CN112770563A - Electronic equipment and waterproof construction thereof - Google Patents
Electronic equipment and waterproof construction thereof Download PDFInfo
- Publication number
- CN112770563A CN112770563A CN202011579189.6A CN202011579189A CN112770563A CN 112770563 A CN112770563 A CN 112770563A CN 202011579189 A CN202011579189 A CN 202011579189A CN 112770563 A CN112770563 A CN 112770563A
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- detection device
- waterproof structure
- blocking mechanism
- shell
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Telephone Function (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to an electronic device and a waterproof structure thereof, wherein the waterproof structure comprises a shell, a blocking mechanism, a driving device, a controller, a liquid detection device and/or a humidity detection device, the shell is provided with an opening for communicating the internal space of the shell with the outside, and the blocking mechanism is movably arranged on the shell; the driving device is used for driving the blocking mechanism to move; the liquid detection device and/or the humidity detection device are/is exposed out of the shell; the controller controls the driving device to drive the blocking mechanism to move according to a detection signal of the liquid detection device or the humidity detection device so as to open or close the opening; the waterproof structure realizes the connection or disconnection between the inside of the waterproof structure and the outside through the movable structure, so that the waterproof structure has good air permeability and air conduction performance, and the adverse effect of the waterproof structure on the performance of devices such as a microphone, a loudspeaker, a barometer and the like arranged in the waterproof structure is reduced.
Description
Technical Field
The invention relates to the technical field of equipment sealing, in particular to electronic equipment and a waterproof structure thereof.
Background
Many intelligence wearing equipment on the existing market can be furnished with devices such as microphone, speaker or barometer, and these devices need communicate with the external world at the during operation, just need wearing equipment to reserve the bleeder vent, and intelligence wearing equipment has certain requirement to waterproof performance. In the prior art, the waterproof breathable film is mainly adopted to form protection at the open hole, but the waterproof breathable film is a film with micropores made of high polymer materials, and the microporous structure is easily blocked by dust after long-term use, so that the breathable effect is influenced. And the film per se has certain obstruction to the transmission of air, so that the sensitivity of the device is reduced.
Disclosure of Invention
The first purpose of the present invention is to provide a waterproof structure to improve the problem of the existing waterproof structure that the air permeability and air conduction performance of the equipment are reduced.
A second object of the present invention is to provide an apparatus using the above waterproof structure.
In order to achieve the purpose, the invention provides the following technical scheme:
a waterproof structure characterized by comprising:
the device comprises a shell and a blocking mechanism, wherein the blocking mechanism is movably arranged on the shell, and the shell is provided with an opening for communicating the inner space of the shell with the outside;
the driving device is used for driving the blocking mechanism to move;
a liquid detection device and/or a humidity detection device exposed out of the housing;
and the controller controls the driving device to drive the blocking mechanism to move according to a detection signal of the liquid detection device or the humidity detection device so as to open or close the opening.
Preferably, the blocking mechanism is arranged in the shell, the blocking mechanism is provided with a through hole, and the inner space of the shell is communicated with the outside through a channel formed by the through hole and the opening.
Preferably, the blocking mechanism includes a cylindrical core rotatably disposed in the housing, and the core is radially provided with the through hole.
Preferably, the liquid detection means and/or the humidity detection means are provided at least on one side of the opening.
Preferably, the liquid detection device includes an oscillation circuit and two detection electrodes, the two detection electrodes are electrically connected to the controller through the oscillation circuit, and the two detection electrodes are exposed to the housing.
Preferably, the drive means comprises one of a piston cylinder, a linear motor, a rotary motor and a magnetic drive means.
Preferably, the driving device comprises an electromagnet and a rotor for driving the shielding mechanism to rotate, permanent magnets are arranged at two ends of the rotor respectively, the rotor can be arranged between two ends of the electromagnet in a reciprocating mode, and a coil of the electromagnet is connected with the controller through a reversing circuit.
Preferably, the device further comprises a position detection device connected with the controller, and the controller controls the driving device to stop after the position detection device detects that the shielding mechanism moves to the position.
