CN217085209U - Test needle bed - Google Patents
Test needle bed Download PDFInfo
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- CN217085209U CN217085209U CN202220246125.2U CN202220246125U CN217085209U CN 217085209 U CN217085209 U CN 217085209U CN 202220246125 U CN202220246125 U CN 202220246125U CN 217085209 U CN217085209 U CN 217085209U
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- probe assembly
- probe
- assembly
- needle bed
- supporting structure
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Abstract
The utility model relates to a measure, test technical field particularly, relate to a test needle bed. The test needle bed comprises a first probe assembly, a second probe assembly, a supporting structure and an elastic piece; the second probe assembly is arranged opposite to the first probe assembly, the supporting structure is movably arranged between the first probe assembly and the second probe assembly, the elastic piece is arranged between the supporting structure and the second probe assembly and/or between the supporting structure and the first probe assembly, and the elastic piece is used for resetting after the supporting structure moves. The utility model discloses a second probe subassembly is earlier pressed fixed back to the first surface of battery module, drives battery module and bearing structure again and removes to the direction of first probe subassembly, and the second surface and the first probe subassembly of battery module are laminated mutually, can ensure the contact quality between first probe subassembly, second probe subassembly and the battery module effectively, and the normal clear when guarantee battery module fills, discharges.
Description
Technical Field
The utility model relates to a measure, test technical field particularly, relate to a test needle bed.
Background
In the production and manufacturing process of the battery, the battery needs to be subjected to component-volume grading treatment, and the conventional battery component-volume grading mechanism is used for firstly placing the battery on the lower probe module, so that the battery is firstly contacted with a probe head of the lower probe module, and then pressing the upper probe module to press the probe head of the upper probe module on the battery. However, in this state, on one hand, it cannot be guaranteed that the battery is fixed in the battery box, the battery is prone to instability and shaking, and on the other hand, the contact quality between the battery and the upper and lower probes cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an among the current mechanism because the battery unstability leads to contact failure between probe and the battery.
In order to solve the above problems, the present invention provides a testing needle bed, which comprises a first probe assembly, a second probe assembly, a supporting structure and an elastic member; the second probe assembly is arranged opposite to the first probe assembly and is suitable for moving towards a direction close to or away from the first probe assembly; a battery module is placed on the supporting structure, the supporting structure is movably arranged between the first probe assembly and the second probe assembly, and the second probe assembly is suitable for pressing the battery module to drive the supporting structure to move towards the direction close to the first probe assembly; the elastic piece is arranged between the supporting structure and the second probe assembly and/or between the supporting structure and the first probe assembly, and the elastic piece is used for resetting after the supporting structure moves.
Optionally, the first probe assembly comprises a first connecting piece and a probe structure, the probe structure is detachably connected with the first connecting piece, and the probe structure is uniformly distributed on the first connecting piece.
Optionally, the first probe assembly further comprises a mounting plate, the mounting plate is detachably connected with the first connecting piece, a threaded hole is formed in the mounting plate, and the probe structure is suitable for being in threaded connection with the threaded hole.
Optionally, a limiting structure is arranged on the supporting structure, and one end of the limiting structure, which is far away from the supporting structure, is suitable for being matched with the lower surface stop of the second probe assembly.
Optionally, the test needle bed further includes a first guide structure, the first guide structure is mounted on the first probe assembly, and the second probe assembly and the support structure are respectively connected with the first guide structure in a sliding manner.
Optionally, the test needle bed further includes a second guide structure, the second guide structure is mounted on the first probe assembly, the elastic member is sleeved on a circumferential surface of the second guide structure, and one end of the second guide structure, which is far away from the first probe assembly, is slidably connected to the support structure.
Optionally, the testing needle bed further comprises a positioning member, the positioning member is mounted on the supporting structure, and the positioning member is used for positioning the battery module.
Optionally, the testing needle bed further comprises a driving mechanism, the driving mechanism is mounted on the first probe assembly, the driving mechanism is in driving connection with the second probe assembly, and the driving mechanism is suitable for driving the second probe assembly to move towards or away from the first probe assembly.
