CN216958561U - Large-current microneedle module - Google Patents
Large-current microneedle module Download PDFInfo
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- CN216958561U CN216958561U CN202220089978.XU CN202220089978U CN216958561U CN 216958561 U CN216958561 U CN 216958561U CN 202220089978 U CN202220089978 U CN 202220089978U CN 216958561 U CN216958561 U CN 216958561U
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- elastic sheet
- fixing seat
- bottom plate
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Abstract
The utility model provides a high-current microneedle module which comprises a bottom plate, a conductive elastic sheet and an elastic sheet fixing seat, wherein the elastic sheet fixing seat is provided with a first cavity, the conductive elastic sheet is arranged in the first cavity, and the bottom plate is connected with the elastic sheet fixing seat in a sliding manner; the conductive elastic sheet is provided with a bend, one end of the bend, which is close to the top of the elastic sheet fixing seat, is provided with an elastic sheet limiting part, one end of the bend, which is close to the bottom of the elastic sheet fixing seat, is provided with an elastic sheet prepressing part, and the elastic sheet prepressing part is in contact with the elastic sheet fixing seat; the bottom plate deviates from shell fragment fixing base one side and is equipped with the test PCB board, test PCB board and electrically conductive shell fragment electric connection, and the bottom plate deviates from test PCB board one side and is equipped with the pressing board, presses the pressing board to be connected with the bottom plate. The elastic piece prepressing portion is in elastic contact with the elastic piece fixing seat, the elastic piece prepressing portion is pressed through the elastic piece fixing seat, the stress point of the conductive elastic piece is close to the bottom of the conductive elastic piece, deformation of the top of the conductive elastic piece due to stress is avoided, and the service life of the high-current microneedle module is shortened.
Description
Technical Field
The utility model relates to the technical field of microneedle testing, in particular to a high-current microneedle module.
Background
With the development of fast-charging and high-performance products, the current required to pass through the connector part of the product is higher and higher. The previous high-current micro-needle test mostly depends on the upper part of the elastic sheet for limiting and providing prepressing, and a test product is in contact with the elastic sheet for testing. The upper part of the elastic sheet can move along with the compression movement of the elastic sheet, when the elastic sheet is used for a plurality of times, the elastic sheet is deformed permanently, the prepressing of the elastic sheet is changed, and the test is unstable.
Disclosure of Invention
The utility model provides a high-current microneedle module, aiming at overcoming the technical problem that the current high-current microneedle module is unstable in conduction.
The utility model provides a high-current microneedle module which comprises a bottom plate, a conductive elastic sheet and an elastic sheet fixing seat, wherein the elastic sheet fixing seat is provided with a first cavity, the conductive elastic sheet is arranged in the first cavity, and the bottom plate is movably connected with the elastic sheet fixing seat; the conductive elastic sheet is provided with a bend, an elastic sheet limiting part is arranged at one end of the bend close to the top of the elastic sheet fixing seat, an elastic sheet prepressing part is arranged at one end of the bend close to the bottom of the elastic sheet fixing seat, and the elastic sheet prepressing part is in contact with the elastic sheet fixing seat; a testing PCB is arranged on one side of the bottom plate, which is far away from the elastic piece fixing seat, and is electrically connected with the conductive elastic piece, and a pressing plate is arranged on one side of the bottom plate, which is far away from the testing PCB, and is connected with the bottom plate; during testing, the elastic sheet fixing seat presses the elastic sheet prepressing part to enable the bottom of the conductive elastic sheet to be pressed down, so that the contact stability of the conductive elastic sheet and the test PCB is improved.
Preferably, the bend is one of a right angle bend and an arc bend or a combination thereof.
Preferably, the conductive elastic sheet prepressing portion is in elastic contact with the elastic sheet fixing seat, and a gap is formed between the elastic sheet limiting portion and the elastic sheet fixing seat.
Preferably, the bottom plate is provided with a second cavity, the elastic sheet fixing seat is arranged in the second cavity, and the elastic sheet fixing seat is vertically connected in the second cavity in a sliding manner.
