CN112254886A - Method and equipment for detecting leakage point position of battery cover assembly and sealing cover - Google Patents
Method and equipment for detecting leakage point position of battery cover assembly and sealing cover Download PDFInfo
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- CN112254886A CN112254886A CN202011323902.0A CN202011323902A CN112254886A CN 112254886 A CN112254886 A CN 112254886A CN 202011323902 A CN202011323902 A CN 202011323902A CN 112254886 A CN112254886 A CN 112254886A
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- battery cover
- cover assembly
- leak
- detecting
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- G—PHYSICS
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
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- G—PHYSICS
- 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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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The embodiment of the application provides a method and equipment for detecting the position of a leakage point of a battery cover assembly and a sealing cover, wherein the method comprises the following steps: providing a sealing cover covering the possible leakage point on the first side of the battery cover component, and forming a sealing chamber between the sealing cover and the first side of the battery cover component; introducing gas into the sealed chamber; detecting the outgassing condition of the second side of the battery cover assembly so as to determine the position of a leak point of the battery cover assembly; wherein the first side and the second side are oppositely disposed. The air outlet condition of the possible leakage point of the battery cover assembly is detected to determine the specific leakage point position, so that the problem of inconvenient operation in the related technology is solved, and the detection efficiency for determining the leakage point position is effectively improved.
Description
Technical Field
The application relates to the technical field of terminal airtightness detection in general, and in particular relates to a method and equipment for detecting a leakage point position of a battery cover assembly, and a sealing cover applied to the method and equipment for detecting the leakage point position of the battery cover assembly.
Background
For a terminal with a waterproof function, such as a smart phone, a tablet computer, and the like, a battery cover assembly of the terminal itself needs to have the waterproof function. In the related art, it is often determined whether the waterproof performance of the battery cap assembly is acceptable by detecting the airtightness of the battery cap assembly.
For detecting the battery cover assembly with unqualified air tightness, as the battery cover assembly is often provided with functional modules, such as a camera module, a fingerprint module and the like, the possible leakage points exist in more positions, and the specific leakage point positions cannot be directly and quickly judged, so that great inconvenience is brought to operators, and the assembly efficiency is influenced.
Disclosure of Invention
The embodiment of the application provides a method and equipment for detecting the position of a leakage point of a battery cover assembly and a sealing cover, which can determine the specific position of the leakage point of the battery cover assembly with unqualified air tightness.
The method for detecting the position of the leakage point of the battery cover assembly comprises the following steps:
providing a sealing cover covering a potential leak point on a first side of the battery cover assembly and forming a sealed chamber between the sealing cover and the first side of the battery cover assembly;
introducing gas into the sealed cavity;
detecting the outgassing condition of the second side of the battery cover component to determine the position of a leakage point of the battery cover component; wherein the first side and the second side are oppositely disposed.
In one embodiment, detecting outgassing from a second side of the battery cap assembly comprises:
coating a leakage detection liquid on a second side of the battery cover assembly;
detecting the bubble condition of the possible leak point.
In one embodiment, detecting the bubble condition of the possible missing point includes:
and if bubbles appear at the positions of one or more possible leak points, the positions of the one or more possible leak points are the positions of the leak points.
In one embodiment, before the gas is introduced into the sealed chamber, the method further comprises:
applying pressure to a second side of the battery cap assembly.
In one embodiment, the stressed position of the second side of the battery cover assembly is staggered with the back glue on the battery cover assembly.
In one embodiment, the method further comprises:
and providing a sealing element which is arranged on the second side of the battery cover component so as to seal the position of the battery cover component attached with the waterproof breathable film.
In one embodiment, the method further comprises:
marking a leak location of the battery cap assembly.
The sealing cover provided by the embodiment of the application is applied to the detection method of the leakage point position of the battery cover assembly, and comprises a cover body and a flange, wherein the cover body is provided with a surface facing to the first side of the battery cover assembly, the flange is convexly arranged on the surface, and when the sealing cover is arranged on the possible leakage point of the battery cover assembly, the flange is clamped between the first side of the battery cover assembly and the surface.
In one embodiment, the flange is an elastic member that can be deformed by the battery cover assembly.
