CN217689284U - Detection apparatus for flexible circuit board - Google Patents
Detection apparatus for flexible circuit board Download PDFInfo
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- CN217689284U CN217689284U CN202220601836.7U CN202220601836U CN217689284U CN 217689284 U CN217689284 U CN 217689284U CN 202220601836 U CN202220601836 U CN 202220601836U CN 217689284 U CN217689284 U CN 217689284U
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- flexible circuit
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Abstract
The utility model relates to the technical field of induction, in particular to a detection device for a flexible circuit board, which is used for carrying out open circuit detection on a region to be detected of the flexible circuit board; further comprising: a sensing plate having a sensing portion adapted to perform open circuit detection on the region to be detected; and an electrostatic adsorption film detachably disposed on the sensing board, the electrostatic adsorption film being configured to be capable of adsorbing the flexible circuit board; the induction part protrudes out of the top surface of the induction plate, and the electrostatic adsorption film is provided with an allowance hole for the induction part to pass through; wherein, the top surface of response portion with the top surface parallel and level of electrostatic absorption membrane.
Description
Technical Field
The utility model relates to an respond to technical field, especially relate to a detection device for flexible circuit board.
Background
The flexible printed circuit board is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent flexibility, and has the characteristics of high wiring density, light weight, thin thickness and good bending property. In the production process of the flexible circuit board, the detection device is required to be used for carrying out open circuit test on the circuit of the flexible circuit board, the induction plate on the detection device is required to be tightly attached to a tested product in the open circuit test process, so that the accuracy of a test result can be ensured, and the attachment of the induction plate and the tested product is tighter, and the measurement result is more accurate.
In the production process of the flexible circuit board, the detection device is required to be used for carrying out open circuit test on the circuit of the flexible circuit board, the induction plate and a tested product are required to be tightly attached in the test process, the accuracy of the test result can be ensured, the attachment is tighter, and the measurement result is more accurate. Among the prior art, detection tool can be processed into bellied mode with its response portion for the tight laminating of product to be surveyed, and after fixed product to be surveyed, this arch can form the extrusion to the product to be surveyed and make detection tool and product closely laminate, but this kind of mode can cause the product scratch, influences the yields of product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, and provide a detection device is used in flexible circuit board detection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a detection device for a flexible circuit board is used for carrying out open circuit detection on a region to be detected of the flexible circuit board; further comprising: a sensing plate having a sensing portion adapted to perform open circuit detection on the region to be detected; and an electrostatic adsorption film detachably disposed on the sensing board, the electrostatic adsorption film being configured to be capable of adsorbing the flexible circuit board; the induction part protrudes out of the top surface of the induction plate, and the electrostatic adsorption film is provided with an allowance hole for the induction part to pass through; wherein, the top surface of response portion with the top surface parallel and level of electrostatic absorption membrane.
Preferably, the sensing part and a side gap of the yielding hole are configured to prevent the wire of the region to be measured from being broken.
Preferably, the side clearance between the induction part and the allowance hole is less than 0.5mm. .
Preferably, the sensing part is a boss formed on the sensing plate.
Preferably, the electrostatic adsorption film includes an adsorption layer, an electrode layer, and an insulating layer, which are sequentially disposed.
Preferably, the electrode layer structure further comprises a high-voltage electrostatic connector, and the high-voltage electrostatic connector is electrically connected with the electrode layer.
Preferably, the adsorption layer is configured such that a surface thereof can generate an electrostatic charge to adsorb the flexible circuit board.
Preferably, the insulating layer is attached to the top surface of the sensing plate.
Preferably, a base fixed to the induction plate is arranged below the induction plate.
Preferably, a wire slot for accommodating a signal outgoing line of the sensing part is configured on the base.
