CN111122072B - A wearable product waterproof function detection device and detection method - Google Patents
A wearable product waterproof function detection device and detection method Download PDFInfo
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- CN111122072B CN111122072B CN202010088741.5A CN202010088741A CN111122072B CN 111122072 B CN111122072 B CN 111122072B CN 202010088741 A CN202010088741 A CN 202010088741A CN 111122072 B CN111122072 B CN 111122072B
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims abstract 11
- 238000007789 sealing Methods 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000006870 function Effects 0.000 description 26
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
本发明公开了一种穿戴产品防水功能检测装置及检测方法，检测装置包括上夹具、下夹具、封堵装置、第一管路、第二管路以及第三管路，上夹具安装于下夹具的上侧，上夹具和下夹具之间形成封闭的容置空间，穿戴产品安装于容置空间内，封堵装置用于伸入容置空间封堵第一侧，镜头位于第一侧和封堵装置形成的封堵腔中；第一管路的一端与容置空间相连通，第一管路的另一端伸出容置空间形成第一端口；第二管路的一端通过开口与穿戴产品的腔室相连通，第二管路的另一端伸出穿戴产品的腔室形成第二端口；第三管路的一端伸入封堵腔中，第三管路的另一端伸出封堵腔形成第三端口。本发明可以通过内部加压和外部加压方式实现防水功能测试，准确度高。
The present invention discloses a waterproof function detection device and detection method for wearable products. The detection device includes an upper clamp, a lower clamp, a blocking device, a first pipeline, a second pipeline and a third pipeline. The upper clamp is installed on the upper side of the lower clamp, and a closed accommodating space is formed between the upper clamp and the lower clamp. The wearable product is installed in the accommodating space. The blocking device is used to extend into the accommodating space to block the first side. The lens is located in the blocking cavity formed by the first side and the blocking device; one end of the first pipeline is connected to the accommodating space, and the other end of the first pipeline extends out of the accommodating space to form a first port; one end of the second pipeline is connected to the chamber of the wearable product through an opening, and the other end of the second pipeline extends out of the chamber of the wearable product to form a second port; one end of the third pipeline extends into the blocking cavity, and the other end of the third pipeline extends out of the blocking cavity to form a third port. The present invention can realize waterproof function testing by internal pressurization and external pressurization, with high accuracy.
Description
Technical Field
The invention relates to the technical field of nondestructive testing, in particular to a device and a method for detecting a waterproof function of a wearable product.
Background
A wearable item, i.e., a wearable device, is a portable device that may be worn directly on the body or integrated into a user's clothing or accessories. The wearing product is not only a hardware device, but also realizes a powerful function through software support, data interaction and cloud interaction, and can bring great transition to our life and perception.
Wearing the product generally includes display screen and camera lens (or refer to as the lens), and display screen and camera lens are the adhesion and fix on wearing the casing of product, and it can directly influence wearing the waterproof grade of product, consequently, need detect wearing the waterproof function of product in order to judge whether it can reach corresponding waterproof grade. The display screen generally covers the whole upper end face of the wearing product, and the adhesive part of the display screen cannot be sealed effectively alone due to the appearance design of the product, so that direct test cannot be performed, but the process is required to be able to detect whether leakage exists at the screen, the existing waterproof function detection structure only can detect whether the whole product leaks, and whether the adhesive part of the display screen leaks or the lens leaks cannot be judged, so that targeted repair or adjustment of production process and the like cannot be performed.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a waterproof function detection device for a wearable product, which has a simple structure, can realize waterproof function test in an internal pressurizing and external pressurizing mode, and has high accuracy.
One of the purposes of the invention is realized by adopting the following technical scheme:
The waterproof function detection device for the wearable product comprises a shell, a display screen and a lens, wherein the display screen is arranged at the upper end of the shell, an opening is formed in the lower end of the shell, the lens is arranged at the first side of the shell, the detection device comprises an upper clamp, a lower clamp, a plugging device, a first pipeline, a second pipeline and a third pipeline, the upper clamp is arranged at the upper side of the lower clamp, a closed accommodating space is formed between the upper clamp and the lower clamp, the wearable product is arranged in the accommodating space, the plugging device is used for extending into the accommodating space to plug the first side, the lens is located in a plugging cavity formed by the first side and the plugging device, one end of the first pipeline is communicated with the accommodating space, the other end of the first pipeline extends out of the accommodating space to form a first port, one end of the second pipeline is communicated with a cavity of the wearable product through the opening, the other end of the second pipeline extends out of the cavity of the wearable product to form a second port, and one end of the third pipeline extends into the cavity to form a third plugging port.
