CN215595949U - Net cover and fan - Google Patents
Net cover and fan Download PDFInfo
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- CN215595949U CN215595949U CN202121599620.3U CN202121599620U CN215595949U CN 215595949 U CN215595949 U CN 215595949U CN 202121599620 U CN202121599620 U CN 202121599620U CN 215595949 U CN215595949 U CN 215595949U
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- gear
- mesh enclosure
- moving grid
- motor
- fan
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Abstract
The application provides a screen panel and fan, wherein, the screen panel includes: a hollow cover body; a plurality of moving grid segments spaced within the housing; and a proximity sensor that is provided in the cover body and emits a closing signal that closes the moving grid plate when detecting that an object is close to the cover body and emits an opening signal that opens the moving grid plate when detecting that the object is away from the cover body. The mesh enclosure of this application can guarantee the safety of use, also can possess great air inlet and air-out amount of wind under the circumstances of allowwing.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a mesh enclosure and a fan.
Background
The electric fans of different types such as the circulating fan that uses at present, because it is rotatory and carry out the air supply to drive the fan blade by itself by the motor, consider the safety in utilization problem, especially there is children's family in the family, avoid children to stretch into and lead to the incident because of curiosity's handle, present fan product, air intake and air outlet have all made the latticed or spiral helicine form that the clearance is very little, because these structural design, although certain security has been guaranteed, but still have the risk to less children, also lead to the more decay that blocks of air inlet and air output, need bigger power to satisfy the result of use.
In order to overcome the drawbacks of the prior art, a mesh enclosure and a fan are needed.
SUMMERY OF THE UTILITY MODEL
The mesh enclosure can ensure the safety of the use process and can also have larger air inlet and outlet volume under the allowable condition.
In a first aspect, the present application provides a mesh enclosure, wherein the mesh enclosure comprises:
a hollow cover body;
a plurality of moving grid segments spaced within the housing; and
a proximity sensor disposed within the housing and emitting a closing signal that closes the moving grid segments when an object is detected to be close to the housing and emitting an opening signal that opens the moving grid segments when the object is detected to be far from the housing.
In one possible implementation manner of the first aspect, the method further includes: a first motor interfacing with the proximity sensor and the moving grid plate, wherein the proximity sensor sends a close signal or an open signal to the first motor to cause the first motor to drive the moving grid plate to close or open.
In a possible embodiment of the first aspect, the first gear is mounted at a rotation shaft end of the first motor, and the first gear is connected to each of the movable grid segments.
In one possible embodiment of the first aspect, the movable grid plate further comprises a second gear, and the first gear is connected with each movable grid plate through the second gear.
In a possible embodiment of the first aspect, the inner teeth of the second gear are matched with the outer teeth of the first gear, and the outer edge of the second gear is convexly provided with a plurality of protrusions corresponding to the movable grid plates, and the protrusions are connected with the movable grid plates so as to close or open the movable grid plates through the rotation of the second gear.
In a possible embodiment of the first aspect, a locking groove for locking the floating grid plate is provided between two adjacent protrusions.
In a possible embodiment of the first aspect, an L-shaped connecting rod is protruded from an end of the movable grid plate close to the slot, and the L-shaped connecting rod is engaged with the slot.
In one possible implementation manner of the first aspect, the method further includes: and the limiting structure is used for limiting the first motor to rotate in a preset area.
In a second aspect, the present invention further provides a fan, wherein the fan includes the mesh enclosure as described above.
In one possible embodiment of the second aspect, the method further comprises: the fan blade and drive fan blade pivoted main motor, the proximity sensor of screen panel with main motor meets, wherein, when the proximity sensor launches the close signal that makes the activity grid piece of screen panel closes, the rotational speed of main motor reduces.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the utility model is achieved.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic view of a wind shield of the present invention;
FIG. 2 shows a schematic view of the hood of the present invention in an open state;
FIG. 3 shows a perspective view of the hood of the present invention in a closed state; and
fig. 4 shows a partially enlarged view of the wind shield of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The utility model will be further explained with reference to the drawings.
