CN110780097B - Device for mounting probe assembly without screws in lithium battery formation and capacity grading equipment - Google Patents
Device for mounting probe assembly without screws in lithium battery formation and capacity grading equipment Download PDFInfo
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- CN110780097B CN110780097B CN201910990111.4A CN201910990111A CN110780097B CN 110780097 B CN110780097 B CN 110780097B CN 201910990111 A CN201910990111 A CN 201910990111A CN 110780097 B CN110780097 B CN 110780097B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07357—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with flexible bodies, e.g. buckling beams
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to a device for mounting a probe assembly without screws in lithium battery formation and capacity grading equipment, which comprises the probe assembly, a large current wire, an upper mounting beam, a lower mounting beam, an auxiliary fixing beam, a left support plate and a right support plate, wherein a scheme of changing channels without disassembly is adopted; when the model needs to be changed from few channels to multiple channels, the high-position (idle position) probe assembly is reset to the low position (working position), and the current precision of the channel is not influenced and recalibration is not needed because the probe assembly does not need to be disassembled and reconnected, so that time and labor are saved; the probe assembly is not installed by screws, but is fixed by the restoring force of the second spring and the positioning function of the positioning boss and the positioning groove, so that the position can be quickly changed.
Description
Technical Field
The invention relates to the technical field of lithium battery manufacturing equipment, in particular to a device for mounting a probe assembly without screws in lithium battery formation and grading equipment.
Background
When lithium battery formation and capacity grading needle bed model changing are carried out, the number and the position of the probe assemblies are required to be adjusted according to the number and the position of the battery cell in the battery cell tray, and after adjustment, clamping installation is carried out, so that the adjusted position is ensured to be unchanged in the working process. The conventional method comprises the following steps: adjusting the number of probe components to be consistent with the number of channels: the number of channels is changed from changeable to small, redundant probe assemblies are removed, the number of channels is changed from small to large, and the probe assemblies are increased; secondly, manually adjusting the position of the probe assembly according to the scales; thirdly, after OK is adjusted, the hook is locked by two screws for installation. In the increase and decrease process of the probe assembly, the probe assembly and the large current wire need to be reconnected or disassembled, the current precision of the channel can be influenced, and recalibration is needed, so that the shape changing time is long, and the current situation needs to be changed urgently in the industry.
Disclosure of Invention
The invention aims to provide a device for mounting a probe assembly without screws in lithium battery formation and capacity grading equipment with quick remodeling and no disassembly of a variable channel.
The invention is realized by the following steps: a device for mounting a probe assembly without screws in lithium battery formation and capacity grading equipment comprises a probe assembly, a large current wire, an upper mounting beam, a lower mounting beam, an auxiliary fixing beam, a left support plate and a right support plate, wherein the probe assembly comprises a voltage signal connector, a large current wire wiring seat, a first spring, a second spring fixing upper seat, a second spring fixing lower seat, a current probe head, a voltage probe head and a probe seat, the current probe head is arranged in the probe seat and penetrates through the probe seat from top to bottom, the voltage probe head is arranged in the current probe head in an up-and-down elastic floating manner, the first spring is used for enabling the current probe head to elastically float from top to bottom, the large current wire wiring seat is fixed at the upper end of the current probe head by an upper fastening nut and a lower fastening nut, the voltage signal connector is electrically connected with the voltage probe head, the large current wire wiring seat is respectively and electrically connected with the large current probe head, the second spring, the second spring fixing upper seat and the second spring fixing lower seat are all sleeved on the current probe head and are positioned below the fastening nut, the second spring is positioned between the second spring fixing upper seat and the second spring fixing lower seat, the probe seat comprises a cylinder body and a flange piece, a positioning boss is arranged on the upper surface of the flange piece, the length of the flange piece is greater than the width of the flange piece, the upper mounting beam, the lower mounting beam, the left support plate and the right support plate form a frame type fixing structure, the auxiliary fixing beam is fixed above the lower mounting beam, a long strip-shaped through groove is arranged in the middle of the lower mounting beam, two groups of positioning grooves with different intervals are arranged on the lower end surface of the lower mounting beam, the width of the long strip-shaped through groove is smaller than the length of the flange piece and greater than the width of the flange piece, a positioning groove matched with the positioning boss on the probe seat is also arranged on the auxiliary fixing beam, a long strip-shaped through groove is also arranged on the auxiliary fixing beam, the width that the groove was led to rectangular shape on the supplementary fixed roof beam is less than the diameter that the second spring was fixed down, the lower terminal surface of the fixed lower seat of second spring of probe subassembly and the up end butt of supplementary fixed roof beam, the up end of flange piece and the lower terminal surface looks butt of installation roof beam or supplementary fixed roof beam down to make the probe subassembly be in different height, the location boss on the probe seat imbeds down in the constant head tank of installation roof beam and supplementary fixed roof beam, so that the probe subassembly location.