The battery cover assembly leak source position detection device of the embodiment of the application comprises:
the first die set comprises a first die holder and a sealing cover arranged on the first die holder, the first die holder can bear the battery cover assembly, the sealing cover can cover a possible leakage point on a first side of the battery cover assembly, and a sealing cavity is formed between the sealing cover and the first side of the battery cover assembly;
the ventilation module can introduce gas into the sealed cavity; and
and the detection module is used for detecting the air outlet condition of the second side of the battery cover component so as to determine the position of a leakage point of the battery cover component.
In one embodiment, the detection module comprises a leak detection brush and a leak detection fluid, and the leak detection brush can coat the leak detection fluid on the second side of the battery cover assembly.
In one embodiment, the battery pack further comprises a second module for pressing against the second side of the battery cover assembly.
In one embodiment, the second module comprises a second die holder and a plug arranged on the second die holder, and the plug can plug the position, attached to the waterproof and breathable film, of the battery cover assembly.
In one embodiment, the sealing cover is the sealing cover described above.
One embodiment in the above application has the following advantages or benefits:
the embodiment of the application provides a method and equipment for detecting the position of a leakage point of a battery cover assembly, which are used for determining the specific position of the leakage point by detecting the air outlet condition of each possible leakage point of the battery cover assembly, solving the problem of inconvenient operation in the related technology and effectively improving the detection efficiency for determining the position of the leakage point.
Drawings
The above and other features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a process flow chart of a method for detecting a leak point position of a battery cover assembly according to an embodiment of the present disclosure.
Fig. 2 shows a process flow diagram of step S400 in fig. 1.
Fig. 3 is a process flow diagram of a method for detecting a leak location of a battery cover assembly according to another embodiment of the present disclosure.
Fig. 4 is a process flow diagram of a method for detecting a leak location of a battery cover assembly according to another embodiment of the present disclosure.
Fig. 5 is a process flow diagram of a method for detecting a leak location of a battery cover assembly according to still another embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of a detection device for detecting a leak point position of a battery cover assembly according to an embodiment of the present application.
Fig. 7 is a schematic diagram illustrating a detection apparatus in which a battery cover assembly is disposed at a leak point of the battery cover assembly according to an embodiment of the present disclosure.
Fig. 8 is a schematic structural diagram of the sealing cap according to the embodiment of the present application.
Wherein the reference numerals are as follows:
100. a first module; 110. a first die holder; 120. a sealing cover; 121. a cover body; 1211. a surface; 1212. a vent hole; 122. a flange; 200. a second module; 300. a battery cover assembly; 301. a first side; 302. a second side; 310. a functional module; 400. a ventilation module; 500. the chamber is sealed.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
For terminals with IPX7/IPX8 grades, such as smart phones, tablet computers, etc., the battery cover assembly of the terminal needs to have a waterproof function. Generally, the battery cover assembly should be tested for airtightness in response to the waterproof requirement of the terminal. For the battery cover assembly with unqualified air tightness detection, the battery cover assembly needs to be analyzed to determine the specific leakage point position, so that the air tightness of the leakage point is improved, and the waterproof yield of the battery cover assembly is improved.
However, the battery cover assembly in the related art is generally provided with a functional module, such as a camera module, a fingerprint module, and the like. When the functional module is a camera module, the battery cover assembly can comprise a battery cover, a decorative ring, a lens and a flash lamp. Sealing is mostly realized between the battery cover and the decoration ring, between the lens and the decoration ring and between the flash lamp and the battery cover through sealing glue.
When the airtightness of the battery cover assembly is not detected properly, the battery cover assembly includes a plurality of possible leak points (e.g., between the battery cover and the decoration ring, between the lens and the decoration ring, or between the flash lamp and the battery cover), so that an operator cannot directly determine the specific leak point position.
In order to determine the specific position of the leaking point, in the related art, the operator usually determines the specific position of the leaking point by means of firstly and separately pressing the decorative ring, the lens or the flash lamp again and then performing the air tightness retest. If the battery cover assembly is still unqualified after retesting, the functional module needs to be disassembled, and then the position of the leakage point is confirmed. However, this detection method requires a large amount of labor and is inefficient for a large number of defective cell cover assemblies due to a large amount of labor. In addition, after disassembly, the operator is reluctant to handle components that have no obvious anomalies.
