CN218974511U - Flexible circuit board, detection circuit structure and electronic equipment - Google Patents
Flexible circuit board, detection circuit structure and electronic equipment Download PDFInfo
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- CN218974511U CN218974511U CN202223153296.XU CN202223153296U CN218974511U CN 218974511 U CN218974511 U CN 218974511U CN 202223153296 U CN202223153296 U CN 202223153296U CN 218974511 U CN218974511 U CN 218974511U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a flexible circuit board, a detection circuit structure and electronic equipment, wherein the flexible circuit board comprises a circuit board body, and detection wires are arranged on the surface of the circuit board body; the two ends of the detection wire are respectively provided with a first detection end and a second detection end, and the detection wire is arranged along the outer contour of the circuit board body; the first detection end and the second detection end are used for being connected with an external conduction detection circuit. According to the technical scheme, the detection wire is detected by using the conduction detection circuit, if the detection wire is conducted, the flexible circuit board is free from tearing, and if the detection wire is not conducted, the flexible circuit board is free from tearing; by additionally arranging the detection lead on the flexible circuit board, the detection efficiency is improved, defective products are prevented from flowing out, and the shipment quality of products is improved; and the added detection lead is applicable to all products of flexible circuit boards, and has the advantages of higher universality and low realization cost.
Description
Technical Field
The present utility model relates to the field of circuit board production technologies, and in particular, to a flexible circuit board, a detection circuit structure, and an electronic device.
Background
Flexible circuit boards are a very common component in a variety of electronic devices. In the processing process of the flexible circuit board, the defect that the flexible circuit board is torn can occur; tearing of the flexible circuit board can directly affect the conductivity of the flexible circuit board, and further affect the functions of the product. Aiming at the detection of the tearing defective products of the flexible circuit board, a visual product appearance detection method is generally adopted, but the method has low efficiency and is easy to generate the condition of missing detection; the flexible circuit board can be detected by adopting automatic photographing detection equipment, but the flexible circuit board has higher production cost due to the high price of the detection equipment, and can not be widely applied to all production detection.
Therefore, the flexible circuit board detection scheme has the problems of low detection efficiency and high detection cost.
Disclosure of Invention
The utility model mainly aims to provide a flexible circuit board, and aims to solve the problems of low detection efficiency and high detection cost in a flexible circuit board detection scheme.
In order to achieve the above object, the flexible circuit board according to the present utility model includes:
the surface of the circuit board body is provided with a detection wire; the two ends of the detection wire are respectively provided with a first detection end and a second detection end, and the detection wire is arranged along the outer contour of the circuit board body; the first detection end and the second detection end are used for being connected with an external conduction detection circuit.
Preferably, a distance is arranged between the detection wire and the outer contour of the circuit board body, and the value range of the distance is 0.1-0.15 mm.
Preferably, the width of the detection wire ranges from 0.04 mm to 0.06mm.
Preferably, the circuit board body is provided with an electric connection part and a plurality of wires, the ends of the wires extend to the electric connection part, and the electric connection part is positioned on one side of the surface of the circuit board body.
Preferably, the first detection end includes a first detection connection point, the second detection end includes a second detection connection point, and the first detection connection point and the second detection connection point are electrically connected with the conduction detection circuit.
Preferably, the first detection connection point and the second detection connection point are both circular in shape, and the diameters of the first detection connection point and the second detection connection point are larger than the width of the detection wire.
Preferably, the first detection end comprises a first detection probe, the second detection end comprises a second detection probe, and the first detection probe and the second detection probe are used for being connected with the external conduction detection circuit; or alternatively, the first and second heat exchangers may be,
the first detection end comprises a first mark point, the second detection end comprises a second mark point, and the first mark point and the second mark point are electrically connected with the conduction detection circuit.
The utility model also provides a detection circuit structure of the flexible circuit board, which comprises the flexible circuit board and a conduction detection circuit, wherein the positive electrode of the conduction detection circuit is electrically connected with the first detection end, and the negative electrode of the conduction detection circuit is electrically connected with the second detection end.