Optionally, the test needle bed further comprises a first detection device, the first detection device is mounted on the second probe assembly and/or the support structure, and the first detection device is used for detecting the position of the second probe assembly and/or the battery module.
Optionally, the test needle bed further comprises a second detection device, the second detection device is mounted on the first probe assembly and/or the second probe assembly, and the second detection device is used for detecting the temperature of the battery module.
The embodiment of the utility model provides a test needle bed presses down fixed back through the first surface of second probe subassembly to the battery module earlier, drives battery module and bearing structure again and removes to the direction of first probe subassembly, and the second surface and the first probe subassembly of battery module are laminated mutually, can ensure the contact quality between first probe subassembly, the probe subassembly of second and the battery module effectively, and the guarantee battery module is filled, normal when discharging.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a testing needle bed of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the testing needle bed of the present invention;
fig. 3 is a partial enlarged view of a portion a in fig. 2 according to the present invention.
Description of reference numerals:
1-a first probe assembly; 11-a first connection member; 12-a probe structure; 13-mounting a plate; 2-a second probe assembly; 21-a second connector; 3-a support structure; 31-a limiting structure; 4-an elastic member; 5-a first guiding structure; 6-a second guiding structure; 7-a positioning member; 8-a drive mechanism; 9-a first detection device; 10-a second detection device; 20-battery module.
Detailed Description
The terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or a rotatable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention provides a coordinate system XYZ in the drawings of the embodiments, wherein the forward direction of the X axis represents the right direction, the backward direction of the X axis represents the left direction, the forward direction of the Z axis represents the top, the backward direction of the Z axis represents the bottom, the forward direction of the Y axis represents the front, the backward direction of the Y axis represents the back, and the directions or positional relationships indicated by the terms "up", "down", "front", "back", "left" and "right" etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description, rather than indicating or implying that the device to be referred must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present invention.
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1, an embodiment of the present invention provides a testing needle bed comprising a first prober assembly 1, a second prober assembly 2, a support structure 3, and an elastic member 4; the second probe assembly 2 is arranged opposite to the first probe assembly 1, and the second probe assembly 2 is suitable for moving towards or away from the first probe assembly 1; a battery module 20 is placed on the supporting structure 3, the supporting structure 3 is movably installed between the first probe assembly 1 and the second probe assembly 2, and the second probe assembly 2 is suitable for pressing the battery module 20 to drive the supporting structure 3 to move towards the direction close to the first probe assembly 1; the elastic member 4 is installed between the supporting structure 3 and the second probe assembly 2 and/or between the supporting structure 3 and the first probe assembly 1, and the elastic member 4 is used for resetting after the supporting structure 3 moves.
The battery module 20 may be placed on the supporting structure 3, the battery module 20 may include a plurality of cylindrical batteries and a battery tray, one end of the cylindrical batteries close to the second probe assembly 2 may be a positive electrode or a negative electrode of the batteries, and one end of the cylindrical batteries close to the first probe assembly 1 may be a negative electrode or a positive electrode of the batteries. When the battery module 20 is placed on the supporting structure 3, a certain distance is formed between one end of the cylindrical battery close to the first probe assembly 1 and the first probe assembly 1, and the cylindrical battery is not in contact with the first probe assembly 1. When the second probe assembly 2 moves along the Z-axis negative direction and presses the cylindrical battery, the second probe assembly 2 firstly contacts the upper surface of the cylindrical battery and presses the cylindrical battery in the battery supporting plate, so that the cylindrical battery is prevented from shaking relative to the battery supporting plate. During the downward movement of the second probe assembly 2, the battery module 20 and the support structure 3 move together toward the first probe assembly 1 until the lower surface of the cylindrical battery contacts the upper surface of the first probe assembly 1.