Preferably, the bottom plate is in a shape like a Chinese character 'tu', the pressing plate is provided with a third cavity, and a protruding part at the top of the bottom plate is arranged in the third cavity.
Preferably, one side, deviating from the bottom plate, of the pressing plate is provided with a limiting groove, the limiting groove is used for placing a product to be tested, and the shape of the limiting groove is consistent with that of the product to be tested.
Preferably, the pressing plate is elastically connected to the base plate.
Preferably, the bottom plate is fixedly connected with the test PCB.
Compared with the prior art, the high-current microneedle module provided by the utility model has the following advantages:
1. the utility model provides a heavy current micro-needle module, its includes pressing panel, bottom plate, electrically conductive shell fragment and shell fragment fixing base, electrically conductive shell fragment is equipped with shell fragment prepressing portion, the pressing panel is equipped with the fluting for place the product that awaits measuring, press down the product that awaits measuring makes the pressing panel downstream, the pressing panel drives the shell fragment fixing base downstream, the shell fragment fixing base is pressed the shell fragment prepressing portion. The conductive elastic sheet is prevented from being deformed under the vertical stress from the top, so that the contact between a product to be detected and the conductive elastic sheet is unstable.
2. The utility model provides a heavy current micropin module, shell fragment prepressing portion with shell fragment fixing base elastic contact, through the shell fragment fixing base is pressed shell fragment prepressing portion makes electrically conductive shell fragment stress point is close to electrically conductive shell fragment bottom avoids electrically conductive shell fragment top atress takes place to warp, shortens heavy current micropin module life.
Drawings
Fig. 1 is a cross-sectional view of a spring plate fixing seat in a high-current microneedle module provided by the present invention;
fig. 2 is an exploded view of the overall structure of a high-current microneedle module according to the present invention;
fig. 3 is a schematic structural diagram of a base plate and a pressing plate of a high-current microneedle module provided by the utility model.
Description of reference numerals: 1. a high-current micro-needle module; 2. a conductive spring plate; 21. a spring plate prepressing part; 22. a spring plate limiting part; 23. bending; 3. a spring plate fixing seat; 31. a first cavity; 4. a base plate; 41. a second cavity; 5. a pressing plate; 51. a limiting groove; 52. a third cavity; 6. and testing the PCB.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, 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 utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Referring to fig. 1 to 3, the present invention provides a high current microneedle module 1, which includes a base plate 4, a conductive spring 2 and a spring fixing seat 3, wherein the spring fixing seat 3 is provided with a first cavity 31, the conductive spring 2 is disposed in the first cavity 31, and the base plate 4 is slidably connected to the spring fixing seat 3; the conductive elastic sheet 2 is provided with a bend 23, one end of the bend 23 close to the top of the elastic sheet fixing seat 3 is provided with an elastic sheet limiting part 22, one end of the bend 23 close to the bottom of the elastic sheet fixing seat 3 is provided with an elastic sheet prepressing part 21, and the elastic sheet prepressing part 21 is in contact with the elastic sheet fixing seat 3; a testing PCB 6 is arranged on one side of the bottom plate 4, which is far away from the elastic sheet fixing seat 3, the testing PCB 6 is electrically connected with the conductive elastic sheet 2, a pressing plate 5 is arranged on one side of the bottom plate 4, which is far away from the testing PCB 6, and the pressing plate 5 is connected with the bottom plate 4; during the test, shell fragment fixing base 3 presses shell fragment splenium 21 in advance, makes the bottom of electrically conductive shell fragment 2 receive the power of pushing down, increases electrically conductive shell fragment 2 and test PCB board 6 contact stability.
It can be understood that first cavity 31 is used for spacing electrically conductive shell fragment 2, presses shell fragment fixing base 3 and makes shell fragment prepressing portion 21 take place deformation, makes electrically conductive shell fragment 2 bottom produce to the elasticity that test PCB board 6 removed, increases the electric connection stability of electrically conductive shell fragment 2 and the contact of test PCB board 6.
It can be understood that a slide rod is arranged between the bottom plate 4 and the spring plate fixing seat 3, a gap exists between the bottom plate 4 and the spring plate fixing seat 3, and the bottom plate 4 is connected with the spring plate fixing seat 3 through the slide rod in a sliding manner.