Further, the upper clamp comprises an upper clamp body and an annular body, wherein the annular body is positioned at the lower side of the upper clamp body, the upper clamp body is fixedly connected with the annular body or integrally formed with the annular body, the lower end part of the annular body is arranged at the upper side of the lower clamp, and the accommodating space is formed between the annular body and the lower clamp.
Further, the annular body and the lower clamp are sealed through a first sealing ring.
Further, the lower clamp comprises a lower clamp body and a supporting block positioned on the upper side of the lower clamp body, the lower clamp body is fixedly connected with the supporting block or integrally formed, the supporting block stretches into the accommodating space, and the lower end of the wearing product is supported by the supporting block.
Further, the lower clamp is of a hollow structure, the upper end of the hollow structure extends to the upper end face of the supporting block, a sealing piece is arranged at the lower end of the wearing product, the sealing piece and the wearing product form a sealing cavity, one end of the first pipeline penetrates through the hollow structure to be communicated with the accommodating space, the first port is located on the outer side of the lower clamp, one end of the second pipeline penetrates through the hollow structure and the sealing piece to be communicated with the sealing cavity, and the second port is located on the outer side of the lower clamp.
Further, the sealing element is sealed with the lower end of the shell through a second sealing ring.
Further, the lower end of the upper clamp body is fixedly connected or integrally formed with a pressing piece, the pressing piece is located in the annular body and used for pressing the upper end of the shell, and the display screen is located in a connecting cavity formed by the pressing piece and the shell.
Further, one end of the first pipeline is communicated with the accommodating space or/and the connecting cavity.
Further, the detection device further comprises an extrusion device, the extrusion device comprises a fixing piece and an extrusion piece, the fixing piece is fixedly arranged at the lower end of the upper clamp body, a guide hole is formed in the fixing piece, one end of the plugging device penetrates through the annular body to plug the first side, and the extrusion piece stretches into the guide hole to be used for extruding the other end of the plugging device.
The second purpose of the invention is to provide a waterproof function detection method for a wearable product, which can realize waterproof function test in an internal pressurization mode and an external pressurization mode, and has high accuracy.
The second purpose of the invention is realized by adopting the following technical scheme:
The invention relates to a waterproof function detection method of a wearing product, which adopts the waterproof function detection device of the wearing product to realize waterproof detection of the wearing product, and comprises the following steps:
An internal pressurization for detecting whether the wearing product has outward leakage, the detection of the internal pressurization comprising the steps of:
The first port is communicated with the external atmosphere, the second port is connected with a first leak detector to detect the pressure drop, and the third port is connected with a second leak detector to detect the pressure rise;
Judging a test result by comparing the pressure drop value of the first leakage detector, wherein when the pressure drop value is smaller than or equal to a first preset leakage value, the wearing product meets a first condition, otherwise, the pressure drop value of the first leakage detector and the pressure rise value of the second leakage detector are compared, if the difference between the pressure drop value of the first leakage detector and the pressure rise value of the second leakage detector is within a first preset range, the first leakage exists;
and (3) externally pressurizing to detect whether the wearing product leaks air inwards or not, wherein the detection of the externally pressurizing comprises the following steps:
The opening of the wearing product is sealed through the sealing piece, the first side where the lens is positioned is not sealed, the second port is communicated with the outside atmosphere, and the first port is connected with a third leak detector to detect pressure drop;
If the pressure drop value tested by the third leak detector is smaller than a second preset threshold, the product meets a second condition, otherwise, the pressure drop value tested by the third leak detector is recorded, the first side is sealed by a plugging device independently, a fourth leak detector is connected to detect the pressure drop at the third port, if the difference between the pressure drop value tested by the fourth leak detector and the pressure drop value tested by the third leak detector is within a second preset range, fourth leakage exists, if the pressure drop value tested by the fourth leak detector is smaller than the second preset value, fifth leakage exists, and if the pressure drop value tested by the fourth leak detector is between 40% of the pressure drop value tested by the third leak detector and 60% of the pressure drop value tested by the third leak detector, sixth leakage exists;
When the first condition and the second condition are met at the same time, the wearing product is qualified, when the first leakage and the fourth leakage exist at the same time, the lens is leaked, the display screen is not leaked, when the second leakage and the fifth leakage exist at the same time, the display screen is leaked, the lens is not leaked, and when the third leakage and the sixth leakage exist at the same time, the first leakage and the lens are leaked.