Owing to adopted above technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a have the response portion of opening a way the detection to the region of awaiting measuring of flexible circuit board on the tablet, response portion protrusion in the top surface of tablet, still liftoff electrostatic adsorption membrane that is used for adsorbing the flexible circuit board that is provided with of detachable on the tablet, be formed with the appearance that supplies convex response portion to pass on the electrostatic adsorption membrane and let the hole, because the top surface of response portion and the top surface parallel and level of electrostatic adsorption membrane, the tablet can be hugged closely under the effect of electrostatic adsorption membrane to the flexible circuit board, and protrusion in the response portion of tablet top surface can not break the wire or the scratch flexible circuit board of flexible circuit board, can effectively improve the yields of flexible circuit board.
Drawings
In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;
fig. 4 is a schematic structural diagram of a base according to a first embodiment of the present invention.
Reference numerals:
1. an induction plate; 11. a sensing part; 2. an electrostatic adsorption film; 21. a relief hole; 3. a high voltage electrostatic connector; 4. a base; 41. a wire slot.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.
The first embodiment is as follows:
referring to fig. 1 and 2, the present invention provides a detection device for a flexible circuit board, which is used for performing open circuit detection on a region to be detected of the flexible circuit board; further comprising: a sensing plate 1 having a sensing portion 11 adapted to perform open circuit detection of a region to be detected; and an electrostatic adsorption film 2 detachably provided on the induction board 1, the electrostatic adsorption film 2 being configured to be capable of adsorbing the flexible circuit board; wherein, the sensing part 11 protrudes from the top surface of the sensing plate 1, and the electrostatic adsorption film 2 is formed with an accommodating hole 21 for the sensing part 11 to pass through; wherein, the top surface of the sensing part 11 is flush with the top surface of the electrostatic adsorption film 2.
In this embodiment, be formed with the response portion 11 of its top surface of protrusion on the tablet 1, response portion 11 and tablet 1 an organic whole set up, be provided with separable electrostatic adsorption membrane 2 on the tablet 1, electrostatic adsorption membrane 2 can produce to adsorb and closely laminate with response portion 11 with the static adsorbs the flexible circuit board so that the region to be measured of flexible circuit board, the last electric capacity polar plate that is used for forming the electric capacity that detects the region to be measured of flexible circuit board that has of response portion 11, when the region to be measured hugs closely on the electric capacity polar plate, the electric capacity of response portion 11 can change, thereby detect opening a way to the region to be measured, the test result of the inseparable region to be measured that both laminated is just more accurate more.
Specifically, the electrostatic adsorption film 2 is provided with the yielding hole 21, the sensing portion 11 can pass through the yielding hole 21, as shown in fig. 3, the top surface of the sensing portion 11 is flush with the top surface of the electrostatic adsorption film 2, so that the flexible circuit board is tightly attached to the sensing portion 11 in a height difference-free manner, a lead of the flexible circuit board cannot be broken or the flexible circuit board cannot be scratched, and the yield of the flexible circuit board is effectively improved.
In this embodiment, two protruding sensing portions 11 are formed at the middle position of the sensing board 1, and the positions of the sensing portions 11 correspond to the positions of the regions to be measured on the flexible circuit board, but in another embodiment, the number of the sensing portions 11 may also be 3, 4, and the like.
The sensing part 11 and the side surface clearance of the receiving hole 21 are configured to prevent the lead of the region to be measured from being broken, when the sensing part 11 is attached to the flexible circuit board. If the gap between the sensing portion 11 and the side surface of the receiving hole 21 is relatively large, a part of the flexible printed circuit board will sink into the side surface gap, at this time, the conductive wires of the flexible printed circuit board will be easily broken, and the corners of the sensing portion 11 will also scratch the flexible printed circuit board.
The side clearance between the sensing part 11 and the accommodating hole 21 is less than 0.5mm. In this embodiment, the gap between the sensing portion 11 and the side surface of the receiving hole 21 is 0.1mm, and the lead of the region to be measured is not broken when the region to be measured is closely attached to the sensing portion 11.
The sensing portion 11 is a boss formed on the sensing plate 1. In the present embodiment, the boss is provided integrally with the induction plate 1, but in another embodiment, the boss may be provided separately from the induction plate 1.
The electrostatic adsorption film 2 comprises an adsorption layer, an electrode layer and an insulating layer which are arranged in sequence, wherein the electrode layer is clamped between the adsorption layer and the insulating layer.
