CN210607654U

CN210607654U - Quick connecting device of signal line in lithium battery formation and grading equipment

Info

Publication number: CN210607654U
Application number: CN201921153507.5U
Authority: CN
Inventors: 李洪波
Original assignee: Shenzhen Jingshi Electromechanical Technology Co ltd
Current assignee: Shenzhen Jingshi Electromechanical Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-22
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a quick connection device of signal lines in lithium battery formation and capacity grading equipment, which comprises an upper connection component and a lower connection component, wherein the upper connection component comprises an upper PCB bottom plate, an upper PCB vertical plate, an upper anode voltage signal line, an upper cathode voltage signal line, an upper thermistor temperature signal line, an upper insulation plate, an upper wiring terminal and an upper connector; the lower connection assembly comprises a lower PCB bottom plate, a lower PCB vertical plate, a lower positive electrode voltage signal line, a lower negative electrode voltage signal line, a lower thermistor temperature signal line, a lower insulating plate, a lower connection terminal and a lower connector, and the connection probe assembly of the upper connection assembly is in elastic contact with the conductive target point of the lower connection assembly and is electrically connected with the conductive target point of the lower connection assembly. By utilizing the elasticity and the telescopic action of the probes, dozens of probes can be simultaneously and tightly pressed on the conductive target points, and the connection of dozens of signal lines can be completed by one-time insertion, so that the efficiency is improved, the quick and reliable connection is realized, the working time is reduced, and the danger of high-altitude operation is reduced.

Description

Quick connecting device of signal line in lithium battery formation and grading equipment

Technical Field

The utility model relates to a lithium cell manufacture equipment technical field especially relates to a device of plugging into fast of signal line among lithium cellization component-volume equipment.

Background

Lithium battery formation and capacity grading production lines usually need to meet the production of batteries with different specifications through model changing, wherein the model changing is to adjust the position and the number of probes, negative pressure suction nozzles (which are not needed during capacity grading) and thermistors according to the position and the number of the batteries in a tray. One single reservoir position has 8-32 channels, and one channel has 2 large current lines, 2 voltage signal lines, 2 thermistor temperature signal lines and 1 vacuum negative pressure suction nozzle pipeline. A formation and capacity-division production line has hundreds of storage positions, and the workload of replacement and wiring is very huge when the type is changed and adjusted. In the former mode changing, the needle bed is manually climbed to adjust one by one, and the wiring terminals are connected one by one. The needle bed is inconvenient to adjust due to the fact that the needle bed is narrow in space and can obstruct hands and feet, and the highest storage position of the needle bed is 4-5 meters high, so that high-altitude operation is achieved, dangerousness is increased, two or thirty people need to fight for half a month continuously every time the type is changed, huge waste of manpower and material resources is caused, and productivity is seriously affected.

When the lithium battery is formed and divided in capacity, a voltage signal and a temperature signal of each battery need to be collected so as to detect the voltage condition and the temperature abnormal condition of each battery, and the number of voltage signal lines and thermistor temperature signal lines of the thermistor in the needle bed is extremely large. At present, when the industry is in the remodeling, the wiring terminals are generally adopted for connection, one wiring terminal is connected with the other wiring terminal, and the connection mode is such that huge waste of manpower and material resources is caused, and the needle bed is higher, belongs to high-altitude operation, increases dangerousness, and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a signal line's device of plugging into fast among swift, reliable, the efficient lithium cellization becomes partial volume equipment.

The utility model discloses a realize like this: the utility model provides a device of plugging into fast of signal line among lithium cellization becomes partial volume equipment, includes the subassembly of plugging into and plugs into the subassembly down, go up the subassembly of plugging into and include PCB bottom plate, go up PCB riser, go up anodal voltage signal line, go up negative pole voltage signal line, go up thermistor temperature signal line, a plurality of probe subassembly of plugging into, probe connecting wire, go up insulation board, go up binding post and last connector, go up PCB bottom plate and plug into the probe subassembly and fix on last insulation board, go up anodal voltage signal line, go up negative pole voltage signal line and go up thermistor temperature signal line and pass through go up binding post and last PCB riser electricity and be connected, go up the PCB riser and be connected with last PCB bottom plate electricity through last connector, be equipped with the pad on the last PCB bottom plate, probe connecting wire one end is connected with the probe subassembly of plugging into electricity, and the other end welding is in on the pad, go up anod, The upper negative voltage signal wire and the upper thermistor temperature signal wire are electrically connected with at least one connection probe assembly through circuits on the upper PCB vertical plate and the upper PCB bottom plate;

