Flexible circuit board with air channel provided with storage bag

Abstract

The utility model discloses a flexible circuit board with air channels provided with storage bags, upper layer waterproof glue is provided with an upper layer first storage bag, and lower layer waterproof glue is provided with a lower layer first storage bag. According to the utility model, the storage bag is arranged at the air passage, when a salt spray test or a waterproof test is carried out on a product, liquid enters from one end of the air passage, and part of the liquid enters the storage bag for temporary storage and then enters the product through the air passage, so that the time for the liquid to enter the product is prolonged, and the waterproof performance of the product is improved; moreover, by arranging the storage bag at the air passage, when the product is in a humid environment, external moisture can enter through one end of the air passage, is shunted at the place with the storage bag and finally enters the product through the air passage, so that the time for the moisture to enter the product is prolonged, and the moisture-proof performance of the product is improved; moreover, the design of the storage bag effectively increases the space volume of the circuit board, thereby improving the stability of the Keyin force.

Description

TECHNICAL FIELD

[0001] The utility model relates to flexible circuit board technical field, especially in a kind of air passage has the flexible circuit board of storage capsule. BACKGROUND

[0002] Flexible circuit board is mainly applied to household appliance button, computer button and the device field of various button functions, it is through printing conductive silver paste, insulating UV, carbon, waterproof glue etc. on PET to realize electrical function.

[0003] The flexible circuit board of prior art is mainly composed of eleven parts of upper layer PET, upper layer circuit, upper layer insulating UV, upper layer jumper, upper layer waterproof glue, middle layer PET, lower layer waterproof glue, lower layer jumper, lower layer insulating UV, lower layer circuit, lower layer PET. Among them, upper layer PET, upper layer circuit, upper layer insulating UV, upper layer jumper, upper layer waterproof glue combination forms upper line, lower layer waterproof glue, lower layer jumper, lower layer insulating UV, lower layer circuit, lower layer PET combination forms lower line;Usually flexible circuit board production process is to carry out conventional process combination to upper line, carries out conventional process combination to lower line and carries out film protection to the output end of lower layer circuit, finally combines upper line, middle layer PET, lower line, to reach the overall combination of flexible circuit board.

[0004] The flexible circuit board of above structure is waterproof and moisture-proof by printing waterproof glue on upper and lower layers, and upper layer waterproof glue and lower layer waterproof glue both need to be designed air passage to achieve button device exhaust function. At present, this conventional process is exhausted by setting air passage, but when carrying out salt spray test, waterproof test or in humid environment, liquid or moisture can enter the product interior through air passage, thereby causing product to appear bad. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of structure's air passage has the flexible circuit board of storage capsule, including by upper layer PET, upper layer circuit, upper layer insulating UV, upper layer jumper, upper layer waterproof glue, middle layer PET, lower layer waterproof glue, lower layer jumper, lower layer insulating UV, lower layer circuit and lower layer PET sequentially arranged from top to bottom;

[0006] Among them, the upper layer circuit, upper layer insulating UV, upper layer jumper and upper layer waterproof glue are printed on the upper layer PET in sequence;

[0007] Among them, the lower layer circuit, lower layer insulating UV, lower layer jumper and lower layer waterproof glue are printed on the lower layer PET in sequence;

[0008] The upper layer waterproof glue is provided with upper layer first air passage, the air outlet end of the upper layer first air passage is provided with the upper layer first air passage hole in communication, and the upper layer first air passage is provided with the upper layer first storage capsule in communication in correspondence.

[0009] The lower waterproof adhesive is provided with a lower first air duct, an air inlet end of the lower first air duct is provided with a communicating lower first air duct hole, and the lower first air duct is correspondingly provided with a communicating lower first storage bag;

[0010] The middle layer PET is provided with a first air duct connecting hole for the upper and lower communication of the upper first air duct hole and the lower first air duct hole.

[0011] Further, the upper waterproof adhesive is further provided with an upper second air duct, an air outlet end of the upper second air duct is provided with a communicating upper second air duct hole, and the upper second air duct is correspondingly provided with a communicating upper second storage bag;

[0012] The lower waterproof adhesive is further provided with a lower second air duct, an air inlet end of the lower second air duct is provided with a communicating lower second air duct hole, and the lower second air duct is correspondingly provided with a communicating lower second storage bag;

[0013] The middle layer PET is further provided with a second air duct connecting hole for the upper and lower communication of the upper second air duct hole and the lower second air duct hole.