Based on this, the embodiment of the application provides a method and a device for detecting a position of a leakage point of a battery cover assembly, which determine a specific position of the leakage point by detecting an air outlet condition of a possible leakage point of the battery cover assembly, solve the problem of inconvenient operation in the related art, and effectively improve the detection efficiency for determining the position of the leakage point.
It should be noted that the "leak point" in the present document refers to a location where air leaks between components of the functional module disposed on the battery cover assembly and between the components and the battery cover.
It should be noted that the term "possible leak point" in this document refers to a location where there may be gas leakage between components on the battery cover assembly and between the components and the battery cover for the battery cover assembly with an unqualified gas tightness test.
As shown in fig. 1, fig. 1 is a process flow diagram of a method for detecting a leak position of a battery cover assembly according to an embodiment of the present disclosure. The method of the embodiment of the application comprises the following steps: providing a sealing cover covering the possible leakage point on the first side of the battery cover component, and forming a sealing chamber between the sealing cover and the first side of the battery cover component; introducing gas into the sealed chamber; detecting the outgassing condition of the second side of the battery cover assembly so as to determine the position of a leak point of the battery cover assembly; wherein the first side and the second side are oppositely disposed.
In step S100, a possible leak point on the first side of the battery cover assembly is sealed by the sealing cap, and a sealing chamber is formed between the sealing cap and the first side of the battery cover assembly, wherein the sealing chamber is used for subsequent gas introduction.
It should be understood that there are multiple possible leakage points on the battery cover assembly, such as between the battery cover and the decorative ring, between the lens and the decorative ring, and between the flashlight and the battery cover, etc. as described above, therefore, the sealing cover is provided to enclose all the possible leakage points in the sealing cover.
In addition, the first side of the battery cover assembly may be defined as the back surface of the battery cover, i.e., the sealing cap is disposed at the back surface of the battery cover assembly.
In one embodiment, the sealing cover may be made of a silicone material to improve the sealing property at the joint between one side of the battery cover assembly and the sealing cover, and prevent the gas in the sealing chamber from leaking out from the gap between the battery cover assembly and the sealing cover, which may affect the determination of the subsequent specific leak point position.
Of course, it is to be understood that the sealed chambers of the embodiments of the present application may be considered to be relatively sealed. Specifically, if a slight gap exists between the lid assembly and the sealing cover, and a slight amount of gas can leak out from the gap, but the leakage of the slight amount of gas does not affect the subsequent detection of the specific leak point position, the slight gap is also allowed in this case, and the sealed chamber that is not absolutely sealed is also included in the present embodiment.
In step S300, a gas may be introduced into the sealed chamber by the gas introduction module. For example, a venting module that detects the hermeticity of the battery cover assembly or the terminal integrity may be utilized.
It will be appreciated that the gas pressure introduced into the sealed chamber may be in the range 10KPa to 20 KPa.
In step S400, an outgassing condition of the second side of the battery cover assembly is detected to determine a leak location of the battery cover assembly. The battery cover assembly comprises two opposite sides, the first side of the battery cover assembly is connected with the sealing cover in a sealing mode, and the second side of the battery cover assembly is used for detecting the air outlet condition.
It will be appreciated that if one or more leak points are provided on the battery cover assembly, gases can pass from the first side to the second side of the battery cover assembly through the leak points.
As shown in fig. 2, fig. 2 is a process flow diagram of step S400 in fig. 1. Step S400 of the embodiment of the present application, detecting the outgassing condition of the second side of the battery cover assembly, includes: step S410, coating leakage detection liquid on the second side of the battery cover component; step S420, detecting the bubble condition of a possible leak point; in step S430, if bubbles appear at the positions of one or more possible missing points, the positions of the one or more possible missing points are the positions of the missing points.
In this embodiment, the second side of the battery cover assembly is coated with the leakage detection liquid, and the leakage point positions of a plurality of possible leakage points are determined by utilizing the bubbling characteristic of the leakage detection liquid when encountering the air leakage position. For example, the joint of the battery cover and the decorative ring, the joint of the lens and the decorative ring and the joint of the flash lamp and the battery cover are coated with leakage detection liquid.
The specific leakage point position is detected by using a mode of coating the position of the possible leakage point with the leakage detection liquid and observing bubbles at the position of the possible leakage point, and on one hand, the detection method cannot influence the reuse of the battery cover assembly because the leakage detection liquid cannot damage all parts of the battery cover assembly due to the self property of the leakage detection liquid. On the other hand, for operators, the coating leakage detection liquid is easy to operate and high in detection efficiency. On the other hand, the specific leak point position can be obtained by observing the bubble condition of each possible leak point position, so that the detection accuracy is greatly improved.