The utility model discloses still include high-voltage electrostatic connector 3, high-voltage electrostatic connector 3 is connected with the electrode layer electricity, and the electrode layer is copper electrode slice or silver electrode slice, and high-voltage electrostatic connector 3 can be the power supply of electrostatic absorption membrane 2.
The adsorption layer is configured to generate electrostatic charges on a surface thereof to adsorb the flexible circuit board.
The insulating layer is bonded to the top surface of the sensor board 1, and in this embodiment, both surfaces of the insulating layer have tackiness, and one surface of the insulating layer is bonded to the electrode layer and the other surface is bonded to the sensor board 1, so that the electrostatic adsorption film 2 is bonded to the sensor board 1.
Except the open yielding hole 21, the rest part of the electrostatic adsorption film 2 can generate adsorption static electricity, so that the tested product can be tightly attached to the adsorption area, and the area to be tested and the induction part 11 can also be tightly attached and are not easy to separate. Specifically, the electrostatic adsorption film 2 has a rectangular shape.
The base 4 fixedly connected with the induction plate 1 is arranged below the induction plate 1, the base 4 is connected with the induction plate 1 through a fastener, and the base 4 can support the induction plate 1.
As shown in fig. 4, the base 4 is provided with wire grooves 41 for accommodating the signal lead wires of the sensing portion 11, specifically, the base 4 has a rectangular parallelepiped structure, the bottom thereof is provided with 6 wire grooves 41, and the signal lead wires of the sensing board 1 are accommodated in the wire grooves 41, but the number of the wire grooves 41 may be 7, 8, 9, or the like.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A detection device for a flexible circuit board is used for carrying out open circuit detection on a region to be detected of the flexible circuit board; it is characterized by also comprising:
a sensing plate having a sensing portion adapted to perform open circuit detection on the region to be detected; and
an electrostatic adsorption film detachably disposed on the sensing board, the electrostatic adsorption film being configured to be capable of adsorbing the flexible circuit board;
the induction part protrudes out of the top surface of the induction plate, and the electrostatic adsorption film is provided with an allowance hole for the induction part to pass through;
wherein, the top surface of response portion with the top surface parallel and level of electrostatic absorption membrane.
2. The testing device of claim 1, wherein the sensing portion and a side gap of the relief hole are configured to prevent a wire of the region to be tested from breaking.
3. The detecting device for detecting the rotation of a motor rotor according to claim 2, wherein the clearance between the sensing part and the side surface of the allowing hole is less than 0.5mm.
4. The detecting device according to claim 2, wherein the sensing portion is a boss formed on the sensing plate.
5. The detecting device according to claim 1, wherein the electrostatic absorption film comprises an absorption layer, an electrode layer and an insulating layer which are sequentially arranged.
6. The detection device of claim 5, further comprising a high-voltage electrostatic connector electrically connected to the electrode layer.
7. The device of claim 5, wherein the adsorption layer is configured to generate an electrostatic charge on a surface thereof to adsorb the flexible circuit board.
8. The apparatus of claim 5, wherein the insulating layer is attached to the top surface of the sensor board.
9. The detecting device for detecting the rotation of a motor rotor according to claim 1, wherein a base is fixedly connected to the lower portion of the sensing plate.
10. The detecting device for detecting the rotation of a motor rotor according to the claim 9, wherein the base is provided with a wire slot for accommodating a signal leading-out wire of the sensing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220601836.7U CN217689284U (en) | 2022-03-18 | 2022-03-18 | Detection apparatus for flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220601836.7U CN217689284U (en) | 2022-03-18 | 2022-03-18 | Detection apparatus for flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217689284U true CN217689284U (en) | 2022-10-28 |
Family
ID=83731416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220601836.7U Active CN217689284U (en) | 2022-03-18 | 2022-03-18 | Detection apparatus for flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217689284U (en) |
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2022
- 2022-03-18 CN CN202220601836.7U patent/CN217689284U/en active Active
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