[0014] The utility model also provides another structure's air duct has the flexible circuit board of storage bag, including by upper and lower setting successively upper layer PET, upper layer circuit, upper layer insulation UV, upper layer jumper, upper layer waterproof adhesive, middle layer PET, lower waterproof adhesive, lower jumper, lower insulation UV, lower circuit and lower layer PET;

[0015] Among them, upper layer circuit, upper layer insulation UV, upper layer jumper and upper layer waterproof adhesive are printed on the upper layer PET in sequence;

[0016] Among them, lower circuit, lower insulation UV, lower jumper and lower waterproof adhesive are printed on the lower layer PET in sequence;

[0017] The upper waterproof adhesive is provided with an upper first air duct, an air outlet end of the upper first air duct is provided with a communicating upper first air duct hole, and the upper first air duct is correspondingly provided with a communicating upper first storage bag;

[0018] The lower waterproof adhesive is provided with a lower first air duct, an air inlet end of the lower first air duct is provided with a communicating lower first air duct hole, and the lower waterproof adhesive is further provided with a lower first storage bag which is in upper and lower communication with the upper first storage bag;

[0019] The middle PET layer has a first airway connection hole for vertical communication between the upper first airway hole and the lower first airway hole, and the middle PET layer also has a first storage sac connection hole for vertical communication between the upper first storage sac and the lower first storage sac.

[0020] Furthermore, the upper waterproof adhesive is also provided with an upper second air channel, the air outlet of the upper second air channel is provided with a communicating upper second air channel hole, and the upper second air channel is correspondingly provided with a communicating upper second storage bladder.

[0021] The lower waterproof adhesive is also provided with a lower second air channel, the air inlet end of the lower second air channel is provided with a communicating lower second air channel hole, and the lower waterproof adhesive is also provided with a lower second storage bladder that is communicating vertically with the upper second storage bladder.

[0022] The middle PET layer is also provided with a second airway connection hole for vertical communication between the upper second airway hole and the lower second airway hole, and the middle PET layer is also provided with a second storage sac connection hole for vertical communication between the upper second storage sac and the lower second storage sac.

[0023] Through the above technical solution, this utility model has the following beneficial effects:

[0024] By incorporating a storage bladder at the air duct, when the product undergoes salt spray or waterproof testing, liquid enters through one end of the air duct, with some of it temporarily stored in the storage bladder before entering the product through the air duct. This extends the time it takes for liquid to enter the product, improving its waterproof performance. Furthermore, by using a storage bladder at the air duct, when the product is in a humid environment, external moisture enters through one end of the air duct, is diverted at the storage bladder, and finally enters the product through the air duct, extending the time it takes for moisture to enter the product and improving its moisture resistance. Additionally, the storage bladder design effectively increases the circuit board's volume, thereby increasing the stability of the keying force (conduction). Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly described below.

[0026] Figure 1 This is an exploded view of the flexible circuit board disclosed in this utility model.

[0027] Figure 2 for Figure 1 The schematic diagram of the upper waterproof adhesive structure shown in the figure (Example 1);

[0028] Figure 3 for Figure 2Enlarged structural schematic view of middle A part;

[0029] Figure 4 As Figure 2 Enlarged structural schematic view of middle B part;

[0030] Figure 5 As Figure 1 Main view structural schematic view of lower waterproof adhesive shown in middle (embodiment 1);

[0031] Figure 6 As Figure 5 Enlarged structural schematic view of middle C part;

[0032] Figure 7 As Figure 5 Enlarged structural schematic view of middle D part;

[0033] Figure 8 It is first air passage part cross section schematic view of flexible circuit board of the utility model;

[0034] Figure 9 It is second air passage part cross section schematic view of flexible circuit board of the utility model;

[0035] Figure 10 It is first storage capsule part cross section schematic view of flexible circuit board of the utility model;

[0036] Figure 11 It is second storage capsule part cross section schematic view of flexible circuit board of the utility model;

[0037] Figure 12 As Figure 1 Main view structural schematic view of upper waterproof adhesive shown in middle (embodiment 2);

[0038] Figure 13 As Figure 12 Enlarged structural schematic view of middle E part;

[0039] Figure 14 As Figure 12 Enlarged structural schematic view of middle F part;

[0040] Figure 15 As Figure 1 Main view structural schematic view of lower waterproof adhesive shown in middle (embodiment 2);

[0041] Figure 16 As Figure 15 Enlarged structural schematic view of middle J part;

[0042] Figure 17 As Figure 15 Enlarged structural schematic view of middle K part;

[0043] Figure 18The utility model discloses flexible circuit board first storage capsule part cross section schematic drawing (embodiment 2) for the utility model,

[0044] Figure 19 The utility model discloses flexible circuit board second storage capsule part cross section schematic drawing (embodiment 2) for the utility model.

