CN212360311U - Fan cover and electronic equipment with same - Google Patents

Abstract

The utility model provides a fan cover and an electronic device with the fan cover, which comprises a frame body and a blowing element, wherein the frame body is hollow and forms an air channel, and the blowing element is accommodated in the air channel; the fan cover comprises a baffle plate which is rotatably connected to the inner wall of the frame body; the baffle comprises a wind shielding part, and the baffle has a first state and a second state which are different in rotation angle relative to the frame body; in the embodiment, the fan cover is used for ventilation and heat dissipation of the monitoring camera in the field of electronic equipment, and the fan cover can perform air cooling and heat dissipation on high-heat-function components such as an image sensor in the monitoring camera through self-blowing cold air. The utility model also provides an electronic equipment of using above-mentioned fan casing, this electronic equipment has improved the dampproofing ability of self through using above-mentioned fan casing, and whole electronic equipment's reliability improves, has extensive application prospect.

Description

Fan cover and electronic equipment with same

Technical Field

The utility model relates to a technical field of dampproofing equipment, in particular to fan casing and have electronic equipment of this fan casing.

Background

The fan cover is a functional component which can realize air circulation by blowing air, and can be directly used as a wind power source in mechanical equipment and used as a heat dissipation source of air cooling in electronic equipment. Although mechanical equipment or electronic equipment is often provided with a water vapor isolation measure, the working environment of the mechanical equipment or electronic equipment inevitably contacts water vapor, so that the use stability and safety of the mechanical equipment or electronic equipment are reduced. Taking air-cooling heat dissipation of electronic equipment as an example, if water vapor enters the heat dissipation channel under the agitation of the fan cover and contacts with a high heat element of the electronic equipment, the electronic equipment is slightly affected by damp and damaged, and even the electronic equipment is burnt out due to short circuit in severe cases. At present, the multi-purpose rain shade for the electronic equipment cannot completely shield water vapor on the basis of guaranteeing the ventilation property, and cannot effectively protect the electronic equipment.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide an improved fan cover solution for effectively blocking moisture in air from entering an electronic device on the premise of ensuring ventilation performance, so as to achieve a moisture-proof function.

The utility model provides a fan cover, which comprises a frame body, wherein the frame body is hollow and forms an air channel, an air inlet and an air outlet are respectively arranged at two ends of the air channel, the fan cover comprises a baffle, and the baffle is rotatably arranged in the frame body; the baffle comprises a wind shielding part and a dust prevention part connected with the wind shielding part, a plurality of through holes are formed in the dust prevention part, and the baffle has a first state and a second state which are different in rotation angle relative to the frame body;

in the first state, the wind shielding part is shielded between the air inlet and the air outlet of the frame body;

in the second state, the dustproof portion is shielded between the air inlet and the air outlet of the frame body.

So set up for the fan casing has ensured the air permeability again when having dampproofing function.

In one embodiment, the windshield is switched to the first state by the gravity of the windshield.

So set up, can make equipment structure simple, control is convenient.

In one embodiment, the shape of the wind shielding part is the same as that of the cross section enclosed by the inner wall of the air duct; and/or the shape of the dustproof part is the same as that of the cross section formed by the inner wall of the air duct in a surrounding mode. The arrangement is that when the wind shield part shields the wind channel, the wind channel can be completely shielded, and gas is isolated from flowing through the wind channel; when the dustproof part shields the air duct, the air duct can be perfectly shielded, and dust is prevented from flowing into the equipment through the air duct.

In one embodiment, one end of the dust-proof part is fixedly connected with one end of the windshield part, and the dust-proof part and the windshield part are arranged in an inclined mode.

By the arrangement, at least one of the dustproof part and the wind shielding part can shield the wind channel in the working process of the equipment. Fan case in one embodiment, the dust-proof portion is disposed perpendicular to the wind-blocking portion.

Can be so that wind-break portion and dust-proof part are at the in-process of conversion, and the wind channel inner wall can be spacing to wind-break portion and dust-proof part.