Preferably, the detection conducting circuit comprises a circuit detection instrument.
The utility model also proposes an electronic device comprising a flexible circuit board as described above.
According to the technical scheme, the detection wire is arranged on the surface of the circuit board body, the detection wire is arranged along the outline of the circuit board body, the first detection end and the second detection end are used for being connected with an external conduction detection circuit, the detection wire is detected by the conduction detection circuit, if the detection wire is conducted, the flexible circuit board is free from tearing, and if the detection wire is not conducted, the flexible circuit board is free from tearing; by additionally arranging the detection lead on the flexible circuit board, the detection efficiency is improved, defective products are prevented from flowing out, and the shipment quality of products is improved; and the added detection lead is applicable to flexible circuit board products of all kinds and specifications, and has the advantages of higher universality and low realization cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a flexible circuit board according to the present utility model.
Fig. 2 is a schematic structural diagram of another embodiment of the flexible circuit board of the present utility model.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a schematic structural diagram of a flexible circuit board according to another embodiment of the utility model.
Fig. 5 is a partial enlarged view at B in fig. 4.
Fig. 6 is a schematic structural diagram of a flexible circuit board according to another embodiment of the utility model.
Fig. 7 is a partial enlarged view at C in fig. 6.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 1 | |
21 | First detection end |
| 11 | |
22 | |
| 2 | Detection wire |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a flexible circuit board.
Referring to fig. 1 to 7, in an embodiment of the present utility model, the flexible circuit board includes a circuit board body 1, and a detecting wire 2 is disposed on a surface of the circuit board body 1; the two ends of the detection wire 2 are respectively provided with a first detection end 21 and a second detection end 22, and the detection wire 2 is arranged along the outer contour of the circuit board body 1; the first detection terminal 21 and the second detection terminal 22 are used for connecting an external conduction detection circuit.
In the above structure, the detecting wire 2 is disposed on the surface of the circuit board body 1, and the detecting wire 2 is disposed along the outer contour of the circuit board body 1, the first detecting end 21 and the second detecting end 22 are used for connecting an external conduction detecting circuit, the detecting wire 2 is detected by using the conduction detecting circuit, if the detecting wire 2 is conducted, the flexible circuit board is not torn, and if the detecting wire 2 is not conducted, the flexible circuit board is torn; by additionally arranging the detection lead 2 on the flexible circuit board, the detection efficiency is improved, defective products are prevented from flowing out, and the shipment quality of products is improved; and the added detection lead 2 can be suitable for flexible circuit board products of all kinds and specifications, and has the advantages of higher universality and low realization cost.
Preferably, as shown in fig. 3, a space is provided between the detecting wire 2 and the outer contour of the circuit board body 1.
In the above-mentioned structure, flexible line way board need carry out the side cut processing according to the appearance demand in the course of working, if detect wire 2 along the outline setting of line way board body 1, then when flexible line way board carries out the appearance die-cut, detect wire 2 and have the risk of being punched out, consequently detect wire 2 and the outline of line way board body 1 between need set up the interval to guarantee to detect wire 2's integrality.
Preferably, the distance is in the range of 0.1-0.15 mm.
In the structure, based on the precision of the current processing procedure, the width of the interval is controlled between 0.1 and 0.15mm, so that the detection wires 2 can be prevented from being punched out when the flexible circuit board is subjected to shape punching, and meanwhile, the influence on the detection precision and sensitivity of the detection wires 2 caused by too large interval can be avoided.
Preferably, the width of the detection wire 2 is in the range of 0.04-0.06 mm.
In the above structure, the detecting wire 2 needs to be printed on the surface of the flexible circuit board through a printing process, if the width of the detecting wire 2 is too small, the detecting wire 2 is easy to break under the condition of low printing precision, and the subsequent detection is affected; if the width of the detection wire 2 is large, the detection sensitivity of the detection wire 2 is affected.