Of course, it is understood that, in the step S400, the outgassing condition of the second side of the battery cover assembly is detected, and a specific leak point position can be obtained by disposing a sensor at a possible leak point position of the second side of the battery cover assembly. Specifically, by detecting the air pressure change of each possible leaking point position, whether the position is a leaking point is further judged. If the air pressure of one or more positions of the plurality of possible leakage points is larger than the air pressure of other positions, the one or more positions can be judged as the positions of the leakage points.
Referring to fig. 3, fig. 3 is a process flow diagram illustrating a method for detecting a leak location of a battery cover assembly according to another embodiment of the present disclosure, where it is understood that the method according to the embodiment of the present disclosure further includes, before introducing gas into the sealed chamber: step S200, applying pressure to a second side of the battery cap assembly.
In step S200, a mold may be pressed against the second side of the battery cover assembly to enhance the sealing between the first side of the battery cover assembly and the sealing cover member.
Of course, it will be appreciated that other means of applying pressure to the second side of the battery cover assembly may be utilized, such as clamping the battery cover assembly and sealing cap.
It is worth mentioning that the stress position of the second side of the battery cover component is staggered with the back glue on the battery cover component. Since the position of the back adhesive is usually the position for connecting the camera head decorative ring and the battery cover, the position is the position of the possible missing point. If the stress position is applied to the back adhesive position on the battery cover component, the back adhesive position is supposed to be a leakage point position, but the back adhesive stress is changed into a non-leakage point position instead, so that false detection is caused.
The distance between the force-bearing position and the adhesive-backed position of the battery cover assembly may be 0.13mm to 0.17mm, for example, 0.14mm, 0.15mm, 0.16 mm.
It can be understood that, with reference to fig. 4, fig. 4 is a process flow diagram of a method for detecting a leak location of a battery cover assembly according to another embodiment of the present application, where the method according to the embodiment of the present application further includes: step S500, providing a sealing member arranged on the second side of the battery cover assembly to seal the position of the battery cover assembly, which is attached to the waterproof breathable film.
For some terminals with waterproof functions, the internal space of the terminal needs to be in gas circulation with the external space, so that the pressure balance of the internal space and the external space is ensured, and the influence on the terminal function caused by the change of the internal pressure due to the rise of the internal temperature of the terminal is avoided. Therefore, the space inside and outside the terminal is often communicated by providing a waterproof breathable film. Waterproof breathable films are composite materials that prevent water molecules from passing through but allow gas molecules to pass through, and are widely used in the electronic equipment industry. For example, the provision of waterproof breathable films has become a standard for IPX7/IPX8 class waterproof models.
In the related art, most of the waterproof breathable films are attached to the camera decorative ring, and gas enters and exits the terminal through the waterproof breathable films.
In step S500 of this embodiment, the position of the battery cover assembly attached with the water-proof and breathable film is sealed by the sealing member, so as to prevent the position attached with the water-proof and breathable film from affecting the air tightness of the sealed chamber due to the internal and external communication, and further affecting the detection of the position of the leak point.
It can be understood that, with reference to fig. 5, fig. 5 is a process flow diagram of a method for detecting a leak location of a battery cover assembly according to yet another embodiment of the present application, where the method according to the embodiment of the present application further includes: and step S600, marking the position of a leakage point of the battery cover assembly.
In step S600, the missing dot positions may be marked with a marker pen. After determining the specific leak location, the battery cover assembly and the sealing cap may be separated and the leak location disassembled based on the previously marked location. For example, the leak position is the joint of the decoration ring and the battery cover, and generally speaking, the leak position is caused by the fact that the back adhesive is not activated. And repeatedly checking the abnormity of the jig for repeatedly pressing the back adhesive by detecting the inactivated position of the back adhesive so as to determine whether the reason for the unqualified airtightness of the battery cover assembly is caused by the abnormity of the jig for repeatedly pressing the back adhesive. By the method, the airtightness yield of the battery cover assembly can be improved.