Compared with the prior art, the waterproof function detection device and method for the wearing product have the advantages that the waterproof function of the wearing product is detected in a comprehensive internal pressurizing and external pressurizing mode, judgment is accurate, meanwhile, the waterproof function detection device and method for the wearing product are simple in structure, low in cost and convenient to popularize.
Drawings
Fig. 1 is a structural diagram of a waterproof function detection device for a wearable product according to an embodiment of the present invention;
FIG. 2 is a block diagram of an upper clamp according to an embodiment of the present invention;
FIG. 3 is a block diagram of a lower clamp according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a wearable product according to an embodiment of the present invention.
In the figure, 10, an upper clamp, 11, an upper clamp body, 12, an annular body, 13, a pressing piece, 14, a fixing piece, 15, an extrusion piece, 20, a lower clamp, 21, a lower clamp body, 22, a supporting block, 221, a perforation, 30, a wearing product, 31, a shell, 32, a display screen, a lens, 34, an opening, 40, a plugging device, 50, a first pipeline, 51, a first port, 60, a second pipeline, 61, a second port, 70, a third pipeline, 80 and a sealing piece.
Description of the preferred embodiments
The present invention will be further described with reference to the accompanying drawings and detailed description of embodiments, wherein it is to be understood that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below. Materials and equipment used in this example are commercially available, except as specifically noted.
Examples:
Referring to fig. 4, the wearable product 30 mainly includes a housing 31, a display 32 and a lens 33, the display 32 is mounted on an upper end of the housing 31, an opening 34 is provided on a lower end of the housing 31, the lens 33 is mounted on a first side of the housing 31, the first side is not limited, and generally refers to a side portion of the housing 31, or may be a portion of the display 32 or a lower end of the housing 31, and the display 32 and the lens 33 are both fixed on the housing 31 through adhesion. Of course, the casing 31 of the wearable product 30 may further include a corresponding circuit board and a sensor, where the waterproof function of the wearable product 30 is tested when the casing 31 is internally hollow, and mainly tests whether there is a leakage at the display screen 32 and the lens 33.
Because there are usually multiple adhesive parts on the wearing product at the same time, the adhesive parts of the display screen 32 cannot be sealed effectively alone due to the design of the product, and thus direct test cannot be performed, but the process is required to be able to detect whether leakage exists at the screen.
In order to solve these problems, we propose an indirect testing device, please refer to fig. 1, which is a device for detecting waterproof function of a wearable product, comprising an upper fixture 10, a lower fixture 20, a plugging device 40, a first pipeline 50, a second pipeline 60 and a third pipeline 70.
The upper clamp 10 is installed on the upper side of the lower clamp 20, the upper clamp 10 and the lower clamp 20 can be fixedly connected through threaded connection and the like or tightly press the upper clamp 10 and the lower clamp 20 through a pressing mechanism in an up-down forced mode, meanwhile, the upper clamp 10 and the lower clamp 20 are sealed through a first sealing ring, a closed accommodating space is formed between the upper clamp 10 and the lower clamp 20, and the wearing product 30 is installed in the accommodating space.
The plugging device 40 is used for plugging the first side by extending into the accommodating space, the lens 33 is located in the plugging cavity formed by the first side and the plugging device 40, one end of the first pipeline 50 is communicated with the accommodating space, the other end of the first pipeline 50 extends out of the accommodating space to form a first port 51 (i.e. a port), one end of the second pipeline 60 is communicated with the cavity of the wearing product 30 through the opening 34, the other end of the second pipeline 60 extends out of the cavity of the wearing product 30 to form a second port 61 (i.e. a port B), one end of the third pipeline 70 extends into the plugging cavity, and the other end of the third pipeline 70 extends out of the plugging cavity to form a third port (i.e. a port C). The three ports are used for connecting a leak detector or communicating with the atmosphere to realize an internal pressurization or an external pressurization mode to detect whether leakage exists at the display screen 32 and the lens 33 of the wearing product 30. In order to achieve a sealing effect, a sealing ring is arranged between the plugging device 40 and the annular body 12 for sealing the receiving space.
Referring to fig. 2, the upper fixture 10 includes an upper fixture body 11 and an annular body 12, the annular body 12 is located at a lower side of the upper fixture body 11, the upper fixture body 11 is fixedly connected with the annular body 12 or integrally formed, a lower end portion of the annular body 12 is mounted at an upper side of the lower fixture 20, and a receiving space is formed between the annular body 12 and the lower fixture 20. To achieve the sealing effect, the ring body 12 and the lower clamp 20 are sealed by a first sealing ring.
