprises a connection terminal 21, an electronic circuit, a PLC (programmable logic controller) 22, an auxiliary working power supply 23, a circuit protector 24, a filter 25, an intermediate relay 26, a signal processor 27 and an operation panel 28, wherein the connection terminal, the electronic circuit, the PLC, the auxiliary working power supply, the circuit protector, the filter, the intermediate relay, the operation panel and the signal processor are all arranged in a frame, one connection terminal is arranged on each of the connection terminals of the circuit protector, the intermediate relay and the PLC, the power transmission end of the auxiliary working power supply is electrically connected with the power supply end of the DSP control panel through the corresponding connection terminal, the first signal transmission end of the PLC is electrically connected with the first signal transmission end of the operation panel, and the circuit protector, the filter and the intermediate relay are electrically connected with the second signal transmission port of the PLC through the corresponding connection terminals, the third signal transmission port of PLC controller with signal processor's first signal transmission port signal connection, signal processor's signal input part through corresponding communication interface with battery OCV test control mechanism's signal communication mouth signal connection, battery OCV test control mechanism signal output part with the motion control assembly signal connection, signal processor's signal output part with the battery press from both sides the electricity of dress motion for the realization presss from both sides the control of dress motion to the battery.
the safety protection sensor assembly 6 comprises a smoke alarm sensor 61, a position correlation sensor 62, a code scanner 66 and a magnetic sensor 65, wherein the smoke alarm sensor 61 is installed above the top of the battery clamping movement mechanism, the position correlation sensor 62 is used for detecting the putting state of a battery tray and indicating the action of the battery tray clamping cylinder part after the battery tray reaches the correct position, the code scanner 66 is used for reading tray information, and the magnetic sensor 65 is used for detecting the current position state of the battery tray clamping cylinder part; the magnetic sensor 65 is installed on the battery tray holding cylinder component and used for detecting the current position state of the battery tray holding cylinder component in real time; the scanner 66 is mounted at a buffer station at the front of the rack and reads the tray ID information as the trays flow into the front of the rack to store the test parameters accordingly.
The battery tray 4 is sent into the OCV equipment by the commodity circulation loading mechanism, whether the equipment can automated inspection has the tray to get into, wait to confirm that the tray sweeps the sign indicating number and gets into the back, start tray positioning mechanism, it is close to the battery to control clamping mechanism to the centre after the position is confirmed to finish, it can self-holding battery tab to wait that the clamp system targets in place the back anchor clamps, wait to confirm to press from both sides behind the tab and the automatic OCV test flow that starts, it confirms all to be equipped with the sensor position at this in-process each step of action, it is sent into next station by the commodity circulation loading machine is automatic. And the clamp clamping mechanism is provided with an upper layer of lug clamp and a lower layer of lug clamp towards one side of the battery tray frame and is used for simultaneously being compatible with a single-side lug battery and a double-side lug battery.
The surface of the tray inside lining of battery tray 4 be equipped with soft packet of power battery's shape size match, be used for placing soft packet of power battery's a plurality of positions of placing, can change the battery through changing the tray inside lining and place quantity, be respectively 20, 25, 36, 48, 64 etc. soft packet of power battery is placed perpendicularly and is placing the position, utmost point ear stretches out and with the utmost point ear anchor clamps cooperation effect that presss from both sides the dress motion. The battery tray is made of a stackable turnover box formed by a flame-retardant material die, and the tabs of the battery extend out from the left and right neutral positions of the tray and are matched with the tab clamps of the battery clamp moving mechanism.