[0045] Figure number shows: 1. upper layer PET;2. upper layer circuit;3. upper layer insulation UV;4. upper layer jumper;5. upper layer waterproof adhesive;51. upper layer first air channel;511. upper layer first air channel hole;512. upper layer first storage capsule;52. upper layer second air channel;521. upper layer second air channel hole;522. upper layer second storage capsule;6. middle layer PET;611. first air channel connecting hole;612. first storage capsule connecting hole;621. second air channel connecting hole;622. second storage capsule connecting hole;7. lower layer waterproof adhesive;71. lower layer first air channel;711. lower layer first air channel hole;712. lower layer first storage capsule;72. lower layer second air channel;721. lower layer second air channel hole;722. lower layer second storage capsule;8. lower layer jumper;9. lower layer insulation UV;10. lower layer circuit;11. lower layer PET. DETAILED DESCRIPTION

[0046] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0047] Embodiment 1:

[0048] Reference Figures 1-11 The embodiment 1 provides a flexible circuit board with air channel and storage capsule, which comprises upper layer PET 1, upper layer circuit 2, upper layer insulation UV 3, upper layer jumper 4, upper layer waterproof adhesive 5, middle layer PET 6, lower layer waterproof adhesive 7, lower layer jumper 8, lower layer insulation UV 9, lower layer circuit 10 and lower layer PET 11 arranged in sequence from top to bottom;

[0049] Among them, upper layer circuit 2, upper layer insulation UV 3, upper layer jumper 4 and upper layer waterproof adhesive 5 are printed on upper layer PET 1 in sequence;Lower layer circuit 10, lower layer insulation UV 9, lower layer jumper 8 and lower layer waterproof adhesive 7 are printed on lower layer PET 11 in sequence;

[0050] The upper waterproof adhesive 5 is provided with an upper first air duct 51, the upper first air duct 51 is provided with a communicating upper first air duct hole 511 at the air outlet end, and the upper first air duct 51 is correspondingly provided with a communicating upper first storage bag 512; the lower waterproof adhesive 7 is provided with a lower first air duct 71, the lower first air duct 71 is provided with a communicating lower first air duct hole 711 at the air inlet end, and the lower first air duct 71 is correspondingly provided with a communicating lower first storage bag 712; the middle layer PET 6 is provided with a first air duct connecting hole 611 for the upper first air duct hole 511 and the lower first air duct hole 711 to communicate with each other in the up-down direction;

[0051] The upper waterproof adhesive 5 is provided with an upper first air duct 51, the upper first air duct 51 is provided with a communicating upper first air duct hole 511 at the air outlet end, and the upper first air duct 51 is correspondingly provided with a communicating upper first storage bag 512; the lower waterproof adhesive 7 is provided with a lower first air duct 71, the lower first air duct 71 is provided with a communicating lower first air duct hole 711 at the air inlet end, and the lower first air duct 71 is correspondingly provided with a communicating lower first storage bag 712; the middle layer PET 6 is provided with a first air duct connecting hole 611 for the upper first air duct hole 511 and the lower first air duct hole 711 to communicate with each other in the up-down direction;

[0052] The upper waterproof adhesive 5 is provided with an upper first air duct 51, the upper first air duct 51 is provided with a communicating upper first air duct hole 511 at the air outlet end, and the upper first air duct 51 is correspondingly provided with a communicating upper first storage bag 512; the lower waterproof adhesive 7 is provided with a lower first air duct 71, the lower first air duct 71 is provided with a communicating lower first air duct hole 711 at the air inlet end, and the lower first air duct 71 is correspondingly provided with a communicating lower first storage bag 712; the middle layer PET 6 is provided with a first air duct connecting hole 611 for the upper first air duct hole 511 and the lower first air duct hole 711 to communicate with each other in the up-down direction;

[0053] Embodiment 2:

[0054] Based on Embodiment 1 and referring to Figures 12-19 , the flexible circuit board with the air duct and the storage bag provided in Embodiment 2 is different from Embodiment 1 in that:

[0055] The lower waterproof adhesive 7 is further provided with a lower first storage bag 712 in communication with the upper first storage bag 512 in the up-down direction, and the middle layer PET 6 is further provided with a first storage bag connecting hole 612 for the upper first storage bag 512 and the lower first storage bag 712 to communicate with each other in the up-down direction, that is, the lower first storage bag 712 does not communicate with the lower first air duct 71, but communicates with the upper first storage bag 512 in the up-down direction;

[0056] Moreover, the lower waterproof adhesive 7 is further provided with a lower second storage bag 722 which is in communication with the upper second storage bag 522, and the middle PET 6 is further provided with a second storage bag connecting hole 622 which is used for the communication between the upper second storage bag and the lower second storage bag 722, that is, the lower second storage bag 722 is not in communication with the lower second air duct 72, but in communication with the upper second storage bag 522.

[0057] The embodiment 2 further increases the storage volume of the storage bag by opening the storage bag connecting hole on the middle PET 6, so that the upper and lower storage bags are communicated through the storage bag connecting hole, thereby further improving the waterproof performance and moisture-proof performance of the product.