Preferably, the position detection device comprises a magnetic field detection device, the magnetic field detection device is arranged in the shell and is used for detecting a magnetic field generated by the permanent magnet at the end part of the rotor, and the controller judges whether the rotor moves in place according to the strength of the magnetic field detected by the magnetic field detection device.
An electronic device comprising a waterproof structure as claimed in any one of the above.
According to the technical scheme, the invention discloses a waterproof structure, which comprises a shell, a blocking mechanism, a driving device, a controller, a liquid detection device and/or a humidity detection device, wherein the shell is used as the whole waterproof structure and is arranged on an installation matching structure of equipment and a protection structure of an internal component of the waterproof structure; the driving device is used for driving the blocking mechanism to move, and the driving device comprises but is not limited to a linear motor, a rotating motor and an electric cylinder; the waterproof structure is provided with at least one of a liquid detection device and a humidity detection device, the number of the liquid detection devices and/or the humidity detection devices can be one or more, the liquid detection devices and/or the humidity detection devices are/is exposed out of the shell, the liquid detection devices detect whether liquid exists outside the shell or not, and the humidity detection devices are used for detecting the humidity of the environment where the shell is located; the controller controls the driving device to drive the blocking mechanism to move according to a detection signal of the liquid detection device or the humidity detection device so as to open or close the opening; when the waterproof structure is applied, the controller acquires whether liquid exists outside the shell or not through the liquid detection device, or the controller detects the ambient humidity of the waterproof structure through the humidity detection device, if the liquid exists on the shell or the ambient humidity is higher than a preset value, the controller controls the driving device to act to enable the blocking mechanism to close the opening, a closed space is formed inside the waterproof structure, the entering of external liquid or moisture is avoided, if the liquid does not exist on the shell or the ambient humidity is lower than the preset value, the controller controls the driving device to act to enable the blocking mechanism to open the opening, the internal space of the waterproof structure is communicated with the outside, so that the waterproof structure is arranged to have good air permeability and air conduction performance, and the adverse effect of the waterproof structure on devices arranged in the waterproof structure is reduced, such as a microphone, a loudspeaker or a barometer.
The invention also provides electronic equipment which comprises the waterproof structure, and the electronic equipment adopting the waterproof structure has the same beneficial effects because the waterproof structure has the beneficial effects, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a waterproof structure provided in an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A in FIG. 1;
fig. 3 is a sectional view taken along line B in fig. 1.
In the figure:
1 is a shell; 2 is an opening; 3 is a core body; 4 is a through hole; 5 is an electrode; 6 is an electromagnet; 7 is a rotor; 8 is a permanent magnet; and 9, a magnetic field detection device.
Detailed Description
One of the cores of the present invention is to provide a waterproof structure, which can achieve the purpose of improving the problem of the existing waterproof structure that the air permeability and air conduction performance of the equipment are reduced.
The other core of the invention is to provide the electronic equipment adopting the waterproof structure.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a front view of a waterproof structure according to an embodiment of the present invention, fig. 2 is a sectional view taken along the direction a in fig. 1, and fig. 3 is a sectional view taken along the direction B in fig. 1.
The embodiment of the invention discloses a waterproof structure, which comprises a shell 1, a blocking mechanism, a driving device, a controller, a liquid detection device and/or a humidity detection device,
the casing 1 is used as a whole waterproof structure and is arranged on an installation matching structure of equipment and a protection structure of internal components of the waterproof structure, the casing 1 is provided with an opening 2 for communicating the internal space of the casing 1 with the outside, one or more openings 2 can be arranged, the blocking mechanism is movably arranged on the casing 1, the movement of the blocking mechanism comprises one of linear movement, rotation, swinging and screw feeding movement, and the blocking mechanism can be arranged outside the casing 1, inside the casing 1 or in an interlayer of the casing 1; the driving device is used for driving the blocking mechanism to move, comprises one of a piston cylinder, a linear motor, a rotating motor and a magnetic driving device, and can be driven by other devices; the waterproof structure is provided with at least one of a liquid detection device and a humidity detection device, the number of the liquid detection devices or the humidity detection devices can be one or more, the liquid detection devices and/or the humidity detection devices are exposed out of the shell 1, the liquid detection devices detect whether liquid exists outside the shell 1, and the humidity detection devices are used for detecting the humidity of the environment where the shell 1 is located; the controller controls the driving device to drive the blocking mechanism to move according to the detection signal of the liquid detection device or the humidity detection device so as to open or close the opening 2.
