CN220323500U - Split type chemical composition probe - Google Patents
Split type chemical composition probe Download PDFInfo
- Publication number
- CN220323500U CN220323500U CN202321824060.6U CN202321824060U CN220323500U CN 220323500 U CN220323500 U CN 220323500U CN 202321824060 U CN202321824060 U CN 202321824060U CN 220323500 U CN220323500 U CN 220323500U
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- probe
- rod
- bottom end
- spring
- sleeved
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- 239000000523 sample Substances 0.000 title claims abstract description 150
- 239000000126 substance Substances 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 238000009940 knitting Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model provides a split chemical composition probe in the technical field of chemical composition, which comprises the following components: the probe seat is inwards provided with a first step close to the lower end; the screw is arranged in the probe seat through the first step; the top end of the probe rod is rotationally connected with the screw, a second step is outwards arranged near the lower end of the probe rod, and a limit hole is formed in the side wall above the second step; the first spring is sleeved on the probe rod and is respectively abutted with the first step and the second step; the probe head is rotationally connected with the bottom end of the probe rod, and the bottom end is provided with a first tooth surface; the probe copper nose is sleeved on the probe rod and is positioned between the second step and the probe head; switching a copper nose; knitting a annealed copper wire, wherein two ends of the annealed copper wire are respectively welded on a copper nose of the probe and a copper nose of the adapter; the cell voltage needle is arranged at the bottom end of the probe head, penetrates through the probe head and is connected with the probe rod through the limiting hole. The utility model has the advantages that: the contact stability and the application range of the probe are greatly improved, and the cost is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of chemical component capacity, in particular to a split chemical component probe.
Background
The battery core is required to be subjected to formation and capacity division by using formation and capacity division equipment in the production process, namely, accurate and stable voltage and current are loaded between the positive electrode post and the negative electrode post of the battery core through a probe so as to stably activate chemical substances in the battery core and form stable and virtuous-circle electrochemical reaction; and carrying out capacity test on the battery core by capacity division, accurately recording the current value and the voltage value of the battery core changing along with time in the charging and discharging process, and testing the accurate battery core capacity according to a current voltage-time curve. The probe is used as a bridge for connecting the battery core pole with the outside, and the connection stability and reliability, large overcurrent, small contact resistance and quick maintenance are required to be ensured.
Conventionally, probes used by chemical composition equipment are mostly integrated, after tooth surfaces of the probes are worn and aged, the whole probes are required to be replaced, so that unnecessary waste is caused, the time and material cost for whole replacement and maintenance are increased, and although some split probes exist, the problem of poor contact with polar posts exists; and the traditional probe adopts a tail wire outlet structure, current is required to be conducted onto the gold-plated probe head through the probe rod, the requirement on the material of the probe rod is high, and the tail wire outlet structure is not suitable for automatic mold changing (adjusting the probe spacing).
Therefore, how to provide a split-type component probe, to improve the contact stability and application range of the probe, and reduce the cost, is a technical problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a split type chemical composition probe, which can improve the contact stability and the application range of the probe and reduce the cost.
The utility model is realized in the following way: a split-type chemical composition probe, comprising:
a probe seat, the interior of which is hollow, and a first step is arranged inwards near the lower end;
the screw is arranged in the probe seat through the top end of the first step;
the top end of the probe rod is rotatably connected with the screw, and is further arranged at the lower end of the probe seat, a second step is outwards arranged near the lower end, and a limiting hole is formed in the side wall above the second step in a penetrating manner;
the first spring is sleeved on the probe rod, the top end of the first spring is in butt joint with the bottom end of the first step, and the bottom end of the first spring is in butt joint with the top end of the second step;
the probe head is rotationally connected with the bottom end of the probe rod, and the bottom end is provided with a first tooth surface;
the probe copper nose is sleeved on the probe rod and is positioned between the second step and the probe head;
a transfer copper nose;
one end of the braided annealed copper wire is welded on the copper nose of the probe, and the other end of the braided annealed copper wire is welded on the copper nose of the adapter;
and the battery cell voltage needle is arranged at the bottom end of the probe head, penetrates through the probe head and is connected with the probe rod through the limiting hole.
Further, the cell voltage pin includes:
a knife switch type voltage needle, the bottom end of which is provided with a second tooth surface, a limit groove is arranged near the top end in a penetrating way, and the middle part of the voltage needle passes through the probe head from bottom to top and stretches into the probe rod;
the second spring is sleeved on the voltage pin;
the insulating sleeve is sleeved on the second spring;
the mounting sleeve is sleeved on the insulating sleeve;
and the limiting rod penetrates through the limiting hole and the limiting groove.