the lower connection assembly comprises a lower PCB bottom plate, a lower PCB vertical plate, a lower anode voltage signal line, a lower cathode voltage signal line, a lower thermistor temperature signal line, a lower insulating plate, a lower connection terminal and a lower connector, wherein the lower PCB bottom plate is fixed on the lower insulating plate, the lower anode voltage signal line, the lower cathode voltage signal line and the lower thermistor temperature signal line are electrically connected with the lower PCB vertical plate through the lower connection terminal, the lower PCB vertical plate is electrically connected with the lower PCB bottom plate through the lower connector, a plurality of conductive target points are arranged on the lower PCB bottom plate, and the lower anode voltage signal line, the lower cathode voltage signal line and the lower thermistor temperature signal line are electrically connected with one conductive target point through circuits on the lower PCB vertical plate and the lower PCB bottom plate; the connection probe assembly of the upper connection assembly is in elastic contact with the conductive target point of the lower connection assembly and realizes electric connection.

Each signal wire of the upper connection component is electrically connected with two or more connection probe components, and the two or more connection probe components are electrically connected with the same conductive target spot.

The probe assembly comprises a straight rod probe, a probe sleeve and a compression spring, wherein the straight rod probe is axially and slidably arranged in the probe sleeve, the compression spring is arranged between the straight rod probe and the probe sleeve, the straight rod probe is made of beryllium copper, and a tooth part in electrical contact with the straight rod probe is provided with a gold plating layer.

The probe sleeve is inserted into the fixing hole of the probe assembly of the upper insulating plate in an interference fit manner, and the probe sleeve is further provided with a positioning shoulder.

The upper wiring terminal and the lower wiring terminal respectively comprise a thermistor temperature signal line wiring terminal, a negative voltage signal line wiring terminal and a positive voltage signal line wiring terminal.

Wherein, go up connector and lower connector and be the strip connector.

Wherein, the upper and lower insulating plates are both glass fiber plates.

And a fixing bracket is further arranged at the joint of the lower PCB bottom plate and the lower PCB vertical plate.

And a gold plating layer is arranged on the conductive target.

The utility model has the advantages that: the quick connection device for the signal lines in the lithium battery formation grading equipment realizes batch electric connection by utilizing elastic contact of the connection probe assembly of the upper connection assembly and the conductive target point of the lower connection assembly, can simultaneously and tightly press dozens of probes on the conductive target points by utilizing the elasticity and the telescopic action of the probes, can realize very good electric contact as long as the probes are aligned with the conductive target points on the lower PCB base plate and apply proper pressing force on the upper connection assembly and the lower connection assembly, can complete connection of dozens of signal lines by one-time plug-in connection, greatly improves the efficiency compared with the prior mode that one connection terminal is connected with the other terminal, realizes quick and reliable connection, reduces the working time and reduces the danger of high-altitude operation.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the rapid connection device of the present invention;

fig. 2 is a schematic structural view of the upper connection assembly of the present invention;

fig. 3 is a partially enlarged view of the upper connection assembly of the present invention;

fig. 4 is a schematic sectional view of an assembly structure of the docking probe assembly according to the present invention;

fig. 5 is a schematic structural view of the lower connection assembly of the present invention.

Wherein, 1, connecting the assembly; 11. an upper PCB bottom plate; 111. a pad; 12. an upper PCB vertical plate; 13. an upper positive voltage signal line; 14. an upper negative voltage signal line; 15. an upper thermistor temperature signal line; 16. connecting a probe assembly; 161. a straight rod probe; 162. a probe sleeve; 163. a compression spring; 164. positioning the shoulder; 17. a probe connecting wire; 18. an upper insulating plate; 181. a probe fixing hole; 19. an upper wiring terminal; 190. an upper connector; 2. a lower docking assembly; 21. a lower PCB bottom plate; 211. a conductive target; 22. a lower PCB vertical plate; 23. a lower positive voltage signal line; 24. a lower cathode voltage signal line; 25. A lower thermistor temperature signal line; 26. a lower insulating plate; 27. a lower wiring terminal; 28. a lower connector; 29. and fixing the bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 fast connecting device for signal lines in lithium battery formation and capacity-grading equipment of the present invention, as shown in fig. 1 to 5, the fast connecting device comprises an upper connecting component 1 and a lower connecting component 2, wherein the upper connecting component 1 comprises an upper PCB bottom plate 11, an upper PCB vertical plate 12, an upper positive voltage signal line 13, an upper negative voltage signal line 14, an upper thermistor temperature signal line 15, a plurality of connecting probe components 16, a probe connecting line 17, an upper insulating plate 18, an upper connecting terminal 19 and an upper connector 190, the upper PCB bottom plate 11 and the connecting probe components 16 are fixed on the upper insulating plate 18, the upper positive voltage signal line 13, the upper negative voltage signal line 14 and the upper thermistor temperature signal line 15 are electrically connected with the upper PCB vertical plate 12 through the upper connecting terminal 19, the upper PCB vertical plate 12 is electrically connected with the upper PCB bottom plate 11 through the upper connector 190, a pad 111 is arranged on the upper PCB bottom plate 11, one end of the probe connecting wire 17 is electrically connected with the plugging probe assembly 16, the other end of the probe connecting wire is welded on the welding pad 111, and the upper positive electrode voltage signal wire 13, the upper negative electrode voltage signal wire 14 and the upper thermistor temperature signal wire 15 are electrically connected with at least one plugging probe assembly 16 through circuits on the upper PCB vertical plate 12 and the upper PCB bottom plate 11;