The upper clamp 10 is further provided with an extrusion device in a matching manner, the extrusion device comprises a fixing piece 14 and an extrusion piece 15, the fixing piece 14 is fixedly arranged at the lower end of the upper clamp body 11, a guide hole is formed in the fixing piece 14, one end of the plugging device 40 penetrates through the annular body 12 to plug the first side, the extrusion piece 15 stretches into the guide hole to be used for extruding the other end of the plugging device 40, for example, one end of the extrusion piece 15 can be fixedly connected with the other end of the plugging device 40, the first side can be sealed or unsealed through the cooperation of the extrusion piece 15 and the plugging device 40, and of course, a limiting mechanism can be arranged on the extrusion piece 15, so that the extrusion piece 15 cannot slide when the first side is sealed.
In order to prevent the wearing product 30 from shaking due to air pressure during testing, in a preferred embodiment of the present invention, the lower end of the upper fixture body 11 is further fixedly connected or integrally formed with a pressing member 13, the pressing member 13 is located in the annular body 12 and is used for pressing the upper end of the housing 31, and the display screen 32 is located in a connecting cavity formed by the pressing member 13 and the housing 31. Although the pressing member 13 presses the housing 31, such physical pressing does not prevent the air exchange between the accommodating space (which may be considered as the area surrounded by the annular body 12, the lower clamp body 21, the support block 22, the wearing article 30, and the pressing member 13) and the connection chamber, and thus, one end of the first pipe 50 may be connected to either the accommodating space or the connection chamber, and of course, one end of the first pipe 50 may also be connected to both the accommodating space and the connection chamber.
Referring to fig. 3, the lower fixture 20 includes a lower fixture body 21 and a supporting block 22 disposed on an upper side of the lower fixture body 21, wherein the lower fixture body 21 is fixedly connected with the supporting block 22 or integrally formed, the supporting block 22 extends into the accommodating space, and a lower end of the wearing product 30 is supported by the supporting block 22.
As an embodiment, a hollow structure may be disposed inside the lower fixture 20, an upper end of the hollow structure extends to an upper end surface of the supporting block 22, the hollow structure is communicated with a chamber of the wearing product 30 through a through hole 221 disposed on the upper end surface of the supporting block 22, a sealing member 80 is disposed at a lower end of the wearing product 30, the sealing member 80 cuts off the hollow structure and the chamber of the wearing product 30, one end of the first pipeline 50 is communicated with the accommodating space through the hollow structure, the first port 51 is located at an outer side of the lower fixture 20, one end of the second pipeline 60 is communicated with the sealing chamber through the hollow structure and the sealing member 80, and the second port 61 is located at an outer side of the lower fixture 20. The hollow structure provided in the lower clamp 20 facilitates the installation of the first and second pipes 50 and 60 while also providing cost savings. In order to achieve a sealing effect, the seal 80 is sealed with the lower end of the housing 31 by a second seal ring.
The method for realizing the waterproof detection of the wearable product 30 by the waterproof function detection device for the wearable product comprises the detection of the waterproof function of internal pressurization and the detection of the waterproof function of external pressurization.
Specifically, the waterproof function detection of the internal pressurization is the internal pressurization for detecting whether the wearing product 30 has an outward leakage, which includes the steps of:
the first port 51 is communicated with the external atmosphere, the second port 61 is connected with a first leak detector to detect the pressure drop, and the third port is connected with a second leak detector to detect the pressure rise;
The test result is determined by comparing the pressure drop value of the first leakage detector test, wherein when the pressure drop value is smaller than or equal to the first preset leakage value, the wearing product 30 meets the first condition, otherwise, the pressure drop value of the first leakage detector test and the pressure rise value of the second leakage detector test are compared, if the difference between the pressure drop value of the first leakage detector test and the pressure rise value of the second leakage detector test is within a first preset range (set according to needs, in a preferred embodiment of the present invention, when the pressure drop value of the first leakage detector test is close to the pressure rise value of the second leakage detector test, namely, the first preset range is a smaller value), the first leakage exists, if the pressure rise value of the second leakage detector test is smaller than the first preset value (set according to needs, in a preferred embodiment of the present invention, the first preset value is very small, for example, 15 Pa), the second leakage exists, and if the pressure rise value of the second leakage detector test is between the first leakage detector test and the first leakage detector test is 40% of the pressure drop value of the first leakage detector test.
