CN212796103U - Waterproof membrane, accommodating cavity and image acquisition device - Google Patents
Waterproof membrane, accommodating cavity and image acquisition device Download PDFInfo
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- CN212796103U CN212796103U CN202021637670.1U CN202021637670U CN212796103U CN 212796103 U CN212796103 U CN 212796103U CN 202021637670 U CN202021637670 U CN 202021637670U CN 212796103 U CN212796103 U CN 212796103U
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Abstract
The application relates to the technical field of waterproofing, particularly, relate to a waterproof membrane, hold cavity and image acquisition device. The waterproof membrane comprises a water absorbing layer and a water permeable layer, and the water permeable layer and the water absorbing layer are arranged in a laminated manner; when the water is in a first state, water molecules can pass through the water permeable layer; when the water is in the second state, the water permeable layer prevents water molecules from passing through; the water absorbing layer is used for absorbing water passing through the water permeable layer; one side of the water absorption layer, which is far away from the permeable layer, is connected with the carrier. The accommodating cavity is provided with an accommodating cavity; the inner wall of the containing cavity is provided with a waterproof membrane. The image acquisition device comprises an electronic element, a lens and an accommodating cavity, wherein the electronic element is arranged in the accommodating cavity, and the lens is fixedly arranged on the side wall of the accommodating cavity. The utility model discloses a layer that absorbs water to the moisture in image acquisition device's the internal environment, and then can not make it the camera lens produce the phenomenon of fogging, has guaranteed the normal use of image.
Description
Technical Field
The application relates to the technical field of waterproofing, particularly, relate to a waterproof membrane, hold cavity and image acquisition device.
Background
In the prior art, when the waterproof membrane is used, water in the external environment is mainly prevented from entering equipment needing protection, and the protection function on the water entering the equipment cannot be achieved; and when the water molecule is small, the water molecule can not be prevented from entering and exiting from the equipment, and the equipment can not be protected in the aspect of water resistance.
In prior art, in the image acquisition device commonly used, it is inside probably because weather or other reasons, cause inside to produce a great amount of steam, and the production of steam can produce the fog phenomenon on image acquisition device's the camera lens inner wall, and then influences the normal collection of image, further influences image acquisition device's result of use.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present application is to provide a waterproof membrane, which can prevent large and small water molecules from penetrating through the waterproof membrane, thereby improving the protection effect of the waterproof membrane.
According to one aspect of the present application, there is provided a waterproof membrane including a water-absorbing layer and a water-permeable layer, the water-permeable layer and the water-absorbing layer being disposed in a stacked manner;
when water is in a first state, water molecules can pass through the water permeable layer;
when the water is in a second state, the water permeable layer prevents water molecules from passing through;
the water absorbing layer is used for absorbing water passing through the water permeable layer;
and one side of the water absorption layer, which is far away from the water permeable layer, is used for connecting a carrier.
In some embodiments, the water-absorbing layer is made of water-absorbing cotton.
The waterproof membrane in this application's beneficial effect does:
prevent through the permeable bed to the water under the great state of hydrone granule to keep apart, absorb the water that can pass in and out the permeable bed through the layer that absorbs water, reach and can enough prevent when great hydrone granule, can absorb less hydrone granule again, improved the protective effect of water proof membrane.
Another aim at of this application provides an use above-mentioned waterproof membrane's the cavity that holds, can carry out water proof protection to the components and parts that hold in the cavity.
According to another aspect of the present application, the accommodating cavity provided by the present application is provided with an accommodating cavity;
the inner wall of the accommodating cavity is provided with the waterproof membrane.
In some embodiments, the accommodating cavity comprises a plurality of shell plates, and the shell plates surround the accommodating cavity;
and each shell plate is provided with a waterproof membrane.
In some embodiments, the water resistant membrane covers a gap disposed between adjacent shell plates.
In some embodiments, the waterproofing membranes are stacked at the gap.