the lower connection component 2 comprises a lower PCB bottom plate 21, a lower PCB vertical plate 22, a lower positive electrode voltage signal line 23, a lower negative electrode voltage signal line 24, a lower thermistor temperature signal line 25, a lower insulating plate 26, a lower wiring terminal 27 and a lower connector 28, wherein the lower PCB bottom plate 21 is fixed on the lower insulating plate 26, the lower positive electrode voltage signal line 23, the lower negative electrode voltage signal line 24 and the lower thermistor temperature signal line 25 are electrically connected with the lower PCB vertical plate 22 through the lower wiring terminal 27, the lower PCB vertical plate 22 is electrically connected with the lower PCB bottom plate 21 through the lower connector 28, a plurality of conductive target spots 211 are arranged on the lower PCB bottom plate 21, and the lower positive electrode voltage signal line 23, the lower negative electrode voltage signal line 24 and the lower thermistor temperature signal line 25 are electrically connected with one conductive target spot 211 through circuits on the lower PCB vertical plate 22 and the lower PCB bottom plate 21; the docking probe assembly 16 of the upper docking assembly 1 elastically contacts and electrically connects with the conductive target point 211 of the lower docking assembly 2.

The rapid connecting device for the signal lines in the lithium battery formation capacity grading equipment utilizes the elastic contact between the connecting probe component 16 of the upper connecting component 1 and the conductive target point 211 of the lower connecting component 2 to realize batch electric connection, utilizes the elastic force and the telescopic action of the straight-bar probe 161 to simultaneously and tightly press dozens of probes 161 on the conductive target point 211, can realize very good electric contact as long as the straight-bar probe 161 is aligned with the conductive target point 211 on the lower PCB base plate and applies proper pressing force (generally, the probes are continuously compressed by about 5mm after contacting the conductive target point on the lower PCB base plate) on the upper connecting component 1 and the lower connecting component 2, can complete the connection of dozens of signal lines by one-time plugging, greatly improves the efficiency and realizes rapid and reliable connection compared with the prior mode that one connecting terminal is connected with another terminal, and the working time is reduced, and the danger of high-altitude operation is reduced.

In this embodiment, each signal line of the upper docking assembly 1 is electrically connected to two docking probe assemblies 16, and the two docking probe assemblies 16 are electrically connected to the same conductive target 211. I.e., a design in which two probes are disposed per conductive target 211 to increase the electrical contact area, reduce the contact resistance, and thus reduce signal distortion. Of course, two or more may be used.

In this embodiment, the docking probe assembly 16 includes an isopipe probe 161, a probe sleeve 162 and a compression spring 163, the probe 161 is axially slidably disposed in the probe sleeve 162, the compression spring 163 is installed between the probe 161 and the probe sleeve 162, and the isopipe probe 161 is made of beryllium copper, so that it is wear-resistant and has good electrical conductivity. Compression spring 163 adopts the musical instrument steel wire material, and it is good to last elasticity, stable.

In this embodiment, the upper insulating plate 18 is provided with probe fixing holes 181, the probe sleeve 162 is inserted into the probe fixing holes 181 of the upper insulating plate 18 by interference fit, and the probe sleeve 162 is further provided with a positioning shoulder 164. The upper insulating plate 18 is a glass fiber plate, has good insulation and certain plasticity, and after the docking probe assembly 16 is inserted into the position of the positioning shoulder 164 on the probe sleeve 162, the docking probe assembly 16 is positioned and clamped at the axial and circumferential positions in the upper insulating plate 18. The lower insulating plate 26 is also a glass fiber plate, and has good insulation properties.