In one embodiment, the fixed connection position of the dust-proof part and the wind-shielding part is rotatably connected to the inner wall of the air duct.

So set up, the rotation each other that windshield portion and dust keeper can be nimble relatively.

In one embodiment, the inner wall of the air duct can limit the rotation angle between the wind shielding portion and the dust preventing portion, in the first state, the wind shielding portion is attached to the inner wall of the air duct, the dust preventing portion shields the air duct, in the second state, the dust preventing portion is attached to the inner wall of the air duct, and the wind shielding portion shields the air duct.

So set up, through spacing with the dust guard portion to the portion of keeping out the wind, can improve and ensure its gas permeability again in the leakproofness of fan casing, the better dust and the steam to in the air restrict for the performance that the fan casing can be stable.

In one embodiment, the blowing assembly comprises a fan cover and a blowing element, and the blowing element is arranged at one end, relatively close to the air outlet, in the air duct.

By such arrangement, the air flow passing through the fan cover is increased, and the flow speed is increased.

In one embodiment, there is also a blowing assembly, the dust-proof portion being switched from the first state to the second state by wind power supplied from the blowing member.

By such an arrangement, the shutter can be freely switched between the first state and the second state.

In one embodiment, in order to enable the blowing assembly to be better applied, the electronic device further comprises the blowing assembly, and the blowing assembly is the blowing assembly.

So set up for each electronic equipment improves the dampproofing ability of self, makes whole electronic equipment's reliability improve, has extensive application prospect.

In the above-mentioned ventilation unit that can automatically regulated, through the setting of baffle and the switching of the first state of wind-break portion and second state for equipment possesses under damp-proofing condition, the dirt-proof function of compatible regulation, and the device design is succinct, and is with low costs, and the reliability is high. The humidity inductor can accurately evaluate the humidity content in the air at that time, and further can have more intelligent adjusting baffle plates to protect the electronic devices in the equipment.

Drawings

Fig. 1 is a schematic structural diagram of a fan cover 100 in an activated state according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the fan cover 100 shown in fig. 1 in a closed state.

100. A fan housing; 10. a frame body; 11. a frame first end; 111. an air inlet; 12. a second end of the frame; 121. An air outlet; 13. an air duct; 20. a blowing member; 30. a baffle plate; 31. a wind shield portion; 32. a dust-proof portion; 40. A humidity sensor; 50. and fixing the bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram of a fan cover 100 in an activated state according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of the fan cover 100 in a closed state shown in fig. 1.

The fan cover 100 is used for ventilation and exhaust in the fields of electronic equipment, smart home, industrial equipment, and the like.

In the present embodiment, the fan cover 100 is used for ventilation and heat dissipation of a monitoring camera in the field of electronic devices, and the fan cover 100 can perform air cooling and heat dissipation for high-heat-function components such as an image sensor in the monitoring camera through self-blowing cold air.

It is understood that in other embodiments, the fan cover 100 may also perform heat dissipation for electronic devices such as a host motherboard of a computer, a television, and an LED electronic display screen, perform ventilation maintenance for devices such as a transformer, a transformer box, and a control unit of a mechanical device, and perform a blowing task as a functional element in industrial devices such as a blower and a blower.

The fan housing 100 includes a frame 10 through which air flows, the air entering the interior of the frame 10 through a first end of the frame 10 and exiting through a second end of the frame 10.

The existing fan cover 100 cannot give consideration to the realization of the blowing function and the guarantee of the moisture-proof effect, for example, the existing electronic equipment mostly utilizes the ventilation holes on the rain cover to realize ventilation, and simultaneously utilizes the entity of the rain cover to realize rain shielding. However, the rain shade can not completely shield rainwater when the water amount is large, and partial rainwater can still enter the ventilation pipeline through the holes in the rain shade.

In order to solve the problem of dampproofing and sealed steam, the utility model provides a fan casing 100 sets up the baffle 30 that can overturn in the inside of framework 10, makes fan casing 100 not only can guarantee the ventilation effect through the switching between two states of baffle 30, can also compromise tight and reliable waterproof ability.