The waterproof test result of the wearable product 30 can be obtained by an internal pressurizing method as a judging method, namely, when the first condition is met, the wearable product 30 is qualified, when the first leakage exists, the lens 33 is leaked, the display screen 32 is not leaked, when the second leakage exists, the display screen 32 is leaked, the lens 33 is not leaked, and when the third leakage exists, the first leakage and the lens 33 are both leaked.
The waterproof function of external pressurization detects external pressurization, detects whether the wearing product 30 leaks inward, and includes the following steps:
the opening 34 of the wearing product 30 is sealed by the sealing element 80, the first side where the lens 33 is positioned is not sealed, the second port 61 is communicated with the outside atmosphere, and the first port 51 is connected with a third leak detector to detect the pressure drop;
If the third leak detector test pressure drop value is less than the second preset threshold, the product meets the second condition, otherwise the third leak detector test pressure drop value (referred to as the recorded value) is recorded and the first side is sealed by the plugging device 40 alone (if the opening 34 of the wearable product 30 is sealed and if the first and second ports 51 and 61 are connected to the atmosphere or the detector, and no attention is paid, only the relation between the fourth leak detector test pressure drop value and the recorded value needs to be compared), the fourth leak detector test pressure drop is connected to the third port, if the difference between the fourth leak detector test pressure drop value and the third leak detector test pressure drop value is within the second preset range (which may be similar to the first preset range), the fourth leak is present, if the fourth leak detector test pressure drop value is less than the second preset value (which may be similar to the first preset value), the fifth leak is present, and if the fourth leak detector test pressure drop value is between 40% of the third leak detector test pressure drop value and 60% of the third leak detector test pressure drop value is present.
The waterproof test result of the wearable product 30 can be obtained by an external pressurizing method as a judging method, namely, when the second condition is met, the wearable product 30 is qualified, when the fourth leakage exists, the lens 33 is leaked, the display screen 32 is not leaked, when the fifth leakage exists, the display screen 32 is leaked, the lens 33 is not leaked, and when the sixth leakage exists, the first leakage display screen 32 and the lens 33 are leaked.
In order to make the judgment more accurate, in the preferred embodiment of the present invention, the judgment is performed by combining the internal pressurization and the external pressurization to obtain the waterproof test result of the wearable product 30, wherein the waterproof test result is that when the first condition and the second condition are satisfied at the same time, the wearable product 30 is qualified, when the first leakage and the fourth leakage exist at the same time, the lens 33 is leaked, the display screen 32 is not leaked, when the second leakage and the fifth leakage exist at the same time, the display screen 32 is leaked, the lens 33 is not leaked, and when the third leakage and the sixth leakage exist at the same time, the first leakage display screen 32 and the lens 33 are leaked.
The invention provides a device and a method for detecting the waterproof function of a wearing product, which have the beneficial effects that compared with the prior art, the device and the method for detecting the waterproof function of the wearing product 30 are used for detecting the waterproof function of the wearing product by combining an internal pressurizing mode and an external pressurizing mode, the wearing product is wholly placed in a clamp, when the wearing product is internally pressurized, whether leakage at a display screen is indirectly measured is realized through the relation between a C-port pressure rise value or a C-port pressure rise value and a B-port pressure drop value, and when the wearing product is externally pressurized, whether leakage at the display screen is indirectly measured is realized through the relation between the C-port pressure drop value or the C-port pressure drop value and an A-port pressure drop value, so that the judging is accurate, and meanwhile, the device is simple in structure, low in cost and convenient to popularize.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (8)
1. The waterproof function detection device for the wearable product comprises a shell, a display screen and a lens, wherein the display screen is arranged at the upper end of the shell, an opening is formed at the lower end of the shell, the lens is arranged at the first side of the shell, the waterproof function detection device is characterized by comprising an upper clamp, a lower clamp, a blocking device, a first pipeline, a second pipeline and a third pipeline, wherein the upper clamp is arranged at the upper side of the lower clamp, a closed accommodating space is formed between the upper clamp and the lower clamp, the wearable product is arranged in the accommodating space, the blocking device is used for extending into the accommodating space to block the first side, the lens is positioned in a blocking cavity formed by the first side and the blocking device, one end of the first pipeline is communicated with the accommodating space, the other end of the first pipeline extends out of the accommodating space to form a first port, one end of the second pipeline is communicated with a cavity of the wearable product through the opening, the other end of the second pipeline extends out of the cavity of the wearable product to form a second port, and one end of the third pipeline extends into the accommodating cavity to form a third blocking cavity;
the upper clamp comprises an upper clamp body and an annular body, wherein the annular body is positioned at the lower side of the upper clamp body, and the upper clamp body is fixedly connected with the annular body or integrally formed with the annular body;
The lower clamp comprises a lower clamp body and a supporting block positioned on the upper side of the lower clamp body, wherein the lower clamp body is fixedly connected with the supporting block or integrally formed, the supporting block stretches into the accommodating space, and the lower end of the wearing product is supported by the supporting block.