The elastic member 4 may be a spring, and in one embodiment, the spring is located between the support structure 3 and the first probe assembly 1, a first end of the spring may abut against the bottom of the support structure 3, and a second end of the spring abuts against the top of the first probe assembly 1. When the supporting structure 3 moves towards the direction close to the first probe assembly 1, the spring can be compressed, elastic potential energy can be stored after the spring is compressed, and after the external force action disappears, the spring can push the supporting structure 3 to move towards the direction far away from the first probe assembly 1, so that the supporting structure 3 is reset. In another embodiment, a first end of the spring may be connected to the second probe assembly 2 and a second end of the spring is connected to the support structure 3. When the supporting structure 3 moves towards the direction close to the first probe assembly 1, the spring can be stretched, the stretched spring can store elastic potential energy, and after the external force action disappears, the spring can pull the supporting structure 3 towards the direction far away from the first probe assembly 1, so that the supporting structure 3 is reset. In another embodiment, springs may be installed between the supporting structure 3 and the second probe assembly 2, and between the supporting structure 3 and the first probe assembly 1, and the advantageous effects of this embodiment are the same as those of the above embodiments, and are not described herein again.
After the first surface of battery module 20 is pressed and fixed earlier through second probe subassembly 2, drive battery module 20 and bearing structure 3 and remove to the direction of first probe subassembly 1 again, until the second surface of battery module 20 and the laminating of first probe subassembly 1 mutually, can ensure the contact quality between first probe subassembly 1, second probe subassembly 2 and the battery module 20 effectively, the normal clear when guarantee battery module 20 charges, discharges.
As shown in fig. 1, the first probe assembly 1 includes a first connecting member 11 and probe structures 12, the probe structures 12 are detachably connected to the first connecting member 11, and the probe structures 12 are uniformly distributed on the first connecting member 11. A plurality of openings can be formed in the first connecting member 11, the openings can be uniformly formed along the surface of the first connecting member 11, and the probe structure 12 can be installed in the openings. The probe structure 12 can be mounted in the opening by plugging or screwing so as to facilitate subsequent maintenance and replacement.
The second probe assembly 2 comprises a second connecting piece 21 and probe structures 12, the probe structures 12 are detachably connected with the second connecting piece 21, and the probe structures 12 are uniformly distributed on the second connecting piece 21. The second connector 21 may also have a plurality of openings formed therein, the openings may be uniformly disposed along the surface of the second connector 21, and the probe structure 12 may be installed in the openings. The probe structure 12 can be mounted in the opening by plugging or screwing so as to facilitate subsequent maintenance and replacement.
As shown in fig. 1, the first probe assembly 1 further includes a mounting plate 13, the mounting plate 13 is detachably connected to the first connecting member 11, a threaded hole is formed in the mounting plate 13, and the probe structure 12 is adapted to be in threaded connection with the threaded hole.
Waist-shaped holes can be formed in the first connecting piece 11, through holes can be formed in the mounting plate 13, and bolts can penetrate through the through holes and the waist-shaped holes respectively to connect the mounting plate 13 and the first connecting piece 11. And the waist-shaped holes can be arranged along the X-axis or Y-axis direction to provide error adjustment with a certain margin, so that the situation that the first probe assembly 1 or the second probe assembly 2 cannot correspond to the battery module 20 due to machining errors or installation errors is avoided.
The circumference surface of probe structure 12 can be opened there is the external screw thread, and the screw hole can be followed mounting panel 13's surface and evenly set up, and the circumference internal surface of trompil has the internal thread, internal thread and external screw thread phase-match to ensure that probe structure 12 can be screwed into in the screw hole. Therefore, when the test needle bed is used for a long time, the probe structure 12 may be damaged or failed due to long-term use, and the normal use of the test needle bed can be guaranteed only by disassembling and replacing the damaged probe structure 12.
As shown in fig. 1, a limiting structure 31 is disposed on the supporting structure 3, and an end of the limiting structure 31 away from the supporting structure 3 is adapted to be in stop fit with a lower surface of the second probe assembly 2.
After the second probe assembly 2 moves towards the first probe assembly 1, the limiting structure 31 can limit the limit position of the second probe assembly 2, so as to prevent the upper surface of the battery module 20 from being damaged due to excessive movement of the second probe assembly 2.
As shown in fig. 1, the testing needle bed further comprises a first guiding structure 5, the first guiding structure 5 is mounted on the first probe assembly 1, and the second probe assembly 2 and the supporting structure 3 are respectively connected with the first guiding structure 5 in a sliding manner.