In some embodiments, an electromagnetic shielding layer is disposed on the receiving cavity;
the electromagnetic shielding layer is arranged between the waterproof film and the inner wall of the accommodating cavity;
or the electromagnetic shielding layer is arranged on one side of the waterproof membrane, which is far away from the inner wall of the accommodating cavity;
or, the electromagnetic shielding layer is arranged on the outer surface of the accommodating cavity.
In some embodiments, the electromagnetic shielding layer is made of a carbon fiber composite material.
The beneficial effect who holds the cavity in this application does:
through set up foretell waterproof membrane on the inner wall that holds the chamber, can block the influence of water in the external environment to inside electrical components, have and can absorb the water that has entered into and hold the intracavity, improved the protective effect to electrical components.
Another aim at of this application provides an image acquisition device, can solve the camera lens of the image acquisition device that exists among the prior art problem of hazing, reaches the waterproof antifog effect of image acquisition device.
According to another aspect of the present application, the present application provides an image capturing device, which includes an electronic component, a lens and the accommodating cavity defined in any one of the above, wherein the electronic component is disposed in the accommodating cavity, and the lens is fixedly disposed on a sidewall of the accommodating cavity.
In some embodiments, the waterproof film is disposed on a connection gap between the lens and the accommodating cavity.
The image acquisition device of the application has the beneficial effects that:
the water absorbing layer absorbs water in the internal environment of the image acquisition device, and the water absorbing layer can be prevented from absorbing water to return to the internal environment of the image acquisition device through the water permeable layer, so that the inside of the image acquisition device cannot continuously retain water vapor, the lens cannot be fogged, and the normal use of the image is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 shows a schematic structural diagram of a waterproof membrane provided in an embodiment of the present application;
fig. 2 shows a schematic structural diagram of a receiving cavity provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another accommodating cavity provided in the embodiment of the present application;
fig. 4 is a schematic view illustrating a first arrangement of a waterproof membrane in a receiving cavity according to an embodiment of the present application;
fig. 5 is a schematic view illustrating a second arrangement of a waterproof membrane in a receiving cavity according to an embodiment of the present application;
fig. 6 is a schematic view illustrating a third arrangement manner of the waterproof membrane in the accommodating cavity provided by the embodiment of the application;
fig. 7 shows a schematic structural diagram of an image acquisition device provided in an embodiment of the present application.
Description of the main element symbols: 1-a water permeable layer; 2-a water-absorbing layer; 3-a carrier; 4-an accommodation cavity; 5-an electromagnetic shielding layer; 6-an accommodating cavity; 7-shell plate; 8-a waterproof membrane; 9-an electronic component; 10-lens.
Detailed Description
In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for illustrative and descriptive purposes only and are not used to limit the scope of protection of the present application. Additionally, it should be understood that the schematic drawings are not necessarily drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and steps without logical context may be performed in reverse order or simultaneously. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.
In addition, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In order to enable a person skilled in the art to use the present disclosure, the following embodiments are given in connection with the specific application scenario "image capture device". It will be apparent to those skilled in the art that the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the application. Although the present application is described primarily in the context of an image acquisition device, it should be understood that this is merely one exemplary embodiment.
It should be noted that in the embodiments of the present application, the term "comprising" is used to indicate the presence of the features stated hereinafter, but does not exclude the addition of further features.
According to one aspect of the present application, as shown in fig. 1, there is provided a waterproof membrane comprising a water-absorbent layer 2 and a water-permeable layer 1, the water-permeable layer 1 and the water-absorbent layer 2 being stacked; when water is in a first state, water molecules can pass through the water permeable layer 1; when the water is in the second state, the water permeable layer 1 prevents water molecules from passing through; the water absorbing layer 2 is used for absorbing water passing through the water permeable layer 1; the side of the water-absorbing layer 2 facing away from the water-permeable layer 1 is used for connecting a carrier 3.