It can be seen that, compared with the prior art, when the waterproof structure provided by the embodiment of the invention is applied, the controller acquires whether liquid exists outside the shell 1 through the liquid detection device, or the controller detects the ambient humidity of the waterproof structure through the humidity detection device, if liquid exists on the shell 1 or the ambient humidity is higher than a preset value, the controller controls the driving device to act to enable the blocking mechanism to close the opening 2, a closed space is formed inside the waterproof structure, and external liquid or moisture is prevented from entering, if no liquid exists on the shell 1 or the ambient humidity is lower than a preset value, the controller controls the driving device to act to enable the blocking mechanism to open the opening 2, so that the internal space of the waterproof structure is communicated with the outside, so that the waterproof structure has good air permeability and air conduction performance, and the adverse effect of the waterproof structure on the performance of devices such as a microphone, a loudspeaker or a barometer and the like arranged in the waterproof structure is reduced.
Preferably, in the embodiment of the present invention, as shown in fig. 2 and 3, the blocking mechanism is provided in the housing 1, the blocking mechanism is provided with the through hole 4, the through hole 4 may be a straight hole as shown in the figure, or may be a bent hole, a curved hole or a Y-shaped hole, the Y-shaped hole is not limited to two branches, each branch of the Y-shaped hole may correspond to one device, the inner space of the housing 1 is communicated with the outside through a channel formed by the through hole 4 and the opening 2, in the use, after blocking mechanism rotated and predetermine the angle, through-hole 4 on the blocking mechanism aligns with opening 2 on the casing 1, and the inside and outside passageway intercommunication that forms through opening 2 and through-hole 4 of casing 1 improves the working effect of the inside device that sets up of casing 1, for example microphone, speaker can receive or propagate sound through this passageway unblockly, and the barometer can accurately acquire ambient pressure.
Further, as shown in fig. 2 and fig. 3, in this embodiment, the blocking mechanism includes a cylindrical core 3 rotatably disposed in the housing 1, the core 3 is radially provided with through holes 4, the driving device can drive the core 3 in a reciprocating manner, i.e. the through holes 4 on the core 3 are aligned with the openings 2 on the housing 1 by rotating forward by a predetermined angle, and the through holes 4 on the core 3 are completely staggered with the openings 2 on the housing 1 by rotating backward by a predetermined angle, but of course, the driving manner can also be a rotation in one direction, for example, in this embodiment, when the through holes 4 on the core 3 are aligned with the openings 2 on the housing 1, the through holes 4 on the core 3 are rotated by 90 ° first, so that the through holes 4 on the core 3 are completely staggered with the openings 2 on the housing 1, so that the openings 2 are closed, and when opening is required, the core 3 can be rotated by 90 ° again in the same direction, so that the other ends of the through holes, the opening of the opening 2 is realized, and of course, the angle of one rotation may be 60 °, 30 ° or the like in this driving manner, depending on the opening manner of the through hole 4 on the core body 3.
It can be understood that, as long as it is ensured that no water is present at the opening 2 of the casing 1 of the waterproof structure of the present application or the humidity does not exceed a preset value, the waterproof performance of the waterproof structure can be generally ensured, and for this reason, the liquid detection device and/or the humidity detection device are/is at least arranged at one side of the opening 2.
Specifically, in the embodiment of the present invention, the liquid detection device includes an oscillation circuit and two detection electrodes 5, the two detection electrodes 5 are connected to the controller through the oscillation circuit, the two detection electrodes 5 are disposed outside the housing 1, the oscillation circuit is composed of an inverter and a resistance capacitor, when no liquid exists, the impedance between the two electrodes 5 is large, the oscillation frequency is low, when liquid exists between the two electrodes 5, the electrodes 5 form a loop through the liquid, the impedance decreases, the oscillation frequency increases, the oscillation frequency is detected by the controller, and the controller controls the driving device to operate.