In an embodiment of the present invention, the fan cover 100 includes a frame 10, the frame 10 is hollow and forms an air duct 13, both ends of the air duct 13 are respectively provided with an air inlet 111 and an air outlet 121, the fan cover includes a baffle plate, and the baffle plate 30 is rotatably disposed in the frame 10; the baffle 30 comprises a wind shielding part 31 and a dust preventing part 32 connected with the wind shielding part, a plurality of through holes are arranged on the dust preventing part 32, and the baffle 30 has a first state and a second state which have different rotation angles relative to the frame body 10; in the first state, the wind blocking portion 31 blocks between the wind inlet 111 and the wind outlet 121 of the frame 10; in the second state, the dust-proof portion 32 is shielded between the air inlet 111 and the air outlet 121 of the housing 10.

It is understood that in other embodiments, the wind blocking portion 31 may block air from passing through the air duct 13 in other manners such as a manner of not adhering to the inner wall of the air duct 13 in the first state; the dust-proof portion 32 may prevent dust in the air from passing through the air duct 13 in other manners such as a manner of not completely shielding the air duct 13 in the second state.

So set up for fan casing 100 has ensured the air permeability again when having dampproofing function.

In an embodiment of the present invention, the windshield 31 is switched to the first state by the gravity of the windshield 31.

The wind blocking portion 31 falls downward by its own weight to shield the air duct 13, and is switched to the first state.

Specifically, the windshield portion 31 and the dust-proof portion 32 are provided in the form of flat plates having the same cross-sectional shape as the inner wall of the air duct 13 and fitting with each other.

It is understood that the wind-blocking portion 31 may be configured in any shape other than the shape matched with the cross section of the wind channel 13, such as a circular shape, as long as the wind channel 13 can be shielded.

Considering that fine objects such as dust and flying debris in the air enter the monitoring camera and may cause damage to functional components in the monitoring camera, the fan cover 100 is also required to have a dustproof function in order to have better stability of the monitoring camera.

In an embodiment of the present invention, the baffle 30 further includes a dust-proof portion 32, and the dust-proof portion 32 is fixedly connected to the windshield portion 31 and is disposed obliquely between the dust-proof portion 32 and the windshield portion 31.

In one embodiment, one end of the dust-proof portion 32 is fixedly connected to one end of the wind-shielding portion 31, and the fixed connection portion of the dust-proof portion 32 and the wind-shielding portion 31 is rotatably connected to the inner wall of the wind channel 13.

Specifically, the utility model discloses well dust guard 32 sets up to the same and dust screen of mutually supporting of cross section that encloses with wind channel 13 inner wall.

It can be understood that the dust-proof part 32 of the present invention can be further configured to be other functional members capable of shielding dust besides the dust-proof net, such as dust-proof gauze, and can be connected with two side plates of the frame body 10 in a rotatable manner except for the top plate in a rotatable manner.

So set up, in blowing component 20 bloated the air and getting into wind channel 13 from the first end of framework 10, pass through the inside dustproof portion 32 in wind channel 13 again, dustproof portion 32 has certain ability of blockking to dust in the air for the dust content in the air that gets into surveillance camera head functional area reduces, makes surveillance camera head's function more stable.

The utility model discloses still include the subassembly of blowing of using above-mentioned fan casing 100, the subassembly of blowing is still including the component 20 of blowing.

In one embodiment, the blowing component 20 is disposed at an end of the air duct 13 relatively close to the air outlet, and the blowing component 20 is activated to accelerate the circulation of air in the fan housing, thereby facilitating the heat dissipation of the device.

In some operating conditions, the fan cover 100 needs to have a moisture-proof function, so that the humidity in the air needs to be detected.

In an embodiment of the present invention, the fan cover 100 further includes a humidity sensor 40, the humidity sensor 40 is located on one side of the blowing element 20 away from the baffle 30 and is installed in the air duct 13, and the humidity sensor 40 is used for detecting and measuring the humidity content in the air.