The flexible package power battery OCV testing equipment has two modes of automatic testing and manual testing. In the automatic mode, the equipment can automatically complete the whole process from the tray receiving test to the tray discharging test. And automatically uploading the parameters. The reliability of test data is ensured without human intervention and the labor force is liberated; in the manual mode. The user can freely control the motion of the motion mechanism. And the manual test, the fault detection and other work are realized.
embodiment 2 the utility model discloses a soft packet of power battery OCV test equipment, including frame 1, be used for testing battery voltage and internal resistance battery test assembly 2, press from both sides the battery clamp motion mechanism 3 of installing soft packet of power battery positive and negative electrode utmost point ear, be used for placing soft packet of power battery's battery tray 4, be used for controlling battery clamp motion mechanism motion mechanism control assembly 5, safety protection sensor subassembly 6 and battery OCV test control mechanism, battery clamp motion mechanism 3, battery tray 4, motion mechanism control assembly 5 and safety protection sensor subassembly 6 all with battery OCV control mechanism signal connection; and the battery testing component 2 for the battery voltage and the internal resistance is electrically connected with the power transmission end of the battery clamping movement mechanism 3.
the battery testing component 2 comprises an HP meter, a relay board, a DSP control board and the like, and the DSP control board is electrically connected with the HP meter, so that the channel switching and the battery single-pole and double-pole lug switching functions are realized.
The motion mechanism control assembly 5 comprises a connecting terminal 21, an electronic circuit, a set of PLC system 22, an auxiliary working power supply 23, a circuit protector 24, a filter 25, an intermediate relay 26, a signal processor 27 and an operation panel 28, and controls and processes all electric signals generated by the motion of the motion mechanism. The special signal is processed by the signal processor 27 via the TCP protocol.
the battery OCV clamping movement mechanism 3 comprises a bottom plate 31, tab clamps 38 arranged on a plane aluminum plate and used for clamping positive and negative electrode tabs of a lithium ion battery, a battery tray holding cylinder part 32 used for holding a battery tray, locking and positioning the battery tray, a tab clamp pressing cylinder part 33 used for connecting the battery tabs with the tab clamps in a contact manner, a battery tray supporting frame 34 used for supporting the battery tray, a horizontally moving electric cylinder part 35 of the tab clamp pressing part used for moving the tab clamps to the positions of the battery tabs, a wire harness part 36 and a pneumatic control part 37 connected with the battery OCV control mechanism, wherein the bottom plate 31 is horizontally arranged on a rack, two sets of horizontally moving electric cylinder parts 35 are symmetrically arranged on the bottom plate 31, the movable ends of the two sets of horizontally moving electric cylinder parts are kept moving oppositely or reversely, and the tab clamp pressing cylinder part is assembled at the movable end of each set of the horizontally moving electric cylinder parts 35, the moving direction of the movable end of the lug clamp pressing cylinder part 33 is vertical to the moving direction of the movable end of the horizontally moving electric cylinder part; the lug clamps are arranged on the side, facing the battery tray frame, of the lug clamp pressing cylinder part 33, and the lug clamps 38 can axially compress or stretch along the lug clamp pressing cylinder part so as to realize the contact connection between the battery lugs and the lug clamps and simultaneously realize the pressing of the battery lugs and the lug clamps; the battery tray support frame 34 is arranged on the bottom plate 31 between the two sets of tab clamps, and a battery tray holding cylinder part 32 is arranged on the battery tray support frame 34; the lug clamp 38, the battery tray clasping cylinder part 32, the lug clamp pressing cylinder part 33, the horizontal moving electric cylinder part 35 of the lug clamp pressing part and the wire harness part 36 are in signal connection with the signal output end of the pneumatic control part 37, and the signal input end of the pneumatic control part 37 is in signal connection with the corresponding signal output end of the battery OCV control mechanism, so that the control of the pneumatic control part on the lug clamp 38, the battery tray clasping cylinder part 32, the lug clamp pressing cylinder part 33, the horizontal moving electric cylinder part 35 of the lug clamp pressing part and the wire harness part 36 is realized; the wire harness component is electrically connected with the voltage testing assembly.
The bottom plate is a plane aluminum plate, and the battery OCV clamping movement mechanism can be provided with two bottom plates and can also share one bottom plate.