The lower end of the current probe head is provided with a positioning step, and the first spring is sleeved on the current probe head and is positioned between the positioning step and the probe seat.
The side face of the lower end of the current probe head is milled flat, so that a tool can be conveniently used for clamping and rotating.
The device further comprises a front wire shading plate and a rear wire shading plate, wherein the front wire shading plate and the rear wire shading plate are fixed on the left supporting plate and the right supporting plate and used for shading the large current line.
The number of the positioning bosses on the flange plate is two, and the positioning bosses are arranged in central symmetry.
The lower end inlet of the strip-shaped through groove of the lower mounting beam is provided with a guide taper, so that the probe assembly can be conveniently guided to ascend.
The invention has the beneficial effects that: the device of probe subassembly screwless installation among lithium cellization, partial volume equipment adopts the scheme of not dismantling and changing the passageway, the switching of probe subassembly height, low position can be realized to the device, owing to all be equipped with rectangular shape on installation roof beam and the supplementary fixed roof beam down and lead to the groove, the probe subassembly can remove about rectangular shape leads to the inslot, need not dismantle. Firstly, the probe assemblies are installed on a lower installation beam, the upper end face of a flange plate is abutted against the lower end face of the lower installation beam and is located at a working position, positioning bosses on the flange plate are embedded into positioning grooves (a group with a narrower space) in the same group, and a second spring is compressed at the moment and upwards generates restoring force to ensure the stability of combination between the positioning bosses and the positioning grooves, so that the spaces among the probe assemblies are the same, and the number of the probe assemblies located at the working position is larger (or all the probe assemblies are located at the working position); when the type needs to be changed, the probe assembly is moved to the positioning grooves at the other group of intervals (the group with wider intervals) according to the principle nearby, so that some probe assemblies can be added, the probe assemblies are pulled downwards to enable the positioning bosses to be separated from the positioning grooves, then the probe assemblies rotate for 90 degrees, and the width of the flange piece is smaller than that of the strip-shaped through groove, so that the flange piece moves upwards under the action of the restoring force of the second spring and penetrates through the strip-shaped through groove, then the probe assemblies are moved to the positioning grooves of the auxiliary fixing beam, the positioning bosses on the flange piece are embedded into the positioning grooves of the auxiliary fixing beam to achieve positioning, and at the moment, the second spring still keeps a certain restoring force to prevent the probe assembly from shaking and even being separated from the positioning grooves, if the channels are switched again, the operation is carried out once according to the mode or the reverse direction. When the model is changed, the probe assembly is not required to be disassembled, and the redundant temporarily unused probe assembly is pulled out from the low position (working position) and then placed at the high position (idle position) according to the nearby adjustment principle, so that the high position hiding of the redundant temporarily unused probe assembly is realized; when the model needs to be changed from few channels to multiple channels, the high-position (idle position) probe assembly is reset to the low position (working position), and the current precision of the channel is not influenced and recalibration is not needed because the probe assembly does not need to be disassembled and reconnected, so that time and labor are saved; the probe assembly is not installed by screws, but is fixed by the restoring force of the second spring and the positioning function of the positioning boss and the positioning groove, so that the position can be quickly changed.