Specifically, the humidity sensor 40 is disposed between the blowing member 20 and the second end of the frame body 10. It is understood that the humidity sensor 40 may be disposed at any position other than the above-mentioned installation position, such as between the first end of the frame 10 and the baffle 30, as long as the function of detecting the humidity content in the air is achieved.

In the present embodiment, the fan cover 100 uses the humidity sensor 40 to detect the moisture content in the air. It is understood that fan housing 100 may employ any device that detects the moisture content of air other than moisture sensor 40, such as an air detector.

The humidity sensor 40 enables the fan cover 100 to detect a change in humidity in the air, so as to ensure safety and stability of the fan cover 100 during operation.

In an embodiment of the present invention, the fan cover 100 further includes a circuit board (not shown), and the circuit board controls the start and stop of the blowing element 20 according to the humidity signal sensed by the humidity sensor 40. The humidity sensor 40 transmits a signal of the humidity of the air it monitors to the circuit board, which controls the blowing member 20 so that the wind shielding portion 31 and the dust preventing portion 32 in the baffle 30 are switched with each other.

Specifically, the circuit board is located on one side of the blowing element 20 away from the baffle 30 and is installed in the air duct 13, receives the humidity signal transmitted by the humidity sensor 40, and determines whether the humidity signal is within a threshold range to control the starting and stopping of the blowing element 20; when the humidity content is lower than the threshold value, the humidity sensor 40 transmits a humidity signal to the circuit board, the circuit board controls the starting of the blowing element 20 according to the humidity signal, at the moment, the wind shielding part 31 is attached to the inner wall of the air duct 13, and the dust prevention part 32 shields the air duct 13; when the humidity content is higher than the threshold value, the humidity sensor 40 transmits the humidity signal to the circuit board, the circuit board controls the blowing element 20 to stop according to the humidity signal, the wind channel 13 is shielded by the falling of the wind shielding part 31 at the moment, the dust prevention part 32 is attached to the inner wall of the wind channel 13, and air cannot pass through the wind channel 13 to isolate water vapor. It will be appreciated that the electronic signal processing circuit board may be replaced by other electronic signal processing electronics, and that the circuit board may be located at other locations that receive the signal from the humidity sensor 40, in addition to being located at a side remote from the baffle 30 and mounted in the air duct 13.

The circuit board or other electronic device capable of processing electronic signals can make the fan cover 100 more intelligent and better able to shield moisture.

Since the windshield portion 31 and the dust-proof portion 32 of the baffle 30 cannot rotate or move at will during operation, the windshield portion 31 and the dust-proof portion 32 of the baffle 30 need to be restricted.

In the utility model, the rotation angles of the wind shielding part 31 and the dust preventing part 32 in the vertical state can be limited by the inner wall of the wind channel 13, in the second state, the wind shielding part 31 is attached to the inner wall of the wind channel 13, the dust preventing part 32 shields the wind channel 13, in the first state, the dust preventing part 32 is attached to the inner wall of the wind channel 13, and the wind shielding part 31 shields the wind channel 13; or, the fan cover 100 further includes a limiting block disposed in the air duct 13 for limiting a rotation angle of the baffle 30.

Specifically, the wind shielding portion 31 and the dust preventing portion 32 are arranged perpendicularly, as shown in fig. 1, when the blowing element 20 works, air enters from the first end of the frame body 10, passes through the air duct 13 and blows out from the second end of the frame body 10, in the process, the air flow can enable the dust preventing portion 32 to shield the air duct 13, the dust preventing portion 32 is perpendicular to the inner wall of the air duct 13, and the wind shielding portion 31 is attached to the inner wall of the air duct 13, so that the dust preventing function is realized, meanwhile, the wind shielding portion 31 can limit the dust preventing portion 32, and insufficient dust prevention caused by excessive rotation of the dust preventing portion 32 is prevented; as shown in the figure, when blowing component 20 stop work, baffle 30 can be rotatory under the effect of gravity for wind-break portion 31 shields wind channel 13, and dust-proof portion 32 laminating wind channel 13 inner wall this moment, wind-break portion 31 perpendicular to wind channel 13 inner wall, dust-proof portion 32 can be spacing wind-break portion 31 when wind channel 13 is sealed to wind-break portion 31, prevents that wind-break portion 31 from rotating too much and leading to shielding steam inadequately.