In the utility model, the water state is two kinds, the first state is a water vapor state, the water particles are very fine, specifically, the permeable layer 1 is made of porous material, more specifically, the permeable layer 1 is made of breathing paper, more capillary holes are arranged on the permeable layer 1, according to the principle of capillary motion, the water in the first state can permeate from one side of the permeable layer 1 to the other side, so that the vapor permeation phenomenon occurs; when the water vapor is changed into water drops, the particles become bigger and are in a second state, and at the moment, water molecules can not smoothly separate from the water drops and permeate to the other side due to the tension action of the surface of the water drops, so that the permeation of water is prevented.
Specifically, in the present embodiment, the water-absorbing layer 2 can absorb water in the second state, or can change water in the first state to water in the second state, and then the water-absorbing layer 2 absorbs the water.
More specifically, in this embodiment, the water-absorbent layer 2 is placed on the support 3, and the water-absorbent layer 2 is covered with the water-permeable layer 1.
When the waterproof film is used, water molecules in water vapor permeate from one side of the water permeable layer 1 to the other side, so that the water molecules are absorbed by the water absorbing layer 2, and the water molecules in the water absorbing layer 2 cannot be emitted from the water absorbing layer 2.
That is, water molecules can enter only from the outside of the water permeable layer 1 to the inside, but cannot enter from the inside of the water permeable layer 1 to the outside.
In this embodiment, the water-absorbing layer 2 and the carrier 3 may be connected in various ways, such as bonding, nailing or other connection, as long as the water-absorbing layer 2 can be disposed on the carrier 3.
The connection mode between the water absorption layer 2 and the carrier 3 can be fixed connection or detachable connection, as long as the water absorption layer 2 can be arranged on the carrier 3.
Specifically, in this embodiment, the material of the water-absorbing layer 2 is water-absorbing cotton or water-absorbing resin.
It should be noted that the material of the water-absorbing layer 2 may be water-absorbing cotton or water-absorbing resin, but it is not limited to water-absorbing cotton or water-absorbing resin, and it may also be other materials, such as porous material with small thickness and density, that is, the water-absorbing layer 2 only has the water-absorbing function.
Based on any one of the above aspects, as shown in fig. 2 and 3, the present application provides an accommodating cavity 4, wherein an accommodating cavity 6 is arranged on the accommodating cavity 4; the inner wall of the receiving chamber 6 is provided with a waterproofing membrane 8 according to any of the above.
In some products that need do waterproof, dampproofing processing, can use the utility model provides a hold cavity 4.
Specifically, after the product is placed in the accommodating cavity 6 of the accommodating cavity 4, the waterproof membrane 8 on the inner wall of the accommodating cavity 6 in the hand is used for realizing the waterproof and moistureproof functions.
In this embodiment, the inner wall of the receiving chamber 6 is a carrier for the water-repellent membrane 8.
Specifically, in this embodiment, when the inner wall that holds chamber 6 was as the carrier, still had the effect of the state of changing water, carrier 3 was for holding cavity 4 promptly, and chamber 6 and external environment are held respectively to its inner wall and outer wall, and the temperature between them can have certain difference, and the temperature of external environment is less than the temperature that holds under the user state in chamber 6 mainly, and then can make the entering absorb water the water behind layer 2, changes from first state to second state.
Specifically, in this embodiment, the waterproof film 8 on the inner wall of the accommodating cavity 6 may be a film that fully covers the inner wall of the accommodating cavity 6, or may be a film that partially covers the inner wall, as long as it can absorb the water vapor inside the accommodating cavity 6.
More specifically, in this embodiment, when the accommodating cavity 4 is placed in any direction, the waterproof films 8 are disposed at the lowest horizontal positions inside the accommodating cavity 6, so that water vapor or water molecules can be collected by gravity.
In some embodiments, the accommodating cavity 4 comprises a plurality of shell plates 7, and the plurality of shell plates 7 surround the accommodating cavity 6; each shell plate 7 is provided with a waterproof membrane 8.