Drawings
FIG. 1 is a schematic overall view of the device for screwless mounting of a probe assembly in a lithium battery formation and capacity grading apparatus according to the invention (with the front cover removed);
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic rear view of a device for screwless mounting of a probe assembly in a lithium battery formation and capacity grading equipment according to the present invention;
FIG. 4 is an exploded view of the device for screwless mounting of the probe assembly in the lithium battery formation and capacity grading equipment according to the present invention;
FIG. 5 is a rear elevational view of the device for screwless mounting of a probe assembly in a lithium battery formation and containment apparatus in accordance with the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a rear elevational view of the device for screwless mounting of the probe assembly in the lithium battery formation and containment apparatus of the present invention (with the excess probe assembly raised);
FIG. 8 is an enlarged view at C of FIG. 7;
FIG. 9 is an elevational view of the probe assembly of the present invention;
FIG. 10 is a side cross-sectional view of the probe assembly of the present invention;
FIG. 11 is a perspective view of the probe assembly of the present invention;
FIG. 12 is an exploded view of the probe assembly of the present invention;
FIG. 13 is a bottom view of the lower mounting beam of the present invention;
FIG. 14 is an elevational view of the mating relationship of the lower mounting beam and the auxiliary mounting beam of the present invention;
FIG. 15 is a cross-sectional view taken along line D-D of FIG. 14;
fig. 16 is a perspective view of the mating relationship of the lower mounting beam and the auxiliary mounting beam of the present invention.
Wherein, 1, a probe assembly; 11. a voltage signal connector; 12. a large-current wire connection base; 120. fastening a nut; 13. a first spring; 14. a second spring; 15. the second spring is fixed on the upper seat; 16. the second spring fixes the lower seat; 17. a current probe head; 171. positioning a step; 172. milling flatly; 18. a voltage probe head; 19. a probe base; 191. a barrel; 192. a flange sheet; 193. positioning the boss; 2. a high current line; 3. an upper mounting beam; 4. a lower mounting beam; 41. a strip-shaped through groove; 42. positioning a groove; 43. guiding taper; 5. an auxiliary fixed beam; 51. positioning a groove; 52. a strip-shaped through groove; 6. a left support plate; 7. a right support plate; 8. a front shading plate; 9. a rear line shield.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As an embodiment of the device for screwless installation of a probe assembly in a lithium battery formation and capacity grading equipment, as shown in fig. 1 to 16, the device comprises a probe assembly 1, a high current wire 2, an upper installation beam 3, a lower installation beam 4, an auxiliary fixing beam 5, a left support plate 6 and a right support plate 7, wherein the probe assembly 1 comprises a voltage signal connector 11, a high current wire connection base 12, a first spring 13, a second spring 14, a second spring fixing upper base 15, a second spring fixing lower base 16, a current probe head 17, a voltage probe head 18 and a probe base 19, the current probe head 17 is arranged in the probe base 19 and penetrates through the probe base 19 up and down, the voltage probe head 18 is arranged in the current probe head 17 in an up-and-down elastic floating manner, the first spring 13 is used for elastically floating the current probe head 17 up and down, the high current wire connection base 12 is fixed at the upper end of the probe current probe head 17 by an upper fastening nut 120 and a lower fastening nut 120, the voltage signal connector 11 is electrically connected with a voltage probe head 18, the large current wire connection base 12 is electrically connected with a large current wire 2 and a current probe head 17, respectively, the second spring 14, the second spring fixing upper base 15 and the second spring fixing lower base 16 are all sleeved on the current probe head 17 and are located below the fastening nut 120, the second spring 14 is located between the second spring fixing upper base 15 and the second spring fixing lower base 16, the probe base 19 comprises a cylinder 191 and a flange plate 192, a positioning boss 193 is arranged on the upper surface of the flange plate 192, the length of the flange plate 192 is greater than the width, the upper mounting beam 3, the lower mounting beam 4, the left support plate 6 and the right support plate 7 form a frame-type fixing structure (an internal cavity with good rigidity is used for accommodating the large current wire 2 and bearing the pressing force of the probe assembly 1 during operation), the auxiliary fixing beam 5 is fixed above the lower mounting beam 4, the middle of the lower mounting beam 4 is provided with a strip-shaped through groove 41, the lower end surface is provided with two groups of positioning grooves 42 with different intervals, the width of the strip-shaped through groove 41 is smaller than the length of the flange sheet 192 and larger than the width of the flange sheet 192, the auxiliary fixing beam 5 is also provided with a positioning groove 51 matched with the positioning boss 193 on the probe seat 19, the auxiliary fixing beam 5 is also provided with a strip-shaped through groove 52, the width of the strip-shaped through groove 52 on the auxiliary fixing beam 5 is smaller than the diameter of the second spring fixing lower seat 16, the lower end of the second spring fixing lower seat 16 of the probe assembly 1 is abutted against the upper end surface of the auxiliary fixing beam 5, the upper end surface of the flange sheet 192 is abutted against the lower end surface of the lower mounting beam 4 or the auxiliary fixing beam 5 so as to enable the probe assembly 1 to be at different heights, and the positioning boss 193 on the probe seat 19 is embedded into the, 51 to position the probe assembly 1.