2. The waterproof function detecting device for a wearing article according to claim 1, wherein the annular body and the lower jig are sealed by a first seal ring.
3. The waterproof function detection device for the wearable product according to claim 1, wherein the lower clamp is of a hollow structure, the upper end of the hollow structure extends to the upper end face of the supporting block, a sealing piece is arranged at the lower end of the wearable product and forms a sealing cavity with the wearable product, one end of the first pipeline is communicated with the accommodating space through the hollow structure, the first port is located on the outer side of the lower clamp, one end of the second pipeline is communicated with the sealing cavity through the hollow structure and the sealing piece, and the second port is located on the outer side of the lower clamp.
4. A waterproof function detecting device for a wearing article as defined in claim 3, wherein the seal member is sealed with the lower end of the housing by a second seal ring.
5. The waterproof function detection device for a wearable product according to any one of claims 2 to 4, wherein the lower end of the upper clamp body is further fixedly connected or integrally formed with a pressing member, the pressing member is located in the annular body and is used for pressing the upper end of the housing, and the display screen is located in a connecting cavity formed by the pressing member and the housing.
6. The waterproof function detection device for a wearable product according to claim 5, wherein one end of the first pipeline is communicated with the accommodating space or/and the connecting cavity.
7. The waterproof function detecting device for a wearable product according to any one of claims 2 to 4, further comprising an extrusion device, wherein the extrusion device comprises a fixing member and an extrusion member, the fixing member is fixedly mounted at the lower end of the upper clamp body, a guide hole is formed in the fixing member, one end of the plugging device passes through the annular body to plug the first side, and the extrusion member extends into the guide hole to extrude the other end of the plugging device.
8. A method for detecting waterproof function of a wearing product, characterized in that the waterproof function detection device for the wearing product according to any one of claims 1 to 7 is adopted to realize waterproof detection of the wearing product, and the method comprises the following steps:
an internal pressurization for detecting whether an outward leakage exists in the wearing product, the detection of the internal pressurization comprising the steps of:
The first port is communicated with the external atmosphere, the second port is connected with a first leak detector to detect the pressure drop, and the third port is connected with a second leak detector to detect the pressure rise;
Judging a test result by comparing the pressure drop value of the first leakage detector, wherein when the pressure drop value is smaller than or equal to a first preset leakage value, the wearing product meets a first condition, otherwise, the pressure drop value of the first leakage detector and the pressure rise value of the second leakage detector are compared, if the difference between the pressure drop value of the first leakage detector and the pressure rise value of the second leakage detector is within a first preset range, the first leakage exists;
External pressurization, detect wearing product existence no inward gas leakage, the detection of external pressurization includes following step:
The opening of the wearing product is sealed through the sealing piece, the first side where the lens is positioned is not sealed, the second port is communicated with the outside atmosphere, and the first port is connected with a third leak detector to detect pressure drop;
If the pressure drop value tested by the third leak detector is smaller than a second preset threshold, the product meets a second condition, otherwise, the pressure drop value tested by the third leak detector is recorded, the first side is sealed by a plugging device independently, a fourth leak detector is connected to detect the pressure drop at the third port, if the difference between the pressure drop value tested by the fourth leak detector and the pressure drop value tested by the third leak detector is within a second preset range, fourth leakage exists, if the pressure drop value tested by the fourth leak detector is smaller than the second preset value, fifth leakage exists, and if the pressure drop value tested by the fourth leak detector is between 40% of the pressure drop value tested by the third leak detector and 60% of the pressure drop value tested by the third leak detector, sixth leakage exists;
When the first condition and the second condition are met at the same time, the wearing product is qualified, when the first leakage and the fourth leakage exist at the same time, the lens is leaked, the display screen is not leaked, when the second leakage and the fifth leakage exist at the same time, the display screen is leaked, the lens is not leaked, and when the third leakage and the sixth leakage exist at the same time, the first leakage and the lens are leaked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088741.5A CN111122072B (en) | 2020-02-12 | 2020-02-12 | A wearable product waterproof function detection device and detection method |
Applications Claiming Priority (1)
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