Preferably, the circuit board body 1 is provided with an electrical connection part 11 and a plurality of wires, the ends of the wires extend to the electrical connection part 11, and the electrical connection part 11 is located at one side of the surface of the circuit board body 1.
In the above structure, the circuit board body 1 is connected with an external circuit by using the electric connection part 11, so that a plurality of wires are electrified, the detection wires 2 are wound on the outer contour of the circuit board body 1 in order to avoid the influence of the detection wires 2 on the function implementation of the flexible circuit board, and the two ends of the detection wires 2 are extended to the electric connection part 11.
Preferably, as shown in fig. 3, the first detecting terminal 21 includes a first detecting connection point, and the second detecting terminal 22 includes a second detecting connection point, where the first detecting connection point and the second detecting connection point are electrically connected to the conductive detecting circuit.
In the above structure, the first detection connection point and the second detection connection point are electrically connected with the conduction detection circuit, and the conduction detection circuit is used for conducting detection on the detection wire 2; specifically, the conduction detection circuit may include a multimeter, the multimeter has a detection gear specially used for testing conduction, after the multimeter is hit the detection gear, the multimeter is respectively pointed at the first detection connection point and the second detection connection point, if the multimeter sends out an indication sound to indicate that the detection wire 2 is in a conduction state, the flexible circuit board has no tearing adverse condition; if the universal meter does not send out the indication sound, the impedance value of the detection circuit is displayed on the universal meter, and then the flexible circuit board is torn; therefore, the first detection connection point and the second detection connection point are additionally arranged, so that the effect of realizing electric connection during detection is convenient. It should be noted that the conduction detection circuit may also use other detection devices or detection circuits for detecting the conduction condition of the circuit.
Preferably, the first and second inspection connection points are circular in shape, and the diameters of the first and second inspection connection points are larger than the width of the inspection wire 2.
In the structure, the shapes of the first detection connecting point and the second detection connecting point are circular, so that the connection efficiency of the conduction detection circuit and the first detection connecting point and the second detection connecting point can be improved; for example, if the diameters of the first detection connection point and the second detection connection point are smaller, the stylus needs to be accurately aligned when being respectively pointed at the first detection connection point and the second detection connection point, which is inconvenient to operate; the diameters of the first detection connection point and the second detection connection point are larger than the width of the detection lead 2, so that the connection accuracy of the conduction detection circuit and the first detection connection point and the second detection connection point can be improved, and the detection efficiency is further improved.
Preferably, as shown in fig. 4 and 5, the first detection terminal 21 includes a first detection probe, and the second detection terminal includes a second detection probe, and the first detection probe and the second detection probe are used for connecting an external conduction detection circuit.
In the structure, the detection probe is also called a test probe, and can be applied to a test electronic element for testing a circuit board and a circuit board in electronic test; during testing, one end of the first detection probe is connected with one end of the detection lead 2, one end of the second detection probe is connected with the other end of the detection lead 2, and the other end of the first detection probe and the other end of the second detection probe are used for being connected with a detection conducting circuit.
Preferably, as shown in fig. 6 and 7, the first detecting end 21 includes a first mark point, and the second detecting end 22 includes a second mark point, where the first mark point and the second mark point are electrically connected to the conduction detecting circuit.
In the above structure, the Mark points are also referred to as Mark points, which are position Mark points of the PCB applied to the automatic chip mounter in the circuit board design, and are also referred to as datum points, the Mark points provide common and positionable circuit patterns for all steps in the assembly process, and the first Mark points and the second Mark points can be used as datum points or detection points.