The battery tray 4 comprises a base 41, an outer frame 45 and a tray lining 42, wherein the bottom of the outer frame 45 is fixedly installed on the base 41, so that a containing cavity for containing a soft package lithium battery is defined by the outer frame 45 and the base 41; two opposite side surfaces of the outer frame 45 are provided with hollow holes for the lugs 44 of the soft-package lithium battery 43 to extend out; tray inside lining 42 is laid on 41 surfaces of base to tray inside lining 42 surface is equipped with the position of placing that a plurality of is used for placing soft packet of power battery and matches with soft packet of power battery's shape size, and soft packet of power battery 43 is placed perpendicularly on placing the position, and can cooperate with battery OCV motion mechanism's utmost point ear anchor clamps after keeping soft packet of power battery's utmost point ear to stretch out about.
The battery tray base 41 is provided with an ID number for carrying out process management on the soft package power battery.
The safety protection sensor assembly 6 comprises a smoke alarm sensor 61 arranged at the top of the battery OCV clamping movement mechanism, a position correlation sensor 62 used for detecting the putting state of a battery tray and indicating the battery tray to tightly hold a cylinder part to act after the battery tray reaches the correct position, a groove type photoelectric sensor 63 used for detecting the state of a tab cylinder, a diffuse reflection photoelectric sensor 64 used for detecting the state of a holding cylinder and the direction state of the tray, a magnetic sensor 65 used for detecting the state of the cylinder, a code scanner 66 used for detecting the ID information of the tray, a pressure sensor 67 used for detecting the current air pressure state of equipment and an intermediate relay 26 used for detecting the external power supply state of the equipment, wherein the smoke alarm sensor 61 and the frame at the top of the position correlation sensor movement mechanism are arranged; the signal output end of the smoke alarm sensor and the signal output end of the position correlation sensor are respectively in signal connection with the corresponding signal output end of the battery OCV control mechanism; the groove-shaped photoelectric sensor is arranged on the mounting frame of the lug clamp and used for detecting the state of the clamp; the diffuse reflection photoelectric sensor is arranged on the bottom plate and used for detecting the state of the holding cylinder and the direction state of the tray; the pressure sensor is arranged at the bottom of the battery clamping movement mechanism and used for detecting the pressure borne by the bottom plate; the signal output ends of the groove-shaped photoelectric sensor, the diffuse reflection photoelectric sensor and the pressure sensor are respectively and electrically connected or in signal connection with the signal output end of the battery OCV test control mechanism; the groove-shaped photoelectric sensor 63 detects the state of the clamp, and the magnetic sensor detects the state of the current cylinder in real time. Wherein, the smoke sensor 61, the pressure sensor 67 and an intermediate relay for detecting the external power supply of the equipment are opened when the signal is abnormal, and the equipment is not allowed to act to prevent the occurrence of safety accidents.
the battery tray is sent into OCV test equipment by commodity circulation loading mechanism, whether the equipment can automated inspection has the tray to get into, wait to confirm that the tray sweeps the sign indicating number and gets into the back, start tray positioning mechanism, it is close to the battery to control clamping mechanism to the centre after the position is confirmed to finish, it can self-holding battery tab to wait that the back anchor clamps that clamping mechanism targets in place can self-holding, wait to confirm to press from both sides after pressing from both sides the tab and automatically start the test, it confirms all to be equipped with the sensor position at this in-process each step of action, the equipment that awaits measuring to finish sends a signal and. And the clamp clamping mechanism is provided with an upper layer of lug clamp and a lower layer of lug clamp towards one side of the battery tray frame and is used for simultaneously being compatible with a single-side lug battery and a double-side lug battery.
The surface of the tray inside lining of battery tray be equipped with soft packet of power battery's shape size match, be used for placing soft packet of power battery's a plurality of positions of placing, can change the battery through changing the tray inside lining and place quantity, be respectively 20, 25, 36, 48, 64 etc. soft packet of power battery is placed perpendicularly and is placing the position, utmost point ear stretches out and with the utmost point ear anchor clamps cooperation effect who presss from both sides dress motion. The battery tray is made of a flame-retardant material, and the tabs of the battery extend out of the left and right neutral positions of the tray and are matched with the tab clamps of the OCV clamping movement mechanism of the battery.