It is understood that the vertical arrangement in this application is not exactly 90 °, and deviations from partial angles are also intended to be within the scope of the present invention. The windshield portion 31 and the dust-proof portion 32 may be at an angle other than 90 °, such as 60 ° or 80 °, as long as the two can be restricted from each other.

The utility model discloses an in one embodiment, set up a stopper on the inner wall of wind channel 13 in the framework 10, it is concrete, wind-break portion 31 rotates with dustproof portion 32 and connects on wind channel 13 inner wall and not link firmly each other, on the wind channel 13 inner wall and at a limiting plate of baffle 30 opposite face installation, can restrict wind-break portion 31 and dustproof portion 32. When the blowing element 20 is started, the wind shielding part 31 does not shield the wind channel 13, and the dust preventing part 32 shields the wind channel 13 and does not rotate under the action of the limiting block; when the blowing element 20 stops, the wind shielding portion 31 shields the wind channel 13 and cannot rotate freely under the action of the stopper. It is understood that the limiting of the windshield 31 and the dust-proof 32 may be other limiting methods than the above-described limiting method of providing the limiting blocks.

The limit of the wind shielding part 31 and the dust preventing part 32 can improve the sealing performance of the fan cover 100 and ensure the air permeability of the fan cover, and dust and water vapor in the air are better limited, so that the fan cover 100 can play a role stably.

In the present invention, in order to firmly fix the blowing element 20 in the frame 10, the fan cover 100 further includes a fixing bracket 50, and the fixing bracket 50 is used to fixedly mount the blowing element 20 on the inner wall of the frame 10. The blowing member 20 is mounted on the fixing bracket 50 by using the fixing bracket 50 and the screw fastener, and then the fixing bracket 50 is mounted in the wind tunnel 13 between the baffle 30 and the second end. It is understood that the blowing member 20 may be fixedly installed by a fixing member other than the fixing bracket 50.

The fixed connection of the blowing element 20 can make the fan cover 100 work stably and continuously, and the protection of the monitoring camera can be more durable.

In an embodiment of the present invention, the fan cover 100 further includes a driving member (not shown), and the driving member is connected to the baffle 30 and can drive the wind shielding portion 31 and the dust shielding portion 32 of the baffle 30 to switch between the first state and the second state.

It can be understood that, by connecting the driving member to the baffle 30, the manner in which the windshield portion 31 and the dust-proof portion 32 in the baffle 30 can be switched between the first state and the second state is only one manner of driving the windshield portion 31 and the dust-proof portion 32 to be switched with each other, and the windshield portion 31 and the dust-proof portion 32 can also be driven to rotate with each other by other manners.

The switching mode of the driving piece driving the baffle 30 can more efficiently control the baffle 30 to switch between the first state and the second state, thereby avoiding errors.

In one embodiment of the present invention, an air duct 13 is formed inside the frame 10, an air inlet 111 is disposed at a first end of the frame 10, and an air outlet 121 is disposed at a second end of the frame 10; the blowing member 20 is disposed inside the wind tunnel 13 between the first end and the second end.

Specifically, the second end of the housing 10 is disposed opposite to the functional elements of the monitoring camera device. When the blowing element 20 is started, the blowing element 20 will blow air to make the air enter the frame 10 from the first end of the frame 10, and then the air blows the functional element of the monitoring camera through the second end of the frame 10, and the frame 10 and the air duct 13 are both rectangular; the first end and the second end of the frame body 10 are arranged oppositely; the cross sections of the air ducts 13 are square holes; the material used for the frame body 10 is stainless steel.