The voltage probe 18 is used for detecting a voltage signal of a battery cell, the current probe 17 is used for quick connection of charging and discharging of the battery cell in the battery cell tray, the first spring 13 can provide a proper pressing force between the probe assembly 1 and a pole of the battery cell, and the large current wire 2 and the large current wire connection base 12 can be connected through a screw for an over-large current.
The device for mounting the probe assembly without screws in the lithium battery formation and capacity grading equipment adopts a scheme of changing channels without disassembly, can realize the switching of the high position and the low position of the probe assembly 1, and can move left and right in the strip-shaped through grooves 41 and 52 without disassembly because the lower mounting beam 4 and the auxiliary fixing beam 5 are both provided with the strip-shaped through grooves 41 and 52. Firstly, the probe assemblies 1 are installed on a lower installation beam 4, the upper end face of a flange piece 192 is abutted against the lower end face of the lower installation beam 4 and is located at a working position, positioning bosses 193 on the flange piece 192 are embedded into positioning grooves 42 (a group with a narrower distance) in the same group, the second spring 14 is compressed at the moment and generates restoring force upwards to ensure the stability of combination between the positioning bosses 193 and the positioning grooves 42, so that the distances between the probe assemblies 1 are the same, and the number of the probe assemblies 1 located at the working position is larger (or all the probe assemblies 1 are located at the working position); when the type needs to be changed, the probe assembly 1 is moved to another group of positioning slots 42 with a wider interval (the group with a wider interval) according to the principle of the near, so that some probe assemblies 1 are added, the probe assemblies 1 are pulled downwards to enable the positioning bosses 193 to be separated from the positioning slots 42, then the probe assemblies are rotated for 90 degrees, because the width of the flange piece 192 is smaller than the width of the strip-shaped through slot 41, the flange piece 192 moves upwards under the restoring force of the second spring 14 and passes through the strip-shaped through slot 41, then the probe assembly 1 is moved to the positioning slots 51 of the auxiliary fixing beam 5, the positioning bosses 193 on the flange piece 192 are embedded into the positioning slots 51 of the auxiliary fixing beam 5 to realize the re-positioning, at the moment, the second spring 14 still maintains a certain restoring force to prevent the probe assembly 1 from shaking and even being separated from the positioning slots 51, and the temporarily unused probe assembly is completely separated from the battery poles in the tray, and a certain safety distance exists, if the channel is switched again, the operation is carried out once in the above mode or in the reverse direction. When the model is changed, the probe assembly 1 is not required to be disassembled, and the redundant and temporarily unused probe assembly 1 is pulled out from the low position (working position) and then placed at the high position (idle position) according to the nearby adjustment principle, so that the high position hiding of the redundant and temporarily unused probe assembly 1 is realized; when the model needs to be changed from few channels to multiple channels, the high-position (idle position) probe assembly is reset to the low position (working position), and the current precision of the channel is not influenced and recalibration is not needed because the probe assembly does not need to be disassembled and reconnected, so that time and labor are saved; the probe assembly 1 is not mounted with screws, but the probe assembly 1 is fixed using the restoring force of the second spring 14 and the positioning function of the positioning boss 193 and the positioning grooves 42 and 51, and a quick replacement position can be achieved.
In this embodiment, the lower end of the current probe head 17 is provided with a positioning step 171, and the first spring 13 is sleeved on the current probe head 17 and located between the positioning step 171 and the probe seat 19.
In this embodiment, the side of the lower end of the current probe head 17 is milled flat 172 (forming a wrench location) to facilitate clamping and 90 degree rotation with a tool.
In this embodiment, the device still includes preceding wiring board 8 and back wiring board 9, preceding wiring board 8 and back wiring board 9 are fixed on left branch fagging 6 and right branch fagging 7 for shelter from heavy current line 2.