In this embodiment, the upper connection terminal 19 and the lower connection terminal 27 of the upper connection assembly 1 and the lower connection assembly 2 each include a thermistor temperature signal line connection terminal, a negative voltage signal line connection terminal, and a positive voltage signal line connection terminal, and the collection performance is good. The combination of the upper PCB bottom plate and the upper PCB vertical plate and the combination of the lower PCB bottom plate and the lower PCB vertical plate are adopted, so that the signal lines are better collected, the signal lines are not easy to scatter and disorder, the signal lines are easy to identify, the quick connection is realized, the wiring is smooth and clear, and the troubleshooting is easy when the fault occurs.

In this embodiment, the upper connector 190 and the lower connector 28 are strip connectors, and can be used as a main structure for fixing the upper PCB bottom plate 11 and the upper PCB vertical plate 12 and an auxiliary structure for fixing the lower PCB bottom plate 21 and the lower PCB vertical plate 22, and the joint of the lower PCB bottom plate 21 and the lower PCB vertical plate 22 is further provided with a fixing bracket 29, which is a main structure for fixing the lower PCB bottom plate 21 and the lower PCB vertical plate 22.

In this embodiment, the conductive target 211 is provided with a gold plating layer, and the tooth portion electrically contacted by the straight rod probe 161 is also provided with a gold plating layer. Therefore, even if the probe 161 is repeatedly pressed on the conductive target 211, the conductive performance of the conductive target 211 can still be ensured to be good.

The utility model discloses an use in the quick model change structure of lithium battery formation partial volume equipment, no longer adopt on formation partial volume equipment (needle bed) carry out thermistor, position adjustment such as voltage signal probe and binding post line by line connection scheme, but adopted the adjustment outside the production line, the design theory of automatic connection in the production line, install thermistor, voltage signal probe on quick model change module, quick model change module can take off from the equipment fast, carry out the adjustment work outside the production line, after adjusting, transport back to formation partial volume equipment again, carry out quick automatic connection and fix, because the adjustment space outside the line is big, and be convenient for use the tool, adjustment efficiency improves greatly; the time of high-altitude operation is reduced, and the safety is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick connection device for signal lines in lithium battery formation and capacity grading equipment is characterized by comprising an upper connection assembly and a lower connection assembly, wherein the upper connection assembly comprises an upper PCB base plate, an upper PCB vertical plate, an upper anode voltage signal line, an upper cathode voltage signal line, an upper thermistor temperature signal line, a plurality of connection probe assemblies, probe connecting lines, an upper insulating plate, an upper connecting terminal and an upper connector, the upper PCB base plate and the connection probe assemblies are fixed on the upper insulating plate, the upper anode voltage signal line, the upper cathode voltage signal line and the upper thermistor temperature signal line are electrically connected with the upper PCB vertical plate through the upper connecting terminal, the upper PCB vertical plate is electrically connected with the upper PCB base plate through the upper connector, a welding pad is arranged on the upper PCB base plate, one end of each probe connecting line is electrically connected with the connection probe assembly, the other end of each probe connecting line is welded on the welding pad, the upper positive electrode voltage signal line, the upper negative electrode voltage signal line and the upper thermistor temperature signal line are electrically connected with at least one connection probe assembly through circuits on the upper PCB vertical plate and the upper PCB bottom plate;

2. The device of claim 1, wherein each signal line of the upper connection assembly is electrically connected to two or more connection probe assemblies, and the two or more connection probe assemblies are electrically connected to a same conductive target.

3. The device of claim 1, wherein the connection probe assembly comprises a straight rod probe, a probe sleeve and a compression spring, the straight rod probe is axially slidably arranged in the probe sleeve, the compression spring is arranged between the straight rod probe and the probe sleeve, the straight rod probe is made of beryllium copper, and a tooth portion of the electric contact is provided with a gold plating layer.

4. The fast connecting device for the signal line in the lithium battery chemical composition capacity grading equipment as in claim 3, wherein the upper insulating plate is provided with a fixing hole for connecting the probe assembly, the probe sleeve is inserted into the fixing hole for connecting the probe assembly of the upper insulating plate through interference fit, and the probe sleeve is further provided with a positioning shoulder.

5. The quick connection device for a signal wire in a lithium battery formation and capacity grading equipment as claimed in claim 1, wherein the upper connection terminal and the lower connection terminal each comprise a thermistor temperature signal wire connection terminal, a negative voltage signal wire connection terminal and a positive voltage signal wire connection terminal.

6. The device of claim 1, wherein the upper connector and the lower connector are strip connectors.

7. The device of claim 1, wherein the upper and lower insulating plates are glass fiber plates.

8. The device of claim 1, wherein a fixing bracket is further disposed at a joint of the bottom board of the lower PCB and the vertical board of the lower PCB.

9. The device of claim 1, wherein the conductive target is provided with a gold plating layer.