Ordinary fan on the present market (including the thermantidote, the floor fan, the table fan, the circulation fan, the tower fan) can blow and just realize through the inside high-speed rotatory fan blade of machine, because there are air intake and air outlet, in order to avoid the staff to stretch into, especially child (curiosity orders about), cause bodily injury and fan blade, the damage of motor, so air intake and air outlet have all used more intensive net type screen panel, every brand of pattern of net, every kind is different, also have the difference, but the common point is exactly intensive, ensure that the staff can't stretch into. Due to the existence of the mesh enclosures, the air inlet and the air outlet have larger blocking force, so that the corresponding air speed and effective air supply distance are realized, a motor with more standby power needs to be selected, the power of the whole machine is larger, and the power consumption is correspondingly increased.
To solve the above problem, the present invention provides a mesh enclosure, as shown in fig. 1 to 4, the mesh enclosure of the present invention includes:
the air purifier comprises a hollow cover body 1, a plurality of movable grating pieces 2 (also called as air guide pieces) and a proximity sensor (not shown in the figure), wherein the movable grating pieces 2 are arranged in the cover body 1 at intervals, the proximity sensor is arranged in the cover body 1 and emits a closing signal for closing the movable grating pieces 2 when detecting that an object (such as a person) is close to the cover body 1, and emits an opening signal for opening the movable grating pieces 2 when detecting that the object is far away from the cover body 1.
The mesh enclosure provided by the utility model provides a new structure of an air inlet and an air outlet, through position monitoring, when a person approaches, the air inlet and the air outlet are closed, and when the person leaves, the corresponding positions are opened again; through this new-type structure can guarantee the safety of use, also can possess bigger air inlet and air-out amount of wind under the circumstances that allows.
Further, the mesh enclosure of the present invention further comprises a first motor 3 (e.g., a stepping motor), the first motor 3 is connected to a proximity sensor and the movable grid pieces 2, wherein the proximity sensor sends a closing signal or an opening signal to the first motor so that the first motor 3 drives the movable grid pieces 2 to close or open.
In a specific embodiment, the driving portion of the first motor 3 is engaged with the external teeth of the first gear 4, the first gear 4 is mounted on the end of the rotating shaft of the first motor 3, and the first gear 4 is connected to each of the movable grid segments 2. Preferably, the rotating shafts of the first motors 3 are arranged on the plurality of sheet bodies 4 in a protruding mode, and the sheet bodies 4 rotate in the limiting structures 6, so that the limiting structures 6 limit the first motors 2 to rotate in the preset area.
Furthermore, the mesh enclosure of the utility model also comprises a second gear 5, and the first gear 4 is connected with each movable grid sheet 2 through the second gear 5.
In a specific embodiment, the internal teeth of the second gear 5 are engaged with the external teeth of the first gear 4, the second gear 5 is driven to rotate by the rotation of the first gear 4, and the moving grid plates 2 are closed or opened by the rotation of the second gear 5.
Preferably, the outer edge of the second gear 5 is convexly provided with a plurality of protrusions 51 corresponding to the moving grid pieces 2, and the protrusions 51 are connected with the moving grid pieces 2.
In an embodiment of the present invention, a slot 52 engaged with the movable grid 2 is disposed between two adjacent protrusions 51, an L-shaped link 21 is disposed at an end of the movable grid 2 close to the slot 52 (or close to the second gear), and the L-shaped link 21 is engaged with the slot 52, but other manners may be adopted to connect the protrusions 51 with the movable grid 2, which is not limited in particular, and is within the scope of the present invention.
An embodiment of the mesh enclosure of the present invention will now be described in detail with reference to fig. 1 to 4 to make the present invention more clear, which is not intended to limit the present invention.