The utility model has the advantages that:
the probe head is rotatably connected with the bottom end of the probe rod, namely, a split structure is adopted, so that the probe head can be directly replaced when the probe head is worn; a probe copper nose is arranged between the probe head and the second step of the probe rod, and the probe copper nose is connected with the switching copper nose through a braided annealed copper wire, namely, a structure of leading out wires is adopted to replace a traditional structure of leading out wires at the tail part, and current does not need to pass through the probe rod, so that the material requirement on the probe rod is reduced, and the probe rod is also suitable for automatic mold changing; through setting up first flank of tooth in the bottom of probe head, set up the second flank of tooth in the bottom of voltage needle, when formation composition probe pressfitting electric core post, the second flank of tooth pierces the post surface oxide layer under the elasticity effect of second spring earlier, then the first flank of tooth pierces post surface oxide layer under the elasticity effect of first spring, and then fully contacts electric core post, very big promotion the contact stability and the application scope of probe at last, very big reduce the cost.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a split type split probe according to the present utility model.
Fig. 2 is a cross-sectional view of a split-type split probe of the present utility model.
Marking:
100-a split type component probe, 1-probe seat, 2-screw, 3-probe rod, 4-first spring, 5-probe head, 6-probe copper nose, 7-switching copper nose, 8-knitting annealed copper wire, 9-cell voltage needle, 11-first step, 31-second step, 51-first tooth surface, 91-voltage needle, 92-second spring, 93-insulating sleeve, 94-installation sleeve, 95-limit rod, 911-second tooth surface and 912-limit groove.
Detailed Description
The embodiment of the utility model solves the technical problems that the integral probe in the prior art is required to be replaced after being worn and aged, so that unnecessary waste is caused, the integral probe is not in good contact with a pole, the traditional probe adopts a tail wire-out structure, current is required to be conducted onto a gold-plated probe head through a probe rod, the material requirement on the probe rod is high, the tail wire-out structure is not suitable for automatic replacement, and the technical effects of greatly improving the contact stability and the application range of the probe and greatly reducing the cost are realized.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: the probe head 5 and the probe rod 3 are arranged in a split structure so as to be convenient for maintenance and replacement; a probe copper nose 6 is arranged between the probe head 5 and the second step 31 of the probe rod 3, and the probe copper nose 6 is connected with the switching copper nose 7 through a braided annealed copper wire 8, namely, a head wire outlet structure is adopted, and current does not need to pass through the probe rod 3, so that the material requirement on the probe rod 3 is reduced, and the automatic mold changing device is also suitable for automatic mold changing; through setting up first flank of tooth 51 in the bottom of probe head 5, set up second flank of tooth 911 in the bottom of voltage needle 91 for impale post surface oxide layer in order fully to contact, and then promote probe 100's contact stability and application scope, reduce cost.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 2, a split-type chemical composition probe 100 according to a preferred embodiment of the present utility model comprises:
a probe seat 1 is hollow and is provided with a first step 11 inwards near the lower end; the probe seat 1 is used for installing a probe rod 3 and guiding the probe rod 3; the first step 11 is used for clamping the screw 2 and the first spring 4;
the screw 2 is arranged in the probe seat 1 through the top end of the first step 11 and is used for locking the probe rod 3;
the top end of the probe rod 3 is rotatably connected with the screw 2, and is further arranged at the lower end of the probe seat 1, a second step 31 is outwards arranged near the lower end, and a limiting hole (not shown) is formed in the side wall above the second step 31 in a penetrating manner; the second step 31 is used for clamping the first spring 4 and the copper nose 6 of the probe;
a first spring 4 sleeved on the probe rod 3, wherein the top end of the first spring is abutted with the bottom end of the first step 11, and the bottom end of the first spring is abutted with the top end of the second step 31, so as to provide elasticity for pressing down the probe head 5;
the probe head 5 is rotatably connected with the bottom end of the probe rod 3, is convenient to replace and maintain, and is provided with a first tooth surface 51 at the bottom end for pressing the electric core pole and penetrating through the oxide layer on the surface of the pole;
a probe copper nose 6 sleeved on the probe rod 3 and positioned between the second step 31 and the probe head 5 for transmitting current;
a transfer copper nose 7 for transmitting current;
one end of a braided annealed copper wire 8 is welded on the probe copper nose 6, and the other end is welded on the switching copper nose 7 for transmitting current; the braided annealed copper wire 8 is subjected to ultrasonic cold welding, so that current conduction is smoother, and the resistance is small;
and the battery cell voltage needle 9 is arranged at the bottom end of the probe head 5, penetrates through the probe head 5 and is connected with the probe rod 3 through the limiting hole and is used for pressing a battery cell pole and penetrating through an oxide layer on the surface of the pole.