Through holes can be formed in the second probe assembly 2 and the supporting structure 3, and the first guide structure 5 can be arranged in the through holes in a penetrating mode. When the second probe assembly 2 and the support structure 3 move along the Z-axis direction, the second probe assembly 2 and the support structure 3 can move along the axial direction of the through hole through the first guide structure 5, so as to realize the overall ascending and descending of the second probe assembly 2 and the support structure 3, and the first guide structure 5 can play a role in guiding the movement of the second probe assembly 2 and the support structure 3. The number of the first guide structures 5 may be four, the number of the through holes is matched with the number of the first guide structures 5, and the through holes are uniformly distributed on the support structure 3 and the second probe assembly 2. Therefore, when the second probe assembly 2 and the supporting structure 3 move along the Z-axis direction, the second probe assembly 2 and the supporting structure 3 can be ensured to be stable.
As shown in fig. 1, the testing needle bed further includes a second guiding structure 6, the second guiding structure 6 is mounted on the first probe assembly 1, the elastic member 4 is sleeved on a circumferential surface of the second guiding structure 6, and an end of the second guiding structure 6 away from the first probe assembly 1 is slidably connected to the supporting structure 3.
The elastic member 4 may be a spring, the number of the springs is four, and the spring is sleeved on the second guiding structure 6. The second guide structure 6 can fix the position of the spring to prevent the spring from falling off. At the same time, the compression or return of the spring in the axial direction of the second guide structure 6 can be ensured by the second guide structure 6. When the supporting structure 3 moves towards the first probe assembly 1, the distance between the end of the second guiding structure 6 away from the first probe assembly 1 and the upper surface of the supporting structure 3 gradually increases. A stop block may be disposed at an end of the second guide structure 6 away from the first probe assembly 1 to prevent the support structure 3 from falling off from the second guide structure 6.
As shown in fig. 1, the testing needle bed further includes a positioning member 7, the positioning member 7 is mounted on the supporting structure 3, and the positioning member 7 is used for positioning the battery module 20.
The positioning piece 7 can play a role in positioning the battery module 20, and when the battery module 20 is placed on the supporting structure 3, the position of the battery module is fixed relative to the first probe assembly 1 and the second probe assembly 2, so that the accuracy of the first probe assembly 1 and the second probe assembly 2 in pressing the battery module 20 is improved. The positioning members 7 may be shaped as plate-like structures, block-like structures, etc., and the number of the positioning members 7 may be one, two, three, four, etc. For example, in a preferred embodiment of the present invention, the number of the positioning members 7 is eight, the battery module 20 is located between eight positioning members 7, every two positioning members 7 are in one group, two positioning members 7 in each group are arranged at 90 degrees, and two positioning members 7 are respectively attached to one of the sides of the battery module 20.
As shown in fig. 1, the testing needle bed further includes a driving mechanism 8, the driving mechanism 8 is mounted on the first probe assembly 1, the driving mechanism 8 is in driving connection with the second probe assembly 2, and the driving mechanism 8 is adapted to drive the second probe assembly 2 to move toward or away from the first probe assembly 1.
The driving mechanism 8 can be a cylinder, an electric cylinder, a stepping motor, a servo motor, a linear motor and the like. Taking the cylinder as an example, the cylinder may be a double-acting cylinder, and the cylinder may be provided with two air holes respectively, and the air flows through the two air holes, so that the piston rod may move in the positive direction and the negative direction of the Z axis. Thus, the movement of the second probe assembly 2 in the Z-axis direction can be achieved by the double acting cylinder, thereby achieving the pressing or releasing of the upper surface of the battery module 20.
As shown in fig. 2, the testing needle bed further includes a first detecting device 9, the first detecting device 9 is installed on the second probe assembly 2 and/or the supporting structure 3, and the first detecting device 9 is used for detecting the position of the second probe assembly 2 and/or the battery module 20.
The first detection means 9 may be a travel switch, a displacement sensor, a grating, a magnetic grating, a photoelectric sensor, a laser sensor, a proximity sensor, or the like. The first detection device 9 can detect whether the battery module 20 is in place, and detect whether the first probe assembly 1, the second probe assembly 2 and the battery module 20 are in place by pressing.