As shown in fig. 6 and 7, fig. 6 is a schematic structural diagram of a device for detecting a leak point of a battery cover assembly according to an embodiment of the present disclosure, and fig. 7 is a schematic structural diagram of a device for detecting a leak point of a battery cover assembly according to an embodiment of the present disclosure. The apparatus of the present embodiment includes a first module 100, a second module 200, a ventilation module 400, and a detection module (not shown).
The first die set 100 includes a first die holder 110 and a sealing cap 120 disposed on the first die holder 110, and the first die holder 110 can carry a cell cover assembly 300. The battery cover assembly 300 is provided with a functional module 310, such as a camera module and a fingerprint module. The sealing cap 120 can cover every possible leakage point on the first side 301 of the battery cover assembly (in other words, the sealing cap 120 covers the periphery of the functional module 310), and a sealed chamber 500 is formed between the sealing cap 120 and the first side 301 of the battery cover assembly.
Of course, it is to be understood that the sealed chamber 500 of the embodiments of the present application may be considered relatively sealed. Specifically, if a slight gap exists between the cap assembly 300 and the sealing cover 120, and a slight amount of gas can leak from the gap, but the leakage of the slight amount of gas does not affect the determination of the specific leak point position in the following, the gap is also allowed in this case, and the sealing chamber 500 which is not absolutely sealed as described above is also included in the present embodiment.
The venting module 400 is capable of venting gas into the sealed chamber 500.
The detection module is used for detecting the outgassing condition of the second side 302 of the battery cover assembly to determine the position of the leakage point of the battery cover assembly 300.
The detection module of this application embodiment includes leak detection brush and leak detection liquid, and the position of every possible leak source of leak detection liquid coating in second side 302 of battery cover subassembly can be examined to the leak detection brush.
In this embodiment, the leakage detection liquid is coated at each possible leakage point on the second side 302 of the battery cover assembly, and the leakage point positions of the plurality of possible leakage points are determined by utilizing the bubbling characteristic of the leakage detection liquid when encountering the leakage position. For example, the joint of the battery cover and the decorative ring, the joint of the lens and the decorative ring and the joint of the flash lamp and the battery cover are coated with leakage detection liquid.
The specific leak position is detected by coating the position of each possible leak with the leak detection liquid and observing the bubbles at the position of each possible leak, and on one hand, the detection method does not affect the reuse of the battery cover assembly 300 because the leakage detection liquid does not damage the parts of the battery cover assembly 300 due to the nature of the leakage detection liquid. On the other hand, for operators, the coating leakage detection liquid is easy to operate and the coating efficiency is high. On the other hand, the specific leak point position can be obtained by observing the bubble condition of each possible leak point position, so that the detection accuracy is greatly improved.
Of course, it is understood that the detection module may further include a sensor. Specifically, the sensor is capable of detecting a change in air pressure at each possible leak location to determine whether the location is a leak. If the air pressure of one or more positions of the plurality of possible leak point positions is larger than the air pressure of other positions, the one or more positions can be judged as the leak point positions.
The second module 200 of the present embodiment is configured to press against the second side 302 of the battery cover assembly to improve the sealing performance of the sealed cavity. The second module 200 comprises a second die holder and a plug arranged on the second die holder, and the plug can plug the position of the battery cover assembly 300 attached to the waterproof and breathable film.
For some terminals with waterproof functions, the internal space of the terminal needs to be in gas circulation with the external space, so that the pressure balance of the internal space and the external space is ensured, and the influence on the terminal function caused by the change of the internal pressure due to the rise of the internal temperature of the terminal is avoided. Therefore, the space inside and outside the terminal is often communicated by providing a waterproof breathable film. Waterproof breathable films are composite materials that prevent water molecules from passing through but allow gas molecules to pass through, and are widely used in the electronic equipment industry. For example, the provision of waterproof breathable films has become a standard for IPX7/IPX8 class waterproof models.
In the related art, most of the waterproof breathable films are attached to the camera decorative ring, and gas enters and exits the terminal through the waterproof breathable films.
This application embodiment utilizes end cap shutoff battery cover subassembly 300 to paste the position of establishing waterproof ventilated membrane, prevents to paste the position of establishing waterproof ventilated membrane because inside and outside intercommunication, influences the gas tightness of sealed cavity 500, and then influences the detection of leak source position.