Specifically, in this embodiment, hold cavity 4 and constitute for polylith coverboard 7, can be through behind the connected modes such as joint, bolted connection, riveting, welding between the polylith coverboard 7, form a whole.
After the shell plates 7 are connected, a containing cavity 6 is formed in the interior of the shell plates, and the waterproof membrane 8 is arranged on the inner wall of the containing cavity 6.
Specifically, the waterproof membrane 8 may be disposed in the accommodating cavity 6 in at least the following ways:
in the first case, the waterproof membrane 8 covers the gap provided between the adjacent shell plates 7, as shown in fig. 4.
When the shell plates 7 are installed and connected, a gap is inevitably generated between every two adjacent shell plates 7, water vapor in the external environment enters the containing cavity 6 through the gap, the waterproof film 8 is covered and arranged at the gap, water absorption inside the containing cavity 6 can be achieved, the sealing effect at the gap can be increased, and the water vapor in the external environment is prevented from entering the containing cavity 6.
In the second case, the waterproof films 8 are stacked at the gap.
At this moment, the waterproof membrane 8 is fully covered on each shell plate 7, and the edge of the waterproof membrane 8 extends outside the shell plate 7, so that when the shell plate 7 is installed and connected with the adjacent shell plate 7, the waterproof membrane 8 on the adjacent shell plate 7 can be stacked at the gap between the two adjacent shell plates 7, and the sealing effect at the gap is increased.
Specifically, the stacking arrangement may be performed in two ways, one is as shown in fig. 5, the waterproof films 8 on the two shell plates 7 are turned over and then stacked, and the other is as shown in fig. 6, after the waterproof film 8 on one shell plate 7 is turned over by 180 degrees, the waterproof film 8 on the other shell plate 7 covers the turned-over waterproof film 8, so as to form the stacking arrangement.
In the third case, the waterproof film 8 is provided only on the shell plate 7 without covering the gap. Such setting, although can not avoid external steam to enter into and hold chamber 6 in, nevertheless as long as can be with entering into the steam that holds chamber 6 and all absorbed by layer 2 that absorbs water, equally can play dampproofing and waterproofing's effect.
In some embodiments, electronic components are placed in the accommodating cavity 6 of the accommodating cavity 4, and each electronic component may be interfered by external electromagnetic signals when in use, thereby affecting the use effect of the electronic component.
In order to solve the above problem, in the present embodiment, the electromagnetic shielding layer 5 is disposed on the accommodating cavity 4; the electromagnetic shielding layer 5 is disposed between the waterproof film 8 and the inner wall of the accommodating chamber 6.
Specifically, in this embodiment, the electromagnetic shielding layer 5 is disposed between the waterproof film 8 and the inner wall of the accommodating cavity 6, that is, after the electromagnetic shielding layer 5 is disposed on the inner wall of the accommodating cavity 6, the waterproof film 8 is covered on the electromagnetic shielding layer 5.
At this time, the water vapor in the accommodating chamber 6 is absorbed only through the waterproof film 8, and does not intersect with the electromagnetic shielding layer 5.
In the present embodiment, the coverage area of the electromagnetic shielding layer 5 may be larger than the coverage area of the waterproof film 8, or smaller than the coverage area of the waterproof film 8, or equal to the coverage area of the waterproof film 8, that is, the coverage area of the electromagnetic shielding layer 5 on the inner wall of the accommodating chamber 6 is independent from the coverage area of the waterproof film 8 on the inner wall of the accommodating chamber 6, as long as the respective functions can be achieved.
In this embodiment, the electromagnetic shielding layer 5 may also be disposed on a side of the waterproof film 8 facing away from the inner wall of the accommodating chamber 6.
I.e. the outermost layer of the inner wall of the receiving chamber 6 is the electromagnetic shielding layer 5. At this time, the water vapor in the accommodating cavity 6 firstly passes through the electromagnetic shielding layer 5 and then is absorbed by the waterproof film 8.