The battery OCV control mechanism is transmitted with the PLC through a specific communication interface, and the system works in a master-slave mode and is suitable for a distributed control network system.
The OCV testing device has two states of a manual testing production mode and an automatic production mode. The manual mode can be manually intervened in the production test. This test requires the operator to have some knowledge of the OCV test. The equipment can carry out the test work in full automation under the automatic mode. The system has a fault detection function, abnormal states of most of equipment can automatically display abnormal points, and maintenance is facilitated.
Embodiment 3 referring to fig. 1 to 4, a soft-package power battery OCV testing apparatus includes a rack 1, a battery testing component 2 for testing battery voltage and internal resistance, a battery OCV clamping movement mechanism 3 for clamping positive and negative electrode tabs of a soft-package power battery, a battery tray 4, a movement mechanism control component, a safety protection sensor component 6, and a control mechanism arranged in a master controller, wherein the battery testing component 2 for testing battery voltage and internal resistance, the battery OCV clamping movement mechanism 3, the battery tray 4, the movement mechanism control component, and the safety protection sensor component 6 are controlled by one control mechanism, and the control mechanism is arranged in the master controller outside the rack; the voltage testing component 2 is electrically connected with the battery OCV clamping movement mechanism 3.
The battery OCV clamping movement mechanism 3 comprises a bottom plate 31, a tab clamp 38, a tab clamp pressing cylinder part 33, a battery tray supporting frame 34, a horizontal moving electric cylinder part 35, a wire bundle part 36 and a pneumatic control part 37, wherein the tab clamp 38 is arranged on the bottom plate 31 and used for clamping positive and negative electrode tabs of a soft package power battery, the tab clamp pressing cylinder part 33 is used for connecting the battery tabs with the tab clamp in a contact manner, the battery tray supporting frame 34 is used for supporting a battery tray, the tab clamp pressing part 35 is used for moving the tab clamp to a battery tab position, the wire bundle part 37 and the battery OCV control mechanism are connected with the battery OCV control mechanism, the tab clamp 38, the tab clamp pressing cylinder part 33, the horizontal moving electric cylinder part 35 and the wire bundle part 36 are all controlled by the pneumatic control part 37, and the wire bundle. The voltage and current lines are connected into the voltmeter to test the battery parameters after being gated by the relay board. The bottom plate 31 is a basic reference component of the whole clamping movement mechanism 3, the battery tray 4 is placed on a battery tray support frame 34 for positioning, the left and right clamp probe components of the lug clamp pressing component 33 respectively move towards the center of the battery tray 4 in parallel under the action of the horizontally moving electric cylinder component 35, so that the positive and negative poles of the battery lug are positioned in the middle of the lug clamp 38, the lug clamp pressing cylinder component 33 presses the lug clamp 38 after action, the lower the contact impedance is, the better the contact impedance is, and the wire harness component 36 is connected with the voltage testing component 2 to realize the testing function. And the lug clamps at the two ends of the bottom plate 31 compress the air cylinder part 33, and an upper layer lug clamp 38 and a lower layer lug clamp 38 are respectively installed at one side of the battery tray frame 34 and are used for being compatible with a single-side lug battery and a double-side lug battery.
Battery tray 4 still include base 41, set up tray inside lining 42 on the base, tray inside lining 42's surface is equipped with the shape size that matches with soft packet of power battery 43, a plurality of places positions that are used for placing soft packet of power battery 43, can change the battery through changing the tray inside lining and place quantity, be 20 respectively, 25, 36, 48, 64 etc. soft packet of power battery 43 is placed perpendicularly and is being placed the position, utmost point ear 44 stretches out and with the utmost point ear anchor clamps 38 mating reaction that presss from both sides dress motion 3. The battery tray 4 is made of a flame retardant material, and the tabs 44 of the battery extend out of the left and right neutral positions of the tray 4 and are matched with the tab clamps of the battery OCV clamping movement mechanism.
the battery tray also comprises an ID number used for carrying out flow management on the soft package power battery. The whole process from the code scanning test of the inflow equipment to the battery discharge is controlled by one PC. The equipment detects the current running state in real time to prevent the generation of abnormal actions.