As shown in fig. 8, fig. 8 is a schematic structural diagram of the sealing cap 120 according to the embodiment of the present application. The sealing cover 120 of the embodiment of the present application includes a cover body 121 and a flange 122, the cover body 121 has a surface 1211 facing the first side 301 of the battery cover assembly, the flange 122 is convexly disposed on the surface 1211, and when the sealing cover 120 covers each possible leakage point of the battery cover assembly 300, the flange 122 is sandwiched between the first side 301 of the battery cover assembly and the surface 1211. The sealing cap 120 may be made of silicone.
The flange 122 may be a resilient member. When the flange 122 is subjected to the pressing force of the battery cover assembly 300, the flange 122 can be deformed. Through the arrangement of the flange 122, the flange 122 can be better attached to the first side of the battery cover assembly, so that the sealing performance between the battery cover assembly 300 and the sealing cover 120 is improved.
The cover body 121 of the sealing cover 120 of the embodiment of the present application is provided with a vent hole 1212, and the ventilation module 400 can ventilate air into the sealed cavity through the vent hole 1212.
To sum up, the method and the device for detecting the position of the leakage point of the battery cover assembly and the sealing cover in the embodiment of the application have the advantages and beneficial effects that:
the embodiment of the application provides a method and equipment for detecting the position of a leakage point of a battery cover assembly, which are used for determining the specific position of the leakage point by detecting the air outlet condition of each possible leakage point of the battery cover assembly, solving the problem of inconvenient operation in the related technology and effectively improving the detection efficiency for determining the position of the leakage point.
In the application examples, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the examples of the application can be understood by those skilled in the art according to specific situations.
In the description of the embodiments of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.
In the description herein, reference to the term "one embodiment," "some embodiments," "a specific embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application embodiment. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the claimed embodiments and is not intended to limit the claimed embodiments, and various modifications and changes may be made to the claimed embodiments by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the applied embodiment shall be included in the protection scope of the applied embodiment.
Claims (14)
1. A method for detecting the position of a leakage point of a battery cover component is characterized by comprising the following steps:
providing a sealing cover covering a potential leak point on a first side of the battery cover assembly and forming a sealed chamber between the sealing cover and the first side of the battery cover assembly;
introducing gas into the sealed cavity;
detecting the outgassing condition of the second side of the battery cover component to determine the position of a leakage point of the battery cover component; wherein the first side and the second side are oppositely disposed.
2. The method of claim 1, wherein detecting outgassing of the second side of the battery cover assembly comprises:
coating a leakage detection liquid on a second side of the battery cover assembly;
detecting the bubble condition of the possible leak point.
3. The method for detecting the position of the leakage point of the battery cover assembly according to claim 2, wherein detecting the bubble condition of the possible leakage point comprises:
and if bubbles appear at the positions of one or more possible leak points, the positions of the one or more possible leak points are the positions of the leak points.
4. The method of claim 1, wherein prior to introducing gas into the sealed chamber, the method further comprises:
applying pressure to a second side of the battery cap assembly.
5. The method for detecting the position of the leakage point of the battery cover assembly according to claim 4, wherein the stress position of the second side of the battery cover assembly is staggered with the back glue on the battery cover assembly.
6. The method of detecting the position of a leak in a battery cover assembly of claim 1, further comprising:
and providing a sealing element which is arranged on the second side of the battery cover component so as to seal the position of the battery cover component attached with the waterproof breathable film.
7. The method of detecting the position of a leak in a battery cover assembly of claim 1, further comprising:
marking a leak location of the battery cap assembly.
8. A sealing cover applied to the method for detecting the position of a leakage point of a battery cover assembly according to any one of claims 1 to 7, wherein the sealing cover comprises a cover body and a flange, the cover body is provided with a surface facing to the first side of the battery cover assembly, the flange is convexly arranged on the surface, and when the sealing cover is arranged at a possible leakage point of the battery cover assembly, the flange is clamped between the first side of the battery cover assembly and the surface.
9. The closure of claim 8, wherein said flange is a resilient member capable of being deformed by said cell cover assembly.
10. A battery cover assembly leak source position detection device, comprising:
the first die set comprises a first die holder and a sealing cover arranged on the first die holder, the first die holder can bear the battery cover assembly, the sealing cover can cover a possible leakage point on a first side of the battery cover assembly, and a sealing cavity is formed between the sealing cover and the first side of the battery cover assembly;
the ventilation module can introduce gas into the sealed cavity; and
and the detection module is used for detecting the air outlet condition of the second side of the battery cover component so as to determine the position of a leakage point of the battery cover component.