In the present embodiment and, the electromagnetic shielding layer 5 may also be disposed on the outer surface of the receiving cavity 4.
That is, the waterproof film 8 and the battery shielding layer are respectively provided on opposite sides of the case plate 7 so that the waterproof film 8 and the battery shielding layer do not interfere with each other.
In this embodiment, the electromagnetic shielding layer 5 is made of a carbon fiber composite material.
Utilize carbon-fibre composite's high conductivity for carbon-fibre composite has better electromagnetic shield characteristic, can shield external environment's electromagnetic signal, avoids holding the electronic component in the chamber 6 and is disturbed by external electromagnetic signal.
It should be noted that, in the present embodiment, the material of the electromagnetic shielding layer 5 is a carbon fiber composite material, but the material of the electromagnetic shielding layer 5 is not limited to the carbon fiber composite material, and may also be other materials, such as metal, which only has electrical conductivity, and further utilizes the electrical conductivity to shield the electromagnetic signal.
It can be seen from the foregoing that, at the surface that holds cavity 4 increase carbon-fibre composite material coating as electromagnetic shield layer 5, carbon-fibre composite material has good electromagnetic shielding nature, high temperature resistant, electrically conductive, corrosion-resistant, antifriction, can effectually shield external signal and prevent to cause the interference to image acquisition device internal circuit, also can reduce the radiation to the external world such as image acquisition device internal power, crystal oscillator simultaneously, guarantees good operating condition.
In order to further improve the electromagnetic shielding effect of the accommodating cavity 4, in this embodiment, the material of the accommodating cavity 4 is metal or other material with conductive property, so as to further enhance the electromagnetic shielding function and protect the electronic components in the accommodating cavity 4 from being interfered by the electromagnetic signal.
In this embodiment, the material of the accommodating cavity 4 is a conductive metal, but it is not limited to a metal material, and it may also be other non-conductive materials, for example, a material such as PVC may also be used, as long as it can be used as the carrier 3 of the waterproof film 8 and/or the electromagnetic shielding layer 5, and can generate a protection function for the electronic component in the accommodating cavity 6.
Based on any one of the above aspects, the present application provides an image capturing device, as shown in fig. 7, which includes an electronic component 9, a lens 10 and any one of the above accommodating cavities 4, wherein the electronic component 9 is disposed in the accommodating cavity 6, and the lens 10 is fixedly disposed on a side wall of the accommodating cavity 4.
The accommodating cavity 6 in the image acquisition device is a closed space, when water vapor exists in the image acquisition device, the water vapor cannot be normally discharged, the use effect of the internal electronic element 9 can be influenced, the electronic element 9 can be seriously scrapped, and the service life of the electronic element 9 can be influenced; and the internal vapor can generate vapor fog on the inner surface of the lens 10 after contacting the lens 10, thereby influencing the normal collection of the image by the image collection device.
In order to solve the above problem, in this embodiment, the accommodating cavity 4 in the foregoing embodiment is used as a housing of the image capturing device, and then when moisture exists inside the image capturing device, the moisture is absorbed by the waterproof film 8, so as to keep the inside of the image capturing device dry, and ensure the normal use of the electronic component 9 and the lens 10.
In some embodiments, a waterproof film 8 is provided on the connection gap between the lens 10 and the accommodation chamber 4.
Specifically, with the setting of water proof membrane 8 on camera lens 10 and the connecting gap who holds cavity 4, can improve the sealing performance who holds between cavity 4 and the camera lens 10, further guarantee the inside degree of dryness of image acquisition device.
Specifically, in this embodiment, air molecule size is not along with temperature variation, and the permeable bed can make air molecule freely remove, avoids the inside temperature high pressure of image acquisition device to be powerful to cause the inside and outside pressure difference of image acquisition device.