It can be understood, during the test, place the product that awaits measuring on the pressing plate 5, press the product that awaits measuring, pressing plate 5 and shell fragment fixing base 3 take place the displacement downwards, make the product that awaits measuring and electrically conductive shell fragment 2 electric connection, shell fragment fixing base 3 downward displacement presses shell fragment prepressing portion 21, electrically conductive shell fragment 2 bottom receives shell fragment prepressing portion 21's elasticity, increase electrically conductive shell fragment 2 and test PCB board 6's contact atress, thereby increase the product that awaits measuring and test PCB board 6 electric connection's stability. Pressing down shell fragment pre-pressing portion 21 through shell fragment fixing base 3, avoiding electrically conductive shell fragment 2 to use for a long time and taking place to warp, electrically conductive shell fragment 2 whole height shortens, leads to the product that awaits measuring and electrically conductive shell fragment 2 electric connection unstable, shortens the life of heavy current micropin module 1.
Specifically, the bend 23 is any one of a right-angle bend and an arc bend or a combination thereof.
It can be understood that conductive elastic sheet 2 is equipped with 23 of bending, and when pressing conductive elastic sheet 2 top through the product that awaits measuring, conductive elastic sheet 2 bend 23 produce toward the reaction elasticity of the product direction that awaits measuring, increase conductive elastic sheet 2 and the electric connection stability of the product that awaits measuring.
It can be understood that, for example, when the bend 23 is a right-angle bend, the shape of the right-angle bend is at least "Contraband", and one end of the bend 23 is pressed by the product to be tested, so that the bend 23 generates a reaction elastic force to increase the centripetal force between the conductive elastic sheet 2 and the product to be tested.
Specifically, the conductive elastic piece 2 prepressing portion is in elastic contact with the elastic piece fixing seat 3, and a gap is formed between the elastic piece limiting portion 22 and the elastic piece fixing seat 3.
It can be understood that, electrically conductive shell fragment 2 bottom and test PCB board 6 contact and electric connection, shell fragment fixing base 3 moves down perpendicularly, presses electrically conductive shell fragment 2 prepressing portion through shell fragment fixing base 3, and the reaction elasticity that electrically conductive shell fragment 2 prepressing portion produced increases the centripetal force when electrically conductive shell fragment 2 bottom and test PCB board 6 contact, makes electrically conductive shell fragment 2 and test PCB board 6 electric connection stability increase.
It can be understood that the clearance distance between the spacing portion 22 of shell fragment and the shell fragment fixing base 3 is unanimous with the distance that shell fragment prepressing portion 21 takes place deformation, avoids shell fragment prepressing portion 21 to take place the deformation distance too big, leads to shell fragment prepressing portion 21 can't resume original state through the toughness of self material.
Specifically, the bottom plate 4 is provided with a second cavity 41, the spring fixing seat 3 is disposed in the second cavity 41, and the spring fixing seat 3 is vertically slidably connected in the second cavity 41.
It can be understood that the bottom plate 4 is provided with the second cavity 41, and the second cavity 41 is used for limiting the elastic sheet fixing seat 3, so that the elastic sheet fixing seat 3 can only slide vertically, the elastic sheet fixing seat 3 is prevented from moving towards other directions except the vertical direction, the conductive elastic sheet 2 is prevented from being deformed by the force of other directions, and the service life of the high-current microneedle module 1 is shortened.
It can be understood that the top of the second cavity 41 is provided with an opening, and the shape of the opening is smaller than that of the spring fixing seat 3. The pressing plate 5 can press the spring plate fixing seat 3, and meanwhile, the spring plate fixing seat 3 is prevented from being separated from the top opening of the second cavity 41 and removing the inner cavity of the second cavity 41.
Specifically, the bottom plate 4 is in a shape of a Chinese character 'tu', the pressing plate 5 is provided with a third cavity 52, and a top protruding part of the bottom plate 4 is arranged in the third cavity 52.