It is understood that the frame 10 may also be in other shapes than rectangular, such as cylindrical, triangular prism, etc., and the air duct 13 may also be in other shapes than rectangular, such as cylindrical cavity; the first end and the second end of the frame 10 can also adopt 90 degrees or form other inclination angles; the cross sections of the air inlet 111 and the air outlet 121 can also be circular, oval, and other shapes besides square.

The frame 10 can contain the blower unit 20, the baffle 30, the humidity sensor 40, and the like, and has a protective function for each unit.

Preferably, in the present invention, when the blowing element 20 is started, the wind shielding portion 31 is in the first state, and the wind shielding portion 31 is attached to the inner wall of the air duct 13, as shown in fig. 1; when the blowing unit 20 stops, the wind shielding portion 31 is in the second state, and the wind shielding portion 31 shields the wind channel 13, as shown in fig. 2.

The utility model also provides an electronic equipment (not shown) of using above-mentioned subassembly of blowing, the subassembly of blowing is foretell subassembly of blowing. This electronic equipment has improved the dampproofing ability of self through using above-mentioned subassembly of blowing, and whole electronic equipment's reliability improves, has extensive application prospect.

If the fan cover 100 is installed in the monitoring camera, the air outlet 121 of the air duct 13 is arranged opposite to functional elements such as an image sensor, so that the monitoring camera has a moisture-proof function and simultaneously keeps a ventilation and heat dissipation function for the functional elements.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a fan casing (100), includes framework (10), the inside cavity of framework (10) forms wind channel (13), wind channel (13) both ends are equipped with air intake (111) and air outlet (121) respectively, its characterized in that: the fan cover (100) comprises a baffle plate (30), and the baffle plate (30) is rotatably arranged in the frame body (10); the baffle (30) comprises a wind shielding part (31) and a dust preventing part (32) connected with the wind shielding part (31), and the baffle (30) has a first state and a second state which are different in rotation angle relative to the frame body (10);

in the first state, the wind shielding part (31) is shielded between the air inlet (111) and the air outlet (121) of the frame body (10);

in the second state, the dust-proof portion (32) is shielded between the air inlet (111) and the air outlet (121) of the frame (10).

2. The fan cover (100) according to claim 1, wherein the wind blocking portion (31) is switched to the first state by a gravity of the wind blocking portion (31).

3. The fan cover (100) according to claim 1, wherein the shape of the wind shielding portion (31) is the same as the shape of the cross section surrounded by the inner wall of the wind tunnel (13); and/or the presence of a catalyst in the reaction mixture,

the shape of the dust-proof part (32) is the same as the shape of the cross section enclosed by the inner wall of the air duct (13).

4. The fan cover (100) according to claim 1, wherein one end of the dust-proof portion (32) of the fan cover (100) is fixedly connected with one end of the wind-blocking portion (31), and the dust-proof portion (32) and the wind-blocking portion (31) are arranged obliquely to each other.

5. The fan cover (100) according to claim 4, wherein the dust-proof portion (32) is provided perpendicular to the wind-blocking portion (31).

6. The fan cover (100) according to claim 1, wherein the fixed connection of the dust-proof part (32) and the wind-blocking part (31) is rotatably connected to the inner wall of the air duct (13).

7. The fan cover (100) according to claim 1, wherein the inner wall of the wind channel (13) can define a rotation angle between the wind shielding portion (31) and the dust preventing portion (32), in a first state, the wind shielding portion (31) is attached to the inner wall of the wind channel (13), the dust preventing portion (32) shields the wind channel (13), in a second state, the dust preventing portion (32) is attached to the inner wall of the wind channel (13), and the wind shielding portion (31) shields the wind channel (13).

8. A blowing assembly comprising a blowing component (20) and a fan housing (100), wherein the fan housing (100) is the fan housing (100) of any one of claims 1 to 7, and the blowing component (20) is disposed at an end of the air duct (13) relatively close to the air outlet (121).

9. Blowing assembly according to claim 8, characterized in that the dust protection (32) is switched from the first state to the second state by the wind force provided by the blowing element (20).

10. An electronic device comprising a blowing assembly, wherein the blowing assembly is the blowing assembly of any one of claims 8 to 9.

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