When the image acquisition device does not work, the water in the image acquisition device flows downwards under the influence of gravity and can permeate through the breathable layer to be absorbed by the absorbent cotton sheet; when the image acquisition device works, the components on the circuit board convert part of electric energy into heat energy to raise the temperature of air in the image acquisition device, water is evaporated, and water vapor is absorbed by the water-absorbing cotton sheets through the breathable layers on the surfaces in the shell, so that the image acquisition device works normally. The materials are positioned on 6 surfaces of the inner cavity of the image acquisition device except for the interfaces such as the connector of the image acquisition device, the lens and the like, so that the image acquisition device can well absorb the water vapor in the image acquisition device when placed at any angle.
It should be noted that, in this embodiment, the accommodating cavity 4 is applied to the image capturing device, but it is not limited to be applied to the image capturing device, and it may also be applied to other devices, for example, a control box with a circuit board inside, specifically a control box of a vehicle lock, etc., or a lamp with a light emitting circuit inside, etc., as long as the accommodating cavity 4 can be used to increase the internal dryness, so as to avoid the negative influence of the internal moisture on the use effect.
The utility model has the advantages that:
absorb water through the layer 2 that absorbs water in to image acquisition device's the internal environment, can avoid absorbing water layer 2 adsorbed water through permeable bed 1 and get back to image acquisition device's internal environment in, and then guaranteed that image acquisition device's inside can not continuously be equipped with steam, and then can not make camera lens 10 produce the phenomenon of fogging, guaranteed the normal use of image.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application.
Claims (10)
1. A waterproofing membrane, comprising: the water absorption layer and the water permeable layer are arranged in a laminated manner;
when water is in a first state, water molecules can pass through the water permeable layer;
when the water is in a second state, the water permeable layer prevents water molecules from passing through;
the water absorbing layer is used for absorbing water passing through the water permeable layer;
and one side of the water absorption layer, which is far away from the water permeable layer, is used for connecting a carrier.
2. The waterproof membrane of claim 1, wherein the water-absorbing layer is made of water-absorbing cotton or water-absorbing resin.
3. The accommodating cavity is characterized in that an accommodating cavity is arranged on the accommodating cavity;
the inner wall of the containing cavity is provided with the waterproof membrane of claim 1 or 2.
4. The receiving cavity of claim 3, wherein the receiving cavity comprises a plurality of shell plates, and the plurality of shell plates surround the receiving cavity;
and each shell plate is provided with a waterproof membrane.
5. The receiving chamber according to claim 4, characterized in that said water-proof film covers the gaps provided between adjacent shell plates.
6. The receiving cavity of claim 5, wherein the waterproofing membranes on adjacent shell plates are stacked at the gap.
7. The receiving chamber according to claim 3, wherein an electromagnetic shielding layer is provided on the receiving chamber;
the electromagnetic shielding layer is arranged between the waterproof film and the inner wall of the accommodating cavity;
or the electromagnetic shielding layer is arranged on one side of the waterproof membrane, which is far away from the inner wall of the accommodating cavity;
or, the electromagnetic shielding layer is arranged on the outer surface of the accommodating cavity.
8. The receiving cavity according to claim 7, wherein the electromagnetic shielding layer is made of carbon fiber composite material or metal.
9. An image acquisition device, comprising an electronic component, a lens and the accommodating cavity of any one of claims 3 to 8, wherein the electronic component is arranged in the accommodating cavity, and the lens is arranged on a side wall of the accommodating cavity.
10. The image capturing device as claimed in claim 9, wherein the waterproof film is disposed in a connecting gap between the lens and the accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637670.1U CN212796103U (en) | 2020-08-07 | 2020-08-07 | Waterproof membrane, accommodating cavity and image acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021637670.1U CN212796103U (en) | 2020-08-07 | 2020-08-07 | Waterproof membrane, accommodating cavity and image acquisition device |
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| CN212796103U true CN212796103U (en) | 2021-03-26 |
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| CN202021637670.1U Active CN212796103U (en) | 2020-08-07 | 2020-08-07 | Waterproof membrane, accommodating cavity and image acquisition device |
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