The safety protection sensor comprises a smoke alarm sensor 61 arranged at the top of the battery OCV clamping movement mechanism, a position correlation sensor 62 used for detecting the putting state of a battery tray and indicating the battery tray to tightly hold a cylinder component to act after the battery tray reaches the correct position, a groove type photoelectric sensor 63 used for detecting the state of a lug cylinder, a diffuse reflection photoelectric sensor 64 used for detecting the state of a holding cylinder and the direction state of the tray, a magnetic sensor 65 used for detecting the state of the cylinder, a code scanner 66 used for detecting the ID information of the tray, a pressure sensor 67 used for detecting the current air pressure state of equipment and an intermediate relay 26 used for detecting the external power supply state of the equipment, wherein the smoke alarm sensor 61 and the frame at the top of the position correlation sensor movement mechanism are arranged; and the signal output end of the smoke alarm sensor and the signal output end of the position correlation sensor are in signal connection with the corresponding signal output end of the battery OCV control mechanism respectively. The groove-type photoelectric sensor 63 detects the state of the clamp, the magnetic sensor detects the current cylinder state OCV control special software in real time, the special software is transmitted in a master controller and a PLC through a specific communication interface, and the system works in a master-slave mode and is suitable for a distributed control network system.
The OCV testing device has two states of a manual testing production mode and an automatic production mode. The manual mode can be manually intervened in the production test. This test requires the operator to have some knowledge of the OCV test. The equipment can carry out the test work in full automation under the automatic mode. The system has a fault detection function, abnormal states of most of equipment can automatically display abnormal points, and maintenance is facilitated.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (8)
1. Laminate polymer power battery OCV test equipment, its characterized in that: the method comprises the following steps:
The rack is provided with a plurality of mounting stations and is used for mounting working components;
The battery testing assembly is arranged in the rack, wherein a power supply end of the battery testing assembly is electrically connected with a power transmission end of the battery clamping movement mechanism and is used for carrying out battery voltage and internal resistance on the soft package power battery clamped in the battery clamping movement mechanism;
the battery clamping and moving mechanism is arranged in the rack and comprises a moving part and two oppositely arranged clamping parts, and the clamping parts are arranged on the moving part and move along with the movement of the moving part; a battery tray clamping space is reserved between the two clamping parts and used for clamping positive and negative electrode tabs of the soft package power battery arranged in the battery tray;
the battery tray is arranged in the battery tray clamping space and is provided with a battery placing cavity for placing the soft package power battery, and the side surface of the battery placing cavity, facing the clamping part of the battery clamping movement mechanism, is provided with a hollow hole for exposing positive and negative electrode tabs of the soft package power battery;
The moving mechanism control assembly is arranged in the rack, and a signal output end of the moving mechanism control assembly is electrically connected with a signal input end of a moving part of the battery clamping moving mechanism and is used for controlling the movement of the moving part of the battery clamping moving mechanism so as to drive the clamping part to clamp or release the soft package power battery in the clamping space of the battery tray;
The safety protection sensor assembly is arranged in the rack and used for acquiring signals of all parts in the rack and transmitting the signals to the battery OCV test control mechanism;
And the battery OCV test control mechanism is arranged in the frame, the signal input end of the battery OCV test control mechanism is electrically connected with the signal output end of the safety protection sensor assembly, and the signal output end of the battery OCV test control mechanism is electrically connected with the signal input end of the movement mechanism control assembly, so that the battery clamp movement mechanism, the movement mechanism control assembly and the safety protection sensor assembly are controlled to work.