In this embodiment, the number of the positioning bosses 193 on each flange plate 192 is two, and the positioning bosses are arranged in a central symmetry manner. In this way, the fixing of the probe assembly 1 is more stable.
In this embodiment, the entrance position of the lower end of the elongated through slot 41 of the lower mounting beam 4 is further provided with a guiding taper 43, which facilitates guiding the probe assembly 1 to ascend.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A device for mounting a probe assembly without screws in lithium battery formation and capacity grading equipment is characterized by comprising a probe assembly, a large current wire, an upper mounting beam, a lower mounting beam, an auxiliary fixing beam, a left support plate and a right support plate, wherein the probe assembly comprises a voltage signal connector, a large current wire wiring seat, a first spring, a second spring fixing upper seat, a second spring fixing lower seat, a current probe head, a voltage probe head and a probe seat, the current probe head is arranged in the probe seat and penetrates through the probe seat from top to bottom, the voltage probe head is arranged in the current probe head in an up-and-down elastic floating mode, the first spring is used for enabling the current probe head to elastically float from top to bottom, the large current wire wiring seat is fixed at the upper end of the current probe head by an upper fastening nut and a lower fastening nut, the voltage signal connector is electrically connected with the voltage probe head, the large current wire wiring seat is respectively and electrically connected with the large current probe head, the second spring, the second spring fixing upper seat and the second spring fixing lower seat are all sleeved on the current probe head and are positioned below the fastening nut, the second spring is positioned between the second spring fixing upper seat and the second spring fixing lower seat, the probe seat comprises a cylinder body and a flange piece, a positioning boss is arranged on the upper surface of the flange piece, the length of the flange piece is greater than the width of the flange piece, the upper mounting beam, the lower mounting beam, the left support plate and the right support plate form a frame type fixing structure, the auxiliary fixing beam is fixed above the lower mounting beam, a long strip-shaped through groove is arranged in the middle of the lower mounting beam, two groups of positioning grooves with different intervals are arranged on the lower end surface of the lower mounting beam, the width of the long strip-shaped through groove is smaller than the length of the flange piece and greater than the width of the flange piece, a positioning groove matched with the positioning boss on the probe seat is also arranged on the auxiliary fixing beam, a long strip-shaped through groove is also arranged on the auxiliary fixing beam, the width that the groove was led to rectangular shape on the supplementary fixed roof beam is less than the diameter that the second spring was fixed down, the lower terminal surface of the fixed lower seat of second spring of probe subassembly and the up end butt of supplementary fixed roof beam, the up end of flange piece and the lower terminal surface looks butt of installation roof beam or supplementary fixed roof beam down to make the probe subassembly be in different height, the location boss on the probe seat imbeds down in the constant head tank of installation roof beam and supplementary fixed roof beam, so that the probe subassembly location.
2. The apparatus of claim 1, wherein the current probe head is provided with a positioning step at a lower end thereof, and the first spring is sleeved on the current probe head and located between the positioning step and the probe base.
3. The apparatus of claim 2, wherein the current probe head is milled flat on the lower end side to facilitate clamping and rotation with a tool.
4. The device of claim 1, further comprising a front mask and a rear mask fixed on the left support plate and the right support plate for shielding the high current line.
5. The device of claim 1, wherein the number of the positioning bosses on the flange plate is two, and the positioning bosses are arranged in a central symmetry manner.
6. The apparatus of claim 1, wherein the lower entry point of the elongated through slot of the lower mounting beam is further provided with a guiding taper to facilitate guiding the probe assembly upward.
Priority Applications (1)
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CN201910990111.4A CN110780097B (en) | 2019-10-17 | 2019-10-17 | Device for mounting probe assembly without screws in lithium battery formation and capacity grading equipment |
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CN201910990111.4A CN110780097B (en) | 2019-10-17 | 2019-10-17 | Device for mounting probe assembly without screws in lithium battery formation and capacity grading equipment |
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CN110780097B true CN110780097B (en) | 2021-08-10 |
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CN112098812B (en) * | 2020-10-11 | 2021-04-06 | 强一半导体(苏州)有限公司 | Probe card amplitude modulation method |
DE202024103178U1 (en) | 2024-06-13 | 2024-06-28 | Ingun Prüfmittelbau Gmbh | Contact system |
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