Of course, the liquid detection means may also take other configurations, such as a humidity sensitive resistor, a photo sensor, etc. The humidity detection device may employ a humidity sensor.
Preferably, the driving device includes an electromagnet 6 and a rotor 7, the rotor 7 is configured to drive the shielding mechanism to rotate, permanent magnets 8 are respectively disposed at two ends of the rotor 7, polarities of the two permanent magnets 8 may be the same or opposite, the structure of the electromagnet 6 may be designed according to the polarities of the permanent magnets 8 at two ends of the rotor 7, the rotor 7 is reciprocally disposed between two ends of the electromagnet 6, a coil of the electromagnet 6 is connected to the controller through a commutation circuit, and the controller changes an electrified positive pole and a negative pole of the coil through the commutation circuit, so as to change the polarities at two ends of the electromagnet 6.
Specifically, in one embodiment of the present invention, the electromagnets 6 include a first electromagnet 6 and a second electromagnet 6, the rotor 7 is disposed between the first electromagnet 6 and the second electromagnet 6, the polarities of the permanent magnets 8 at the two ends of the rotor 7 are opposite, and the polarities of the ends of the first electromagnet 6 and the second electromagnet 6 facing the rotor 7 are the same, so that the rotor 7 can be driven to reciprocate between the first electromagnet 6 and the second electromagnet 6 by changing the polarities of the first electromagnet 6 and the second electromagnet 6, thereby realizing the rotation of the core 3.
After the driving device drives the blocking mechanism to move in place, before the controller sends a new command according to a detection signal of the liquid detection device or the humidity detection device, the blocking mechanism needs to be kept at the current position, and the driving device is always kept in a working state in order to keep the current position, which is power-consuming, for intelligent wearable equipment, power consumption must be controlled, and for some driving devices, such as motors, the driving devices are always powered on and in a locked-rotor state, which easily causes overheating and even burning of the motors, and also causes temperature rise inside the waterproof structure, which easily causes adverse effects on other devices, therefore, the waterproof structure further comprises a position detection device connected with the controller, and the controller controls the driving device to stop after the position detection device detects that the shielding mechanism moves in place, namely, the power supply of the driving device is cut off, so that the electric quantity of equipment is saved.
Further, in order that the blocking mechanism can be kept at the current position under the condition that the driving device is powered off, a damping device is further arranged between the blocking mechanism and the shell, and the damping provided by the damping device to the blocking mechanism is smaller than the driving force provided by the driving device.
The damping device can be a silica gel pad or a rubber pad arranged between the blocking mechanism and the shell, and the silica gel pad or the rubber pad can provide damping for the blocking mechanism and can also play a role in sealing between the blocking mechanism and the shell, so that the blocking of the opening by the blocking mechanism is realized.
Based on the magnetic driving structure, the position detection device comprises a magnetic field detection device 9, the magnetic field detection device 9 is arranged in the shell 1, the magnetic field detection device 9 is used for detecting a magnetic field generated by the permanent magnet 8 at the end of the rotor 7, the controller judges whether the rotor 7 moves in place according to the strength of the magnetic field detected by the magnetic field detection device 9, when the rotor 7 moves in place, the in place refers to an opening position and a closing position of the opening 2, the distance between the magnetic field detection device 9 and the permanent magnet 8 at the end of the rotor 7 is the shortest, the magnetic field detected by the magnetic field detection device 9 is the largest, the controller judges that the rotor 7 moves in place at the moment, and the power supply of the.
Specifically, the magnetic field detection device 9 is a hall sensor.