2. The pouch power cell OCV test apparatus of claim 1, wherein: the battery testing assembly comprises a voltage internal resistance testing assembly, a DSP control panel and a relay board, the voltage internal resistance testing assembly comprises a voltmeter and an internal resistance instrument, and testing ports of the voltmeter and the internal resistance instrument are respectively and electrically connected with a first signal connecting end of the DSP control panel and are used for testing the voltage and the internal resistance of the battery; the second signal connecting end of the DSP control board is electrically connected with the first signal connecting end of the relay board, and the second signal connecting end of the relay is electrically connected with the power transmission end of the battery clamping movement mechanism as the power supply end of the battery testing assembly, so that the DSP control board controls the relay board to realize channel switching and battery single-pole and double-pole lug switching.
3. The pouch power cell OCV test apparatus of claim 2, wherein: the battery clamping movement mechanism comprises a bottom plate, tab clamps for clamping positive and negative electrode tabs of a lithium ion battery, a battery tray holding cylinder part for holding, locking and positioning a battery tray, a tab clamp pressing cylinder part for connecting the battery tabs with the tab clamps in a contact manner, a battery tray support frame for supporting the bottom of the battery tray, a horizontally moving electric cylinder part of the tab clamp pressing part for moving the tab clamps to the positions of the battery tabs, a wire bundle part and a pneumatic control part connected with the battery OCV test control mechanism, wherein the bottom plate is provided with a horizontally arranged processing surface, two sets of horizontally moving electric cylinder parts are symmetrically arranged on the processing surface, the movable ends of the two sets of horizontally moving electric cylinder parts are kept to move in opposite directions or in opposite directions, and the movable end tab clamp of each set of horizontally moving electric cylinder part presses the air cylinder part, the moving direction of the movable end of the lug clamp pressing cylinder part is vertical to the moving direction of the movable end of the horizontally moving electric cylinder part; the side, facing the battery tray, of the lug clamp pressing cylinder part is provided with the lug clamp, and the lug clamp can compress or stretch along the axial direction of the lug clamp pressing cylinder part so as to realize the contact connection between the battery lug and the lug clamp and the compression of the battery lug and the lug clamp; the battery tray support frame is arranged on the bottom plate processing surface below the battery tray clamping space, and a battery tray holding cylinder component is arranged on the battery tray support frame; the lug clamp, the battery tray tightly-holding cylinder component, the lug clamp pressing cylinder component, the horizontal moving electric cylinder component of the lug clamp pressing component and the wire harness component are in signal connection with the signal output end of the pneumatic control component, and the signal input end of the pneumatic control component is in signal connection with the corresponding signal output end of the battery OCV test control mechanism, so that the control of the pneumatic control component on the lug clamp, the battery tray tightly-holding cylinder component, the lug clamp pressing cylinder component, the horizontal moving electric cylinder component of the lug clamp pressing component and the wire harness component is realized; the wire bundle component is electrically connected with the power supply end of the voltage internal resistance testing component.
4. The pouch power cell OCV test apparatus of claim 1, wherein: the battery tray comprises a base, an outer frame and a tray lining, wherein the bottom of the outer frame is fixedly installed on the base, so that a battery placing cavity for containing the soft package lithium battery is defined by the outer frame and the base; two opposite side surfaces of the outer frame are provided with hollow holes for the lugs of the soft-package lithium battery to extend out; the tray inside lining is laid on the base surface to tray inside lining surface is equipped with the position of placing that a plurality of is used for placing soft packet of power battery and matches with soft packet of power battery's shape size, and soft packet of power battery is placed perpendicularly and is being placed on placing the position, and keep soft packet of power battery's utmost point ear to control to stretch out the back can cooperate with motion's utmost point ear anchor clamps.
5. The pouch power cell OCV test apparatus of claim 4, wherein: and the outer frame is provided with an ID number for carrying out flow management on the soft package power battery.