[0058] The above description of disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to the above-described embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An airway flexible circuit board with storage bag, comprising upper layer PET (1), upper layer circuit (2), upper layer insulation UV (3), upper layer jumper (4), upper layer waterproof glue (5), middle layer PET (6), lower layer waterproof glue (7), lower layer jumper (8), lower layer insulation UV (9), lower layer circuit (10) and lower layer PET (11) arranged in turn from top to bottom. wherein The upper layer circuit (2), upper layer insulation UV (3), upper layer jumper (4) and upper layer waterproof glue (5) are printed on the upper layer PET (1) in turn. Wherein, the lower layer circuit (10), lower layer insulation UV (9), lower layer jumper (8) and lower layer waterproof glue (7) are printed on the lower layer PET (11) in turn. Characterized in that: The upper layer waterproof glue (5) is provided with an upper layer first airway (51), the air outlet end of the upper layer first airway (51) is provided with a communicating upper layer first airway hole (511), and the upper layer first airway (51) is correspondingly provided with a communicating upper layer first storage bag (512); The lower layer waterproof glue (7) is provided with a lower layer first airway (71), the air inlet end of the lower layer first airway (71) is provided with a communicating lower layer first airway hole (711), and the lower layer first airway (71) is correspondingly provided with a communicating lower layer first storage bag (712); The middle layer PET (6) is provided with a first airway connecting hole (611) for the upper layer first airway hole (511) and the lower layer first airway hole (711) to communicate with each other.

2. The flexible circuit board with a gasway storage pocket according to claim 1, wherein, The upper layer waterproof glue (5) is also provided with an upper layer second airway (52), the air outlet end of the upper layer second airway (52) is provided with a communicating upper layer second airway hole (521), and the upper layer second airway (52) is correspondingly provided with a communicating upper layer second storage bag (522); The lower layer waterproof glue (7) is also provided with a lower layer second airway (72), the air inlet end of the lower layer second airway (72) is provided with a communicating lower layer second airway hole (721), and the lower layer second airway (72) is correspondingly provided with a communicating lower layer second storage bag (722); The middle layer PET (6) is also provided with a second airway connecting hole (621) for the upper layer second airway hole (521) and the lower layer second airway hole (721) to communicate with each other.

3. An airway flexible circuit board with storage bag, comprising upper layer PET (1), upper layer circuit (2), upper layer insulation UV (3), upper layer jumper (4), upper layer waterproof glue (5), middle layer PET (6), lower layer waterproof glue (7), lower layer jumper (8), lower layer insulation UV (9), lower layer circuit (10) and lower layer PET (11) arranged in turn from top to bottom. wherein, The upper layer circuit (2), upper layer insulation UV (3), upper layer jumper (4) and upper layer waterproof glue (5) are printed on the upper layer PET (1) in turn. Wherein, the lower layer circuit (10), lower layer insulation UV (9), lower layer jumper (8) and lower layer waterproof glue (7) are printed on the lower layer PET (11) in turn. Characterized in that: The upper waterproof adhesive (5) is provided with an upper first air duct (51), the air outlet end of the upper first air duct (51) is provided with a communicating upper first air duct hole (511), and the upper first air duct (51) is correspondingly provided with a communicating upper first storage bag (512); The lower waterproof adhesive (7) is provided with a lower first air duct (71), the air inlet end of the lower first air duct (71) is provided with a communicating lower first air duct hole (711), and the lower waterproof adhesive (7) is further provided with a lower first storage bag (712) which is in communication with the upper first storage bag (512) in the up-down direction; The middle layer PET (6) is provided with a first air duct connecting hole (611) for the upper first air duct hole (511) and the lower first air duct hole (711) to communicate in the up-down direction, and is further provided with a first storage bag connecting hole (612) for the upper first storage bag (512) and the lower first storage bag (712) to communicate in the up-down direction.

4. The flexible circuit board with a gasway storage pocket of claim 3, wherein, The upper waterproof adhesive (5) is further provided with an upper second air duct (52), the air outlet end of the upper second air duct (52) is provided with a communicating upper second air duct hole (521), and the upper second air duct (52) is correspondingly provided with a communicating upper second storage bag (522); The lower waterproof adhesive (7) is further provided with a lower second air duct (72), the air inlet end of the lower second air duct (72) is provided with a communicating lower second air duct hole (721), and the lower waterproof adhesive (7) is further provided with a lower second storage bag (722) which is in communication with the upper second storage bag (522) in the up-down direction; The middle layer PET (6) is further provided with a second air duct connecting hole (621) for the upper second air duct hole (521) and the lower second air duct hole (721) to communicate in the up-down direction, and is further provided with a second storage bag connecting hole (622) for the upper second storage bag (522) and the lower second storage bag (722) to communicate in the up-down direction.

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