It can be understood that bottom plate 4 is "protruding" font, and in third cavity 52 was arranged in to 4 bulge of bottom plate, the shape of third cavity 52 inner chamber was unanimous with 4 bulge of bottom plate shape, and third cavity 52 is limiting displacement about avoiding appearing when pressing the shell fragment fixing base 3 according to pressing plate 5.
Specifically, the pressing plate 5 is provided with a limiting groove 51 on one side deviating from the bottom plate 4, the limiting groove 51 is used for placing a product to be tested, and the shape of the limiting groove 51 is consistent with that of the product to be tested.
It can be understood that the limiting groove 51 is used for limiting, the shape of the limiting groove 51 is consistent with that of the product to be tested, and when the product to be tested is prevented from being pressed, the product to be tested is displaced, so that the product to be tested is unstable in contact with the conductive elastic sheet 2.
Specifically, the pressing plate 5 is elastically connected to the base plate 4.
It can be understood that the pressing plate 5 and the bottom plate 4 are limited by at least 2 sliding rods, and the pressing plate 5 and the bottom plate 4 are elastically connected by a spring.
Specifically, the bottom plate 4 is fixedly connected with the test PCB board 6.
It can be understood that the bottom plate 4 and the test PCB 6 are fixedly connected by screws, the test PCB 6 can be replaced after the screws are loosened by damaging the test PCB 6, and the service life of the high-current micro-needle module 1 is prolonged.
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 utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A kind of great current micro-needle die set, characterized by: the conductive elastic sheet is arranged in the first cavity, and the bottom plate is movably connected with the elastic sheet fixing seat;
the conductive elastic sheet is provided with a bend, an elastic sheet limiting part is arranged at one end of the bend close to the top of the elastic sheet fixing seat, an elastic sheet prepressing part is arranged at one end of the bend close to the bottom of the elastic sheet fixing seat, and the elastic sheet prepressing part is in contact with the elastic sheet fixing seat;
a testing PCB is arranged on one side of the bottom plate, which is far away from the elastic piece fixing seat, and is electrically connected with the conductive elastic piece, and a pressing plate is arranged on one side of the bottom plate, which is far away from the testing PCB, and is connected with the bottom plate;
during testing, the elastic sheet fixing seat presses the elastic sheet prepressing part to enable the bottom of the conductive elastic sheet to be pressed down, so that the contact stability of the conductive elastic sheet and the test PCB is improved.
2. The high current microneedle module of claim 1, wherein: the bending is any one of right-angle bending and arc bending or combination thereof.
3. The high current microneedle module of claim 1, wherein: the conductive elastic sheet prepressing part is in elastic contact with the elastic sheet fixing seat, and a gap is formed between the elastic sheet limiting part and the elastic sheet fixing seat.
4. The high current microneedle module of claim 1, wherein: the bottom plate is provided with a second cavity, the elastic sheet fixing seat is arranged in the second cavity, and the elastic sheet fixing seat is vertically connected in the second cavity in a sliding mode.
5. The high current microneedle module of claim 1, wherein: the bottom plate is arranged in a convex shape, the pressing plate is provided with a third cavity, and a convex part at the top of the bottom plate is arranged in the third cavity.
6. The high current microneedle module according to claim 5, wherein: the pressing plate deviates from bottom plate one side is equipped with the spacing groove, the spacing groove is used for placing the product that awaits measuring, the spacing groove shape with the product that awaits measuring is unanimous.
7. The high current microneedle module according to claim 5, wherein: the pressing plate is elastically connected with the bottom plate.
8. The high current microneedle module of claim 1, wherein: the bottom plate is fixedly connected with the test PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089978.XU CN216958561U (en) | 2022-01-14 | 2022-01-14 | Large-current microneedle module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089978.XU CN216958561U (en) | 2022-01-14 | 2022-01-14 | Large-current microneedle module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958561U true CN216958561U (en) | 2022-07-12 |
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ID=82315644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220089978.XU Active CN216958561U (en) | 2022-01-14 | 2022-01-14 | Large-current microneedle module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958561U (en) |
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2022
- 2022-01-14 CN CN202220089978.XU patent/CN216958561U/en active Active
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