The utility model provides a novel mesh enclosure structure of an air inlet and an air outlet, wherein a hole is formed in the central area, a structural component protrudes from the bottom of the enclosure body, and the length of the structural component is set according to the rotating distance required by the enclosure from complete closing to complete opening; when the stepping motor works, the small gear at the tail end of the rotating shaft rotates, and the large gear component matched with the small gear rotates along with the small gear.
Specifically, in the mesh enclosure of the present invention, a proximity sensor (for example, implemented by an infrared emitting and receiving diode) is respectively disposed at an unobstructed position near the surfaces of the air inlet and the air outlet, the proximity sensor receives an infrared signal emitted by itself to indicate that a person approaches, the main control IC receives a detection signal (to distinguish whether the person approaches the front mesh enclosure or the rear mesh enclosure), the main motor driving the fan blades is directly reduced to the lowest rotation speed, and synchronously outputs a working signal of the stepping motor, the stepping motor driving the mesh enclosure to close is turned on to operate, the end of the rotor of the stepping motor is provided with a pinion (i.e., a first gear), the pinion is paired with the adjustable mesh enclosure assembly through a large gear mechanism (i.e., a second gear) (as shown in fig. 1 and 4), and then the novel mesh enclosure grid is assembled on the large gear rotating component through a movable air guiding plate, the movable grid plates are all fixed to be perpendicular to the horizontal plane (namely 90 degrees) during initial assembly, and the large gear component is matched with the position of the movable grid plate with the maximum limit during closing, so that the whole air outlet and the whole air inlet are in a closed state after the assembly is finished, and other states are avoided; when the electric vehicle is used every time, after power is supplied, the stepping motor works first, the movable grid pieces are automatically and completely opened, and then the main motor works.
An L-shaped connecting shaft at one end of the movable grating sheet is assembled with a notch similar to a U-shaped groove on the large gear component, and the notch is used as a motion path space of a shaft lever on the movable grating sheet; the design of the space (the groove width and the groove height) is determined according to the length, the rotation angle and the distance of the connecting shaft of the movable grating sheet, and the space can be flexibly designed according to the shape of the mesh enclosure.
In a specific embodiment, in the mesh enclosure structure of the present invention, each movable grid plate in the enclosure is assembled to form the mesh enclosure main body of the present invention, a stepping motor is arranged in the center, a limiting positioning column rotating left and right limits the rotation of the stepping motor in a specific area, and a screw column is arranged in the center for fixing components; a pinion is assembled at the tail end of a rotating shaft of the stepping motor and is nested in a gear part with a half-circle bull gear on an inner ring; the outer edge of the large gear is provided with a circle of vertical U-shaped clamping grooves, the movable grid pieces are assembled and fixed through the semicircular clamping grooves arranged on the outer edge, one end of each movable grid piece is provided with an L-shaped connecting rod, and the L-shaped connecting rods are clamped into the U-shaped clamping grooves of the gear parts, so that the large gear is connected with the movable grid pieces. For example, the main body of the movable grid plate is shaped like a trapezoidal plate of a paddle; the farthest end of the cover body extends out of a small circle body and is used for being clamped in the semicircular clamping groove on the cover body so as to be stably arranged in the clamping groove; the other end is assembled with the large gear structural component and is an L-shaped connecting rod, and the L-shaped connecting rod is assembled on the U-shaped clamping groove on the large gear component.
According to the field condition detected by the sensor, the movable grating pieces are assembled with the gear on the rotating shaft of the stepping motor through the gear assembly, the stepping motor drives the movable grating pieces, the forward rotation and the reverse rotation of the stepping motor are realized through different output signals of the controller, and the opening and the closing of the grating pieces can be realized.