As shown in fig. 2 and fig. 3, the testing needle bed further includes a second detecting device 10, the second detecting device 10 is mounted on the first prober assembly 1 and/or the second prober assembly 2, and the second detecting device 10 is used for detecting the temperature of the battery module 20.
The second detecting device 10 may be a temperature sensor, and the number of the temperature sensors may be set according to requirements. In a preferred embodiment of the present invention, the battery module 20 comprises a plurality of cylindrical batteries, and a temperature sensor is disposed between every four cylindrical batteries and is installed on the first probe assembly 1 and/or the second probe assembly 2. After the first probe assembly 1 and the second probe assembly 2 press the battery module 20, the temperature sensor extends between the four cylindrical batteries to detect the charging and discharging temperatures of the batteries. The second detecting device 10 can detect the temperature of each position of the battery module 20 under the current condition in real time, and when the temperature is too high, the second detecting device 10 can transmit a signal to the controller and alarm to prompt the user.
Although the present application has been disclosed above, the scope of protection of the present application is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. A test needle bed, characterized in that it comprises:
a first probe assembly;
a second probe assembly disposed opposite the first probe assembly, the second probe assembly adapted to move toward or away from the first probe assembly;
the supporting structure is movably arranged between the first probe assembly and the second probe assembly, and the second probe assembly is suitable for pressing the battery module to drive the supporting structure to move towards the direction close to the first probe assembly;
and the elastic piece is arranged between the supporting structure and the second probe assembly and/or between the supporting structure and the first probe assembly, and the elastic piece is used for resetting after the supporting structure moves.
2. Testing needle bed according to claim 1, characterized in that the first probe assembly comprises a first connector and probe structures which are detachably connected to the first connector, the probe structures being evenly distributed over the first connector.
3. The test needle bed according to claim 2, wherein the first probe assembly further comprises a mounting plate detachably connected to the first connector, the mounting plate having a threaded hole formed therein, the probe structure being adapted to be threadedly connected to the threaded hole.
4. Testing needle bed according to claim 1, characterized in that a stop structure is provided on the support structure, the end of the stop structure remote from the support structure being adapted to cooperate with a lower surface stop of the second probe assembly.
5. The test needle bed according to claim 1, further comprising a first guide structure mounted on the first prober assembly, the second prober assembly, the support structure being slidably connected with the first guide structure, respectively.
6. The test needle bed according to claim 1, further comprising a second guide structure mounted on the first prober assembly, wherein the elastic member is sleeved on a circumferential surface of the second guide structure, and wherein an end of the second guide structure remote from the first prober assembly is slidably connected to the support structure.
7. Test needle bed according to claim 1, characterized in that it further comprises positioning elements which are mounted on the support structure and which serve for positioning the battery modules.
8. A test needle bed according to claim 1, further comprising a drive mechanism mounted to the first prober assembly, the drive mechanism being in driving connection with the second prober assembly, the drive mechanism being adapted to drive the second prober assembly to move toward or away from the first prober assembly.
9. A testing needle bed according to claim 1, characterized in that it further comprises a first detection device mounted on said second probe assembly and/or on said supporting structure, said first detection device being intended to detect the position of said second probe assembly and/or of said battery module.
10. The testing needle bed according to claim 1, characterized in that the testing needle bed further comprises a second detection device, the second detection device is mounted on the first probe assembly and/or the second probe assembly, and the second detection device is used for detecting the temperature of the battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246125.2U CN217085209U (en) | 2022-01-29 | 2022-01-29 | Test needle bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246125.2U CN217085209U (en) | 2022-01-29 | 2022-01-29 | Test needle bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217085209U true CN217085209U (en) | 2022-07-29 |
Family
ID=82544735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220246125.2U Active CN217085209U (en) | 2022-01-29 | 2022-01-29 | Test needle bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217085209U (en) |
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2022
- 2022-01-29 CN CN202220246125.2U patent/CN217085209U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220905 Address after: Room 301, Building A9, Huafa Industrial Park, Fuyuan 1st Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Han's Dingsheng Intelligent Equipment Technology Co.,Ltd. Address before: No.9988, Shennan Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: Shenzhen Han's Dingsheng Intelligent Equipment Technology Co.,Ltd. |