According to the technical scheme, the detection wire 2 is arranged on the surface of the circuit board body 1, the detection wire 2 is arranged along the outline of the circuit board body 1, the first detection end 21 and the second detection end 22 are used for being connected with an external conduction detection circuit, the detection wire 2 is detected by the conduction detection circuit, if the detection wire 2 is conducted, the flexible circuit board is free from tearing, and if the detection wire 2 is not conducted, the flexible circuit board is free from tearing; by additionally arranging the detection lead 2 on the flexible circuit board, the detection efficiency is improved, defective products are prevented from flowing out, and the shipment quality of products is improved; and the added detection lead 2 can be suitable for the products of flexible circuit boards of all kinds and specifications, and has the advantages of higher universality and low realization cost.
The utility model also provides a detection circuit structure of the flexible circuit board, which comprises the flexible circuit board, and the specific structure of the flexible circuit board refers to the embodiment, and because the detection circuit structure of the flexible circuit board adopts all the technical schemes of all the embodiments, the detection circuit structure at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted. The detection circuit structure of the flexible circuit board further comprises a conduction detection circuit, wherein the positive electrode of the conduction detection circuit is electrically connected with the first detection end 21, and the negative electrode of the conduction detection circuit is electrically connected with the second detection end 22.
Preferably, the detection conduction circuit comprises a circuit detection instrument. The circuit detection instrument can adopt a circuit tester, a universal meter and other instruments for detecting the conduction of a circuit.
The utility model also provides an electronic device, which comprises a flexible circuit board, wherein the specific structure of the flexible circuit board refers to the embodiment, and because the electronic device adopts all the technical schemes of all the embodiments, the electronic device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A flexible circuit board, comprising:
the surface of the circuit board body is provided with a detection wire; the two ends of the detection wire are respectively provided with a first detection end and a second detection end, and the detection wire is arranged along the outer contour of the circuit board body; the first detection end and the second detection end are used for being connected with an external conduction detection circuit.
2. The flexible circuit board of claim 1 wherein a space is provided between the sensing wire and an outer contour of the circuit board body; the value range of the interval is 0.1-0.15 mm.
3. The flexible circuit board of claim 2 wherein the width of the sensing wire is in the range of 0.04 to 0.06mm.
4. The flexible circuit board of claim 1 wherein said circuit board body is provided with an electrical connection and a plurality of wires, the ends of said wires extending to said electrical connection, said electrical connection being located on a side of a surface of said circuit board body.
5. The flexible circuit board of any of claims 1-4, wherein the first sensing terminal comprises a first sensing connection point and the second sensing terminal comprises a second sensing connection point, the first and second sensing connection points being for electrical connection with the conductive sensing circuit.
6. The flexible circuit board of claim 5 wherein the first test connection point and the second test connection point are each circular in shape, and wherein the first test connection point and the second test connection point have diameters greater than the width of the test wire.
7. The flexible circuit board of any of claims 1-4, wherein the first detection end comprises a first detection probe and the second detection comprises a second detection probe, the first detection probe and the second detection probe being configured to connect to the external conduction detection circuit; or alternatively, the first and second heat exchangers may be,
the first detection end comprises a first mark point, the second detection end comprises a second mark point, and the first mark point and the second mark point are electrically connected with the conduction detection circuit.
8. A detection circuit structure of a flexible circuit board, comprising the flexible circuit board according to any one of claims 1 to 7, and further comprising a conduction detection circuit, wherein an anode of the conduction detection circuit is electrically connected to the first detection end, and a cathode of the conduction detection circuit is electrically connected to the second detection end.
9. The flexible circuit board inspection circuit structure of claim 8 wherein said inspection continuity circuit comprises a circuit inspection instrument.
10. An electronic device comprising the flexible circuit board according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223153296.XU CN218974511U (en) | 2022-11-25 | 2022-11-25 | Flexible circuit board, detection circuit structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223153296.XU CN218974511U (en) | 2022-11-25 | 2022-11-25 | Flexible circuit board, detection circuit structure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218974511U true CN218974511U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223153296.XU Active CN218974511U (en) | 2022-11-25 | 2022-11-25 | Flexible circuit board, detection circuit structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218974511U (en) |
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2022
- 2022-11-25 CN CN202223153296.XU patent/CN218974511U/en active Active
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