An embodiment of the present invention provides an electronic device, which includes the waterproof structure described in the above embodiment, and as the waterproof structure has the above technical effects, please refer to the above embodiment for the technical effects of the device adopting the waterproof structure. The electronic equipment can be intelligent wearing equipment such as intelligent wrist-watch, intelligent bracelet, also can be other equipment that have waterproof demand.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A waterproof structure characterized by comprising:
the device comprises a shell and a blocking mechanism, wherein the blocking mechanism is movably arranged on the shell, and the shell is provided with an opening for communicating the inner space of the shell with the outside;
the driving device is used for driving the blocking mechanism to move;
a liquid detection device and/or a humidity detection device exposed out of the housing;
and the controller controls the driving device to drive the blocking mechanism to move according to a detection signal of the liquid detection device or the humidity detection device so as to open or close the opening.
2. The waterproof structure according to claim 1, wherein the blocking mechanism is provided in the housing, the blocking mechanism is provided with a through hole, and an internal space of the housing is communicated with the outside through a passage formed by the through hole and the opening.
3. The waterproof structure according to claim 2, wherein the blocking mechanism includes a cylindrical core rotatably disposed in the housing, and the core has the through hole radially opened thereon.
4. A water-repellent structure according to any one of claims 1 to 3, characterized in that said liquid detection means and/or said humidity detection means are provided at least on one side of said opening.
5. The waterproof structure according to any one of claims 1 to 3, wherein the liquid detection device includes an oscillation circuit and two detection electrodes, the two detection electrodes are electrically connected to the controller through the oscillation circuit, and the two detection electrodes are exposed to the housing.
6. A water repellent structure according to any of claims 1 to 3, wherein said drive means comprises one of a piston cylinder, a linear motor, a rotary motor and a magnetic drive means.
7. The waterproof structure according to any one of claims 1 to 3, wherein the driving device comprises an electromagnet and a rotor for driving the shielding mechanism to rotate, permanent magnets are respectively disposed at two ends of the rotor, the rotor is reciprocally disposed between two ends of the electromagnet, and a coil of the electromagnet is electrically connected to the controller through a reversing circuit.
8. The waterproof structure according to claim 7, further comprising a position detection device electrically connected to the controller, wherein the controller controls the driving device to stop after the position detection device detects that the shutter mechanism is moved in position.
9. The waterproof structure according to claim 8, wherein the position detection device includes a magnetic field detection device disposed in the housing, the magnetic field detection device is configured to detect a magnetic field generated by the permanent magnet at the end of the rotor, and the controller determines whether the rotor is moved in place according to the strength of the magnetic field detected by the magnetic field detection device.
10. An electronic device characterized by comprising the waterproof structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579189.6A CN112770563B (en) | 2020-12-28 | 2020-12-28 | Electronic equipment and waterproof construction thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579189.6A CN112770563B (en) | 2020-12-28 | 2020-12-28 | Electronic equipment and waterproof construction thereof |
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| Publication Number | Publication Date |
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| CN112770563A true CN112770563A (en) | 2021-05-07 |
| CN112770563B CN112770563B (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011579189.6A Active CN112770563B (en) | 2020-12-28 | 2020-12-28 | Electronic equipment and waterproof construction thereof |
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| CN (1) | CN112770563B (en) |
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| CN212064555U (en) * | 2020-03-14 | 2020-12-01 | 深圳市华夏光彩股份有限公司 | Outdoor display device |
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| CN1367576A (en) * | 2001-01-26 | 2002-09-04 | 松下电工株式会社 | Driving control method for linear vibratory motor and driving control device |
| CN1312608A (en) * | 2001-04-09 | 2001-09-12 | 邱兆云 | Permanent magnetic DC incremental motor |
| CN101392584A (en) * | 2008-10-15 | 2009-03-25 | 王金友 | Electric awning and rain detecting sensor |
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| Publication number | Publication date |
|---|---|
| CN112770563B (en) | 2022-06-28 |
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Effective date of registration: 20221219 Address after: 266104 No. 500, Songling Road, Laoshan District, Qingdao, Shandong Patentee after: GOERTEK TECHNOLOGY Co.,Ltd. Address before: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronics office building) Patentee before: GoerTek Optical Technology Co.,Ltd. |
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