6. The pouch power cell OCV test apparatus of claim 2, wherein: the motion mechanism control assembly comprises a wiring terminal, an electronic circuit, a PLC controller, an auxiliary working power supply, a circuit protector, a filter, an intermediate relay, a signal processor and an operation panel, wherein the wiring terminal, the electronic circuit, the PLC controller, the auxiliary working power supply, the circuit protector, the filter, the intermediate relay, the operation panel and the signal processor are all arranged in a rack, the wiring terminals of the circuit protector, the intermediate relay and the PLC controller are all provided with one wiring terminal, the power transmission end of the auxiliary working power supply is electrically connected with the power supply end of the DSP control panel through the corresponding wiring terminal, the first signal transmission end of the PLC controller is electrically connected with the first signal transmission end of the operation panel, and the circuit protector, the filter and the intermediate relay are electrically connected with the second signal transmission port of the PLC controller through the corresponding wiring terminals, the third signal transmission port of PLC controller with signal processor's first signal transmission port signal connection, signal processor's signal input part through corresponding communication interface with battery OCV test control mechanism's signal communication mouth signal connection, battery OCV test control mechanism signal output part with the motion control assembly signal connection, signal processor's signal output part with the battery press from both sides the electricity of dress motion for the realization presss from both sides the control of dress motion to the battery.
7. The pouch power cell OCV test apparatus of claim 1, wherein: the safety protection sensor assembly comprises a smoke alarm sensor, a position correlation sensor, a code scanner and a magnetic sensor, wherein the smoke alarm sensor is installed above the top of the battery clamp moving mechanism, the position correlation sensor is used for detecting the putting state of a battery tray and indicating the battery tray to tightly hold the cylinder part to act after the battery tray reaches the correct position, the code scanner is used for reading tray information, the magnetic sensor is used for detecting the current position state of the battery tray tightly holding the cylinder part, the smoke alarm sensor and the position correlation sensor are both arranged on a rack at the top of the clamp moving mechanism, each tray corresponds to two smoke alarm sensors and two position correlation sensors, and the position correlation sensors are oppositely arranged on the same horizontal line and keep mutual correlation; the magnetic sensor is arranged on the battery tray holding cylinder component and used for detecting the position state of the current battery tray holding cylinder component in real time; the code scanner is arranged at a cache station at the front part of the rack, and when the tray flows into the front part of the rack, the ID information of the tray is read so as to correspondingly store the test parameters; and the signal output ends of the smoke alarm sensor, the position correlation sensor, the magnetic sensor and the code scanner are respectively electrically connected or in signal connection with the signal output end of the battery OCV test control mechanism.
8. The pouch power cell OCV test apparatus of claim 1, wherein: the safety protection sensor assembly further comprises a groove-shaped photoelectric sensor for detecting the state of the lug cylinder, a diffuse reflection photoelectric sensor for detecting the state of the holding cylinder and the state of the tray direction and a pressure sensor for detecting the current air pressure state of equipment, wherein the groove-shaped photoelectric sensor is arranged on the mounting frame of the lug clamp and used for detecting the state of the clamp; the diffuse reflection photoelectric sensor is arranged on the bottom plate and used for detecting the state of the holding cylinder and the direction state of the tray; the pressure sensor is arranged at the bottom of the battery clamping movement mechanism and used for detecting the pressure borne by the bottom plate; and the signal output ends of the groove-type photoelectric sensor, the diffuse reflection photoelectric sensor and the pressure sensor are respectively electrically connected or in signal connection with the signal output end of the battery OCV test control mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072627.6U CN209803303U (en) | 2019-01-16 | 2019-01-16 | Soft packet of power battery OCV test equipment |
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| CN201920072627.6U CN209803303U (en) | 2019-01-16 | 2019-01-16 | Soft packet of power battery OCV test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828210A (en) * | 2019-01-16 | 2019-05-31 | 浙江杭可科技股份有限公司 | Soft Roll power battery OCV test equipment |
| JP7400149B1 (en) | 2023-07-20 | 2023-12-18 | 日鉄テックスエンジ株式会社 | Charge/discharge inspection system |
-
2019
- 2019-01-16 CN CN201920072627.6U patent/CN209803303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828210A (en) * | 2019-01-16 | 2019-05-31 | 浙江杭可科技股份有限公司 | Soft Roll power battery OCV test equipment |
| JP7400149B1 (en) | 2023-07-20 | 2023-12-18 | 日鉄テックスエンジ株式会社 | Charge/discharge inspection system |
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