11. The apparatus for detecting the position of a leak in a battery cover assembly according to claim 10, wherein the detection module comprises a leak detection brush and a leak detection liquid, and the leak detection brush is capable of coating the leak detection liquid on the second side of the battery cover assembly.
12. The apparatus of claim 10, further comprising a second module configured to press against a second side of the battery cover assembly.
13. The device for detecting the position of the leakage point of the battery cover assembly according to claim 12, wherein the second module comprises a second die holder and a plug arranged on the second die holder, and the plug can plug the position of the battery cover assembly attached to the waterproof and breathable film.
14. The apparatus for detecting the position of a leak point of a battery cover assembly according to any one of claims 10 to 13, wherein the sealing cover is the sealing cover according to claim 8 or 9.
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| CN202011323902.0A CN112254886A (en) | 2020-11-23 | 2020-11-23 | Method and equipment for detecting leakage point position of battery cover assembly and sealing cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247660A (en) * | 2022-03-02 | 2022-03-29 | 武汉飞恩微电子有限公司 | Automatic detection equipment for air tightness of sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561336A (en) * | 2008-04-18 | 2009-10-21 | 纬创资通股份有限公司 | Testing device and testing method |
| CN102607783A (en) * | 2012-04-10 | 2012-07-25 | 昆山迈致治具科技有限公司 | Pressing jig for detecting air tightness of product |
| CN103091050A (en) * | 2013-01-14 | 2013-05-08 | 无锡南兴涂装设备有限公司 | Foaming agent leak detection method of all-welding type drying stove wallboard welding seam |
| CN203705129U (en) * | 2013-12-30 | 2014-07-09 | 山海关造船重工有限责任公司 | Welding seam sealing property detector |
| CN106353048A (en) * | 2016-08-24 | 2017-01-25 | 昆山杰士德精密工业有限公司 | Air tightness test device for mobile phone |
| CN207600687U (en) * | 2017-12-18 | 2018-07-10 | 深圳市利和兴股份有限公司 | A kind of multi-faceted waterproof test device |
| CN210375570U (en) * | 2019-06-18 | 2020-04-21 | 深圳亚士德科技有限公司 | Cell-phone casing seals testing arrangement |
| CN211696853U (en) * | 2019-12-31 | 2020-10-16 | 东莞华誉精密技术有限公司 | Air tightness detector for telephone watch cover |
-
2020
- 2020-11-23 CN CN202011323902.0A patent/CN112254886A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561336A (en) * | 2008-04-18 | 2009-10-21 | 纬创资通股份有限公司 | Testing device and testing method |
| CN102607783A (en) * | 2012-04-10 | 2012-07-25 | 昆山迈致治具科技有限公司 | Pressing jig for detecting air tightness of product |
| CN103091050A (en) * | 2013-01-14 | 2013-05-08 | 无锡南兴涂装设备有限公司 | Foaming agent leak detection method of all-welding type drying stove wallboard welding seam |
| CN203705129U (en) * | 2013-12-30 | 2014-07-09 | 山海关造船重工有限责任公司 | Welding seam sealing property detector |
| CN106353048A (en) * | 2016-08-24 | 2017-01-25 | 昆山杰士德精密工业有限公司 | Air tightness test device for mobile phone |
| CN207600687U (en) * | 2017-12-18 | 2018-07-10 | 深圳市利和兴股份有限公司 | A kind of multi-faceted waterproof test device |
| CN210375570U (en) * | 2019-06-18 | 2020-04-21 | 深圳亚士德科技有限公司 | Cell-phone casing seals testing arrangement |
| CN211696853U (en) * | 2019-12-31 | 2020-10-16 | 东莞华誉精密技术有限公司 | Air tightness detector for telephone watch cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247660A (en) * | 2022-03-02 | 2022-03-29 | 武汉飞恩微电子有限公司 | Automatic detection equipment for air tightness of sensor |
| CN114247660B (en) * | 2022-03-02 | 2022-06-10 | 武汉飞恩微电子有限公司 | Automatic detection equipment for air tightness of sensor |
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