Specifically, whether the movable grid pieces are completely opened or not is directly related to the control of the stepping motor, the opening and closing of the grid can be ensured to be just in place by utilizing the left and right limiting structures, the controller sends out a driving signal when the stepping motor works, and the number of working parts of the motor can be set according to the number of steps needed to be taken from the complete closing to the complete opening; after the driving work of the stepping motor part is finished, a driving signal is output to the main motor through the controller, and the main motor is started to work; the connection relationship between the components is as follows: the movable grid plates are rotated by a stepping motor through a gear part, the stepping motor is connected with the controller through an inter-plate connecting wire, the main motor is also connected with the controller through the inter-plate connecting wire, and the two motors work by outputting a driving signal through an MCU on the controller.
The utility model monitors the approach of a user to the circulating fan by assembling a close-range proximity sensor (such as an infrared transmitting and receiving device) on the circulating fan, and when personnel approach an air inlet and an air outlet, the new air inlet and outlet mesh enclosure structure is closed, so that the injury of people, especially children, caused by the curiosity and carelessness that a handle is inserted into or clamped on the mesh enclosure is avoided.
In addition, the mesh enclosure of the utility model can also ensure that the obstruction force is reduced compared with the existing mesh enclosure in normal use, thereby having larger air inlet and outlet volume, reducing power under the same use effect, and saving more energy and electricity.
The mesh enclosure having some or all of the above features has the following effects: scene recognition is carried out, so that the use safety is ensured, and especially potential safety hazards caused by children are avoided; show improvement user's experience and feel, compare with current screen panel structure, possess more outstanding air inlet and air output, wholly reduce the power consumption, more save money.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A mesh enclosure, characterized in that, mesh enclosure includes:
a hollow cover body;
a plurality of moving grid segments spaced within the housing; and
a proximity sensor disposed within the housing and emitting a closing signal that closes the moving grid segments when an object is detected to be close to the housing and emitting an opening signal that opens the moving grid segments when the object is detected to be far from the housing.
2. The mesh enclosure of claim 1, further comprising: a first motor interfacing with the proximity sensor and the moving grid plate, wherein the proximity sensor sends a close signal or an open signal to the first motor to cause the first motor to drive the moving grid plate to close or open.
3. The mesh enclosure of claim 2, further comprising a first gear mounted to a distal end of a shaft of the first motor, the first gear being engaged with each of the moving grid segments.
4. The mesh enclosure of claim 3, further comprising a second gear, wherein the first gear is connected to each of the moving grid segments through the second gear.
5. The mesh enclosure of claim 4, wherein the inner teeth of the second gear are engaged with the outer teeth of the first gear, and the outer edge of the second gear is protruded with a plurality of protrusions corresponding to the moving grid plates, the protrusions being engaged with the moving grid plates to close or open the moving grid plates by the rotation of the second gear.
6. The mesh enclosure of claim 5, wherein a slot for engaging with the floating grid plate is disposed between two adjacent protrusions.
7. The mesh enclosure of claim 6, wherein an L-shaped link protrudes from an end of the movable grid piece adjacent to the slot, and the L-shaped link is engaged with the slot.
8. The mesh enclosure of claim 2, further comprising: and the limiting structure is used for limiting the first motor to rotate in a preset area.
9. A fan, characterized in that the fan comprises the mesh enclosure according to any one of claims 1 to 8.
10. The fan as claimed in claim 9, further comprising: the fan blade and drive fan blade pivoted main motor, the proximity sensor of screen panel with main motor meets, wherein, when the proximity sensor launches the close signal that makes the activity grid piece of screen panel closes, the rotational speed of main motor reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599620.3U CN215595949U (en) | 2021-07-14 | 2021-07-14 | Net cover and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599620.3U CN215595949U (en) | 2021-07-14 | 2021-07-14 | Net cover and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215595949U true CN215595949U (en) | 2022-01-21 |
Family
ID=79878647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121599620.3U Active CN215595949U (en) | 2021-07-14 | 2021-07-14 | Net cover and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215595949U (en) |
-
2021
- 2021-07-14 CN CN202121599620.3U patent/CN215595949U/en active Active
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