The cell voltage pin 9 includes:
a knife-blade type voltage needle 91, the bottom end of which is provided with a second tooth surface 911, a limit groove 912 is arranged near the top end in a penetrating way, and the middle part of the voltage needle passes through the probe head 5 from bottom to top and stretches into the probe rod 3;
a second spring 92 sleeved on the voltage pin 91 for applying pressure to the voltage pin 91 to pierce the oxide layer on the surface of the pole;
an insulation sleeve 93 is sleeved on the second spring 92 to perform insulation function and has a self-lubrication effect, so that the voltage pin 91 cannot be blocked in the pressing action process;
a mounting sleeve 94 sleeved on the insulating sleeve 93 for mounting and guiding;
and a limiting rod 95 passes through the limiting hole and the limiting groove 912 and is used for limiting the lifting of the voltage pin 91.
The working principle of the utility model is as follows:
when the chemical component packaging device is used, the chemical component packaging probe 100 starts to perform the pressing action, the voltage pin 91 is firstly contacted with the electric core pole, and is compressed into the probe head 5, the second spring 92 is compressed in the compression process, the pressure of the second spring 92 is continuously increased, the second tooth surface 911 of the voltage pin 91 is used for puncturing the pole surface oxide layer under the pressure applied by the second spring 92 so as to be fully connected, after the electric core voltage pin 9 is pressed in place, the first tooth surface 51 of the probe head 5 is contacted with the pole surface, the first spring 4 starts to compress, the pressure is increased to the rated design pressure, and the first tooth surface 51 completely punctures the pole surface oxide layer.
After the first tooth surface 51 and the second tooth surface 911 of the probe head 5 and the cell voltage pin 9 are worn, the limit rod 95 is taken out, the probe head 5 is rotated, and the probe head 5 and the cell voltage pin 9 are taken down together and replaced.
In summary, the utility model has the advantages that:
the probe head is rotatably connected with the bottom end of the probe rod, namely, a split structure is adopted, so that the probe head can be directly replaced when the probe head is worn; a probe copper nose is arranged between the probe head and the second step of the probe rod, and the probe copper nose is connected with the switching copper nose through a braided annealed copper wire, namely, a structure of leading out wires is adopted to replace a traditional structure of leading out wires at the tail part, and current does not need to pass through the probe rod, so that the material requirement on the probe rod is reduced, and the probe rod is also suitable for automatic mold changing; through setting up first flank of tooth in the bottom of probe head, set up the second flank of tooth in the bottom of voltage needle, when formation composition probe pressfitting electric core post, the second flank of tooth pierces the post surface oxide layer under the elasticity effect of second spring earlier, then the first flank of tooth pierces post surface oxide layer under the elasticity effect of first spring, and then fully contacts electric core post, very big promotion the contact stability and the application scope of probe at last, very big reduce the cost.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (2)
1. A split-type chemical composition probe, characterized in that: comprising the following steps:
a probe seat, the interior of which is hollow, and a first step is arranged inwards near the lower end;
the screw is arranged in the probe seat through the top end of the first step;
the top end of the probe rod is rotatably connected with the screw, and is further arranged at the lower end of the probe seat, a second step is outwards arranged near the lower end, and a limiting hole is formed in the side wall above the second step in a penetrating manner;
the first spring is sleeved on the probe rod, the top end of the first spring is in butt joint with the bottom end of the first step, and the bottom end of the first spring is in butt joint with the top end of the second step;
the probe head is rotationally connected with the bottom end of the probe rod, and the bottom end is provided with a first tooth surface;
the probe copper nose is sleeved on the probe rod and is positioned between the second step and the probe head;
a transfer copper nose;
one end of the braided annealed copper wire is welded on the copper nose of the probe, and the other end of the braided annealed copper wire is welded on the copper nose of the adapter;
and the battery cell voltage needle is arranged at the bottom end of the probe head, penetrates through the probe head and is connected with the probe rod through the limiting hole.
2. A split, component probe as defined in claim 1, wherein: the cell voltage pin includes:
a knife switch type voltage needle, the bottom end of which is provided with a second tooth surface, a limit groove is arranged near the top end in a penetrating way, and the middle part of the voltage needle passes through the probe head from bottom to top and stretches into the probe rod;
the second spring is sleeved on the voltage pin;
the insulating sleeve is sleeved on the second spring;
the mounting sleeve is sleeved on the insulating sleeve;
and the limiting rod penetrates through the limiting hole and the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824060.6U CN220323500U (en) | 2023-07-12 | 2023-07-12 | Split type chemical composition probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824060.6U CN220323500U (en) | 2023-07-12 | 2023-07-12 | Split type chemical composition probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220323500U true CN220323500U (en) | 2024-01-09 |
Family
ID=89418326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321824060.6U Active CN220323500U (en) | 2023-07-12 | 2023-07-12 | Split type chemical composition probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220323500U (en) |
-
2023
- 2023-07-12 CN CN202321824060.6U patent/CN220323500U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |